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1  <?php  <?php
2  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
3  //filenames_pics_canonize.php, v0.1a, Copyright David T. Ashley, 2016  //filenames_pics_canonize.php, v0.1a, Copyright David T. Ashley, 2016
4  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
5  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
6  //Copyright 2016 David T. Ashley  //Copyright 2016 David T. Ashley
7  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
8  //This source code and any program in which it is compiled/used is provided under the GNU GENERAL  //This source code and any program in which it is compiled/used is provided under the GNU GENERAL
9  //PUBLIC LICENSE, Version 3, full license text below.  //PUBLIC LICENSE, Version 3, full license text below.
10  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
11  //                    GNU GENERAL PUBLIC LICENSE  //                    GNU GENERAL PUBLIC LICENSE
12  //                       Version 3, 29 June 2007  //                       Version 3, 29 June 2007
13  //  //
14  // Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>  // Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
15  // Everyone is permitted to copy and distribute verbatim copies  // Everyone is permitted to copy and distribute verbatim copies
16  // of this license document, but changing it is not allowed.  // of this license document, but changing it is not allowed.
17  //  //
18  //                            Preamble  //                            Preamble
19  //  //
20  //  The GNU General Public License is a free, copyleft license for  //  The GNU General Public License is a free, copyleft license for
21  //software and other kinds of works.  //software and other kinds of works.
22  //  //
23  //  The licenses for most software and other practical works are designed  //  The licenses for most software and other practical works are designed
24  //to take away your freedom to share and change the works.  By contrast,  //to take away your freedom to share and change the works.  By contrast,
25  //the GNU General Public License is intended to guarantee your freedom to  //the GNU General Public License is intended to guarantee your freedom to
26  //share and change all versions of a program--to make sure it remains free  //share and change all versions of a program--to make sure it remains free
27  //software for all its users.  We, the Free Software Foundation, use the  //software for all its users.  We, the Free Software Foundation, use the
28  //GNU General Public License for most of our software; it applies also to  //GNU General Public License for most of our software; it applies also to
29  //any other work released this way by its authors.  You can apply it to  //any other work released this way by its authors.  You can apply it to
30  //your programs, too.  //your programs, too.
31  //  //
32  //  When we speak of free software, we are referring to freedom, not  //  When we speak of free software, we are referring to freedom, not
33  //price.  Our General Public Licenses are designed to make sure that you  //price.  Our General Public Licenses are designed to make sure that you
34  //have the freedom to distribute copies of free software (and charge for  //have the freedom to distribute copies of free software (and charge for
35  //them if you wish), that you receive source code or can get it if you  //them if you wish), that you receive source code or can get it if you
36  //want it, that you can change the software or use pieces of it in new  //want it, that you can change the software or use pieces of it in new
37  //free programs, and that you know you can do these things.  //free programs, and that you know you can do these things.
38  //  //
39  //  To protect your rights, we need to prevent others from denying you  //  To protect your rights, we need to prevent others from denying you
40  //these rights or asking you to surrender the rights.  Therefore, you have  //these rights or asking you to surrender the rights.  Therefore, you have
41  //certain responsibilities if you distribute copies of the software, or if  //certain responsibilities if you distribute copies of the software, or if
42  //you modify it: responsibilities to respect the freedom of others.  //you modify it: responsibilities to respect the freedom of others.
43  //  //
44  //  For example, if you distribute copies of such a program, whether  //  For example, if you distribute copies of such a program, whether
45  //gratis or for a fee, you must pass on to the recipients the same  //gratis or for a fee, you must pass on to the recipients the same
46  //freedoms that you received.  You must make sure that they, too, receive  //freedoms that you received.  You must make sure that they, too, receive
47  //or can get the source code.  And you must show them these terms so they  //or can get the source code.  And you must show them these terms so they
48  //know their rights.  //know their rights.
49  //  //
50  //  Developers that use the GNU GPL protect your rights with two steps:  //  Developers that use the GNU GPL protect your rights with two steps:
51  //(1) assert copyright on the software, and (2) offer you this License  //(1) assert copyright on the software, and (2) offer you this License
52  //giving you legal permission to copy, distribute and/or modify it.  //giving you legal permission to copy, distribute and/or modify it.
53  //  //
54  //  For the developers' and authors' protection, the GPL clearly explains  //  For the developers' and authors' protection, the GPL clearly explains
55  //that there is no warranty for this free software.  For both users' and  //that there is no warranty for this free software.  For both users' and
56  //authors' sake, the GPL requires that modified versions be marked as  //authors' sake, the GPL requires that modified versions be marked as
57  //changed, so that their problems will not be attributed erroneously to  //changed, so that their problems will not be attributed erroneously to
58  //authors of previous versions.  //authors of previous versions.
59  //  //
60  //  Some devices are designed to deny users access to install or run  //  Some devices are designed to deny users access to install or run
61  //modified versions of the software inside them, although the manufacturer  //modified versions of the software inside them, although the manufacturer
62  //can do so.  This is fundamentally incompatible with the aim of  //can do so.  This is fundamentally incompatible with the aim of
63  //protecting users' freedom to change the software.  The systematic  //protecting users' freedom to change the software.  The systematic
64  //pattern of such abuse occurs in the area of products for individuals to  //pattern of such abuse occurs in the area of products for individuals to
65  //use, which is precisely where it is most unacceptable.  Therefore, we  //use, which is precisely where it is most unacceptable.  Therefore, we
66  //have designed this version of the GPL to prohibit the practice for those  //have designed this version of the GPL to prohibit the practice for those
67  //products.  If such problems arise substantially in other domains, we  //products.  If such problems arise substantially in other domains, we
68  //stand ready to extend this provision to those domains in future versions  //stand ready to extend this provision to those domains in future versions
69  //of the GPL, as needed to protect the freedom of users.  //of the GPL, as needed to protect the freedom of users.
70  //  //
71  //  Finally, every program is threatened constantly by software patents.  //  Finally, every program is threatened constantly by software patents.
72  //States should not allow patents to restrict development and use of  //States should not allow patents to restrict development and use of
73  //software on general-purpose computers, but in those that do, we wish to  //software on general-purpose computers, but in those that do, we wish to
74  //avoid the special danger that patents applied to a free program could  //avoid the special danger that patents applied to a free program could
75  //make it effectively proprietary.  To prevent this, the GPL assures that  //make it effectively proprietary.  To prevent this, the GPL assures that
76  //patents cannot be used to render the program non-free.  //patents cannot be used to render the program non-free.
77  //  //
78  //  The precise terms and conditions for copying, distribution and  //  The precise terms and conditions for copying, distribution and
79  //modification follow.  //modification follow.
80  //  //
81  //                       TERMS AND CONDITIONS  //                       TERMS AND CONDITIONS
82  //  //
83  //  0. Definitions.  //  0. Definitions.
84  //  //
85  //  "This License" refers to version 3 of the GNU General Public License.  //  "This License" refers to version 3 of the GNU General Public License.
86  //  //
87  //  "Copyright" also means copyright-like laws that apply to other kinds of  //  "Copyright" also means copyright-like laws that apply to other kinds of
88  //works, such as semiconductor masks.  //works, such as semiconductor masks.
89  //  //
90  //  "The Program" refers to any copyrightable work licensed under this  //  "The Program" refers to any copyrightable work licensed under this
91  //License.  Each licensee is addressed as "you".  "Licensees" and  //License.  Each licensee is addressed as "you".  "Licensees" and
92  //"recipients" may be individuals or organizations.  //"recipients" may be individuals or organizations.
93  //  //
94  //  To "modify" a work means to copy from or adapt all or part of the work  //  To "modify" a work means to copy from or adapt all or part of the work
95  //in a fashion requiring copyright permission, other than the making of an  //in a fashion requiring copyright permission, other than the making of an
96  //exact copy.  The resulting work is called a "modified version" of the  //exact copy.  The resulting work is called a "modified version" of the
97  //earlier work or a work "based on" the earlier work.  //earlier work or a work "based on" the earlier work.
98  //  //
99  //  A "covered work" means either the unmodified Program or a work based  //  A "covered work" means either the unmodified Program or a work based
100  //on the Program.  //on the Program.
101  //  //
102  //  To "propagate" a work means to do anything with it that, without  //  To "propagate" a work means to do anything with it that, without
103  //permission, would make you directly or secondarily liable for  //permission, would make you directly or secondarily liable for
104  //infringement under applicable copyright law, except executing it on a  //infringement under applicable copyright law, except executing it on a
105  //computer or modifying a private copy.  Propagation includes copying,  //computer or modifying a private copy.  Propagation includes copying,
106  //distribution (with or without modification), making available to the  //distribution (with or without modification), making available to the
107  //public, and in some countries other activities as well.  //public, and in some countries other activities as well.
108  //  //
109  //  To "convey" a work means any kind of propagation that enables other  //  To "convey" a work means any kind of propagation that enables other
110  //parties to make or receive copies.  Mere interaction with a user through  //parties to make or receive copies.  Mere interaction with a user through
111  //a computer network, with no transfer of a copy, is not conveying.  //a computer network, with no transfer of a copy, is not conveying.
112  //  //
113  //  An interactive user interface displays "Appropriate Legal Notices"  //  An interactive user interface displays "Appropriate Legal Notices"
114  //to the extent that it includes a convenient and prominently visible  //to the extent that it includes a convenient and prominently visible
115  //feature that (1) displays an appropriate copyright notice, and (2)  //feature that (1) displays an appropriate copyright notice, and (2)
116  //tells the user that there is no warranty for the work (except to the  //tells the user that there is no warranty for the work (except to the
117  //extent that warranties are provided), that licensees may convey the  //extent that warranties are provided), that licensees may convey the
118  //work under this License, and how to view a copy of this License.  If  //work under this License, and how to view a copy of this License.  If
119  //the interface presents a list of user commands or options, such as a  //the interface presents a list of user commands or options, such as a
120  //menu, a prominent item in the list meets this criterion.  //menu, a prominent item in the list meets this criterion.
121  //  //
122  //  1. Source Code.  //  1. Source Code.
123  //  //
124  //  The "source code" for a work means the preferred form of the work  //  The "source code" for a work means the preferred form of the work
125  //for making modifications to it.  "Object code" means any non-source  //for making modifications to it.  "Object code" means any non-source
126  //form of a work.  //form of a work.
127  //  //
128  //  A "Standard Interface" means an interface that either is an official  //  A "Standard Interface" means an interface that either is an official
129  //standard defined by a recognized standards body, or, in the case of  //standard defined by a recognized standards body, or, in the case of
130  //interfaces specified for a particular programming language, one that  //interfaces specified for a particular programming language, one that
131  //is widely used among developers working in that language.  //is widely used among developers working in that language.
132  //  //
133  //  The "System Libraries" of an executable work include anything, other  //  The "System Libraries" of an executable work include anything, other
134  //than the work as a whole, that (a) is included in the normal form of  //than the work as a whole, that (a) is included in the normal form of
135  //packaging a Major Component, but which is not part of that Major  //packaging a Major Component, but which is not part of that Major
136  //Component, and (b) serves only to enable use of the work with that  //Component, and (b) serves only to enable use of the work with that
137  //Major Component, or to implement a Standard Interface for which an  //Major Component, or to implement a Standard Interface for which an
138  //implementation is available to the public in source code form.  A  //implementation is available to the public in source code form.  A
139  //"Major Component", in this context, means a major essential component  //"Major Component", in this context, means a major essential component
140  //(kernel, window system, and so on) of the specific operating system  //(kernel, window system, and so on) of the specific operating system
141  //(if any) on which the executable work runs, or a compiler used to  //(if any) on which the executable work runs, or a compiler used to
142  //produce the work, or an object code interpreter used to run it.  //produce the work, or an object code interpreter used to run it.
143  //  //
144  //  The "Corresponding Source" for a work in object code form means all  //  The "Corresponding Source" for a work in object code form means all
145  //the source code needed to generate, install, and (for an executable  //the source code needed to generate, install, and (for an executable
146  //work) run the object code and to modify the work, including scripts to  //work) run the object code and to modify the work, including scripts to
147  //control those activities.  However, it does not include the work's  //control those activities.  However, it does not include the work's
148  //System Libraries, or general-purpose tools or generally available free  //System Libraries, or general-purpose tools or generally available free
149  //programs which are used unmodified in performing those activities but  //programs which are used unmodified in performing those activities but
150  //which are not part of the work.  For example, Corresponding Source  //which are not part of the work.  For example, Corresponding Source
151  //includes interface definition files associated with source files for  //includes interface definition files associated with source files for
152  //the work, and the source code for shared libraries and dynamically  //the work, and the source code for shared libraries and dynamically
153  //linked subprograms that the work is specifically designed to require,  //linked subprograms that the work is specifically designed to require,
154  //such as by intimate data communication or control flow between those  //such as by intimate data communication or control flow between those
155  //subprograms and other parts of the work.  //subprograms and other parts of the work.
156  //  //
157  //  The Corresponding Source need not include anything that users  //  The Corresponding Source need not include anything that users
158  //can regenerate automatically from other parts of the Corresponding  //can regenerate automatically from other parts of the Corresponding
159  //Source.  //Source.
160  //  //
161  //  The Corresponding Source for a work in source code form is that  //  The Corresponding Source for a work in source code form is that
162  //same work.  //same work.
163  //  //
164  //  2. Basic Permissions.  //  2. Basic Permissions.
165  //  //
166  //  All rights granted under this License are granted for the term of  //  All rights granted under this License are granted for the term of
167  //copyright on the Program, and are irrevocable provided the stated  //copyright on the Program, and are irrevocable provided the stated
168  //conditions are met.  This License explicitly affirms your unlimited  //conditions are met.  This License explicitly affirms your unlimited
169  //permission to run the unmodified Program.  The output from running a  //permission to run the unmodified Program.  The output from running a
170  //covered work is covered by this License only if the output, given its  //covered work is covered by this License only if the output, given its
171  //content, constitutes a covered work.  This License acknowledges your  //content, constitutes a covered work.  This License acknowledges your
172  //rights of fair use or other equivalent, as provided by copyright law.  //rights of fair use or other equivalent, as provided by copyright law.
173  //  //
174  //  You may make, run and propagate covered works that you do not  //  You may make, run and propagate covered works that you do not
175  //convey, without conditions so long as your license otherwise remains  //convey, without conditions so long as your license otherwise remains
176  //in force.  You may convey covered works to others for the sole purpose  //in force.  You may convey covered works to others for the sole purpose
177  //of having them make modifications exclusively for you, or provide you  //of having them make modifications exclusively for you, or provide you
178  //with facilities for running those works, provided that you comply with  //with facilities for running those works, provided that you comply with
179  //the terms of this License in conveying all material for which you do  //the terms of this License in conveying all material for which you do
180  //not control copyright.  Those thus making or running the covered works  //not control copyright.  Those thus making or running the covered works
181  //for you must do so exclusively on your behalf, under your direction  //for you must do so exclusively on your behalf, under your direction
182  //and control, on terms that prohibit them from making any copies of  //and control, on terms that prohibit them from making any copies of
183  //your copyrighted material outside their relationship with you.  //your copyrighted material outside their relationship with you.
184  //  //
185  //  Conveying under any other circumstances is permitted solely under  //  Conveying under any other circumstances is permitted solely under
186  //the conditions stated below.  Sublicensing is not allowed; section 10  //the conditions stated below.  Sublicensing is not allowed; section 10
187  //makes it unnecessary.  //makes it unnecessary.
188  //  //
189  //  3. Protecting Users' Legal Rights From Anti-Circumvention Law.  //  3. Protecting Users' Legal Rights From Anti-Circumvention Law.
190  //  //
191  //  No covered work shall be deemed part of an effective technological  //  No covered work shall be deemed part of an effective technological
192  //measure under any applicable law fulfilling obligations under article  //measure under any applicable law fulfilling obligations under article
193  //11 of the WIPO copyright treaty adopted on 20 December 1996, or  //11 of the WIPO copyright treaty adopted on 20 December 1996, or
194  //similar laws prohibiting or restricting circumvention of such  //similar laws prohibiting or restricting circumvention of such
195  //measures.  //measures.
