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 static inline void StringToInt (const wxChar *s, int *number)
  51 {
  52   if (s && *s && number)
  53     *number = (int) wxStrtol (s, (wxChar **) NULL, 10);
  54 }
  55 #endif
  56
  57 wxHashTable TexReferences(wxKEY_STRING);
  58 wxList BibList(wxKEY_STRING);
  59 wxStringList CitationList;
  60 wxList ColourTable(wxKEY_STRING);
  61 wxHashTable BibStringTable(wxKEY_STRING);
  62 wxList CustomMacroList(wxKEY_STRING);
  63 TexChunk *currentSection = NULL;
  64 wxChar *fakeCurrentSection = NULL;
  65
  66 static long BibLine = 1;
  67
  68 void OutputCurrentSection(void)
  69 {
  70   if (fakeCurrentSection)
  71     TexOutput(fakeCurrentSection);
  72   else if (currentSection)
  73     TraverseChildrenFromChunk(currentSection);
  74 }
  75
  76 // Nasty but the way things are done now, necessary,
  77 // in order to output a chunk properly to a string (macros and all).
  78 void OutputCurrentSectionToString(wxChar *buf)
  79 {
  80     if (fakeCurrentSection)
  81         wxStrcpy(buf, fakeCurrentSection);
  82     else
  83         OutputChunkToString(currentSection, buf);
  84 }
  85
  86 void OutputChunkToString(TexChunk *chunk, wxChar *buf)
  87 {
  88   FILE *tempfd = wxFopen(_T("tmp.tmp"), _T("w"));
  89   if (!tempfd)
  90     return;
  91
  92   FILE *old1 = CurrentOutput1;
  93   FILE *old2 = CurrentOutput2;
  94
  95   CurrentOutput1 = tempfd;
  96   CurrentOutput2 = NULL;
  97
  98   TraverseChildrenFromChunk(chunk);
  99
 100   CurrentOutput1 = old1;
 101   CurrentOutput2 = old2;
 102
 103   fclose(tempfd);
 104
 105   // Read from file into string
 106   tempfd = wxFopen(_T("tmp.tmp"), _T("r"));
 107   if (!tempfd)
 108     return;
 109
 110   buf[0] = 0;
 111   int ch = -2;
 112   int i = 0;
 113   while (ch != EOF)
 114   {
 115     ch = getc(tempfd);
 116     if (ch == EOF)
 117       buf[i] = 0;
 118     else
 119     {
 120       buf[i] = ch;
 121       i ++;
 122     }
 123   }
 124   fclose(tempfd);
 125   wxRemoveFile(_T("tmp.tmp"));
 126 }
 127
 128 // Called by Tex2Any to simulate a section
 129 void FakeCurrentSection(wxChar *fakeSection, bool addToContents)
 130 {
 131   currentSection = NULL;
 132   if (fakeCurrentSection) delete[] fakeCurrentSection;
 133   fakeCurrentSection = copystring(fakeSection);
 134
 135   if (DocumentStyle == LATEX_ARTICLE)
 136   {
 137     int mac = ltSECTIONHEADING;
 138     if (!addToContents)
 139       mac = ltSECTIONHEADINGSTAR;
 140     OnMacro(mac, 0, true);
 141     OnMacro(mac, 0, false);
 142   }
 143   else
 144   {
 145     int mac = ltCHAPTERHEADING;
 146     if (!addToContents)
 147       mac = ltCHAPTERHEADINGSTAR;
 148     OnMacro(mac, 0, true);
 149     OnMacro(mac, 0, false);
 150   }
 151   if (fakeCurrentSection) delete[] fakeCurrentSection;
 152   fakeCurrentSection = NULL;
 153 }
 154
 155 // Look for \label macro, use this ref name if found or
 156 // make up a topic name otherwise.
 157 static long topicCounter = 0;
 158
 159 void ResetTopicCounter(void)
 160 {
 161   topicCounter = 0;
 162 }
 163
 164 static wxChar *forceTopicName = NULL;
 165
 166 void ForceTopicName(const wxChar *name)
 167 {
 168   if (forceTopicName)
 169     delete[] forceTopicName;
 170   if (name)
 171     forceTopicName = copystring(name);
 172   else
 173     forceTopicName = NULL;
 174 }
 175
 176 wxChar *FindTopicName(TexChunk *chunk)
 177 {
 178   if (forceTopicName)
 179     return forceTopicName;
 180
 181   wxChar *topicName = NULL;
 182   static wxChar topicBuf[100];
 183
 184   if (chunk && (chunk->type == CHUNK_TYPE_MACRO) &&
 185       (chunk->macroId == ltLABEL))
 186   {
 187     wxNode *node = chunk->children.GetFirst();
 188     if (node)
 189     {
 190       TexChunk *child = (TexChunk *)node->GetData();
 191       if (child->type == CHUNK_TYPE_ARG)
 192       {
 193         wxNode *snode = child->children.GetFirst();
 194         if (snode)
 195         {
 196           TexChunk *schunk = (TexChunk *)snode->GetData();
 197           if (schunk->type == CHUNK_TYPE_STRING)
 198             topicName = schunk->value;
 199         }
 200       }
 201     }
 202   }
 203   if (topicName)
 204     return topicName;
 205   else
 206   {
 207     wxSnprintf(topicBuf, sizeof(topicBuf), _T("topic%ld"), topicCounter);
 208     topicCounter ++;
 209     return topicBuf;
 210   }
 211 }
 212
 213 /*
 214  * Simulate argument data, so we can 'drive' clients which implement
 215  * certain basic formatting behaviour.
 216  * Snag is that some save a TexChunk, so don't use yet...
 217  *
 218  */
 219
 220 void StartSimulateArgument(wxChar *data)
 221 {
 222   wxStrcpy(currentArgData, data);
 223   haveArgData = true;
 224 }
 225
 226 void EndSimulateArgument(void)
 227 {
 228   haveArgData = false;
 229 }
 230
 231 /*
 232  * Parse and convert unit arguments to points
 233  *
 234  */
 235
 236 int ParseUnitArgument(wxChar *unitArg)
 237 {
 238   float conversionFactor = 1.0;
 239   float unitValue = 0.0;
 240   int len = wxStrlen(unitArg);
 241   // Get rid of any accidentally embedded commands
 242   for (int i = 0; i < len; i++)
 243     if (unitArg[i] == '\\')
 244       unitArg[i] = 0;
 245   len = wxStrlen(unitArg);
 246
 247   if (unitArg && (len > 0) && (isdigit(unitArg[0]) || unitArg[0] == '-'))
 248   {
 249     wxSscanf(unitArg, _T("%f"), &unitValue);
 250     if (len > 1)
 251     {
 252       wxChar units[3];
 253       units[0] = unitArg[len-2];
 254       units[1] = unitArg[len-1];
 255       units[2] = 0;
 256       if (wxStrcmp(units, _T("in")) == 0)
 257         conversionFactor = 72.0;
 258       else if (wxStrcmp(units, _T("cm")) == 0)
 259         conversionFactor = (float)72.0/(float)2.51;
 260       else if (wxStrcmp(units, _T("mm")) == 0)
 261         conversionFactor = (float)72.0/(float)25.1;
 262       else if (wxStrcmp(units, _T("pt")) == 0)
 263         conversionFactor = 1;
 264     }
 265     return (int)(unitValue*conversionFactor);
 266   }
 267   else return 0;
 268 }
 269
 270 /*
 271  * Strip off any extension (dot something) from end of file,
 272  * IF one exists. Inserts zero into buffer.
 273  *
 274  */
 275
 276 void StripExtension(wxChar *buffer)
 277 {
 278   int len = wxStrlen(buffer);
 279   int i = len-1;
 280   while (i > 0)
 281   {
 282     if (buffer[i] == '.')
