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76 lines
1.7 KiB
C++
76 lines
1.7 KiB
C++
// -*- C++ -*-
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/**
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* \file DepTable.h
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* This file is part of LyX, the document processor.
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* Licence details can be found in the file COPYING.
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*
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* \author Lars Gullik Bjønnes
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* \author Jean-Marc Lasgouttes
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*
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* Full author contact details are available in file CREDITS.
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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 <ctime>
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#include <map>
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#include <string>
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namespace lyx {
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namespace support { class FileName; }
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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(support::FileName const & f, bool upd = false);
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///
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void update();
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///
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void write(support::FileName const & f) const;
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/// returns true if dep file was read successfully
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bool read(support::FileName 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(support::FileName const & fil) const;
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/// return true if a file with extension ext has changed.
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bool extchanged(std::string const & ext) const;
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///
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bool exist(support::FileName const & fil) const;
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/// returns true if any files with ext exist
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bool ext_exist(std::string const & ext) const;
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///
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void remove_files_with_extension(std::string const &);
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///
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void remove_file(support::FileName const &);
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private:
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///
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class dep_info {
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public:
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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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std::time_t 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<support::FileName, dep_info> DepList;
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///
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DepList deplist;
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};
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} // namespace lyx
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#endif
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