196  //  //
197  //  When you convey a covered work, you waive any legal power to forbid  //  When you convey a covered work, you waive any legal power to forbid
198  //circumvention of technological measures to the extent such circumvention  //circumvention of technological measures to the extent such circumvention
199  //is effected by exercising rights under this License with respect to  //is effected by exercising rights under this License with respect to
200  //the covered work, and you disclaim any intention to limit operation or  //the covered work, and you disclaim any intention to limit operation or
201  //modification of the work as a means of enforcing, against the work's  //modification of the work as a means of enforcing, against the work's
202  //users, your or third parties' legal rights to forbid circumvention of  //users, your or third parties' legal rights to forbid circumvention of
203  //technological measures.  //technological measures.
204  //  //
205  //  4. Conveying Verbatim Copies.  //  4. Conveying Verbatim Copies.
206  //  //
207  //  You may convey verbatim copies of the Program's source code as you  //  You may convey verbatim copies of the Program's source code as you
208  //receive it, in any medium, provided that you conspicuously and  //receive it, in any medium, provided that you conspicuously and
209  //appropriately publish on each copy an appropriate copyright notice;  //appropriately publish on each copy an appropriate copyright notice;
210  //keep intact all notices stating that this License and any  //keep intact all notices stating that this License and any
211  //non-permissive terms added in accord with section 7 apply to the code;  //non-permissive terms added in accord with section 7 apply to the code;
212  //keep intact all notices of the absence of any warranty; and give all  //keep intact all notices of the absence of any warranty; and give all
213  //recipients a copy of this License along with the Program.  //recipients a copy of this License along with the Program.
214  //  //
215  //  You may charge any price or no price for each copy that you convey,  //  You may charge any price or no price for each copy that you convey,
216  //and you may offer support or warranty protection for a fee.  //and you may offer support or warranty protection for a fee.
217  //  //
218  //  5. Conveying Modified Source Versions.  //  5. Conveying Modified Source Versions.
219  //  //
220  //  You may convey a work based on the Program, or the modifications to  //  You may convey a work based on the Program, or the modifications to
221  //produce it from the Program, in the form of source code under the  //produce it from the Program, in the form of source code under the
222  //terms of section 4, provided that you also meet all of these conditions:  //terms of section 4, provided that you also meet all of these conditions:
223  //  //
224  //    a) The work must carry prominent notices stating that you modified  //    a) The work must carry prominent notices stating that you modified
225  //    it, and giving a relevant date.  //    it, and giving a relevant date.
226  //  //
227  //    b) The work must carry prominent notices stating that it is  //    b) The work must carry prominent notices stating that it is
228  //    released under this License and any conditions added under section  //    released under this License and any conditions added under section
229  //    7.  This requirement modifies the requirement in section 4 to  //    7.  This requirement modifies the requirement in section 4 to
230  //    "keep intact all notices".  //    "keep intact all notices".
231  //  //
232  //    c) You must license the entire work, as a whole, under this  //    c) You must license the entire work, as a whole, under this
233  //    License to anyone who comes into possession of a copy.  This  //    License to anyone who comes into possession of a copy.  This
234  //    License will therefore apply, along with any applicable section 7  //    License will therefore apply, along with any applicable section 7
235  //    additional terms, to the whole of the work, and all its parts,  //    additional terms, to the whole of the work, and all its parts,
236  //    regardless of how they are packaged.  This License gives no  //    regardless of how they are packaged.  This License gives no
237  //    permission to license the work in any other way, but it does not  //    permission to license the work in any other way, but it does not
238  //    invalidate such permission if you have separately received it.  //    invalidate such permission if you have separately received it.
239  //  //
240  //    d) If the work has interactive user interfaces, each must display  //    d) If the work has interactive user interfaces, each must display
241  //    Appropriate Legal Notices; however, if the Program has interactive  //    Appropriate Legal Notices; however, if the Program has interactive
242  //    interfaces that do not display Appropriate Legal Notices, your  //    interfaces that do not display Appropriate Legal Notices, your
243  //    work need not make them do so.  //    work need not make them do so.
244  //  //
245  //  A compilation of a covered work with other separate and independent  //  A compilation of a covered work with other separate and independent
246  //works, which are not by their nature extensions of the covered work,  //works, which are not by their nature extensions of the covered work,
247  //and which are not combined with it such as to form a larger program,  //and which are not combined with it such as to form a larger program,
248  //in or on a volume of a storage or distribution medium, is called an  //in or on a volume of a storage or distribution medium, is called an
249  //"aggregate" if the compilation and its resulting copyright are not  //"aggregate" if the compilation and its resulting copyright are not
250  //used to limit the access or legal rights of the compilation's users  //used to limit the access or legal rights of the compilation's users
251  //beyond what the individual works permit.  Inclusion of a covered work  //beyond what the individual works permit.  Inclusion of a covered work
252  //in an aggregate does not cause this License to apply to the other  //in an aggregate does not cause this License to apply to the other
253  //parts of the aggregate.  //parts of the aggregate.
254  //  //
255  //  6. Conveying Non-Source Forms.  //  6. Conveying Non-Source Forms.
256  //  //
257  //  You may convey a covered work in object code form under the terms  //  You may convey a covered work in object code form under the terms
258  //of sections 4 and 5, provided that you also convey the  //of sections 4 and 5, provided that you also convey the
259  //machine-readable Corresponding Source under the terms of this License,  //machine-readable Corresponding Source under the terms of this License,
260  //in one of these ways:  //in one of these ways:
261  //  //
262  //    a) Convey the object code in, or embodied in, a physical product  //    a) Convey the object code in, or embodied in, a physical product
263  //    (including a physical distribution medium), accompanied by the  //    (including a physical distribution medium), accompanied by the
264  //    Corresponding Source fixed on a durable physical medium  //    Corresponding Source fixed on a durable physical medium
265  //    customarily used for software interchange.  //    customarily used for software interchange.
266  //  //
267  //    b) Convey the object code in, or embodied in, a physical product  //    b) Convey the object code in, or embodied in, a physical product
268  //    (including a physical distribution medium), accompanied by a  //    (including a physical distribution medium), accompanied by a
269  //    written offer, valid for at least three years and valid for as  //    written offer, valid for at least three years and valid for as
270  //    long as you offer spare parts or customer support for that product  //    long as you offer spare parts or customer support for that product
271  //    model, to give anyone who possesses the object code either (1) a  //    model, to give anyone who possesses the object code either (1) a
272  //    copy of the Corresponding Source for all the software in the  //    copy of the Corresponding Source for all the software in the
273  //    product that is covered by this License, on a durable physical  //    product that is covered by this License, on a durable physical
274  //    medium customarily used for software interchange, for a price no  //    medium customarily used for software interchange, for a price no
275  //    more than your reasonable cost of physically performing this  //    more than your reasonable cost of physically performing this
276  //    conveying of source, or (2) access to copy the  //    conveying of source, or (2) access to copy the
277  //    Corresponding Source from a network server at no charge.  //    Corresponding Source from a network server at no charge.
278  //  //
279  //    c) Convey individual copies of the object code with a copy of the  //    c) Convey individual copies of the object code with a copy of the
280  //    written offer to provide the Corresponding Source.  This  //    written offer to provide the Corresponding Source.  This
281  //    alternative is allowed only occasionally and noncommercially, and  //    alternative is allowed only occasionally and noncommercially, and
282  //    only if you received the object code with such an offer, in accord  //    only if you received the object code with such an offer, in accord
283  //    with subsection 6b.  //    with subsection 6b.
284  //  //
285  //    d) Convey the object code by offering access from a designated  //    d) Convey the object code by offering access from a designated
286  //    place (gratis or for a charge), and offer equivalent access to the  //    place (gratis or for a charge), and offer equivalent access to the
287  //    Corresponding Source in the same way through the same place at no  //    Corresponding Source in the same way through the same place at no
288  //    further charge.  You need not require recipients to copy the  //    further charge.  You need not require recipients to copy the
289  //    Corresponding Source along with the object code.  If the place to  //    Corresponding Source along with the object code.  If the place to
290  //    copy the object code is a network server, the Corresponding Source  //    copy the object code is a network server, the Corresponding Source
291  //    may be on a different server (operated by you or a third party)  //    may be on a different server (operated by you or a third party)
292  //    that supports equivalent copying facilities, provided you maintain  //    that supports equivalent copying facilities, provided you maintain
293  //    clear directions next to the object code saying where to find the  //    clear directions next to the object code saying where to find the
294  //    Corresponding Source.  Regardless of what server hosts the  //    Corresponding Source.  Regardless of what server hosts the
295  //    Corresponding Source, you remain obligated to ensure that it is  //    Corresponding Source, you remain obligated to ensure that it is
296  //    available for as long as needed to satisfy these requirements.  //    available for as long as needed to satisfy these requirements.
297  //  //
298  //    e) Convey the object code using peer-to-peer transmission, provided  //    e) Convey the object code using peer-to-peer transmission, provided
299  //    you inform other peers where the object code and Corresponding  //    you inform other peers where the object code and Corresponding
300  //    Source of the work are being offered to the general public at no  //    Source of the work are being offered to the general public at no
301  //    charge under subsection 6d.  //    charge under subsection 6d.
302  //  //
303  //  A separable portion of the object code, whose source code is excluded  //  A separable portion of the object code, whose source code is excluded
304  //from the Corresponding Source as a System Library, need not be  //from the Corresponding Source as a System Library, need not be
305  //included in conveying the object code work.  //included in conveying the object code work.
306  //  //
307  //  A "User Product" is either (1) a "consumer product", which means any  //  A "User Product" is either (1) a "consumer product", which means any
308  //tangible personal property which is normally used for personal, family,  //tangible personal property which is normally used for personal, family,
309  //or household purposes, or (2) anything designed or sold for incorporation  //or household purposes, or (2) anything designed or sold for incorporation
310  //into a dwelling.  In determining whether a product is a consumer product,  //into a dwelling.  In determining whether a product is a consumer product,
311  //doubtful cases shall be resolved in favor of coverage.  For a particular  //doubtful cases shall be resolved in favor of coverage.  For a particular
312  //product received by a particular user, "normally used" refers to a  //product received by a particular user, "normally used" refers to a
313  //typical or common use of that class of product, regardless of the status  //typical or common use of that class of product, regardless of the status
314  //of the particular user or of the way in which the particular user  //of the particular user or of the way in which the particular user
315  //actually uses, or expects or is expected to use, the product.  A product  //actually uses, or expects or is expected to use, the product.  A product
316  //is a consumer product regardless of whether the product has substantial  //is a consumer product regardless of whether the product has substantial
317  //commercial, industrial or non-consumer uses, unless such uses represent  //commercial, industrial or non-consumer uses, unless such uses represent
318  //the only significant mode of use of the product.  //the only significant mode of use of the product.
319  //  //
320  //  "Installation Information" for a User Product means any methods,  //  "Installation Information" for a User Product means any methods,
321  //procedures, authorization keys, or other information required to install  //procedures, authorization keys, or other information required to install
322  //and execute modified versions of a covered work in that User Product from  //and execute modified versions of a covered work in that User Product from
323  //a modified version of its Corresponding Source.  The information must  //a modified version of its Corresponding Source.  The information must
324  //suffice to ensure that the continued functioning of the modified object  //suffice to ensure that the continued functioning of the modified object
325  //code is in no case prevented or interfered with solely because  //code is in no case prevented or interfered with solely because
326  //modification has been made.  //modification has been made.
327  //  //
328  //  If you convey an object code work under this section in, or with, or  //  If you convey an object code work under this section in, or with, or
329  //specifically for use in, a User Product, and the conveying occurs as  //specifically for use in, a User Product, and the conveying occurs as
330  //part of a transaction in which the right of possession and use of the  //part of a transaction in which the right of possession and use of the
331  //User Product is transferred to the recipient in perpetuity or for a  //User Product is transferred to the recipient in perpetuity or for a
332  //fixed term (regardless of how the transaction is characterized), the  //fixed term (regardless of how the transaction is characterized), the
333  //Corresponding Source conveyed under this section must be accompanied  //Corresponding Source conveyed under this section must be accompanied
334  //by the Installation Information.  But this requirement does not apply  //by the Installation Information.  But this requirement does not apply
335  //if neither you nor any third party retains the ability to install  //if neither you nor any third party retains the ability to install
336  //modified object code on the User Product (for example, the work has  //modified object code on the User Product (for example, the work has
337  //been installed in ROM).  //been installed in ROM).
338  //  //
339  //  The requirement to provide Installation Information does not include a  //  The requirement to provide Installation Information does not include a
340  //requirement to continue to provide support service, warranty, or updates  //requirement to continue to provide support service, warranty, or updates
341  //for a work that has been modified or installed by the recipient, or for  //for a work that has been modified or installed by the recipient, or for
342  //the User Product in which it has been modified or installed.  Access to a  //the User Product in which it has been modified or installed.  Access to a
343  //network may be denied when the modification itself materially and  //network may be denied when the modification itself materially and
344  //adversely affects the operation of the network or violates the rules and  //adversely affects the operation of the network or violates the rules and
345  //protocols for communication across the network.  //protocols for communication across the network.
346  //  //
347  //  Corresponding Source conveyed, and Installation Information provided,  //  Corresponding Source conveyed, and Installation Information provided,
348  //in accord with this section must be in a format that is publicly  //in accord with this section must be in a format that is publicly
349  //documented (and with an implementation available to the public in  //documented (and with an implementation available to the public in
350  //source code form), and must require no special password or key for  //source code form), and must require no special password or key for
351  //unpacking, reading or copying.  //unpacking, reading or copying.
352  //  //
353  //  7. Additional Terms.  //  7. Additional Terms.
354  //  //
355  //  "Additional permissions" are terms that supplement the terms of this  //  "Additional permissions" are terms that supplement the terms of this
356  //License by making exceptions from one or more of its conditions.  //License by making exceptions from one or more of its conditions.
357  //Additional permissions that are applicable to the entire Program shall  //Additional permissions that are applicable to the entire Program shall
358  //be treated as though they were included in this License, to the extent  //be treated as though they were included in this License, to the extent
359  //that they are valid under applicable law.  If additional permissions  //that they are valid under applicable law.  If additional permissions
360  //apply only to part of the Program, that part may be used separately  //apply only to part of the Program, that part may be used separately
361  //under those permissions, but the entire Program remains governed by  //under those permissions, but the entire Program remains governed by
362  //this License without regard to the additional permissions.  //this License without regard to the additional permissions.
363  //  //
364  //  When you convey a copy of a covered work, you may at your option  //  When you convey a copy of a covered work, you may at your option
365  //remove any additional permissions from that copy, or from any part of  //remove any additional permissions from that copy, or from any part of
366  //it.  (Additional permissions may be written to require their own  //it.  (Additional permissions may be written to require their own
367  //removal in certain cases when you modify the work.)  You may place  //removal in certain cases when you modify the work.)  You may place
368  //additional permissions on material, added by you to a covered work,  //additional permissions on material, added by you to a covered work,
369  //for which you have or can give appropriate copyright permission.  //for which you have or can give appropriate copyright permission.
370  //  //
371  //  Notwithstanding any other provision of this License, for material you  //  Notwithstanding any other provision of this License, for material you
372  //add to a covered work, you may (if authorized by the copyright holders of  //add to a covered work, you may (if authorized by the copyright holders of
373  //that material) supplement the terms of this License with terms:  //that material) supplement the terms of this License with terms:
374  //  //
375  //    a) Disclaiming warranty or limiting liability differently from the  //    a) Disclaiming warranty or limiting liability differently from the
376  //    terms of sections 15 and 16 of this License; or  //    terms of sections 15 and 16 of this License; or
377  //  //
378  //    b) Requiring preservation of specified reasonable legal notices or  //    b) Requiring preservation of specified reasonable legal notices or
379  //    author attributions in that material or in the Appropriate Legal  //    author attributions in that material or in the Appropriate Legal
380  //    Notices displayed by works containing it; or  //    Notices displayed by works containing it; or
381  //  //
382  //    c) Prohibiting misrepresentation of the origin of that material, or  //    c) Prohibiting misrepresentation of the origin of that material, or
383  //    requiring that modified versions of such material be marked in  //    requiring that modified versions of such material be marked in
384  //    reasonable ways as different from the original version; or  //    reasonable ways as different from the original version; or
385  //  //
386  //    d) Limiting the use for publicity purposes of names of licensors or  //    d) Limiting the use for publicity purposes of names of licensors or
387  //    authors of the material; or  //    authors of the material; or
388  //  //
389  //    e) Declining to grant rights under trademark law for use of some  //    e) Declining to grant rights under trademark law for use of some
390  //    trade names, trademarks, or service marks; or  //    trade names, trademarks, or service marks; or
391  //  //
392  //    f) Requiring indemnification of licensors and authors of that  //    f) Requiring indemnification of licensors and authors of that
393  //    material by anyone who conveys the material (or modified versions of  //    material by anyone who conveys the material (or modified versions of
394  //    it) with contractual assumptions of liability to the recipient, for  //    it) with contractual assumptions of liability to the recipient, for
395  //    any liability that these contractual assumptions directly impose on  //    any liability that these contractual assumptions directly impose on
396  //    those licensors and authors.  //    those licensors and authors.
