blob: 8df976b602f2348eab69d7793e424595cbf3f438 [file] [log] [blame]
/*
* Copyright (c) 1999
* Silicon Graphics Computer Systems, Inc.
*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
#include "stlport_prefix.h"
#include <locale>
#include <stdexcept>
#include "c_locale.h"
#include "locale_impl.h"
_STLP_BEGIN_NAMESPACE
static const string _Nameless("*");
static inline bool is_C_locale_name (const char* name)
{ return ((name[0] == 'C') && (name[1] == 0)); }
locale* _Stl_get_classic_locale();
locale* _Stl_get_global_locale();
#if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) || \
defined (_STLP_SIGNAL_RUNTIME_COMPATIBILITY) || defined (_STLP_CHECK_RUNTIME_COMPATIBILITY)
# define locale _STLP_NO_MEM_T_NAME(loc)
#endif
locale::facet::~facet() {}
#if !defined (_STLP_MEMBER_TEMPLATES) || defined (_STLP_INLINE_MEMBER_TEMPLATES)
// members that fail to be templates
bool locale::operator()(const string& __x,
const string& __y) const
{ return __locale_do_operator_call(*this, __x, __y); }
# if !defined (_STLP_NO_WCHAR_T)
bool locale::operator()(const wstring& __x,
const wstring& __y) const
{ return __locale_do_operator_call(*this, __x, __y); }
# endif
#endif
void _STLP_CALL locale::_M_throw_on_null_name()
{ _STLP_THROW(runtime_error("Invalid null locale name")); }
void _STLP_CALL locale::_M_throw_on_combine_error(const string& name) {
string what = "Unable to find facet";
what += " in ";
what += name.empty() ? "system" : name.c_str();
what += " locale";
_STLP_THROW(runtime_error(what.c_str()));
}
void _STLP_CALL locale::_M_throw_on_creation_failure(int __err_code,
const char* name, const char* facet) {
string what;
switch (__err_code) {
case _STLP_LOC_UNSUPPORTED_FACET_CATEGORY:
what = "No platform localization support for ";
what += facet;
what += " facet category, unable to create facet for ";
what += name[0] == 0 ? "system" : name;
what += " locale";
break;
case _STLP_LOC_NO_PLATFORM_SUPPORT:
what = "No platform localization support, unable to create ";
what += name[0] == 0 ? "system" : name;
what += " locale";
break;
default:
case _STLP_LOC_UNKNOWN_NAME:
what = "Unable to create facet ";
what += facet;
what += " from name '";
what += name;
what += "'";
break;
case _STLP_LOC_NO_MEMORY:
_STLP_THROW_BAD_ALLOC;
break;
}
_STLP_THROW(runtime_error(what.c_str()));
}
// Takes a reference to a locale::id, assign a numeric index if not already
// affected and returns it. The returned index is always positive.
static const locale::id& _Stl_loc_get_index(locale::id& id) {
if (id._M_index == 0) {
#if defined (_STLP_ATOMIC_INCREMENT) && !defined (_STLP_WIN95_LIKE)
static _STLP_VOLATILE __stl_atomic_t _S_index = __STATIC_CAST(__stl_atomic_t, locale::id::_S_max);
id._M_index = _STLP_ATOMIC_INCREMENT(&_S_index);
#else
static _STLP_STATIC_MUTEX _Index_lock _STLP_MUTEX_INITIALIZER;
_STLP_auto_lock sentry(_Index_lock);
size_t new_index = locale::id::_S_max++;
id._M_index = new_index;
#endif
}
return id;
}
// Default constructor: create a copy of the global locale.
locale::locale() _STLP_NOTHROW
: _M_impl(_get_Locale_impl(_Stl_get_global_locale()->_M_impl))
{}
// Copy constructor
locale::locale(const locale& L) _STLP_NOTHROW
: _M_impl( _get_Locale_impl( L._M_impl ) )
{}
void locale::_M_insert(facet* f, locale::id& n) {
if (f)
_M_impl->insert(f, _Stl_loc_get_index(n));
}
locale::locale( _Locale_impl* impl ) :
_M_impl( _get_Locale_impl( impl ) )
{}
// Create a locale from a name.
locale::locale(const char* name)
: _M_impl(0) {
if (!name)
_M_throw_on_null_name();
if (is_C_locale_name(name)) {
_M_impl = _get_Locale_impl( locale::classic()._M_impl );
return;
}
_Locale_impl* impl = 0;
_STLP_TRY {
impl = new _Locale_impl(locale::id::_S_max, name);
// Insert categories one at a time.
