first commit

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commit 0eb2d7c07d
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--- a/extern/stdcxx/4.2.1/include/loc/_codecvt.h
+++ b/extern/stdcxx/4.2.1/include/loc/_codecvt.h
@@ -0,0 +1,457 @@
+/***************************************************************************
+ *
+ * _codecvt.h - Definitions of the code conversion facets
+ *
+ * This is an internal header file used to implement the C++ Standard
+ * Library. It should never be #included directly by a program.
+ *
+ * $Id: _codecvt.h 597181 2007-11-21 18:59:19Z faridz $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2007 Rogue Wave Software, Inc.
+ * 
+ **************************************************************************/
+
+#ifndef _RWSTD_LOC_CODECVT_H_INCLUDED
+#define _RWSTD_LOC_CODECVT_H_INCLUDED
+
+
+#include <rw/_defs.h>
+#include <loc/_facet.h>
+#include <rw/_mbstate.h>   // for _RWSTD_MBSTATE_T
+
+
+_RWSTD_NAMESPACE (__rw) { 
+
+struct __rw_ctype_t;
+
+}   // namespace __rw
+
+_RWSTD_NAMESPACE (std) { 
+
+// 22.2.1.5 - Template class codecvt
+
+struct codecvt_base
+{
+    enum result { ok, partial, error, noconv };
+};
+
+
+_EXPORT
+template <class _InternT, class _ExternT, class _StateT>
+class codecvt;
+
+
+#ifndef _RWSTD_NO_EXT_CODECVT_PRIMARY
+
+_EXPORT
+template <class _InternT, class _ExternT, class _StateT>
+class codecvt: public _RW::__rw_facet,
+               public codecvt_base
+{
+public:
+    typedef _InternT intern_type;
+    typedef _ExternT extern_type;
+    typedef _StateT  state_type;
+
+protected:
+
+    // extension: where reasonable, the default behavior of the primary
+    // template is the same as that of codecvt<char, char, mbstate_t> if
+    // sizeof (intern_type) == sizeof (extern_type) to allow iostream
+    // instantiations on signed char or unsigned char to have somewhat
+    // meaningful behavior
+
+    virtual result
+    do_out (state_type&,
+            const intern_type*, const intern_type*, const intern_type*&,
+            extern_type*, extern_type*, extern_type*&) const {
+        return sizeof (intern_type) == sizeof (extern_type) ? noconv : error;
+    }
+
+    virtual result
+    do_in (state_type&,
+           const extern_type*, const extern_type*, const extern_type*&,
+           intern_type*, intern_type*, intern_type*&) const {
+        return sizeof (intern_type) == sizeof (extern_type) ? noconv : error;
+    }
+
+    virtual result
+    do_unshift (state_type&, extern_type*, extern_type*, extern_type*&) const {
+        return sizeof (intern_type) == sizeof (extern_type) ? noconv : error;
+    }
+
+    virtual int do_encoding () const _THROWS (()) {
+        return -1;   // unknown, possibly state dependent
+    }
+
+    virtual bool do_always_noconv () const _THROWS (()) {
+        return sizeof (intern_type) == sizeof (extern_type);
+    }
+
+    virtual int do_max_length () const _THROWS (()) {
+        return _RWSTD_INT_MAX;
+    }
+
+    virtual int
+    do_length (state_type&, 
+               const extern_type*, const extern_type*, _RWSTD_SIZE_T) const {
+        return _RWSTD_INT_MAX;
+    }
+
+public:
+
+    _EXPLICIT codecvt (_RWSTD_SIZE_T __ref = 0): _RW::__rw_facet (__ref) { }
+
+    // 22,2,1,5,1, p1
+    result out (state_type& __state,
+                const intern_type* __from, const intern_type* __from_end,
+                const intern_type*& __from_next,
+                extern_type* __to, extern_type* __to_limit,
+                extern_type*& __to_next) const {
+        return do_out(__state,__from,__from_end,__from_next,
+                      __to,__to_limit,__to_next);
+    }
+
+    // 22,2,1,5,1, p2
+    result unshift (state_type& __state, extern_type* __to,
+                    extern_type* __to_limit, extern_type*& __to_next) const {
+        return do_unshift (__state,__to,__to_limit,__to_next);
+    }
+
+    // 22,2,1,5,1, p3
+    result in (state_type& __state, const extern_type* __from,
+               const extern_type* __from_end, const extern_type*& __from_next,
+               intern_type* __to, intern_type* __to_limit,
+               intern_type*& __to_next) const {
+        return do_in (__state,__from,__from_end,__from_next,
+                      __to,__to_limit,__to_next);
+    }
+
+    // 22,2,1,5,1, p5
+    bool always_noconv () const _THROWS (()) {
+        return do_always_noconv();
+    }
+
+    // 22,2,1,5,1, p4