397  //  //
398  //  All other non-permissive additional terms are considered "further  //  All other non-permissive additional terms are considered "further
399  //restrictions" within the meaning of section 10.  If the Program as you  //restrictions" within the meaning of section 10.  If the Program as you
400  //received it, or any part of it, contains a notice stating that it is  //received it, or any part of it, contains a notice stating that it is
401  //governed by this License along with a term that is a further  //governed by this License along with a term that is a further
402  //restriction, you may remove that term.  If a license document contains  //restriction, you may remove that term.  If a license document contains
403  //a further restriction but permits relicensing or conveying under this  //a further restriction but permits relicensing or conveying under this
404  //License, you may add to a covered work material governed by the terms  //License, you may add to a covered work material governed by the terms
405  //of that license document, provided that the further restriction does  //of that license document, provided that the further restriction does
406  //not survive such relicensing or conveying.  //not survive such relicensing or conveying.
407  //  //
408  //  If you add terms to a covered work in accord with this section, you  //  If you add terms to a covered work in accord with this section, you
409  //must place, in the relevant source files, a statement of the  //must place, in the relevant source files, a statement of the
410  //additional terms that apply to those files, or a notice indicating  //additional terms that apply to those files, or a notice indicating
411  //where to find the applicable terms.  //where to find the applicable terms.
412  //  //
413  //  Additional terms, permissive or non-permissive, may be stated in the  //  Additional terms, permissive or non-permissive, may be stated in the
414  //form of a separately written license, or stated as exceptions;  //form of a separately written license, or stated as exceptions;
415  //the above requirements apply either way.  //the above requirements apply either way.
416  //  //
417  //  8. Termination.  //  8. Termination.
418  //  //
419  //  You may not propagate or modify a covered work except as expressly  //  You may not propagate or modify a covered work except as expressly
420  //provided under this License.  Any attempt otherwise to propagate or  //provided under this License.  Any attempt otherwise to propagate or
421  //modify it is void, and will automatically terminate your rights under  //modify it is void, and will automatically terminate your rights under
422  //this License (including any patent licenses granted under the third  //this License (including any patent licenses granted under the third
423  //paragraph of section 11).  //paragraph of section 11).
424  //  //
425  //  However, if you cease all violation of this License, then your  //  However, if you cease all violation of this License, then your
426  //license from a particular copyright holder is reinstated (a)  //license from a particular copyright holder is reinstated (a)
427  //provisionally, unless and until the copyright holder explicitly and  //provisionally, unless and until the copyright holder explicitly and
428  //finally terminates your license, and (b) permanently, if the copyright  //finally terminates your license, and (b) permanently, if the copyright
429  //holder fails to notify you of the violation by some reasonable means  //holder fails to notify you of the violation by some reasonable means
430  //prior to 60 days after the cessation.  //prior to 60 days after the cessation.
431  //  //
432  //  Moreover, your license from a particular copyright holder is  //  Moreover, your license from a particular copyright holder is
433  //reinstated permanently if the copyright holder notifies you of the  //reinstated permanently if the copyright holder notifies you of the
434  //violation by some reasonable means, this is the first time you have  //violation by some reasonable means, this is the first time you have
435  //received notice of violation of this License (for any work) from that  //received notice of violation of this License (for any work) from that
436  //copyright holder, and you cure the violation prior to 30 days after  //copyright holder, and you cure the violation prior to 30 days after
437  //your receipt of the notice.  //your receipt of the notice.
438  //  //
439  //  Termination of your rights under this section does not terminate the  //  Termination of your rights under this section does not terminate the
440  //licenses of parties who have received copies or rights from you under  //licenses of parties who have received copies or rights from you under
441  //this License.  If your rights have been terminated and not permanently  //this License.  If your rights have been terminated and not permanently
442  //reinstated, you do not qualify to receive new licenses for the same  //reinstated, you do not qualify to receive new licenses for the same
443  //material under section 10.  //material under section 10.
444  //  //
445  //  9. Acceptance Not Required for Having Copies.  //  9. Acceptance Not Required for Having Copies.
446  //  //
447  //  You are not required to accept this License in order to receive or  //  You are not required to accept this License in order to receive or
448  //run a copy of the Program.  Ancillary propagation of a covered work  //run a copy of the Program.  Ancillary propagation of a covered work
449  //occurring solely as a consequence of using peer-to-peer transmission  //occurring solely as a consequence of using peer-to-peer transmission
450  //to receive a copy likewise does not require acceptance.  However,  //to receive a copy likewise does not require acceptance.  However,
451  //nothing other than this License grants you permission to propagate or  //nothing other than this License grants you permission to propagate or
452  //modify any covered work.  These actions infringe copyright if you do  //modify any covered work.  These actions infringe copyright if you do
453  //not accept this License.  Therefore, by modifying or propagating a  //not accept this License.  Therefore, by modifying or propagating a
454  //covered work, you indicate your acceptance of this License to do so.  //covered work, you indicate your acceptance of this License to do so.
455  //  //
456  //  10. Automatic Licensing of Downstream Recipients.  //  10. Automatic Licensing of Downstream Recipients.
457  //  //
458  //  Each time you convey a covered work, the recipient automatically  //  Each time you convey a covered work, the recipient automatically
459  //receives a license from the original licensors, to run, modify and  //receives a license from the original licensors, to run, modify and
460  //propagate that work, subject to this License.  You are not responsible  //propagate that work, subject to this License.  You are not responsible
461  //for enforcing compliance by third parties with this License.  //for enforcing compliance by third parties with this License.
462  //  //
463  //  An "entity transaction" is a transaction transferring control of an  //  An "entity transaction" is a transaction transferring control of an
464  //organization, or substantially all assets of one, or subdividing an  //organization, or substantially all assets of one, or subdividing an
465  //organization, or merging organizations.  If propagation of a covered  //organization, or merging organizations.  If propagation of a covered
466  //work results from an entity transaction, each party to that  //work results from an entity transaction, each party to that
467  //transaction who receives a copy of the work also receives whatever  //transaction who receives a copy of the work also receives whatever
468  //licenses to the work the party's predecessor in interest had or could  //licenses to the work the party's predecessor in interest had or could
469  //give under the previous paragraph, plus a right to possession of the  //give under the previous paragraph, plus a right to possession of the
470  //Corresponding Source of the work from the predecessor in interest, if  //Corresponding Source of the work from the predecessor in interest, if
471  //the predecessor has it or can get it with reasonable efforts.  //the predecessor has it or can get it with reasonable efforts.
472  //  //
473  //  You may not impose any further restrictions on the exercise of the  //  You may not impose any further restrictions on the exercise of the
474  //rights granted or affirmed under this License.  For example, you may  //rights granted or affirmed under this License.  For example, you may
475  //not impose a license fee, royalty, or other charge for exercise of  //not impose a license fee, royalty, or other charge for exercise of
476  //rights granted under this License, and you may not initiate litigation  //rights granted under this License, and you may not initiate litigation
477  //(including a cross-claim or counterclaim in a lawsuit) alleging that  //(including a cross-claim or counterclaim in a lawsuit) alleging that
478  //any patent claim is infringed by making, using, selling, offering for  //any patent claim is infringed by making, using, selling, offering for
479  //sale, or importing the Program or any portion of it.  //sale, or importing the Program or any portion of it.
480  //  //
481  //  11. Patents.  //  11. Patents.
482  //  //
483  //  A "contributor" is a copyright holder who authorizes use under this  //  A "contributor" is a copyright holder who authorizes use under this
484  //License of the Program or a work on which the Program is based.  The  //License of the Program or a work on which the Program is based.  The
485  //work thus licensed is called the contributor's "contributor version".  //work thus licensed is called the contributor's "contributor version".
486  //  //
487  //  A contributor's "essential patent claims" are all patent claims  //  A contributor's "essential patent claims" are all patent claims
488  //owned or controlled by the contributor, whether already acquired or  //owned or controlled by the contributor, whether already acquired or
489  //hereafter acquired, that would be infringed by some manner, permitted  //hereafter acquired, that would be infringed by some manner, permitted
490  //by this License, of making, using, or selling its contributor version,  //by this License, of making, using, or selling its contributor version,
491  //but do not include claims that would be infringed only as a  //but do not include claims that would be infringed only as a
492  //consequence of further modification of the contributor version.  For  //consequence of further modification of the contributor version.  For
493  //purposes of this definition, "control" includes the right to grant  //purposes of this definition, "control" includes the right to grant
494  //patent sublicenses in a manner consistent with the requirements of  //patent sublicenses in a manner consistent with the requirements of
495  //this License.  //this License.
496  //  //
497  //  Each contributor grants you a non-exclusive, worldwide, royalty-free  //  Each contributor grants you a non-exclusive, worldwide, royalty-free
498  //patent license under the contributor's essential patent claims, to  //patent license under the contributor's essential patent claims, to
499  //make, use, sell, offer for sale, import and otherwise run, modify and  //make, use, sell, offer for sale, import and otherwise run, modify and
500  //propagate the contents of its contributor version.  //propagate the contents of its contributor version.
501  //  //
502  //  In the following three paragraphs, a "patent license" is any express  //  In the following three paragraphs, a "patent license" is any express
503  //agreement or commitment, however denominated, not to enforce a patent  //agreement or commitment, however denominated, not to enforce a patent
504  //(such as an express permission to practice a patent or covenant not to  //(such as an express permission to practice a patent or covenant not to
505  //sue for patent infringement).  To "grant" such a patent license to a  //sue for patent infringement).  To "grant" such a patent license to a
506  //party means to make such an agreement or commitment not to enforce a  //party means to make such an agreement or commitment not to enforce a
507  //patent against the party.  //patent against the party.
508  //  //
509  //  If you convey a covered work, knowingly relying on a patent license,  //  If you convey a covered work, knowingly relying on a patent license,
510  //and the Corresponding Source of the work is not available for anyone  //and the Corresponding Source of the work is not available for anyone
511  //to copy, free of charge and under the terms of this License, through a  //to copy, free of charge and under the terms of this License, through a
512  //publicly available network server or other readily accessible means,  //publicly available network server or other readily accessible means,
513  //then you must either (1) cause the Corresponding Source to be so  //then you must either (1) cause the Corresponding Source to be so
514  //available, or (2) arrange to deprive yourself of the benefit of the  //available, or (2) arrange to deprive yourself of the benefit of the
515  //patent license for this particular work, or (3) arrange, in a manner  //patent license for this particular work, or (3) arrange, in a manner
516  //consistent with the requirements of this License, to extend the patent  //consistent with the requirements of this License, to extend the patent
517  //license to downstream recipients.  "Knowingly relying" means you have  //license to downstream recipients.  "Knowingly relying" means you have
518  //actual knowledge that, but for the patent license, your conveying the  //actual knowledge that, but for the patent license, your conveying the
519  //covered work in a country, or your recipient's use of the covered work  //covered work in a country, or your recipient's use of the covered work
520  //in a country, would infringe one or more identifiable patents in that  //in a country, would infringe one or more identifiable patents in that
521  //country that you have reason to believe are valid.  //country that you have reason to believe are valid.
522  //  //
523  //  If, pursuant to or in connection with a single transaction or  //  If, pursuant to or in connection with a single transaction or
524  //arrangement, you convey, or propagate by procuring conveyance of, a  //arrangement, you convey, or propagate by procuring conveyance of, a
525  //covered work, and grant a patent license to some of the parties  //covered work, and grant a patent license to some of the parties
526  //receiving the covered work authorizing them to use, propagate, modify  //receiving the covered work authorizing them to use, propagate, modify
527  //or convey a specific copy of the covered work, then the patent license  //or convey a specific copy of the covered work, then the patent license
528  //you grant is automatically extended to all recipients of the covered  //you grant is automatically extended to all recipients of the covered
529  //work and works based on it.  //work and works based on it.
530  //  //
531  //  A patent license is "discriminatory" if it does not include within  //  A patent license is "discriminatory" if it does not include within
532  //the scope of its coverage, prohibits the exercise of, or is  //the scope of its coverage, prohibits the exercise of, or is
533  //conditioned on the non-exercise of one or more of the rights that are  //conditioned on the non-exercise of one or more of the rights that are
534  //specifically granted under this License.  You may not convey a covered  //specifically granted under this License.  You may not convey a covered
535  //work if you are a party to an arrangement with a third party that is  //work if you are a party to an arrangement with a third party that is
536  //in the business of distributing software, under which you make payment  //in the business of distributing software, under which you make payment
537  //to the third party based on the extent of your activity of conveying  //to the third party based on the extent of your activity of conveying
538  //the work, and under which the third party grants, to any of the  //the work, and under which the third party grants, to any of the
539  //parties who would receive the covered work from you, a discriminatory  //parties who would receive the covered work from you, a discriminatory
540  //patent license (a) in connection with copies of the covered work  //patent license (a) in connection with copies of the covered work
541  //conveyed by you (or copies made from those copies), or (b) primarily  //conveyed by you (or copies made from those copies), or (b) primarily
542  //for and in connection with specific products or compilations that  //for and in connection with specific products or compilations that
543  //contain the covered work, unless you entered into that arrangement,  //contain the covered work, unless you entered into that arrangement,
544  //or that patent license was granted, prior to 28 March 2007.  //or that patent license was granted, prior to 28 March 2007.
545  //  //
546  //  Nothing in this License shall be construed as excluding or limiting  //  Nothing in this License shall be construed as excluding or limiting
547  //any implied license or other defenses to infringement that may  //any implied license or other defenses to infringement that may
548  //otherwise be available to you under applicable patent law.  //otherwise be available to you under applicable patent law.
549  //  //
550  //  12. No Surrender of Others' Freedom.  //  12. No Surrender of Others' Freedom.
551  //  //
552  //  If conditions are imposed on you (whether by court order, agreement or  //  If conditions are imposed on you (whether by court order, agreement or
553  //otherwise) that contradict the conditions of this License, they do not  //otherwise) that contradict the conditions of this License, they do not
554  //excuse you from the conditions of this License.  If you cannot convey a  //excuse you from the conditions of this License.  If you cannot convey a
555  //covered work so as to satisfy simultaneously your obligations under this  //covered work so as to satisfy simultaneously your obligations under this
556  //License and any other pertinent obligations, then as a consequence you may  //License and any other pertinent obligations, then as a consequence you may
557  //not convey it at all.  For example, if you agree to terms that obligate you  //not convey it at all.  For example, if you agree to terms that obligate you
558  //to collect a royalty for further conveying from those to whom you convey  //to collect a royalty for further conveying from those to whom you convey
559  //the Program, the only way you could satisfy both those terms and this  //the Program, the only way you could satisfy both those terms and this
560  //License would be to refrain entirely from conveying the Program.  //License would be to refrain entirely from conveying the Program.
561  //  //
562  //  13. Use with the GNU Affero General Public License.  //  13. Use with the GNU Affero General Public License.
563  //  //
564  //  Notwithstanding any other provision of this License, you have  //  Notwithstanding any other provision of this License, you have
565  //permission to link or combine any covered work with a work licensed  //permission to link or combine any covered work with a work licensed
566  //under version 3 of the GNU Affero General Public License into a single  //under version 3 of the GNU Affero General Public License into a single
567  //combined work, and to convey the resulting work.  The terms of this  //combined work, and to convey the resulting work.  The terms of this
568  //License will continue to apply to the part which is the covered work,  //License will continue to apply to the part which is the covered work,
569  //but the special requirements of the GNU Affero General Public License,  //but the special requirements of the GNU Affero General Public License,
570  //section 13, concerning interaction through a network will apply to the  //section 13, concerning interaction through a network will apply to the
571  //combination as such.  //combination as such.
