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//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0. (See
// accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
//
#define BOOST_LOCALE_SOURCE
#include <boost/locale/localization_backend.hpp>
#include <boost/locale/gnu_gettext.hpp>
#include "all_generator.hpp"
#include "../util/locale_data.hpp"
#include "../util/gregorian.hpp"
#include <boost/locale/util.hpp>
#include <algorithm>
#include <iterator>
#if defined(BOOST_WINDOWS)
# ifndef NOMINMAX
# define NOMINMAX
# endif
# include <windows.h>
# include "../encoding/conv.hpp"
# include "../win32/lcid.hpp"
#endif
#include "std_backend.hpp"
namespace boost {
namespace locale {
namespace impl_std {
class std_localization_backend : public localization_backend {
public:
std_localization_backend() :
invalid_(true),
use_ansi_encoding_(false)
{
}
std_localization_backend(std_localization_backend const &other) :
localization_backend(),
paths_(other.paths_),
domains_(other.domains_),
locale_id_(other.locale_id_),
invalid_(true),
use_ansi_encoding_(other.use_ansi_encoding_)
{
}
virtual std_localization_backend *clone() const
{
return new std_localization_backend(*this);
}
void set_option(std::string const &name,std::string const &value)
{
invalid_ = true;
if(name=="locale")
locale_id_ = value;
else if(name=="message_path")
paths_.push_back(value);
else if(name=="message_application")
domains_.push_back(value);
else if(name=="use_ansi_encoding")
use_ansi_encoding_ = value == "true";
}
void clear_options()
{
invalid_ = true;
use_ansi_encoding_ = false;
locale_id_.clear();
paths_.clear();
domains_.clear();
}
void prepare_data()
{
if(!invalid_)
return;
invalid_ = false;
std::string lid=locale_id_;
if(lid.empty()) {
bool use_utf8 = ! use_ansi_encoding_;
lid = util::get_system_locale(use_utf8);
}
in_use_id_ = lid;
data_.parse(lid);
name_ = "C";
utf_mode_ = utf8_none;
#if defined(BOOST_WINDOWS)
std::pair<std::string,int> wl_inf = to_windows_name(lid);
std::string win_name = wl_inf.first;
int win_codepage = wl_inf.second;
#endif
if(!data_.utf8) {
if(loadable(lid)) {
name_ = lid;
utf_mode_ = utf8_none;
}
#if defined(BOOST_WINDOWS)
else if(loadable(win_name)
&& win_codepage == conv::impl::encoding_to_windows_codepage(data_.encoding.c_str()))
{
name_ = win_name;
utf_mode_ = utf8_none;
}
#endif
}
else {
if(loadable(lid)) {
name_ = lid;
utf_mode_ = utf8_native_with_wide;
}
#if defined(BOOST_WINDOWS)
else if(loadable(win_name)) {
name_ = win_name;
utf_mode_ = utf8_from_wide;
}
#endif
}
}
#if defined(BOOST_WINDOWS)
std::pair<std::string,int> to_windows_name(std::string const &l)
{
std::pair<std::string,int> res("C",0);
unsigned lcid = impl_win::locale_to_lcid(l);
char win_lang[256] = {0};
char win_country[256] = {0};
char win_codepage[10] = {0};
if(GetLocaleInfoA(lcid,LOCALE_SENGLANGUAGE,win_lang,sizeof(win_lang))==0)
return res;
std::string lc_name = win_lang;
if(GetLocaleInfoA(lcid,LOCALE_SENGCOUNTRY,win_country,sizeof(win_country))!=0) {
lc_name += "_";
lc_name += win_country;
}
res.first = lc_name;
if(GetLocaleInfoA(lcid,LOCALE_IDEFAULTANSICODEPAGE,win_codepage,sizeof(win_codepage))!=0)
res.second = atoi(win_codepage);
return res;
}
#endif
bool loadable(std::string name)
{
try {
std::locale l(name.c_str());
return true;
}
catch(std::exception const &/*e*/) {
return false;
}
}
virtual std::locale install(std::locale const &base,
locale_category_type category,
character_facet_type type = nochar_facet)
{
prepare_data();
switch(category) {
case convert_facet:
return create_convert(base,name_,type,utf_mode_);
case collation_facet:
return create_collate(base,name_,type,utf_mode_);
case formatting_facet:
return create_formatting(base,name_,type,utf_mode_);
case parsing_facet:
return create_parsing(base,name_,type,utf_mode_);
case codepage_facet:
return create_codecvt(base,name_,type,utf_mode_);
case calendar_facet:
return util::install_gregorian_calendar(base,data_.country);
case message_facet:
{
gnu_gettext::messages_info minf;
minf.language = data_.language;
minf.country = data_.country;
minf.variant = data_.variant;
minf.encoding = data_.encoding;
std::copy(domains_.begin(),domains_.end(),std::back_inserter<gnu_gettext::messages_info::domains_type>(minf.domains));
minf.paths = paths_;
switch(type) {
case char_facet:
return std::locale(base,gnu_gettext::create_messages_facet<char>(minf));
case wchar_t_facet:
return std::locale(base,gnu_gettext::create_messages_facet<wchar_t>(minf));
#ifdef BOOST_LOCALE_ENABLE_CHAR16_T
case char16_t_facet:
return std::locale(base,gnu_gettext::create_messages_facet<char16_t>(minf));
#endif
#ifdef BOOST_LOCALE_ENABLE_CHAR32_T
case char32_t_facet:
return std::locale(base,gnu_gettext::create_messages_facet<char32_t>(minf));
#endif
default:
return base;
}
}
case information_facet:
return util::create_info(base,in_use_id_);
default:
return base;
}
}
private:
std::vector<std::string> paths_;
std::vector<std::string> domains_;
std::string locale_id_;
util::locale_data data_;
std::string name_;
std::string in_use_id_;
utf8_support utf_mode_;
bool invalid_;
bool use_ansi_encoding_;
};
localization_backend *create_localization_backend()
{
return new std_localization_backend();
}
} // impl icu
} // locale
} // boost
// vim: tabstop=4 expandtab shiftwidth=4 softtabstop=4
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