/* This file is part of
* ======================================================
- *
+ *
* LyX, The Document Processor
- *
+ *
* Copyright 1995 Matthias Ettrich
- * Copyright 1995-1999 The LyX Team.
+ * Copyright 1995-2001 The LyX Team.
*
- * ======================================================*/
+ * ====================================================== */
#include <config.h>
+#include "lastfiles.h"
+#include "debug.h"
-#ifdef __GNUG__
-#pragma implementation
-#endif
-
-#include "lyxlex.h"
#include "support/FileInfo.h"
-#include "lastfiles.h"
-#include "support/filetools.h"
-#include "error.h"
-LastFiles::LastFiles(string const & filename, bool st, char num)
+#include <fstream>
+#include <algorithm>
+#include <iterator>
+
+
+using namespace lyx::support;
+
+using std::ifstream;
+using std::ofstream;
+using std::getline;
+using std::endl;
+using std::find;
+using std::copy;
+using std::ostream_iterator;
+
+
+LastFiles::LastFiles(string const & filename, bool st, unsigned int num)
: dostat(st)
{
setNumberOfFiles(num);
- files = new string[num_files];
readFile(filename);
}
-LastFiles::~LastFiles()
-{
- delete[] files;
-}
-
-
-void LastFiles::setNumberOfFiles(char no)
+void LastFiles::setNumberOfFiles(unsigned int no)
{
- if (1 <= no && no <= ABSOLUTEMAXLASTFILES)
+ if (0 < no && no <= ABSOLUTEMAXLASTFILES)
num_files = no;
else {
- lyxerr.print(string("LyX: lastfiles: too many files\n"
- "\tdefault (=") + tostr(DEFAULTFILES) + ") used.");
+ lyxerr << "LyX: lastfiles: too many files\n"
+ "\tdefault (=" << int(DEFAULTFILES)
+ << ") used." << endl;
num_files = DEFAULTFILES;
}
}
void LastFiles::readFile(string const & filename)
{
// we will not complain if we can't find filename nor will
- // we issue a warning. Lgb.
- LyXLex lex(0, 0); /* LyXLex should be changed
- * to allow constructor with
- * no parameters. */
- bool error = false;
-
- lex.setFile(filename);
-
- if (!lex.IsOK()) return;
-
+ // we issue a warning. (Lgb)
+ ifstream ifs(filename.c_str());
string 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;
+
+ while (getline(ifs, tmp) && files.size() < num_files) {
+ if (dostat) {
+ if (!(fileInfo.newFile(tmp).exist() &&
+ fileInfo.isRegular()))
+ continue;
}
+ files.push_back(tmp);
}
}
void LastFiles::writeFile(string 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());
- }
+ ofstream ofs(filename.c_str());
+ if (ofs) {
+ copy(files.begin(), files.end(),
+ ostream_iterator<string>(ofs, "\n"));
} else
- lyxerr.print("LyX: Warning: unable to save LastFiles: "
- + filename);
+ lyxerr << "LyX: Warning: unable to save LastFiles: "
+ << filename << endl;
}
void LastFiles::newFile(string 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;
+ // If file already exist, delete it and reinsert at front.
+ Files::iterator it = find(files.begin(), files.end(), file);
+ if (it != files.end())
+ files.erase(it);
+ files.push_front(file);
+ if (files.size() > num_files)
+ files.pop_back();
+}
+
+
+string const LastFiles::operator[](unsigned int i) const
+{
+ if (i < files.size())
+ return files[i];
+ return string();
}