572  //  //
573  //  14. Revised Versions of this License.  //  14. Revised Versions of this License.
574  //  //
575  //  The Free Software Foundation may publish revised and/or new versions of  //  The Free Software Foundation may publish revised and/or new versions of
576  //the GNU General Public License from time to time.  Such new versions will  //the GNU General Public License from time to time.  Such new versions will
577  //be similar in spirit to the present version, but may differ in detail to  //be similar in spirit to the present version, but may differ in detail to
578  //address new problems or concerns.  //address new problems or concerns.
579  //  //
580  //  Each version is given a distinguishing version number.  If the  //  Each version is given a distinguishing version number.  If the
581  //Program specifies that a certain numbered version of the GNU General  //Program specifies that a certain numbered version of the GNU General
582  //Public License "or any later version" applies to it, you have the  //Public License "or any later version" applies to it, you have the
583  //option of following the terms and conditions either of that numbered  //option of following the terms and conditions either of that numbered
584  //version or of any later version published by the Free Software  //version or of any later version published by the Free Software
585  //Foundation.  If the Program does not specify a version number of the  //Foundation.  If the Program does not specify a version number of the
586  //GNU General Public License, you may choose any version ever published  //GNU General Public License, you may choose any version ever published
587  //by the Free Software Foundation.  //by the Free Software Foundation.
588  //  //
589  //  If the Program specifies that a proxy can decide which future  //  If the Program specifies that a proxy can decide which future
590  //versions of the GNU General Public License can be used, that proxy's  //versions of the GNU General Public License can be used, that proxy's
591  //public statement of acceptance of a version permanently authorizes you  //public statement of acceptance of a version permanently authorizes you
592  //to choose that version for the Program.  //to choose that version for the Program.
593  //  //
594  //  Later license versions may give you additional or different  //  Later license versions may give you additional or different
595  //permissions.  However, no additional obligations are imposed on any  //permissions.  However, no additional obligations are imposed on any
596  //author or copyright holder as a result of your choosing to follow a  //author or copyright holder as a result of your choosing to follow a
597  //later version.  //later version.
598  //  //
599  //  15. Disclaimer of Warranty.  //  15. Disclaimer of Warranty.
600  //  //
601  //  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY  //  THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
602  //APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT  //APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
603  //HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY  //HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
604  //OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,  //OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
605  //THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  //THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
606  //PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM  //PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
607  //IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF  //IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
608  //ALL NECESSARY SERVICING, REPAIR OR CORRECTION.  //ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
609  //  //
610  //  16. Limitation of Liability.  //  16. Limitation of Liability.
611  //  //
612  //  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING  //  IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
613  //WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS  //WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
614  //THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY  //THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
615  //GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE  //GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
616  //USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF  //USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
617  //DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD  //DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
618  //PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),  //PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
619  //EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF  //EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
620  //SUCH DAMAGES.  //SUCH DAMAGES.
621  //  //
622  //  17. Interpretation of Sections 15 and 16.  //  17. Interpretation of Sections 15 and 16.
623  //  //
624  //  If the disclaimer of warranty and limitation of liability provided  //  If the disclaimer of warranty and limitation of liability provided
625  //above cannot be given local legal effect according to their terms,  //above cannot be given local legal effect according to their terms,
626  //reviewing courts shall apply local law that most closely approximates  //reviewing courts shall apply local law that most closely approximates
627  //an absolute waiver of all civil liability in connection with the  //an absolute waiver of all civil liability in connection with the
628  //Program, unless a warranty or assumption of liability accompanies a  //Program, unless a warranty or assumption of liability accompanies a
629  //copy of the Program in return for a fee.  //copy of the Program in return for a fee.
630  //  //
631  //                     END OF TERMS AND CONDITIONS  //                     END OF TERMS AND CONDITIONS
632  //  //
633  //            How to Apply These Terms to Your New Programs  //            How to Apply These Terms to Your New Programs
634  //  //
635  //  If you develop a new program, and you want it to be of the greatest  //  If you develop a new program, and you want it to be of the greatest
636  //possible use to the public, the best way to achieve this is to make it  //possible use to the public, the best way to achieve this is to make it
637  //free software which everyone can redistribute and change under these terms.  //free software which everyone can redistribute and change under these terms.
638  //  //
639  //  To do so, attach the following notices to the program.  It is safest  //  To do so, attach the following notices to the program.  It is safest
640  //to attach them to the start of each source file to most effectively  //to attach them to the start of each source file to most effectively
641  //state the exclusion of warranty; and each file should have at least  //state the exclusion of warranty; and each file should have at least
642  //the "copyright" line and a pointer to where the full notice is found.  //the "copyright" line and a pointer to where the full notice is found.
643  //  //
644  //    <one line to give the program's name and a brief idea of what it does.>  //    <one line to give the program's name and a brief idea of what it does.>
645  //    Copyright (C) <year>  <name of author>  //    Copyright (C) <year>  <name of author>
646  //  //
647  //    This program is free software: you can redistribute it and/or modify  //    This program is free software: you can redistribute it and/or modify
648  //    it under the terms of the GNU General Public License as published by  //    it under the terms of the GNU General Public License as published by
649  //    the Free Software Foundation, either version 3 of the License, or  //    the Free Software Foundation, either version 3 of the License, or
650  //    (at your option) any later version.  //    (at your option) any later version.
651  //  //
652  //    This program is distributed in the hope that it will be useful,  //    This program is distributed in the hope that it will be useful,
653  //    but WITHOUT ANY WARRANTY; without even the implied warranty of  //    but WITHOUT ANY WARRANTY; without even the implied warranty of
654  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  //    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
655  //    GNU General Public License for more details.  //    GNU General Public License for more details.
656  //  //
657  //    You should have received a copy of the GNU General Public License  //    You should have received a copy of the GNU General Public License
658  //    along with this program.  If not, see <http://www.gnu.org/licenses/>.  //    along with this program.  If not, see <http://www.gnu.org/licenses/>.
659  //  //
660  //Also add information on how to contact you by electronic and paper mail.  //Also add information on how to contact you by electronic and paper mail.
661  //  //
662  //  If the program does terminal interaction, make it output a short  //  If the program does terminal interaction, make it output a short
663  //notice like this when it starts in an interactive mode:  //notice like this when it starts in an interactive mode:
664  //  //
665  //    <program>  Copyright (C) <year>  <name of author>  //    <program>  Copyright (C) <year>  <name of author>
666  //    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.  //    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
667  //    This is free software, and you are welcome to redistribute it  //    This is free software, and you are welcome to redistribute it
668  //    under certain conditions; type `show c' for details.  //    under certain conditions; type `show c' for details.
669  //  //
670  //The hypothetical commands `show w' and `show c' should show the appropriate  //The hypothetical commands `show w' and `show c' should show the appropriate
671  //parts of the General Public License.  Of course, your program's commands  //parts of the General Public License.  Of course, your program's commands
672  //might be different; for a GUI interface, you would use an "about box".  //might be different; for a GUI interface, you would use an "about box".
673  //  //
674  //  You should also get your employer (if you work as a programmer) or school,  //  You should also get your employer (if you work as a programmer) or school,
675  //if any, to sign a "copyright disclaimer" for the program, if necessary.  //if any, to sign a "copyright disclaimer" for the program, if necessary.
676  //For more information on this, and how to apply and follow the GNU GPL, see  //For more information on this, and how to apply and follow the GNU GPL, see
677  //<http://www.gnu.org/licenses/>.  //<http://www.gnu.org/licenses/>.
678  //  //
679  //  The GNU General Public License does not permit incorporating your program  //  The GNU General Public License does not permit incorporating your program
680  //into proprietary programs.  If your program is a subroutine library, you  //into proprietary programs.  If your program is a subroutine library, you
681  //may consider it more useful to permit linking proprietary applications with  //may consider it more useful to permit linking proprietary applications with
682  //the library.  If this is what you want to do, use the GNU Lesser General  //the library.  If this is what you want to do, use the GNU Lesser General
683  //Public License instead of this License.  But first, please read  //Public License instead of this License.  But first, please read
684  //<http://www.gnu.org/philosophy/why-not-lgpl.html>.  //<http://www.gnu.org/philosophy/why-not-lgpl.html>.
685  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
686  //This program, a PHP script, modifies all filenames in a directory to a canonical  //This program, a PHP script, modifies all filenames in a directory to a canonical
687  //form (no upper-case letters or unusual characters).  This program is part of a  //form (no upper-case letters or unusual characters).  This program is part of a
688  //3-program suite designed to collectively create a web page directly from  //3-program suite designed to collectively create a web page directly from
689  //digital camera files (and of course the web page can be customized by  //digital camera files (and of course the web page can be customized by
690  //hand-editing after it is automatically generated).  The supported process for  //hand-editing after it is automatically generated).  The supported process for
691  //creating a web page involves 3 programs (rather than 1) primarily to circumvent  //creating a web page involves 3 programs (rather than 1) primarily to circumvent
692  //the involuntary process termination that will occur in some shared environments  //the involuntary process termination that will occur in some shared environments
693  //if a process consumes too much CPU time.  //if a process consumes too much CPU time.
694  //  //
695  //The 3 programs in the 3-program suite are:  //The 3 programs in the 3-program suite are:
696  //  //
697  //   filenames_canonize.php (this program):  //   filenames_canonize.php (this program):
698  //      Converts all names of files in a directory to lower-case, and makes  //      Converts all names of files in a directory to lower-case, and makes
699  //      substitutions for any unusual characters.  //      substitutions for any unusual characters.
700  //  //
701  //   thumbnails_make.php:  //   thumbnails_make.php:
702  //      Creates thumbnails from recognized image types.  The thumbnails are  //      Creates thumbnails from recognized image types.  The thumbnails are
703  //      named relative to the original image file with the suffix "_small".  //      named relative to the original image file with the suffix "_small".
704  //      Only 20 files are converted on each invocation of the program, to  //      Only 20 files are converted on each invocation of the program, to
705  //      avoid the involuntary process termination that typically occurs in  //      avoid the involuntary process termination that typically occurs in
706  //      a shared hosting environment when a process uses too much CPU time.  //      a shared hosting environment when a process uses too much CPU time.
707  //      The program should be run repeatedly until it indicates that it has  //      The program should be run repeatedly until it indicates that it has
708  //      no more thumbnails to create.  //      no more thumbnails to create.
709  //  //
710  //      If any full-sized photos are modified, any corresponding thumbnails  //      If any full-sized photos are modified, any corresponding thumbnails
711  //      should be deleted and thumbnails_make.php and indexfile_make.php  //      should be deleted and thumbnails_make.php and indexfile_make.php
712  //      should be run again.  //      should be run again.
713  //  //
714  //   indexfile_make.php  //   indexfile_make.php
715  //      Scans a directory and makes an index file ("index2.php") displaying  //      Scans a directory and makes an index file ("index2.php") displaying
716  //      all the thumbnail images, each of which link to the corresponding  //      all the thumbnail images, each of which link to the corresponding
717  //      full-sized image.  The index file is tailored to Dave Ashley's  //      full-sized image.  The index file is tailored to Dave Ashley's
718  //      needs, but the created file can be edited and most of the content  //      needs, but the created file can be edited and most of the content
719  //      pasted into an HTML file.  To avoid the accidental loss of  //      pasted into an HTML file.  To avoid the accidental loss of
720  //      information, any existing "index2.php" file is renamed out of the  //      information, any existing "index2.php" file is renamed out of the
721  //      way.  //      way.
722  //  //
723  //This script is designed to be run manually (rather than automatically invoked  //This script is designed to be run manually (rather than automatically invoked
724  //as a result of a web page request).  It was written in PHP for convenience  //as a result of a web page request).  It was written in PHP for convenience
725  //simply because DreamHost (the web hosting company Dave Ashley uses) has as part  //simply because DreamHost (the web hosting company Dave Ashley uses) has as part
726  //of its hosting environment PHP with the ImageMagick library compiled in.  //of its hosting environment PHP with the ImageMagick library compiled in.
727  //  //
728  //Usually, this script is invoked using "php <path>/filenames_canonize.php", but  //Usually, this script is invoked using "php <path>/filenames_canonize.php", but
729  //the method of invocation may vary based on computing platform details.  //the method of invocation may vary based on computing platform details.
730  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
731  //This program is free software: you can redistribute it and/or modify  //This program is free software: you can redistribute it and/or modify
732  //it under the terms of the GNU General Public License as published by  //it under the terms of the GNU General Public License as published by
733  //the Free Software Foundation, either version 3 of the License, or  //the Free Software Foundation, either version 3 of the License, or
734  //(at your option) any later version.  //(at your option) any later version.
735  //  //
736  //This program is distributed in the hope that it will be useful,  //This program is distributed in the hope that it will be useful,
737  //but WITHOUT ANY WARRANTY; without even the implied warranty of  //but WITHOUT ANY WARRANTY; without even the implied warranty of
738  //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the  //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
739  //GNU General Public License for more details.  //GNU General Public License for more details.
740  //  //
741  //The GNU General Public License is reproduced below, and also is  //The GNU General Public License is reproduced below, and also is
742  //available at http://www.gnu.org/licenses/.  //available at http://www.gnu.org/licenses/.
743  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
744  //                    GNU GENERAL PUBLIC LICENSE  //                    GNU GENERAL PUBLIC LICENSE
745  //                       Version 3, 29 June 2007  //                       Version 3, 29 June 2007
746  //  //
747  // Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>  // Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
748  // Everyone is permitted to copy and distribute verbatim copies  // Everyone is permitted to copy and distribute verbatim copies
749  // of this license document, but changing it is not allowed.  // of this license document, but changing it is not allowed.
750  //  //
751  //                            Preamble  //                            Preamble
752  //  //
753  //   The GNU General Public License is a free, copyleft license for  //   The GNU General Public License is a free, copyleft license for
754  // software and other kinds of works.  // software and other kinds of works.
755  //  //
756  //   The licenses for most software and other practical works are designed  //   The licenses for most software and other practical works are designed
757  // to take away your freedom to share and change the works.  By contrast,  // to take away your freedom to share and change the works.  By contrast,
758  // the GNU General Public License is intended to guarantee your freedom to  // the GNU General Public License is intended to guarantee your freedom to
759  // share and change all versions of a program--to make sure it remains free  // share and change all versions of a program--to make sure it remains free
760  // software for all its users.  We, the Free Software Foundation, use the  // software for all its users.  We, the Free Software Foundation, use the
761  // GNU General Public License for most of our software; it applies also to  // GNU General Public License for most of our software; it applies also to
762  // any other work released this way by its authors.  You can apply it to  // any other work released this way by its authors.  You can apply it to
763  // your programs, too.  // your programs, too.
764  //  //
765  //   When we speak of free software, we are referring to freedom, not  //   When we speak of free software, we are referring to freedom, not
766  // price.  Our General Public Licenses are designed to make sure that you  // price.  Our General Public Licenses are designed to make sure that you
767  // have the freedom to distribute copies of free software (and charge for  // have the freedom to distribute copies of free software (and charge for
768  // them if you wish), that you receive source code or can get it if you  // them if you wish), that you receive source code or can get it if you
769  // want it, that you can change the software or use pieces of it in new  // want it, that you can change the software or use pieces of it in new
770  // free programs, and that you know you can do these things.  // free programs, and that you know you can do these things.
771  //  //
772  //   To protect your rights, we need to prevent others from denying you  //   To protect your rights, we need to prevent others from denying you
773  // these rights or asking you to surrender the rights.  Therefore, you have  // these rights or asking you to surrender the rights.  Therefore, you have
774  // certain responsibilities if you distribute copies of the software, or if  // certain responsibilities if you distribute copies of the software, or if
775  // you modify it: responsibilities to respect the freedom of others.  // you modify it: responsibilities to respect the freedom of others.
776  //  //
777  //   For example, if you distribute copies of such a program, whether  //   For example, if you distribute copies of such a program, whether
778  // gratis or for a fee, you must pass on to the recipients the same  // gratis or for a fee, you must pass on to the recipients the same
779  // freedoms that you received.  You must make sure that they, too, receive  // freedoms that you received.  You must make sure that they, too, receive
780  // or can get the source code.  And you must show them these terms so they  // or can get the source code.  And you must show them these terms so they
781  // know their rights.  // know their rights.
