X-Git-Url: https://git.lyx.org/gitweb/?a=blobdiff_plain;f=src%2FDepTable.h;h=8198bec1440e768e61eaf99d497e0f7f5662a44a;hb=dad1fc66e44a4dad94eb1e9ffd5736bf8f59ae6d;hp=f23e66adb22440a7efd925c2e25ab3ccec29956c;hpb=0eccdd1c3613e5170deb77b22174dd0afde833e9;p=lyx.git

diff --git a/src/DepTable.h b/src/DepTable.h
index f23e66adb2..8198bec144 100644
--- a/src/DepTable.h
+++ b/src/DepTable.h
@@ -1,12 +1,14 @@
 // -*- 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
  *
  * ======================================================
  */
@@ -15,49 +17,53 @@
 #define DEP_TABLE_H
 
 #include "LString.h"
-#include <cstdio>
+#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(string 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(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) const;
+	/// return true if a file with extension ext has changed.
+	bool extchanged(string const & ext) const;
 	///
-	bool haschanged(string const &fil);
-private:
+	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 &);
 	///
-	DepTable(string const &f,
-		 bool upd,
-		 unsigned long one,
-		 unsigned long two);
+	void remove_file(string const &);
+private:
 	///
-	string 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