utils/tex2rtf/src/texutils.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        texutils.cpp
   3 // Purpose:     Miscellaneous utilities
   4 // Author:      Julian Smart
   5 // Modified by: Wlodzimiez ABX Skiba 2003/2004 Unicode support
   6 //              Ron Lee
   7 // Created:     7.9.93
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) Julian Smart
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifdef __GNUG__
  14 #pragma implementation
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25     #include "wx/log.h"
  26 #endif
  27
  28 #include "wx/app.h"
  29 #include "wx/hash.h"
  30
  31 #ifdef new
  32 #undef new
  33 #endif
  34
  35 #if wxUSE_IOSTREAMH
  36 #include <iostream.h>
  37 #include <fstream.h>
  38 #else
  39 #include <iostream>
  40 #include <fstream>
  41 using namespace std;
  42 #endif
  43
  44 #include <ctype.h>
  45 #include "tex2any.h"
  46
  47 #if !WXWIN_COMPATIBILITY_2_4
  48 static inline wxChar* copystring(const wxChar* s)
  49     { return wxStrcpy(new wxChar[wxStrlen(s) + 1], s); }
  50 #endif
  51
  52 wxHashTable TexReferences(wxKEY_STRING);
  53 wxList BibList(wxKEY_STRING);
  54 wxStringList CitationList;
  55 wxList ColourTable(wxKEY_STRING);
  56 wxHashTable BibStringTable(wxKEY_STRING);
  57 wxList CustomMacroList(wxKEY_STRING);
  58 TexChunk *currentSection = NULL;
  59 wxChar *fakeCurrentSection = NULL;
  60
  61 static long BibLine = 1;
  62
  63 void OutputCurrentSection(void)
  64 {
  65   if (fakeCurrentSection)
  66     TexOutput(fakeCurrentSection);
  67   else if (currentSection)
  68     TraverseChildrenFromChunk(currentSection);
  69 }
  70
  71 // Nasty but the way things are done now, necessary,
  72 // in order to output a chunk properly to a string (macros and all).
  73 void OutputCurrentSectionToString(wxChar *buf)
  74 {
  75     if (fakeCurrentSection)
  76         wxStrcpy(buf, fakeCurrentSection);
  77     else
  78         OutputChunkToString(currentSection, buf);
  79 }
  80
  81 void OutputChunkToString(TexChunk *chunk, wxChar *buf)
  82 {
  83   FILE *tempfd = wxFopen(_T("tmp.tmp"), _T("w"));
  84   if (!tempfd)
  85     return;
  86
  87   FILE *old1 = CurrentOutput1;
  88   FILE *old2 = CurrentOutput2;
  89
  90   CurrentOutput1 = tempfd;
  91   CurrentOutput2 = NULL;
  92
  93   TraverseChildrenFromChunk(chunk);
  94
  95   CurrentOutput1 = old1;
  96   CurrentOutput2 = old2;
  97
  98   fclose(tempfd);
  99
 100   // Read from file into string
 101   tempfd = wxFopen(_T("tmp.tmp"), _T("r"));
 102   if (!tempfd)
 103     return;
 104
 105   buf[0] = 0;
 106   int ch = -2;
 107   int i = 0;
 108   while (ch != EOF)
 109   {
 110     ch = getc(tempfd);
 111     if (ch == EOF)
 112       buf[i] = 0;
 113     else
 114     {
 115       buf[i] = (wxChar)ch;
 116       i ++;
 117     }
 118   }
 119   fclose(tempfd);
 120   wxRemoveFile(_T("tmp.tmp"));
 121 }
 122
 123 // Called by Tex2Any to simulate a section
 124 void FakeCurrentSection(wxChar *fakeSection, bool addToContents)
 125 {
 126   currentSection = NULL;
 127   if (fakeCurrentSection) delete[] fakeCurrentSection;
 128   fakeCurrentSection = copystring(fakeSection);
 129
 130   if (DocumentStyle == LATEX_ARTICLE)
 131   {
 132     int mac = ltSECTIONHEADING;
 133     if (!addToContents)
 134       mac = ltSECTIONHEADINGSTAR;
 135     OnMacro(mac, 0, true);
 136     OnMacro(mac, 0, false);
 137   }
 138   else
 139   {
 140     int mac = ltCHAPTERHEADING;
 141     if (!addToContents)
 142       mac = ltCHAPTERHEADINGSTAR;
 143     OnMacro(mac, 0, true);
 144     OnMacro(mac, 0, false);
 145   }
 146   if (fakeCurrentSection) delete[] fakeCurrentSection;
 147   fakeCurrentSection = NULL;
 148 }
 149
 150 // Look for \label macro, use this ref name if found or
 151 // make up a topic name otherwise.
 152 static long topicCounter = 0;
 153
 154 void ResetTopicCounter(void)
 155 {
 156   topicCounter = 0;
 157 }
 158
 159 static wxChar *forceTopicName = NULL;
 160
 161 void ForceTopicName(const wxChar *name)
 162 {
 163   if (forceTopicName)
 164     delete[] forceTopicName;
 165   if (name)
 166     forceTopicName = copystring(name);
 167   else
 168     forceTopicName = NULL;
 169 }
 170
 171 wxChar *FindTopicName(TexChunk *chunk)
 172 {
 173   if (forceTopicName)
 174     return forceTopicName;
 175
 176   wxChar *topicName = NULL;
 177   static wxChar topicBuf[100];
 178
 179   if (chunk && (chunk->type == CHUNK_TYPE_MACRO) &&
 180       (chunk->macroId == ltLABEL))
 181   {
 182     wxNode *node = chunk->children.GetFirst();
 183     if (node)
 184     {
 185       TexChunk *child = (TexChunk *)node->GetData();
 186       if (child->type == CHUNK_TYPE_ARG)
 187       {
 188         wxNode *snode = child->children.GetFirst();
 189         if (snode)
 190         {
 191           TexChunk *schunk = (TexChunk *)snode->GetData();
 192           if (schunk->type == CHUNK_TYPE_STRING)
 193             topicName = schunk->value;
 194         }
 195       }
 196     }
 197   }
 198   if (topicName)
 199     return topicName;
 200   else
 201   {
 202     wxSnprintf(topicBuf, sizeof(topicBuf), _T("topic%ld"), topicCounter);
 203     topicCounter ++;
 204     return topicBuf;
 205   }
 206 }
 207
 208 /*
 209  * Simulate argument data, so we can 'drive' clients which implement
 210  * certain basic formatting behaviour.
 211  * Snag is that some save a TexChunk, so don't use yet...
 212  *
 213  */
 214
 215 void StartSimulateArgument(wxChar *data)
 216 {
 217   wxStrcpy(currentArgData, data);
 218   haveArgData = true;
 219 }
 220
 221 void EndSimulateArgument(void)
 222 {
 223   haveArgData = false;
 224 }
 225
 226 /*
 227  * Parse and convert unit arguments to points
 228  *
 229  */
 230
 231 int ParseUnitArgument(wxChar *unitArg)
 232 {
 233   float conversionFactor = 1.0;
 234   float unitValue = 0.0;
 235   int len = wxStrlen(unitArg);
 236   // Get rid of any accidentally embedded commands
 237   for (int i = 0; i < len; i++)
 238     if (unitArg[i] == '\\')
 239       unitArg[i] = 0;
 240   len = wxStrlen(unitArg);
 241
 242   if (unitArg && (len > 0) && (isdigit(unitArg[0]) || unitArg[0] == '-'))
 243   {
 244     wxSscanf(unitArg, _T("%f"), &unitValue);
 245     if (len > 1)
 246     {
 247       wxChar units[3];
 248       units[0] = unitArg[len-2];
 249       units[1] = unitArg[len-1];
 250       units[2] = 0;
 251       if (wxStrcmp(units, _T("in")) == 0)
 252         conversionFactor = 72.0;
 253       else if (wxStrcmp(units, _T("cm")) == 0)
 254         conversionFactor = (float)72.0/(float)2.51;
 255       else if (wxStrcmp(units, _T("mm")) == 0)
 256         conversionFactor = (float)72.0/(float)25.1;
 257       else if (wxStrcmp(units, _T("pt")) == 0)
 258         conversionFactor = 1;
 259     }
 260     return (int)(unitValue*conversionFactor);
 261   }
 262   else return 0;
 263 }
 264
 265 /*
 266  * Strip off any extension (dot something) from end of file,
 267  * IF one exists. Inserts zero into buffer.
