Quelle lastfiles.C Sprache: C

/* This file is part of
* ======================================================
*
*           LyX, The Document Processor
*
*     Copyright (C) 1995 Matthias Ettrich
*           Copyright (C) 1995-1998 The LyX Team.
*
*======================================================*/

#include <config.h>

#ifdef __GNUG__
#pragma implementation
#endif

//#include "definitions.h"
#include "lyxlex.h"
#include "FileInfo.h"
#include "lastfiles.h"
#include "filetools.h"
#include "error.h"

// $Id: lastfiles.C,v 1.1.1.1 1998/04/20 21:14:50 larsbj Exp $

#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: lastfiles.C,v 1.1.1.1 1998/04/20 21:14:50 larsbj Exp $";
#endif /* lint */

LastFiles::LastFiles(LString const & filename, bool st, char num)
: dostat(st)
{
setNumberOfFiles(num);
files = new LString[num_files];
readFile(filename);
}

LastFiles::~LastFiles()
{
delete[] files;
}

void LastFiles::setNumberOfFiles(char no)
{
if (1 <= no && no <= ABSOLUTEMAXLASTFILES)
  num_files = no;
else {
  lyxerr.print(LString("LyX: lastfiles: too many files\n"
   "\tdefault (=") + int(DEFAULTFILES) + ") used.");
  num_files = DEFAULTFILES;
}
}

void LastFiles::readFile(LString const & filename)
{
// we will not complain if we can't find filename nor will
// we issue a warning. Lgb.
LyXLex lex(NULL, 0); /* LyXLex should be changed
      * to allow constructor with
      * no parameters. */
bool error = false;

lex.setFile(filename);

if (!lex.IsOK()) return;

LString tmp;
FileInfo fileInfo;
int i = 0;

while (lex.IsOK() && !error && i < num_files) {
  switch(lex.lex()) {
  case LyXLex::LEX_FEOF:
   error = true;
   break;
  default:
   tmp = lex.GetString();
   // Check if the file exist
   if (dostat) {
    if (!(fileInfo.newFile(tmp).exist() &&
          fileInfo.isRegular()))
     break; // the file does not exist
   }
   files[i] = tmp;
   i++;
   break;
  }
}
}

void LastFiles::writeFile(LString const & filename) const
{
FilePtr fd(filename, FilePtr::write);
if (fd()) {
   for (int i = 0; i < num_files; i++) {
    if (!files[i].empty())
     fprintf(fd, "\"%s\"\n", files[i].c_str());
   }
} else
  lyxerr.print("LyX: Warning: unable to save LastFiles: "
         + filename);
}

void LastFiles::newFile(LString const & file)
{
int n;
// Find this file in list. If not in list, point to last entry
for(n = 0; n < (num_files - 1); n++)
  if(files[n] == file) break;

for(int i = n; i >= 1; i--)
  files[i] = files[i - 1];
files[0] = file;
}

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