+    int encoding () const _THROWS (()) {
+        return do_encoding();
+    }
+
+    // 22,2,1,5,1, p6, lwg issue 75
+    int length (state_type& __state, const extern_type* __from,
+                const extern_type* __end, _RWSTD_SIZE_T __maxlen) const {
+        return do_length (__state, __from, __end, __maxlen);
+    }
+
+    // 22,2,1,5,1, p7
+    int max_length() const _THROWS (())  {
+        return do_max_length();
+    }
+
+    static _RW::__rw_facet_id id;
+
+};
+
+#endif   // _RWSTD_NO_EXT_CODECVT_PRIMARY
+
+
+// 22.2.1.5, p3 - performs no conversion
+
+_RWSTD_SPECIALIZED_CLASS
+class _RWSTD_EXPORT codecvt<char, char, _RWSTD_MBSTATE_T>
+    : public _RW::__rw_facet,
+      public codecvt_base
+{
+public:
+
+    typedef char             extern_type;   
+    typedef char             intern_type;
+    typedef _RWSTD_MBSTATE_T state_type;
+
+    _EXPLICIT codecvt (_RWSTD_SIZE_T = 0);
+
+    virtual ~codecvt ();
+
+    result out (state_type &__state,
+                const intern_type *__from, const intern_type* __from_end,
+                const intern_type *&__from_next,
+                extern_type* __to, extern_type* __to_limit,
+                extern_type *&__to_next) const {
+        return do_out (__state, __from, __from_end, __from_next,
+                       __to, __to_limit, __to_next);
+    }
+
+    result unshift (state_type &__state,
+                    extern_type *__to, extern_type *__to_limit,
+                    extern_type*& __to_next) const {
+        return do_unshift (__state, __to, __to_limit, __to_next);
+    }
+
+    result in (state_type &__state,
+               const extern_type *__from, const extern_type *__from_end,
+               const extern_type *&__from_next,
+               intern_type *__to, intern_type *__to_limit,
+               intern_type *&__to_next) const {
+        return do_in (__state, __from, __from_end, __from_next,
+                      __to, __to_limit, __to_next);
+    }
+
+    int encoding () const _THROWS (()) {
+        return do_encoding ();
+    }
+
+    bool always_noconv () const _THROWS (());
+
+    // signature follows lwg issue 75
+    int length (state_type &__state, const extern_type *__from,
+                const extern_type *__end, _RWSTD_SIZE_T __maxlen) const {
+        return do_length (__state, __from, __end, __maxlen);
+    }
+
+    int max_length () const _THROWS (()) {
+        return do_max_length ();
+    }
+
+    static _RW::__rw_facet_id id;
+
+protected:
+
+    virtual result
+    do_out (state_type&,
+            const intern_type*, const intern_type*, const intern_type*&,
+            extern_type*, extern_type*, extern_type*&) const;
+
+    virtual result
+    do_in (state_type&,
+           const extern_type*, const extern_type*, const extern_type*&,
+           intern_type*, intern_type*, intern_type*&) const;
+
+    // 22.2.1.5.2, p5 - stores no characters
+    virtual result
+    do_unshift (state_type&,
+                extern_type*, extern_type*, extern_type*&) const;
+
+    virtual int do_encoding () const _THROWS (());
+
+    virtual bool do_always_noconv () const _THROWS (());
+
+    // signature follows lwg issue 75
+    virtual int
+    do_length (state_type&,
+               const extern_type*, const extern_type*, _RWSTD_SIZE_T) const;
+
+    virtual int do_max_length () const _THROWS (());
+
+private:
+
+    int _C_always_noconv;   // cached value
+};
+
+
+inline bool
+codecvt<char, char, _RWSTD_MBSTATE_T>::
+always_noconv () const _THROWS (())
+{
+    // optimize away repeated calls to the virtual function
+    if (_C_always_noconv < 0) {
+
+        // typedef works around an HP aCC x.38 bug (PR #25832)
+        typedef codecvt<char, char, _RWSTD_MBSTATE_T> _CodeCvt;
+
+        _CodeCvt *__self = _RWSTD_CONST_CAST (_CodeCvt*, this);
+
+        __self->_C_always_noconv = do_always_noconv ();
+    }
+
+    return 1 == _C_always_noconv;
+}
+
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+// 22.2.1.5, p3 - converts between wide and narrow characters
+// of the native character set (i.e., widens and narrows)
+
+_RWSTD_SPECIALIZED_CLASS
+class _RWSTD_EXPORT codecvt<wchar_t, char, _RWSTD_MBSTATE_T>
+    : public _RW::__rw_facet,
+      public codecvt_base
+{
+public:
+
+    typedef wchar_t          intern_type;
+    typedef char             extern_type;
+    typedef _RWSTD_MBSTATE_T state_type;
+
+protected:
+
+    virtual result