 268  *
 269  */
 270
 271 void StripExtension(wxChar *buffer)
 272 {
 273   int len = wxStrlen(buffer);
 274   int i = len-1;
 275   while (i > 0)
 276   {
 277     if (buffer[i] == '.')
 278     {
 279       buffer[i] = 0;
 280       break;
 281     }
 282     i --;
 283   }
 284 }
 285
 286 /*
 287  * Latex font setting
 288  *
 289  */
 290
 291 void SetFontSizes(int pointSize)
 292 {
 293   switch (pointSize)
 294   {
 295     case 12:
 296     {
 297       normalFont = 12;
 298       smallFont = 10;
 299       tinyFont = 8;
 300       largeFont1 = 14;
 301       LargeFont2 = 16;
 302       LARGEFont3 = 20;
 303       hugeFont1 = 24;
 304       HugeFont2 = 28;
 305       HUGEFont3 = 32;
 306       break;
 307     }
 308     case 11:
 309     {
 310       normalFont = 11;
 311       smallFont = 9;
 312       tinyFont = 7;
 313       largeFont1 = 13;
 314       LargeFont2 = 16;
 315       LARGEFont3 = 19;
 316       hugeFont1 = 22;
 317       HugeFont2 = 26;
 318       HUGEFont3 = 30;
 319       break;
 320     }
 321     case 10:
 322     {
 323       normalFont = 10;
 324       smallFont = 8;
 325       tinyFont = 6;
 326       largeFont1 = 12;
 327       LargeFont2 = 14;
 328       LARGEFont3 = 18;
 329       hugeFont1 = 20;
 330       HugeFont2 = 24;
 331       HUGEFont3 = 28;
 332       break;
 333     }
 334   }
 335 }
 336
 337
 338 /*
 339  * Latex references
 340  *
 341  */
 342
 343 void AddTexRef(wxChar *name, wxChar *file, wxChar *sectionName,
 344                int chapter, int section, int subsection, int subsubsection)
 345 {
 346   TexRef *texRef = (TexRef *)TexReferences.Get(name);
 347   if (texRef) TexReferences.Delete(name);
 348
 349   wxChar buf[100];
 350   buf[0] = 0;
 351 /*
 352   if (sectionName)
 353   {
 354     wxStrcat(buf, sectionName);
 355     wxStrcat(buf, " ");
 356   }
 357 */
 358   if (chapter)
 359   {
 360     wxChar buf2[10];
 361     wxSnprintf(buf2, sizeof(buf2), _T("%d"), chapter);
 362     wxStrcat(buf, buf2);
 363   }
 364   if (section)
 365   {
 366     wxChar buf2[10];
 367     if (chapter)
 368       wxStrcat(buf, _T("."));
 369
 370     wxSnprintf(buf2, sizeof(buf2), _T("%d"), section);
 371     wxStrcat(buf, buf2);
 372   }
 373   if (subsection)
 374   {
 375     wxChar buf2[10];
 376     wxStrcat(buf, _T("."));
 377     wxSnprintf(buf2, sizeof(buf2), _T("%d"), subsection);
 378     wxStrcat(buf, buf2);
 379   }
 380   if (subsubsection)
 381   {
 382     wxChar buf2[10];
 383     wxStrcat(buf, _T("."));
 384     wxSnprintf(buf2, sizeof(buf2), _T("%d"), subsubsection);
 385     wxStrcat(buf, buf2);
 386   }
 387   wxChar *tmp = ((wxStrlen(buf) > 0) ? buf : (wxChar *)NULL);
 388   TexReferences.Put(name, new TexRef(name, file, tmp, sectionName));
 389 }
 390
 391 void WriteTexReferences(wxChar *filename)
 392 {
 393   wxString converter;
 394   wxString name = filename;
 395   wxSTD ofstream ostr((char const *)name.fn_str());
 396   if (ostr.bad()) return;
 397
 398   TexReferences.BeginFind();
 399   wxHashTable::Node *node = TexReferences.Next();
 400   while (node)
 401   {
 402     Tex2RTFYield();
 403     TexRef *ref = (TexRef *)node->GetData();
 404     converter = ref->refLabel;
 405     ostr << converter.mb_str();
 406     ostr << " ";
 407     converter = (ref->refFile ? ref->refFile : _T("??"));
 408     ostr << converter.mb_str();
 409     ostr << " ";
 410     converter = (ref->sectionName ? ref->sectionName : _T("??")) ;
 411     ostr << converter.mb_str();
 412     ostr << " ";
 413     converter = (ref->sectionNumber ? ref->sectionNumber : _T("??")) ;
 414     ostr << converter.mb_str();
 415     ostr << "\n";
 416     if (!ref->sectionNumber || (wxStrcmp(ref->sectionNumber, _T("??")) == 0 && wxStrcmp(ref->sectionName, _T("??")) == 0))
 417     {
 418       wxChar buf[200];
 419       wxSnprintf(buf, sizeof(buf), _T("Warning: reference %s not resolved."), ref->refLabel);
 420       OnInform(buf);
 421     }
 422     node = TexReferences.Next();
 423   }
 424 }
 425
 426 void ReadTexReferences(wxChar *filename)
 427 {
 428   if (!wxFileExists(filename))
 429       return;
 430
 431   wxString name = filename;
 432   wxSTD ifstream istr((char const *)name.fn_str(), wxSTD ios::in);
 433
 434   if (istr.bad()) return;
 435
 436   char label[100];
 437   char file[400];
 438   char section[100];
 439   char sectionName[100];
 440
 441   while (!istr.eof())
 442   {
 443     istr >> label;
 444     if (!istr.eof())
 445     {
 446       istr >> file;
 447       istr >> sectionName;
 448       char ch;
 449       istr.get(ch); // Read past space
 450       istr.get(ch);
 451       int i = 0;
 452       while (ch != '\n' && !istr.eof())
 453       {
 454         section[i] = ch;
 455         i ++;
 456         istr.get(ch);
 457       }
 458       section[i] = 0;
 459
 460       wxString label_string       = wxString::FromAscii(label);
 461       wxString file_string        = wxString::FromAscii(file);
 462       wxString sectionName_string = wxString::FromAscii(sectionName);
 463       wxString section_string     = wxString::FromAscii(section);
 464
 465       // gt - needed to trick the hash table "TexReferences" into deleting the key
 466       // strings it creates in the Put() function, but not the item that is
 467       // created here, as that is destroyed elsewhere.  Without doing this, there
 468       // were massive memory leaks
 469       TexReferences.DeleteContents(true);
 470       TexReferences.Put(
 471         label_string.c_str(),
 472         new TexRef(
 473               label_string.c_str(),
 474               file_string.c_str(),
 475               section_string.c_str(),
 476               sectionName_string.c_str()
 477         )
 478       );
 479       TexReferences.DeleteContents(false);
 480     }
 481   }
 482 }
 483
 484
 485 /*
 486  * Bibliography-handling code
 487  *
 488  */
 489
 490 void BibEatWhiteSpace(wxSTD istream& str)
 491 {
 492   char ch = (char)str.peek();
 493
 494   while (!str.eof() && (ch == ' ' || ch == '\t' || ch == 13 || ch == 10 || ch == (char)EOF))
 495   {
 496     if (ch == 10)
 497       BibLine ++;
 498     str.get(ch);
 499     if ((ch == (char)EOF) || str.eof()) return;
 500     ch = (char)str.peek();
 501   }
 502
 503   // Ignore end-of-line comments
 504   if (ch == '%' || ch == ';' || ch == '#')
 505   {
 506     str.get(ch);
 507     ch = (char)str.peek();
 508     while (ch != 10 && ch != 13 && !str.eof())
 509     {
 510       str.get(ch);
 511       ch = (char)str.peek();
 512     }
 513     BibEatWhiteSpace(str);
 514   }
 515 }
 516
 517 // Read word up to { or , or space
 518 void BibReadWord(wxSTD istream& istr, wxChar *buffer)
 519 {
 520   int i = 0;
 521   buffer[i] = 0;
 522   char ch = (char)istr.peek();
 523   while (!istr.eof() && ch != ' ' && ch != '{' && ch != '(' && ch != 13 && ch != 10 && ch != '\t' &&
 524          ch != ',' && ch != '=')
 525   {
 526     istr.get(ch);
 527     buffer[i] = ch;
 528     i ++;
 529     ch = (char)istr.peek();
 530   }
 531   buffer[i] = 0;
 532 }
 533
 534 // Read string (double-quoted or not) to end quote or EOL
 535 void BibReadToEOL(wxSTD istream& istr, wxChar *buffer)
 536 {
 537   int i = 0;
 538   buffer[i] = 0;
 539   char ch = (char)istr.peek();
 540   bool inQuotes = false;
 541   if (ch == '"')
 542   {
 543     istr.get(ch);
 544     ch = (char)istr.peek();
 545     inQuotes = true;
 546   }
 547   // If in quotes, read white space too. If not,
 548   // stop at white space or comment.