 283     {
 284       buffer[i] = 0;
 285       break;
 286     }
 287     i --;
 288   }
 289 }
 290
 291 /*
 292  * Latex font setting
 293  *
 294  */
 295
 296 void SetFontSizes(int pointSize)
 297 {
 298   switch (pointSize)
 299   {
 300     case 12:
 301     {
 302       normalFont = 12;
 303       smallFont = 10;
 304       tinyFont = 8;
 305       largeFont1 = 14;
 306       LargeFont2 = 16;
 307       LARGEFont3 = 20;
 308       hugeFont1 = 24;
 309       HugeFont2 = 28;
 310       HUGEFont3 = 32;
 311       break;
 312     }
 313     case 11:
 314     {
 315       normalFont = 11;
 316       smallFont = 9;
 317       tinyFont = 7;
 318       largeFont1 = 13;
 319       LargeFont2 = 16;
 320       LARGEFont3 = 19;
 321       hugeFont1 = 22;
 322       HugeFont2 = 26;
 323       HUGEFont3 = 30;
 324       break;
 325     }
 326     case 10:
 327     {
 328       normalFont = 10;
 329       smallFont = 8;
 330       tinyFont = 6;
 331       largeFont1 = 12;
 332       LargeFont2 = 14;
 333       LARGEFont3 = 18;
 334       hugeFont1 = 20;
 335       HugeFont2 = 24;
 336       HUGEFont3 = 28;
 337       break;
 338     }
 339   }
 340 }
 341
 342
 343 /*
 344  * Latex references
 345  *
 346  */
 347
 348 void AddTexRef(wxChar *name, wxChar *file, wxChar *sectionName,
 349                int chapter, int section, int subsection, int subsubsection)
 350 {
 351   TexRef *texRef = (TexRef *)TexReferences.Get(name);
 352   if (texRef) TexReferences.Delete(name);
 353
 354   wxChar buf[100];
 355   buf[0] = 0;
 356 /*
 357   if (sectionName)
 358   {
 359     wxStrcat(buf, sectionName);
 360     wxStrcat(buf, " ");
 361   }
 362 */
 363   if (chapter)
 364   {
 365     wxChar buf2[10];
 366     wxSnprintf(buf2, sizeof(buf2), _T("%d"), chapter);
 367     wxStrcat(buf, buf2);
 368   }
 369   if (section)
 370   {
 371     wxChar buf2[10];
 372     if (chapter)
 373       wxStrcat(buf, _T("."));
 374
 375     wxSnprintf(buf2, sizeof(buf2), _T("%d"), section);
 376     wxStrcat(buf, buf2);
 377   }
 378   if (subsection)
 379   {
 380     wxChar buf2[10];
 381     wxStrcat(buf, _T("."));
 382     wxSnprintf(buf2, sizeof(buf2), _T("%d"), subsection);
 383     wxStrcat(buf, buf2);
 384   }
 385   if (subsubsection)
 386   {
 387     wxChar buf2[10];
 388     wxStrcat(buf, _T("."));
 389     wxSnprintf(buf2, sizeof(buf2), _T("%d"), subsubsection);
 390     wxStrcat(buf, buf2);
 391   }
 392   wxChar *tmp = ((wxStrlen(buf) > 0) ? buf : (wxChar *)NULL);
 393   TexReferences.Put(name, new TexRef(name, file, tmp, sectionName));
 394 }
 395
 396 void WriteTexReferences(wxChar *filename)
 397 {
 398   wxString converter;
 399   wxString name = filename;
 400   wxSTD ofstream ostr((char const *)name.fn_str());
 401   if (ostr.bad()) return;
 402
 403   TexReferences.BeginFind();
 404   wxNode *node = TexReferences.Next();
 405   while (node)
 406   {
 407     Tex2RTFYield();
 408     TexRef *ref = (TexRef *)node->GetData();
 409     converter = ref->refLabel;
 410     ostr << converter.mb_str();
 411     ostr << " ";
 412     converter = (ref->refFile ? ref->refFile : _T("??"));
 413     ostr << converter.mb_str();
 414     ostr << " ";
 415     converter = (ref->sectionName ? ref->sectionName : _T("??")) ;
 416     ostr << converter.mb_str();
 417     ostr << " ";
 418     converter = (ref->sectionNumber ? ref->sectionNumber : _T("??")) ;
 419     ostr << converter.mb_str();
 420     ostr << "\n";
 421     if (!ref->sectionNumber || (wxStrcmp(ref->sectionNumber, _T("??")) == 0 && wxStrcmp(ref->sectionName, _T("??")) == 0))
 422     {
 423       wxChar buf[200];
 424       wxSnprintf(buf, sizeof(buf), _T("Warning: reference %s not resolved."), ref->refLabel);
 425       OnInform(buf);
 426     }
 427     node = TexReferences.Next();
 428   }
 429 }
 430
 431 void ReadTexReferences(wxChar *filename)
 432 {
 433   if (!wxFileExists(filename))
 434       return;
 435
 436   wxString name = filename;
 437   wxSTD ifstream istr((char const *)name.fn_str(), wxSTD ios::in);
 438
 439   if (istr.bad()) return;
 440
 441   char label[100];
 442   char file[400];
 443   char section[100];
 444   char sectionName[100];
 445
 446   while (!istr.eof())
 447   {
 448     istr >> label;
 449     if (!istr.eof())
 450     {
 451       istr >> file;
 452           istr >> sectionName;
 453       char ch;
 454       istr.get(ch); // Read past space
 455       istr.get(ch);
 456       int i = 0;
 457       while (ch != '\n' && !istr.eof())
 458       {
 459         section[i] = ch;
 460         i ++;
 461         istr.get(ch);
 462       }
 463       section[i] = 0;
 464
 465       wxString label_string       = wxString::FromAscii(label);
 466       wxString file_string        = wxString::FromAscii(file);
 467       wxString sectionName_string = wxString::FromAscii(sectionName);
 468       wxString section_string     = wxString::FromAscii(section);
 469
 470       // gt - needed to trick the hash table "TexReferences" into deleting the key
 471       // strings it creates in the Put() function, but not the item that is
 472       // created here, as that is destroyed elsewhere.  Without doing this, there
 473       // were massive memory leaks
 474       TexReferences.DeleteContents(true);
 475       TexReferences.Put(
 476         label_string.c_str(),
 477         new TexRef(
 478               label_string.c_str(),
 479               file_string.c_str(),
 480               section_string.c_str(),
 481               sectionName_string.c_str()
 482         )
 483       );
 484       TexReferences.DeleteContents(false);
 485     }
 486   }
 487 }
 488
 489
 490 /*
 491  * Bibliography-handling code
 492  *
 493  */
 494
 495 void BibEatWhiteSpace(wxSTD istream& str)
 496 {
 497   char ch = str.peek();
 498
 499   while (!str.eof() && (ch == ' ' || ch == '\t' || ch == 13 || ch == 10 || ch == EOF))
 500   {
 501     if (ch == 10)
 502       BibLine ++;
 503     str.get(ch);
 504     if ((ch == EOF) || str.eof()) return;
 505     ch = str.peek();
 506   }
 507
 508   // Ignore end-of-line comments
 509   if (ch == '%' || ch == ';' || ch == '#')
 510   {
 511     str.get(ch);
 512     ch = str.peek();
 513     while (ch != 10 && ch != 13 && !str.eof())
 514     {
 515       str.get(ch);
 516       ch = str.peek();
 517     }
 518     BibEatWhiteSpace(str);
 519   }
 520 }
 521
 522 // Read word up to { or , or space
 523 void BibReadWord(wxSTD istream& istr, wxChar *buffer)
 524 {
 525   int i = 0;
 526   buffer[i] = 0;
 527   char ch = istr.peek();
 528   while (!istr.eof() && ch != ' ' && ch != '{' && ch != '(' && ch != 13 && ch != 10 && ch != '\t' &&
 529          ch != ',' && ch != '=')
 530   {
 531     istr.get(ch);
 532     buffer[i] = ch;
 533     i ++;
 534     ch = istr.peek();
 535   }
 536   buffer[i] = 0;
 537 }
 538
 539 // Read string (double-quoted or not) to end quote or EOL
 540 void BibReadToEOL(wxSTD istream& istr, wxChar *buffer)
 541 {
 542   int i = 0;
 543   buffer[i] = 0;
 544   char ch = istr.peek();
 545   bool inQuotes = false;
 546   if (ch == '"')
 547   {
 548     istr.get(ch);
 549     ch = istr.peek();
 550     inQuotes = true;
 551   }
 552   // If in quotes, read white space too. If not,
 553   // stop at white space or comment.
