842 lines
16 KiB
C++
842 lines
16 KiB
C++
/*
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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) 2010-2021, 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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#include <algorithm>
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#include "locale.h"
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#include "core/log.h"
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#include "core/misc.h"
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#include "utf8/utf8.h"
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namespace Winix
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{
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Locale::Locale()
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{
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default_lang = 0;
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current_lang = 0;
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}
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void Locale::SetLocaleFiles(const std::vector<std::wstring> & files)
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{
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locale_files = files;
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}
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void Locale::SetLocaleMaxId(size_t max_id)
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{
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if( max_id > 1000 )
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{
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max_id = 1000;
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log << log1 << "Locale: locale_max_id is too big (changed to 1000)" << logend;
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}
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size_t old_size = locale_indices.size();
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locale_indices.resize(max_id + 1);
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for(size_t i=old_size ; i<locale_indices.size() ; ++i)
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locale_indices[i] = size_t(-1);
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}
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bool Locale::HasLanguage(size_t lang_id)
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{
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if( lang_id < locale_indices.size() )
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return locale_indices[lang_id] < locale_tab.size();
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return false;
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}
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void Locale::ReadFile(const char * dir, const char * dir_def, const char * file)
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{
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bool read = false;
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temp_space.clear();
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if( dir_def && ReadFile(dir_def, file) )
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read = true;
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if( dir && ReadFile(dir, file) )
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read = true;
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if( read )
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AddLocale(file);
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else
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log << log1 << "Locale: can't open locale's file: " << file << logend;
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}
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bool Locale::ReadFile(const char * dir, const char * file)
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{
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bool read = false;
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file_name = dir;
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file_name += '/';
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file_name += file;
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loc_parser.SetSpace(temp_space);
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pt::SpaceParser::Status status = loc_parser.ParseSpaceFile(file_name);
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if( status == pt::SpaceParser::ok )
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{
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read = true;
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log << log3 << "Locale: read locale from: " << file_name << logend;
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}
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else
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if( status == pt::SpaceParser::syntax_error )
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{
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log << log1 << "Locale: syntax error in: " << file_name << " in line: " << loc_parser.get_last_parsed_line() << logend;
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}
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return read;
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}
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void Locale::AddLocale(const char * file)
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{
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std::wstring * id_str = temp_space.get_wstr(L"winix_locale_id");
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if( !id_str )
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{
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log << log1 << "Locale: winix_locale_id field should be defined in locale file: "
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<< file << " (skipping)" << logend;
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return;
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}
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size_t id = (size_t)Tol(*id_str);
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if( id >= locale_indices.size() )
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{
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log << log1 << "Locale: locale identifier is greater than locale_max_id (skipping)" << logend;
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return;
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}
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locale_tab.push_back(temp_space);
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locale_indices[id] = locale_tab.size() - 1;
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}
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void Locale::ReadSubstTable(const char * dir, const char * dir_def)
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{