 549   while (!istr.eof() && ch != 13 && ch != 10 && ch != _T('"') &&
 550          (inQuotes || ((ch != _T(' ')) && (ch != 9) &&
 551                         (ch != _T(';')) && (ch != _T('%')) && (ch != _T('#')))))
 552   {
 553     istr.get(ch);
 554     buffer[i] = ch;
 555     i ++;
 556     ch = (char)istr.peek();
 557   }
 558   if (ch == '"')
 559     istr.get(ch);
 560   buffer[i] = 0;
 561 }
 562
 563 // Read }-terminated value, taking nested braces into account.
 564 void BibReadValue(wxSTD istream& istr, wxChar *buffer, bool ignoreBraces = true,
 565                   bool quotesMayTerminate = true)
 566 {
 567   int braceCount = 1;
 568   int i = 0;
 569   buffer[i] = 0;
 570   char ch = (char)istr.peek();
 571   bool stopping = false;
 572   while (!istr.eof() && !stopping)
 573   {
 574 //    i ++;
 575     if (i >= 4000)
 576     {
 577       wxChar buf[100];
 578       wxSnprintf(buf, sizeof(buf), _T("Sorry, value > 4000 chars in bib file at line %ld."), BibLine);
 579       wxLogError(buf, "Tex2RTF Fatal Error");
 580       return;
 581     }
 582     istr.get(ch);
 583
 584     if (ch == '{')
 585       braceCount ++;
 586
 587     if (ch == '}')
 588     {
 589       braceCount --;
 590       if (braceCount == 0)
 591       {
 592         stopping = true;
 593         break;
 594       }
 595     }
 596     else if (quotesMayTerminate && ch == '"')
 597     {
 598       stopping = true;
 599       break;
 600     }
 601     if (!stopping)
 602     {
 603       if (!ignoreBraces || (ch != '{' && ch != '}'))
 604       {
 605         buffer[i] = ch;
 606         i ++;
 607       }
 608     }
 609     if (ch == 10)
 610       BibLine ++;
 611   }
 612   buffer[i] = 0;
 613   wxUnusedVar(stopping);
 614 }
 615
 616 bool ReadBib(wxChar *filename)
 617 {
 618   if (!wxFileExists(filename))
 619       return false;
 620
 621   wxString name = filename;
 622   wxChar buf[300];
 623   wxSTD ifstream istr((char const *)name.fn_str(), wxSTD ios::in);
 624   if (istr.bad()) return false;
 625
 626   BibLine = 1;
 627
 628   OnInform(_T("Reading .bib file..."));
 629
 630   char ch;
 631   wxChar fieldValue[4000];
 632   wxChar recordType[100];
 633   wxChar recordKey[100];
 634   wxChar recordField[100];
 635   while (!istr.eof())
 636   {
 637     Tex2RTFYield();
 638
 639     BibEatWhiteSpace(istr);
 640     istr.get(ch);
 641     if (ch != '@')
 642     {
 643       wxSnprintf(buf, sizeof(buf), _T("Expected @: malformed bib file at line %ld (%s)"), BibLine, filename);
 644       OnError(buf);
 645       return false;
 646     }
 647     BibReadWord(istr, recordType);
 648     BibEatWhiteSpace(istr);
 649     istr.get(ch);
 650     if (ch != '{' && ch != '(')
 651     {
 652       wxSnprintf(buf, sizeof(buf), _T("Expected { or ( after record type: malformed .bib file at line %ld (%s)"), BibLine, filename);
 653       OnError(buf);
 654       return false;
 655     }
 656     BibEatWhiteSpace(istr);
 657     if (StringMatch(recordType, _T("string"), false, true))
 658     {
 659       BibReadWord(istr, recordType);
 660       BibEatWhiteSpace(istr);
 661       istr.get(ch);
 662       if (ch != '=')
 663       {
 664         wxSnprintf(buf, sizeof(buf), _T("Expected = after string key: malformed .bib file at line %ld (%s)"), BibLine, filename);
 665         OnError(buf);
 666         return false;
 667       }
 668       BibEatWhiteSpace(istr);
 669       istr.get(ch);
 670       if (ch != '"' && ch != '{')
 671       {
 672         wxSnprintf(buf, sizeof(buf), _T("Expected = after string key: malformed .bib file at line %ld (%s)"), BibLine, filename);
 673         OnError(buf);
 674         return false;
 675       }
 676       BibReadValue(istr, fieldValue);
 677
 678       // Now put in hash table if necesary
 679       if (!BibStringTable.Get(recordType))
 680         BibStringTable.Put(recordType, (wxObject *)copystring(fieldValue));
 681
 682       // Read closing ) or }
 683       BibEatWhiteSpace(istr);
 684       istr.get(ch);
 685       BibEatWhiteSpace(istr);
 686     }
 687     else
 688     {
 689       BibReadWord(istr, recordKey);
 690
 691       BibEntry *bibEntry = new BibEntry;
 692       bibEntry->key = copystring(recordKey);
 693       bibEntry->type = copystring(recordType);
 694
 695       bool moreRecords = true;
 696       while (moreRecords && !istr.eof())
 697       {
 698         BibEatWhiteSpace(istr);
 699         istr.get(ch);
 700         if (ch == '}' || ch == ')')
 701         {
 702           moreRecords = false;
 703         }
 704         else if (ch == ',')
 705         {
 706           BibEatWhiteSpace(istr);
 707           BibReadWord(istr, recordField);
 708           BibEatWhiteSpace(istr);
 709           istr.get(ch);
 710           if (ch != '=')
 711           {
 712             wxSnprintf(buf, sizeof(buf), _T("Expected = after field type: malformed .bib file at line %ld (%s)"), BibLine, filename);
 713             OnError(buf);
 714             return false;
 715           }
 716           BibEatWhiteSpace(istr);
 717           istr.get(ch);
 718           if (ch != '{' && ch != '"')
 719           {
 720             fieldValue[0] = ch;
 721             BibReadWord(istr, fieldValue+1);
 722
 723             // If in the table of strings, replace with string from table.
