// -*- 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
+/**
+ * \file DepTable.h
+ * This file is part of LyX, the document processor.
+ * Licence details can be found in the file COPYING.
*
- * ======================================================
+ * \author Lars Gullik Bjønnes
+ * \author Jean-Marc Lasgouttes
+ *
+ * Full author contact details are available in file CREDITS.
*/
#ifndef DEP_TABLE_H
#define DEP_TABLE_H
-#include "LString.h"
-#include <cstdio>
+#include <map>
+#include <string>
///
class DepTable {
public:
- ///
- DepTable();
- ///
/** This one is a little bit harder since we need the absolute
filename. Should we insert files with .sty .cls etc as
extension? */
- void insert(string const &f,
- bool upd = false,
- unsigned long one = 0,
- unsigned long two = 0);
+ void insert(std::string const & f, bool upd = false);
///
void update();
///
- void write(string const &f);
- ///
- void read(string const &f);
+ void write(std::string const & f) const;
+ /// returns true if dep file was read successfully
+ bool read(std::string const & f);
/// returns true if any of the files has changed
- bool sumchange();
+ bool sumchange() const;
+ /// return true if fil has changed.
+ bool haschanged(std::string const & fil) const;
+ /// return true if a file with extension ext has changed.
+ bool extchanged(std::string const & ext) const;
///
- bool haschanged(string const &fil);
-private:
+ bool exist(std::string const & fil) const;
+ /// returns true if any files with ext exist
+ bool ext_exist(std::string const & ext) const;
+ ///
+ void remove_files_with_extension(std::string const &);
///
- DepTable(string const &f,
- bool upd,
- unsigned long one,
- unsigned long two);
+ void remove_file(std::string const &);
+private:
///
- string file;
- /// The files new checksum
- unsigned long new_sum;
- /// The files old checksum
- unsigned long old_sum;
+ class dep_info {
+ public:
+ /// Previously calculated CRC value
+ unsigned long crc_prev;
+ /// Current CRC value - only re-computed if mtime has changed.
+ unsigned long crc_cur;
+ /// mtime from last time current CRC was calculated.
+ long mtime_cur;
+ ///
+ bool changed() const;
+ };
///
- DepTable *next;
-
+ typedef std::map<std::string, dep_info> DepList;
///
- void write(FILE *f);
+ DepList deplist;
};
#endif