tex2any.cpp

Wxpython Implemented on Windows CE, Source code

/////////////////////////////////////////////////////////////////////////////
// Name:        tex2any.cpp
// Purpose:     Utilities for Latex conversion.
// Author:      Julian Smart
// Modified by: Wlodzimierz ABX Skiba 2003/2004 Unicode support
//              Ron Lee
// Created:     01/01/99
// RCS-ID:      $Id: tex2any.cpp,v 1.43 2006/07/04 16:08:16 AVV Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#endif

#include <ctype.h>
#include "tex2any.h"
#include <stdlib.h>
#include <time.h>

#if !WXWIN_COMPATIBILITY_2_4
static inline wxChar* copystring(const wxChar* s)
    { return wxStrcpy(new wxChar[wxStrlen(s) + 1], s); }
#endif

/*
 * Variables accessible from clients
 *
 */

TexChunk *      DocumentTitle = NULL;
TexChunk *      DocumentAuthor = NULL;
TexChunk *      DocumentDate = NULL;

// Header/footers/pagestyle
TexChunk *      LeftHeaderEven = NULL;
TexChunk *      LeftFooterEven = NULL;
TexChunk *      CentreHeaderEven = NULL;
TexChunk *      CentreFooterEven = NULL;
TexChunk *      RightHeaderEven = NULL;
TexChunk *      RightFooterEven = NULL;
TexChunk *      LeftHeaderOdd = NULL;
TexChunk *      LeftFooterOdd = NULL;
TexChunk *      CentreHeaderOdd = NULL;
TexChunk *      CentreFooterOdd = NULL;
TexChunk *      RightHeaderOdd = NULL;
TexChunk *      RightFooterOdd = NULL;
wxChar *        PageStyle = copystring(_T("plain"));

int             DocumentStyle = LATEX_REPORT;
int             MinorDocumentStyle = 0;
wxPathList      TexPathList;
wxChar *        BibliographyStyleString = copystring(_T("plain"));
wxChar *        DocumentStyleString = copystring(_T("report"));
wxChar *        MinorDocumentStyleString = NULL;
int             ParSkip = 0;
int             ParIndent = 0;

int             normalFont = 10;
int             smallFont = 8;
int             tinyFont = 6;
int             largeFont1 = 12;
int             LargeFont2 = 14;
int             LARGEFont3 = 18;
int             hugeFont1 = 20;
int             HugeFont2 = 24;
int             HUGEFont3 = 28;

// All of these tokens MUST be found on a line by themselves (no other
// text) and must start at the first character of the line, or tex2rtf
// will fail to process them correctly (a limitation of tex2rtf, not TeX)
static const wxString syntaxTokens[] =
{ _T("\\begin{verbatim}"),
  _T("\\begin{toocomplex}"),
  _T("\\end{verbatim}"),
  _T("\\end{toocomplex}"),
  _T("\\verb"),
  _T("\\begin{comment}"),
  _T("\\end{comment}"),
  _T("\\verbatiminput"),
//  _T("\\par"),
  _T("\\input"),
  _T("\\helpinput"),
  _T("\\include"),
  wxEmptyString
};


/*
 * USER-ADJUSTABLE SETTINGS
 *
 */

// Section font sizes
int             chapterFont =    12; // LARGEFont3;
int             sectionFont =    12; // LargeFont2;
int             subsectionFont = 12; // largeFont1;
int             titleFont = LARGEFont3;
int             authorFont = LargeFont2;
int             mirrorMargins = true;
bool            winHelp = false;  // Output in Windows Help format if true, linear otherwise
bool            isInteractive = false;
bool            runTwice = false;
int             convertMode = TEX_RTF;
bool            checkCurlyBraces = false;
bool            checkSyntax = false;
bool            headerRule = false;
bool            footerRule = false;
bool            compatibilityMode = false; // If true, maximum Latex compatibility
                                // (Quality of RTF generation deteriorate)
bool            generateHPJ; // Generate WinHelp Help Project file
wxChar         *winHelpTitle = NULL; // Windows Help title
int             defaultTableColumnWidth = 2000;

int             labelIndentTab = 18;  // From left indent to item label (points)
int             itemIndentTab = 40;   // From left indent to item (points)

bool            useUpButton = true;
int             htmlBrowseButtons = HTML_BUTTONS_TEXT;

