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Sourcecode: wxwindows2.4 version File versions

tex2rtf.cpp

/////////////////////////////////////////////////////////////////////////////
// Name:        tex2rtf.cpp
// Purpose:     Converts Latex to linear/WinHelp RTF, HTML, wxHelp.
// Author:      Julian Smart
// Modified by:
// Created:     7.9.93
// RCS-ID:      $Id: tex2rtf.cpp,v 1.26.2.3 2003/09/19 16:07:58 JS Exp $
// Copyright:   (c) Julian Smart
// Licence:     wxWindows licence
/////////////////////////////////////////////////////////////////////////////

#ifdef __GNUG__
#pragma implementation
#endif

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

#ifdef __BORLANDC__
#pragma hdrstop
#endif

#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif

#ifndef NO_GUI
#include "wx/help.h"
#include "wx/timer.h"
#endif

#if defined(NO_GUI) || defined(__UNIX__)
#if wxUSE_IOSTREAMH
#include <iostream.h>
#include <fstream.h>
#else
#include <iostream>
#include <fstream>
#endif
#endif

#include <ctype.h>
#include <stdlib.h>
#include "tex2any.h"
#include "tex2rtf.h"
#include "rtfutils.h"
#include "symbols.h"

#if (defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXMAC__)) && !defined(NO_GUI)
#include "tex2rtf.xpm"
#endif

const float versionNo = TEX2RTF_VERSION_NUMBER;

TexChunk *currentMember = NULL;
bool startedSections = FALSE;
char *contentsString = NULL;
bool suppressNameDecoration = FALSE;
bool OkToClose = TRUE;
int passNumber = 1;
unsigned long errorCount = 0UL;

#ifndef NO_GUI

extern char *BigBuffer;
extern char *TexFileRoot;
extern char *TexBibName;         // Bibliography output file name
extern char *TexTmpBibName;      // Temporary bibliography output file name
extern wxList ColourTable;
extern TexChunk *TopLevel;
extern char *PageStyle;
extern char *BibliographyStyleString;
extern char *DocumentStyleString;
extern char *bitmapMethod;
extern char *backgroundColourString;
extern char *ContentsNameString;
extern char *AbstractNameString;
extern char *GlossaryNameString;
extern char *ReferencesNameString;
extern char *FiguresNameString;
extern char *TablesNameString;
extern char *FigureNameString;
extern char *TableNameString;
extern char *IndexNameString;
extern char *ChapterNameString;
extern char *SectionNameString;
extern char *SubsectionNameString;
extern char *SubsubsectionNameString;
extern char *UpNameString;



#if wxUSE_HELP
wxHelpController *HelpInstance = NULL;
#endif // wxUSE_HELP

#ifdef __WXMSW__
static char *ipc_buffer = NULL;
static char Tex2RTFLastStatus[100];
Tex2RTFServer *TheTex2RTFServer = NULL;
#endif
#endif

char *bulletFile = NULL;

FILE *Contents = NULL;   // Contents page
FILE *Chapters = NULL;   // Chapters (WinHelp RTF) or rest of file (linear RTF)
FILE *Sections = NULL;
FILE *Subsections = NULL;
FILE *Subsubsections = NULL;
FILE *Popups = NULL;
FILE *WinHelpContentsFile = NULL;

char *InputFile = NULL;
char *OutputFile = NULL;
char *MacroFile = copystring("tex2rtf.ini");

char *FileRoot = NULL;
char *ContentsName = NULL;    // Contents page from last time around
char *TmpContentsName = NULL; // Current contents page
char *TmpFrameContentsName = NULL; // Current frame contents page
char *WinHelpContentsFileName = NULL; // WinHelp .cnt file
char *RefFileName = NULL;         // Reference file name

char *RTFCharset = copystring("ansi");

#ifdef __WXMSW__
int BufSize = 100;             // Size of buffer in K
#else
int BufSize = 500;
#endif

bool Go(void);
void ShowOptions(void);

char wxTex2RTFBuffer[1500];

#ifdef NO_GUI

int main(int argc, char **argv)
#else
wxMenuBar *menuBar = NULL;
MyFrame *frame = NULL;

// DECLARE_APP(MyApp)
IMPLEMENT_APP(MyApp)

// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit()
#endif
{
  // Use default list of macros defined in tex2any.cc
  DefineDefaultMacros();
  AddMacroDef(ltHARDY, "hardy", 0);

  FileRoot = new char[300];
  ContentsName = new char[300];
  TmpContentsName = new char[300];
  TmpFrameContentsName = new char[300];
  WinHelpContentsFileName = new char[300];
  RefFileName = new char[300];

  ColourTable.DeleteContents(TRUE);

  int n = 1;

