mirror of
https://github.com/classilla/tenfourfox.git
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447 lines
16 KiB
C++
447 lines
16 KiB
C++
/*
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* Copyright (c) 1999
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* Silicon Graphics Computer Systems, Inc.
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*
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* Copyright (c) 1999
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* Boris Fomitchev
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*
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* This material is provided "as is", with absolutely no warranty expressed
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* or implied. Any use is at your own risk.
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*
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* Permission to use or copy this software for any purpose is hereby granted
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* without fee, provided the above notices are retained on all copies.
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* Permission to modify the code and to distribute modified code is granted,
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* provided the above notices are retained, and a notice that the code was
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* modified is included with the above copyright notice.
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*
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*/
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#include "stlport_prefix.h"
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#include <locale>
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#include <stdexcept>
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#include "c_locale.h"
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#include "locale_impl.h"
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_STLP_BEGIN_NAMESPACE
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#define _NAMELESS "*"
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static const char _Nameless[] = _NAMELESS;
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static inline bool is_C_locale_name (const char* name)
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{ return ((name[0] == 'C') && (name[1] == 0)); }
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locale* _Stl_get_classic_locale();
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locale* _Stl_get_global_locale();
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#if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) || \
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defined (_STLP_SIGNAL_RUNTIME_COMPATIBILITY) || defined (_STLP_CHECK_RUNTIME_COMPATIBILITY)
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# define locale _STLP_NO_MEM_T_NAME(loc)
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#endif
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locale::facet::~facet() {}
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#if !defined (_STLP_MEMBER_TEMPLATES) || defined (_STLP_INLINE_MEMBER_TEMPLATES)
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// members that fail to be templates
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bool locale::operator()(const string& __x,
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const string& __y) const
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{ return __locale_do_operator_call(*this, __x, __y); }
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# if !defined (_STLP_NO_WCHAR_T)
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bool locale::operator()(const wstring& __x,
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const wstring& __y) const
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{ return __locale_do_operator_call(*this, __x, __y); }
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# endif
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#endif
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void _STLP_CALL locale::_M_throw_on_null_name()
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{ _STLP_THROW(runtime_error("Invalid null locale name")); }
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void _STLP_CALL locale::_M_throw_on_combine_error(const string& name) {
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string what = "Unable to find facet";
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what += " in ";
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what += name.empty() ? "system" : name.c_str();
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what += " locale";
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_STLP_THROW(runtime_error(what.c_str()));
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}
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void _STLP_CALL locale::_M_throw_on_creation_failure(int __err_code,
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const char* name, const char* facet) {
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string what;
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switch (__err_code) {
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case _STLP_LOC_UNSUPPORTED_FACET_CATEGORY:
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what = "No platform localization support for ";
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what += facet;
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what += " facet category, unable to create facet for ";
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what += name[0] == 0 ? "system" : name;
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what += " locale";
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break;
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case _STLP_LOC_NO_PLATFORM_SUPPORT:
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what = "No platform localization support, unable to create ";
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what += name[0] == 0 ? "system" : name;
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what += " locale";
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break;
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default:
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case _STLP_LOC_UNKNOWN_NAME:
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what = "Unable to create facet ";
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what += facet;
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what += " from name '";
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what += name;
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what += "'";
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break;
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case _STLP_LOC_NO_MEMORY:
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_STLP_THROW_BAD_ALLOC;
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break;
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}
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_STLP_THROW(runtime_error(what.c_str()));
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}
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// Takes a reference to a locale::id, assign a numeric index if not already
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// affected and returns it. The returned index is always positive.
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static const locale::id& _Stl_loc_get_index(locale::id& id) {
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if (id._M_index == 0) {
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#if defined (_STLP_ATOMIC_INCREMENT) && !defined (_STLP_WIN95_LIKE)
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static _STLP_VOLATILE __stl_atomic_t _S_index = __STATIC_CAST(__stl_atomic_t, locale::id::_S_max);
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id._M_index = _STLP_ATOMIC_INCREMENT(&_S_index);
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#else
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static _STLP_STATIC_MUTEX _Index_lock _STLP_MUTEX_INITIALIZER;
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_STLP_auto_lock sentry(_Index_lock);
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size_t new_index = locale::id::_S_max++;
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id._M_index = new_index;
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#endif
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}
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return id;
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}
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// Default constructor: create a copy of the global locale.
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locale::locale() _STLP_NOTHROW
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: _M_impl(_get_Locale_impl(_Stl_get_global_locale()->_M_impl))
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{}
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// Copy constructor
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locale::locale(const locale& L) _STLP_NOTHROW
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: _M_impl( _get_Locale_impl( L._M_impl ) )
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{}
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void locale::_M_insert(facet* f, locale::id& n) {
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if (f)
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_M_impl->insert(f, _Stl_loc_get_index(n));
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}
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locale::locale( _Locale_impl* impl ) :
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_M_impl( _get_Locale_impl( impl ) )
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{}
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// Create a locale from a name.
