Add STLport 5.1.4

[polintos/scott/priv.git] / lib / c++ / stlport / message_facets.h

diff --git a/lib/c++/stlport/message_facets.h b/lib/c++/stlport/message_facets.h
new file mode 100644 (file)
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--- /dev/null
+++ b/lib/c++/stlport/message_facets.h
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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 <locale>
+#include <typeinfo>
+#include <hash_map>
+
+#include "c_locale.h"
+#include "acquire_release.h"
+
+_STLP_BEGIN_NAMESPACE
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+// 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(nl_catd_type key, const locale& L);
+  locale lookup(nl_catd_type key) const;
+  void erase(nl_catd_type key);
+
+  typedef hash_map<nl_catd_type, locale, hash<nl_catd_type>, equal_to<nl_catd_type> > map_type;
+  map_type *M;
+
+private:                        // Invalidate copy constructor and assignment
+  _Catalog_locale_map(const _Catalog_locale_map&);
+  void operator=(const _Catalog_locale_map&);
+};
+
+/*
+ * In glibc nl_catd type is void *, but messages_base::catalog is defined as int
+ * by ISO/IEC 14882; The int may be too short to store pointer on 64-bit platforms;
+ * Another problem, is that do_open() may return negative value to indicate that no
+ * catalog open---this case can't be represented with pointers.
+ * The class _Catalog_nl_catd_map intended to make relation between
+ * messages_base::catalog and nl_catd handler.
+ *
+ */
+
+#if defined (_STLP_REAL_LOCALE_IMPLEMENTED) && (defined (_STLP_USE_GLIBC) && !defined (__CYGWIN__))
+#  define _STLP_USE_NL_CATD_MAPPING
+#else
+/* If no mapping a message_base::catalog entry, int typedef according C++ Standard 22.2.7.1,
+ * has to be large enough to contain a nl_catd_type value.
+ */
+_STLP_STATIC_ASSERT(sizeof(nl_catd_type) <= sizeof(int))
+#endif
+
+class _STLP_CLASS_DECLSPEC _Catalog_nl_catd_map {
+public:
+  _Catalog_nl_catd_map()
+  {}
+  ~_Catalog_nl_catd_map()
+  {}
+
+  typedef hash_map<messages_base::catalog, nl_catd_type, hash<messages_base::catalog>, equal_to<messages_base::catalog> > map_type;
+  typedef hash_map<nl_catd_type, messages_base::catalog, hash<nl_catd_type>, equal_to<nl_catd_type> > rmap_type;
+  // typedef map<messages_base::catalog,nl_catd_type> map_type;
+  // typedef map<nl_catd_type,messages_base::catalog> rmap_type;
+
+  messages_base::catalog insert(nl_catd_type cat)
+#if !defined (_STLP_USE_NL_CATD_MAPPING)
+  { return (messages_base::catalog)cat; }
+#else
+  ;
+#endif
+
+  void erase(messages_base::catalog)
+#if !defined (_STLP_USE_NL_CATD_MAPPING)
+  {}
+#else
+  ;
+#endif
+
+  nl_catd_type operator [] ( messages_base::catalog cat ) const
+#if !defined (_STLP_USE_NL_CATD_MAPPING)
+  { return cat; }
+#else
+  { return cat < 0 ? 0 : M[cat]; }
+#endif
+
+private:
+  _Catalog_nl_catd_map(const _Catalog_nl_catd_map&);
+  _Catalog_nl_catd_map& operator =(const _Catalog_nl_catd_map&);
+
+#if defined (_STLP_USE_NL_CATD_MAPPING)
+  mutable map_type M;
+  mutable rmap_type Mr;
+  static _STLP_VOLATILE __stl_atomic_t _count;
+#endif
+};
+
+class _STLP_CLASS_DECLSPEC _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;
+#if !defined (_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 _STLP_CLASS_DECLSPEC _Messages_impl : public _Messages {
+public:
+  _Messages_impl(bool, _Locale_name_hint* hint = 0);
+  _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;
+#if !defined (_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;
+  mutable _Catalog_nl_catd_map _M_cat;
+
+  //private definition to avoid warning (with ICL)
+  _Messages_impl(const _Messages_impl&);
+  _Messages_impl& operator=(const _Messages_impl&);
+};
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+_STLP_END_NAMESPACE
+
+#endif
+
+// Local Variables:
+// mode:C++
+// End: