/[dtapublic]/projs/dtats/trunk/shared_source/c_tclxtens_7_5/extninit.h
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revision 68 by dashley, Mon Oct 31 16:18:20 2016 UTC revision 71 by dashley, Sat Nov 5 11:07:06 2016 UTC
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1  //$Header$  //$Header$
2  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
3  //This file is part of "David T. Ashley's Shared Source Code", a set of shared components  //This file is part of "David T. Ashley's Shared Source Code", a set of shared components
4  //integrated into many of David T. Ashley's projects.  //integrated into many of David T. Ashley's projects.
5  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
6  //This source code and any program in which it is compiled/used is provided under the MIT License,  //This source code and any program in which it is compiled/used is provided under the MIT License,
7  //reproduced below.  //reproduced below.
8  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
9  //Permission is hereby granted, free of charge, to any person obtaining a copy of  //Permission is hereby granted, free of charge, to any person obtaining a copy of
10  //this software and associated documentation files(the "Software"), to deal in the  //this software and associated documentation files(the "Software"), to deal in the
11  //Software without restriction, including without limitation the rights to use,  //Software without restriction, including without limitation the rights to use,
12  //copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the  //copy, modify, merge, publish, distribute, sublicense, and / or sell copies of the
13  //Software, and to permit persons to whom the Software is furnished to do so,  //Software, and to permit persons to whom the Software is furnished to do so,
14  //subject to the following conditions :  //subject to the following conditions :
15  //  //
16  //The above copyright notice and this permission notice shall be included in all  //The above copyright notice and this permission notice shall be included in all
17  //copies or substantial portions of the Software.  //copies or substantial portions of the Software.
18  //  //
19  //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR  //THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
20  //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,  //IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
21  //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE  //FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
22  //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER  //AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
23  //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,  //LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
24  //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE  //OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
25  //SOFTWARE.  //SOFTWARE.
26  //-------------------------------------------------------------------------------------------------  //-------------------------------------------------------------------------------------------------
27  #ifndef EXTNINIT_H_INCLUDED  #ifndef EXTNINIT_H_INCLUDED
28     #define EXTNINIT_H_INCLUDED     #define EXTNINIT_H_INCLUDED
29    
30     #ifdef MODULE_EXTNINIT     #ifdef MODULE_EXTNINIT
31        #define DECMOD_EXTNINIT        #define DECMOD_EXTNINIT
32     #else     #else
33        #define DECMOD_EXTNINIT extern        #define DECMOD_EXTNINIT extern
34     #endif     #endif
35    
36     //This is the structure type used to hold     //This is the structure type used to hold
37     //a record for a binary search operation to locate     //a record for a binary search operation to locate
38     //Tcl sub-extensions.  Each record is the subextension     //Tcl sub-extensions.  Each record is the subextension
39     //name, and then a pointer to the function which     //name, and then a pointer to the function which
40     //handles that type of sub-extension.  An array of this     //handles that type of sub-extension.  An array of this
41     //type of record is binary searched.     //type of record is binary searched.
42     struct EXTNINIT_subextn_bsearch_record_struct     struct EXTNINIT_subextn_bsearch_record_struct
43        {        {
44        char *name;        char *name;
45           //The name of the subextension.           //The name of the subextension.
46        int (*fptr)(ClientData dummy, Tcl_Interp *interp,        int (*fptr)(ClientData dummy, Tcl_Interp *interp,
47                int objc, Tcl_Obj *objv[]);                int objc, Tcl_Obj *objv[]);
48           //Function pointer to the subextension handler.           //Function pointer to the subextension handler.
49        };        };
50    
51    
52     DECMOD_EXTNINIT void ExtninitInit(Tcl_Interp *interp);     DECMOD_EXTNINIT void ExtninitInit(Tcl_Interp *interp);
53    
54     //Searches for the record having the name as a key.     //Searches for the record having the name as a key.
55     //Returns the index of the record or -1 if not found.     //Returns the index of the record or -1 if not found.
56     //Used for processing Tcl subextensions.  Algorithm     //Used for processing Tcl subextensions.  Algorithm
57     //is binary search.     //is binary search.
58     DECMOD_EXTNINIT int EXTNINIT_subextension_bsearch(     DECMOD_EXTNINIT int EXTNINIT_subextension_bsearch(
59        struct EXTNINIT_subextn_bsearch_record_struct *tbl,        struct EXTNINIT_subextn_bsearch_record_struct *tbl,
60        int nelem,        int nelem,
61        const char *key);        const char *key);
62    
63     DECMOD_EXTNINIT const char *ExtninitCversion(void);     DECMOD_EXTNINIT const char *ExtninitCversion(void);
64     DECMOD_EXTNINIT const char *ExtninitHversion(void);     DECMOD_EXTNINIT const char *ExtninitHversion(void);
65    
66     #define EXTNINIT_H_VERSION ("$Header$")     #define EXTNINIT_H_VERSION ("$Header$")
67    
68  #endif  #endif
69    
70  //End of extninit.h.  //End of extninit.h.
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