1 // -*- C++ -*-
2 // Module:  Log4CPLUS
3 // File:    tstring.h
4 // Created: 4/2003
5 // Author:  Tad E. Smith
6 //
7 //
8 // Copyright 2003-2013 Tad E. Smith
9 //
10 // Licensed under the Apache License, Version 2.0 (the "License");
11 // you may not use this file except in compliance with the License.
12 // You may obtain a copy of the License at
13 //
14 //     http://www.apache.org/licenses/LICENSE-2.0
15 //
16 // Unless required by applicable law or agreed to in writing, software
17 // distributed under the License is distributed on an "AS IS" BASIS,
18 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19 // See the License for the specific language governing permissions and
20 // limitations under the License.
21 
22 /** @file */
23 
24 #ifndef LOG4CPLUS_TSTRING_HEADER_
25 #define LOG4CPLUS_TSTRING_HEADER_
26 
27 #include <log4cplus/config.hxx>
28 
29 #if defined (LOG4CPLUS_HAVE_PRAGMA_ONCE)
30 #pragma once
31 #endif
32 
33 #include <string>
34 #include <log4cplus/tchar.h>
35 
36 namespace log4cplus
37 {
38 
39 typedef std::basic_string<tchar> tstring;
40 
41 
42 namespace helpers
43 {
44 
45 inline
46 std::string
tostring(char const * str)47 tostring (char const * str)
48 {
49     return std::string (str);
50 }
51 
52 inline
53 std::string
tostring(std::string const & str)54 tostring (std::string const & str)
55 {
56     return str;
57 }
58 
59 inline
60 std::string const &
tostring(std::string & str)61 tostring (std::string & str)
62 {
63     return str;
64 }
65 
66 #ifdef LOG4CPLUS_HAVE_RVALUE_REFS
67 inline
68 std::string
tostring(std::string && str)69 tostring (std::string && str)
70 {
71     return std::move (str);
72 }
73 
74 #endif
75 
76 
77 
78 inline
79 std::wstring
towstring(wchar_t const * str)80 towstring (wchar_t const * str)
81 {
82     return std::wstring (str);
83 }
84 
85 inline
86 std::wstring
towstring(std::wstring const & str)87 towstring (std::wstring const & str)
88 {
89     return str;
90 }
91 
92 inline
93 std::wstring const &
towstring(std::wstring & str)94 towstring (std::wstring & str)
95 {
96     return str;
97 }
98 
99 #ifdef LOG4CPLUS_HAVE_RVALUE_REFS
100 inline
101 std::wstring
towstring(std::wstring && str)102 towstring (std::wstring && str)
103 {
104     return std::move (str);
105 }
106 
107 #endif
108 
109 LOG4CPLUS_EXPORT std::string tostring(const std::wstring&);
110 LOG4CPLUS_EXPORT std::string tostring(wchar_t const *);
111 
112 LOG4CPLUS_EXPORT std::wstring towstring(const std::string&);
113 LOG4CPLUS_EXPORT std::wstring towstring(char const *);
114 
115 } // namespace helpers
116 
117 #ifdef UNICODE
118 
119 #define LOG4CPLUS_C_STR_TO_TSTRING(STRING) log4cplus::helpers::towstring(STRING)
120 #define LOG4CPLUS_STRING_TO_TSTRING(STRING) log4cplus::helpers::towstring(STRING)
121 #define LOG4CPLUS_TSTRING_TO_STRING(STRING) log4cplus::helpers::tostring(STRING)
122 
123 #else // UNICODE
124 
125 #define LOG4CPLUS_C_STR_TO_TSTRING(STRING) std::string(STRING)
126 #define LOG4CPLUS_STRING_TO_TSTRING(STRING) STRING
127 #define LOG4CPLUS_TSTRING_TO_STRING(STRING) STRING
128 
129 #endif // UNICODE
130 
131 } // namespace log4cplus
132 
133 
134 #endif // LOG4CPLUS_TSTRING_HEADER_
135