  // Read input/output files
  if (argc > 1)
  {
    if (argv[1][0] != '-')
    {
      InputFile = argv[1];
      n ++;

      if (argc > 2)
      {
        if (argv[2][0] != '-')
        {
          OutputFile = argv[2];
          n ++;
        }
      }
    }
  }

#ifdef NO_GUI
  if (!InputFile || !OutputFile)
  {
    wxSTD cout << "Tex2RTF: input or output file is missing.\n";
    ShowOptions();
    exit(1);
  }

#endif
  if (InputFile)
  {
    TexPathList.EnsureFileAccessible(InputFile);
  }
  if (!InputFile || !OutputFile)
    isInteractive = TRUE;

  int i;
  for (i = n; i < argc;)
  {
    if (strcmp(argv[i], "-winhelp") == 0)
    {
      i ++;
      convertMode = TEX_RTF;
      winHelp = TRUE;
    }
#ifndef NO_GUI
    else if (strcmp(argv[i], "-interactive") == 0)
    {
      i ++;
      isInteractive = TRUE;
    }
#endif
    else if (strcmp(argv[i], "-sync") == 0)  // Don't yield
    {
      i ++;
      isSync = TRUE;
    }
    else if (strcmp(argv[i], "-rtf") == 0)
    {
      i ++;
      convertMode = TEX_RTF;
    }
    else if (strcmp(argv[i], "-html") == 0)
    {
      i ++;
      convertMode = TEX_HTML;
    }
    else if (strcmp(argv[i], "-xlp") == 0)
    {
      i ++;
      convertMode = TEX_XLP;
    }
    else if (strcmp(argv[i], "-twice") == 0)
    {
      i ++;
      runTwice = TRUE;
    }
    else if (strcmp(argv[i], "-macros") == 0)
    {
      i ++;
      if (i < argc)
      {
        MacroFile = copystring(argv[i]);
        i ++;
      }
    }
    else if (strcmp(argv[i], "-bufsize") == 0)
    {
      i ++;
      if (i < argc)
      {
        BufSize = atoi(argv[i]);
        i ++;
      }
    }
    else if (strcmp(argv[i], "-charset") == 0)
    {
      i ++;
      if (i < argc)
      {
        char *s = argv[i];
        i ++;
        if (strcmp(s, "ansi") == 0 || strcmp(s, "pc") == 0 || strcmp(s, "mac") == 0 ||
            strcmp(s, "pca") == 0)
          RTFCharset = copystring(s);
        else
        {
          OnError("Incorrect argument for -charset");
          return FALSE;
        }
      }
    }
    else if (strcmp(argv[i], "-checkcurleybraces") == 0)
    {
      i ++;
      checkCurleyBraces = TRUE;
    }
    else if (strcmp(argv[i], "-checksyntax") == 0)
    {
      i ++;
      checkSyntax = TRUE;
    }
    else
    {
      wxString buf;
      buf.Printf("Invalid switch %s.\n", argv[i]);
      OnError((char *)buf.c_str());
      i++;
#ifdef NO_GUI
      ShowOptions();
      exit(1);
#endif
      return FALSE;
    }
  }

#if defined(__WXMSW__) && !defined(NO_GUI)
  wxDDEInitialize();
  Tex2RTFLastStatus[0] = 0; // DDE connection return value
  TheTex2RTFServer = new Tex2RTFServer;
  TheTex2RTFServer->Create("TEX2RTF");
#endif

#if defined(__WXMSW__) && defined(__WIN16__)
  // Limit to max Windows array size
  if (BufSize > 64) BufSize = 64;
#endif

  TexInitialize(BufSize);
  ResetContentsLevels(0);

#ifndef NO_GUI

  if (isInteractive)
  {
    char buf[100];

    // Create the main frame window
    frame = new MyFrame(NULL, -1, "Tex2RTF", wxPoint(-1, -1), wxSize(400, 300));
    frame->CreateStatusBar(2);

    // Give it an icon
    // TODO: uncomment this when we have tex2rtf.xpm
    frame->SetIcon(wxICON(tex2rtf));

    if (InputFile)
    {
      sprintf(buf, "Tex2RTF [%s]", wxFileNameFromPath(InputFile));
      frame->SetTitle(buf);
    }

