moved winix directories to winixdsubdirectory
git-svn-id: svn://ttmath.org/publicrep/winix/trunk@1028 e52654a7-88a9-db11-a3e9-0013d4bc506e
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winixd/templates/locale.h
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264
winixd/templates/locale.h
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/*
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* This file is a part of Winix
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* and is distributed under the 2-Clause 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) 2010-2014, 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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* 1. 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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* 2. 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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* 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 HOLDER 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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef headerfile_winix_templates_locale
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#define headerfile_winix_templates_locale
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#include <vector>
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#include <string>
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#include "space/spaceparser.h"
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#include "textstream/textstream.h"
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namespace Winix
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{
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class Locale
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{
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public:
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Locale();
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// locale files
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// those files will be reading from directories specified in Read() method
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// default one item: en
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void SetLocaleFiles(const std::vector<std::wstring> & files);
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// preparing locale_indices table
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// if you change this values you should reload all locale files
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void SetLocaleMaxId(size_t max_id);
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// setting/getting current language
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// default: 0
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void SetCurLang(size_t lang_id);
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size_t GetCurLang() const;
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// which language is used instead of if there is no a key in an other language
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// default: 0
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void SetDefLang(size_t lang_id);
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size_t GetDefLang() const;
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// reading locales
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// you should call SetLocaleFiles() beforehand
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void Read(const char * dir, const char * dir_def = 0);
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void Read(const std::string & dir, const std::string & dir_def);
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void Read(const wchar_t * dir, const wchar_t * dir_def = 0);
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void Read(const std::wstring & dir, const std::wstring & dir_def);
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// returns true if a language with lang_id exists
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bool HasLanguage(size_t lang_id);
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// checking whether there is a 'key' in the current language
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// or in the default language if try_default_too is true
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bool IsKey(const wchar_t * key, bool try_default_too = true);
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bool IsKey(const std::wstring & key, bool try_default_too = true) const;
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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bool IsKey(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & key,
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bool try_default_too = true);
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// checking whether there is a 'key' in the lang_id language
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// or in the default language if try_default_too is true
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bool IsKey(const wchar_t * key, size_t lang_id, bool try_default_too = true);
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bool IsKey(const std::wstring & key, size_t lang_id, bool try_default_too = true) const;
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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bool IsKey(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & key,
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size_t lang_id, bool try_default_too = true);
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// returning a value for a specific key
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const std::wstring & Get(const wchar_t * key, bool try_default_too = true);
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const std::wstring & Get(const wchar_t * key, size_t lang_id, bool try_default_too = true);
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const std::wstring & Get(const std::wstring & key, bool try_default_too = true) const;
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const std::wstring & Get(const std::wstring & key, size_t lang_id, bool try_default_too = true) const;
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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const std::wstring & Get(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & key,
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bool try_default_too = true);
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// lists
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// current limitation:
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// we are looking only in 'space.table' so lists with only one item are not found
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// (SplitSingle(true) was called to the space struct)
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bool IsList(const wchar_t * key, bool try_default_too = true);
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bool IsList(const std::wstring & key, bool try_default_too = true) const;
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bool IsList(const wchar_t * key, size_t lang_id, bool try_default_too = true);
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bool IsList(const std::wstring & key, size_t lang_id, bool try_default_too = true) const;
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const std::vector<std::wstring> & GetList(const wchar_t * key, bool try_default_too = true);
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const std::vector<std::wstring> & GetList(const std::wstring & key, bool try_default_too = true) const;
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const std::vector<std::wstring> & GetList(const wchar_t * key, size_t lang_id, bool try_default_too = true);
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const std::vector<std::wstring> & GetList(const std::wstring & key, size_t lang_id, bool try_default_too = true) const;
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// converting lang_id to an internal index
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// returns an index from <0, Size()-1> or size_t(-1) if lang_id is incorrect
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// it does it in O(1) time
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size_t IdToIndex(size_t lang_id);
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// returning how many locale files (languages) there are
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// this is how many files were correctly parsed
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// this is size of locale_tab table
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size_t Size() const;
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// accessing by an internal index
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// internal index is from zero to Size()-1
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bool IsKeyByIndex(const wchar_t * key, size_t index, bool try_default_too = true);