 554   while (!istr.eof() && ch != 13 && ch != 10 && ch != _T('"') &&
 555          (inQuotes || ((ch != _T(' ')) && (ch != 9) &&
 556                         (ch != _T(';')) && (ch != _T('%')) && (ch != _T('#')))))
 557   {
 558     istr.get(ch);
 559     buffer[i] = ch;
 560     i ++;
 561     ch = istr.peek();
 562   }
 563   if (ch == '"')
 564     istr.get(ch);
 565   buffer[i] = 0;
 566 }
 567
 568 // Read }-terminated value, taking nested braces into account.
 569 void BibReadValue(wxSTD istream& istr, wxChar *buffer, bool ignoreBraces = true,
 570                   bool quotesMayTerminate = true)
 571 {
 572   int braceCount = 1;
 573   int i = 0;
 574   buffer[i] = 0;
 575   char ch = istr.peek();
 576   bool stopping = false;
 577   while (!istr.eof() && !stopping)
 578   {
 579 //    i ++;
 580     if (i >= 4000)
 581     {
 582       wxChar buf[100];
 583       wxSnprintf(buf, sizeof(buf), _T("Sorry, value > 4000 chars in bib file at line %ld."), BibLine);
 584       wxLogError(buf, "Tex2RTF Fatal Error");
 585       return;
 586     }
 587     istr.get(ch);
 588
 589     if (ch == '{')
 590       braceCount ++;
 591
 592     if (ch == '}')
 593     {
 594       braceCount --;
 595       if (braceCount == 0)
 596       {
 597         stopping = true;
 598         break;
 599       }
 600     }
 601     else if (quotesMayTerminate && ch == '"')
 602     {
 603       stopping = true;
 604       break;
 605     }
 606     if (!stopping)
 607     {
 608       if (!ignoreBraces || (ch != '{' && ch != '}'))
 609       {
 610         buffer[i] = ch;
 611         i ++;
 612       }
 613     }
 614     if (ch == 10)
 615       BibLine ++;
 616   }
 617   buffer[i] = 0;
 618   wxUnusedVar(stopping);
 619 }
 620
 621 bool ReadBib(wxChar *filename)
 622 {
 623   if (!wxFileExists(filename))
 624       return false;
 625
 626   wxString name = filename;
 627   wxChar buf[300];
 628   wxSTD ifstream istr((char const *)name.fn_str(), wxSTD ios::in);
 629   if (istr.bad()) return false;
 630
 631   BibLine = 1;
 632
 633   OnInform(_T("Reading .bib file..."));
 634
 635   char ch;
 636   wxChar fieldValue[4000];
 637   wxChar recordType[100];
 638   wxChar recordKey[100];
 639   wxChar recordField[100];
 640   while (!istr.eof())
 641   {
 642     Tex2RTFYield();
 643
 644     BibEatWhiteSpace(istr);
 645     istr.get(ch);
 646     if (ch != '@')
 647     {
 648       wxSnprintf(buf, sizeof(buf), _T("Expected @: malformed bib file at line %ld (%s)"), BibLine, filename);
 649       OnError(buf);
 650       return false;
 651     }
 652     BibReadWord(istr, recordType);
 653     BibEatWhiteSpace(istr);
 654     istr.get(ch);
 655     if (ch != '{' && ch != '(')
 656     {
 657       wxSnprintf(buf, sizeof(buf), _T("Expected { or ( after record type: malformed .bib file at line %ld (%s)"), BibLine, filename);
 658       OnError(buf);
 659       return false;
 660     }
 661     BibEatWhiteSpace(istr);
 662     if (StringMatch(recordType, _T("string"), false, true))
 663     {
 664       BibReadWord(istr, recordType);
 665       BibEatWhiteSpace(istr);
 666       istr.get(ch);
 667       if (ch != '=')
 668       {
 669         wxSnprintf(buf, sizeof(buf), _T("Expected = after string key: malformed .bib file at line %ld (%s)"), BibLine, filename);
 670         OnError(buf);
 671         return false;
 672       }
 673       BibEatWhiteSpace(istr);
 674       istr.get(ch);
 675       if (ch != '"' && ch != '{')
 676       {
 677         wxSnprintf(buf, sizeof(buf), _T("Expected = after string key: malformed .bib file at line %ld (%s)"), BibLine, filename);
 678         OnError(buf);
 679         return false;
 680       }
 681       BibReadValue(istr, fieldValue);
 682
 683       // Now put in hash table if necesary
 684       if (!BibStringTable.Get(recordType))
 685         BibStringTable.Put(recordType, (wxObject *)copystring(fieldValue));
 686
 687       // Read closing ) or }
 688       BibEatWhiteSpace(istr);
 689       istr.get(ch);
 690       BibEatWhiteSpace(istr);
 691     }
 692     else
 693     {
 694       BibReadWord(istr, recordKey);
 695
 696       BibEntry *bibEntry = new BibEntry;
 697       bibEntry->key = copystring(recordKey);
 698       bibEntry->type = copystring(recordType);
 699
 700       bool moreRecords = true;
 701       while (moreRecords && !istr.eof())
 702       {
 703         BibEatWhiteSpace(istr);
 704         istr.get(ch);
 705         if (ch == '}' || ch == ')')
 706         {
 707           moreRecords = false;
 708         }
 709         else if (ch == ',')
 710         {
 711           BibEatWhiteSpace(istr);
 712           BibReadWord(istr, recordField);
 713           BibEatWhiteSpace(istr);
 714           istr.get(ch);
 715           if (ch != '=')
 716           {
 717             wxSnprintf(buf, sizeof(buf), _T("Expected = after field type: malformed .bib file at line %ld (%s)"), BibLine, filename);
 718             OnError(buf);
 719             return false;
 720           }
 721           BibEatWhiteSpace(istr);
 722           istr.get(ch);
 723           if (ch != '{' && ch != '"')
 724           {
 725             fieldValue[0] = ch;
 726             BibReadWord(istr, fieldValue+1);
 727
 728             // If in the table of strings, replace with string from table.
