Tomasz Sowa
378cfc0c3d
files: core/plugin.h core/plugin.cpp core/pluginmsg.h
added: directory 'main' with main.cpp (moved from 'core' directory)
changed: the way of building
nearly everything is in cmslu.so
only main() is in cmslu and is dynamically linked with cmslu.so
git-svn-id: svn://ttmath.org/publicrep/cmslu/trunk@516 e52654a7-88a9-db11-a3e9-0013d4bc506e
79 lines
1.7 KiB
C++
Executable File
79 lines
1.7 KiB
C++
Executable File
/*
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* This file is a part of CMSLU -- Content Management System like Unix
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* and is not publicly distributed
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*
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* Copyright (c) 2008-2009, Tomasz Sowa
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* All rights reserved.
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*
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*/
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#ifndef headerfilecmslutemplatespatterncacher
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#define headerfilecmslutemplatespatterncacher
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#include <vector>
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#include <map>
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#include "../core/item.h"
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#include "ezc.h"
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class PatternCacher
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{
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struct PatternUsed
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{
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Ezc::Pattern pattern;
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int used; // how many times used (incremented by GetPattern and UpdatePattern)
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int item_id;
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};
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typedef std::map<long, PatternUsed> PatternTab;
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PatternTab pattern_tab;
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// temporarily struct used during deleting some items from pattern_tab
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struct PatternErase
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{
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PatternTab::iterator iter;
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int used;
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bool operator<(const PatternErase & p) const { return used < p.used; }
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};
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// temporarily buffer used during deleting some items from pattern_tab
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std::vector<PatternErase> erase_tab;
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void CreatePattern(const Item & item, Ezc::Pattern & pattern);
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void AddIndexes(const Item & item, size_t pattern_index);
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Ezc::Pattern * AddPattern(const Item & item);
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void CheckTableSize();
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// the size of pattern_tab when we are deleting some items
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size_t when_delete_patterns;
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// how many items to delete
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size_t how_many_delete;
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public:
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PatternCacher();
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// returning a pattern corresponding to the 'item'
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Ezc::Pattern * GetPattern(const Item & item);
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// updating the pattern for the item
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// if there is no such a pattern the method does nothing
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void UpdatePattern(const Item & item);
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// deleting the pattern for the item
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// if there is no such a pattern the method does nothing
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void DeletePattern(const Item & item);
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};
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#endif
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