 724             wxChar *s = (wxChar *)BibStringTable.Get(fieldValue);
 725             if (s)
 726             {
 727               wxStrcpy(fieldValue, s);
 728             }
 729           }
 730           else
 731             BibReadValue(istr, fieldValue, true, (ch == _T('"') ? true : false));
 732
 733           // Now we can add a field
 734           if (StringMatch(recordField, _T("author"), false, true))
 735             bibEntry->author = copystring(fieldValue);
 736           else if (StringMatch(recordField, _T("key"), false, true))
 737             {}
 738           else if (StringMatch(recordField, _T("annotate"), false, true))
 739             {}
 740           else if (StringMatch(recordField, _T("abstract"), false, true))
 741             {}
 742           else if (StringMatch(recordField, _T("edition"), false, true))
 743             {}
 744           else if (StringMatch(recordField, _T("howpublished"), false, true))
 745             {}
 746           else if (StringMatch(recordField, _T("note"), false, true) || StringMatch(recordField, _T("notes"), false, true))
 747             {}
 748           else if (StringMatch(recordField, _T("series"), false, true))
 749             {}
 750           else if (StringMatch(recordField, _T("type"), false, true))
 751             {}
 752           else if (StringMatch(recordField, _T("keywords"), false, true))
 753             {}
 754           else if (StringMatch(recordField, _T("editor"), false, true) || StringMatch(recordField, _T("editors"), false, true))
 755             bibEntry->editor= copystring(fieldValue);
 756           else if (StringMatch(recordField, _T("title"), false, true))
 757             bibEntry->title= copystring(fieldValue);
 758           else if (StringMatch(recordField, _T("booktitle"), false, true))
 759             bibEntry->booktitle= copystring(fieldValue);
 760           else if (StringMatch(recordField, _T("journal"), false, true))
 761             bibEntry->journal= copystring(fieldValue);
 762           else if (StringMatch(recordField, _T("volume"), false, true))
 763             bibEntry->volume= copystring(fieldValue);
 764           else if (StringMatch(recordField, _T("number"), false, true))
 765             bibEntry->number= copystring(fieldValue);
 766           else if (StringMatch(recordField, _T("year"), false, true))
 767             bibEntry->year= copystring(fieldValue);
 768           else if (StringMatch(recordField, _T("month"), false, true))
 769             bibEntry->month= copystring(fieldValue);
 770           else if (StringMatch(recordField, _T("pages"), false, true))
 771             bibEntry->pages= copystring(fieldValue);
 772           else if (StringMatch(recordField, _T("publisher"), false, true))
 773             bibEntry->publisher= copystring(fieldValue);
 774           else if (StringMatch(recordField, _T("address"), false, true))
 775             bibEntry->address= copystring(fieldValue);
 776           else if (StringMatch(recordField, _T("institution"), false, true) || StringMatch(recordField, _T("school"), false, true))
 777             bibEntry->institution= copystring(fieldValue);
 778           else if (StringMatch(recordField, _T("organization"), false, true) || StringMatch(recordField, _T("organisation"), false, true))
 779             bibEntry->organization= copystring(fieldValue);
 780           else if (StringMatch(recordField, _T("comment"), false, true) || StringMatch(recordField, _T("comments"), false, true))
 781             bibEntry->comment= copystring(fieldValue);
 782           else if (StringMatch(recordField, _T("annote"), false, true))
 783             bibEntry->comment= copystring(fieldValue);
 784           else if (StringMatch(recordField, _T("chapter"), false, true))
 785             bibEntry->chapter= copystring(fieldValue);
 786           else
 787           {
 788             wxSnprintf(buf, sizeof(buf), _T("Unrecognised bib field type %s at line %ld (%s)"), recordField, BibLine, filename);
 789             OnError(buf);
 790           }
 791         }
 792       }
 793       BibList.Append(recordKey, bibEntry);
 794       BibEatWhiteSpace(istr);
 795     }
 796   }
 797   return true;
 798 }
 799
 800 void OutputBibItem(TexRef *ref, BibEntry *bib)
 801 {
 802   Tex2RTFYield();
 803
 804   OnMacro(ltNUMBEREDBIBITEM, 2, true);
 805   OnArgument(ltNUMBEREDBIBITEM, 1, true);
 806   TexOutput(ref->sectionNumber);
 807   OnArgument(ltNUMBEREDBIBITEM, 1, false);
 808   OnArgument(ltNUMBEREDBIBITEM, 2, true);
 809
 810   TexOutput(_T(" "));
 811   OnMacro(ltBF, 1, true);
 812   OnArgument(ltBF, 1, true);
 813   if (bib->author)
 814     TexOutput(bib->author);
 815   OnArgument(ltBF, 1, false);
 816   OnMacro(ltBF, 1, false);
 817   if (bib->author && (wxStrlen(bib->author) > 0) && (bib->author[wxStrlen(bib->author) - 1] != '.'))
 818     TexOutput(_T(". "));
 819   else
 820     TexOutput(_T(" "));
 821
 822   if (bib->year)
 823   {
 824     TexOutput(bib->year);
 825   }
 826   if (bib->month)
 827   {
 828     TexOutput(_T(" ("));
 829     TexOutput(bib->month);
 830     TexOutput(_T(")"));
 831   }
 832   if (bib->year || bib->month)
 833     TexOutput(_T(". "));
 834
 835   if (StringMatch(bib->type, _T("article"), false, true))
 836   {
 837     if (bib->title)
 838     {
 839       TexOutput(bib->title);
 840       TexOutput(_T(". "));
 841     }
 842     if (bib->journal)
 843     {
 844       OnMacro(ltIT, 1, true);
 845       OnArgument(ltIT, 1, true);
 846       TexOutput(bib->journal);
 847       OnArgument(ltIT, 1, false);
 848       OnMacro(ltIT, 1, false);
 849     }
 850     if (bib->volume)
 851     {
 852       TexOutput(_T(", "));
 853       OnMacro(ltBF, 1, true);
 854       OnArgument(ltBF, 1, true);
 855       TexOutput(bib->volume);
 856       OnArgument(ltBF, 1, false);
 857       OnMacro(ltBF, 1, false);
 858     }
 859     if (bib->number)
 860     {
 861       TexOutput(_T("("));
 862       TexOutput(bib->number);
 863       TexOutput(_T(")"));
 864     }
 865     if (bib->pages)
 866     {
 867       TexOutput(_T(", pages "));
 868       TexOutput(bib->pages);
 869     }
 870     TexOutput(_T("."));
 871   }
 872   else if (StringMatch(bib->type, _T("book"), false, true) ||
 873            StringMatch(bib->type, _T("unpublished"), false, true) ||
 874            StringMatch(bib->type, _T("manual"), false, true) ||
 875            StringMatch(bib->type, _T("phdthesis"), false, true) ||
 876            StringMatch(bib->type, _T("mastersthesis"), false, true) ||
 877            StringMatch(bib->type, _T("misc"), false, true) ||
 878            StringMatch(bib->type, _T("techreport"), false, true) ||
 879            StringMatch(bib->type, _T("booklet"), false, true))
 880   {
 881     if (bib->title || bib->booktitle)
 882     {
 883       OnMacro(ltIT, 1, true);
 884       OnArgument(ltIT, 1, true);
 885       TexOutput(bib->title ? bib->title : bib->booktitle);
 886       TexOutput(_T(". "));
 887       OnArgument(ltIT, 1, false);
 888       OnMacro(ltIT, 1, false);
 889     }
 890     if (StringMatch(bib->type, _T("phdthesis"), false, true))
