The Tor Browser: toolkit/crashreporter/google-breakpad/src/common/mac/string

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     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.

    30 #include "common/scoped_ptr.h"

    31 #include "common/mac/string_utilities.h"

    33 namespace MacStringUtils {

    35 using google_breakpad::scoped_array;

    37 std::string ConvertToString(CFStringRef str) {

    38   CFIndex length = CFStringGetLength(str);

    39   std::string result;

    41   if (!length)

    42     return result;

    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());

    53   return result;

    54 }

    56 unsigned 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;

    63   for (; found <= idx; ++found) {

    64     end = str.find_first_not_of(digits, start);

    66     if (end == string::npos)

    67       end = str.size();

    69     temp = str.substr(start, end - start);

    71     if (found == idx) {

    72       result = atoi(temp.c_str());

    73     }

    75     start = str.find_first_of(digits, end + 1);

    77     if (start == string::npos)

    78       break;

    79   }

    81   return result;

    82 }

    84 }  // namespace MacStringUtils

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