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locale::locale(const char* name)
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: _M_impl(0) {
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if (!name)
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_M_throw_on_null_name();
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if (is_C_locale_name(name)) {
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_M_impl = _get_Locale_impl( locale::classic()._M_impl );
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return;
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}
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_Locale_impl* impl = 0;
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_STLP_TRY {
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impl = new _Locale_impl(locale::id::_S_max, name);
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// Insert categories one at a time.
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_Locale_name_hint *hint = 0;
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const char* ctype_name = name;
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char ctype_buf[_Locale_MAX_SIMPLE_NAME];
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const char* numeric_name = name;
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char numeric_buf[_Locale_MAX_SIMPLE_NAME];
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const char* time_name = name;
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char time_buf[_Locale_MAX_SIMPLE_NAME];
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const char* collate_name = name;
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char collate_buf[_Locale_MAX_SIMPLE_NAME];
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const char* monetary_name = name;
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char monetary_buf[_Locale_MAX_SIMPLE_NAME];
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const char* messages_name = name;
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char messages_buf[_Locale_MAX_SIMPLE_NAME];
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hint = impl->insert_ctype_facets(ctype_name, ctype_buf, hint);
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hint = impl->insert_numeric_facets(numeric_name, numeric_buf, hint);
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hint = impl->insert_time_facets(time_name, time_buf, hint);
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hint = impl->insert_collate_facets(collate_name, collate_buf, hint);
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hint = impl->insert_monetary_facets(monetary_name, monetary_buf, hint);
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impl->insert_messages_facets(messages_name, messages_buf, hint);
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// Try to use a normalize locale name in order to have the == operator
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// to behave correctly:
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if (strcmp(ctype_name, numeric_name) == 0 &&
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strcmp(ctype_name, time_name) == 0 &&
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strcmp(ctype_name, collate_name) == 0 &&
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strcmp(ctype_name, monetary_name) == 0 &&
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strcmp(ctype_name, messages_name) == 0) {
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impl->name = ctype_name;
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}
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// else we keep current name.
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// reassign impl
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_M_impl = _get_Locale_impl( impl );
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}
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_STLP_UNWIND(delete impl);
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}
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static void _Stl_loc_combine_names_aux(_Locale_impl* L,
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const char* name,
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const char* ctype_name, const char* time_name, const char* numeric_name,
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const char* collate_name, const char* monetary_name, const char* messages_name,
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locale::category c) {
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// This function is only called when names has been validated so using _Locale_extract_*_name
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// can't fail.
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int __err_code;
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char buf[_Locale_MAX_SIMPLE_NAME];
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L->name = string("LC_CTYPE=") + _Locale_extract_ctype_name((c & locale::ctype) ? ctype_name : name, buf, 0, &__err_code) + ";";
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L->name += string("LC_TIME=") + _Locale_extract_time_name((c & locale::time) ? time_name : name, buf, 0, &__err_code) + ";";
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L->name += string("LC_NUMERIC=") + _Locale_extract_numeric_name((c & locale::numeric) ? numeric_name : name, buf, 0, &__err_code) + ";";
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L->name += string("LC_COLLATE=") + _Locale_extract_collate_name((c & locale::collate) ? collate_name : name, buf, 0, &__err_code) + ";";
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L->name += string("LC_MONETARY=") + _Locale_extract_monetary_name((c & locale::monetary) ? monetary_name : name, buf, 0, &__err_code) + ";";
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L->name += string("LC_MESSAGES=") + _Locale_extract_messages_name((c & locale::messages) ? messages_name : name, buf, 0, &__err_code);
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}
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// Give L a name where all facets except those in category c
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// are taken from name1, and those in category c are taken from name2.
