// -*- C++ -*-
/* This file is part of
* ======================================================
- *
+ *
* LyX, The Document Processor
- * Copyright (C) 1995 Matthias Ettrich
- *
- * This file is Copyright (C) 1996-1998
+ * Copyright 1995 Matthias Ettrich
+ * Copyright 1995-2001 The LyX Team.
+ *
+ * This file is Copyright 1996-2001
* Lars Gullik Bjønnes
+ * Ben Stanley
*
* ======================================================
*/
-#ifndef _DEP_TABLE_H
-#define _DEP_TABLE_H
+#ifndef DEP_TABLE_H
+#define DEP_TABLE_H
#include "LString.h"
-#include <stdio.h>
+#include <map>
///
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(LString const &f,
- bool upd = false,
- unsigned long one = 0,
- unsigned long two = 0);
+ void insert(string const & f, bool upd = false);
///
void update();
///
- void write(LString const &f);
- ///
- void read(LString const &f);
+ void write(string const & f) const;
+ /// returns true if dep file was read successfully
+ bool read(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(string const & fil) const;
+ /// return true if a file with extension ext has changed.
+ bool extchanged(string const & ext) const;
///
- bool haschanged(LString const &fil);
-private:
+ bool exist(string const & fil) const;
+ /// returns true if any files with ext exist
+ bool ext_exist(string const & ext) const;
///
- DepTable(LString const &f,
- bool upd,
- unsigned long one,
- unsigned long two);
+ void remove_files_with_extension(string const &);
+ ///
+ void remove_file(string const &);
+private:
///
- LString file;
- /// The files new checksum
- unsigned long new_sum;
- /// The files old checksum
- unsigned long old_sum;
+ struct dep_info {
+ /// 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<string, dep_info> DepList;
///
- void write(FILE *f);
+ DepList deplist;
};
#endif