782  //  //
783  //   Developers that use the GNU GPL protect your rights with two steps:  //   Developers that use the GNU GPL protect your rights with two steps:
784  // (1) assert copyright on the software, and (2) offer you this License  // (1) assert copyright on the software, and (2) offer you this License
785  // giving you legal permission to copy, distribute and/or modify it.  // giving you legal permission to copy, distribute and/or modify it.
786  //  //
787  //   For the developers' and authors' protection, the GPL clearly explains  //   For the developers' and authors' protection, the GPL clearly explains
788  // that there is no warranty for this free software.  For both users' and  // that there is no warranty for this free software.  For both users' and
789  // authors' sake, the GPL requires that modified versions be marked as  // authors' sake, the GPL requires that modified versions be marked as
790  // changed, so that their problems will not be attributed erroneously to  // changed, so that their problems will not be attributed erroneously to
791  // authors of previous versions.  // authors of previous versions.
792  //  //
793  //   Some devices are designed to deny users access to install or run  //   Some devices are designed to deny users access to install or run
794  // modified versions of the software inside them, although the manufacturer  // modified versions of the software inside them, although the manufacturer
795  // can do so.  This is fundamentally incompatible with the aim of  // can do so.  This is fundamentally incompatible with the aim of
796  // protecting users' freedom to change the software.  The systematic  // protecting users' freedom to change the software.  The systematic
797  // pattern of such abuse occurs in the area of products for individuals to  // pattern of such abuse occurs in the area of products for individuals to
798  // use, which is precisely where it is most unacceptable.  Therefore, we  // use, which is precisely where it is most unacceptable.  Therefore, we
799  // have designed this version of the GPL to prohibit the practice for those  // have designed this version of the GPL to prohibit the practice for those
800  // products.  If such problems arise substantially in other domains, we  // products.  If such problems arise substantially in other domains, we
801  // stand ready to extend this provision to those domains in future versions  // stand ready to extend this provision to those domains in future versions
802  // of the GPL, as needed to protect the freedom of users.  // of the GPL, as needed to protect the freedom of users.
803  //  //
804  //   Finally, every program is threatened constantly by software patents.  //   Finally, every program is threatened constantly by software patents.
805  // States should not allow patents to restrict development and use of  // States should not allow patents to restrict development and use of
806  // software on general-purpose computers, but in those that do, we wish to  // software on general-purpose computers, but in those that do, we wish to
807  // avoid the special danger that patents applied to a free program could  // avoid the special danger that patents applied to a free program could
808  // make it effectively proprietary.  To prevent this, the GPL assures that  // make it effectively proprietary.  To prevent this, the GPL assures that
809  // patents cannot be used to render the program non-free.  // patents cannot be used to render the program non-free.
810  //  //
811  //   The precise terms and conditions for copying, distribution and  //   The precise terms and conditions for copying, distribution and
812  // modification follow.  // modification follow.
813  //  //
814  //                       TERMS AND CONDITIONS  //                       TERMS AND CONDITIONS
815  //  //
816  //   0. Definitions.  //   0. Definitions.
817  //  //
818  //   "This License" refers to version 3 of the GNU General Public License.  //   "This License" refers to version 3 of the GNU General Public License.
819  //  //
820  //   "Copyright" also means copyright-like laws that apply to other kinds of  //   "Copyright" also means copyright-like laws that apply to other kinds of
821  // works, such as semiconductor masks.  // works, such as semiconductor masks.
822  //  //
823  //   "The Program" refers to any copyrightable work licensed under this  //   "The Program" refers to any copyrightable work licensed under this
824  // License.  Each licensee is addressed as "you".  "Licensees" and  // License.  Each licensee is addressed as "you".  "Licensees" and
825  // "recipients" may be individuals or organizations.  // "recipients" may be individuals or organizations.
826  //  //
827  //   To "modify" a work means to copy from or adapt all or part of the work  //   To "modify" a work means to copy from or adapt all or part of the work
828  // in a fashion requiring copyright permission, other than the making of an  // in a fashion requiring copyright permission, other than the making of an
829  // exact copy.  The resulting work is called a "modified version" of the  // exact copy.  The resulting work is called a "modified version" of the
830  // earlier work or a work "based on" the earlier work.  // earlier work or a work "based on" the earlier work.
831  //  //
832  //   A "covered work" means either the unmodified Program or a work based  //   A "covered work" means either the unmodified Program or a work based
833  // on the Program.  // on the Program.
834  //  //
835  //   To "propagate" a work means to do anything with it that, without  //   To "propagate" a work means to do anything with it that, without
836  // permission, would make you directly or secondarily liable for  // permission, would make you directly or secondarily liable for
837  // infringement under applicable copyright law, except executing it on a  // infringement under applicable copyright law, except executing it on a
838  // computer or modifying a private copy.  Propagation includes copying,  // computer or modifying a private copy.  Propagation includes copying,
839  // distribution (with or without modification), making available to the  // distribution (with or without modification), making available to the
840  // public, and in some countries other activities as well.  // public, and in some countries other activities as well.
841  //  //
842  //   To "convey" a work means any kind of propagation that enables other  //   To "convey" a work means any kind of propagation that enables other
843  // parties to make or receive copies.  Mere interaction with a user through  // parties to make or receive copies.  Mere interaction with a user through
844  // a computer network, with no transfer of a copy, is not conveying.  // a computer network, with no transfer of a copy, is not conveying.
845  //  //
846  //   An interactive user interface displays "Appropriate Legal Notices"  //   An interactive user interface displays "Appropriate Legal Notices"
847  // to the extent that it includes a convenient and prominently visible  // to the extent that it includes a convenient and prominently visible
848  // feature that (1) displays an appropriate copyright notice, and (2)  // feature that (1) displays an appropriate copyright notice, and (2)
849  // tells the user that there is no warranty for the work (except to the  // tells the user that there is no warranty for the work (except to the
850  // extent that warranties are provided), that licensees may convey the  // extent that warranties are provided), that licensees may convey the
851  // work under this License, and how to view a copy of this License.  If  // work under this License, and how to view a copy of this License.  If
852  // the interface presents a list of user commands or options, such as a  // the interface presents a list of user commands or options, such as a
853  // menu, a prominent item in the list meets this criterion.  // menu, a prominent item in the list meets this criterion.
854  //  //
855  //   1. Source Code.  //   1. Source Code.
856  //  //
857  //   The "source code" for a work means the preferred form of the work  //   The "source code" for a work means the preferred form of the work
858  // for making modifications to it.  "Object code" means any non-source  // for making modifications to it.  "Object code" means any non-source
859  // form of a work.  // form of a work.
860  //  //
861  //   A "Standard Interface" means an interface that either is an official  //   A "Standard Interface" means an interface that either is an official
862  // standard defined by a recognized standards body, or, in the case of  // standard defined by a recognized standards body, or, in the case of
863  // interfaces specified for a particular programming language, one that  // interfaces specified for a particular programming language, one that
864  // is widely used among developers working in that language.  // is widely used among developers working in that language.
865  //  //
866  //   The "System Libraries" of an executable work include anything, other  //   The "System Libraries" of an executable work include anything, other
867  // than the work as a whole, that (a) is included in the normal form of  // than the work as a whole, that (a) is included in the normal form of
868  // packaging a Major Component, but which is not part of that Major  // packaging a Major Component, but which is not part of that Major
869  // Component, and (b) serves only to enable use of the work with that  // Component, and (b) serves only to enable use of the work with that
870  // Major Component, or to implement a Standard Interface for which an  // Major Component, or to implement a Standard Interface for which an
871  // implementation is available to the public in source code form.  A  // implementation is available to the public in source code form.  A
872  // "Major Component", in this context, means a major essential component  // "Major Component", in this context, means a major essential component
873  // (kernel, window system, and so on) of the specific operating system  // (kernel, window system, and so on) of the specific operating system
874  // (if any) on which the executable work runs, or a compiler used to  // (if any) on which the executable work runs, or a compiler used to
875  // produce the work, or an object code interpreter used to run it.  // produce the work, or an object code interpreter used to run it.
876  //  //
877  //   The "Corresponding Source" for a work in object code form means all  //   The "Corresponding Source" for a work in object code form means all
878  // the source code needed to generate, install, and (for an executable  // the source code needed to generate, install, and (for an executable
879  // work) run the object code and to modify the work, including scripts to  // work) run the object code and to modify the work, including scripts to
880  // control those activities.  However, it does not include the work's  // control those activities.  However, it does not include the work's
881  // System Libraries, or general-purpose tools or generally available free  // System Libraries, or general-purpose tools or generally available free
882  // programs which are used unmodified in performing those activities but  // programs which are used unmodified in performing those activities but
883  // which are not part of the work.  For example, Corresponding Source  // which are not part of the work.  For example, Corresponding Source
884  // includes interface definition files associated with source files for  // includes interface definition files associated with source files for
885  // the work, and the source code for shared libraries and dynamically  // the work, and the source code for shared libraries and dynamically
886  // linked subprograms that the work is specifically designed to require,  // linked subprograms that the work is specifically designed to require,
887  // such as by intimate data communication or control flow between those  // such as by intimate data communication or control flow between those
888  // subprograms and other parts of the work.  // subprograms and other parts of the work.
889  //  //
890  //   The Corresponding Source need not include anything that users  //   The Corresponding Source need not include anything that users
891  // can regenerate automatically from other parts of the Corresponding  // can regenerate automatically from other parts of the Corresponding
892  // Source.  // Source.
893  //  //
894  //   The Corresponding Source for a work in source code form is that  //   The Corresponding Source for a work in source code form is that
895  // same work.  // same work.
896  //  //
897  //   2. Basic Permissions.  //   2. Basic Permissions.
898  //  //
899  //   All rights granted under this License are granted for the term of  //   All rights granted under this License are granted for the term of
900  // copyright on the Program, and are irrevocable provided the stated  // copyright on the Program, and are irrevocable provided the stated
901  // conditions are met.  This License explicitly affirms your unlimited  // conditions are met.  This License explicitly affirms your unlimited
902  // permission to run the unmodified Program.  The output from running a  // permission to run the unmodified Program.  The output from running a
903  // covered work is covered by this License only if the output, given its  // covered work is covered by this License only if the output, given its
904  // content, constitutes a covered work.  This License acknowledges your  // content, constitutes a covered work.  This License acknowledges your
905  // rights of fair use or other equivalent, as provided by copyright law.  // rights of fair use or other equivalent, as provided by copyright law.
906  //  //
907  //   You may make, run and propagate covered works that you do not  //   You may make, run and propagate covered works that you do not
908  // convey, without conditions so long as your license otherwise remains  // convey, without conditions so long as your license otherwise remains
909  // in force.  You may convey covered works to others for the sole purpose  // in force.  You may convey covered works to others for the sole purpose
910  // of having them make modifications exclusively for you, or provide you  // of having them make modifications exclusively for you, or provide you
911  // with facilities for running those works, provided that you comply with  // with facilities for running those works, provided that you comply with
912  // the terms of this License in conveying all material for which you do  // the terms of this License in conveying all material for which you do
913  // not control copyright.  Those thus making or running the covered works  // not control copyright.  Those thus making or running the covered works
914  // for you must do so exclusively on your behalf, under your direction  // for you must do so exclusively on your behalf, under your direction
915  // and control, on terms that prohibit them from making any copies of  // and control, on terms that prohibit them from making any copies of
916  // your copyrighted material outside their relationship with you.  // your copyrighted material outside their relationship with you.
917  //  //
918  //   Conveying under any other circumstances is permitted solely under  //   Conveying under any other circumstances is permitted solely under
919  // the conditions stated below.  Sublicensing is not allowed; section 10  // the conditions stated below.  Sublicensing is not allowed; section 10
920  // makes it unnecessary.  // makes it unnecessary.
921  //  //
922  //   3. Protecting Users' Legal Rights From Anti-Circumvention Law.  //   3. Protecting Users' Legal Rights From Anti-Circumvention Law.
923  //  //
924  //   No covered work shall be deemed part of an effective technological  //   No covered work shall be deemed part of an effective technological
925  // measure under any applicable law fulfilling obligations under article  // measure under any applicable law fulfilling obligations under article
926  // 11 of the WIPO copyright treaty adopted on 20 December 1996, or  // 11 of the WIPO copyright treaty adopted on 20 December 1996, or
927  // similar laws prohibiting or restricting circumvention of such  // similar laws prohibiting or restricting circumvention of such
928  // measures.  // measures.
929  //  //
930  //   When you convey a covered work, you waive any legal power to forbid  //   When you convey a covered work, you waive any legal power to forbid
931  // circumvention of technological measures to the extent such circumvention  // circumvention of technological measures to the extent such circumvention
932  // is effected by exercising rights under this License with respect to  // is effected by exercising rights under this License with respect to
933  // the covered work, and you disclaim any intention to limit operation or  // the covered work, and you disclaim any intention to limit operation or
934  // modification of the work as a means of enforcing, against the work's  // modification of the work as a means of enforcing, against the work's
935  // users, your or third parties' legal rights to forbid circumvention of  // users, your or third parties' legal rights to forbid circumvention of
936  // technological measures.  // technological measures.
937  //  //
938  //   4. Conveying Verbatim Copies.  //   4. Conveying Verbatim Copies.
939  //  //
940  //   You may convey verbatim copies of the Program's source code as you  //   You may convey verbatim copies of the Program's source code as you
941  // receive it, in any medium, provided that you conspicuously and  // receive it, in any medium, provided that you conspicuously and
942  // appropriately publish on each copy an appropriate copyright notice;  // appropriately publish on each copy an appropriate copyright notice;
943  // keep intact all notices stating that this License and any  // keep intact all notices stating that this License and any
944  // non-permissive terms added in accord with section 7 apply to the code;  // non-permissive terms added in accord with section 7 apply to the code;
945  // keep intact all notices of the absence of any warranty; and give all  // keep intact all notices of the absence of any warranty; and give all
946  // recipients a copy of this License along with the Program.  // recipients a copy of this License along with the Program.
947  //  //
948  //   You may charge any price or no price for each copy that you convey,  //   You may charge any price or no price for each copy that you convey,
949  // and you may offer support or warranty protection for a fee.  // and you may offer support or warranty protection for a fee.
950  //  //
951  //   5. Conveying Modified Source Versions.  //   5. Conveying Modified Source Versions.
952  //  //
953  //   You may convey a work based on the Program, or the modifications to  //   You may convey a work based on the Program, or the modifications to
954  // produce it from the Program, in the form of source code under the  // produce it from the Program, in the form of source code under the
955  // terms of section 4, provided that you also meet all of these conditions:  // terms of section 4, provided that you also meet all of these conditions:
956  //  //
957  //     a) The work must carry prominent notices stating that you modified  //     a) The work must carry prominent notices stating that you modified
958  //     it, and giving a relevant date.  //     it, and giving a relevant date.
959  //  //
960  //     b) The work must carry prominent notices stating that it is  //     b) The work must carry prominent notices stating that it is
961  //     released under this License and any conditions added under section  //     released under this License and any conditions added under section
962  //     7.  This requirement modifies the requirement in section 4 to  //     7.  This requirement modifies the requirement in section 4 to
963  //     "keep intact all notices".  //     "keep intact all notices".
964  //  //
965  //     c) You must license the entire work, as a whole, under this  //     c) You must license the entire work, as a whole, under this
966  //     License to anyone who comes into possession of a copy.  This  //     License to anyone who comes into possession of a copy.  This
967  //     License will therefore apply, along with any applicable section 7  //     License will therefore apply, along with any applicable section 7
968  //     additional terms, to the whole of the work, and all its parts,  //     additional terms, to the whole of the work, and all its parts,
969  //     regardless of how they are packaged.  This License gives no  //     regardless of how they are packaged.  This License gives no
970  //     permission to license the work in any other way, but it does not  //     permission to license the work in any other way, but it does not
971  //     invalidate such permission if you have separately received it.  //     invalidate such permission if you have separately received it.
