granicus.if.org Git - imagemagick/blob - magick/coder.c

   1 /*
   2 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
   3 %                                                                             %
   4 %                                                                             %
   5 %                                                                             %
   6 %                   CCCC   OOO   DDDD    EEEEE  RRRR                          %
   7 %                  C      O   O  D   D   E      R   R                         %
   8 %                  C      O   O  D   D   EEE    RRRR                          %
   9 %                  C      O   O  D   D   E      R R                           %
  10 %                   CCCC   OOO   DDDD    EEEEE  R  R                          %
  11 %                                                                             %
  12 %                                                                             %
  13 %                     MagickCore Image Coder Methods                          %
  14 %                                                                             %
  15 %                              Software Design                                %
  16 %                                John Cristy                                  %
  17 %                                 May 2001                                    %
  18 %                                                                             %
  19 %                                                                             %
  20 %  Copyright 1999-2009 ImageMagick Studio LLC, a non-profit organization      %
  21 %  dedicated to making software imaging solutions freely available.           %
  22 %                                                                             %
  23 %  You may not use this file except in compliance with the License.  You may  %
  24 %  obtain a copy of the License at                                            %
  25 %                                                                             %
  26 %    http://www.imagemagick.org/script/license.php                            %
  27 %                                                                             %
  28 %  Unless required by applicable law or agreed to in writing, software        %
  29 %  distributed under the License is distributed on an "AS IS" BASIS,          %
  30 %  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   %
  31 %  See the License for the specific language governing permissions and        %
  32 %  limitations under the License.                                             %
  33 %                                                                             %
  34 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
  35 %
  36 %
  37 */
  38 \f
  39 /*
  40   Include declarations.
  41 */
  42 #include "magick/studio.h"
  43 #include "magick/blob.h"
  44 #include "magick/client.h"
  45 #include "magick/coder.h"
  46 #include "magick/configure.h"
  47 #include "magick/draw.h"
  48 #include "magick/exception.h"
  49 #include "magick/exception-private.h"
  50 #include "magick/hashmap.h"
  51 #include "magick/log.h"
  52 #include "magick/memory_.h"
  53 #include "magick/option.h"
  54 #include "magick/semaphore.h"
  55 #include "magick/string_.h"
  56 #include "magick/splay-tree.h"
  57 #include "magick/token.h"
  58 #include "magick/utility.h"
  59 #include "magick/xml-tree.h"
  60 \f
  61 /*
  62   Define declarations.
  63 */
  64 #define MagickCoderFilename  "coder.xml"
  65 \f
  66 /*
  67   Static declarations.
  68 */
  69 typedef struct _CoderMapInfo
  70 {
  71   const char
  72     *magick,
  73     *name;
  74 } CoderMapInfo;
  75
  76 static const CoderMapInfo
  77   CoderMap[] =
  78   {
  79     { "3FR", "DNG" },
  80     { "8BIM", "META" },
  81     { "8BIMTEXT", "META" },
  82     { "8BIMWTEXT", "META" },
  83     { "AFM", "TTF" },
  84     { "A", "RAW" },
  85     { "AI", "PDF" },