 729             wxChar *s = (wxChar *)BibStringTable.Get(fieldValue);
 730             if (s)
 731             {
 732               wxStrcpy(fieldValue, s);
 733             }
 734           }
 735           else
 736             BibReadValue(istr, fieldValue, true, (ch == _T('"') ? true : false));
 737
 738           // Now we can add a field
 739           if (StringMatch(recordField, _T("author"), false, true))
 740             bibEntry->author = copystring(fieldValue);
 741           else if (StringMatch(recordField, _T("key"), false, true))
 742             {}
 743           else if (StringMatch(recordField, _T("annotate"), false, true))
 744             {}
 745           else if (StringMatch(recordField, _T("abstract"), false, true))
 746             {}
 747           else if (StringMatch(recordField, _T("edition"), false, true))
 748             {}
 749           else if (StringMatch(recordField, _T("howpublished"), false, true))
 750             {}
 751           else if (StringMatch(recordField, _T("note"), false, true) || StringMatch(recordField, _T("notes"), false, true))
 752             {}
 753           else if (StringMatch(recordField, _T("series"), false, true))
 754             {}
 755           else if (StringMatch(recordField, _T("type"), false, true))
 756             {}
 757           else if (StringMatch(recordField, _T("keywords"), false, true))
 758             {}
 759           else if (StringMatch(recordField, _T("editor"), false, true) || StringMatch(recordField, _T("editors"), false, true))
 760             bibEntry->editor= copystring(fieldValue);
 761           else if (StringMatch(recordField, _T("title"), false, true))
 762             bibEntry->title= copystring(fieldValue);
 763           else if (StringMatch(recordField, _T("booktitle"), false, true))
 764             bibEntry->booktitle= copystring(fieldValue);
 765           else if (StringMatch(recordField, _T("journal"), false, true))
 766             bibEntry->journal= copystring(fieldValue);
 767           else if (StringMatch(recordField, _T("volume"), false, true))
 768             bibEntry->volume= copystring(fieldValue);
 769           else if (StringMatch(recordField, _T("number"), false, true))
 770             bibEntry->number= copystring(fieldValue);
 771           else if (StringMatch(recordField, _T("year"), false, true))
 772             bibEntry->year= copystring(fieldValue);
 773           else if (StringMatch(recordField, _T("month"), false, true))
 774             bibEntry->month= copystring(fieldValue);
 775           else if (StringMatch(recordField, _T("pages"), false, true))
 776             bibEntry->pages= copystring(fieldValue);
 777           else if (StringMatch(recordField, _T("publisher"), false, true))
 778             bibEntry->publisher= copystring(fieldValue);
 779           else if (StringMatch(recordField, _T("address"), false, true))
 780             bibEntry->address= copystring(fieldValue);
 781           else if (StringMatch(recordField, _T("institution"), false, true) || StringMatch(recordField, _T("school"), false, true))
 782             bibEntry->institution= copystring(fieldValue);
 783           else if (StringMatch(recordField, _T("organization"), false, true) || StringMatch(recordField, _T("organisation"), false, true))
 784             bibEntry->organization= copystring(fieldValue);
 785           else if (StringMatch(recordField, _T("comment"), false, true) || StringMatch(recordField, _T("comments"), false, true))
 786             bibEntry->comment= copystring(fieldValue);
 787           else if (StringMatch(recordField, _T("annote"), false, true))
 788             bibEntry->comment= copystring(fieldValue);
 789           else if (StringMatch(recordField, _T("chapter"), false, true))
 790             bibEntry->chapter= copystring(fieldValue);
 791           else
 792           {
 793             wxSnprintf(buf, sizeof(buf), _T("Unrecognised bib field type %s at line %ld (%s)"), recordField, BibLine, filename);
 794             OnError(buf);
 795           }
 796         }
 797       }
 798       BibList.Append(recordKey, bibEntry);
 799       BibEatWhiteSpace(istr);
 800     }
 801   }
 802   return true;
 803 }
 804
 805 void OutputBibItem(TexRef *ref, BibEntry *bib)
 806 {
 807   Tex2RTFYield();
 808
 809   OnMacro(ltNUMBEREDBIBITEM, 2, true);
 810   OnArgument(ltNUMBEREDBIBITEM, 1, true);
 811   TexOutput(ref->sectionNumber);
 812   OnArgument(ltNUMBEREDBIBITEM, 1, false);
 813   OnArgument(ltNUMBEREDBIBITEM, 2, true);
 814
 815   TexOutput(_T(" "));
 816   OnMacro(ltBF, 1, true);
 817   OnArgument(ltBF, 1, true);
 818   if (bib->author)
 819     TexOutput(bib->author);
 820   OnArgument(ltBF, 1, false);
 821   OnMacro(ltBF, 1, false);
 822   if (bib->author && (wxStrlen(bib->author) > 0) && (bib->author[wxStrlen(bib->author) - 1] != '.'))
 823     TexOutput(_T(". "));
 824   else
 825     TexOutput(_T(" "));
 826
 827   if (bib->year)
 828   {
 829     TexOutput(bib->year);
 830   }
 831   if (bib->month)
 832   {
 833     TexOutput(_T(" ("));
 834     TexOutput(bib->month);
 835     TexOutput(_T(")"));
 836   }
 837   if (bib->year || bib->month)
 838     TexOutput(_T(". "));
 839
 840   if (StringMatch(bib->type, _T("article"), false, true))
 841   {
 842     if (bib->title)
 843     {
 844       TexOutput(bib->title);
 845       TexOutput(_T(". "));
 846     }
 847     if (bib->journal)
 848     {
 849       OnMacro(ltIT, 1, true);
 850       OnArgument(ltIT, 1, true);
 851       TexOutput(bib->journal);
 852       OnArgument(ltIT, 1, false);
 853       OnMacro(ltIT, 1, false);
 854     }
 855     if (bib->volume)
 856     {
 857       TexOutput(_T(", "));
 858       OnMacro(ltBF, 1, true);
 859       OnArgument(ltBF, 1, true);
 860       TexOutput(bib->volume);
 861       OnArgument(ltBF, 1, false);
 862       OnMacro(ltBF, 1, false);
 863     }
 864     if (bib->number)
 865     {
 866       TexOutput(_T("("));
 867       TexOutput(bib->number);
 868       TexOutput(_T(")"));
 869     }
 870     if (bib->pages)
 871     {
 872       TexOutput(_T(", pages "));
 873       TexOutput(bib->pages);
 874     }
 875     TexOutput(_T("."));
 876   }
 877   else if (StringMatch(bib->type, _T("book"), false, true) ||
 878            StringMatch(bib->type, _T("unpublished"), false, true) ||
 879            StringMatch(bib->type, _T("manual"), false, true) ||
 880            StringMatch(bib->type, _T("phdthesis"), false, true) ||
 881            StringMatch(bib->type, _T("mastersthesis"), false, true) ||
 882            StringMatch(bib->type, _T("misc"), false, true) ||
 883            StringMatch(bib->type, _T("techreport"), false, true) ||
 884            StringMatch(bib->type, _T("booklet"), false, true))
 885   {
 886     if (bib->title || bib->booktitle)
 887     {
 888       OnMacro(ltIT, 1, true);
 889       OnArgument(ltIT, 1, true);