+    do_out (state_type&, const intern_type*, const intern_type*,
+            const intern_type*&,
+            extern_type*, extern_type*, extern_type*&) const;
+
+    virtual result
+    do_in (state_type&,
+           const extern_type*, const extern_type*, const extern_type*&,
+           intern_type*, intern_type*, intern_type*&) const;
+
+    // 22.2.1.5.2, p5 - stores no characters
+    virtual result
+    do_unshift (state_type&, extern_type*, extern_type*, extern_type*&) const;
+
+    virtual bool do_always_noconv () const _THROWS (());
+
+    virtual int do_encoding () const _THROWS (());
+
+    // signature follows lwg issue 75
+    virtual int
+    do_length (state_type&,
+               const extern_type*, const extern_type*, _RWSTD_SIZE_T) const;
+
+    virtual int do_max_length () const _THROWS (());
+
+public:
+
+    _EXPLICIT codecvt (_RWSTD_SIZE_T = 0);
+
+    result out (state_type& __state,
+                const intern_type *__from, const intern_type *__from_end,
+                const intern_type *&__from_next,
+                extern_type *__to, extern_type* __to_limit,
+                extern_type *& __to_next) const {
+        return do_out (__state, __from, __from_end, __from_next, __to,
+                       __to_limit, __to_next);
+    }
+
+    result unshift (state_type &__state,
+                    extern_type *__to, extern_type *__to_limit,
+                    extern_type *&__to_next) const {
+        return do_unshift (__state, __to, __to_limit, __to_next);
+    }
+
+    result in (state_type& __state,
+               const extern_type *__from, const extern_type *__from_end,
+               const extern_type *&__from_next,
+               intern_type *__to, intern_type *__to_limit,
+               intern_type *&__to_next) const {
+        return do_in (__state, __from, __from_end, __from_next,
+                      __to, __to_limit, __to_next);
+    }
+
+    int encoding () const _THROWS (()) {
+        return do_encoding();
+    }
+
+    bool always_noconv () const _THROWS (()) {
+        return do_always_noconv ();
+    }
+
+    // signature follows lwg issue 75
+    int length (state_type &__state,
+                const extern_type *__from, const extern_type *__end,
+                _RWSTD_SIZE_T __maxlen) const {
+        return do_length (__state, __from, __end, __maxlen);
+    }
+
+    int max_length () const _THROWS (()) {
+        return do_max_length ();
+    }
+
+    static _RW::__rw_facet_id id;
+};
+
+
+#endif // _RWSTD_NO_WCHAR_T
+
+
+// 22.2.1.6
+template <class _InternT, class _ExternT, class _StateT>
+class codecvt_byname: public codecvt<_InternT, _ExternT, _StateT>
+{
+    char _C_namebuf [32];
+
+public:
+
+    typedef _InternT intern_type;
+    typedef _ExternT extern_type;
+    typedef _StateT  state_type; 
+
+    _EXPLICIT codecvt_byname (const char *__name, _RWSTD_SIZE_T __ref = 0)
+        : codecvt <_InternT, _ExternT, _StateT> (__ref) {
+        this->_C_set_name (__name, _C_namebuf, sizeof _C_namebuf);
+    }
+};
+
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+_RWSTD_SPECIALIZED_CLASS
+class _RWSTD_EXPORT codecvt_byname<wchar_t, char, _RWSTD_MBSTATE_T>
+    : public codecvt<wchar_t, char, _RWSTD_MBSTATE_T>
+{
+    char _C_namebuf [32];
+
+    unsigned _C_flags;
+
+public:
+
+    _EXPLICIT codecvt_byname (const char*, _RWSTD_SIZE_T = 0);
+
+protected:
+
+    virtual codecvt_base::result
+    do_out (state_type&,
+            const intern_type*, const intern_type*, const intern_type*&,
+            extern_type*, extern_type*, extern_type*&) const;
+
+    virtual codecvt_base::result
+    do_in (state_type&,
+           const extern_type*, const extern_type*, const extern_type*&,
+           intern_type*, intern_type*, intern_type*&) const;
+
+
+    virtual codecvt_base::result
+    do_unshift (state_type&,
+                extern_type*, extern_type*, extern_type*&) const;
+
+    virtual int do_encoding () const _THROWS (()); 
+
+    // signature follows lwg issue 75
+    virtual int
+    do_length (state_type&, const extern_type*, const extern_type*,
+               _RWSTD_SIZE_T) const;
+
+    virtual int do_max_length () const _THROWS (());
+};
+
+
+#endif   // _RWSTD_NO_WCHAR_T
+
+
+}   // namespace std
+
+
+#if _RWSTD_DEFINE_TEMPLATE (_CODECVT)
+#  include <loc/_codecvt.cc>
+#endif   // _RWSTD_DEFINE_TEMPLATE (_CODECVT)
+
+
+#endif   // _RWSTD_LOC_CODECVT_H_INCLUDED