| 1 |
/* $Header: /cvsroot/esrg/sfesrg/esrgpcpj/shared/tk_base/tkfilefilter.c,v 1.1.1.1 2001/06/13 05:00:16 dtashley Exp $ */
|
| 2 |
|
| 3 |
/*
|
| 4 |
* tkFileFilter.c --
|
| 5 |
*
|
| 6 |
* Process the -filetypes option for the file dialogs on Windows and the
|
| 7 |
* Mac.
|
| 8 |
*
|
| 9 |
* Copyright (c) 1996 Sun Microsystems, Inc.
|
| 10 |
*
|
| 11 |
* See the file "license.terms" for information on usage and redistribution
|
| 12 |
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
|
| 13 |
*
|
| 14 |
* RCS: @(#) $Id: tkfilefilter.c,v 1.1.1.1 2001/06/13 05:00:16 dtashley Exp $
|
| 15 |
*/
|
| 16 |
|
| 17 |
#include "tkInt.h"
|
| 18 |
#include "tkFileFilter.h"
|
| 19 |
|
| 20 |
static int AddClause _ANSI_ARGS_((
|
| 21 |
Tcl_Interp * interp, FileFilter * filterPtr,
|
| 22 |
char * patternsStr, char * ostypesStr,
|
| 23 |
int isWindows));
|
| 24 |
static void FreeClauses _ANSI_ARGS_((FileFilter * filterPtr));
|
| 25 |
static void FreeGlobPatterns _ANSI_ARGS_((
|
| 26 |
FileFilterClause * clausePtr));
|
| 27 |
static void FreeMacFileTypes _ANSI_ARGS_((
|
| 28 |
FileFilterClause * clausePtr));
|
| 29 |
static FileFilter * GetFilter _ANSI_ARGS_((FileFilterList * flistPtr,
|
| 30 |
char * name));
|
| 31 |
|
| 32 |
/*
|
| 33 |
*----------------------------------------------------------------------
|
| 34 |
*
|
| 35 |
* TkInitFileFilters --
|
| 36 |
*
|
| 37 |
* Initializes a FileFilterList data structure. A FileFilterList
|
| 38 |
* must be initialized EXACTLY ONCE before any calls to
|
| 39 |
* TkGetFileFilters() is made. The usual flow of control is:
|
| 40 |
* TkInitFileFilters(&flist);
|
| 41 |
* TkGetFileFilters(&flist, ...);
|
| 42 |
* TkGetFileFilters(&flist, ...);
|
| 43 |
* ...
|
| 44 |
* TkFreeFileFilters(&flist);
|
| 45 |
*
|
| 46 |
* Results:
|
| 47 |
* None.
|
| 48 |
*
|
| 49 |
* Side effects:
|
| 50 |
* The fields in flistPtr are initialized.
|
| 51 |
*----------------------------------------------------------------------
|
| 52 |
*/
|
| 53 |
|
| 54 |
void
|
| 55 |
TkInitFileFilters(flistPtr)
|
| 56 |
FileFilterList * flistPtr; /* The structure to be initialized. */
|
| 57 |
{
|
| 58 |
flistPtr->filters = NULL;
|
| 59 |
flistPtr->filtersTail = NULL;
|
| 60 |
flistPtr->numFilters = 0;
|
| 61 |
}
|
| 62 |
|
| 63 |
/*
|
| 64 |
*----------------------------------------------------------------------
|
| 65 |
*
|
| 66 |
* TkGetFileFilters --
|
| 67 |
*
|
| 68 |
* This function is called by the Mac and Windows implementation
|
| 69 |
* of tk_getOpenFile and tk_getSaveFile to translate the string
|
| 70 |
* value of the -filetypes option of into an easy-to-parse C
|
| 71 |
* structure (flistPtr). The caller of this function will then use
|
| 72 |
* flistPtr to perform filetype matching in a platform specific way.
|
| 73 |
*
|
| 74 |
* flistPtr must be initialized (See comments in TkInitFileFilters).
