X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDepTable.h;h=a3d50ea8b7b3ef31db43bedb2137aacf2f7c358a;hb=097595d63c8fc0b3e6c17af7545100247f4ee57d;hp=6b8dc5b597fa20c7030d43ff0a26f4cbbfddc64a;hpb=a040c0bc6f017d0591bbc7ad1aa590589dbc40ff;p=lyx.git

diff --git a/src/DepTable.h b/src/DepTable.h
index 6b8dc5b597..a3d50ea8b7 100644
--- a/src/DepTable.h
+++ b/src/DepTable.h
@@ -3,10 +3,12 @@
  * ====================================================== 
  * 
  *           LyX, The Document Processor
- *	     Copyright (C) 1995 Matthias Ettrich
+ *	     Copyright 1995 Matthias Ettrich
+ *           Copyright 1995-2001 The LyX Team.
  *        
- *           This file is Copyright (C) 1996-1998
+ *           This file is Copyright 1996-2001
  *           Lars Gullik Bjønnes
+ *           Ben Stanley
  *
  * ====================================================== 
  */
@@ -16,8 +18,6 @@
 
 #include "LString.h"
 #include <map>
-using std::map;
-using std::pair;
 
 #ifdef __GNUG__
 #pragma interface
@@ -30,27 +30,45 @@ public:
 	  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);
+		    bool upd = false);
 	///
 	void update();
 
 	///
-	void write(string const &f);
+	void write(string const & f) const;
 	///
-	void read(string const &f);
+	void 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);
+	bool haschanged(string const & fil) const;
 	/// return true if a file with extension ext has changed.
-	bool extchanged(string const & ext);
+	bool extchanged(string const & ext) const;
+	///
+	bool exist(string const & fil) const;
+	/// returns true if any files with ext exist
+	bool ext_exist(string const& ext) const;
+	///
+	void remove_files_with_extension(string const &);
+	///
+	void remove_file(string const &);
 private:
 	///
-	typedef map<string, pair<unsigned long, unsigned long> > DepList;
+	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;
+	};
+	///
+	typedef std::map<string, dep_info> DepList;
 	///
 	DepList deplist;
 };
 
 #endif
+