_Locale_name_hint *hint = 0;
const char* ctype_name = name;
char ctype_buf[_Locale_MAX_SIMPLE_NAME];
const char* numeric_name = name;
char numeric_buf[_Locale_MAX_SIMPLE_NAME];
const char* time_name = name;
char time_buf[_Locale_MAX_SIMPLE_NAME];
const char* collate_name = name;
char collate_buf[_Locale_MAX_SIMPLE_NAME];
const char* monetary_name = name;
char monetary_buf[_Locale_MAX_SIMPLE_NAME];
const char* messages_name = name;
char messages_buf[_Locale_MAX_SIMPLE_NAME];
hint = impl->insert_ctype_facets(ctype_name, ctype_buf, hint);
hint = impl->insert_numeric_facets(numeric_name, numeric_buf, hint);
hint = impl->insert_time_facets(time_name, time_buf, hint);
hint = impl->insert_collate_facets(collate_name, collate_buf, hint);
hint = impl->insert_monetary_facets(monetary_name, monetary_buf, hint);
impl->insert_messages_facets(messages_name, messages_buf, hint);
// Try to use a normalize locale name in order to have the == operator
// to behave correctly:
if (strcmp(ctype_name, numeric_name) == 0 &&
strcmp(ctype_name, time_name) == 0 &&
strcmp(ctype_name, collate_name) == 0 &&
strcmp(ctype_name, monetary_name) == 0 &&
strcmp(ctype_name, messages_name) == 0) {
impl->name = ctype_name;
}
// else we keep current name.
// reassign impl
_M_impl = _get_Locale_impl( impl );
}
_STLP_UNWIND(delete impl);
}
static void _Stl_loc_combine_names_aux(_Locale_impl* L,
const char* name,
const char* ctype_name, const char* time_name, const char* numeric_name,
const char* collate_name, const char* monetary_name, const char* messages_name,
locale::category c) {
// This function is only called when names has been validated so using _Locale_extract_*_name
// can't fail.
int __err_code;
char buf[_Locale_MAX_SIMPLE_NAME];
L->name = string("LC_CTYPE=") + _Locale_extract_ctype_name((c & locale::ctype) ? ctype_name : name, buf, 0, &__err_code) + ";";
L->name += string("LC_TIME=") + _Locale_extract_time_name((c & locale::time) ? time_name : name, buf, 0, &__err_code) + ";";
L->name += string("LC_NUMERIC=") + _Locale_extract_numeric_name((c & locale::numeric) ? numeric_name : name, buf, 0, &__err_code) + ";";
L->name += string("LC_COLLATE=") + _Locale_extract_collate_name((c & locale::collate) ? collate_name : name, buf, 0, &__err_code) + ";";
L->name += string("LC_MONETARY=") + _Locale_extract_monetary_name((c & locale::monetary) ? monetary_name : name, buf, 0, &__err_code) + ";";
L->name += string("LC_MESSAGES=") + _Locale_extract_messages_name((c & locale::messages) ? messages_name : name, buf, 0, &__err_code);
}
// Give L a name where all facets except those in category c
// are taken from name1, and those in category c are taken from name2.
