/home/ntakagi/work/STLport-5.1.5/stlport/stl/_collate.h
Go to the documentation of this file.00001 /* 00002 * Copyright (c) 1999 00003 * Silicon Graphics Computer Systems, Inc. 00004 * 00005 * Copyright (c) 1999 00006 * Boris Fomitchev 00007 * 00008 * This material is provided "as is", with absolutely no warranty expressed 00009 * or implied. Any use is at your own risk. 00010 * 00011 * Permission to use or copy this software for any purpose is hereby granted 00012 * without fee, provided the above notices are retained on all copies. 00013 * Permission to modify the code and to distribute modified code is granted, 00014 * provided the above notices are retained, and a notice that the code was 00015 * modified is included with the above copyright notice. 00016 * 00017 */ 00018 // WARNING: This is an internal header file, included by other C++ 00019 // standard library headers. You should not attempt to use this header 00020 // file directly. 00021 00022 #ifndef _STLP_INTERNAL_COLLATE_H 00023 #define _STLP_INTERNAL_COLLATE_H 00024 00025 #ifndef _STLP_C_LOCALE_H 00026 # include <stl/c_locale.h> 00027 #endif 00028 00029 #ifndef _STLP_INTERNAL_LOCALE_H 00030 # include <stl/_locale.h> 00031 #endif 00032 00033 #ifndef _STLP_INTERNAL_STRING_H 00034 # include <stl/_string.h> 00035 #endif 00036 00037 _STLP_BEGIN_NAMESPACE 00038 00039 template <class _CharT> class collate {}; 00040 template <class _CharT> class collate_byname {}; 00041 00042 _STLP_TEMPLATE_NULL 00043 class _STLP_CLASS_DECLSPEC collate<char> : public locale::facet 00044 { 00045 friend class _Locale_impl; 00046 00047 public: 00048 typedef char char_type; 00049 typedef string string_type; 00050 00051 explicit collate(size_t __refs = 0) : locale::facet(__refs) {} 00052 00053 int compare(const char* __low1, const char* __high1, 00054 const char* __low2, const char* __high2) const { 00055 return do_compare( __low1, __high1, __low2, __high2); 00056 } 00057 00058 string_type transform(const char* __low, const char* __high) const { 00059 return do_transform(__low, __high); 00060 } 00061 00062 long hash(const char* __low, const char* __high) const 00063 { return do_hash(__low, __high); } 00064 00065 static _STLP_STATIC_MEMBER_DECLSPEC locale::id id; 00066 00067 protected: 00068 ~collate(); 00069 00070 virtual int do_compare(const char*, const char*, 00071 const char*, const char*) const; 00072 virtual string_type do_transform(const char*, const char*) const; 00073 virtual long do_hash(const char*, const char*) const; 00074 private: 00075 collate(const collate<char>&); 00076 collate<char>& operator =(const collate<char>&); 00077 }; 00078 00079 # ifndef _STLP_NO_WCHAR_T 00080 00081 _STLP_TEMPLATE_NULL 00082 class _STLP_CLASS_DECLSPEC collate<wchar_t> : public locale::facet 00083 { 00084 friend class _Locale_impl; 00085 00086 public: 00087 typedef wchar_t char_type; 00088 typedef wstring string_type; 00089 00090 explicit collate(size_t __refs = 0) : locale::facet(__refs) {} 00091 00092 int compare(const wchar_t* __low1, const wchar_t* __high1, 00093 const wchar_t* __low2, const wchar_t* __high2) const { 00094 return do_compare( __low1, __high1, __low2, __high2); 00095 } 00096 00097 string_type transform(const wchar_t* __low, const wchar_t* __high) const { 00098 return do_transform(__low, __high); 00099 } 00100 00101 long hash(const wchar_t* __low, const wchar_t* __high) const 00102 { return do_hash(__low, __high); } 00103 00104 static _STLP_STATIC_MEMBER_DECLSPEC locale::id id; 00105 00106 protected: 00107 ~collate(); 00108 00109 virtual int do_compare(const wchar_t*, const wchar_t*, 00110 const wchar_t*, const wchar_t*) const; 00111 virtual string_type do_transform(const wchar_t*, const wchar_t*) const; 00112 virtual long do_hash(const wchar_t* __low, const wchar_t* __high) const; 00113 private: 00114 collate(const collate<wchar_t>&); 00115 collate<wchar_t>& operator = (const collate<wchar_t>&); 00116 }; 00117 00118 # endif /* NO_WCHAR_T */ 00119 00120 _STLP_TEMPLATE_NULL 00121 class _STLP_CLASS_DECLSPEC collate_byname<char>: public collate<char> 00122 { 00123 public: 00124 explicit collate_byname(const char* __name, size_t __refs = 0, _Locale_name_hint* __hint = 0); 00125 00126 protected: 00127 ~collate_byname(); 00128 00129 virtual int do_compare(const char*, const char*, 00130 const char*, const char*) const; 00131 virtual string_type do_transform(const char*, const char*) const; 00132 00133 private: 00134 _Locale_collate* _M_collate; 00135 collate_byname(const collate_byname<char>&); 00136 collate_byname<char>& operator =(const collate_byname<char>&); 00137 friend _Locale_name_hint* _Locale_extract_hint(collate_byname<char>*); 00138 }; 00139 00140 # ifndef _STLP_NO_WCHAR_T 00141 00142 _STLP_TEMPLATE_NULL 00143 class _STLP_CLASS_DECLSPEC collate_byname<wchar_t>: public collate<wchar_t> 00144 { 00145 public: 00146 explicit collate_byname(const char * __name, size_t __refs = 0, _Locale_name_hint* __hint = 0); 00147 00148 protected: 00149 ~collate_byname(); 00150 00151 virtual int do_compare(const wchar_t*, const wchar_t*, 00152 const wchar_t*, const wchar_t*) const; 00153 virtual string_type do_transform(const wchar_t*, const wchar_t*) const; 00154 00155 private: 00156 _Locale_collate* _M_collate; 00157 collate_byname(const collate_byname<wchar_t>&); 00158 collate_byname<wchar_t>& operator =(const collate_byname<wchar_t>&); 00159 }; 00160 00161 # endif /* NO_WCHAR_T */ 00162 00163 template <class _CharT, class _Traits, class _Alloc> 00164 bool 00165 __locale_do_operator_call (const locale& __loc, 00166 const basic_string<_CharT, _Traits, _Alloc>& __x, 00167 const basic_string<_CharT, _Traits, _Alloc>& __y) { 00168 collate<_CharT> const& __coll = use_facet<collate<_CharT> >(__loc); 00169 return __coll.compare(__x.data(), __x.data() + __x.size(), 00170 __y.data(), __y.data() + __y.size()) < 0; 00171 } 00172 00173 _STLP_END_NAMESPACE 00174 00175 #endif /* _STLP_INTERNAL_COLLATE_H */ 00176 00177 // Local Variables: 00178 // mode:C++ 00179 // End:
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