lyx_mirror/src/lastfiles.C

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/* 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 1999/09/27 18:44:37 larsbj Exp $
#if !defined(lint) && !defined(WITH_WARNINGS)
static char vcid[] = "$Id: lastfiles.C,v 1.1 1999/09/27 18:44:37 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;
}