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bool IsKeyByIndex(const std::wstring & key, size_t index, bool try_default_too = true) const;
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const std::wstring & GetByIndex(const wchar_t * key, size_t index, bool try_default_too = true);
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const std::wstring & GetByIndex(const std::wstring & key, size_t index, bool try_default_too = true) const;
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// lists by an internal index
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// current limitation:
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// we are looking only in 'space.table' so lists with only one item are not found
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// (SplitSingle(true) was called to the space struct)
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bool IsListByIndex(const wchar_t * key, size_t index, bool try_default_too = true);
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bool IsListByIndex(const std::wstring & key, size_t index, bool try_default_too = true) const;
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const std::vector<std::wstring> & GetListByIndex(const wchar_t * key, size_t index,
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bool try_default_too = true);
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const std::vector<std::wstring> & GetListByIndex(const std::wstring & key, size_t index,
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bool try_default_too = true) const;
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// url substitution characters
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wchar_t UrlSubst(wchar_t c);
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void UrlSubst(std::wstring & str);
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// changing to small/capital letters
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wchar_t ToSmall(wchar_t c);
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void ToSmall(std::wstring & str);
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wchar_t ToCapital(wchar_t c);
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void ToCapital(std::wstring & str);
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// comparing two characters/strings
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// return a value less than zero if c1<c2, zero if c1==c2, value greater than 0 if c1>c2
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int Compare(wchar_t c1, wchar_t c2);
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int Compare(const std::wstring & str1, const std::wstring & str2);
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private:
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// struct to used for substitution
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struct SubstItem
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{
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wchar_t from, to;
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int index;
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SubstItem() { from = to = 0; index = 0; }
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bool operator<(const SubstItem & arg) const { return from < arg.from; }
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};
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void AddLocale(const char * file);
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void ReadFile(const char * dir, const char * dir_def, const char * file);
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bool ReadFile(const char * dir, const char * file);
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void ReadSubstTable(const char * dir, const char * dir_def);
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bool ReadSubstTable(const char * dir);
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void CreateSubstVector(std::vector<SubstItem> & vect, const std::wstring & tab1, const std::wstring & tab2);
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void CreateSubstSortVector(std::vector<SubstItem> & vect, std::vector<std::wstring> & tab);
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size_t SubstFindIndex(const std::vector<SubstItem> & vect, wchar_t val);
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wchar_t SubstFind(const std::vector<SubstItem> & vect, wchar_t val);
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const std::wstring * GetKeyInLanguage(const std::wstring & key, size_t lang_id) const;
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const std::vector<std::wstring> * GetListInLanguage(const std::wstring & key, size_t lang_id) const;
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// locale files
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std::vector<std::wstring> locale_files;
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// a map from <0, config->locale_max_id> returning an index to
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// locale_tab table (you should check whether the index is correct)
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// with this we have O(1) time to find the specified locale
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// and locale_tab doesn't have to be so large
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std::vector<size_t> locale_indices;
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// messages vector<via language>
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std::vector<PT::Space> locale_tab;
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// default locale index (index to locale_indexes)
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size_t default_lang;
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// current locale index (index to locale_indexes)
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size_t current_lang;
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// vectors of characters substitution (sort by 'from')
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std::vector<SubstItem> subst_url; // for url substitution
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std::vector<SubstItem> subst_smalllet; // changing from small to capital
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std::vector<SubstItem> subst_capitallet; // changing from capital to small
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std::vector<SubstItem> subst_sort; // local characters for comparison
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PT::Space temp_space;
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PT::SpaceParser loc_parser;
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std::string locale_filea;
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std::string file_name;
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std::wstring key_str;
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const std::wstring empty; // used when returning a non existing key from loc_tab (or in LangToFileName)
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const std::vector<std::wstring> empty_list; // the same as above
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std::string adir1, adir2;
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};
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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bool Locale::IsKey(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & key,
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bool try_default_too)
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{
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key.to_string(key_str);
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return IsKey(key_str, try_default_too);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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bool Locale::IsKey(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & key,
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size_t lang_id, bool try_default_too)
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{
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key.to_string(key_str);
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return IsKey(key_str, lang_id, try_default_too);
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}
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template<typename char_type, size_t stack_size, size_t heap_block_size>
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const std::wstring & Locale::Get(const PT::TextStreamBase<char_type, stack_size, heap_block_size> & key,
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bool try_default_too)
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{
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key.to_string(key_str);
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return Get(key_str, try_default_too);
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}
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} // namespace Winix
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#endif
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