 891       TexOutput(_T("PhD thesis. "));
 892     if (StringMatch(bib->type, _T("techreport"), false, true))
 893       TexOutput(_T("Technical report. "));
 894     if (bib->editor)
 895     {
 896       TexOutput(_T("Ed. "));
 897       TexOutput(bib->editor);
 898       TexOutput(_T(". "));
 899     }
 900     if (bib->institution)
 901     {
 902       TexOutput(bib->institution);
 903       TexOutput(_T(". "));
 904     }
 905     if (bib->organization)
 906     {
 907       TexOutput(bib->organization);
 908       TexOutput(_T(". "));
 909     }
 910     if (bib->publisher)
 911     {
 912       TexOutput(bib->publisher);
 913       TexOutput(_T(". "));
 914     }
 915     if (bib->address)
 916     {
 917       TexOutput(bib->address);
 918       TexOutput(_T(". "));
 919     }
 920   }
 921   else if (StringMatch(bib->type, _T("inbook"), false, true) ||
 922            StringMatch(bib->type, _T("inproceedings"), false, true) ||
 923            StringMatch(bib->type, _T("incollection"), false, true) ||
 924            StringMatch(bib->type, _T("conference"), false, true))
 925   {
 926     if (bib->title)
 927     {
 928       TexOutput(bib->title);
 929     }
 930     if (bib->booktitle)
 931     {
 932       TexOutput(_T(", from "));
 933       OnMacro(ltIT, 1, true);
 934       OnArgument(ltIT, 1, true);
 935       TexOutput(bib->booktitle);
 936       TexOutput(_T("."));
 937       OnArgument(ltIT, 1, false);
 938       OnMacro(ltIT, 1, false);
 939     }
 940     if (bib->editor)
 941     {
 942       TexOutput(_T(", ed. "));
 943       TexOutput(bib->editor);
 944     }
 945     if (bib->publisher)
 946     {
 947       TexOutput(_T(" "));
 948       TexOutput(bib->publisher);
 949     }
 950     if (bib->address)
 951     {
 952       if (bib->publisher) TexOutput(_T(", "));
 953       else TexOutput(_T(" "));
 954       TexOutput(bib->address);
 955     }
 956     if (bib->publisher || bib->address)
 957       TexOutput(_T("."));
 958
 959     if (bib->volume)
 960     {
 961       TexOutput(_T(" "));
 962       OnMacro(ltBF, 1, true);
 963       OnArgument(ltBF, 1, true);
 964       TexOutput(bib->volume);
 965       OnArgument(ltBF, 1, false);
 966       OnMacro(ltBF, 1, false);
 967     }
 968     if (bib->number)
 969     {
 970       if (bib->volume)
 971       {
 972         TexOutput(_T("("));
 973         TexOutput(bib->number);
 974         TexOutput(_T(")."));
 975       }
 976       else
 977       {
 978         TexOutput(_T(" Number "));
 979         TexOutput(bib->number);
 980         TexOutput(_T("."));
 981       }
 982     }
 983     if (bib->chapter)
 984     {
 985       TexOutput(_T(" Chap. "));
 986       TexOutput(bib->chapter);
 987     }
 988     if (bib->pages)
 989     {
 990       if (bib->chapter) TexOutput(_T(", pages "));
 991       else TexOutput(_T(" Pages "));
 992       TexOutput(bib->pages);
 993       TexOutput(_T("."));
 994     }
 995   }
 996   OnArgument(ltNUMBEREDBIBITEM, 2, false);
 997   OnMacro(ltNUMBEREDBIBITEM, 2, false);
 998 }
 999
1000 void OutputBib(void)
1001 {
1002   // Write the heading
1003   ForceTopicName(_T("bibliography"));
1004   FakeCurrentSection(ReferencesNameString);
1005   ForceTopicName(NULL);
1006
1007   OnMacro(ltPAR, 0, true);
1008   OnMacro(ltPAR, 0, false);
1009
1010   if ((convertMode == TEX_RTF) && !winHelp)
1011   {
1012     OnMacro(ltPAR, 0, true);
1013     OnMacro(ltPAR, 0, false);
1014   }
1015
1016   wxStringListNode *node = CitationList.GetFirst();
1017   while (node)
1018   {
1019     wxChar *citeKey = (wxChar *)node->GetData();
1020 //    wxNode *texNode = TexReferences.Find(citeKey);
1021     TexRef *ref = (TexRef *)TexReferences.Get(citeKey);
1022     wxNode *bibNode = BibList.Find(citeKey);
1023     if (bibNode && ref)
1024     {
1025       BibEntry *entry = (BibEntry *)bibNode->GetData();
1026       OutputBibItem(ref, entry);
1027     }
1028     node = node->GetNext();
1029   }
1030 }
1031
1032 static int citeCount = 1;
1033
1034 void ResolveBibReferences(void)
1035 {
1036   if (CitationList.GetCount() > 0)
1037     OnInform(_T("Resolving bibliographic references..."));
1038
1039   citeCount = 1;
1040   wxChar buf[200];
1041   wxStringListNode *node = CitationList.GetFirst();
1042   while (node)
1043   {
1044     Tex2RTFYield();
1045     wxChar *citeKey = (wxChar *)node->GetData();
1046 //    wxNode *texNode = TexReferences.Find(citeKey);
1047     TexRef *ref = (TexRef *)TexReferences.Get(citeKey);
1048     wxNode *bibNode = BibList.Find(citeKey);
1049     if (bibNode && ref)
1050     {
1051       // Unused Variable
1052       //BibEntry *entry = (BibEntry *)bibNode->GetData();
1053       if (ref->sectionNumber) delete[] ref->sectionNumber;
1054       wxSnprintf(buf, sizeof(buf), _T("[%d]"), citeCount);
1055       ref->sectionNumber = copystring(buf);
1056       citeCount ++;
1057     }
1058     else
1059     {
1060       wxSnprintf(buf, sizeof(buf), _T("Warning: bib ref %s not resolved."), citeKey);
1061       OnInform(buf);
1062     }
1063     node = node->GetNext();
1064   }
1065 }
1066
1067 // Remember we need to resolve this citation
1068 void AddCitation(wxChar *citeKey)
1069 {
1070   if (!CitationList.Member(citeKey))
1071     CitationList.Add(citeKey);
1072
1073   if (!TexReferences.Get(citeKey))
1074   {
1075     TexReferences.Put(citeKey, new TexRef(citeKey, _T("??"), NULL));
1076   }
1077 }
1078
1079 TexRef *FindReference(wxChar *key)
1080 {
1081   return (TexRef *)TexReferences.Get(key);
1082 }
1083
1084 /*
1085  * Custom macro stuff
1086  *
1087  */
1088
1089 bool StringTobool(wxChar *val)
1090 {
1091   if (wxStrncmp(val, _T("yes"), 3) == 0 || wxStrncmp(val, _T("YES"), 3) == 0 ||
1092       wxStrncmp(val, _T("on"), 2) == 0 || wxStrncmp(val, _T("ON"), 2) == 0 ||
1093       wxStrncmp(val, _T("true"), 4) == 0 || wxStrncmp(val, _T("true"), 4) == 0 ||
1094       wxStrncmp(val, _T("ok"), 2) == 0 || wxStrncmp(val, _T("OK"), 2) == 0 ||
1095       wxStrncmp(val, _T("1"), 1) == 0)
1096     return true;
1097   else
1098     return false;
1099 }
1100
1101 void RegisterIntSetting (const wxString& s, int *number)
1102 {
1103     if (number)
1104     {
1105         long val;
1106         s.ToLong(&val);
1107         *number = (int)val;
1108     }
1109 }
1110
1111 // Define a variable value from the .ini file
1112 wxChar *RegisterSetting(wxChar *settingName, wxChar *settingValue, bool interactive)
1113 {
1114     wxString settingValueStr( settingValue );
1115
1116     static wxChar errorCode[100];
1117     wxStrcpy(errorCode, _T("OK"));
1118     if (StringMatch(settingName, _T("chapterName"), false, true))
1119     {
1120         delete[] ChapterNameString;
1121         ChapterNameString = copystring(settingValue);
1122     }
1123     else if (StringMatch(settingName, _T("sectionName"), false, true))
1124     {
1125         delete[] SectionNameString;
1126         SectionNameString = copystring(settingValue);
1127     }
1128     else if (StringMatch(settingName, _T("subsectionName"), false, true))
1129     {
1130         delete[] SubsectionNameString;
1131         SubsectionNameString = copystring(settingValue);