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static void _Stl_loc_combine_names(_Locale_impl* L,
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const char* name1, const char* name2,
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locale::category c) {
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if ((c & locale::all) == 0 || strcmp(name1, name1) == 0)
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L->name = name1;
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else if ((c & locale::all) == locale::all)
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L->name = name2;
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else {
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_Stl_loc_combine_names_aux(L, name1, name2, name2, name2, name2, name2, name2, c);
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}
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}
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static void _Stl_loc_combine_names(_Locale_impl* L,
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const char* name,
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const char* ctype_name, const char* time_name, const char* numeric_name,
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const char* collate_name, const char* monetary_name, const char* messages_name,
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locale::category c) {
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if ((c & locale::all) == 0 || (strcmp(name, ctype_name) == 0 &&
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strcmp(name, time_name) == 0 &&
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strcmp(name, numeric_name) == 0 &&
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strcmp(name, collate_name) == 0 &&
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strcmp(name, monetary_name) == 0 &&
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strcmp(name, messages_name) == 0))
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L->name = name;
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else if ((c & locale::all) == locale::all && strcmp(ctype_name, time_name) == 0 &&
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strcmp(ctype_name, numeric_name) == 0 &&
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strcmp(ctype_name, collate_name) == 0 &&
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strcmp(ctype_name, monetary_name) == 0 &&
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strcmp(ctype_name, messages_name) == 0)
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L->name = ctype_name;
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else {
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_Stl_loc_combine_names_aux(L, name, ctype_name, time_name, numeric_name, collate_name, monetary_name, messages_name, c);
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}
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}
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// Create a locale that's a copy of L, except that all of the facets
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// in category c are instead constructed by name.
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locale::locale(const locale& L, const char* name, locale::category c)
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: _M_impl(0) {
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if (!name)
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_M_throw_on_null_name();
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if (!::strcmp(_Nameless, name))
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_STLP_THROW(runtime_error("Invalid locale name '" _NAMELESS "'"));
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_Locale_impl* impl = 0;
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_STLP_TRY {
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impl = new _Locale_impl(*L._M_impl);
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_Locale_name_hint *hint = 0;
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const char* ctype_name = name;
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char ctype_buf[_Locale_MAX_SIMPLE_NAME];
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const char* numeric_name = name;
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char numeric_buf[_Locale_MAX_SIMPLE_NAME];
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const char* time_name = name;
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char time_buf[_Locale_MAX_SIMPLE_NAME];
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const char* collate_name = name;
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char collate_buf[_Locale_MAX_SIMPLE_NAME];
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const char* monetary_name = name;
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char monetary_buf[_Locale_MAX_SIMPLE_NAME];
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const char* messages_name = name;
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char messages_buf[_Locale_MAX_SIMPLE_NAME];
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if (c & locale::ctype)
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hint = impl->insert_ctype_facets(ctype_name, ctype_buf, hint);
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if (c & locale::numeric)
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hint = impl->insert_numeric_facets(numeric_name, numeric_buf, hint);
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if (c & locale::time)
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hint = impl->insert_time_facets(time_name, time_buf, hint);
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if (c & locale::collate)
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hint = impl->insert_collate_facets(collate_name, collate_buf, hint);
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if (c & locale::monetary)
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hint = impl->insert_monetary_facets(monetary_name, monetary_buf,hint);
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if (c & locale::messages)
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impl->insert_messages_facets(messages_name, messages_buf, hint);
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_Stl_loc_combine_names(impl, L._M_impl->name.c_str(),
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ctype_name, time_name, numeric_name,
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collate_name, monetary_name, messages_name, c);
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_M_impl = _get_Locale_impl( impl );
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}
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_STLP_UNWIND(delete impl)
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}
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// Contruct a new locale where all facets that aren't in category c
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// come from L1, and all those that are in category c come from L2.
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locale::locale(const locale& L1, const locale& L2, category c)
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: _M_impl(0) {
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_Locale_impl* impl = new _Locale_impl(*L1._M_impl);
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_Locale_impl* i2 = L2._M_impl;
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if (L1.name() != _Nameless && L2.name() != _Nameless)
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_Stl_loc_combine_names(impl, L1._M_impl->name.c_str(), L2._M_impl->name.c_str(), c);
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else {
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impl->name = _Nameless;
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}
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if (c & collate) {
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impl->insert( i2, _STLP_STD::collate<char>::id);
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# ifndef _STLP_NO_WCHAR_T
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impl->insert( i2, _STLP_STD::collate<wchar_t>::id);
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# endif
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}
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if (c & ctype) {
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impl->insert( i2, _STLP_STD::ctype<char>::id);
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impl->insert( i2, _STLP_STD::codecvt<char, char, mbstate_t>::id);
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# ifndef _STLP_NO_WCHAR_T
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impl->insert( i2, _STLP_STD::ctype<wchar_t>::id);