  86     { "APP1JPEG", "META" },
  87     { "APP1", "META" },
  88     { "ARW", "DNG" },
  89     { "BIE", "JBIG" },
  90     { "BMP2", "BMP" },
  91     { "BMP3", "BMP" },
  92     { "B", "RAW" },
  93     { "BRF", "BRAILLE" },
  94     { "BGR", "RGB" },
  95     { "BRG", "RGB" },
  96     { "CMYKA", "CMYK" },
  97     { "C", "RAW" },
  98     { "CAL", "CALS" },
  99     { "CR2", "DNG" },
 100     { "CRW", "DNG" },
 101     { "CUR", "ICON" },
 102     { "DCR", "DNG" },
 103     { "DCX", "PCX" },
 104     { "DFONT", "TTF" },
 105     { "EPDF", "PDF" },
 106     { "EPI", "PS" },
 107     { "EPS2", "PS2" },
 108     { "EPS3", "PS3" },
 109     { "EPSF", "PS" },
 110     { "EPSI", "PS" },
 111     { "EPS", "PS" },
 112     { "EPT2", "EPT" },
 113     { "EPT3", "EPT" },
 114     { "ERF", "DNG" },
 115     { "EXIF", "META" },
 116     { "FILE", "URL" },
 117     { "FRACTAL", "PLASMA" },
 118     { "FTP", "URL" },
 119     { "FTS", "FITS" },
 120     { "G3", "FAX" },
 121     { "GIF87", "GIF" },
 122     { "G", "RAW" },
 123     { "GBR", "RGB" },
 124     { "GRB", "RGB" },
 125     { "GRANITE", "MAGICK" },
 126     { "GROUP4", "TIFF" },
 127     { "K25", "DNG" },
 128     { "KDC", "DNG" },
 129     { "H", "MAGICK" },
 130     { "HTM", "HTML" },
 131     { "HTTP", "URL" },
 132     { "ICB", "TGA" },
 133     { "ICC", "META" },
 134     { "ICM", "META" },
 135     { "ICO", "ICON" },
 136     { "IMPLICIT", "***" },
 137     { "IPTC", "META" },
 138     { "IPTCTEXT", "META" },
 139     { "IPTCWTEXT", "META" },
 140     { "ISOBRL", "BRAILLE" },
 141     { "JBG", "JBIG" },
 142     { "JNG", "PNG" },
 143     { "JPC", "JP2" },
 144     { "JPG", "JPEG" },
 145     { "JPX", "JP2" },
 146     { "K", "RAW" },
 147     { "LOGO", "MAGICK" },
 148     { "M2V", "MPEG" },
 149     { "M4V", "MPEG" },
 150     { "M", "RAW" },
 151     { "MNG", "PNG" },
 152     { "MOV", "PNG" },
 153     { "MP4", "MPEG" },
 154     { "MPG", "MPEG" },
 155     { "MPRI", "MPR" },
 156     { "MRW", "DNG" },
 157     { "MSVG", "SVG" },
 158     { "NEF", "DNG" },
 159     { "NETSCAPE", "MAGICK" },
 160     { "O", "RAW" },
 161     { "ORF", "DNG" },
 162     { "OTF", "TTF" },
 163     { "P7", "PNM" },
 164     { "PAL", "UYVY" },
 165     { "PAM", "PNM" },
 166     { "PBM", "PNM" },
 167     { "PCDS", "PCD" },
 168     { "PDFA", "PDF" },
 169     { "PEF", "DNG" },
 170     { "PEF", "DNG" },
 171     { "PFA", "TTF" },
 172     { "PFB", "TTF" },
 173     { "PFM", "PNM" },
 174     { "PGM", "PNM" },
 175     { "PGX", "JP2" },
 176     { "PICON", "XPM" },
 177     { "PJPEG", "JPEG" },
 178     { "PM", "XPM" },
 179     { "PNG24", "PNG" },
 180     { "PNG32", "PNG" },
 181     { "PNG8", "PNG" },
 182     { "PPM", "PNM" },
 183     { "PTIF", "TIFF" },
 184     { "RADIAL-GRADIENT", "GRADIENT" },
 185     { "RAF", "DNG" },
 186     { "RAS", "SUN" },
 187     { "RBG", "RGB" },
 188     { "RGBA", "RGB" },
 189     { "RGBO", "RGB" },
 190     { "R", "RAW" },
 191     { "ROSE", "MAGICK" },
 192     { "SHTML", "HTML" },
 193     { "SR2", "DNG" },
 194     { "SRF", "DNG" },
 195     { "SVGZ", "SVG" },
 196     { "TEXT", "TXT" },
 197     { "TIFF64", "TIFF" },
 198     { "TIF", "TIFF" },
 199     { "TTC", "TTF" },
 200     { "UBRL", "BRAILLE" },
 201     { "VDA", "TGA" },
 202     { "VST", "TGA" },
 203     { "WMV", "MPEG" },
 204     { "WMFWIN32", "EMF" },
 205     { "WMZ", "WMF" },
 206     { "X3f", "DNG" },
 207     { "XMP", "META" },
 208     { "XTRNARRAY", "XTRN" },
 209     { "XTRNBLOB", "XTRN" },
 210     { "XTRNBSTR", "XTRN" },
 211     { "XTRNFILE", "XTRN" },
 212     { "XTRNIMAGE", "XTRN" },
 213     { "XTRNSTREAM", "XTRN" },
 214     { "XV", "VIFF" },
 215     { "Y", "RAW" },
 216     { "YCbCrA", "YCbCr" },
 217     { (const char *) NULL, (const char *) NULL }
 218  };
 219
 220 static SemaphoreInfo
 221   *coder_semaphore = (SemaphoreInfo *) NULL;
 222
 223 static SplayTreeInfo
 224   *coder_list = (SplayTreeInfo *) NULL;
 225
 226 static volatile MagickBooleanType
 227   instantiate_coder = MagickFalse;
