1 /* 2 * Copyright (c) 1999 3 * Silicon Graphics Computer Systems, Inc. 4 * 5 * Copyright (c) 1999 6 * Boris Fomitchev 7 * 8 * This material is provided "as is", with absolutely no warranty expressed 9 * or implied. Any use is at your own risk. 10 * 11 * Permission to use or copy this software for any purpose is hereby granted 12 * without fee, provided the above notices are retained on all copies. 13 * Permission to modify the code and to distribute modified code is granted, 14 * provided the above notices are retained, and a notice that the code was 15 * modified is included with the above copyright notice. 16 * 17 */ 18 #include "stlport_prefix.h" 19 20 #include <locale> 21 #include <algorithm> 22 23 _STLP_BEGIN_NAMESPACE 24 25 //---------------------------------------------------------------------- 26 // codecvt<char, char, mbstate_t> 27 28 codecvt<char, char, mbstate_t>::~codecvt() {} 29 30 int codecvt<char, char, mbstate_t>::do_length(state_type&, 31 const char* from, 32 const char* end, 33 size_t mx) const 34 { return (int)(min) ( __STATIC_CAST(size_t, (end - from)), mx); } 35 36 int codecvt<char, char, mbstate_t>::do_max_length() const _STLP_NOTHROW 37 { return 1; } 38 39 bool 40 codecvt<char, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW 41 { return true; } 42 43 int 44 codecvt<char, char, mbstate_t>::do_encoding() const _STLP_NOTHROW 45 { return 1; } 46 47 codecvt_base::result 48 codecvt<char, char, mbstate_t>::do_unshift(state_type& /* __state */, 49 char* __to, 50 char* /* __to_limit */, 51 char*& __to_next) const 52 { __to_next = __to; return noconv; } 53 54 codecvt_base::result 55 codecvt<char, char, mbstate_t>::do_in (state_type& /* __state */ , 56 const char* __from, 57 const char* /* __from_end */, 58 const char*& __from_next, 59 char* __to, 60 char* /* __to_end */, 61 char*& __to_next) const 62 { __from_next = __from; __to_next = __to; return noconv; } 63 64 codecvt_base::result 65 codecvt<char, char, mbstate_t>::do_out(state_type& /* __state */, 66 const char* __from, 67 const char* /* __from_end */, 68 const char*& __from_next, 69 char* __to, 70 char* /* __to_limit */, 71 char*& __to_next) const 72 { __from_next = __from; __to_next = __to; return noconv; } 73 74 75 #if !defined (_STLP_NO_WCHAR_T) 76 //---------------------------------------------------------------------- 77 // codecvt<wchar_t, char, mbstate_t> 78 79 codecvt<wchar_t, char, mbstate_t>::~codecvt() {} 80 81 82 codecvt<wchar_t, char, mbstate_t>::result 83 codecvt<wchar_t, char, mbstate_t>::do_out(state_type& /* state */, 84 const intern_type* from, 85 const intern_type* from_end, 86 const intern_type*& from_next, 87 extern_type* to, 88 extern_type* to_limit, 89 extern_type*& to_next) const { 90 ptrdiff_t len = (min) (from_end - from, to_limit - to); 91 copy(from, from + len, to); 92 from_next = from + len; 93 to_next = to + len; 94 return ok; 95 } 96 97 codecvt<wchar_t, char, mbstate_t>::result 98 codecvt<wchar_t, char, mbstate_t>::do_in (state_type& /* state */, 99 const extern_type* from, 100 const extern_type* from_end, 101 const extern_type*& from_next, 102 intern_type* to, 103 intern_type* to_limit, 104 intern_type*& to_next) const { 105 ptrdiff_t len = (min) (from_end - from, to_limit - to); 106 copy(__REINTERPRET_CAST(const unsigned char*, from), 107 __REINTERPRET_CAST(const unsigned char*, from) + len, to); 108 from_next = from + len; 109 to_next = to + len; 110 return ok; 111 } 112 113 codecvt<wchar_t, char, mbstate_t>::result 114 codecvt<wchar_t, char, mbstate_t>::do_unshift(state_type& /* state */, 115 extern_type* to, 116 extern_type* , 117 extern_type*& to_next) const { 118 to_next = to; 119 return noconv; 120 } 121 122 int codecvt<wchar_t, char, mbstate_t>::do_encoding() const _STLP_NOTHROW 123 { return 1; } 124 125 bool codecvt<wchar_t, char, mbstate_t>::do_always_noconv() const _STLP_NOTHROW 126 { return true; } 127 128 int codecvt<wchar_t, char, mbstate_t>::do_length(state_type&, 129 const extern_type* from, 130 const extern_type* end, 131 size_t mx) const 132 { return (int)(min) ((size_t) (end - from), mx); } 133 134 int codecvt<wchar_t, char, mbstate_t>::do_max_length() const _STLP_NOTHROW 135 { return 1; } 136 #endif /* wchar_t */ 137 138 _STLP_END_NAMESPACE 139 140 // Local Variables: 141 // mode:C++ 142 // End: 143 144