    // Make a menubar
    wxMenu *file_menu = new wxMenu;
    file_menu->Append(TEX_GO, "&Go",                        "Run converter");
    file_menu->Append(TEX_SET_INPUT, "Set &Input File",     "Set the LaTeX input file");
    file_menu->Append(TEX_SET_OUTPUT, "Set &Output File",   "Set the output file");
    file_menu->AppendSeparator();
    file_menu->Append(TEX_VIEW_LATEX, "View &LaTeX File",   "View the LaTeX input file");
    file_menu->Append(TEX_VIEW_OUTPUT, "View Output &File", "View output file");
    file_menu->Append(TEX_SAVE_FILE, "&Save log file", "Save displayed text into file");
    file_menu->AppendSeparator();
    file_menu->Append(TEX_QUIT, "E&xit",                    "Exit Tex2RTF");

    wxMenu *macro_menu = new wxMenu;

    macro_menu->Append(TEX_LOAD_CUSTOM_MACROS, "&Load Custom Macros", "Load custom LaTeX macro file");
    macro_menu->Append(TEX_VIEW_CUSTOM_MACROS, "View &Custom Macros", "View custom LaTeX macros");

    wxMenu *mode_menu = new wxMenu;

    mode_menu->Append(TEX_MODE_RTF, "Output linear &RTF",   "Wordprocessor-compatible RTF");
    mode_menu->Append(TEX_MODE_WINHELP, "Output &WinHelp RTF", "WinHelp-compatible RTF");
    mode_menu->Append(TEX_MODE_HTML, "Output &HTML",        "HTML World Wide Web hypertext file");
    mode_menu->Append(TEX_MODE_XLP, "Output &XLP",          "wxHelp hypertext help file");

    wxMenu *options_menu = new wxMenu;

    options_menu->Append(TEX_OPTIONS_CURELY_BRACE, "Curley brace matching",   "Checks for mismatched curley braces",TRUE);
    options_menu->Append(TEX_OPTIONS_SYNTAX_CHECKING, "Syntax checking", "Syntax checking for common errors",TRUE);

    options_menu->Check(TEX_OPTIONS_CURELY_BRACE, checkCurleyBraces);
    options_menu->Check(TEX_OPTIONS_SYNTAX_CHECKING, checkSyntax);

    wxMenu *help_menu = new wxMenu;

    help_menu->Append(TEX_HELP, "&Help", "Tex2RTF Contents Page");
    help_menu->Append(TEX_ABOUT, "&About Tex2RTF", "About Tex2RTF");

    menuBar = new wxMenuBar;
    menuBar->Append(file_menu, "&File");
    menuBar->Append(macro_menu, "&Macros");
    menuBar->Append(mode_menu, "&Conversion Mode");
    menuBar->Append(options_menu, "&Options");
    menuBar->Append(help_menu, "&Help");

    frame->SetMenuBar(menuBar);
    frame->textWindow = new wxTextCtrl(frame, -1, "", wxPoint(-1, -1), wxSize(-1, -1), wxTE_READONLY|wxTE_MULTILINE);

    (*frame->textWindow) << "Welcome to Tex2RTF.\n";
//    ShowOptions();

#if wxUSE_HELP
    HelpInstance = new wxHelpController();
    HelpInstance->Initialize("tex2rtf");
#endif // wxUSE_HELP

    /*
     * Read macro/initialisation file
     *
     */

    wxString path;
    if ((path = TexPathList.FindValidPath(MacroFile)) != "")
      ReadCustomMacros((char*) (const char*) path);

    strcpy(buf, "In ");

    if (winHelp && (convertMode == TEX_RTF))
      strcat(buf, "WinHelp RTF");
    else if (!winHelp && (convertMode == TEX_RTF))
      strcat(buf, "linear RTF");
    else if (convertMode == TEX_HTML) strcat(buf, "HTML");
    else if (convertMode == TEX_XLP) strcat(buf, "XLP");
      strcat(buf, " mode.");
    frame->SetStatusText(buf, 1);

    frame->Show(TRUE);
    return TRUE;
  }
  else
#endif // NO_GUI
  {
    /*
     * Read macro/initialisation file
     *
     */

    wxString path;
    if ((path = TexPathList.FindValidPath(MacroFile)) != "")
      ReadCustomMacros((char*) (const char*) path);

    Go();
    if (runTwice) 
    {
        Go();
    }
#ifdef NO_GUI
    return 0;
#else
    return FALSE;
#endif
  }

#ifndef NO_GUI
  // Return the main frame window
  return TRUE;
#else
  return 0;
#endif
}

#ifndef NO_GUI
int MyApp::OnExit()
{
  wxNode *node = CustomMacroList.First();
  while (node)
  {
    CustomMacro *macro = (CustomMacro *)node->Data();
    delete macro;
    delete node;
    node = CustomMacroList.First();
  }
  MacroDefs.BeginFind();
  node = MacroDefs.Next();
  while (node)
  {
    TexMacroDef* def = (TexMacroDef*) node->Data();
    delete def;
    node = MacroDefs.Next();
  }
  MacroDefs.Clear();
#ifdef __WXMSW__
  delete TheTex2RTFServer;
  wxDDECleanUp();
#endif

