copied: parser.h -> patternparser.h
git-svn-id: svn://ttmath.org/publicrep/ezc/trunk@967 e52654a7-88a9-db11-a3e9-0013d4bc506e
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/*
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* This file is a part of EZC -- Easy templating in C++
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* and is distributed under the (new) BSD licence.
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* Author: Tomasz Sowa <t.sowa@ttmath.org>
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*/
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/*
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* Copyright (c) 2007-2014, Tomasz Sowa
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name Tomasz Sowa nor the names of contributors to this
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* project may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef headerfile_ezc_pattern
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#define headerfile_ezc_pattern
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#include <string>
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#include "item.h"
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#include "functions.h"
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#include "stringconv.h"
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#include "utf8/utf8.h"
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#ifdef EZC_USE_WINIX_LOGGER
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#include "core/log.h"
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#endif
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namespace Ezc
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{
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class Pattern
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{
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public:
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Pattern();
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/*!
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clearing only the tree
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*/
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void Clear();
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// first we're trying to read a file from directory dir
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// if there is no such a file there then we try read from dir2
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// (the second dir2 can be empty - it will not be used)
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void Directory(const char * dir, const char * dir2 = 0);
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void Directory(const std::string & dir);
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void Directory(const std::string & dir, const std::string & dir2);
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void Directory(const wchar_t * dir, const wchar_t * dir2 = 0);
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void Directory(const std::wstring & dir);
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void Directory(const std::wstring & dir, const std::wstring & dir2);
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void ParseFile(const char * file_name);
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void ParseFile(const std::string & file_name);
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void ParseFile(const wchar_t * file_name);
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void ParseFile(const std::wstring & file_name);
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void ParseString(const char * str);
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void ParseString(const std::string & str);
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void ParseString(const wchar_t * str);
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void ParseString(const std::wstring & str);
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void AllowInclude(bool allow);
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void DeleteWhiteTextItems(bool del);
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void SetIncludeMax(int include_max);
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// files and strings (only char* and std::string) are treated
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// as UTF-8
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void UTF8(bool utf8);
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void SetCommentary(const char * com_start, const char * com_stop);
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void SetCommentary(const std::string & com_start, const std::string & com_stop);
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void SetCommentary(const wchar_t * com_start, const wchar_t * com_stop);
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void SetCommentary(const std::wstring & com_start, const std::wstring & com_stop);
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void CreateMsg(std::wstring & out, const wchar_t * type, const wchar_t * arg = 0);
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static bool IsWhite(wchar_t c);
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Item item_root;
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template<class StreamType>
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void CacheFunctions(Functions<StreamType> & fun)
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{
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CacheFunctions(item_root, fun);
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}
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void ClearCache();
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private:
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// the main pointer to the parsed text
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const wchar_t * itext;
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// allowing include tag
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// default: true
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bool allow_include;
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// if true all text-items which have only white characters (with new lines as well)
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// will be deleted - useful in *.txt templates
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// this not actually delete the whole item but only the string
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// the item will be present with an empty string
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// default: false
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bool delete_white_text_items;
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// first we're trying to read a file from 'directory'
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// if there is no such a file there then we try read from 'directory2'
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// we read from these directories only if they are not empty
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std::wstring directory, directory2;
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bool input_as_utf8;
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int include_level, include_level_max;
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std::wstring commentary_start, commentary_stop;
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// temporary content for ParseString(const char*) method
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std::wstring string_content;
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// temporary object for a file name
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std::wstring file_name;
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// temporary object for a file name
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std::string afile_name;
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// temporary object for a EZC function's parameter
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std::wstring temp_param;
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// temporary object for a EZC function
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Item::Function temp_function;
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void ReadFile(const std::wstring & name, std::wstring & result);
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void ReadFile(const wchar_t * name, std::wstring & result);
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bool HasFileAtBeginning(const wchar_t * path, const wchar_t * file);
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bool IsFileCorrect(const wchar_t * name);
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bool ReadFileFromDir(const std::wstring & dir, const wchar_t * name, std::wstring & result);
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void ReadFile(std::ifstream & file, std::wstring & result);
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void ReadFileContent(std::ifstream & file, std::wstring & result);
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int ReadCharInText();
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void SkipWhite();
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void CheckWhiteAndDelete(std::wstring & s);
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bool IsNameChar(wchar_t c);
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bool IsDigit(wchar_t c);
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bool IsPositiveNumber(const std::wstring & str);
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bool ReadName(std::wstring & name);
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bool ReadString(std::wstring & str);
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bool ReadParams(Item::Function & function);
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bool ReadFunction(Item::Function & function);
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bool ReadFunctions(Item & item);
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void ReadDirectiveIf(Item & item);
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void ReadDirectiveIfno(Item & item);
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void ReadDirectiveIfany(Item & item);
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void ReadDirectiveIfone(Item & item);
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void ReadDirectiveIfanyno(Item & item);
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void ReadDirectiveIfoneno(Item & item);
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void ReadDirectiveIs(Item & item);
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void ReadDirectiveIsno(Item & item);
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void ReadDirectiveIfindex(Item & item);
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void ReadDirectiveFor(Item & item);
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void ReadDirectiveComment(Item & item);
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void ReadDirectiveInclude(Item & item);
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void ReadDirectiveDef(Item & item);
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void ReadDirectiveFilter(Item & item);
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void ReadDirectiveEzc(Item & item);
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void ReadDirectiveNormal(const std::wstring & name, Item & item);
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void CreateTreeReadItemDirectiveCheckEnding(Item & item);
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void CreateTreeReadItemDirective(Item & item);
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void CreateTreeReadItemText(Item & item);
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bool CreateTreeReadItem(Item & item);
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void CreateTreeReadIf(Item & item);
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void CreateTreeReadFor(Item & item);
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void CreateTree(Item & item);
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void CreateTreeReadInclude(Item & item);
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void CreateTreeReadIncludeSkipAllowFlag(Item & item);
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template<class StreamType>
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void CacheFunctions(Item & item, Functions<StreamType> & fun)
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{
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typename Functions<StreamType>::Function * ezc_fun;
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// one exception (if_index is putting its argument on the functions stack)
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if( item.type != Item::item_ifindex )
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{
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for(size_t f=0; f < item.functions.size() ; ++f)
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{
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if( fun.Find(item.functions[f].name, &ezc_fun) )
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{
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item.functions[f].fun_cache = ezc_fun;
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}
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else
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{
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item.functions[f].fun_cache = 0;
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#ifdef EZC_USE_WINIX_LOGGER
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Winix::log << Winix::log1 << "Ezc: unknown function: " << item.functions[f].name << Winix::logend;
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#endif
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}
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}
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}
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for(size_t i=0; i < item.item_tab.size() ; ++i)
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CacheFunctions(*item.item_tab[i], fun);
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}
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void ClearCache(Item & item);
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}; // class Pattern
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} // namespace Ezc
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#endif
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