 228 \f
 229 /*
 230   Forward declarations.
 231 */
 232 static MagickBooleanType
 233   InitializeCoderList(ExceptionInfo *),
 234   LoadCoderLists(const char *,ExceptionInfo *);
 235 \f
 236 /*
 237 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 238 %                                                                             %
 239 %                                                                             %
 240 %                                                                             %
 241 +   D e s t r o y C o d e r C o m p o n e n t                                 %
 242 %                                                                             %
 243 %                                                                             %
 244 %                                                                             %
 245 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 246 %
 247 %  DestroyCoderComponent() destroys the coder component.
 248 %
 249 %  The format of the DestroyCoderComponent method is:
 250 %
 251 %      DestroyCoderComponent(void)
 252 %
 253 */
 254 MagickExport void DestroyCoderComponent(void)
 255 {
 256   AcquireSemaphoreInfo(&coder_semaphore);
 257   if (coder_list != (SplayTreeInfo *) NULL)
 258     coder_list=DestroySplayTree(coder_list);
 259   instantiate_coder=MagickFalse;
 260   RelinquishSemaphoreInfo(coder_semaphore);
 261   DestroySemaphoreInfo(&coder_semaphore);
 262 }
 263 \f
 264 /*
 265 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 266 %                                                                             %
 267 %                                                                             %
 268 %                                                                             %
 269 +   G e t C o d e r I n f o                                                   %
 270 %                                                                             %
 271 %                                                                             %
 272 %                                                                             %
 273 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 274 %
 275 %  GetCoderInfo searches the coder list for the specified name and if found
 276 %  returns attributes for that coder.
 277 %
 278 %  The format of the GetCoderInfo method is:
 279 %
 280 %      const CoderInfo *GetCoderInfo(const char *name,ExceptionInfo *exception)
 281 %
 282 %  A description of each parameter follows:
 283 %
 284 %    o name: the coder name.
 285 %
 286 %    o exception: return any errors or warnings in this structure.
 287 %
 288 */
 289 MagickExport const CoderInfo *GetCoderInfo(const char *name,
 290   ExceptionInfo *exception)
 291 {
 292   assert(exception != (ExceptionInfo *) NULL);
 293   if ((coder_list == (SplayTreeInfo *) NULL) ||
 294       (instantiate_coder == MagickFalse))
 295     if (InitializeCoderList(exception) == MagickFalse)
 296       return((const CoderInfo *) NULL);
 297   if ((coder_list == (SplayTreeInfo *) NULL) ||
 298       (GetNumberOfNodesInSplayTree(coder_list) == 0))
 299     return((const CoderInfo *) NULL);
 300   if ((name == (const char *) NULL) || (LocaleCompare(name,"*") == 0))
 301     {
 302       ResetSplayTreeIterator(coder_list);
 303       return((const CoderInfo *) GetNextValueInSplayTree(coder_list));
 304     }
 305   return((const CoderInfo *) GetValueFromSplayTree(coder_list,name));
 306 }
 307 \f
 308 /*
 309 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 310 %                                                                             %
 311 %                                                                             %
 312 %                                                                             %
 313 %   G e t C o d e r I n f o L i s t                                           %
 314 %                                                                             %
 315 %                                                                             %
 316 %                                                                             %
 317 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 318 %
 319 %  GetCoderInfoList() returns any coder_map that match the specified pattern.
 320 %  The format of the GetCoderInfoList function is:
 321 %
 322 %      const CoderInfo **GetCoderInfoList(const char *pattern,
 323 %        unsigned long *number_coders,ExceptionInfo *exception)
 324 %
 325 %  A description of each parameter follows:
 326 %
 327 %    o pattern: Specifies a pointer to a text string containing a pattern.
 328 %
 329 %    o number_coders:  This integer returns the number of coders in the list.
 330 %
 331 %    o exception: return any errors or warnings in this structure.