|
| 75 |
*
|
| 76 |
* Results:
|
| 77 |
* A standard TCL return value.
|
| 78 |
*
|
| 79 |
* Side effects:
|
| 80 |
* The fields in flistPtr are changed according to string.
|
| 81 |
*----------------------------------------------------------------------
|
| 82 |
*/
|
| 83 |
int
|
| 84 |
TkGetFileFilters(interp, flistPtr, string, isWindows)
|
| 85 |
Tcl_Interp *interp; /* Interpreter to use for error reporting. */
|
| 86 |
FileFilterList * flistPtr; /* Stores the list of file filters. */
|
| 87 |
char * string; /* Value of the -filetypes option. */
|
| 88 |
int isWindows; /* True if we are running on Windows. */
|
| 89 |
{
|
| 90 |
int listArgc;
|
| 91 |
char ** listArgv = NULL;
|
| 92 |
char ** typeInfo = NULL;
|
| 93 |
int code = TCL_OK;
|
| 94 |
int i;
|
| 95 |
|
| 96 |
if (Tcl_SplitList(interp, string, &listArgc, &listArgv) != TCL_OK) {
|
| 97 |
return TCL_ERROR;
|
| 98 |
}
|
| 99 |
if (listArgc == 0) {
|
| 100 |
goto done;
|
| 101 |
}
|
| 102 |
|
| 103 |
/*
|
| 104 |
* Free the filter information that have been allocated the previous
|
| 105 |
* time -- the -filefilters option may have been used more than once in
|
| 106 |
* the command line.
|
| 107 |
*/
|
| 108 |
TkFreeFileFilters(flistPtr);
|
| 109 |
|
| 110 |
for (i = 0; i<listArgc; i++) {
|
| 111 |
/*
|
| 112 |
* Each file type should have two or three elements: the first one
|
| 113 |
* is the name of the type and the second is the filter of the type.
|
| 114 |
* The third is the Mac OSType ID, but we don't care about them here.
|
| 115 |
*/
|
| 116 |
int count;
|
| 117 |
FileFilter * filterPtr;
|
| 118 |
|
| 119 |
if (Tcl_SplitList(interp, listArgv[i], &count, &typeInfo) != TCL_OK) {
|
| 120 |
code = TCL_ERROR;
|
| 121 |
goto done;
|
| 122 |
}
|
| 123 |
|
| 124 |
if (count != 2 && count != 3) {
|
| 125 |
Tcl_AppendResult(interp, "bad file type \"", listArgv[i], "\", ",
|
| 126 |
"should be \"typeName {extension ?extensions ...?} ",
|
| 127 |
"?{macType ?macTypes ...?}?\"", NULL);
|
| 128 |
code = TCL_ERROR;
|
| 129 |
goto done;
|
| 130 |
}
|
| 131 |
|
| 132 |
filterPtr = GetFilter(flistPtr, typeInfo[0]);
|
| 133 |
|
| 134 |
if (count == 2) {
|
| 135 |
code = AddClause(interp, filterPtr, typeInfo[1], NULL,
|
| 136 |
isWindows);
|
| 137 |
} else {
|
| 138 |
code = AddClause(interp, filterPtr, typeInfo[1], typeInfo[2],
|
| 139 |
isWindows);
|
| 140 |
}
|
| 141 |
if (code != TCL_OK) {
|
| 142 |
goto done;
|
| 143 |
}
|
| 144 |
|
| 145 |
if (typeInfo) {
|
| 146 |
ckfree((char*)typeInfo);
|
| 147 |
}
|
| 148 |
typeInfo = NULL;
|
| 149 |
}
|
| 150 |
|
| 151 |
done:
|
| 152 |
if (typeInfo) {
|
| 153 |
ckfree((char*)typeInfo);
|
| 154 |
}
|
| 155 |
if (listArgv) {
|
| 156 |
ckfree((char*)listArgv);
|
| 157 |
}
|
| 158 |
return code;
|
| 159 |
}
|
| 160 |
|
| 161 |
/*
|
| 162 |
*----------------------------------------------------------------------
|
| 163 |
*
|
| 164 |
* TkFreeFileFilters --
|
| 165 |
*
|
| 166 |
* Frees the malloc'ed file filter information.