1132     }
1133     else if (StringMatch(settingName, _T("subsubsectionName"), false, true))
1134     {
1135         delete[] SubsubsectionNameString;
1136         SubsubsectionNameString = copystring(settingValue);
1137     }
1138     else if (StringMatch(settingName, _T("indexName"), false, true))
1139     {
1140         delete[] IndexNameString;
1141         IndexNameString = copystring(settingValue);
1142     }
1143     else if (StringMatch(settingName, _T("contentsName"), false, true))
1144     {
1145         delete[] ContentsNameString;
1146         ContentsNameString = copystring(settingValue);
1147     }
1148     else if (StringMatch(settingName, _T("glossaryName"), false, true))
1149     {
1150         delete[] GlossaryNameString;
1151         GlossaryNameString = copystring(settingValue);
1152     }
1153     else if (StringMatch(settingName, _T("referencesName"), false, true))
1154     {
1155         delete[] ReferencesNameString;
1156         ReferencesNameString = copystring(settingValue);
1157     }
1158     else if (StringMatch(settingName, _T("tablesName"), false, true))
1159     {
1160         delete[] TablesNameString;
1161         TablesNameString = copystring(settingValue);
1162     }
1163     else if (StringMatch(settingName, _T("figuresName"), false, true))
1164     {
1165         delete[] FiguresNameString;
1166         FiguresNameString = copystring(settingValue);
1167     }
1168     else if (StringMatch(settingName, _T("tableName"), false, true))
1169     {
1170         delete[] TableNameString;
1171         TableNameString = copystring(settingValue);
1172     }
1173     else if (StringMatch(settingName, _T("figureName"), false, true))
1174     {
1175         delete[] FigureNameString;
1176         FigureNameString = copystring(settingValue);
1177     }
1178     else if (StringMatch(settingName, _T("abstractName"), false, true))
1179     {
1180         delete[] AbstractNameString;
1181         AbstractNameString = copystring(settingValue);
1182     }
1183     else if (StringMatch(settingName, _T("chapterFontSize"), false, true))
1184         RegisterIntSetting(settingValueStr, &chapterFont);
1185     else if (StringMatch(settingName, _T("sectionFontSize"), false, true))
1186         RegisterIntSetting(settingValueStr, &sectionFont);
1187     else if (StringMatch(settingName, _T("subsectionFontSize"), false, true))
1188         RegisterIntSetting(settingValueStr, &subsectionFont);
1189     else if (StringMatch(settingName, _T("titleFontSize"), false, true))
1190         RegisterIntSetting(settingValueStr, &titleFont);
1191     else if (StringMatch(settingName, _T("authorFontSize"), false, true))
1192         RegisterIntSetting(settingValueStr, &authorFont);
1193     else if (StringMatch(settingName, _T("ignoreInput"), false, true))
1194         IgnorableInputFiles.Add(wxFileNameFromPath(settingValue));
1195     else if (StringMatch(settingName, _T("mirrorMargins"), false, true))
1196         mirrorMargins = StringTobool(settingValue);
1197     else if (StringMatch(settingName, _T("runTwice"), false, true))
1198         runTwice = StringTobool(settingValue);
1199     else if (StringMatch(settingName, _T("isInteractive"), false, true))
1200         isInteractive = StringTobool(settingValue);
1201     else if (StringMatch(settingName, _T("headerRule"), false, true))
1202         headerRule = StringTobool(settingValue);
1203     else if (StringMatch(settingName, _T("footerRule"), false, true))
1204         footerRule = StringTobool(settingValue);
1205     else if (StringMatch(settingName, _T("combineSubSections"), false, true))
1206         combineSubSections = StringTobool(settingValue);
1207     else if (StringMatch(settingName, _T("listLabelIndent"), false, true))
1208         RegisterIntSetting(settingValueStr, &labelIndentTab);
1209     else if (StringMatch(settingName, _T("listItemIndent"), false, true))
1210         RegisterIntSetting(settingValueStr, &itemIndentTab);
1211     else if (StringMatch(settingName, _T("useUpButton"), false, true))
1212         useUpButton = StringTobool(settingValue);
1213     else if (StringMatch(settingName, _T("useHeadingStyles"), false, true))
1214         useHeadingStyles = StringTobool(settingValue);
1215     else if (StringMatch(settingName, _T("useWord"), false, true))
1216         useWord = StringTobool(settingValue);
1217     else if (StringMatch(settingName, _T("contentsDepth"), false, true))
1218         RegisterIntSetting(settingValueStr, &contentsDepth);
1219     else if (StringMatch(settingName, _T("generateHPJ"), false, true))
1220         generateHPJ = StringTobool(settingValue);
1221     else if (StringMatch(settingName, _T("truncateFilenames"), false, true))
1222         truncateFilenames = StringTobool(settingValue);
1223     else if (StringMatch(settingName, _T("winHelpVersion"), false, true))
1224         RegisterIntSetting(settingValueStr, &winHelpVersion);
1225     else if (StringMatch(settingName, _T("winHelpContents"), false, true))
1226         winHelpContents = StringTobool(settingValue);
1227     else if (StringMatch(settingName, _T("htmlIndex"), false, true))
1228         htmlIndex = StringTobool(settingValue);
1229     else if (StringMatch(settingName, _T("htmlWorkshopFiles"), false, true))
1230         htmlWorkshopFiles = StringTobool(settingValue);
1231     else if (StringMatch(settingName, _T("htmlFrameContents"), false, true))
1232         htmlFrameContents = StringTobool(settingValue);
1233     else if (StringMatch(settingName, _T("htmlStylesheet"), false, true))
1234     {
1235         if (htmlStylesheet)
1236             delete[] htmlStylesheet;
1237         htmlStylesheet = copystring(settingValue);
1238     }
1239     else if (StringMatch(settingName, _T("upperCaseNames"), false, true))
1240         upperCaseNames = StringTobool(settingValue);
1241     else if (StringMatch(settingName, _T("ignoreBadRefs"), false, true))
1242         ignoreBadRefs = StringTobool(settingValue);
1243     else if (StringMatch(settingName, _T("htmlFaceName"), false, true))
1244     {
1245         delete[] htmlFaceName;
1246         htmlFaceName = copystring(settingValue);
1247     }
1248     else if (StringMatch(settingName, _T("winHelpTitle"), false, true))
1249     {
1250         if (winHelpTitle)
1251             delete[] winHelpTitle;
1252         winHelpTitle = copystring(settingValue);
1253     }
1254     else if (StringMatch(settingName, _T("indexSubsections"), false, true))
1255         indexSubsections = StringTobool(settingValue);
1256     else if (StringMatch(settingName, _T("compatibility"), false, true))
1257         compatibilityMode = StringTobool(settingValue);
1258     else if (StringMatch(settingName, _T("defaultColumnWidth"), false, true))
1259     {
1260         RegisterIntSetting(settingValueStr, &defaultTableColumnWidth);
1261         defaultTableColumnWidth = 20*defaultTableColumnWidth;
1262     }
1263     else if (StringMatch(settingName, _T("bitmapMethod"), false, true))
1264     {
1265         if ((wxStrcmp(settingValue, _T("includepicture")) != 0) && (wxStrcmp(settingValue, _T("hex")) != 0) &&