972  //  //
973  //     d) If the work has interactive user interfaces, each must display  //     d) If the work has interactive user interfaces, each must display
974  //     Appropriate Legal Notices; however, if the Program has interactive  //     Appropriate Legal Notices; however, if the Program has interactive
975  //     interfaces that do not display Appropriate Legal Notices, your  //     interfaces that do not display Appropriate Legal Notices, your
976  //     work need not make them do so.  //     work need not make them do so.
977  //  //
978  //   A compilation of a covered work with other separate and independent  //   A compilation of a covered work with other separate and independent
979  // works, which are not by their nature extensions of the covered work,  // works, which are not by their nature extensions of the covered work,
980  // and which are not combined with it such as to form a larger program,  // and which are not combined with it such as to form a larger program,
981  // in or on a volume of a storage or distribution medium, is called an  // in or on a volume of a storage or distribution medium, is called an
982  // "aggregate" if the compilation and its resulting copyright are not  // "aggregate" if the compilation and its resulting copyright are not
983  // used to limit the access or legal rights of the compilation's users  // used to limit the access or legal rights of the compilation's users
984  // beyond what the individual works permit.  Inclusion of a covered work  // beyond what the individual works permit.  Inclusion of a covered work
985  // in an aggregate does not cause this License to apply to the other  // in an aggregate does not cause this License to apply to the other
986  // parts of the aggregate.  // parts of the aggregate.
987  //  //
988  //   6. Conveying Non-Source Forms.  //   6. Conveying Non-Source Forms.
989  //  //
990  //   You may convey a covered work in object code form under the terms  //   You may convey a covered work in object code form under the terms
991  // of sections 4 and 5, provided that you also convey the  // of sections 4 and 5, provided that you also convey the
992  // machine-readable Corresponding Source under the terms of this License,  // machine-readable Corresponding Source under the terms of this License,
993  // in one of these ways:  // in one of these ways:
994  //  //
995  //     a) Convey the object code in, or embodied in, a physical product  //     a) Convey the object code in, or embodied in, a physical product
996  //     (including a physical distribution medium), accompanied by the  //     (including a physical distribution medium), accompanied by the
997  //     Corresponding Source fixed on a durable physical medium  //     Corresponding Source fixed on a durable physical medium
998  //     customarily used for software interchange.  //     customarily used for software interchange.
999  //  //
1000  //     b) Convey the object code in, or embodied in, a physical product  //     b) Convey the object code in, or embodied in, a physical product
1001  //     (including a physical distribution medium), accompanied by a  //     (including a physical distribution medium), accompanied by a
1002  //     written offer, valid for at least three years and valid for as  //     written offer, valid for at least three years and valid for as
1003  //     long as you offer spare parts or customer support for that product  //     long as you offer spare parts or customer support for that product
1004  //     model, to give anyone who possesses the object code either (1) a  //     model, to give anyone who possesses the object code either (1) a
1005  //     copy of the Corresponding Source for all the software in the  //     copy of the Corresponding Source for all the software in the
1006  //     product that is covered by this License, on a durable physical  //     product that is covered by this License, on a durable physical
1007  //     medium customarily used for software interchange, for a price no  //     medium customarily used for software interchange, for a price no
1008  //     more than your reasonable cost of physically performing this  //     more than your reasonable cost of physically performing this
1009  //     conveying of source, or (2) access to copy the  //     conveying of source, or (2) access to copy the
1010  //     Corresponding Source from a network server at no charge.  //     Corresponding Source from a network server at no charge.
1011  //  //
1012  //     c) Convey individual copies of the object code with a copy of the  //     c) Convey individual copies of the object code with a copy of the
1013  //     written offer to provide the Corresponding Source.  This  //     written offer to provide the Corresponding Source.  This
1014  //     alternative is allowed only occasionally and noncommercially, and  //     alternative is allowed only occasionally and noncommercially, and
1015  //     only if you received the object code with such an offer, in accord  //     only if you received the object code with such an offer, in accord
1016  //     with subsection 6b.  //     with subsection 6b.
1017  //  //
1018  //     d) Convey the object code by offering access from a designated  //     d) Convey the object code by offering access from a designated
1019  //     place (gratis or for a charge), and offer equivalent access to the  //     place (gratis or for a charge), and offer equivalent access to the
1020  //     Corresponding Source in the same way through the same place at no  //     Corresponding Source in the same way through the same place at no
1021  //     further charge.  You need not require recipients to copy the  //     further charge.  You need not require recipients to copy the
1022  //     Corresponding Source along with the object code.  If the place to  //     Corresponding Source along with the object code.  If the place to
1023  //     copy the object code is a network server, the Corresponding Source  //     copy the object code is a network server, the Corresponding Source
1024  //     may be on a different server (operated by you or a third party)  //     may be on a different server (operated by you or a third party)
1025  //     that supports equivalent copying facilities, provided you maintain  //     that supports equivalent copying facilities, provided you maintain
1026  //     clear directions next to the object code saying where to find the  //     clear directions next to the object code saying where to find the
1027  //     Corresponding Source.  Regardless of what server hosts the  //     Corresponding Source.  Regardless of what server hosts the
1028  //     Corresponding Source, you remain obligated to ensure that it is  //     Corresponding Source, you remain obligated to ensure that it is
1029  //     available for as long as needed to satisfy these requirements.  //     available for as long as needed to satisfy these requirements.
1030  //  //
1031  //     e) Convey the object code using peer-to-peer transmission, provided  //     e) Convey the object code using peer-to-peer transmission, provided
1032  //     you inform other peers where the object code and Corresponding  //     you inform other peers where the object code and Corresponding
1033  //     Source of the work are being offered to the general public at no  //     Source of the work are being offered to the general public at no
1034  //     charge under subsection 6d.  //     charge under subsection 6d.
1035  //  //
1036  //   A separable portion of the object code, whose source code is excluded  //   A separable portion of the object code, whose source code is excluded
1037  // from the Corresponding Source as a System Library, need not be  // from the Corresponding Source as a System Library, need not be
1038  // included in conveying the object code work.  // included in conveying the object code work.
1039  //  //
1040  //   A "User Product" is either (1) a "consumer product", which means any  //   A "User Product" is either (1) a "consumer product", which means any
1041  // tangible personal property which is normally used for personal, family,  // tangible personal property which is normally used for personal, family,
1042  // or household purposes, or (2) anything designed or sold for incorporation  // or household purposes, or (2) anything designed or sold for incorporation
1043  // into a dwelling.  In determining whether a product is a consumer product,  // into a dwelling.  In determining whether a product is a consumer product,
1044  // doubtful cases shall be resolved in favor of coverage.  For a particular  // doubtful cases shall be resolved in favor of coverage.  For a particular
1045  // product received by a particular user, "normally used" refers to a  // product received by a particular user, "normally used" refers to a
1046  // typical or common use of that class of product, regardless of the status  // typical or common use of that class of product, regardless of the status
1047  // of the particular user or of the way in which the particular user  // of the particular user or of the way in which the particular user
1048  // actually uses, or expects or is expected to use, the product.  A product  // actually uses, or expects or is expected to use, the product.  A product
1049  // is a consumer product regardless of whether the product has substantial  // is a consumer product regardless of whether the product has substantial
1050  // commercial, industrial or non-consumer uses, unless such uses represent  // commercial, industrial or non-consumer uses, unless such uses represent
1051  // the only significant mode of use of the product.  // the only significant mode of use of the product.
1052  //  //
1053  //   "Installation Information" for a User Product means any methods,  //   "Installation Information" for a User Product means any methods,
1054  // procedures, authorization keys, or other information required to install  // procedures, authorization keys, or other information required to install
1055  // and execute modified versions of a covered work in that User Product from  // and execute modified versions of a covered work in that User Product from
1056  // a modified version of its Corresponding Source.  The information must  // a modified version of its Corresponding Source.  The information must
1057  // suffice to ensure that the continued functioning of the modified object  // suffice to ensure that the continued functioning of the modified object
1058  // code is in no case prevented or interfered with solely because  // code is in no case prevented or interfered with solely because
1059  // modification has been made.  // modification has been made.
1060  //  //
1061  //   If you convey an object code work under this section in, or with, or  //   If you convey an object code work under this section in, or with, or
1062  // specifically for use in, a User Product, and the conveying occurs as  // specifically for use in, a User Product, and the conveying occurs as
1063  // part of a transaction in which the right of possession and use of the  // part of a transaction in which the right of possession and use of the
1064  // User Product is transferred to the recipient in perpetuity or for a  // User Product is transferred to the recipient in perpetuity or for a
1065  // fixed term (regardless of how the transaction is characterized), the  // fixed term (regardless of how the transaction is characterized), the
1066  // Corresponding Source conveyed under this section must be accompanied  // Corresponding Source conveyed under this section must be accompanied
1067  // by the Installation Information.  But this requirement does not apply  // by the Installation Information.  But this requirement does not apply
1068  // if neither you nor any third party retains the ability to install  // if neither you nor any third party retains the ability to install
1069  // modified object code on the User Product (for example, the work has  // modified object code on the User Product (for example, the work has
1070  // been installed in ROM).  // been installed in ROM).
1071  //  //
1072  //   The requirement to provide Installation Information does not include a  //   The requirement to provide Installation Information does not include a
1073  // requirement to continue to provide support service, warranty, or updates  // requirement to continue to provide support service, warranty, or updates
1074  // for a work that has been modified or installed by the recipient, or for  // for a work that has been modified or installed by the recipient, or for
1075  // the User Product in which it has been modified or installed.  Access to a  // the User Product in which it has been modified or installed.  Access to a
1076  // network may be denied when the modification itself materially and  // network may be denied when the modification itself materially and
1077  // adversely affects the operation of the network or violates the rules and  // adversely affects the operation of the network or violates the rules and
1078  // protocols for communication across the network.  // protocols for communication across the network.
1079  //  //
1080  //   Corresponding Source conveyed, and Installation Information provided,  //   Corresponding Source conveyed, and Installation Information provided,
1081  // in accord with this section must be in a format that is publicly  // in accord with this section must be in a format that is publicly
1082  // documented (and with an implementation available to the public in  // documented (and with an implementation available to the public in
1083  // source code form), and must require no special password or key for  // source code form), and must require no special password or key for
1084  // unpacking, reading or copying.  // unpacking, reading or copying.
1085  //  //
1086  //   7. Additional Terms.  //   7. Additional Terms.
1087  //  //
1088  //   "Additional permissions" are terms that supplement the terms of this  //   "Additional permissions" are terms that supplement the terms of this
1089  // License by making exceptions from one or more of its conditions.  // License by making exceptions from one or more of its conditions.
1090  // Additional permissions that are applicable to the entire Program shall  // Additional permissions that are applicable to the entire Program shall
1091  // be treated as though they were included in this License, to the extent  // be treated as though they were included in this License, to the extent
1092  // that they are valid under applicable law.  If additional permissions  // that they are valid under applicable law.  If additional permissions
1093  // apply only to part of the Program, that part may be used separately  // apply only to part of the Program, that part may be used separately
1094  // under those permissions, but the entire Program remains governed by  // under those permissions, but the entire Program remains governed by
1095  // this License without regard to the additional permissions.  // this License without regard to the additional permissions.
1096  //  //
1097  //   When you convey a copy of a covered work, you may at your option  //   When you convey a copy of a covered work, you may at your option
1098  // remove any additional permissions from that copy, or from any part of  // remove any additional permissions from that copy, or from any part of
1099  // it.  (Additional permissions may be written to require their own  // it.  (Additional permissions may be written to require their own
1100  // removal in certain cases when you modify the work.)  You may place  // removal in certain cases when you modify the work.)  You may place
1101  // additional permissions on material, added by you to a covered work,  // additional permissions on material, added by you to a covered work,
1102  // for which you have or can give appropriate copyright permission.  // for which you have or can give appropriate copyright permission.
1103  //  //
1104  //   Notwithstanding any other provision of this License, for material you  //   Notwithstanding any other provision of this License, for material you
1105  // add to a covered work, you may (if authorized by the copyright holders of  // add to a covered work, you may (if authorized by the copyright holders of
1106  // that material) supplement the terms of this License with terms:  // that material) supplement the terms of this License with terms:
1107  //  //
1108  //     a) Disclaiming warranty or limiting liability differently from the  //     a) Disclaiming warranty or limiting liability differently from the
1109  //     terms of sections 15 and 16 of this License; or  //     terms of sections 15 and 16 of this License; or
1110  //  //
1111  //     b) Requiring preservation of specified reasonable legal notices or  //     b) Requiring preservation of specified reasonable legal notices or
1112  //     author attributions in that material or in the Appropriate Legal  //     author attributions in that material or in the Appropriate Legal
1113  //     Notices displayed by works containing it; or  //     Notices displayed by works containing it; or
1114  //  //
1115  //     c) Prohibiting misrepresentation of the origin of that material, or  //     c) Prohibiting misrepresentation of the origin of that material, or
1116  //     requiring that modified versions of such material be marked in  //     requiring that modified versions of such material be marked in
1117  //     reasonable ways as different from the original version; or  //     reasonable ways as different from the original version; or
1118  //  //
1119  //     d) Limiting the use for publicity purposes of names of licensors or  //     d) Limiting the use for publicity purposes of names of licensors or
1120  //     authors of the material; or  //     authors of the material; or
1121  //  //
1122  //     e) Declining to grant rights under trademark law for use of some  //     e) Declining to grant rights under trademark law for use of some
1123  //     trade names, trademarks, or service marks; or  //     trade names, trademarks, or service marks; or
1124  //  //
1125  //     f) Requiring indemnification of licensors and authors of that  //     f) Requiring indemnification of licensors and authors of that
1126  //     material by anyone who conveys the material (or modified versions of  //     material by anyone who conveys the material (or modified versions of
1127  //     it) with contractual assumptions of liability to the recipient, for  //     it) with contractual assumptions of liability to the recipient, for
1128  //     any liability that these contractual assumptions directly impose on  //     any liability that these contractual assumptions directly impose on
1129  //     those licensors and authors.  //     those licensors and authors.
1130  //  //
1131  //   All other non-permissive additional terms are considered "further  //   All other non-permissive additional terms are considered "further
1132  // restrictions" within the meaning of section 10.  If the Program as you  // restrictions" within the meaning of section 10.  If the Program as you
1133  // received it, or any part of it, contains a notice stating that it is  // received it, or any part of it, contains a notice stating that it is
1134  // governed by this License along with a term that is a further  // governed by this License along with a term that is a further
1135  // restriction, you may remove that term.  If a license document contains  // restriction, you may remove that term.  If a license document contains
1136  // a further restriction but permits relicensing or conveying under this  // a further restriction but permits relicensing or conveying under this
1137  // License, you may add to a covered work material governed by the terms  // License, you may add to a covered work material governed by the terms
1138  // of that license document, provided that the further restriction does  // of that license document, provided that the further restriction does
1139  // not survive such relicensing or conveying.  // not survive such relicensing or conveying.
1140  //  //
1141  //   If you add terms to a covered work in accord with this section, you  //   If you add terms to a covered work in accord with this section, you
1142  // must place, in the relevant source files, a statement of the  // must place, in the relevant source files, a statement of the
1143  // additional terms that apply to those files, or a notice indicating  // additional terms that apply to those files, or a notice indicating
1144  // where to find the applicable terms.  // where to find the applicable terms.
1145  //  //
1146  //   Additional terms, permissive or non-permissive, may be stated in the  //   Additional terms, permissive or non-permissive, may be stated in the
1147  // form of a separately written license, or stated as exceptions;  // form of a separately written license, or stated as exceptions;
1148  // the above requirements apply either way.  // the above requirements apply either way.
1149  //  //
1150  //   8. Termination.  //   8. Termination.
1151  //  //
1152  //   You may not propagate or modify a covered work except as expressly  //   You may not propagate or modify a covered work except as expressly
1153  // provided under this License.  Any attempt otherwise to propagate or  // provided under this License.  Any attempt otherwise to propagate or
1154  // modify it is void, and will automatically terminate your rights under  // modify it is void, and will automatically terminate your rights under
1155  // this License (including any patent licenses granted under the third  // this License (including any patent licenses granted under the third
1156  // paragraph of section 11).  // paragraph of section 11).