static void _Stl_loc_combine_names(_Locale_impl* L,
const char* name1, const char* name2,
locale::category c) {
if ((c & locale::all) == 0 || strcmp(name1, name1) == 0)
L->name = name1;
else if ((c & locale::all) == locale::all)
L->name = name2;
else {
_Stl_loc_combine_names_aux(L, name1, name2, name2, name2, name2, name2, name2, c);
}
}
static void _Stl_loc_combine_names(_Locale_impl* L,
const char* name,
const char* ctype_name, const char* time_name, const char* numeric_name,
const char* collate_name, const char* monetary_name, const char* messages_name,
locale::category c) {
if ((c & locale::all) == 0 || (strcmp(name, ctype_name) == 0 &&
strcmp(name, time_name) == 0 &&
strcmp(name, numeric_name) == 0 &&
strcmp(name, collate_name) == 0 &&
strcmp(name, monetary_name) == 0 &&
strcmp(name, messages_name) == 0))
L->name = name;
else if ((c & locale::all) == locale::all && strcmp(ctype_name, time_name) == 0 &&
strcmp(ctype_name, numeric_name) == 0 &&
strcmp(ctype_name, collate_name) == 0 &&
strcmp(ctype_name, monetary_name) == 0 &&
strcmp(ctype_name, messages_name) == 0)
L->name = ctype_name;
else {
_Stl_loc_combine_names_aux(L, name, ctype_name, time_name, numeric_name, collate_name, monetary_name, messages_name, c);
}
}
// Create a locale that's a copy of L, except that all of the facets
// in category c are instead constructed by name.
locale::locale(const locale& L, const char* name, locale::category c)
: _M_impl(0) {
if (!name)
_M_throw_on_null_name();
if (_Nameless == name)
_STLP_THROW(runtime_error((string("Invalid locale name '") + _Nameless + "'").c_str()));
_Locale_impl* impl = 0;
_STLP_TRY {
impl = new _Locale_impl(*L._M_impl);
_Locale_name_hint *hint = 0;
const char* ctype_name = name;
char ctype_buf[_Locale_MAX_SIMPLE_NAME];
const char* numeric_name = name;
char numeric_buf[_Locale_MAX_SIMPLE_NAME];
const char* time_name = name;
char time_buf[_Locale_MAX_SIMPLE_NAME];
const char* collate_name = name;
char collate_buf[_Locale_MAX_SIMPLE_NAME];
const char* monetary_name = name;
char monetary_buf[_Locale_MAX_SIMPLE_NAME];
const char* messages_name = name;
char messages_buf[_Locale_MAX_SIMPLE_NAME];
if (c & locale::ctype)
hint = impl->insert_ctype_facets(ctype_name, ctype_buf, hint);
if (c & locale::numeric)
hint = impl->insert_numeric_facets(numeric_name, numeric_buf, hint);
if (c & locale::time)
hint = impl->insert_time_facets(time_name, time_buf, hint);
if (c & locale::collate)
hint = impl->insert_collate_facets(collate_name, collate_buf, hint);
if (c & locale::monetary)
hint = impl->insert_monetary_facets(monetary_name, monetary_buf,hint);
if (c & locale::messages)
impl->insert_messages_facets(messages_name, messages_buf, hint);
_Stl_loc_combine_names(impl, L._M_impl->name.c_str(),
ctype_name, time_name, numeric_name,
collate_name, monetary_name, messages_name, c);
_M_impl = _get_Locale_impl( impl );
}
_STLP_UNWIND(delete impl)
}
// Contruct a new locale where all facets that aren't in category c
// come from L1, and all those that are in category c come from L2.