 890       TexOutput(bib->title ? bib->title : bib->booktitle);
 891       TexOutput(_T(". "));
 892       OnArgument(ltIT, 1, false);
 893       OnMacro(ltIT, 1, false);
 894     }
 895     if (StringMatch(bib->type, _T("phdthesis"), false, true))
 896       TexOutput(_T("PhD thesis. "));
 897     if (StringMatch(bib->type, _T("techreport"), false, true))
 898       TexOutput(_T("Technical report. "));
 899     if (bib->editor)
 900     {
 901       TexOutput(_T("Ed. "));
 902       TexOutput(bib->editor);
 903       TexOutput(_T(". "));
 904     }
 905     if (bib->institution)
 906     {
 907       TexOutput(bib->institution);
 908       TexOutput(_T(". "));
 909     }
 910     if (bib->organization)
 911     {
 912       TexOutput(bib->organization);
 913       TexOutput(_T(". "));
 914     }
 915     if (bib->publisher)
 916     {
 917       TexOutput(bib->publisher);
 918       TexOutput(_T(". "));
 919     }
 920     if (bib->address)
 921     {
 922       TexOutput(bib->address);
 923       TexOutput(_T(". "));
 924     }
 925   }
 926   else if (StringMatch(bib->type, _T("inbook"), false, true) ||
 927            StringMatch(bib->type, _T("inproceedings"), false, true) ||
 928            StringMatch(bib->type, _T("incollection"), false, true) ||
 929            StringMatch(bib->type, _T("conference"), false, true))
 930   {
 931     if (bib->title)
 932     {
 933       TexOutput(bib->title);
 934     }
 935     if (bib->booktitle)
 936     {
 937       TexOutput(_T(", from "));
 938       OnMacro(ltIT, 1, true);
 939       OnArgument(ltIT, 1, true);
 940       TexOutput(bib->booktitle);
 941       TexOutput(_T("."));
 942       OnArgument(ltIT, 1, false);
 943       OnMacro(ltIT, 1, false);
 944     }
 945     if (bib->editor)
 946     {
 947       TexOutput(_T(", ed. "));
 948       TexOutput(bib->editor);
 949     }
 950     if (bib->publisher)
 951     {
 952       TexOutput(_T(" "));
 953       TexOutput(bib->publisher);
 954     }
 955     if (bib->address)
 956     {
 957       if (bib->publisher) TexOutput(_T(", "));
 958       else TexOutput(_T(" "));
 959       TexOutput(bib->address);
 960     }
 961     if (bib->publisher || bib->address)
 962       TexOutput(_T("."));
 963
 964     if (bib->volume)
 965     {
 966       TexOutput(_T(" "));
 967       OnMacro(ltBF, 1, true);
 968       OnArgument(ltBF, 1, true);
 969       TexOutput(bib->volume);
 970       OnArgument(ltBF, 1, false);
 971       OnMacro(ltBF, 1, false);
 972     }
 973     if (bib->number)
 974     {
 975       if (bib->volume)
 976       {
 977         TexOutput(_T("("));
 978         TexOutput(bib->number);
 979         TexOutput(_T(")."));
 980       }
 981       else
 982       {
 983         TexOutput(_T(" Number "));
 984         TexOutput(bib->number);
 985         TexOutput(_T("."));
 986       }
 987     }
 988     if (bib->chapter)
 989     {
 990       TexOutput(_T(" Chap. "));
 991       TexOutput(bib->chapter);
 992     }
 993     if (bib->pages)
 994     {
 995       if (bib->chapter) TexOutput(_T(", pages "));
 996       else TexOutput(_T(" Pages "));
 997       TexOutput(bib->pages);
 998       TexOutput(_T("."));
 999     }
1000   }
1001   OnArgument(ltNUMBEREDBIBITEM, 2, false);
1002   OnMacro(ltNUMBEREDBIBITEM, 2, false);
1003 }
1004
1005 void OutputBib(void)
1006 {
1007   // Write the heading
1008   ForceTopicName(_T("bibliography"));
1009   FakeCurrentSection(ReferencesNameString);
1010   ForceTopicName(NULL);
1011
1012   OnMacro(ltPAR, 0, true);
1013   OnMacro(ltPAR, 0, false);
1014
1015   if ((convertMode == TEX_RTF) && !winHelp)
1016   {
1017     OnMacro(ltPAR, 0, true);
1018     OnMacro(ltPAR, 0, false);
1019   }
1020
1021   wxStringListNode *node = CitationList.GetFirst();
1022   while (node)
1023   {
1024     wxChar *citeKey = (wxChar *)node->GetData();
1025 //    wxNode *texNode = TexReferences.Find(citeKey);
1026     TexRef *ref = (TexRef *)TexReferences.Get(citeKey);
1027     wxNode *bibNode = BibList.Find(citeKey);
1028     if (bibNode && ref)
1029     {
1030       BibEntry *entry = (BibEntry *)bibNode->GetData();
1031       OutputBibItem(ref, entry);
1032     }
1033     node = node->GetNext();
1034   }
1035 }
1036
1037 static int citeCount = 1;
1038
1039 void ResolveBibReferences(void)
1040 {
1041   if (CitationList.GetCount() > 0)
1042     OnInform(_T("Resolving bibliographic references..."));
1043
1044   citeCount = 1;
1045   wxChar buf[200];
1046   wxStringListNode *node = CitationList.GetFirst();
1047   while (node)
1048   {
1049     Tex2RTFYield();
1050     wxChar *citeKey = (wxChar *)node->GetData();
1051 //    wxNode *texNode = TexReferences.Find(citeKey);
1052     TexRef *ref = (TexRef *)TexReferences.Get(citeKey);
1053     wxNode *bibNode = BibList.Find(citeKey);
1054     if (bibNode && ref)
1055     {
1056       // Unused Variable
1057       //BibEntry *entry = (BibEntry *)bibNode->GetData();
1058       if (ref->sectionNumber) delete[] ref->sectionNumber;
1059       wxSnprintf(buf, sizeof(buf), _T("[%d]"), citeCount);
1060       ref->sectionNumber = copystring(buf);
1061       citeCount ++;
1062     }
1063     else
1064     {
1065       wxSnprintf(buf, sizeof(buf), _T("Warning: bib ref %s not resolved."), citeKey);
1066       OnInform(buf);
1067     }
1068     node = node->GetNext();
1069   }
1070 }
1071
1072 // Remember we need to resolve this citation
1073 void AddCitation(wxChar *citeKey)
1074 {
1075   if (!CitationList.Member(citeKey))
1076     CitationList.Add(citeKey);
1077
1078   if (!TexReferences.Get(citeKey))
1079   {
1080     TexReferences.Put(citeKey, new TexRef(citeKey, _T("??"), NULL));
1081   }
1082 }
1083
1084 TexRef *FindReference(wxChar *key)
1085 {
1086   return (TexRef *)TexReferences.Get(key);
1087 }
1088
1089 /*
1090  * Custom macro stuff
1091  *
1092  */
1093
1094 bool StringTobool(wxChar *val)
1095 {
1096   if (wxStrncmp(val, _T("yes"), 3) == 0 || wxStrncmp(val, _T("YES"), 3) == 0 ||
1097       wxStrncmp(val, _T("on"), 2) == 0 || wxStrncmp(val, _T("ON"), 2) == 0 ||
1098       wxStrncmp(val, _T("true"), 4) == 0 || wxStrncmp(val, _T("true"), 4) == 0 ||
1099       wxStrncmp(val, _T("ok"), 2) == 0 || wxStrncmp(val, _T("OK"), 2) == 0 ||
1100       wxStrncmp(val, _T("1"), 1) == 0)
1101     return true;
1102   else
1103     return false;
1104 }
1105
1106 // Define a variable value from the .ini file
1107 wxChar *RegisterSetting(wxChar *settingName, wxChar *settingValue, bool interactive)
1108 {
1109   static wxChar errorCode[100];
1110   wxStrcpy(errorCode, _T("OK"));
1111   if (StringMatch(settingName, _T("chapterName"), false, true))
1112   {
1113     delete[] ChapterNameString;
1114     ChapterNameString = copystring(settingValue);
1115   }
1116   else if (StringMatch(settingName, _T("sectionName"), false, true))
1117   {
1118     delete[] SectionNameString;
1119     SectionNameString = copystring(settingValue);