|
| 167 |
*
|
| 168 |
* Results:
|
| 169 |
* None.
|
| 170 |
*
|
| 171 |
* Side effects:
|
| 172 |
* The fields allocated by TkGetFileFilters() are freed.
|
| 173 |
*----------------------------------------------------------------------
|
| 174 |
*/
|
| 175 |
|
| 176 |
void
|
| 177 |
TkFreeFileFilters(flistPtr)
|
| 178 |
FileFilterList * flistPtr; /* List of file filters to free */
|
| 179 |
{
|
| 180 |
FileFilter * filterPtr, *toFree;
|
| 181 |
|
| 182 |
filterPtr=flistPtr->filters;
|
| 183 |
while (filterPtr) {
|
| 184 |
toFree = filterPtr;
|
| 185 |
filterPtr=filterPtr->next;
|
| 186 |
FreeClauses(toFree);
|
| 187 |
ckfree((char*)toFree->name);
|
| 188 |
ckfree((char*)toFree);
|
| 189 |
}
|
| 190 |
flistPtr->filters = NULL;
|
| 191 |
}
|
| 192 |
|
| 193 |
/*
|
| 194 |
*----------------------------------------------------------------------
|
| 195 |
*
|
| 196 |
* AddClause --
|
| 197 |
*
|
| 198 |
* Add one FileFilterClause to filterPtr.
|
| 199 |
*
|
| 200 |
* Results:
|
| 201 |
* A standard TCL result.
|
| 202 |
*
|
| 203 |
* Side effects:
|
| 204 |
* The list of filter clauses are updated in filterPtr.
|
| 205 |
*----------------------------------------------------------------------
|
| 206 |
*/
|
| 207 |
|
| 208 |
static int AddClause(interp, filterPtr, patternsStr, ostypesStr, isWindows)
|
| 209 |
Tcl_Interp * interp; /* Interpreter to use for error reporting. */
|
| 210 |
FileFilter * filterPtr; /* Stores the new filter clause */
|
| 211 |
char * patternsStr; /* A TCL list of glob patterns. */
|
| 212 |
char * ostypesStr; /* A TCL list of Mac OSType strings. */
|
| 213 |
int isWindows; /* True if we are running on Windows; False
|
| 214 |
* if we are running on the Mac; Glob
|
| 215 |
* patterns need to be processed differently
|
| 216 |
* on these two platforms */
|
| 217 |
{
|
| 218 |
char ** globList = NULL;
|
| 219 |
int globCount;
|
| 220 |
char ** ostypeList = NULL;
|
| 221 |
int ostypeCount;
|
| 222 |
FileFilterClause * clausePtr;
|
| 223 |
int i;
|
| 224 |
int code = TCL_OK;
|
| 225 |
|
| 226 |
if (Tcl_SplitList(interp, patternsStr, &globCount, &globList)!= TCL_OK) {
|
| 227 |
code = TCL_ERROR;
|
| 228 |
goto done;
|
| 229 |
}
|
| 230 |
if (ostypesStr != NULL) {
|
| 231 |
if (Tcl_SplitList(interp, ostypesStr, &ostypeCount, &ostypeList)
|
| 232 |
!= TCL_OK) {
|
| 233 |
code = TCL_ERROR;
|
| 234 |
goto done;