 332 %
 333 */
 334
 335 static int CoderInfoCompare(const void *x,const void *y)
 336 {
 337   const CoderInfo
 338     **p,
 339     **q;
 340
 341   p=(const CoderInfo **) x,
 342   q=(const CoderInfo **) y;
 343   if (LocaleCompare((*p)->path,(*q)->path) == 0)
 344     return(LocaleCompare((*p)->name,(*q)->name));
 345   return(LocaleCompare((*p)->path,(*q)->path));
 346 }
 347
 348 MagickExport const CoderInfo **GetCoderInfoList(const char *pattern,
 349   unsigned long *number_coders,ExceptionInfo *exception)
 350 {
 351   const CoderInfo
 352     **coder_map;
 353
 354   register const CoderInfo
 355     *p;
 356
 357   register long
 358     i;
 359
 360   /*
 361     Allocate coder list.
 362   */
 363   assert(pattern != (char *) NULL);
 364   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
 365   assert(number_coders != (unsigned long *) NULL);
 366   *number_coders=0;
 367   p=GetCoderInfo("*",exception);
 368   if (p == (const CoderInfo *) NULL)
 369     return((const CoderInfo **) NULL);
 370   coder_map=(const CoderInfo **) AcquireQuantumMemory((size_t)
 371     GetNumberOfNodesInSplayTree(coder_list)+1UL,sizeof(*coder_map));
 372   if (coder_map == (const CoderInfo **) NULL)
 373     return((const CoderInfo **) NULL);
 374   /*
 375     Generate coder list.
 376   */
 377   AcquireSemaphoreInfo(&coder_semaphore);
 378   ResetSplayTreeIterator(coder_list);
 379   p=(const CoderInfo *) GetNextValueInSplayTree(coder_list);
 380   for (i=0; p != (const CoderInfo *) NULL; )
 381   {
 382     if ((p->stealth == MagickFalse) &&
 383         (GlobExpression(p->name,pattern,MagickFalse) != MagickFalse))
 384       coder_map[i++]=p;
 385     p=(const CoderInfo *) GetNextValueInSplayTree(coder_list);
 386   }
 387   RelinquishSemaphoreInfo(coder_semaphore);
 388   qsort((void *) coder_map,(size_t) i,sizeof(*coder_map),CoderInfoCompare);
 389   coder_map[i]=(CoderInfo *) NULL;
 390   *number_coders=(unsigned long) i;
 391   return(coder_map);
 392 }
 393 \f
 394 /*
 395 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 396 %                                                                             %
 397 %                                                                             %
 398 %                                                                             %
 399 %   G e t C o d e r L i s t                                                   %
 400 %                                                                             %
 401 %                                                                             %
 402 %                                                                             %
 403 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 404 %
 405 %  GetCoderList() returns any coder_map that match the specified pattern.
 406 %
 407 %  The format of the GetCoderList function is:
 408 %
 409 %      char **GetCoderList(const char *pattern,unsigned long *number_coders,
 410 %        ExceptionInfo *exception)
 411 %
 412 %  A description of each parameter follows:
 413 %
 414 %    o pattern: Specifies a pointer to a text string containing a pattern.
 415 %
 416 %    o number_coders:  This integer returns the number of coders in the list.
 417 %
 418 %    o exception: return any errors or warnings in this structure.
 419 %
 420 */
 421
 422 static int CoderCompare(const void *x,const void *y)
 423 {
 424   register const char
 425     **p,
 426     **q;
 427
 428   p=(const char **) x;
 429   q=(const char **) y;
 430   return(LocaleCompare(*p,*q));
 431 }
 432
 433 MagickExport char **GetCoderList(const char *pattern,
 434   unsigned long *number_coders,ExceptionInfo *exception)
 435 {
 436   char
 437     **coder_map;
 438
 439   register const CoderInfo
 440     *p;
 441
 442   register long
 443     i;
 444
 445   /*
 446     Allocate coder list.
 447   */
 448   assert(pattern != (char *) NULL);
 449   (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",pattern);
 450   assert(number_coders != (unsigned long *) NULL);
 451   *number_coders=0;
 452   p=GetCoderInfo("*",exception);
 453   if (p == (const CoderInfo *) NULL)
 454     return((char **) NULL);
 455   coder_map=(char **) AcquireQuantumMemory((size_t)
 456     GetNumberOfNodesInSplayTree(coder_list)+1UL,sizeof(*coder_map));
 457   if (coder_map == (char **) NULL)
 458     return((char **) NULL);