1120   }
1121   else if (StringMatch(settingName, _T("subsectionName"), false, true))
1122   {
1123     delete[] SubsectionNameString;
1124     SubsectionNameString = copystring(settingValue);
1125   }
1126   else if (StringMatch(settingName, _T("subsubsectionName"), false, true))
1127   {
1128     delete[] SubsubsectionNameString;
1129     SubsubsectionNameString = copystring(settingValue);
1130   }
1131   else if (StringMatch(settingName, _T("indexName"), false, true))
1132   {
1133     delete[] IndexNameString;
1134     IndexNameString = copystring(settingValue);
1135   }
1136   else if (StringMatch(settingName, _T("contentsName"), false, true))
1137   {
1138     delete[] ContentsNameString;
1139     ContentsNameString = copystring(settingValue);
1140   }
1141   else if (StringMatch(settingName, _T("glossaryName"), false, true))
1142   {
1143     delete[] GlossaryNameString;
1144     GlossaryNameString = copystring(settingValue);
1145   }
1146   else if (StringMatch(settingName, _T("referencesName"), false, true))
1147   {
1148     delete[] ReferencesNameString;
1149     ReferencesNameString = copystring(settingValue);
1150   }
1151   else if (StringMatch(settingName, _T("tablesName"), false, true))
1152   {
1153     delete[] TablesNameString;
1154     TablesNameString = copystring(settingValue);
1155   }
1156   else if (StringMatch(settingName, _T("figuresName"), false, true))
1157   {
1158     delete[] FiguresNameString;
1159     FiguresNameString = copystring(settingValue);
1160   }
1161   else if (StringMatch(settingName, _T("tableName"), false, true))
1162   {
1163     delete[] TableNameString;
1164     TableNameString = copystring(settingValue);
1165   }
1166   else if (StringMatch(settingName, _T("figureName"), false, true))
1167   {
1168     delete[] FigureNameString;
1169     FigureNameString = copystring(settingValue);
1170   }
1171   else if (StringMatch(settingName, _T("abstractName"), false, true))
1172   {
1173     delete[] AbstractNameString;
1174     AbstractNameString = copystring(settingValue);
1175   }
1176   else if (StringMatch(settingName, _T("chapterFontSize"), false, true))
1177     StringToInt(settingValue, &chapterFont);
1178   else if (StringMatch(settingName, _T("sectionFontSize"), false, true))
1179     StringToInt(settingValue, &sectionFont);
1180   else if (StringMatch(settingName, _T("subsectionFontSize"), false, true))
1181     StringToInt(settingValue, &subsectionFont);
1182   else if (StringMatch(settingName, _T("titleFontSize"), false, true))
1183     StringToInt(settingValue, &titleFont);
1184   else if (StringMatch(settingName, _T("authorFontSize"), false, true))
1185     StringToInt(settingValue, &authorFont);
1186   else if (StringMatch(settingName, _T("ignoreInput"), false, true))
1187     IgnorableInputFiles.Add(wxFileNameFromPath(settingValue));
1188   else if (StringMatch(settingName, _T("mirrorMargins"), false, true))
1189     mirrorMargins = StringTobool(settingValue);
1190   else if (StringMatch(settingName, _T("runTwice"), false, true))
1191     runTwice = StringTobool(settingValue);
1192   else if (StringMatch(settingName, _T("isInteractive"), false, true))
1193     isInteractive = StringTobool(settingValue);
1194   else if (StringMatch(settingName, _T("headerRule"), false, true))
1195     headerRule = StringTobool(settingValue);
1196   else if (StringMatch(settingName, _T("footerRule"), false, true))
1197     footerRule = StringTobool(settingValue);
1198   else if (StringMatch(settingName, _T("combineSubSections"), false, true))
1199     combineSubSections = StringTobool(settingValue);
1200   else if (StringMatch(settingName, _T("listLabelIndent"), false, true))
1201     StringToInt(settingValue, &labelIndentTab);
1202   else if (StringMatch(settingName, _T("listItemIndent"), false, true))
1203     StringToInt(settingValue, &itemIndentTab);
1204   else if (StringMatch(settingName, _T("useUpButton"), false, true))
1205     useUpButton = StringTobool(settingValue);
1206   else if (StringMatch(settingName, _T("useHeadingStyles"), false, true))
1207     useHeadingStyles = StringTobool(settingValue);
1208   else if (StringMatch(settingName, _T("useWord"), false, true))
1209     useWord = StringTobool(settingValue);
1210   else if (StringMatch(settingName, _T("contentsDepth"), false, true))
1211     StringToInt(settingValue, &contentsDepth);
1212   else if (StringMatch(settingName, _T("generateHPJ"), false, true))
1213     generateHPJ = StringTobool(settingValue);
1214   else if (StringMatch(settingName, _T("truncateFilenames"), false, true))
1215     truncateFilenames = StringTobool(settingValue);
1216   else if (StringMatch(settingName, _T("winHelpVersion"), false, true))
1217     StringToInt(settingValue, &winHelpVersion);
1218   else if (StringMatch(settingName, _T("winHelpContents"), false, true))
1219     winHelpContents = StringTobool(settingValue);
1220   else if (StringMatch(settingName, _T("htmlIndex"), false, true))
1221     htmlIndex = StringTobool(settingValue);
1222   else if (StringMatch(settingName, _T("htmlWorkshopFiles"), false, true))
1223     htmlWorkshopFiles = StringTobool(settingValue);
1224   else if (StringMatch(settingName, _T("htmlFrameContents"), false, true))
1225     htmlFrameContents = StringTobool(settingValue);
1226   else if (StringMatch(settingName, _T("htmlStylesheet"), false, true))
1227     {
1228       if (htmlStylesheet) delete[] htmlStylesheet;
1229       htmlStylesheet = copystring(settingValue);
1230     }
1231   else if (StringMatch(settingName, _T("upperCaseNames"), false, true))
1232     upperCaseNames = StringTobool(settingValue);
1233   else if (StringMatch(settingName, _T("ignoreBadRefs"), false, true))
1234     ignoreBadRefs = StringTobool(settingValue);
1235   else if (StringMatch(settingName, _T("htmlFaceName"), false, true))
1236   {
1237     delete[] htmlFaceName;
1238     htmlFaceName = copystring(settingValue);
1239   }
1240   else if (StringMatch(settingName, _T("winHelpTitle"), false, true))
1241   {
1242     if (winHelpTitle)
1243       delete[] winHelpTitle;
1244     winHelpTitle = copystring(settingValue);
1245   }
1246   else if (StringMatch(settingName, _T("indexSubsections"), false, true))
1247     indexSubsections = StringTobool(settingValue);
1248   else if (StringMatch(settingName, _T("compatibility"), false, true))
1249     compatibilityMode = StringTobool(settingValue);
1250   else if (StringMatch(settingName, _T("defaultColumnWidth"), false, true))
1251   {
1252     StringToInt(settingValue, &defaultTableColumnWidth);
1253     defaultTableColumnWidth = 20*defaultTableColumnWidth;
1254   }
1255   else if (StringMatch(settingName, _T("bitmapMethod"), false, true))
1256   {
1257     if ((wxStrcmp(settingValue, _T("includepicture")) != 0) && (wxStrcmp(settingValue, _T("hex")) != 0) &&
1258         (wxStrcmp(settingValue, _T("import")) != 0))
1259     {