|
| 235 |
}
|
| 236 |
for (i=0; i<ostypeCount; i++) {
|
| 237 |
if (strlen(ostypeList[i]) != 4) {
|
| 238 |
Tcl_AppendResult(interp, "bad Macintosh file type \"",
|
| 239 |
ostypeList[i], "\"", NULL);
|
| 240 |
code = TCL_ERROR;
|
| 241 |
goto done;
|
| 242 |
}
|
| 243 |
}
|
| 244 |
}
|
| 245 |
|
| 246 |
/*
|
| 247 |
* Add the clause into the list of clauses
|
| 248 |
*/
|
| 249 |
|
| 250 |
clausePtr = (FileFilterClause*)ckalloc(sizeof(FileFilterClause));
|
| 251 |
clausePtr->patterns = NULL;
|
| 252 |
clausePtr->patternsTail = NULL;
|
| 253 |
clausePtr->macTypes = NULL;
|
| 254 |
clausePtr->macTypesTail = NULL;
|
| 255 |
|
| 256 |
if (filterPtr->clauses == NULL) {
|
| 257 |
filterPtr->clauses = filterPtr->clausesTail = clausePtr;
|
| 258 |
} else {
|
| 259 |
filterPtr->clausesTail->next = clausePtr;
|
| 260 |
filterPtr->clausesTail = clausePtr;
|
| 261 |
}
|
| 262 |
clausePtr->next = NULL;
|
| 263 |
|
| 264 |
if (globCount > 0 && globList != NULL) {
|
| 265 |
for (i=0; i<globCount; i++) {
|
| 266 |
GlobPattern * globPtr = (GlobPattern*)ckalloc(sizeof(GlobPattern));
|
| 267 |
int len;
|
| 268 |
|
| 269 |
len = (strlen(globList[i]) + 1) * sizeof(char);
|
| 270 |
|
| 271 |
if (globList[i][0] && globList[i][0] != '*') {
|
| 272 |
/*
|
| 273 |
* Prepend a "*" to patterns that do not have a leading "*"
|
| 274 |
*/
|
| 275 |
globPtr->pattern = (char*)ckalloc(len+1);
|
| 276 |
globPtr->pattern[0] = '*';
|
| 277 |
strcpy(globPtr->pattern+1, globList[i]);
|
| 278 |
}
|
| 279 |
else if (isWindows) {
|
| 280 |
if (strcmp(globList[i], "*") == 0) {
|
| 281 |
globPtr->pattern = (char*)ckalloc(4*sizeof(char));
|
| 282 |
strcpy(globPtr->pattern, "*.*");
|
| 283 |
}
|
| 284 |
else if (strcmp(globList[i], "") == 0) {
|
| 285 |
/*
|
| 286 |
* An empty string means "match all files with no
|
| 287 |
* extensions"
|
| 288 |
* BUG: "*." actually matches with all files on Win95
|
| 289 |
*/
|
| 290 |
globPtr->pattern = (char*)ckalloc(3*sizeof(char));
|
| 291 |
strcpy(globPtr->pattern, "*.");
|
| 292 |
}
|
| 293 |
else {
|
| 294 |
globPtr->pattern = (char*)ckalloc(len);
|
| 295 |
strcpy(globPtr->pattern, globList[i]);
|
| 296 |
}
|
| 297 |
} else {
|
| 298 |
globPtr->pattern = (char*)ckalloc(len);
|
| 299 |
strcpy(globPtr->pattern, globList[i]);
|
| 300 |
}
|
| 301 |
|
| 302 |
/*
|
| 303 |
* Add the glob pattern into the list of patterns.