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impl->insert( i2, _STLP_STD::codecvt<wchar_t, char, mbstate_t>::id);
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# endif
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}
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if (c & monetary) {
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impl->insert( i2, _STLP_STD::moneypunct<char, true>::id);
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impl->insert( i2, _STLP_STD::moneypunct<char, false>::id);
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impl->insert( i2, _STLP_STD::money_get<char, istreambuf_iterator<char, char_traits<char> > >::id);
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impl->insert( i2, _STLP_STD::money_put<char, ostreambuf_iterator<char, char_traits<char> > >::id);
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# ifndef _STLP_NO_WCHAR_T
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impl->insert( i2, _STLP_STD::moneypunct<wchar_t, true>::id);
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impl->insert( i2, _STLP_STD::moneypunct<wchar_t, false>::id);
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impl->insert( i2, _STLP_STD::money_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
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impl->insert( i2, _STLP_STD::money_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
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# endif
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}
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if (c & numeric) {
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impl->insert( i2, _STLP_STD::numpunct<char>::id);
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impl->insert( i2, _STLP_STD::num_get<char, istreambuf_iterator<char, char_traits<char> > >::id);
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impl->insert( i2, _STLP_STD::num_put<char, ostreambuf_iterator<char, char_traits<char> > >::id);
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# ifndef _STLP_NO_WCHAR_T
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impl->insert( i2, _STLP_STD::numpunct<wchar_t>::id);
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impl->insert( i2, _STLP_STD::num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
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impl->insert( i2, _STLP_STD::num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
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# endif
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}
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if (c & time) {
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impl->insert( i2, _STLP_STD::time_get<char, istreambuf_iterator<char, char_traits<char> > >::id);
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impl->insert( i2, _STLP_STD::time_put<char, ostreambuf_iterator<char, char_traits<char> > >::id);
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# ifndef _STLP_NO_WCHAR_T
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impl->insert( i2, _STLP_STD::time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
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impl->insert( i2, _STLP_STD::time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
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# endif
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}
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if (c & messages) {
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impl->insert( i2, _STLP_STD::messages<char>::id);
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# ifndef _STLP_NO_WCHAR_T
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impl->insert( i2, _STLP_STD::messages<wchar_t>::id);
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# endif
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}
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_M_impl = _get_Locale_impl( impl );
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}
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// Destructor.
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locale::~locale() _STLP_NOTHROW {
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if (_M_impl)
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_release_Locale_impl(_M_impl);
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}
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// Assignment operator. Much like the copy constructor: just a bit of
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// pointer twiddling.
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const locale& locale::operator=(const locale& L) _STLP_NOTHROW {
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if (this->_M_impl != L._M_impl) {
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if (this->_M_impl)
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_release_Locale_impl(this->_M_impl);
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this->_M_impl = _get_Locale_impl(L._M_impl);
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}
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return *this;
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}
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locale::facet* locale::_M_get_facet(const locale::id& n) const {
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return n._M_index < _M_impl->size() ? _M_impl->facets_vec[n._M_index] : 0;
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}
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locale::facet* locale::_M_use_facet(const locale::id& n) const {
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locale::facet* f = (n._M_index < _M_impl->size() ? _M_impl->facets_vec[n._M_index] : 0);
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if (!f)
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_M_impl->_M_throw_bad_cast();
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return f;
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}
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string locale::name() const {
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return _M_impl->name;
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}
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// Compare two locales for equality.
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bool locale::operator==(const locale& L) const {
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return this->_M_impl == L._M_impl ||
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(this->name() == L.name() && this->name() != _Nameless);
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}
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bool locale::operator!=(const locale& L) const {
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return !(*this == L);
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}
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// static data members.
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const locale& _STLP_CALL locale::classic() {
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return *_Stl_get_classic_locale();
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}
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#if !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
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locale _STLP_CALL locale::global(const locale& L) {
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#else
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_Locale_impl* _STLP_CALL locale::global(const locale& L) {
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#endif
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locale old(_Stl_get_global_locale()->_M_impl);
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if (_Stl_get_global_locale()->_M_impl != L._M_impl) {
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_release_Locale_impl(_Stl_get_global_locale()->_M_impl);
|
|
// this assign should be atomic, should be fixed here:
|
|
_Stl_get_global_locale()->_M_impl = _get_Locale_impl(L._M_impl);
|
|
|
|
// Set the global C locale, if appropriate.
|
|
#if !defined(_STLP_NO_LOCALE_SUPPORT)
|
|
if (L.name() != _Nameless)
|
|
setlocale(LC_ALL, L.name().c_str());
|
|
#endif
|
|
}
|
|
|
|
#if !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
|
|
return old;
|
|
#else
|
|
return old._M_impl;
|
|
#endif
|
|
}
|
|
|
|
#if !defined (_STLP_STATIC_CONST_INIT_BUG) && !defined (_STLP_NO_STATIC_CONST_DEFINITION)
|
|
const locale::category locale::none;
|
|
const locale::category locale::collate;
|
|
const locale::category locale::ctype;
|
|
const locale::category locale::monetary;
|
|
const locale::category locale::numeric;
|
|
const locale::category locale::time;
|
|
const locale::category locale::messages;
|
|
const locale::category locale::all;
|
|
#endif
|
|
|
|
_STLP_END_NAMESPACE
|
|
|