Add STLport 5.1.4

[polintos/scott/priv.git] / lib / c++ / stlport / codecvt.cpp

diff --git a/lib/c++/stlport/codecvt.cpp b/lib/c++/stlport/codecvt.cpp
new file mode 100644 (file)
index 0000000..977d82c
--- /dev/null
+++ b/lib/c++/stlport/codecvt.cpp
@@ -0,0 +1,147 @@
+/*
+ * 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"
+
+#ifndef _STLP_NO_MBSTATE_T
+
+#include <locale>
+#include <algorithm>
+
+_STLP_BEGIN_NAMESPACE
+
+//----------------------------------------------------------------------
+// codecvt<char, char, mbstate_t>
+
+codecvt<char, char, mbstate_t>::~codecvt() {}
+
+int codecvt<char, char, mbstate_t>::do_length(const mbstate_t&,
+                                              const  char* from,
+                                              const  char* end,
+                                              size_t mx) const
+{ return (int)(min) ( __STATIC_CAST(size_t, (end - from)), mx); }
+
+int codecvt<char, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
+{ return 1; }
+
+bool
+codecvt<char, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
+{ return true; }
+
+int
+codecvt<char, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
+{ return 1; }
+
+codecvt_base::result
+codecvt<char, char, mbstate_t>::do_unshift(mbstate_t& /* __state */,
+                                           char*      __to,
+                                           char*      /* __to_limit */,
+                                           char*&     __to_next) const
+{ __to_next = __to; return noconv; }
+
+codecvt_base::result
+codecvt<char, char, mbstate_t>::do_in (mbstate_t&   /* __state */ ,
+                                       const char*  __from,
+                                       const char*  /* __from_end */,
+                                       const char*& __from_next,
+                                       char*        __to,
+                                       char*        /* __to_end */,
+                                       char*&       __to_next) const
+{ __from_next = __from; __to_next   = __to; return noconv; }
+
+codecvt_base::result
+codecvt<char, char, mbstate_t>::do_out(mbstate_t&   /* __state */,
+                                       const char*  __from,
+                                       const char*  /* __from_end */,
+                                       const char*& __from_next,
+                                       char*        __to,
+                                       char*        /* __to_limit */,
+                                       char*&       __to_next) const
+{ __from_next = __from; __to_next   = __to; return noconv; }
+
+
+#if !defined (_STLP_NO_WCHAR_T)
+//----------------------------------------------------------------------
+// codecvt<wchar_t, char, mbstate_t>
+
+codecvt<wchar_t, char, mbstate_t>::~codecvt() {}
+
+
+codecvt<wchar_t, char, mbstate_t>::result
+codecvt<wchar_t, char, mbstate_t>::do_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 {
+  ptrdiff_t len = (min) (from_end - from, to_limit - to);
+  copy(from, from + len, to);
+  from_next = from + len;
+  to_next   = to   + len;
+  return ok;
+}
+
+codecvt<wchar_t, char, mbstate_t>::result
+codecvt<wchar_t, char, mbstate_t>::do_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 {
+  ptrdiff_t len = (min) (from_end - from, to_limit - to);
+  copy(__REINTERPRET_CAST(const unsigned char*, from),
+       __REINTERPRET_CAST(const unsigned char*, from) + len, to);
+  from_next = from + len;
+  to_next   = to   + len;
+  return ok;
+}
+
+codecvt<wchar_t, char, mbstate_t>::result
+codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type&   /* state */,
+                                              extern_type*  to,
+                                              extern_type*  ,
+                                              extern_type*& to_next) const {
+  to_next = to;
+  return noconv;
+}
+
+int codecvt<wchar_t, char, mbstate_t>::do_encoding() const _STLP_NOTHROW
+{ return 1; }
+
+bool codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW
+{ return true; }
+
+int codecvt<wchar_t, char, mbstate_t>::do_length(const  state_type&,
+                                                 const  extern_type* from,
+                                                 const  extern_type* end,
+                                                 size_t mx) const
+{ return (int)(min) ((size_t) (end - from), mx); }
+
+int codecvt<wchar_t, char, mbstate_t>::do_max_length() const _STLP_NOTHROW
+{ return 1; }
+#endif /* wchar_t */
+
+_STLP_END_NAMESPACE
+
+#endif /* _STLP_NO_MBSTATE_T */
+
+// Local Variables:
+// mode:C++
+// End:
+