|
| 304 |
*/
|
| 305 |
|
| 306 |
if (clausePtr->patterns == NULL) {
|
| 307 |
clausePtr->patterns = clausePtr->patternsTail = globPtr;
|
| 308 |
} else {
|
| 309 |
clausePtr->patternsTail->next = globPtr;
|
| 310 |
clausePtr->patternsTail = globPtr;
|
| 311 |
}
|
| 312 |
globPtr->next = NULL;
|
| 313 |
}
|
| 314 |
}
|
| 315 |
if (ostypeCount > 0 && ostypeList != NULL) {
|
| 316 |
for (i=0; i<ostypeCount; i++) {
|
| 317 |
MacFileType * mfPtr = (MacFileType*)ckalloc(sizeof(MacFileType));
|
| 318 |
|
| 319 |
memcpy(&mfPtr->type, ostypeList[i], sizeof(OSType));
|
| 320 |
|
| 321 |
/*
|
| 322 |
* Add the Mac type pattern into the list of Mac types
|
| 323 |
*/
|
| 324 |
if (clausePtr->macTypes == NULL) {
|
| 325 |
clausePtr->macTypes = clausePtr->macTypesTail = mfPtr;
|
| 326 |
} else {
|
| 327 |
clausePtr->macTypesTail->next = mfPtr;
|
| 328 |
clausePtr->macTypesTail = mfPtr;
|
| 329 |
}
|
| 330 |
mfPtr->next = NULL;
|
| 331 |
}
|
| 332 |
}
|
| 333 |
|
| 334 |
done:
|
| 335 |
if (globList) {
|
| 336 |
ckfree((char*)globList);
|
| 337 |
}
|
| 338 |
if (ostypeList) {
|
| 339 |
ckfree((char*)ostypeList);
|
| 340 |
}
|
| 341 |
|
| 342 |
return code;
|
| 343 |
}
|
| 344 |
|
| 345 |
/*
|
| 346 |
*----------------------------------------------------------------------
|
| 347 |
*
|
| 348 |
* GetFilter --
|
| 349 |
*
|
| 350 |
* Add one FileFilter to flistPtr.
|
| 351 |
*
|
| 352 |
* Results:
|
| 353 |
* A standard TCL result.
|
| 354 |
*
|
| 355 |
* Side effects:
|
| 356 |
* The list of filters are updated in flistPtr.
|
| 357 |
*----------------------------------------------------------------------
|
| 358 |
*/
|
| 359 |
|
| 360 |
static FileFilter * GetFilter(flistPtr, name)
|
| 361 |
FileFilterList * flistPtr; /* The FileFilterList that contains the
|
| 362 |
* newly created filter */
|
| 363 |
char * name; /* Name of the filter. It is usually displayed
|
| 364 |
* in the "File Types" listbox in the file
|
| 365 |
* dialogs. */
|
| 366 |
{
|
| 367 |
FileFilter * filterPtr;
|
| 368 |
|
| 369 |
for (filterPtr=flistPtr->filters; filterPtr; filterPtr=filterPtr->next) {
|
| 370 |
if (strcmp(filterPtr->name, name)==0) {
|
| 371 |
return filterPtr;
|
| 372 |
}
|
| 373 |
}
|
| 374 |
|
| 375 |
filterPtr = (FileFilter*)ckalloc(sizeof(FileFilter));
|
| 376 |
filterPtr->clauses = NULL;
|
| 377 |
filterPtr->clausesTail = NULL;
|
| 378 |
filterPtr->name = (char*)ckalloc((strlen(name)+1) * sizeof(char));
|
| 379 |
strcpy(filterPtr->name, name);
|
| 380 |
|
| 381 |
if (flistPtr->filters == NULL) {
|
| 382 |
flistPtr->filters = flistPtr->filtersTail = filterPtr;
|
| 383 |
} else {
|
| 384 |
flistPtr->filtersTail->next = filterPtr;
|
| 385 |
flistPtr->filtersTail = filterPtr;
|
| 386 |
}
|
| 387 |
filterPtr->next = NULL;
|
| 388 |
|
| 389 |
++flistPtr->numFilters;
|
| 390 |
return filterPtr;
|
| 391 |
}
|
| 392 |
|
| 393 |
/*
|
| 394 |
*----------------------------------------------------------------------
|
| 395 |
*
|
| 396 |
* FreeClauses --
|
| 397 |
*
|
| 398 |
* Frees the malloc'ed file type clause
|
| 399 |
*
|
| 400 |
* Results:
|
| 401 |
* None.
|
| 402 |
*
|
| 403 |
* Side effects:
|
| 404 |
* The list of clauses in filterPtr->clauses are freed.
