NS/releases/valve/source/stlport/src/locale.cpp
puzl f44f16d59a made a copy
git-svn-id: https://unknownworlds.svn.cloudforge.com/ns1@168 67975925-1194-0748-b3d5-c16f83f1a3a1
2005-06-08 18:52:38 +00:00

120 lines
3.2 KiB
C++

/*
* 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 <stl/_algobase.h>
#include "locale_nonclassic.h"
_STLP_BEGIN_NAMESPACE
_Locale::_Locale(const _Locale_impl& L)
: _Locale_impl(L), _Refcount_Base(1), facets_vec((void**)L.facets, (void**)L.facets+L.size())
{
for (size_t i = 1; i < L.size(); ++i) {
locale::facet* f = L.facets[i];
if (f && f->_M_delete)
f->_M_incr();
}
facets = (locale::facet**)&facets_vec[0];
_M_size = facets_vec.size();
}
_Locale::~_Locale() {
size_t sz = facets_vec.size();
for (size_t i = 1; i < sz ; ++i)
this->remove(i);
}
void _Locale::remove(size_t index) {
if (index > 0 && index < facets_vec.size()) {
locale::facet* old = (locale::facet*)facets_vec[index];
if (old && old->_M_delete) {
old->_M_decr();
if (old->_M_ref_count == 0)
delete old;
}
facets_vec[index] = 0;
}
}
locale::facet*
_Locale::insert(locale::facet* f, size_t index, bool do_incr) {
if (f != 0 && index != 0) {
if (index >= facets_vec.size()) {
facets_vec.insert(facets_vec.end(),
index - facets_vec.size() + 1, (void*) 0);
facets = (locale::facet**)&facets_vec[0];
_M_size = facets_vec.size();
}
if (do_incr)
f->_M_incr();
remove(index);
facets_vec[index] = (void*)f;
return f;
}
else
return 0;
}
void _Locale::insert(_Locale_impl* from, const locale::id& n) {
size_t index = n._M_index;
this->remove(index);
if (index > 0 && index < from->size())
this->insert(from->facets[index], index, true);
}
static _STLP_STATIC_MUTEX _Index_lock _STLP_MUTEX_INITIALIZER;
// Takes a reference to a locale::id, and returns its numeric index.
// If no numeric index has yet been assigned, assigns one. The return
// value is always positive.
static size_t _Stl_loc_get_index(locale::id& id)
{
if (id._M_index == 0) {
_STLP_auto_lock sentry(_Index_lock);
size_t new_index = locale::id::_S_max++;
id._M_index = new_index;
}
return id._M_index;
}
void locale::_M_insert(facet* f, locale::id& n)
{
if (f)
((_Locale*)_M_impl)->insert(f, _Stl_loc_get_index(n), false);
}
// Make a locale directly from a _Locale_impl object. If the second argument
// is true, we clone the _Locale_impl. If false, we just twiddle pointers.
locale::locale(_Locale_impl* impl, bool do_copy)
: _M_impl(0)
{
if (do_copy) {
_M_impl = new _Locale(*impl);
_M_impl->name = "*";
} else
_M_impl = _S_copy_impl(impl);
}
_STLP_END_NAMESPACE