1266             (wxStrcmp(settingValue, _T("import")) != 0))
1267         {
1268             if (interactive)
1269                 OnError(_T("Unknown bitmapMethod"));
1270             wxStrcpy(errorCode, _T("Unknown bitmapMethod"));
1271         }
1272         else
1273         {
1274             delete[] bitmapMethod;
1275             bitmapMethod = copystring(settingValue);
1276         }
1277     }
1278     else if (StringMatch(settingName, _T("htmlBrowseButtons"), false, true))
1279     {
1280         if (wxStrcmp(settingValue, _T("none")) == 0)
1281             htmlBrowseButtons = HTML_BUTTONS_NONE;
1282         else if (wxStrcmp(settingValue, _T("bitmap")) == 0)
1283             htmlBrowseButtons = HTML_BUTTONS_BITMAP;
1284         else if (wxStrcmp(settingValue, _T("text")) == 0)
1285             htmlBrowseButtons = HTML_BUTTONS_TEXT;
1286         else
1287         {
1288             if (interactive)
1289                 OnInform(_T("Initialisation file error: htmlBrowseButtons must be one of none, bitmap, or text."));
1290             wxStrcpy(errorCode, _T("Initialisation file error: htmlBrowseButtons must be one of none, bitmap, or text."));
1291         }
1292     }
1293     else if (StringMatch(settingName, _T("backgroundImage"), false, true))
1294     {
1295         backgroundImageString = copystring(settingValue);
1296     }
1297     else if (StringMatch(settingName, _T("backgroundColour"), false, true))
1298     {
1299         delete[] backgroundColourString;
1300         backgroundColourString = copystring(settingValue);
1301     }
1302     else if (StringMatch(settingName, _T("textColour"), false, true))
1303     {
1304         textColourString = copystring(settingValue);
1305     }
1306     else if (StringMatch(settingName, _T("linkColour"), false, true))
1307     {
1308         linkColourString = copystring(settingValue);
1309     }
1310     else if (StringMatch(settingName, _T("followedLinkColour"), false, true))
1311     {
1312         followedLinkColourString = copystring(settingValue);
1313     }
1314     else if (StringMatch(settingName, _T("conversionMode"), false, true))
1315     {
1316         if (StringMatch(settingValue, _T("RTF"), false, true))
1317         {
1318             winHelp = false; convertMode = TEX_RTF;
1319         }
1320         else if (StringMatch(settingValue, _T("WinHelp"), false, true))
1321         {
1322             winHelp = true; convertMode = TEX_RTF;
1323         }
1324         else if (StringMatch(settingValue, _T("XLP"), false, true) ||
1325                  StringMatch(settingValue, _T("wxHelp"), false, true))
1326         {
1327             convertMode = TEX_XLP;
1328         }
1329         else if (StringMatch(settingValue, _T("HTML"), false, true))
1330         {
1331             convertMode = TEX_HTML;
1332         }
1333         else
1334         {
1335             if (interactive)
1336                 OnInform(_T("Initialisation file error: conversionMode must be one of\nRTF, WinHelp, XLP (or wxHelp), HTML."));
1337             wxStrcpy(errorCode, _T("Initialisation file error: conversionMode must be one of\nRTF, WinHelp, XLP (or wxHelp), HTML."));
1338         }
1339     }
1340     else if (StringMatch(settingName, _T("documentFontSize"), false, true))
1341     {
1342         int n;
1343         RegisterIntSetting(settingValueStr, &n);
1344         if (n == 10 || n == 11 || n == 12)
1345             SetFontSizes(n);
1346         else
1347         {
1348             wxChar buf[200];
1349             wxSnprintf(buf, sizeof(buf), _T("Initialisation file error: nonstandard document font size %d."), n);
1350             if (interactive)
1351                 OnInform(buf);
1352             wxStrcpy(errorCode, buf);
1353         }
1354     }
1355     else
1356     {
1357         wxChar buf[200];
1358         wxSnprintf(buf, sizeof(buf), _T("Initialisation file error: unrecognised setting %s."), settingName);
1359         if (interactive)
1360             OnInform(buf);
1361         wxStrcpy(errorCode, buf);
1362     }
1363     return errorCode;
1364 }
1365
1366 bool ReadCustomMacros(wxChar *filename)
1367 {
1368   if (!wxFileExists(filename))
1369       return false;
1370
1371   wxString name = filename;
1372   wxSTD ifstream istr((char const *)name.fn_str(), wxSTD ios::in);
1373
1374   if (istr.bad()) return false;
1375
1376   CustomMacroList.Clear();
1377   char ch;
1378   wxChar macroName[100];
1379   wxChar macroBody[1000];
1380   int noArgs;
1381
1382   while (!istr.eof())
1383   {
1384     BibEatWhiteSpace(istr);
1385     istr.get(ch);
1386     if (istr.eof())
1387       break;
1388
1389     if (ch != '\\') // Not a macro definition, so must be NAME=VALUE
1390     {
1391       wxChar settingName[100];
1392       settingName[0] = ch;
1393       BibReadWord(istr, (settingName+1));
1394       BibEatWhiteSpace(istr);
1395       istr.get(ch);
1396       if (ch != '=')
1397       {
1398         OnError(_T("Expected = following name: malformed tex2rtf.ini file."));
1399         return false;
1400       }
1401       else
1402       {
1403         wxChar settingValue[200];
1404         BibEatWhiteSpace(istr);
1405         BibReadToEOL(istr, settingValue);
1406         RegisterSetting(settingName, settingValue);
1407       }
1408     }
1409     else
1410     {
1411       BibReadWord(istr, macroName);
1412       BibEatWhiteSpace(istr);
1413       istr.get(ch);
1414       if (ch != '[')
1415       {
1416         OnError(_T("Expected [ followed by number of arguments: malformed tex2rtf.ini file."));
1417         return false;
1418       }
1419       istr >> noArgs;
1420       istr.get(ch);
1421       if (ch != ']')
1422       {
1423         OnError(_T("Expected ] following number of arguments: malformed tex2rtf.ini file."));
1424         return false;
1425       }
1426       BibEatWhiteSpace(istr);
1427       istr.get(ch);
1428       if (ch != '{')
1429       {
1430         OnError(_T("Expected { followed by macro body: malformed tex2rtf.ini file."));
1431         return false;
1432       }
1433       CustomMacro *macro = new CustomMacro(macroName, noArgs, NULL);
1434       BibReadValue(istr, macroBody, false, false); // Don't ignore extra braces
1435       if (wxStrlen(macroBody) > 0)
1436         macro->macroBody = copystring(macroBody);
1437
1438       BibEatWhiteSpace(istr);
1439       CustomMacroList.Append(macroName, macro);
1440       AddMacroDef(ltCUSTOM_MACRO, macroName, noArgs);
1441     }
1442   }
1443   wxChar mbuf[200];
1444   wxSnprintf(mbuf, sizeof(mbuf), _T("Read initialization file %s."), filename);
1445   OnInform(mbuf);
1446   return true;
1447 }
1448
1449 CustomMacro *FindCustomMacro(wxChar *name)
1450 {
1451   wxNode *node = CustomMacroList.Find(name);
1452   if (node)
1453   {
1454     CustomMacro *macro = (CustomMacro *)node->GetData();
1455     return macro;
1456   }
1457   return NULL;
1458 }
1459
1460 // Display custom macros
1461 void ShowCustomMacros(void)
1462 {
1463   wxNode *node = CustomMacroList.GetFirst();
1464   if (!node)
1465   {
1466     OnInform(_T("No custom macros loaded.\n"));
1467     return;
1468   }
1469