locale::locale(const locale& L1, const locale& L2, category c)
: _M_impl(0) {
_Locale_impl* impl = new _Locale_impl(*L1._M_impl);
_Locale_impl* i2 = L2._M_impl;
if (L1.name() != _Nameless && L2.name() != _Nameless)
_Stl_loc_combine_names(impl, L1._M_impl->name.c_str(), L2._M_impl->name.c_str(), c);
else {
impl->name = _Nameless;
}
if (c & collate) {
impl->insert( i2, _STLP_STD::collate<char>::id);
# ifndef _STLP_NO_WCHAR_T
impl->insert( i2, _STLP_STD::collate<wchar_t>::id);
# endif
}
if (c & ctype) {
impl->insert( i2, _STLP_STD::ctype<char>::id);
impl->insert( i2, _STLP_STD::codecvt<char, char, mbstate_t>::id);
# ifndef _STLP_NO_WCHAR_T
impl->insert( i2, _STLP_STD::ctype<wchar_t>::id);
impl->insert( i2, _STLP_STD::codecvt<wchar_t, char, mbstate_t>::id);
# endif
}
if (c & monetary) {
impl->insert( i2, _STLP_STD::moneypunct<char, true>::id);
impl->insert( i2, _STLP_STD::moneypunct<char, false>::id);
impl->insert( i2, _STLP_STD::money_get<char, istreambuf_iterator<char, char_traits<char> > >::id);
impl->insert( i2, _STLP_STD::money_put<char, ostreambuf_iterator<char, char_traits<char> > >::id);
# ifndef _STLP_NO_WCHAR_T
impl->insert( i2, _STLP_STD::moneypunct<wchar_t, true>::id);
impl->insert( i2, _STLP_STD::moneypunct<wchar_t, false>::id);
impl->insert( i2, _STLP_STD::money_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
impl->insert( i2, _STLP_STD::money_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
# endif
}
if (c & numeric) {
impl->insert( i2, _STLP_STD::numpunct<char>::id);
impl->insert( i2, _STLP_STD::num_get<char, istreambuf_iterator<char, char_traits<char> > >::id);
impl->insert( i2, _STLP_STD::num_put<char, ostreambuf_iterator<char, char_traits<char> > >::id);
# ifndef _STLP_NO_WCHAR_T
impl->insert( i2, _STLP_STD::numpunct<wchar_t>::id);
impl->insert( i2, _STLP_STD::num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
impl->insert( i2, _STLP_STD::num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
# endif
}
if (c & time) {
impl->insert( i2, _STLP_STD::time_get<char, istreambuf_iterator<char, char_traits<char> > >::id);
impl->insert( i2, _STLP_STD::time_put<char, ostreambuf_iterator<char, char_traits<char> > >::id);
# ifndef _STLP_NO_WCHAR_T
impl->insert( i2, _STLP_STD::time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
impl->insert( i2, _STLP_STD::time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id);
# endif
}
if (c & messages) {
impl->insert( i2, _STLP_STD::messages<char>::id);
# ifndef _STLP_NO_WCHAR_T
impl->insert( i2, _STLP_STD::messages<wchar_t>::id);
# endif
}
_M_impl = _get_Locale_impl( impl );
}
// Destructor.
locale::~locale() _STLP_NOTHROW {
if (_M_impl)
_release_Locale_impl(_M_impl);
}
// Assignment operator. Much like the copy constructor: just a bit of
// pointer twiddling.
const locale& locale::operator=(const locale& L) _STLP_NOTHROW {
if (this->_M_impl != L._M_impl) {
if (this->_M_impl)
_release_Locale_impl(this->_M_impl);
this->_M_impl = _get_Locale_impl(L._M_impl);
}
return *this;
}
locale::facet* locale::_M_get_facet(const locale::id& n) const {
return n._M_index < _M_impl->size() ? _M_impl->facets_vec[n._M_index] : 0;
}
locale::facet* locale::_M_use_facet(const locale::id& n) const {
locale::facet* f = (n._M_index < _M_impl->size() ? _M_impl->facets_vec[n._M_index] : 0);
if (!f)
_M_impl->_M_throw_bad_cast();
return f;
}
string locale::name() const {
return _M_impl->name;
}
// Compare two locales for equality.
bool locale::operator==(const locale& L) const {
return this->_M_impl == L._M_impl ||
(this->name() == L.name() && this->name() != _Nameless);
}
bool locale::operator!=(const locale& L) const {
return !(*this == L);
}
// static data members.
const locale& _STLP_CALL locale::classic() {
return *_Stl_get_classic_locale();
}
#if !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND)
locale _STLP_CALL locale::global(const locale& L) {
#else
_Locale_impl* _STLP_CALL locale::global(const locale& L) {
#endif
locale old(_Stl_get_global_locale()->_M_impl);
if (_Stl_get_global_locale()->_M_impl != L._M_impl) {
_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