1157  //  //
1158  //   However, if you cease all violation of this License, then your  //   However, if you cease all violation of this License, then your
1159  // license from a particular copyright holder is reinstated (a)  // license from a particular copyright holder is reinstated (a)
1160  // provisionally, unless and until the copyright holder explicitly and  // provisionally, unless and until the copyright holder explicitly and
1161  // finally terminates your license, and (b) permanently, if the copyright  // finally terminates your license, and (b) permanently, if the copyright
1162  // holder fails to notify you of the violation by some reasonable means  // holder fails to notify you of the violation by some reasonable means
1163  // prior to 60 days after the cessation.  // prior to 60 days after the cessation.
1164  //  //
1165  //   Moreover, your license from a particular copyright holder is  //   Moreover, your license from a particular copyright holder is
1166  // reinstated permanently if the copyright holder notifies you of the  // reinstated permanently if the copyright holder notifies you of the
1167  // violation by some reasonable means, this is the first time you have  // violation by some reasonable means, this is the first time you have
1168  // received notice of violation of this License (for any work) from that  // received notice of violation of this License (for any work) from that
1169  // copyright holder, and you cure the violation prior to 30 days after  // copyright holder, and you cure the violation prior to 30 days after
1170  // your receipt of the notice.  // your receipt of the notice.
1171  //  //
1172  //   Termination of your rights under this section does not terminate the  //   Termination of your rights under this section does not terminate the
1173  // licenses of parties who have received copies or rights from you under  // licenses of parties who have received copies or rights from you under
1174  // this License.  If your rights have been terminated and not permanently  // this License.  If your rights have been terminated and not permanently
1175  // reinstated, you do not qualify to receive new licenses for the same  // reinstated, you do not qualify to receive new licenses for the same
1176  // material under section 10.  // material under section 10.
1177  //  //
1178  //   9. Acceptance Not Required for Having Copies.  //   9. Acceptance Not Required for Having Copies.
1179  //  //
1180  //   You are not required to accept this License in order to receive or  //   You are not required to accept this License in order to receive or
1181  // run a copy of the Program.  Ancillary propagation of a covered work  // run a copy of the Program.  Ancillary propagation of a covered work
1182  // occurring solely as a consequence of using peer-to-peer transmission  // occurring solely as a consequence of using peer-to-peer transmission
1183  // to receive a copy likewise does not require acceptance.  However,  // to receive a copy likewise does not require acceptance.  However,
1184  // nothing other than this License grants you permission to propagate or  // nothing other than this License grants you permission to propagate or
1185  // modify any covered work.  These actions infringe copyright if you do  // modify any covered work.  These actions infringe copyright if you do
1186  // not accept this License.  Therefore, by modifying or propagating a  // not accept this License.  Therefore, by modifying or propagating a
1187  // covered work, you indicate your acceptance of this License to do so.  // covered work, you indicate your acceptance of this License to do so.
1188  //  //
1189  //   10. Automatic Licensing of Downstream Recipients.  //   10. Automatic Licensing of Downstream Recipients.
1190  //  //
1191  //   Each time you convey a covered work, the recipient automatically  //   Each time you convey a covered work, the recipient automatically
1192  // receives a license from the original licensors, to run, modify and  // receives a license from the original licensors, to run, modify and
1193  // propagate that work, subject to this License.  You are not responsible  // propagate that work, subject to this License.  You are not responsible
1194  // for enforcing compliance by third parties with this License.  // for enforcing compliance by third parties with this License.
1195  //  //
1196  //   An "entity transaction" is a transaction transferring control of an  //   An "entity transaction" is a transaction transferring control of an
1197  // organization, or substantially all assets of one, or subdividing an  // organization, or substantially all assets of one, or subdividing an
1198  // organization, or merging organizations.  If propagation of a covered  // organization, or merging organizations.  If propagation of a covered
1199  // work results from an entity transaction, each party to that  // work results from an entity transaction, each party to that
1200  // transaction who receives a copy of the work also receives whatever  // transaction who receives a copy of the work also receives whatever
1201  // licenses to the work the party's predecessor in interest had or could  // licenses to the work the party's predecessor in interest had or could
1202  // give under the previous paragraph, plus a right to possession of the  // give under the previous paragraph, plus a right to possession of the
1203  // Corresponding Source of the work from the predecessor in interest, if  // Corresponding Source of the work from the predecessor in interest, if
1204  // the predecessor has it or can get it with reasonable efforts.  // the predecessor has it or can get it with reasonable efforts.
1205  //  //
1206  //   You may not impose any further restrictions on the exercise of the  //   You may not impose any further restrictions on the exercise of the
1207  // rights granted or affirmed under this License.  For example, you may  // rights granted or affirmed under this License.  For example, you may
1208  // not impose a license fee, royalty, or other charge for exercise of  // not impose a license fee, royalty, or other charge for exercise of
1209  // rights granted under this License, and you may not initiate litigation  // rights granted under this License, and you may not initiate litigation
1210  // (including a cross-claim or counterclaim in a lawsuit) alleging that  // (including a cross-claim or counterclaim in a lawsuit) alleging that
1211  // any patent claim is infringed by making, using, selling, offering for  // any patent claim is infringed by making, using, selling, offering for
1212  // sale, or importing the Program or any portion of it.  // sale, or importing the Program or any portion of it.
1213  //  //
1214  //   11. Patents.  //   11. Patents.
1215  //  //
1216  //   A "contributor" is a copyright holder who authorizes use under this  //   A "contributor" is a copyright holder who authorizes use under this
1217  // License of the Program or a work on which the Program is based.  The  // License of the Program or a work on which the Program is based.  The
1218  // work thus licensed is called the contributor's "contributor version".  // work thus licensed is called the contributor's "contributor version".
1219  //  //
1220  //   A contributor's "essential patent claims" are all patent claims  //   A contributor's "essential patent claims" are all patent claims
1221  // owned or controlled by the contributor, whether already acquired or  // owned or controlled by the contributor, whether already acquired or
1222  // hereafter acquired, that would be infringed by some manner, permitted  // hereafter acquired, that would be infringed by some manner, permitted
1223  // by this License, of making, using, or selling its contributor version,  // by this License, of making, using, or selling its contributor version,
1224  // but do not include claims that would be infringed only as a  // but do not include claims that would be infringed only as a
1225  // consequence of further modification of the contributor version.  For  // consequence of further modification of the contributor version.  For
1226  // purposes of this definition, "control" includes the right to grant  // purposes of this definition, "control" includes the right to grant
1227  // patent sublicenses in a manner consistent with the requirements of  // patent sublicenses in a manner consistent with the requirements of
1228  // this License.  // this License.
1229  //  //
1230  //   Each contributor grants you a non-exclusive, worldwide, royalty-free  //   Each contributor grants you a non-exclusive, worldwide, royalty-free
1231  // patent license under the contributor's essential patent claims, to  // patent license under the contributor's essential patent claims, to
1232  // make, use, sell, offer for sale, import and otherwise run, modify and  // make, use, sell, offer for sale, import and otherwise run, modify and
1233  // propagate the contents of its contributor version.  // propagate the contents of its contributor version.
1234  //  //
1235  //   In the following three paragraphs, a "patent license" is any express  //   In the following three paragraphs, a "patent license" is any express
1236  // agreement or commitment, however denominated, not to enforce a patent  // agreement or commitment, however denominated, not to enforce a patent
1237  // (such as an express permission to practice a patent or covenant not to  // (such as an express permission to practice a patent or covenant not to
1238  // sue for patent infringement).  To "grant" such a patent license to a  // sue for patent infringement).  To "grant" such a patent license to a
1239  // party means to make such an agreement or commitment not to enforce a  // party means to make such an agreement or commitment not to enforce a
1240  // patent against the party.  // patent against the party.
1241  //  //
1242  //   If you convey a covered work, knowingly relying on a patent license,  //   If you convey a covered work, knowingly relying on a patent license,
1243  // and the Corresponding Source of the work is not available for anyone  // and the Corresponding Source of the work is not available for anyone
1244  // to copy, free of charge and under the terms of this License, through a  // to copy, free of charge and under the terms of this License, through a
1245  // publicly available network server or other readily accessible means,  // publicly available network server or other readily accessible means,
1246  // then you must either (1) cause the Corresponding Source to be so  // then you must either (1) cause the Corresponding Source to be so
1247  // available, or (2) arrange to deprive yourself of the benefit of the  // available, or (2) arrange to deprive yourself of the benefit of the
1248  // patent license for this particular work, or (3) arrange, in a manner  // patent license for this particular work, or (3) arrange, in a manner
1249  // consistent with the requirements of this License, to extend the patent  // consistent with the requirements of this License, to extend the patent
1250  // license to downstream recipients.  "Knowingly relying" means you have  // license to downstream recipients.  "Knowingly relying" means you have
1251  // actual knowledge that, but for the patent license, your conveying the  // actual knowledge that, but for the patent license, your conveying the
1252  // covered work in a country, or your recipient's use of the covered work  // covered work in a country, or your recipient's use of the covered work
1253  // in a country, would infringe one or more identifiable patents in that  // in a country, would infringe one or more identifiable patents in that
1254  // country that you have reason to believe are valid.  // country that you have reason to believe are valid.
1255  //  //
1256  //   If, pursuant to or in connection with a single transaction or  //   If, pursuant to or in connection with a single transaction or
1257  // arrangement, you convey, or propagate by procuring conveyance of, a  // arrangement, you convey, or propagate by procuring conveyance of, a
1258  // covered work, and grant a patent license to some of the parties  // covered work, and grant a patent license to some of the parties
1259  // receiving the covered work authorizing them to use, propagate, modify  // receiving the covered work authorizing them to use, propagate, modify
1260  // or convey a specific copy of the covered work, then the patent license  // or convey a specific copy of the covered work, then the patent license
1261  // you grant is automatically extended to all recipients of the covered  // you grant is automatically extended to all recipients of the covered
1262  // work and works based on it.  // work and works based on it.
1263  //  //
1264  //  A patent license is "discriminatory" if it does not include within  //  A patent license is "discriminatory" if it does not include within
1265  // the scope of its coverage, prohibits the exercise of, or is  // the scope of its coverage, prohibits the exercise of, or is
1266  // conditioned on the non-exercise of one or more of the rights that are  // conditioned on the non-exercise of one or more of the rights that are
1267  // specifically granted under this License.  You may not convey a covered  // specifically granted under this License.  You may not convey a covered
1268  // work if you are a party to an arrangement with a third party that is  // work if you are a party to an arrangement with a third party that is
1269  // in the business of distributing software, under which you make payment  // in the business of distributing software, under which you make payment
1270  // to the third party based on the extent of your activity of conveying  // to the third party based on the extent of your activity of conveying
1271  // the work, and under which the third party grants, to any of the  // the work, and under which the third party grants, to any of the
1272  // parties who would receive the covered work from you, a discriminatory  // parties who would receive the covered work from you, a discriminatory
1273  // patent license (a) in connection with copies of the covered work  // patent license (a) in connection with copies of the covered work
1274  // conveyed by you (or copies made from those copies), or (b) primarily  // conveyed by you (or copies made from those copies), or (b) primarily
1275  // for and in connection with specific products or compilations that  // for and in connection with specific products or compilations that
1276  // contain the covered work, unless you entered into that arrangement,  // contain the covered work, unless you entered into that arrangement,
1277  // or that patent license was granted, prior to 28 March 2007.  // or that patent license was granted, prior to 28 March 2007.
1278  //  //
1279  //   Nothing in this License shall be construed as excluding or limiting  //   Nothing in this License shall be construed as excluding or limiting
1280  // any implied license or other defenses to infringement that may  // any implied license or other defenses to infringement that may
1281  // otherwise be available to you under applicable patent law.  // otherwise be available to you under applicable patent law.
1282  //  //
1283  //   12. No Surrender of Others' Freedom.  //   12. No Surrender of Others' Freedom.
1284  //  //
1285  //   If conditions are imposed on you (whether by court order, agreement or  //   If conditions are imposed on you (whether by court order, agreement or
1286  // otherwise) that contradict the conditions of this License, they do not  // otherwise) that contradict the conditions of this License, they do not
1287  // excuse you from the conditions of this License.  If you cannot convey a  // excuse you from the conditions of this License.  If you cannot convey a
1288  // covered work so as to satisfy simultaneously your obligations under this  // covered work so as to satisfy simultaneously your obligations under this
1289  // License and any other pertinent obligations, then as a consequence you may  // License and any other pertinent obligations, then as a consequence you may
1290  // not convey it at all.  For example, if you agree to terms that obligate you  // not convey it at all.  For example, if you agree to terms that obligate you
1291  // to collect a royalty for further conveying from those to whom you convey  // to collect a royalty for further conveying from those to whom you convey
1292  // the Program, the only way you could satisfy both those terms and this  // the Program, the only way you could satisfy both those terms and this
1293  // License would be to refrain entirely from conveying the Program.  // License would be to refrain entirely from conveying the Program.
1294  //  //
1295  //   13. Use with the GNU Affero General Public License.  //   13. Use with the GNU Affero General Public License.
1296  //  //
1297  //   Notwithstanding any other provision of this License, you have  //   Notwithstanding any other provision of this License, you have
1298  // permission to link or combine any covered work with a work licensed  // permission to link or combine any covered work with a work licensed
1299  // under version 3 of the GNU Affero General Public License into a single  // under version 3 of the GNU Affero General Public License into a single
1300  // combined work, and to convey the resulting work.  The terms of this  // combined work, and to convey the resulting work.  The terms of this
1301  // License will continue to apply to the part which is the covered work,  // License will continue to apply to the part which is the covered work,
1302  // but the special requirements of the GNU Affero General Public License,  // but the special requirements of the GNU Affero General Public License,
1303  // section 13, concerning interaction through a network will apply to the  // section 13, concerning interaction through a network will apply to the
1304  // combination as such.  // combination as such.
1305  //  //
1306  //   14. Revised Versions of this License.  //   14. Revised Versions of this License.
1307  //  //
1308  //   The Free Software Foundation may publish revised and/or new versions of  //   The Free Software Foundation may publish revised and/or new versions of
1309  // the GNU General Public License from time to time.  Such new versions will  // the GNU General Public License from time to time.  Such new versions will
1310  // be similar in spirit to the present version, but may differ in detail to  // be similar in spirit to the present version, but may differ in detail to
1311  // address new problems or concerns.  // address new problems or concerns.
1312  //  //
1313  //   Each version is given a distinguishing version number.  If the  //   Each version is given a distinguishing version number.  If the
1314  // Program specifies that a certain numbered version of the GNU General  // Program specifies that a certain numbered version of the GNU General
1315  // Public License "or any later version" applies to it, you have the  // Public License "or any later version" applies to it, you have the
1316  // option of following the terms and conditions either of that numbered  // option of following the terms and conditions either of that numbered
1317  // version or of any later version published by the Free Software  // version or of any later version published by the Free Software
1318  // Foundation.  If the Program does not specify a version number of the  // Foundation.  If the Program does not specify a version number of the
1319  // GNU General Public License, you may choose any version ever published  // GNU General Public License, you may choose any version ever published
1320  // by the Free Software Foundation.  // by the Free Software Foundation.
1321  //  //
1322  //   If the Program specifies that a proxy can decide which future  //   If the Program specifies that a proxy can decide which future
1323  // versions of the GNU General Public License can be used, that proxy's  // versions of the GNU General Public License can be used, that proxy's
1324  // public statement of acceptance of a version permanently authorizes you  // public statement of acceptance of a version permanently authorizes you
1325  // to choose that version for the Program.  // to choose that version for the Program.
1326  //  //
1327  //   Later license versions may give you additional or different  //   Later license versions may give you additional or different
1328  // permissions.  However, no additional obligations are imposed on any  // permissions.  However, no additional obligations are imposed on any
1329  // author or copyright holder as a result of your choosing to follow a  // author or copyright holder as a result of your choosing to follow a
1330  // later version.  // later version.
1331  //  //
1332  //   15. Disclaimer of Warranty.  //   15. Disclaimer of Warranty.
1333  //  //
1334  //   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY  //   THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
1335  // APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT  // APPLICABLE LAW.  EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
1336  // HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY  // HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
1337  // OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,  // OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
1338  // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  // THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
1339  // PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM  // PURPOSE.  THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
1340  // IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF  // IS WITH YOU.  SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
1341  // ALL NECESSARY SERVICING, REPAIR OR CORRECTION.  // ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
1342  //  //
1343  //   16. Limitation of Liability.  //   16. Limitation of Liability.