1470   wxChar buf[400];
1471   while (node)
1472   {
1473     CustomMacro *macro = (CustomMacro *)node->GetData();
1474     wxSnprintf(buf, sizeof(buf), _T("\\%s[%d]\n    {%s}"), macro->macroName, macro->noArgs,
1475      macro->macroBody ? macro->macroBody : _T(""));
1476     OnInform(buf);
1477     node = node->GetNext();
1478   }
1479 }
1480
1481 // Parse a string into several comma-separated fields
1482 wxChar *ParseMultifieldString(wxChar *allFields, int *pos)
1483 {
1484   static wxChar buffer[300];
1485   int i = 0;
1486   int fieldIndex = *pos;
1487   int len = wxStrlen(allFields);
1488   int oldPos = *pos;
1489   bool keepGoing = true;
1490   while ((fieldIndex <= len) && keepGoing)
1491   {
1492     if (allFields[fieldIndex] == _T(' '))
1493     {
1494       // Skip
1495       fieldIndex ++;
1496     }
1497     else if (allFields[fieldIndex] == _T(','))
1498     {
1499       *pos = fieldIndex + 1;
1500       keepGoing = false;
1501     }
1502     else if (allFields[fieldIndex] == 0)
1503     {
1504       *pos = fieldIndex + 1;
1505       keepGoing = false;
1506     }
1507     else
1508     {
1509       buffer[i] = allFields[fieldIndex];
1510       fieldIndex ++;
1511       i++;
1512     }
1513   }
1514   buffer[i] = 0;
1515   if (oldPos == (*pos))
1516     *pos = len + 1;
1517
1518   if (i == 0)
1519     return NULL;
1520   else
1521     return buffer;
1522 }
1523
1524 /*
1525  * Colour tables
1526  *
1527  */
1528
1529 ColourTableEntry::ColourTableEntry(const wxChar *theName, unsigned int r,  unsigned int g,  unsigned int b)
1530 {
1531   name = copystring(theName);
1532   red = r;
1533   green = g;
1534   blue = b;
1535 }
1536
1537 ColourTableEntry::~ColourTableEntry(void)
1538 {
1539   delete[] name;
1540 }
1541
1542 void AddColour(const wxChar *theName, unsigned int r,  unsigned int g,  unsigned int b)
1543 {
1544   wxNode *node = ColourTable.Find(theName);
1545   if (node)
1546   {
1547     ColourTableEntry *entry = (ColourTableEntry *)node->GetData();
1548     if (entry->red == r || entry->green == g || entry->blue == b)
1549       return;
1550     else
1551     {
1552       delete entry;
1553       delete node;
1554     }
1555   }
1556   ColourTableEntry *entry = new ColourTableEntry(theName, r, g, b);
1557   ColourTable.Append(theName, entry);
1558 }
1559
1560 int FindColourPosition(wxChar *theName)
1561 {
1562   int i = 0;
1563   wxNode *node = ColourTable.GetFirst();
1564   while (node)
1565   {
1566     ColourTableEntry *entry = (ColourTableEntry *)node->GetData();
1567     if (wxStrcmp(theName, entry->name) == 0)
1568       return i;
1569     i ++;
1570     node = node->GetNext();
1571   }
1572   return -1;
1573 }
1574
1575 // Converts e.g. "red" -> "#FF0000"
1576 extern void DecToHex(int, wxChar *);
1577 bool FindColourHTMLString(wxChar *theName, wxChar *buf)
1578 {
1579   wxNode *node = ColourTable.GetFirst();
1580   while (node)
1581   {
1582     ColourTableEntry *entry = (ColourTableEntry *)node->GetData();
1583     if (wxStrcmp(theName, entry->name) == 0)
1584     {
1585         wxStrcpy(buf, _T("#"));
1586
1587         wxChar buf2[3];
1588         DecToHex(entry->red, buf2);
1589         wxStrcat(buf, buf2);
1590         DecToHex(entry->green, buf2);
1591         wxStrcat(buf, buf2);
1592         DecToHex(entry->blue, buf2);
1593         wxStrcat(buf, buf2);
1594
1595         return true;
1596     }
1597     node = node->GetNext();
1598   }
1599   return false;
1600 }
1601
1602
1603 void InitialiseColourTable(void)
1604 {
1605   // \\red0\\green0\\blue0;
1606   AddColour(_T("black"), 0,0,0);
1607
1608   // \\red0\\green0\\blue255;\\red0\\green255\\blue255;\n");
1609   AddColour(_T("cyan"), 0,255,255);
1610
1611   // \\red0\\green255\\blue0;
1612   AddColour(_T("green"), 0,255,0);
1613
1614   // \\red255\\green0\\blue255;
1615   AddColour(_T("magenta"), 255,0,255);
1616
1617   // \\red255\\green0\\blue0;
1618   AddColour(_T("red"), 255,0,0);
1619
1620   // \\red255\\green255\\blue0;
1621   AddColour(_T("yellow"), 255,255,0);
1622
1623   // \\red255\\green255\\blue255;}");
1624   AddColour(_T("white"), 255,255,255);
1625 }
1626
1627 /*
1628  * The purpose of this is to reduce the number of times wxYield is
1629  * called, since under Windows this can slow things down.
1630  */
1631
1632 void Tex2RTFYield(bool force)
1633 {
1634 #ifdef __WINDOWS__
1635     static int yieldCount = 0;
1636
1637     if (isSync)
1638         return;
1639
1640     if (force)
1641     yieldCount = 0;
1642     if (yieldCount == 0)
1643     {
1644         if (wxTheApp)
1645             wxYield();
1646         yieldCount = 10;
1647     }
1648     yieldCount --;
1649 #else
1650     wxUnusedVar(force);
1651 #endif
1652 }
1653
1654 // In both RTF generation and HTML generation for wxHelp version 2,
1655 // we need to associate \indexed keywords with the current filename/topics.
1656
1657 // Hash table for lists of keywords for topics (WinHelp).
1658 wxHashTable TopicTable(wxKEY_STRING);
1659 void AddKeyWordForTopic(wxChar *topic, wxChar *entry, wxChar *filename)
1660 {
1661   TexTopic *texTopic = (TexTopic *)TopicTable.Get(topic);
1662   if (!texTopic)
1663   {
1664     texTopic = new TexTopic(filename);
1665     texTopic->keywords = new wxStringList;
1666     TopicTable.Put(topic, texTopic);
1667   }
1668
1669   if (!texTopic->keywords->Member(entry))
1670     texTopic->keywords->Add(entry);
1671 }
1672
1673 void ClearKeyWordTable(void)
1674 {
1675   TopicTable.BeginFind();
1676   wxHashTable::Node *node = TopicTable.Next();
1677   while (node)
1678   {
1679     TexTopic *texTopic = (TexTopic *)node->GetData();
1680     delete texTopic;
1681     node = TopicTable.Next();
1682   }
1683   TopicTable.Clear();
1684 }
1685
1686
1687 /*
1688  * TexTopic structure
1689  */
1690
1691 TexTopic::TexTopic(wxChar *f)
1692 {
1693   if (f)
1694     filename = copystring(f);
1695   else
1696     filename = NULL;
1697   hasChildren = false;
1698   keywords = NULL;
1699 }
1700
1701 TexTopic::~TexTopic(void)
1702 {
1703   if (keywords)
1704     delete keywords;
1705   if (filename)
1706     delete[] filename;
1707 }
1708
1709 // Convert case, according to upperCaseNames setting.
1710 wxChar *ConvertCase(wxChar *s)
1711 {
1712   static wxChar buf[256];
1713   int len = wxStrlen(s);
1714   int i;
1715   if (upperCaseNames)
1716     for (i = 0; i < len; i ++)
1717       buf[i] = (wxChar)wxToupper(s[i]);
1718   else
1719     for (i = 0; i < len; i ++)
1720       buf[i] = (wxChar)wxTolower(s[i]);
1721   buf[i] = 0;
1722   return buf;
1723 }
1724
1725 // if substring is true, search for str1 in str2
1726 bool StringMatch(const wxChar *str1, const wxChar *str2, bool subString,
1727                  bool exact)
1728 {
1729    if (subString)
1730    {
1731       wxString Sstr1(str1);
1732       wxString Sstr2(str2);
1733       if (!exact)
1734       {
1735           Sstr1.MakeUpper();
1736           Sstr2.MakeUpper();
1737       }
1738       return Sstr2.Index(Sstr1) != (size_t)wxNOT_FOUND;
1739    }
1740    else
1741       return exact ? wxString(str2).Cmp(str1) == 0 :
1742                      wxString(str2).CmpNoCase(str1) == 0;
1743 }