/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. #include "processor/scoped_ptr.h"
  30. #include "common/mac/string_utilities.h"
  31. namespace MacStringUtils {
  32. using google_breakpad::scoped_array;
  33. std::string ConvertToString(CFStringRef str) {
  34. CFIndex length = CFStringGetLength(str);
  35. std::string result;
  36. if (!length)
  37. return result;
  38. CFIndex maxUTF8Length =
  39. CFStringGetMaximumSizeForEncoding(length, kCFStringEncodingUTF8);
  40. scoped_array<UInt8> buffer(new UInt8[maxUTF8Length + 1]);
  41. CFIndex actualUTF8Length;
  42. CFStringGetBytes(str, CFRangeMake(0, length), kCFStringEncodingUTF8, 0,
  43. false, buffer.get(), maxUTF8Length, &actualUTF8Length);
  44. buffer[actualUTF8Length] = 0;
  45. result.assign((const char *)buffer.get());
  46. return result;
  47. }
  48. unsigned int IntegerValueAtIndex(string &str, unsigned int idx) {
  49. string digits("0123456789"), temp;
  50. size_t start = 0;
  51. size_t end;
  52. size_t found = 0;
  53. unsigned int result = 0;
  54. for (; found <= idx; ++found) {
  55. end = str.find_first_not_of(digits, start);
  56. if (end == string::npos)
  57. end = str.size();
  58. temp = str.substr(start, end - start);
  59. if (found == idx) {
  60. result = atoi(temp.c_str());
  61. }
  62. start = str.find_first_of(digits, end + 1);
  63. if (start == string::npos)
  64. break;
  65. }
  66. return result;
  67. }
  68. } // namespace MacStringUtils