 459   /*
 460     Generate coder list.
 461   */
 462   AcquireSemaphoreInfo(&coder_semaphore);
 463   ResetSplayTreeIterator(coder_list);
 464   p=(const CoderInfo *) GetNextValueInSplayTree(coder_list);
 465   for (i=0; p != (const CoderInfo *) NULL; )
 466   {
 467     if ((p->stealth == MagickFalse) &&
 468         (GlobExpression(p->name,pattern,MagickFalse) != MagickFalse))
 469       coder_map[i++]=ConstantString(p->name);
 470     p=(const CoderInfo *) GetNextValueInSplayTree(coder_list);
 471   }
 472   RelinquishSemaphoreInfo(coder_semaphore);
 473   qsort((void *) coder_map,(size_t) i,sizeof(*coder_map),CoderCompare);
 474   coder_map[i]=(char *) NULL;
 475   *number_coders=(unsigned long) i;
 476   return(coder_map);
 477 }
 478 \f
 479 /*
 480 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 481 %                                                                             %
 482 %                                                                             %
 483 %                                                                             %
 484 +   I n i t i a l i z e C o d e r L i s t                                     %
 485 %                                                                             %
 486 %                                                                             %
 487 %                                                                             %
 488 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 489 %
 490 %  InitializeCoderList() initializes the coder list.
 491 %
 492 %  The format of the InitializeCoderList method is:
 493 %
 494 %      MagickBooleanType InitializeCoderList(ExceptionInfo *exception)
 495 %
 496 %  A description of each parameter follows.
 497 %
 498 %    o exception: return any errors or warnings in this structure.
 499 %
 500 */
 501 static MagickBooleanType InitializeCoderList(ExceptionInfo *exception)
 502 {
 503   if ((coder_list == (SplayTreeInfo *) NULL) &&
 504       (instantiate_coder == MagickFalse))
 505     {
 506       AcquireSemaphoreInfo(&coder_semaphore);
 507       if ((coder_list == (SplayTreeInfo *) NULL) &&
 508           (instantiate_coder == MagickFalse))
 509         {
 510           (void) LoadCoderLists(MagickCoderFilename,exception);
 511           instantiate_coder=MagickTrue;
 512         }
 513       RelinquishSemaphoreInfo(coder_semaphore);
 514     }
 515   return(coder_list != (SplayTreeInfo *) NULL ? MagickTrue : MagickFalse);
 516 }
 517 \f
 518 /*
 519 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 520 %                                                                             %
 521 %                                                                             %
 522 %                                                                             %
 523 +   I n s t a n t i a t e C o d e r C o m p o n e n t                         %
 524 %                                                                             %
 525 %                                                                             %
 526 %                                                                             %
 527 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 528 %
 529 %  InstantiateCoderComponent() instantiates the coder component.
 530 %
 531 %  The format of the InstantiateCoderComponent method is:
 532 %
 533 %      MagickBooleanType InstantiateCoderComponent(void)
 534 %
 535 */
 536 MagickExport MagickBooleanType InstantiateCoderComponent(void)
 537 {
 538   AcquireSemaphoreInfo(&coder_semaphore);
 539   RelinquishSemaphoreInfo(coder_semaphore);
 540   return(MagickTrue);
 541 }
 542 \f
 543 /*
 544 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 545 %                                                                             %
 546 %                                                                             %
 547 %                                                                             %
 548 %  L i s t C o d e r I n f o                                                  %
 549 %                                                                             %
 550 %                                                                             %
 551 %                                                                             %
 552 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 553 %
 554 %  ListCoderInfo() lists the coder info to a file.
 555 %
 556 %  The format of the ListCoderInfo coder is:
 557 %
 558 %      MagickBooleanType ListCoderInfo(FILE *file,ExceptionInfo *exception)
 559 %
 560 %  A description of each parameter follows.
 561 %
 562 %    o file:  An pointer to a FILE.
 563 %
 564 %    o exception: return any errors or warnings in this structure.