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bool read = false;
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temp_space.clear();
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subst_url.clear();
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subst_smalllet.clear();
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subst_capitallet.clear();
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subst_sort.clear();
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if( dir_def && ReadSubstTable(dir_def) )
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read = true;
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if( dir && ReadSubstTable(dir) )
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read = true;
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if( !read )
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log << log1 << "Locale: can't open file for characters substitution" << logend;
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}
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bool Locale::ReadSubstTable(const char * dir)
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{
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bool read = false;
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file_name = dir;
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file_name += '/';
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file_name += "substitute";
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loc_parser.SetSpace(temp_space);
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if( loc_parser.ParseSpaceFile(file_name) == pt::SpaceParser::ok )
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{
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read = true;
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CreateSubstVector(subst_url, temp_space.to_wstr(L"url_original"), temp_space.to_wstr(L"url_changeto"));
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CreateSubstVector(subst_smalllet, temp_space.to_wstr(L"smallleters"), temp_space.to_wstr(L"capitalics"));
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CreateSubstVector(subst_capitallet, temp_space.to_wstr(L"capitalics"), temp_space.to_wstr(L"smallleters"));
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std::vector<std::wstring> sort_vec;
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if( temp_space.to_list(L"sort", sort_vec) )
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CreateSubstSortVector(subst_sort, sort_vec);
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log << log3 << "Locale: read characters substitution tables from: " << file_name << logend;
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}
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return read;
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}
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void Locale::CreateSubstVector(std::vector<SubstItem> & vect, const std::wstring & tab1, const std::wstring & tab2)
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{
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size_t i, min_size = (tab1.size() < tab2.size()) ? tab1.size() : tab2.size();
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SubstItem s;
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vect.clear();
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if( min_size == 0 )
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return;
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vect.reserve(min_size);
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for(i=0 ; i<min_size ; ++i)
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{
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s.from = tab1[i];
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s.to = tab2[i];
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vect.push_back(s);
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}
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std::sort(vect.begin(), vect.end());
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}
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void Locale::CreateSubstSortVector(std::vector<SubstItem> & vect, std::vector<std::wstring> & tab)
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{
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SubstItem s;
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vect.clear();
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if( tab.empty() )
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return;
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vect.reserve(tab.size());
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for(size_t i=0 ; i<tab.size() ; ++i)
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{
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if( tab[i].size() >= 3 )
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{
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s.from = tab[i][0];
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s.to = tab[i][1];
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s.index = Toi(&tab[i][2]);
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vect.push_back(s);
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}
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}
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std::sort(vect.begin(), vect.end());
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}
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void Locale::Read(const char * dir, const char * dir_def)
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{
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locale_tab.clear();
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for(size_t i=0 ; i<locale_indices.size() ; ++i)
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locale_indices[i] = size_t(-1);
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for(size_t i=0 ; i<locale_files.size() ; ++i)
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{
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pt::wide_to_utf8(locale_files[i], locale_filea);
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ReadFile(dir, dir_def, locale_filea.c_str());
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}
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ReadSubstTable(dir, dir_def);
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}
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void Locale::Read(const std::string & dir, const std::string & dir_def)
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{
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if( dir_def.empty() )
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Read(dir.c_str());
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else
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Read(dir.c_str(), dir_def.c_str());
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}
