Quelle LaTeX.h Sprache: C

// -*- C++ -*-
/* This file is part of
* ======================================================
*
*           LyX, The Document Processor
*      Copyright (C) 1995 Matthias Ettrich
*
*           This file is Copyright (C) 1996-1998
*           Lars Gullik Bjønnes
*
*======================================================
*/

#ifndef _LATEX_H
#define _LATEX_H

#ifdef __GNUG__
#pragma interface
#endif

#include "LString.h"
#include "DepTable.h"

class LyXLex;
class MiniBuffer;

///
class TeXErrors {
public:
///
TeXErrors() {
  errors = NULL;
  next_error = NULL;
  status = 0;
  number_of_errors = 0;
}
///
~TeXErrors();
///
void scanError(LyXLex &);
///
bool getFirstError(int *line, LString *text);
///
bool getNextError(int *line, LString *text);
///
void insertError(int line, LString const &error_desc,
    LString const &error_text);
///
void printErrors();
///
void printWarnings();
///
void printStatus();
///
int getStatus() { return status; }
private:
///
friend class LaTeX;
///
int status;
///
int number_of_errors;
///
struct Error {
  ///
  Error () {
   next_error = NULL;
   error_in_line = 0;
  }
  ///
  Error(int line, LString const &desc, LString const &text) {
   next_error = NULL;
   error_in_line = line;
   error_desc = desc;
   error_text = text;
  }
  ///
  ~Error() {
  }
  ///
  Error *next_error;
  /// what line in the TeX file the error occured in
  int error_in_line;
  /// The kind of error
  LString error_desc;
  /// The line/cmd that caused the error.
  LString error_text;
};
///
Error *errors;
///
Error *next_error;
};

///
class LaTeX {
public:
/** All the different files produced by TeX.

  This is the files mentioned on page 208-9 in Lamports book +
  .ltx and .tex files.
*/
enum TEX_FILES {
  ///
  NO_FILES = 0,
  /// used for table of contents et.al.
  AUX = 1,
  /// written by BibTeX
  BBL = 2,
  /// LaTeX's output
  DVI = 4,
  /// glossary (not supported by LyX so far)
  GLO = 8,
  ///index
  IDX = 16,
  /// written by makeindex
  IND = 32,
  /// list of figures
  LOF = 64,
  /// the LaTeX log file
  LOG = 128,
  /// list of tables
  LOT = 256,
  /// table of contents
  TOC = 512,
  /// latex files
  LTX = 1024,
  /// tex files
  TEX = 2048,
  /// list of algorithms
  LOA = 4096
};

/** Return values from scanLogFile() and run() (to come)

  This enum should be enlarged a bit so that one could
  get more feedback from the LaTeX run.
  */
enum log_status {
  ///
  NO_ERRORS = 0,
  ///
  NO_LOGFILE = 1,
  ///
  NO_OUTPUT = 2,
  ///
  UNDEF_REF = 4, // Reference '...' on page ... undefined.
  ///
  UNDEF_CIT = 8, // Citation '...' on page ... undefined.
  ///
  RERUN = 16, // Label(s) may have changed. Rerun to get...
  ///
  TEX_ERROR = 32,
  ///
  TEX_WARNING = 64,
  ///
  LATEX_ERROR = 128,
  ///
  LATEX_WARNING = 256,
  ///
  PACKAGE_WARNING = 512,
  ///
  NO_FILE = 1024,
  ///
  NO_CHANGE = 2048,
  ///
  ERRORS = TEX_ERROR + LATEX_ERROR,
  ///
  WARNINGS = TEX_WARNING + LATEX_WARNING + PACKAGE_WARNING
};

/**
  cmd = the latex command, file = name of the (temporary) latex file,
  path = name of the files original path.
  */
LaTeX(LString const & cmd, LString const & file, LString const & path);

/// runs LaTeX several times
int run(TeXErrors &, MiniBuffer *);

///
int getNumErrors() { return num_errors;}

/// use this for running LaTeX once
int operator() ();
private:
/** The dependency file.

  We store the file dependencies in this file.
  the depency file is on the format:
  <file> <new checksum> <old checksum>
  */
LString depfile;

///
LaTeX(){;}

///
LaTeX(const LaTeX&){;}

///
void deplog(DepTable &head);
///
void deptex(DepTable &head);

///
int scanLogFile(TeXErrors &);

///
bool runMakeIndex(LString const &);

///
bool runBibTeX(LString const &);

///
LString cmd;

///
LString file;

///
LString path;
///
TEX_FILES tex_files;

///
int file_count;

// used by scanLogFile
int num_errors;
};

#endif

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