1344  //  //
1345  //   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING  //   IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
1346  // WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS  // WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
1347  // THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY  // THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
1348  // GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE  // GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
1349  // USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF  // USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
1350  // DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD  // DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
1351  // PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),  // PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
1352  // EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF  // EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
1353  // SUCH DAMAGES.  // SUCH DAMAGES.
1354  //  //
1355  //   17. Interpretation of Sections 15 and 16.  //   17. Interpretation of Sections 15 and 16.
1356  //  //
1357  //   If the disclaimer of warranty and limitation of liability provided  //   If the disclaimer of warranty and limitation of liability provided
1358  // above cannot be given local legal effect according to their terms,  // above cannot be given local legal effect according to their terms,
1359  // reviewing courts shall apply local law that most closely approximates  // reviewing courts shall apply local law that most closely approximates
1360  // an absolute waiver of all civil liability in connection with the  // an absolute waiver of all civil liability in connection with the
1361  // Program, unless a warranty or assumption of liability accompanies a  // Program, unless a warranty or assumption of liability accompanies a
1362  // copy of the Program in return for a fee.  // copy of the Program in return for a fee.
1363  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1364  //C O N F I G U R A T I O N  //C O N F I G U R A T I O N
1365  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1366  //Configuration switch combinations were not tested.  E-mail me any program  //Configuration switch combinations were not tested.  E-mail me any program
1367  //corrections (dashley@gmail.com).  //corrections (dashley@gmail.com).
1368  define ("CFG_PROGNAME", "filenames_canonize.php");  define ("CFG_PROGNAME", "filenames_canonize.php");
1369     //Number of characters per line preferred for console output.     //Number of characters per line preferred for console output.
1370  define ("CFG_CONSOLE_STD_LINE_LEN", 78);  define ("CFG_CONSOLE_STD_LINE_LEN", 78);
1371     //Number of characters per line preferred for console output.     //Number of characters per line preferred for console output.
1372  define (  define (
1373     "CFG_FILENAME_SUBSTITUTION_MAP",     "CFG_FILENAME_SUBSTITUTION_MAP",
1374     ".."                                                    //Dots unchanged.     ".."                                                    //Dots unchanged.
1375     .     .
1376     "aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz"  //LC letters unchanged.     "aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz"  //LC letters unchanged.
1377     .     .
1378     "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"  //UC converted to LC.     "AaBbCcDdEeFfGgHhIiJjKkLlMmNnOoPpQqRrSsTtUuVvWwXxYyZz"  //UC converted to LC.
1379     .     .
1380     "00112233445566778899"                                  //Digits unchanged.     "00112233445566778899"                                  //Digits unchanged.
1381     .     .
1382     "-_"                                                    //Hyphens become underscores,     "-_"                                                    //Hyphens become underscores,
1383                                                             //and anything unmapped                                                             //and anything unmapped
1384                                                             //becomes an underscore.                                                             //becomes an underscore.
1385     );     );
1386     //Pairs of characters, the first is the character to match and the second     //Pairs of characters, the first is the character to match and the second
1387     //is the replacement.  Any characters not found in the map will be replaced     //is the replacement.  Any characters not found in the map will be replaced
1388     //by the last character of the constant.     //by the last character of the constant.
1389  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1390  //Repeats a character to the console output a certain number of times.  //Repeats a character to the console output a certain number of times.
1391  function rep_char_con($c, $n)  function rep_char_con($c, $n)
1392  {  {
1393     while ($n--)     while ($n--)
1394        echo $c;        echo $c;
1395  }  }
1396  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1397  //Writes a standard thick horizontal line to the console.  //Writes a standard thick horizontal line to the console.
1398  function hor_line_thick()  function hor_line_thick()
1399  {  {
1400     rep_char_con("=", CFG_CONSOLE_STD_LINE_LEN);     rep_char_con("=", CFG_CONSOLE_STD_LINE_LEN);
1401     echo "\n";     echo "\n";
1402  }  }
1403  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1404  //Writes a standard thin horizontal line to the console.  //Writes a standard thin horizontal line to the console.
1405  function hor_line_thin()  function hor_line_thin()
1406  {  {
1407     rep_char_con("-", CFG_CONSOLE_STD_LINE_LEN);     rep_char_con("-", CFG_CONSOLE_STD_LINE_LEN);
1408     echo "\n";     echo "\n";
1409  }  }
1410  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1411  //Returns an array of all files in the working directory.  //Returns an array of all files in the working directory.
1412  //If no files can be found, returns FALSE.  //If no files can be found, returns FALSE.
1413  function get_file_names_in_dir()  function get_file_names_in_dir()
1414  {  {
1415     //Get directory list.     //Get directory list.
1416     $rv = scandir (".");     $rv = scandir (".");
1417    
1418     //If the list is empty, something went wrong.  Return FALSE.     //If the list is empty, something went wrong.  Return FALSE.
1419     if ($rv === FALSE)     if ($rv === FALSE)
1420        return FALSE;        return FALSE;
1421    
1422     return $rv;     return $rv;
1423  }  }
1424  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1425  //Canonizes a filename by performing character substitutions.  //Canonizes a filename by performing character substitutions.
1426  function canonize($in_fname)  function canonize($in_fname)
1427  {  {
1428     //Well, the algorithm below is O(N^2) or worse ... I knew there was a reason     //Well, the algorithm below is O(N^2) or worse ... I knew there was a reason
1429     //that computers get faster every year.     //that computers get faster every year.
1430     $out_fname = "";     $out_fname = "";
1431    
1432     for ($i = 0; $i < strlen($in_fname); $i++)     for ($i = 0; $i < strlen($in_fname); $i++)
1433     {     {
1434        $map = CFG_FILENAME_SUBSTITUTION_MAP;        $map = CFG_FILENAME_SUBSTITUTION_MAP;
1435        $c = substr($in_fname, $i, 1);        $c = substr($in_fname, $i, 1);
1436    
1437        $sub_made = FALSE;        $sub_made = FALSE;
1438        while (strlen($map) >= 2)        while (strlen($map) >= 2)
1439        {        {
1440           if (substr($map, 0, 1) == $c)           if (substr($map, 0, 1) == $c)
1441           {           {
1442              $c = substr($map, 1, 1);              $c = substr($map, 1, 1);
1443              $sub_made = TRUE;              $sub_made = TRUE;
1444              break;              break;
1445           }           }
1446           else           else
1447           {           {
1448              $map = substr($map, 2);              $map = substr($map, 2);
1449           }           }
1450        }        }
1451    
1452        if (! $sub_made)        if (! $sub_made)
1453        {        {
1454           $c = substr(CFG_FILENAME_SUBSTITUTION_MAP, strlen(CFG_FILENAME_SUBSTITUTION_MAP) - 1, 1);           $c = substr(CFG_FILENAME_SUBSTITUTION_MAP, strlen(CFG_FILENAME_SUBSTITUTION_MAP) - 1, 1);
1455           //echo "Default sub made: " . $c . "\n";           //echo "Default sub made: " . $c . "\n";
1456        }        }
1457    
1458        $out_fname = $out_fname . $c;        $out_fname = $out_fname . $c;
1459     }     }
1460    
1461     return $out_fname;     return $out_fname;
1462  }  }
1463  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1464     //Write introductory message.     //Write introductory message.
1465     hor_line_thick();     hor_line_thick();
1466     echo CFG_PROGNAME . " Copyright (C) 2015 David T. Ashley\n";     echo CFG_PROGNAME . " Copyright (C) 2015 David T. Ashley\n";
1467     echo "This program comes with ABSOLUTELY NO WARRANTY; and is licensed under\n";     echo "This program comes with ABSOLUTELY NO WARRANTY; and is licensed under\n";
1468     echo "the GNU General Public License, Version 3.  A copy of this license is\n";     echo "the GNU General Public License, Version 3.  A copy of this license is\n";
1469     echo "provided in the source code of this program.\n";     echo "provided in the source code of this program.\n";
1470     hor_line_thin();     hor_line_thin();
1471     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1472     //Get and emit the names of everything in the directory.     //Get and emit the names of everything in the directory.
1473     $file_list = get_file_names_in_dir();     $file_list = get_file_names_in_dir();
1474     if ($file_list === FALSE)     if ($file_list === FALSE)
1475     {     {
1476        echo "List of files from PHP function scandir() is empty.\n";        echo "List of files from PHP function scandir() is empty.\n";
1477        echo "Serious internal error, or nothing to do.  Script cannot continue.\n";        echo "Serious internal error, or nothing to do.  Script cannot continue.\n";
1478        hor_line_thick();        hor_line_thick();
1479        exit(1);        exit(1);
1480     }     }
1481     else     else
1482     {     {
1483       echo "Files in working directory (unsorted, unfiltered, "       echo "Files in working directory (unsorted, unfiltered, "
1484            .            .
1485            count($file_list)            count($file_list)
1486            .            .
1487            " files):\n";            " files):\n";
1488       for ($i = 0; $i < count($file_list); $i++)       for ($i = 0; $i < count($file_list); $i++)
1489          echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . "\n";          echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . "\n";
1490     }     }
1491     hor_line_thin();     hor_line_thin();
1492     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1493     //Remove everything that is not a file we can rename.     //Remove everything that is not a file we can rename.
1494     $temp_list = $file_list;     $temp_list = $file_list;
1495     unset($file_list);     unset($file_list);
1496     $n = 0;     $n = 0;
1497     for ($i = 0; $i < count($temp_list); $i++)     for ($i = 0; $i < count($temp_list); $i++)
1498     {     {
1499        //echo "Checking " . $temp_list[$i] . "\n";        //echo "Checking " . $temp_list[$i] . "\n";
1500    
1501        if (strcmp($temp_list[$i], ".") == 0)        if (strcmp($temp_list[$i], ".") == 0)
1502        {        {
1503           //. entry, not a file.           //. entry, not a file.
1504        }        }
1505        else if (strcmp($temp_list[$i], "..") == 0)        else if (strcmp($temp_list[$i], "..") == 0)
1506        {        {
1507           //.. entry, not a file.           //.. entry, not a file.
1508        }        }
1509        else if (is_file($temp_list[$i]))        else if (is_file($temp_list[$i]))
1510        {        {
1511           //This is a regular file.           //This is a regular file.
1512           $file_list[] = $temp_list[$i];           $file_list[] = $temp_list[$i];
1513           $n++;           $n++;
1514        }        }
1515     }     }
1516        
1517     if ($n == 0)     if ($n == 0)
1518        $file_list = FALSE;        $file_list = FALSE;
1519    
1520     unset($n);     unset($n);
1521     unset($temp_list);     unset($temp_list);
1522     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1523     //If there is nothing to do, end the script.     //If there is nothing to do, end the script.
1524     if ($file_list === FALSE)     if ($file_list === FALSE)
1525     {     {
1526        echo "No files to rename.\n";        echo "No files to rename.\n";
1527        hor_line_thick();        hor_line_thick();
1528        exit(0);        exit(0);
1529     }     }
1530     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1531     //Sort the list.  This is a non-event.  The only rationale for sorting is that     //Sort the list.  This is a non-event.  The only rationale for sorting is that
1532     //it ensures that the same set of files will be processed in the same order,     //it ensures that the same set of files will be processed in the same order,
1533     //regardless of the order provided by the underlying OS internals.     //regardless of the order provided by the underlying OS internals.
1534     sort($file_list);     sort($file_list);
1535     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1536     //Emit the names we now have.     //Emit the names we now have.
1537     echo "Files in working directory (directory entries removed, sorted, "     echo "Files in working directory (directory entries removed, sorted, "
1538          .          .
1539          count($file_list)          count($file_list)
1540          .          .
1541          " files):\n";          " files):\n";
1542     for ($i = 0; $i < count($file_list); $i++)     for ($i = 0; $i < count($file_list); $i++)
1543        echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . "\n";        echo "   " . sprintf("[%5d]", $i) . " " . $file_list[$i] . "\n";
1544     hor_line_thin();     hor_line_thin();
1545     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1546     //For each file in the directory, form a filename which would be the result     //For each file in the directory, form a filename which would be the result
1547     //of applying character substitutions and any other corrections.     //of applying character substitutions and any other corrections.
1548     for ($i = 0; $i < count($file_list); $i++)     for ($i = 0; $i < count($file_list); $i++)
1549     {     {
1550        $rename_target[$i] = canonize($file_list[$i]);        $rename_target[$i] = canonize($file_list[$i]);
1551    
1552        //echo $file_list[$i] . " " . $rename_target[$i] . "\n";        //echo $file_list[$i] . " " . $rename_target[$i] . "\n";
1553     }     }
1554     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1555     //In all those cases where the name of the file as we would like it to be is     //In all those cases where the name of the file as we would like it to be is
1556     //different from the name of the file as it exists, rename it.  Watch for     //different from the name of the file as it exists, rename it.  Watch for
1557     //collisions, because renaming on top of a file represents the loss of     //collisions, because renaming on top of a file represents the loss of
1558     //data.     //data.
1559     $n = 0;     $n = 0;
1560     for ($i = 0; $i < count($file_list); $i++)     for ($i = 0; $i < count($file_list); $i++)
1561     {     {
1562        if (strcmp($file_list[$i], $rename_target[$i]) != 0)        if (strcmp($file_list[$i], $rename_target[$i]) != 0)
1563           $n++;           $n++;
1564     }     }
1565    
1566     if ($n == 0)     if ($n == 0)
1567     {     {
1568        echo "No files need to be renamed.\n";        echo "No files need to be renamed.\n";
1569        hor_line_thin();        hor_line_thin();
1570     }     }
1571     else     else
1572     {     {
1573        echo "Renaming " . $n . " file(s).\n";        echo "Renaming " . $n . " file(s).\n";
1574        hor_line_thin();        hor_line_thin();
1575    
1576        $count = 0;        $count = 0;
1577        for ($i = 0; $i < count($file_list); $i++)        for ($i = 0; $i < count($file_list); $i++)
1578        {        {
1579           if (strcmp($file_list[$i], $rename_target[$i]) != 0)           if (strcmp($file_list[$i], $rename_target[$i]) != 0)
1580           {           {
1581              $count++;              $count++;
1582              echo "[" . sprintf("%5d/%5d", $count, $n) . "]"              echo "[" . sprintf("%5d/%5d", $count, $n) . "]"
1583                   .                   .
1584                   " Renaming " . $file_list[$i] . " to " . $rename_target[$i] . " ... ";                   " Renaming " . $file_list[$i] . " to " . $rename_target[$i] . " ... ";
1585              if (file_exists($rename_target[$i]))              if (file_exists($rename_target[$i]))
1586              {              {
1587                 echo "Aborted.\nRename target already exists.\n";                 echo "Aborted.\nRename target already exists.\n";
1588                 echo "Choose non-colliding filenames and run this script again.\n";                 echo "Choose non-colliding filenames and run this script again.\n";
1589                 echo "Script terminating.\n";                 echo "Script terminating.\n";
1590                 hor_line_thin();                 hor_line_thin();
1591                 exit(1);                 exit(1);
1592              }              }
1593    
1594              $result = rename($file_list[$i], $rename_target[$i]);              $result = rename($file_list[$i], $rename_target[$i]);
1595              if ($result)              if ($result)
1596              {              {
1597                 echo "Done.\n";                 echo "Done.\n";
1598                 hor_line_thin();                 hor_line_thin();
1599              }              }
1600              else              else
1601              {              {
1602                 echo "Failed.\nScript must terminate.\n";                 echo "Failed.\nScript must terminate.\n";
1603                 hor_line_thick();                 hor_line_thick();
1604                 exit(1);                 exit(1);
1605              }              }
1606           }           }
1607        }        }
1608     }     }
1609     //-----------------------------------------------------------------------------     //-----------------------------------------------------------------------------
1610     echo CFG_PROGNAME . " execution ends.\n";     echo CFG_PROGNAME . " execution ends.\n";
1611     hor_line_thick();     hor_line_thick();
1612  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1613  //End of File  //End of File
1614  //--------------------------------------------------------------------------------  //--------------------------------------------------------------------------------
1615  ?>  ?>

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