 565 %
 566 */
 567 MagickExport MagickBooleanType ListCoderInfo(FILE *file,
 568   ExceptionInfo *exception)
 569 {
 570   const char
 571     *path;
 572
 573   const CoderInfo
 574     **coder_info;
 575
 576   long
 577     j;
 578
 579   register long
 580     i;
 581
 582   unsigned long
 583     number_coders;
 584
 585   if (file == (const FILE *) NULL)
 586     file=stdout;
 587   coder_info=GetCoderInfoList("*",&number_coders,exception);
 588   if (coder_info == (const CoderInfo **) NULL)
 589     return(MagickFalse);
 590   path=(const char *) NULL;
 591   for (i=0; i < (long) number_coders; i++)
 592   {
 593     if (coder_info[i]->stealth != MagickFalse)
 594       continue;
 595     if ((path == (const char *) NULL) ||
 596         (LocaleCompare(path,coder_info[i]->path) != 0))
 597       {
 598         if (coder_info[i]->path != (char *) NULL)
 599           (void) fprintf(file,"\nPath: %s\n\n",coder_info[i]->path);
 600         (void) fprintf(file,"Magick      Coder\n");
 601         (void) fprintf(file,"-------------------------------------------------"
 602           "------------------------------\n");
 603       }
 604     path=coder_info[i]->path;
 605     (void) fprintf(file,"%s",coder_info[i]->magick);
 606     for (j=(long) strlen(coder_info[i]->magick); j <= 11; j++)
 607       (void) fprintf(file," ");
 608     if (coder_info[i]->name != (char *) NULL)
 609       (void) fprintf(file,"%s",coder_info[i]->name);
 610     (void) fprintf(file,"\n");
 611   }
 612   coder_info=(const CoderInfo **) RelinquishMagickMemory((void *) coder_info);
 613   (void) fflush(file);
 614   return(MagickTrue);
 615 }
 616 \f
 617 /*
 618 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 619 %                                                                             %
 620 %                                                                             %
 621 %                                                                             %
 622 +   L o a d C o d e r L i s t                                                 %
 623 %                                                                             %
 624 %                                                                             %
 625 %                                                                             %
 626 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 627 %
 628 %  LoadCoderList() loads the coder configuration file which provides a
 629 %  mapping between coder attributes and a coder name.
 630 %
 631 %  The format of the LoadCoderList coder is:
 632 %
 633 %      MagickBooleanType LoadCoderList(const char *xml,const char *filename,
 634 %        const unsigned long depth,ExceptionInfo *exception)
 635 %
 636 %  A description of each parameter follows:
 637 %
 638 %    o xml:  The coder list in XML format.
 639 %
 640 %    o filename:  The coder list filename.
 641 %
 642 %    o depth: depth of <include /> statements.
 643 %
 644 %    o exception: return any errors or warnings in this structure.
 645 %
 646 */
 647
 648 static void *DestroyCoderNode(void *coder_info)
 649 {
 650   register CoderInfo
 651     *p;
 652
 653   p=(CoderInfo *) coder_info;
 654   if (p->exempt == MagickFalse)
 655     {
 656       if (p->path != (char *) NULL)
 657         p->path=DestroyString(p->path);
 658       if (p->name != (char *) NULL)
 659         p->name=DestroyString(p->name);
 660       if (p->magick != (char *) NULL)
 661         p->magick=DestroyString(p->magick);
 662     }
 663   return(RelinquishMagickMemory(p));
 664 }
 665
 666 static MagickBooleanType LoadCoderList(const char *xml,const char *filename,
 667   const unsigned long depth,ExceptionInfo *exception)
 668 {
 669   char
 670     keyword[MaxTextExtent],
 671     *token;
 672
 673   const char
 674     *q;
 675
 676   CoderInfo
 677     *coder_info;
 678
 679   MagickBooleanType
 680     status;
 681
 682   /*
 683     Load the coder map file.
 684   */
 685   (void) LogMagickEvent(ConfigureEvent,GetMagickModule(),
 686     "Loading coder configuration file \"%s\" ...",filename);
 687   if (xml == (const char *) NULL)
 688     return(MagickFalse);
 689   if (coder_list == (SplayTreeInfo *) NULL)
 690     {
 691       coder_list=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory,
 692         DestroyCoderNode);
 693       if (coder_list == (SplayTreeInfo *) NULL)
 694         {
 695           ThrowFileException(exception,ResourceLimitError,
 696             "MemoryAllocationFailed",filename);
 697           return(MagickFalse);
 698         }
 699     }
 700   status=MagickTrue;
 701   coder_info=(CoderInfo *) NULL;
 702   token=AcquireString(xml);
 703   for (q=(char *) xml; *q != '\0'; )