1260       if (interactive)
1261         OnError(_T("Unknown bitmapMethod"));
1262       wxStrcpy(errorCode, _T("Unknown bitmapMethod"));
1263     }
1264     else
1265     {
1266       delete[] bitmapMethod;
1267       bitmapMethod = copystring(settingValue);
1268     }
1269   }
1270   else if (StringMatch(settingName, _T("htmlBrowseButtons"), false, true))
1271   {
1272     if (wxStrcmp(settingValue, _T("none")) == 0)
1273       htmlBrowseButtons = HTML_BUTTONS_NONE;
1274     else if (wxStrcmp(settingValue, _T("bitmap")) == 0)
1275       htmlBrowseButtons = HTML_BUTTONS_BITMAP;
1276     else if (wxStrcmp(settingValue, _T("text")) == 0)
1277       htmlBrowseButtons = HTML_BUTTONS_TEXT;
1278     else
1279     {
1280       if (interactive)
1281         OnInform(_T("Initialisation file error: htmlBrowseButtons must be one of none, bitmap, or text."));
1282       wxStrcpy(errorCode, _T("Initialisation file error: htmlBrowseButtons must be one of none, bitmap, or text."));
1283     }
1284   }
1285   else if (StringMatch(settingName, _T("backgroundImage"), false, true))
1286   {
1287     backgroundImageString = copystring(settingValue);
1288   }
1289   else if (StringMatch(settingName, _T("backgroundColour"), false, true))
1290   {
1291     delete[] backgroundColourString;
1292     backgroundColourString = copystring(settingValue);
1293   }
1294   else if (StringMatch(settingName, _T("textColour"), false, true))
1295   {
1296     textColourString = copystring(settingValue);
1297   }
1298   else if (StringMatch(settingName, _T("linkColour"), false, true))
1299   {
1300     linkColourString = copystring(settingValue);
1301   }
1302   else if (StringMatch(settingName, _T("followedLinkColour"), false, true))
1303   {
1304     followedLinkColourString = copystring(settingValue);
1305   }
1306   else if (StringMatch(settingName, _T("conversionMode"), false, true))
1307   {
1308     if (StringMatch(settingValue, _T("RTF"), false, true))
1309     {
1310       winHelp = false; convertMode = TEX_RTF;
1311     }
1312     else if (StringMatch(settingValue, _T("WinHelp"), false, true))
1313     {
1314       winHelp = true; convertMode = TEX_RTF;
1315     }
1316     else if (StringMatch(settingValue, _T("XLP"), false, true) ||
1317              StringMatch(settingValue, _T("wxHelp"), false, true))
1318     {
1319       convertMode = TEX_XLP;
1320     }
1321     else if (StringMatch(settingValue, _T("HTML"), false, true))
1322     {
1323       convertMode = TEX_HTML;
1324     }
1325     else
1326     {
1327       if (interactive)
1328         OnInform(_T("Initialisation file error: conversionMode must be one of\nRTF, WinHelp, XLP (or wxHelp), HTML."));
1329       wxStrcpy(errorCode, _T("Initialisation file error: conversionMode must be one of\nRTF, WinHelp, XLP (or wxHelp), HTML."));
1330     }
1331   }
1332   else if (StringMatch(settingName, _T("documentFontSize"), false, true))
1333   {
1334     int n;
1335     StringToInt(settingValue, &n);
1336     if (n == 10 || n == 11 || n == 12)
1337       SetFontSizes(n);
1338     else
1339     {
1340       wxChar buf[200];
1341       wxSnprintf(buf, sizeof(buf), _T("Initialisation file error: nonstandard document font size %d."), n);
1342       if (interactive)
1343         OnInform(buf);
1344       wxStrcpy(errorCode, buf);
1345     }
1346   }
1347   else
1348   {
1349     wxChar buf[200];
1350     wxSnprintf(buf, sizeof(buf), _T("Initialisation file error: unrecognised setting %s."), settingName);
1351     if (interactive)
1352       OnInform(buf);
1353     wxStrcpy(errorCode, buf);
1354   }
1355   return errorCode;
1356 }
1357
1358 bool ReadCustomMacros(wxChar *filename)
1359 {
1360   if (!wxFileExists(filename))
1361       return false;
1362
1363   wxString name = filename;
1364   wxSTD ifstream istr((char const *)name.fn_str(), wxSTD ios::in);
1365
1366   if (istr.bad()) return false;
1367
1368   CustomMacroList.Clear();
1369   char ch;
1370   wxChar macroName[100];
1371   wxChar macroBody[1000];
1372   int noArgs;
1373
1374   while (!istr.eof())
1375   {
1376     BibEatWhiteSpace(istr);
1377     istr.get(ch);
1378     if (istr.eof())
1379       break;
1380
1381     if (ch != '\\') // Not a macro definition, so must be NAME=VALUE
1382     {
1383       wxChar settingName[100];
1384       settingName[0] = ch;
1385       BibReadWord(istr, (settingName+1));
1386       BibEatWhiteSpace(istr);
1387       istr.get(ch);
1388       if (ch != '=')
1389       {
1390         OnError(_T("Expected = following name: malformed tex2rtf.ini file."));
1391         return false;
1392       }
1393       else
1394       {
1395         wxChar settingValue[200];
1396         BibEatWhiteSpace(istr);
1397         BibReadToEOL(istr, settingValue);
1398         RegisterSetting(settingName, settingValue);
1399       }
1400     }
1401     else
1402     {
1403       BibReadWord(istr, macroName);
1404       BibEatWhiteSpace(istr);
1405       istr.get(ch);
1406       if (ch != '[')
1407       {
1408         OnError(_T("Expected [ followed by number of arguments: malformed tex2rtf.ini file."));
1409         return false;
1410       }
1411       istr >> noArgs;
1412       istr.get(ch);
1413       if (ch != ']')
1414       {
1415         OnError(_T("Expected ] following number of arguments: malformed tex2rtf.ini file."));
1416         return false;
1417       }
1418       BibEatWhiteSpace(istr);
1419       istr.get(ch);
1420       if (ch != '{')
1421       {
1422         OnError(_T("Expected { followed by macro body: malformed tex2rtf.ini file."));
1423         return false;
1424       }
1425       CustomMacro *macro = new CustomMacro(macroName, noArgs, NULL);
1426       BibReadValue(istr, macroBody, false, false); // Don't ignore extra braces
1427       if (wxStrlen(macroBody) > 0)
1428         macro->macroBody = copystring(macroBody);
1429
1430       BibEatWhiteSpace(istr);
1431       CustomMacroList.Append(macroName, macro);
1432       AddMacroDef(ltCUSTOM_MACRO, macroName, noArgs);
1433     }
1434   }
1435   wxChar mbuf[200];
1436   wxSnprintf(mbuf, sizeof(mbuf), _T("Read initialization file %s."), filename);
1437   OnInform(mbuf);
1438   return true;
1439 }
1440
1441 CustomMacro *FindCustomMacro(wxChar *name)
1442 {
1443   wxNode *node = CustomMacroList.Find(name);
1444   if (node)
1445   {
1446     CustomMacro *macro = (CustomMacro *)node->GetData();
1447     return macro;
1448   }
1449   return NULL;
1450 }
1451
1452 // Display custom macros
1453 void ShowCustomMacros(void)
1454 {
1455   wxNode *node = CustomMacroList.GetFirst();
1456   if (!node)
1457   {
1458     OnInform(_T("No custom macros loaded.\n"));
1459     return;
1460   }
1461
1462   wxChar buf[400];
1463   while (node)
1464   {
1465     CustomMacro *macro = (CustomMacro *)node->GetData();
1466     wxSnprintf(buf, sizeof(buf), _T("\\%s[%d]\n    {%s}"), macro->macroName, macro->noArgs,