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void Locale::Read(const wchar_t * dir, const wchar_t * dir_def)
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{
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pt::wide_to_utf8(dir, adir1);
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if( !dir_def )
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{
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Read(adir1.c_str());
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}
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else
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{
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pt::wide_to_utf8(dir_def, adir2);
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Read(adir1.c_str(), adir2.c_str());
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}
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}
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void Locale::Read(const std::wstring & dir, const std::wstring & dir_def)
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{
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if( dir_def.empty() )
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Read(dir.c_str());
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else
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Read(dir.c_str(), dir_def.c_str());
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}
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void Locale::SetCurLang(size_t lang_id)
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{
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current_lang = lang_id;
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}
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size_t Locale::GetCurLang() const
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{
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return current_lang;
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}
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void Locale::SetDefLang(size_t lang_id)
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{
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default_lang = lang_id;
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}
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size_t Locale::GetDefLang() const
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{
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return default_lang;
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}
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bool Locale::IsKey(const wchar_t * key, bool try_default_too)
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{
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key_str = key;
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return IsKey(key_str, try_default_too);
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}
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bool Locale::IsKey(const std::wstring & key, bool try_default_too) const
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{
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return IsKey(key, current_lang, try_default_too);
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}
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bool Locale::IsKey(const wchar_t * key, size_t lang_id, bool try_default_too)
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{
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key_str = key;
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return IsKey(key_str, lang_id, try_default_too);
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}
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const std::wstring * Locale::GetKeyInLanguage(const std::wstring & key, size_t lang_id) const
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{
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if( lang_id < locale_indices.size() )
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{
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size_t index = locale_indices[lang_id];
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if( index < locale_tab.size() )
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return locale_tab[index].get_wstr(key.c_str());
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}
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return 0;
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}
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bool Locale::IsKey(const std::wstring & key, size_t lang_id, bool try_default_too) const
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{
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if( GetKeyInLanguage(key, lang_id) != 0 )
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return true;
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if( !try_default_too || lang_id == default_lang )
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return false;
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return GetKeyInLanguage(key, default_lang) != 0;
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}
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const std::wstring & Locale::Get(const wchar_t * key, bool try_default_too)
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{
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key_str = key;
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return Get(key_str, try_default_too);
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}
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const std::wstring & Locale::Get(const std::wstring & key, bool try_default_too) const
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{
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return Get(key, current_lang, try_default_too);
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}
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const std::wstring & Locale::Get(const wchar_t * key, size_t lang_id, bool try_default_too)
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{
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key_str = key;
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return Get(key_str, lang_id, try_default_too);
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}
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const std::wstring & Locale::Get(const std::wstring & key, size_t lang_id, bool try_default_too) const
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{
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const std::wstring * value = GetKeyInLanguage(key, lang_id);
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if( value )
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return *value;
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if( !try_default_too || lang_id == default_lang )
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return empty;
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value = GetKeyInLanguage(key, default_lang);