 704   {
 705     /*
 706       Interpret XML.
 707     */
 708     GetMagickToken(q,&q,token);
 709     if (*token == '\0')
 710       break;
 711     (void) CopyMagickString(keyword,token,MaxTextExtent);
 712     if (LocaleNCompare(keyword,"<!DOCTYPE",9) == 0)
 713       {
 714         /*
 715           Doctype element.
 716         */
 717         while ((LocaleNCompare(q,"]>",2) != 0) && (*q != '\0'))
 718           GetMagickToken(q,&q,token);
 719         continue;
 720       }
 721     if (LocaleNCompare(keyword,"<!--",4) == 0)
 722       {
 723         /*
 724           Comment element.
 725         */
 726         while ((LocaleNCompare(q,"->",2) != 0) && (*q != '\0'))
 727           GetMagickToken(q,&q,token);
 728         continue;
 729       }
 730     if (LocaleCompare(keyword,"<include") == 0)
 731       {
 732         /*
 733           Include element.
 734         */
 735         while (((*token != '/') && (*(token+1) != '>')) && (*q != '\0'))
 736         {
 737           (void) CopyMagickString(keyword,token,MaxTextExtent);
 738           GetMagickToken(q,&q,token);
 739           if (*token != '=')
 740             continue;
 741           GetMagickToken(q,&q,token);
 742           if (LocaleCompare(keyword,"file") == 0)
 743             {
 744               if (depth > 200)
 745                 (void) ThrowMagickException(exception,GetMagickModule(),
 746                   ConfigureError,"IncludeNodeNestedTooDeeply","`%s'",token);
 747               else
 748                 {
 749                   char
 750                     path[MaxTextExtent],
 751                     *xml;
 752
 753                   GetPathComponent(filename,HeadPath,path);
 754                   if (*path != '\0')
 755                     (void) ConcatenateMagickString(path,DirectorySeparator,
 756                       MaxTextExtent);
 757                   if (*token == *DirectorySeparator)
 758                     (void) CopyMagickString(path,token,MaxTextExtent);
 759                   else
 760                     (void) ConcatenateMagickString(path,token,MaxTextExtent);
 761                   xml=FileToString(path,~0,exception);
 762                   if (xml != (char *) NULL)
 763                     {
 764                       status=LoadCoderList(xml,path,depth+1,exception);
 765                       xml=(char *) RelinquishMagickMemory(xml);
 766                     }
 767                 }
 768             }
 769         }
 770         continue;
 771       }
 772     if (LocaleCompare(keyword,"<coder") == 0)
 773       {
 774         /*
 775           Coder element.
 776         */
 777         coder_info=(CoderInfo *) AcquireMagickMemory(sizeof(*coder_info));
 778         if (coder_info == (CoderInfo *) NULL)
 779           ThrowFatalException(ResourceLimitFatalError,"MemoryAllocationFailed");
 780         (void) ResetMagickMemory(coder_info,0,sizeof(*coder_info));
 781         coder_info->path=ConstantString(filename);
 782         coder_info->exempt=MagickFalse;
 783         coder_info->signature=MagickSignature;
 784         continue;
 785       }
 786     if (coder_info == (CoderInfo *) NULL)
 787       continue;
 788     if (LocaleCompare(keyword,"/>") == 0)
 789       {
 790         status=AddValueToSplayTree(coder_list,ConstantString(
 791           coder_info->magick),coder_info);
 792         if (status == MagickFalse)
 793           (void) ThrowMagickException(exception,GetMagickModule(),
 794             ResourceLimitError,"MemoryAllocationFailed","`%s'",
 795             coder_info->magick);
 796         coder_info=(CoderInfo *) NULL;
 797       }
 798     GetMagickToken(q,(const char **) NULL,token);
 799     if (*token != '=')
 800       continue;
 801     GetMagickToken(q,&q,token);
 802     GetMagickToken(q,&q,token);
 803     switch (*keyword)
 804     {
 805       case 'M':
 806       case 'm':
 807       {
 808         if (LocaleCompare((char *) keyword,"magick") == 0)
 809           {
 810             coder_info->magick=ConstantString(token);
 811             break;
 812           }
 813         break;
 814       }
 815       case 'N':
 816       case 'n':
 817       {
 818         if (LocaleCompare((char *) keyword,"name") == 0)
 819           {
 820             coder_info->name=ConstantString(token);
 821             break;
 822           }
 823         break;
 824       }
 825       case 'S':
 826       case 's':
 827       {
 828         if (LocaleCompare((char *) keyword,"stealth") == 0)
 829           {
 830             coder_info->stealth=IsMagickTrue(token);
 831             break;
 832           }
 833         break;
 834       }
 835       default:
 836         break;
 837     }
 838   }
 839   token=(char *) RelinquishMagickMemory(token);
 840   return(status);
 841 }
 842 \f
 843 /*
 844 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 845 %                                                                             %
 846 %                                                                             %
 847 %                                                                             %
 848 %  L o a d C o d e r L i s t s                                                %
 849 %                                                                             %
 850 %                                                                             %
 851 %                                                                             %
 852 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 853 %
 854 %  LoadCoderLists() loads one or more coder configuration file which
 855 %  provides a mapping between coder attributes and a coder name.