#if wxUSE_HELP
  delete HelpInstance;
#endif // wxUSE_HELP

    if (BigBuffer)
    {
      delete BigBuffer;
      BigBuffer = NULL;
    }
    if (currentArgData)
    {
      delete currentArgData;
      currentArgData = NULL;
    }
    if (TexFileRoot)
    {
      delete TexFileRoot;
      TexFileRoot = NULL;
    }
    if (TexBibName)
    {
      delete TexBibName;
      TexBibName = NULL;
    }
    if (TexTmpBibName)
    {
      delete TexTmpBibName;
      TexTmpBibName = NULL;
    }
    if (FileRoot)
    {
      delete FileRoot;
      FileRoot = NULL;
    }
    if (ContentsName)
    {
      delete ContentsName;
      ContentsName = NULL;
    }
    if (TmpContentsName)
    {
      delete TmpContentsName;
      TmpContentsName = NULL;
    }
    if (TmpFrameContentsName)
    {
      delete TmpFrameContentsName;
      TmpFrameContentsName = NULL;
    }
    if (WinHelpContentsFileName)
    {
      delete WinHelpContentsFileName;
      WinHelpContentsFileName = NULL;
    }
    if (RefFileName)
    {
      delete RefFileName;
      RefFileName = NULL;
    }
    if (TopLevel)
    {
      delete TopLevel;
      TopLevel = NULL;
    }
    if (MacroFile)
    {
      delete MacroFile;
      MacroFile = NULL;
    }
    if (RTFCharset)
    {
      delete RTFCharset;
      RTFCharset = NULL;
    }

    delete [] PageStyle;
    delete [] BibliographyStyleString;
    delete [] DocumentStyleString;
    delete [] bitmapMethod;
    delete [] backgroundColourString;
    delete [] ContentsNameString;
    delete [] AbstractNameString;
    delete [] GlossaryNameString;
    delete [] ReferencesNameString;
    delete [] FiguresNameString;
    delete [] TablesNameString;
    delete [] FigureNameString;
    delete [] TableNameString;
    delete [] IndexNameString;
    delete [] ChapterNameString;
    delete [] SectionNameString;
    delete [] SubsectionNameString;
    delete [] SubsubsectionNameString;
    delete [] UpNameString;
    if (winHelpTitle)
      delete[] winHelpTitle;

  // TODO: this simulates zero-memory leaks!
  // Otherwise there are just too many...
#ifndef __WXGTK__
#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
  wxDebugContext::SetCheckpoint();
#endif
#endif

  return 0;
}
#endif
void ShowOptions(void)
{
    char buf[100];
    sprintf(buf, "Tex2RTF version %.2f", versionNo);
    OnInform(buf);
    OnInform("Usage: tex2rtf [input] [output] [switches]\n");
    OnInform("where valid switches are");
#ifndef NO_GUI
    OnInform("    -interactive");
#endif
    OnInform("    -bufsize <size in K>");
    OnInform("    -charset <pc | pca | ansi | mac> (default ansi)");
    OnInform("    -twice");
    OnInform("    -sync");
    OnInform("    -checkcurleybraces");
    OnInform("    -checksyntax");
    OnInform("    -macros <filename>");
    OnInform("    -winhelp");
    OnInform("    -rtf");
    OnInform("    -html");
    OnInform("    -xlp\n");
}

#ifndef NO_GUI

BEGIN_EVENT_TABLE(MyFrame, wxFrame)
    EVT_CLOSE(MyFrame::OnCloseWindow)
    EVT_MENU(TEX_QUIT, MyFrame::OnExit)
    EVT_MENU(TEX_GO, MyFrame::OnGo)
    EVT_MENU(TEX_SET_INPUT, MyFrame::OnSetInput)
    EVT_MENU(TEX_SET_OUTPUT, MyFrame::OnSetOutput)
    EVT_MENU(TEX_SAVE_FILE, MyFrame::OnSaveFile)
    EVT_MENU(TEX_VIEW_LATEX, MyFrame::OnViewLatex)
    EVT_MENU(TEX_VIEW_OUTPUT, MyFrame::OnViewOutput)
    EVT_MENU(TEX_VIEW_CUSTOM_MACROS, MyFrame::OnShowMacros)
    EVT_MENU(TEX_LOAD_CUSTOM_MACROS, MyFrame::OnLoadMacros)
    EVT_MENU(TEX_MODE_RTF, MyFrame::OnModeRTF)
    EVT_MENU(TEX_MODE_WINHELP, MyFrame::OnModeWinHelp)
    EVT_MENU(TEX_MODE_HTML, MyFrame::OnModeHTML)
    EVT_MENU(TEX_MODE_XLP, MyFrame::OnModeXLP)
    EVT_MENU(TEX_OPTIONS_CURELY_BRACE, MyFrame::OnOptionsCurleyBrace)
    EVT_MENU(TEX_OPTIONS_SYNTAX_CHECKING, MyFrame::OnOptionsSyntaxChecking)
    EVT_MENU(TEX_HELP, MyFrame::OnHelp)
    EVT_MENU(TEX_ABOUT, MyFrame::OnAbout)
END_EVENT_TABLE()

