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8283e978f8
git-svn-id: svn://svn.lyx.org/lyx/lyx-devel/trunk@3803 a592a061-630c-0410-9148-cb99ea01b6c8
74 lines
1.7 KiB
C++
74 lines
1.7 KiB
C++
// -*- C++ -*-
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/* This file is part of
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* ======================================================
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*
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* LyX, The Document Processor
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* Copyright 1995 Matthias Ettrich
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* Copyright 1995-2001 The LyX Team.
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*
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* This file is Copyright 1996-2001
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* Lars Gullik Bjønnes
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* Ben Stanley
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*
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* ======================================================
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*/
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#ifndef DEP_TABLE_H
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#define DEP_TABLE_H
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#include "LString.h"
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#include <map>
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#ifdef __GNUG__
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#pragma interface
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#endif
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///
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class DepTable {
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public:
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/** This one is a little bit harder since we need the absolute
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filename. Should we insert files with .sty .cls etc as
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extension? */
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void insert(string const & f,
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bool upd = false);
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///
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void update();
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///
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void write(string const & f) const;
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///
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void read(string const & f);
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/// returns true if any of the files has changed
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bool sumchange() const;
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/// return true if fil has changed.
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bool haschanged(string const & fil) const;
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/// return true if a file with extension ext has changed.
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bool extchanged(string const & ext) const;
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///
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bool exist(string const & fil) const;
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/// returns true if any files with ext exist
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bool ext_exist(string const & ext) const;
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///
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void remove_files_with_extension(string const &);
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///
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void remove_file(string const &);
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private:
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///
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struct dep_info {
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/// Previously calculated CRC value
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unsigned long crc_prev;
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/// Current CRC value - only re-computed if mtime has changed.
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unsigned long crc_cur;
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/// mtime from last time current CRC was calculated.
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long mtime_cur;
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///
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bool changed() const;
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};
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///
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typedef std::map<string, dep_info> DepList;
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///
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DepList deplist;
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};
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#endif
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