 856 %
 857 %  The format of the LoadCoderLists coder is:
 858 %
 859 %      MagickBooleanType LoadCoderLists(const char *filename,
 860 %        ExceptionInfo *exception)
 861 %
 862 %  A description of each parameter follows:
 863 %
 864 %    o filename: the font file name.
 865 %
 866 %    o exception: return any errors or warnings in this structure.
 867 %
 868 */
 869 static MagickBooleanType LoadCoderLists(const char *filename,
 870   ExceptionInfo *exception)
 871 {
 872   const StringInfo
 873     *option;
 874
 875   LinkedListInfo
 876     *options;
 877
 878   MagickStatusType
 879     status;
 880
 881   register const CoderMapInfo
 882     *p;
 883
 884   /*
 885     Load built-in coder map.
 886   */
 887   status=MagickFalse;
 888   if (coder_list == (SplayTreeInfo *) NULL)
 889     {
 890       coder_list=NewSplayTree(CompareSplayTreeString,RelinquishMagickMemory,
 891         DestroyCoderNode);
 892       if (coder_list == (SplayTreeInfo *) NULL)
 893         {
 894           ThrowFileException(exception,ResourceLimitError,
 895             "MemoryAllocationFailed",filename);
 896           return(MagickFalse);
 897         }
 898     }
 899   for (p=CoderMap; p->magick != (const char *) NULL; p++)
 900   {
 901     CoderInfo
 902       *coder_info;
 903
 904     coder_info=(CoderInfo *) AcquireMagickMemory(sizeof(*coder_info));
 905     if (coder_info == (CoderInfo *) NULL)
 906       {
 907         (void) ThrowMagickException(exception,GetMagickModule(),
 908           ResourceLimitError,"MemoryAllocationFailed","`%s'",coder_info->name);
 909         continue;
 910       }
 911     (void) ResetMagickMemory(coder_info,0,sizeof(*coder_info));
 912     coder_info->path=(char *) "[built-in]";
 913     coder_info->magick=(char *) p->magick;
 914     coder_info->name=(char *) p->name;
 915     coder_info->exempt=MagickTrue;
 916     coder_info->signature=MagickSignature;
 917     status=AddValueToSplayTree(coder_list,ConstantString(coder_info->magick),
 918       coder_info);
 919     if (status == MagickFalse)
 920       (void) ThrowMagickException(exception,GetMagickModule(),
 921         ResourceLimitError,"MemoryAllocationFailed","`%s'",coder_info->name);
 922   }
 923   /*
 924     Load external coder map.
 925   */
 926   options=GetConfigureOptions(filename,exception);
 927   option=(const StringInfo *) GetNextValueInLinkedList(options);
 928   while (option != (const StringInfo *) NULL)
 929   {
 930     status|=LoadCoderList((const char *) GetStringInfoDatum(option),
 931       GetStringInfoPath(option),0,exception);
 932     option=(const StringInfo *) GetNextValueInLinkedList(options);
 933   }
 934   options=DestroyConfigureOptions(options);
 935   return(status != 0 ? MagickTrue : MagickFalse);
 936 }