// My frame constructor
MyFrame::MyFrame(wxFrame *frame, wxWindowID id, const wxString& title, const wxPoint& pos, const wxSize& size):
  wxFrame(frame, id, title, pos, size)
{}

void MyFrame::OnCloseWindow(wxCloseEvent& event)
{
  if (!stopRunning && !OkToClose)
  {
    stopRunning = TRUE;
    runTwice = FALSE;
    return;
  }
  else if (OkToClose)
  {
    this->Destroy();
  }
}

void MyFrame::OnExit(wxCommandEvent& event)
{
  Close();
//    this->Destroy();
}

void MyFrame::OnGo(wxCommandEvent& event)
{
      passNumber = 1;
      errorCount = 0;
      menuBar->EnableTop(0, FALSE);
      menuBar->EnableTop(1, FALSE);
      menuBar->EnableTop(2, FALSE);
      menuBar->EnableTop(3, FALSE);
      textWindow->Clear();
      Tex2RTFYield(TRUE);
      Go();

      if (stopRunning)
      {
        SetStatusText("Build aborted!");
        wxString errBuf;
        errBuf.Printf("\nErrors encountered during this pass: %lu\n", errorCount);
        OnInform((char *)errBuf.c_str());
      }


      if (runTwice && !stopRunning)
      {
        Tex2RTFYield(TRUE);
        Go();
      }
      menuBar->EnableTop(0, TRUE);
      menuBar->EnableTop(1, TRUE);
      menuBar->EnableTop(2, TRUE);
      menuBar->EnableTop(3, TRUE);
}

void MyFrame::OnSetInput(wxCommandEvent& event)
{
      ChooseInputFile(TRUE);
}

void MyFrame::OnSetOutput(wxCommandEvent& event)
{
      ChooseOutputFile(TRUE);
}

void MyFrame::OnSaveFile(wxCommandEvent& event)
{
      wxString s = wxFileSelector("Save text to file", "", "", "txt", "*.txt");
      if (s != "")
      {
        textWindow->SaveFile(s);
        char buf[350];
        sprintf(buf, "Saved text to %s", (const char*) s);
        frame->SetStatusText(buf, 0);
      }
}

void MyFrame::OnViewOutput(wxCommandEvent& event)
{
      ChooseOutputFile();
      if (OutputFile && wxFileExists(OutputFile))
      {
        textWindow->LoadFile(OutputFile);
        char buf[300];
        wxString str(wxFileNameFromPath(OutputFile));
        sprintf(buf, "Tex2RTF [%s]", (const char*) str);
        frame->SetTitle(buf);
      }
}

void MyFrame::OnViewLatex(wxCommandEvent& event)
{
      ChooseInputFile();
      if (InputFile && wxFileExists(InputFile))
      {
        textWindow->LoadFile(InputFile);
        char buf[300];
        wxString str(wxFileNameFromPath(OutputFile));
        sprintf(buf, "Tex2RTF [%s]", (const char*) str);
        frame->SetTitle(buf);
      }
}

void MyFrame::OnLoadMacros(wxCommandEvent& event)
{
      textWindow->Clear();
      wxString s = wxFileSelector("Choose custom macro file", wxPathOnly(MacroFile), wxFileNameFromPath(MacroFile), "ini", "*.ini");
      if (s != "" && wxFileExists(s))
      {
        MacroFile = copystring(s);
        ReadCustomMacros((char*) (const char*) s);
        ShowCustomMacros();
      }
}

void MyFrame::OnShowMacros(wxCommandEvent& event)
{
      textWindow->Clear();
      Tex2RTFYield(TRUE);
      ShowCustomMacros();
}

void MyFrame::OnModeRTF(wxCommandEvent& event)
{
      convertMode = TEX_RTF;
      winHelp = FALSE;
      InputFile = NULL;
      OutputFile = NULL;
      SetStatusText("In linear RTF mode.", 1);
}

void MyFrame::OnModeWinHelp(wxCommandEvent& event)
{
      convertMode = TEX_RTF;
      winHelp = TRUE;
      InputFile = NULL;
      OutputFile = NULL;
      SetStatusText("In WinHelp RTF mode.", 1);
}

void MyFrame::OnModeHTML(wxCommandEvent& event)
{
      convertMode = TEX_HTML;
      winHelp = FALSE;
      InputFile = NULL;
      OutputFile = NULL;
      SetStatusText("In HTML mode.", 1);
}

void MyFrame::OnModeXLP(wxCommandEvent& event)
{
      convertMode = TEX_XLP;
      InputFile = NULL;
      OutputFile = NULL;
      SetStatusText("In XLP mode.", 1);
}