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if( value )
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return *value;
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return empty;
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}
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bool Locale::GetList(const wchar_t * key, std::vector<std::wstring> & list, bool try_default_too)
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{
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key_str = key;
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return GetList(key_str, list, try_default_too);
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}
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bool Locale::GetList(const std::wstring & key, std::vector<std::wstring> & list, bool try_default_too) const
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{
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return GetList(key, current_lang, list, try_default_too);
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}
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bool Locale::GetList(const wchar_t * key, size_t lang_id, std::vector<std::wstring> & list, bool try_default_too)
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{
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key_str = key;
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return GetList(key_str, lang_id, list, try_default_too);
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}
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bool Locale::GetListInLanguage(const std::wstring & key, size_t lang_id, std::vector<std::wstring> & list) const
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{
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if( lang_id < locale_indices.size() )
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{
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size_t index = locale_indices[lang_id];
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if( index < locale_tab.size() )
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{
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return locale_tab[index].to_list(key, list);
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}
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}
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return false;
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}
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bool Locale::GetList(const std::wstring & key, size_t lang_id, std::vector<std::wstring> & list, bool try_default_too) const
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{
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if( GetListInLanguage(key, lang_id, list) )
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return true;
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if( !try_default_too || lang_id == default_lang )
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return false;
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if( GetListInLanguage(key, default_lang, list) )
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return true;
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return false;
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}
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size_t Locale::IdToIndex(size_t lang_id)
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{
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if( lang_id < locale_indices.size() )
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return locale_indices[lang_id]; // here can be size(-1) as well
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return size_t(-1);
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}
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size_t Locale::Size() const
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{
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return locale_tab.size();
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}
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bool Locale::IsKeyByIndex(const wchar_t * key, size_t index, bool try_default_too)
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{
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key_str = key;
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return IsKeyByIndex(key_str, index, try_default_too);
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}
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bool Locale::IsKeyByIndex(const std::wstring & key, size_t index, bool try_default_too) const
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{
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if( index < locale_tab.size() )
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{
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if( locale_tab[index].get_object_field(key) != 0 )
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return true;
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}
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if( try_default_too )
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{
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if( GetKeyInLanguage(key, default_lang) != 0 )
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return true;
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}
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return false;
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}
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const std::wstring & Locale::GetByIndex(const wchar_t * key, size_t index, bool try_default_too)
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{
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key_str = key;
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return GetByIndex(key_str, index, try_default_too);
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}
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const std::wstring & Locale::GetByIndex(const std::wstring & key, size_t index,
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bool try_default_too) const
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{
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if( index < locale_tab.size() )
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{
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const std::wstring * value = locale_tab[index].get_wstr(key.c_str());
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if( value )
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return *value;
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}
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if( try_default_too )
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{
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const std::wstring * value = GetKeyInLanguage(key, default_lang);
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if( value )
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return *value;