|
| 405 |
*----------------------------------------------------------------------
|
| 406 |
*/
|
| 407 |
|
| 408 |
static void
|
| 409 |
FreeClauses(filterPtr)
|
| 410 |
FileFilter * filterPtr; /* FileFilter whose clauses are to be freed */
|
| 411 |
{
|
| 412 |
FileFilterClause * clausePtr, * toFree;
|
| 413 |
|
| 414 |
clausePtr = filterPtr->clauses;
|
| 415 |
while (clausePtr) {
|
| 416 |
toFree = clausePtr;
|
| 417 |
clausePtr=clausePtr->next;
|
| 418 |
FreeGlobPatterns(toFree);
|
| 419 |
FreeMacFileTypes(toFree);
|
| 420 |
ckfree((char*)toFree);
|
| 421 |
}
|
| 422 |
filterPtr->clauses = NULL;
|
| 423 |
filterPtr->clausesTail = NULL;
|
| 424 |
}
|
| 425 |
|
| 426 |
/*
|
| 427 |
*----------------------------------------------------------------------
|
| 428 |
*
|
| 429 |
* FreeGlobPatterns --
|
| 430 |
*
|
| 431 |
* Frees the malloc'ed glob patterns in a clause
|
| 432 |
*
|
| 433 |
* Results:
|
| 434 |
* None.
|
| 435 |
*
|
| 436 |
* Side effects:
|
| 437 |
* The list of glob patterns in clausePtr->patterns are freed.
|
| 438 |
*----------------------------------------------------------------------
|
| 439 |
*/
|
| 440 |
|
| 441 |
static void
|
| 442 |
FreeGlobPatterns(clausePtr)
|
| 443 |
FileFilterClause * clausePtr;/* The clause whose patterns are to be freed*/
|
| 444 |
{
|
| 445 |
GlobPattern * globPtr, * toFree;
|
| 446 |
|
| 447 |
globPtr = clausePtr->patterns;
|
| 448 |
while (globPtr) {
|
| 449 |
toFree = globPtr;
|
| 450 |
globPtr=globPtr->next;
|
| 451 |
|
| 452 |
ckfree((char*)toFree->pattern);
|
| 453 |
ckfree((char*)toFree);
|
| 454 |
}
|
| 455 |
clausePtr->patterns = NULL;
|
| 456 |
}
|
| 457 |
|
| 458 |
/*
|
| 459 |
*----------------------------------------------------------------------
|
| 460 |
*
|
| 461 |
* FreeMacFileTypes --
|
| 462 |
*
|
| 463 |
* Frees the malloc'ed Mac file types in a clause
|
| 464 |
*
|
| 465 |
* Results:
|
| 466 |
* None.
|
| 467 |
*
|
| 468 |
* Side effects:
|
| 469 |
* The list of Mac file types in clausePtr->macTypes are freed.
|
| 470 |
*----------------------------------------------------------------------
|
| 471 |
*/
|
| 472 |
|
| 473 |
static void
|
| 474 |
FreeMacFileTypes(clausePtr)
|
| 475 |
FileFilterClause * clausePtr; /* The clause whose mac types are to be
|
| 476 |
* freed */
|
| 477 |
{
|
| 478 |
MacFileType * mfPtr, * toFree;
|
| 479 |
|
| 480 |
mfPtr = clausePtr->macTypes;
|
| 481 |
while (mfPtr) {
|
| 482 |
toFree = mfPtr;
|
| 483 |
mfPtr=mfPtr->next;
|
| 484 |
ckfree((char*)toFree);
|
| 485 |
}
|
| 486 |
clausePtr->macTypes = NULL;
|
| 487 |
}
|
| 488 |
|
| 489 |
|
| 490 |
/* $History: tkFileFilter.c $
|
| 491 |
*
|
| 492 |
* ***************** Version 1 *****************
|
| 493 |
* User: Dtashley Date: 1/02/01 Time: 2:49a
|
| 494 |
* Created in $/IjuScripter, IjuConsole/Source/Tk Base
|
| 495 |
* Initial check-in.
|
| 496 |
*/
|
| 497 |
|
| 498 |
/* End of TKFILEFILTER.C */ |
Parent Directory
| 
Revision Log