void MyFrame::OnOptionsCurleyBrace(wxCommandEvent& event)
{
    checkCurleyBraces = !checkCurleyBraces;
    if (checkCurleyBraces)
    {
        SetStatusText("Checking curley braces: YES", 1);
    }
    else
    {
        SetStatusText("Checking curley braces: NO", 1);
    }
}


void MyFrame::OnOptionsSyntaxChecking(wxCommandEvent& event)
{
    checkSyntax = !checkSyntax;
    if (checkSyntax)
    {
        SetStatusText("Checking syntax: YES", 1);
    }
    else
    {
        SetStatusText("Checking syntax: NO", 1);
    }
}


void MyFrame::OnHelp(wxCommandEvent& event)
{
#if wxUSE_HELP
      HelpInstance->LoadFile();
      HelpInstance->DisplayContents();
#endif // wxUSE_HELP
}

void MyFrame::OnAbout(wxCommandEvent& event)
{
      char buf[300];
#ifdef __WIN32__
      char *platform = " (32-bit)";
#else
#ifdef __WXMSW__
      char *platform = " (16-bit)";
#else
      char *platform = "";
#endif
#endif
      sprintf(buf, "Tex2RTF Version %.2f%s\nLaTeX to RTF, WinHelp, and HTML Conversion\n\n(c) Julian Smart, George Tasker and others, 1999-2002", versionNo, platform);
      wxMessageBox(buf, "About Tex2RTF");
}

void ChooseInputFile(bool force)
{
  if (force || !InputFile)
  {
    wxString s = wxFileSelector("Choose LaTeX input file", wxPathOnly(InputFile), wxFileNameFromPath(InputFile), "tex", "*.tex");
    if (s != "")
    {
      // Different file, so clear index entries.
      ClearKeyWordTable();
      ResetContentsLevels(0);
      passNumber = 1;
      errorCount = 0;

      InputFile = copystring(s);
      wxString str = wxFileNameFromPath(InputFile);
      wxString buf;
      buf.Printf("Tex2RTF [%s]", str.c_str());
      frame->SetTitle((char *)buf.c_str());
      OutputFile = NULL;
    }
  }
}

void ChooseOutputFile(bool force)
{
  char extensionBuf[10];
  char wildBuf[10];
  strcpy(wildBuf, "*.");
  wxString path;
  if (OutputFile)
    path = wxPathOnly(OutputFile);
  else if (InputFile)
    path = wxPathOnly(InputFile);

  switch (convertMode)
  {
    case TEX_RTF:
    {
      strcpy(extensionBuf, "rtf");
      strcat(wildBuf, "rtf");
      break;
    }
    case TEX_XLP:
    {
      strcpy(extensionBuf, "xlp");
      strcat(wildBuf, "xlp");
      break;
    }
    case TEX_HTML:
    {
#if defined(__WXMSW__) && defined(__WIN16__)
      strcpy(extensionBuf, "htm");
      strcat(wildBuf, "htm");
#else
      strcpy(extensionBuf, "html");
      strcat(wildBuf, "html");
#endif
      break;
    }
  }
  if (force || !OutputFile)
  {
    wxString s = wxFileSelector("Choose output file", path, wxFileNameFromPath(OutputFile),
                   extensionBuf, wildBuf);
    if (s != "")
      OutputFile = copystring(s);
  }
}
#endif

bool Go(void)
{
#ifndef NO_GUI
  ChooseInputFile();
  ChooseOutputFile();
#endif

  if (!InputFile || !OutputFile || stopRunning)
    return FALSE;

#ifndef NO_GUI
  if (isInteractive)
  {
    char buf[300];
    wxString str = wxFileNameFromPath(InputFile);

    sprintf(buf, "Tex2RTF [%s]", (const char*) str);
    frame->SetTitle(buf);
  }

  wxStartTimer();
#endif

  // Find extension-less filename
  strcpy(FileRoot, OutputFile);
  StripExtension(FileRoot);

  if (truncateFilenames && convertMode == TEX_HTML)
  {
    // Truncate to five characters. This ensures that
    // we can generate DOS filenames such as thing999. But 1000 files
    // may not be enough, of course...
    char* sName = wxFileNameFromPath( FileRoot);  // this Julian's method is non-destructive reference

    if(sName)
      if(strlen( sName) > 5)
        sName[5] = '\0';  // that should do!
  }

  sprintf(ContentsName, "%s.con", FileRoot);
  sprintf(TmpContentsName, "%s.cn1", FileRoot);
  sprintf(TmpFrameContentsName, "%s.frc", FileRoot);
  sprintf(WinHelpContentsFileName, "%s.cnt", FileRoot);
  sprintf(RefFileName, "%s.ref", FileRoot);