1467      macro->macroBody ? macro->macroBody : _T(""));
1468     OnInform(buf);
1469     node = node->GetNext();
1470   }
1471 }
1472
1473 // Parse a string into several comma-separated fields
1474 wxChar *ParseMultifieldString(wxChar *allFields, int *pos)
1475 {
1476   static wxChar buffer[300];
1477   int i = 0;
1478   int fieldIndex = *pos;
1479   int len = wxStrlen(allFields);
1480   int oldPos = *pos;
1481   bool keepGoing = true;
1482   while ((fieldIndex <= len) && keepGoing)
1483   {
1484     if (allFields[fieldIndex] == _T(' '))
1485     {
1486       // Skip
1487       fieldIndex ++;
1488     }
1489     else if (allFields[fieldIndex] == _T(','))
1490     {
1491       *pos = fieldIndex + 1;
1492       keepGoing = false;
1493     }
1494     else if (allFields[fieldIndex] == 0)
1495     {
1496       *pos = fieldIndex + 1;
1497       keepGoing = false;
1498     }
1499     else
1500     {
1501       buffer[i] = allFields[fieldIndex];
1502       fieldIndex ++;
1503       i++;
1504     }
1505   }
1506   buffer[i] = 0;
1507   if (oldPos == (*pos))
1508     *pos = len + 1;
1509
1510   if (i == 0)
1511     return NULL;
1512   else
1513     return buffer;
1514 }
1515
1516 /*
1517  * Colour tables
1518  *
1519  */
1520
1521 ColourTableEntry::ColourTableEntry(const wxChar *theName, unsigned int r,  unsigned int g,  unsigned int b)
1522 {
1523   name = copystring(theName);
1524   red = r;
1525   green = g;
1526   blue = b;
1527 }
1528
1529 ColourTableEntry::~ColourTableEntry(void)
1530 {
1531   delete[] name;
1532 }
1533
1534 void AddColour(const wxChar *theName, unsigned int r,  unsigned int g,  unsigned int b)
1535 {
1536   wxNode *node = ColourTable.Find(theName);
1537   if (node)
1538   {
1539     ColourTableEntry *entry = (ColourTableEntry *)node->GetData();
1540     if (entry->red == r || entry->green == g || entry->blue == b)
1541       return;
1542     else
1543     {
1544       delete entry;
1545       delete node;
1546     }
1547   }
1548   ColourTableEntry *entry = new ColourTableEntry(theName, r, g, b);
1549   ColourTable.Append(theName, entry);
1550 }
1551
1552 int FindColourPosition(wxChar *theName)
1553 {
1554   int i = 0;
1555   wxNode *node = ColourTable.GetFirst();
1556   while (node)
1557   {
1558     ColourTableEntry *entry = (ColourTableEntry *)node->GetData();
1559     if (wxStrcmp(theName, entry->name) == 0)
1560       return i;
1561     i ++;
1562     node = node->GetNext();
1563   }
1564   return -1;
1565 }
1566
1567 // Converts e.g. "red" -> "#FF0000"
1568 extern void DecToHex(int, wxChar *);
1569 bool FindColourHTMLString(wxChar *theName, wxChar *buf)
1570 {
1571   wxNode *node = ColourTable.GetFirst();
1572   while (node)
1573   {
1574     ColourTableEntry *entry = (ColourTableEntry *)node->GetData();
1575     if (wxStrcmp(theName, entry->name) == 0)
1576     {
1577         wxStrcpy(buf, _T("#"));
1578
1579         wxChar buf2[3];
1580         DecToHex(entry->red, buf2);
1581         wxStrcat(buf, buf2);
1582         DecToHex(entry->green, buf2);
1583         wxStrcat(buf, buf2);
1584         DecToHex(entry->blue, buf2);
1585         wxStrcat(buf, buf2);
1586
1587         return true;
1588     }
1589     node = node->GetNext();
1590   }
1591   return false;
1592 }
1593
1594
1595 void InitialiseColourTable(void)
1596 {
1597   // \\red0\\green0\\blue0;
1598   AddColour(_T("black"), 0,0,0);
1599
1600   // \\red0\\green0\\blue255;\\red0\\green255\\blue255;\n");
1601   AddColour(_T("cyan"), 0,255,255);
1602
1603   // \\red0\\green255\\blue0;
1604   AddColour(_T("green"), 0,255,0);
1605
1606   // \\red255\\green0\\blue255;
1607   AddColour(_T("magenta"), 255,0,255);
1608
1609   // \\red255\\green0\\blue0;
1610   AddColour(_T("red"), 255,0,0);
1611
1612   // \\red255\\green255\\blue0;
1613   AddColour(_T("yellow"), 255,255,0);
1614
1615   // \\red255\\green255\\blue255;}");
1616   AddColour(_T("white"), 255,255,255);
1617 }
1618
1619 /*
1620  * The purpose of this is to reduce the number of times wxYield is
1621  * called, since under Windows this can slow things down.
1622  */
1623
1624 void Tex2RTFYield(bool force)
1625 {
1626 #ifdef __WXMSW__
1627     static int yieldCount = 0;
1628
1629     if (isSync)
1630         return;
1631
1632     if (force)
1633         yieldCount = 0;
1634     if (yieldCount == 0)
1635     {
1636         if (wxTheApp)
1637             wxYield();
1638         yieldCount = 10;
1639     }
1640     yieldCount --;
1641 #endif
1642 }
1643
1644 // In both RTF generation and HTML generation for wxHelp version 2,
1645 // we need to associate \indexed keywords with the current filename/topics.
1646
1647 // Hash table for lists of keywords for topics (WinHelp).
1648 wxHashTable TopicTable(wxKEY_STRING);
1649 void AddKeyWordForTopic(wxChar *topic, wxChar *entry, wxChar *filename)
1650 {
1651   TexTopic *texTopic = (TexTopic *)TopicTable.Get(topic);
1652   if (!texTopic)
1653   {
1654     texTopic = new TexTopic(filename);
1655     texTopic->keywords = new wxStringList;
1656     TopicTable.Put(topic, texTopic);
1657   }
1658
1659   if (!texTopic->keywords->Member(entry))
1660     texTopic->keywords->Add(entry);
1661 }
1662
1663 void ClearKeyWordTable(void)
1664 {
1665   TopicTable.BeginFind();
1666   wxNode *node = TopicTable.Next();
1667   while (node)
1668   {
1669     TexTopic *texTopic = (TexTopic *)node->GetData();
1670     delete texTopic;
1671     node = TopicTable.Next();
1672   }
1673   TopicTable.Clear();
1674 }
1675
1676
1677 /*
1678  * TexTopic structure
1679  */
1680
1681 TexTopic::TexTopic(wxChar *f)
1682 {
1683   if (f)
1684     filename = copystring(f);
1685   else
1686     filename = NULL;
1687   hasChildren = false;
1688   keywords = NULL;
1689 }
1690
1691 TexTopic::~TexTopic(void)
1692 {
1693   if (keywords)
1694     delete keywords;
1695   if (filename)
1696     delete[] filename;
1697 }
1698
1699 // Convert case, according to upperCaseNames setting.
1700 wxChar *ConvertCase(wxChar *s)
1701 {
1702   static wxChar buf[256];
1703   int len = wxStrlen(s);
1704   int i;
1705   if (upperCaseNames)
1706     for (i = 0; i < len; i ++)
1707       buf[i] = wxToupper(s[i]);
1708   else
1709     for (i = 0; i < len; i ++)
1710       buf[i] = wxTolower(s[i]);
1711   buf[i] = 0;
1712   return buf;
1713 }
1714
1715 #if !WXWIN_COMPATIBILITY_2
1716 // if substring is TRUE, search for str1 in str2
1717 bool StringMatch(const wxChar *str1, const wxChar *str2, bool subString,
1718                  bool exact)
1719 {
1720    if (subString)
1721    {
1722       wxString Sstr1(str1);
1723       wxString Sstr2(str2);
1724       if (!exact)
1725       {
1726           Sstr1.MakeUpper();
1727           Sstr2.MakeUpper();
1728       }
1729       return Sstr2.Index(Sstr1) != (size_t)wxNOT_FOUND;
1730    }
1731    else
1732       return exact ? wxString(str2).Cmp(str1) == 0 :
1733                      wxString(str2).CmpNoCase(str1) == 0;
1734 }
1735 #endif