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}
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return empty;
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}
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bool Locale::IsListByIndex(const wchar_t * key, size_t index, bool try_default_too)
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{
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key_str = key;
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return IsListByIndex(key_str, index, try_default_too);
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}
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bool Locale::IsListByIndex(const std::wstring & key, size_t index, bool try_default_too) const
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{
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if( index < locale_tab.size() )
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{
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if( locale_tab[index].has_key(key) )
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return true;
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}
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if( try_default_too )
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return IsListInLanguage(key, default_lang);
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return false;
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}
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bool Locale::IsListInLanguage(const std::wstring & key, size_t lang_id) const
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{
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if( lang_id < locale_indices.size() )
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{
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size_t index = locale_indices[lang_id];
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if( index < locale_tab.size() )
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{
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if( locale_tab[index].has_key(key) )
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return true;
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|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
bool Locale::GetListByIndex(const wchar_t * key, size_t index, std::vector<std::wstring> & list, bool try_default_too)
|
|
{
|
|
key_str = key;
|
|
return GetListByIndex(key_str, index, list, try_default_too);
|
|
}
|
|
|
|
|
|
bool Locale::GetListByIndex(const std::wstring & key, size_t index, std::vector<std::wstring> & list, bool try_default_too) const
|
|
{
|
|
if( index < locale_tab.size() )
|
|
{
|
|
return locale_tab[index].to_list(key, list);
|
|
}
|
|
|
|
if( try_default_too )
|
|
{
|
|
return GetListInLanguage(key, default_lang, list);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
/*
|
|
binary search in vect
|
|
vect should be sorted by 'from'
|
|
|
|
if the 'val' is found in vect[].from then its index is returned (index to vect table)
|
|
else vect.size() is returned
|
|
*/
|
|
size_t Locale::SubstFindIndex(const std::vector<SubstItem> & vect, wchar_t val)
|
|
{
|
|
if( vect.empty() )
|
|
return vect.size();
|
|
|
|
size_t o1 = 0;
|
|
size_t o2 = vect.size() - 1;
|
|
|
|
if( val < vect[o1].from )
|
|
return vect.size();
|
|
|
|
if( val == vect[o1].from )
|
|
return o1;
|
|
|
|
if( val > vect[o2].from )
|
|
return vect.size();
|
|
|
|
if( val == vect[o2].from )
|
|
return o2;
|
|
|
|
while( o1 + 1 < o2 )
|
|
{
|
|
size_t o = (o1 + o2) / 2;
|
|
|
|
if( val == vect[o].from )
|
|
return o;
|
|
|
|
if( val < vect[o].from )
|
|
o2 = o;
|
|
else
|
|
o1 = o;
|
|
}
|
|
|
|
return vect.size();
|
|
}
|
|
|
|
|
|
/*
|
|
binary search in vect
|
|
vect should be sorted by 'from'
|
|
|
|
if the 'val' is found in vect[].from then vect[].to is returned
|
|
else 'val' is returned
|
|
*/
|
|
wchar_t Locale::SubstFind(const std::vector<SubstItem> & vect, wchar_t val)
|
|
{
|
|
size_t i = SubstFindIndex(vect, val);
|
|
|
|
if( i == vect.size() )
|
|
{
|
|
return val;
|
|
}
|
|
else
|
|
{
|
|
return vect[i].to;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
wchar_t Locale::UrlSubst(wchar_t c)
|
|
{
|
|
return SubstFind(subst_url, c);
|
|
}
|
|
|
|
|
|
void Locale::UrlSubst(std::wstring & str)
|
|
{
|
|
for(size_t i=0 ; i<str.size() ; ++i)
|
|
str[i] = UrlSubst(str[i]);
|
|
}
|
|
|
|
|
|
|
|
wchar_t Locale::ToSmall(wchar_t c)
|
|
{
|
|
if( c>='A' && c<='Z' )
|
|
return c - 'A' + 'a';
|
|
|
|
return SubstFind(subst_capitallet, c);
|
|
}
|
|
|
|
|
|
void Locale::ToSmall(std::wstring & str)
|
|
{
|
|
for(size_t i=0 ; i<str.size() ; ++i)
|
|
str[i] = ToSmall(str[i]);
|
|
}
|
|
|
|
|
|
wchar_t Locale::ToCapital(wchar_t c)
|
|
{
|
|
if( c>='a' && c<='z' )
|
|
return c - 'a' + 'A';
|
|
|
|
return SubstFind(subst_smalllet, c);
|
|
}
|
|
|
|
|
|
void Locale::ToCapital(std::wstring & str)
|
|
{
|
|
for(size_t i=0 ; i<str.size() ; ++i)
|
|
str[i] = ToCapital(str[i]);
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
comparing lexicographically two characters
|
|
|
|
return value:
|
|
less than 0 if c1 is 'less' than c2
|
|
zero if they are equal
|
|
greater than 0 if c1 is 'greater' than c2
|
|
|
|
capital letters are treated equaly as small ones
|
|
but they will appear first (before the small ones)
|
|
*/
|
|
int Locale::Compare(wchar_t c1, wchar_t c2)
|
|
{
|
|
SubstItem s1, s2;
|
|
|
|
s1.from = c1;
|
|
s1.to = c1;
|
|
s1.index = 0;
|
|
|
|
s2.from = c2;
|
|
s2.to = c2;
|
|
s2.index = 0;
|
|
|
|
if( !((c1>='a' && c1<='z') || (c1>='A' && c1<='Z')) )
|
|
{
|
|
size_t i1 = SubstFindIndex(subst_sort, c1);
|
|
|
|
if( i1 < subst_sort.size() )
|
|
{
|
|
s1.to = subst_sort[i1].to;
|
|
s1.index = subst_sort[i1].index;
|
|
}
|
|
}
|
|
|
|
if( !((c2>='a' && c2<='z') || (c2>='A' && c2<='Z')) )
|
|
{
|
|
size_t i2 = SubstFindIndex(subst_sort, c2);
|
|
|
|
if( i2 < subst_sort.size() )
|
|
{
|
|
s2.to = subst_sort[i2].to;
|
|
s2.index = subst_sort[i2].index;
|
|
}
|
|
}
|
|
|
|
wchar_t small1 = ToSmall(s1.to);
|
|
wchar_t small2 = ToSmall(s2.to);
|
|
|
|
if( small1 == small2 )
|
|
{
|
|
if( s1.index != s2.index )
|
|
return s1.index - s2.index;
|
|
|
|
// this will sort capital letters at the end (after small ones)
|
|
return s1.to - s2.to;
|
|
}
|
|
|
|
return small1 - small2;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
comparing lexicographically two strings
|
|
|
|
return value:
|
|
less than 0 if str1 is 'less' than str2
|
|
zero if they are equal
|
|
greater than 0 if str1 is 'greater' than str2
|
|
*/
|
|
int Locale::Compare(const std::wstring & str1, const std::wstring & str2)
|
|
{
|
|
size_t i1 = 0;
|
|
size_t i2 = 0;
|
|
|
|
for( ; i1 < str1.size() && i2 < str2.size() ; ++i1, ++i2)
|
|
{
|
|
int res = Compare(str1[i1], str2[i2]);
|
|
|
|
if( res != 0 )
|
|
return res;
|
|
}
|
|
|
|
if( str1.size() < str2.size() )
|
|
return -1;
|
|
|
|
if( str1.size() > str2.size() )
|
|
return 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
|
|
|
|
} // namespace Winix
|
|
|