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/*
* 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.
*
*/
#ifndef MESSAGE_FACETS_H
# define MESSAGE_FACETS_H
#include <string>
#include <stl/_messages_facets.h>
#include <stl/_ctype.h>
// #include <istream>
#include <typeinfo>
#include <hash_map>
#include "c_locale.h"
_STLP_BEGIN_NAMESPACE
// Forward declaration of an opaque type.
struct _Catalog_locale_map;
_Locale_messages* __acquire_messages(const char* name);
void __release_messages(_Locale_messages* cat);
// Class _Catalog_locale_map. The reason for this is that, internally,
// a message string is always a char*. We need a ctype facet to convert
// a string to and from wchar_t, and the user is permitted to provide such
// a facet when calling open().
struct _Catalog_locale_map
{
_Catalog_locale_map() : M(0) {}
~_Catalog_locale_map() { if (M) delete M; }
void insert(int key, const locale& L);
locale lookup(int key) const;
void erase(int key);
hash_map<int, locale, hash<int>, equal_to<int> >* M;
private: // Invalidate copy constructor and assignment
_Catalog_locale_map(const _Catalog_locale_map&);
void operator=(const _Catalog_locale_map&);
};
class _Messages {
public:
typedef messages_base::catalog catalog;
_Messages();
virtual catalog do_open(const string& __fn, const locale& __loc) const;
virtual string do_get(catalog __c, int __set, int __msgid,
const string& __dfault) const;
# ifndef _STLP_NO_WCHAR_T
virtual wstring do_get(catalog __c, int __set, int __msgid,
const wstring& __dfault) const;
# endif
virtual void do_close(catalog __c) const;
virtual ~_Messages();
bool _M_delete;
};
class _Messages_impl : public _Messages {
public:
_Messages_impl(bool);
_Messages_impl(bool, _Locale_messages*);
catalog do_open(const string& __fn, const locale& __loc) const;
string do_get(catalog __c, int __set, int __msgid,
const string& __dfault) const;
# ifndef _STLP_NO_WCHAR_T
wstring do_get(catalog __c, int __set, int __msgid,
const wstring& __dfault) const;
# endif
void do_close(catalog __c) const;
~_Messages_impl();
private:
_Locale_messages* _M_message_obj;
_Catalog_locale_map* _M_map;
};
_STLP_END_NAMESPACE
#endif
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