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/thirdparty/breakpad/common/mac/string_utilities.cc

http://github.com/tomahawk-player/tomahawk
C++ | 84 lines | 40 code | 16 blank | 28 comment | 8 complexity | a22bb8758ccca4249877cc0c0f480efa MD5 | raw file
 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#include "processor/scoped_ptr.h"
31#include "common/mac/string_utilities.h"
32
33namespace MacStringUtils {
34
35using google_breakpad::scoped_array;
36
37std::string ConvertToString(CFStringRef str) {
38  CFIndex length = CFStringGetLength(str);
39  std::string result;
40
41  if (!length)
42    return result;
43
44  CFIndex maxUTF8Length =
45    CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
46  scoped_array<UInt8> buffer(new UInt8[maxUTF8Length + 1]);
47  CFIndex actualUTF8Length;
48  CFStringGetBytes(str, CFRangeMake(0, length), kCFStringEncodingUTF8, 0,
49                   false, buffer.get(), maxUTF8Length, &actualUTF8Length);
50  buffer[actualUTF8Length] = 0;
51  result.assign((const char *)buffer.get());
52
53  return result;
54}
55
56unsigned int IntegerValueAtIndex(string &str, unsigned int idx) {
57  string digits("0123456789"), temp;
58  size_t start = 0;
59  size_t end;
60  size_t found = 0;
61  unsigned int result = 0;
62
63  for (; found <= idx; ++found) {
64    end = str.find_first_not_of(digits, start);
65
66    if (end == string::npos)
67      end = str.size();
68
69    temp = str.substr(start, end - start);
70
71    if (found == idx) {
72      result = atoi(temp.c_str());
73    }
74
75    start = str.find_first_of(digits, end + 1);
76
77    if (start == string::npos)
78      break;
79  }
80
81  return result;
82}
83
84}  // namespace MacStringUtils