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1 // Copyright (c) 2006, Google Inc.
2 // All rights reserved.
3 //
4 // Redistribution and use in source and binary forms, with or without
5 // modification, are permitted provided that the following conditions are
6 // met:
7 //
8 //     * Redistributions of source code must retain the above copyright
9 // notice, this list of conditions and the following disclaimer.
10 //     * Redistributions in binary form must reproduce the above
11 // copyright notice, this list of conditions and the following disclaimer
12 // in the documentation and/or other materials provided with the
13 // distribution.
14 //     * Neither the name of Google Inc. nor the names of its
15 // contributors may be used to endorse or promote products derived from
16 // this software without specific prior written permission.
17 //
18 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 
30 // string_conversion.h: Conversion between different UTF-8/16/32 encodings.
31 
32 #ifndef COMMON_STRING_CONVERSION_H__
33 #define COMMON_STRING_CONVERSION_H__
34 
35 #include <string>
36 #include <vector>
37 
38 #include "common/using_std_string.h"
39 #include "google_breakpad/common/breakpad_types.h"
40 
41 namespace google_breakpad {
42 
43 using std::vector;
44 
45 // Convert |in| to UTF-16 into |out|.  Use platform byte ordering.  If the
46 // conversion failed, |out| will be zero length.
47 void UTF8ToUTF16(const char *in, vector<uint16_t> *out);
48 
49 // Convert at least one character (up to a maximum of |in_length|) from |in|
50 // to UTF-16 into |out|.  Return the number of characters consumed from |in|.
51 // Any unused characters in |out| will be initialized to 0.  No memory will
52 // be allocated by this routine.
53 int UTF8ToUTF16Char(const char *in, int in_length, uint16_t out[2]);
54 
55 // Convert |in| to UTF-16 into |out|.  Use platform byte ordering.  If the
56 // conversion failed, |out| will be zero length.
57 void UTF32ToUTF16(const wchar_t *in, vector<uint16_t> *out);
58 
59 // Convert |in| to UTF-16 into |out|.  Any unused characters in |out| will be
60 // initialized to 0.  No memory will be allocated by this routine.
61 void UTF32ToUTF16Char(wchar_t in, uint16_t out[2]);
62 
63 // Convert |in| to UTF-8.  If |swap| is true, swap bytes before converting.
64 string UTF16ToUTF8(const vector<uint16_t> &in, bool swap);
65 
66 }  // namespace google_breakpad
67 
68 #endif  // COMMON_STRING_CONVERSION_H__
69