  TexPathList.EnsureFileAccessible(InputFile);
  if (!bulletFile)
  {
    wxString s = TexPathList.FindValidPath("bullet.bmp");
    if (s != "")
    {
      wxString str = wxFileNameFromPath(s);
      bulletFile = copystring(str);
    }
  }

  if (wxFileExists(RefFileName))
    ReadTexReferences(RefFileName);

  bool success = FALSE;

  if (InputFile && OutputFile)
  {
    if (!wxFileExists(InputFile))
    {
      OnError("Cannot open input file!");
      TexCleanUp();
      return FALSE;
    }
#ifndef NO_GUI
    if (isInteractive)
    {
      wxString buf;
      buf.Printf("Working, pass %d...Click CLOSE to abort", passNumber);
      frame->SetStatusText((char *)buf.c_str());
    }
#endif
    OkToClose = FALSE;
    OnInform("Reading LaTeX file...");
    TexLoadFile(InputFile);

    if (stopRunning)
    {
        OkToClose = TRUE;
        return FALSE;
    }

    switch (convertMode)
    {
      case TEX_RTF:
      {
        success = RTFGo();
        break;
      }
      case TEX_XLP:
      {
        success = XLPGo();
        break;
      }
      case TEX_HTML:
      {
        success = HTMLGo();
        break;
      }
    }
  }
  if (stopRunning)
  {
    OnInform("*** Aborted by user.");
    success = FALSE;
    stopRunning = FALSE;
    OkToClose = TRUE;
  }

  if (success)
  {
    WriteTexReferences(RefFileName);
    TexCleanUp();
    startedSections = FALSE;

    wxString buf;
#ifndef NO_GUI
    long tim = wxGetElapsedTime();
    buf.Printf("Finished PASS #%d in %ld seconds.\n", passNumber, (long)(tim/1000.0));
    OnInform((char *)buf.c_str());

    if (errorCount)
    {
        buf.Printf("Errors encountered during this pass: %lu\n", errorCount);
        OnInform((char *)buf.c_str());
    }

    if (isInteractive)
    {
      buf.Printf("Done, %d %s.", passNumber, (passNumber > 1) ? "passes" : "pass");
      frame->SetStatusText((char *)buf.c_str());
    }
#else
    buf.Printf("Done, %d %s.", passNumber, (passNumber > 1) ? "passes" : "pass");
    OnInform((char *)buf.c_str());
    if (errorCount)
    {
        buf.Printf("Errors encountered during this pass: %lu\n", errorCount);
        OnInform((char *)buf.c_str());
    }
#endif
    passNumber ++;
    errorCount = 0;
    OkToClose = TRUE;
    return TRUE;
  }

  TexCleanUp();
  startedSections = FALSE;

#ifndef NO_GUI
  frame->SetStatusText("Aborted by user.");
#endif // GUI

  OnInform("Sorry, unsuccessful.");
  OkToClose = TRUE;
  return FALSE;
}

void OnError(const char *msg)
{
  errorCount++;

#ifdef NO_GUI
  wxSTD cerr << "Error: " << msg << "\n";
  wxSTD cerr.flush();
#else
  if (isInteractive && frame)
    (*frame->textWindow) << "Error: " << msg << "\n";
  else
#ifdef __UNIX__
  {
    wxSTD cerr << "Error: " << msg << "\n";
    wxSTD cerr.flush();
  }
#endif

#ifdef __WXMSW__
    wxLogError(msg);
#endif
  Tex2RTFYield(TRUE);
#endif // NO_GUI
}

void OnInform(const char *msg)
{
#ifdef NO_GUI
  wxSTD cout << msg << "\n";
  wxSTD cout.flush();
#else
  if (isInteractive && frame)
    (*frame->textWindow) << msg << "\n";
/* This whole block of code is just wrong I think.  It would behave
   completely wrong under anything other than MSW due to the ELSE
      with no statement, and the cout calls would fail under MSW, as
      the code in this block is compiled if !NO_GUI This code has been 
      here since v1.1 of this file too. - gt
  else
#ifdef __WXMSW__
  {
    wxSTD cout << msg << "\n";
    wxSTD cout.flush();
  }
#endif
#ifdef __WXMSW__
    {}
#endif
*/
  if (isInteractive)
  {
    Tex2RTFYield(TRUE);
  }
#endif // NO_GUI
}

void OnMacro(int macroId, int no_args, bool start)
{
  switch (convertMode)
  {
    case TEX_RTF:
    {
      RTFOnMacro(macroId, no_args, start);
      break;
    }
    case TEX_XLP:
    {
      XLPOnMacro(macroId, no_args, start);
      break;
    }
    case TEX_HTML:
    {
      HTMLOnMacro(macroId, no_args, start);
      break;
    }
  }
}

bool OnArgument(int macroId, int arg_no, bool start)
{
  switch (convertMode)
  {
    case TEX_RTF:
    {
      return RTFOnArgument(macroId, arg_no, start);
      break;
    }
    case TEX_XLP:
    {
      return XLPOnArgument(macroId, arg_no, start);
      break;
    }
    case TEX_HTML:
    {
      return HTMLOnArgument(macroId, arg_no, start);
      break;
    }
  }
  return TRUE;
}