bool            truncateFilenames = false; // Truncate for DOS
int             winHelpVersion = 3; // WinHelp Version (3 for Windows 3.1, 4 for Win95)
bool            winHelpContents = false; // Generate .cnt file for WinHelp 4
bool            htmlIndex = false; // Generate .htx file for HTML
bool            htmlFrameContents = false; // Use frames for HTML contents page
wxChar         *htmlStylesheet = NULL; // Use this CSS stylesheet for HTML pages
bool            useHeadingStyles = true; // Insert \s1, s2 etc.
bool            useWord = true; // Insert proper Word table of contents, etc etc
int             contentsDepth = 4; // Depth of Word table of contents
bool            indexSubsections = true; // Index subsections in linear RTF
// Linear RTF method of including bitmaps. Can be "includepicture", "hex"
wxChar         *bitmapMethod = copystring(_T("includepicture"));
bool            upperCaseNames = false;
// HTML background and text colours
wxChar         *backgroundImageString = NULL;
wxChar         *backgroundColourString = copystring(_T("255;255;255"));
wxChar         *textColourString = NULL;
wxChar         *linkColourString = NULL;
wxChar         *followedLinkColourString = NULL;
bool            combineSubSections = false;
bool            htmlWorkshopFiles = false;
bool            ignoreBadRefs = false;
wxChar         *htmlFaceName = NULL;

extern int passNumber;

extern wxHashTable TexReferences;

/*
 * International support
 */

// Names to help with internationalisation
wxChar *ContentsNameString = copystring(_T("Contents"));
wxChar *AbstractNameString = copystring(_T("Abstract"));
wxChar *GlossaryNameString = copystring(_T("Glossary"));
wxChar *ReferencesNameString = copystring(_T("References"));
wxChar *FiguresNameString = copystring(_T("List of Figures"));
wxChar *TablesNameString = copystring(_T("List of Tables"));
wxChar *FigureNameString = copystring(_T("Figure"));
wxChar *TableNameString = copystring(_T("Table"));
wxChar *IndexNameString = copystring(_T("Index"));
wxChar *ChapterNameString = copystring(_T("chapter"));
wxChar *SectionNameString = copystring(_T("section"));
wxChar *SubsectionNameString = copystring(_T("subsection"));
wxChar *SubsubsectionNameString = copystring(_T("subsubsection"));
wxChar *UpNameString = copystring(_T("Up"));

/*
 * Section numbering
 *
 */

int             chapterNo = 0;
int             sectionNo = 0;
int             subsectionNo = 0;
int             subsubsectionNo = 0;
int             figureNo = 0;
int             tableNo = 0;

/*
 * Other variables
 *
 */

FILE *CurrentOutput1 = NULL;
FILE *CurrentOutput2 = NULL;
FILE *Inputs[15];
unsigned long LineNumbers[15];
wxChar *FileNames[15];
int CurrentInputIndex = 0;

wxChar *TexFileRoot = NULL;
wxChar *TexBibName = NULL;         // Bibliography output file name
wxChar *TexTmpBibName = NULL;      // Temporary bibliography output file name
bool isSync = false;             // If true, should not yield to other processes.
bool stopRunning = false;        // If true, should abort.

static int currentColumn = 0;
wxChar *currentArgData = NULL;
bool haveArgData = false; // If true, we're simulating the data.
TexChunk *currentArgument = NULL;
TexChunk *nextChunk = NULL;
bool isArgOptional = false;
int noArgs = 0;

TexChunk *TopLevel = NULL;
// wxList MacroDefs(wxKEY_STRING);
wxHashTable MacroDefs(wxKEY_STRING);
wxStringList IgnorableInputFiles; // Ignorable \input files, e.g. psbox.tex
wxChar *BigBuffer = NULL;  // For reading in large chunks of text
TexMacroDef *SoloBlockDef = NULL;
TexMacroDef *VerbatimMacroDef = NULL;

#define IncrementLineNumber() LineNumbers[CurrentInputIndex] ++


TexRef::TexRef(const wxChar *label, const wxChar *file,
               const wxChar *section, const wxChar *sectionN)
{
    refLabel = copystring(label);
    refFile = file ? copystring(file) : (wxChar*) NULL;
    sectionNumber = section ? copystring(section) : copystring(_T("??"));
    sectionName = sectionN ? copystring(sectionN) : copystring(_T("??"));
}

TexRef::~TexRef(void)
{
    delete [] refLabel;      refLabel = NULL;
    delete [] refFile;       refFile = NULL;
    delete [] sectionNumber; sectionNumber = NULL;
    delete [] sectionName;   sectionName = NULL;
}


CustomMacro::~CustomMacro()
{
    if (macroName)
        delete [] macroName;
    if (macroBody)
        delete [] macroBody;
}

void TexOutput(const wxChar *s, bool ordinaryText)
{
  int len = wxStrlen(s);

  // Update current column, but only if we're guaranteed to
  // be ordinary text (not mark-up stuff)
  int i;
  if (ordinaryText)
    for (i = 0; i < len; i++)
    {
      if (s[i] == 13 || s[i] == 10)
        currentColumn = 0;
      else
        currentColumn ++;
    }

  if (CurrentOutput1)