/*
 * DDE Stuff
 */
#if defined(__WXMSW__) && !defined(NO_GUI)

/*
 * Server
 */

wxConnectionBase *Tex2RTFServer::OnAcceptConnection(const wxString& topic)
{
  if (topic == "TEX2RTF")
  {
    if (!ipc_buffer)
      ipc_buffer = new char[1000];

    return new Tex2RTFConnection(ipc_buffer, 4000);
  }
  else
    return NULL;
}

 /*
  * Connection
  */

Tex2RTFConnection::Tex2RTFConnection(char *buf, int size):wxDDEConnection(buf, size)
{
}

Tex2RTFConnection::~Tex2RTFConnection(void)
{
}

bool SplitCommand(char *data, char *firstArg, char *secondArg)
{
  firstArg[0] = 0;
  secondArg[0] = 0;
  int i = 0;
  bool stop = FALSE;
  // Find first argument (command name)
  while (!stop)
  {
    if (data[i] == ' ' || data[i] == 0)
      stop = TRUE;
    else
    {
      firstArg[i] = data[i];
      i ++;
    }
  }
  firstArg[i] = 0;
  if (data[i] == ' ')
  {
    // Find second argument
    i ++;
    int j = 0;
    while (data[i] != 0)
    {
      secondArg[j] = data[i];
      i ++;
      j ++;
    }
    secondArg[j] = 0;
  }
  return TRUE;
}

bool Tex2RTFConnection::OnExecute(const wxString& topic, char *data, int size, int format)
{
  strcpy(Tex2RTFLastStatus, "OK");

  char firstArg[50];
  char secondArg[300];
  if (SplitCommand(data, firstArg, secondArg))
  {
    bool hasArg = (strlen(secondArg) > 0);
    if (strcmp(firstArg, "INPUT") == 0 && hasArg)
    {
      if (InputFile) delete[] InputFile;
      InputFile = copystring(secondArg);
      if (frame)
      {
        char buf[100];
        wxString str = wxFileNameFromPath(InputFile);
        sprintf(buf, "Tex2RTF [%s]", (const char*) str);
        frame->SetTitle(buf);
      }
    }
    else if (strcmp(firstArg, "OUTPUT") == 0 && hasArg)
    {
      if (OutputFile) delete[] OutputFile;
      OutputFile = copystring(secondArg);
    }
    else if (strcmp(firstArg, "GO") == 0)
    {
      strcpy(Tex2RTFLastStatus, "WORKING");
      if (!Go())
        strcpy(Tex2RTFLastStatus, "CONVERSION ERROR");
      else
        strcpy(Tex2RTFLastStatus, "OK");
    }
    else if (strcmp(firstArg, "EXIT") == 0)
    {
      if (frame) frame->Close();
    }
    else if (strcmp(firstArg, "MINIMIZE") == 0 || strcmp(firstArg, "ICONIZE") == 0)
    {
      if (frame)
        frame->Iconize(TRUE);
    }
    else if (strcmp(firstArg, "SHOW") == 0 || strcmp(firstArg, "RESTORE") == 0)
    {
      if (frame)
      {
        frame->Iconize(FALSE);
        frame->Show(TRUE);
      }
    }
    else
    {
      // Try for a setting
      strcpy(Tex2RTFLastStatus, RegisterSetting(firstArg, secondArg, FALSE));
#ifndef NO_GUI
      if (frame && strcmp(firstArg, "conversionMode") == 0)
      {
        char buf[100];
        strcpy(buf, "In ");

        if (winHelp && (convertMode == TEX_RTF))
          strcat(buf, "WinHelp RTF");
        else if (!winHelp && (convertMode == TEX_RTF))
          strcat(buf, "linear RTF");
        else if (convertMode == TEX_HTML) strcat(buf, "HTML");
        else if (convertMode == TEX_XLP) strcat(buf, "XLP");
          strcat(buf, " mode.");
        frame->SetStatusText(buf, 1);
      }
#endif
    }
  }
  return TRUE;
}

char *Tex2RTFConnection::OnRequest(const wxString& topic, const wxString& item, int *size, int format)
{
  return Tex2RTFLastStatus;
}

#endif

#ifndef NO_GUI
#ifndef __WXGTK__
//void wxObject::Dump(wxSTD ostream& str)
//{
//  if (GetClassInfo() && GetClassInfo()->GetClassName())
//    str << GetClassInfo()->GetClassName();
//  else
//    str << "unknown object class";
//}
#endif
#endif

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