Add Mac string utilities. Reviewed by mmentovai. Fixes issue #98.

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@96 4c0a9323-5329-0410-9bdc-e9ce6186880e

src/common/mac/string_utilities.h

@@ -0,0 +1,52 @@
+// Copyright (c) 2006, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// string_utilities.h: Utilities for strings for Mac platform
+
+#ifndef COMMON_MAC_STRING_UTILITIES_H__
+#define COMMON_MAC_STRING_UTILITIES_H__
+
+#include <CoreFoundation/CoreFoundation.h>
+
+#include <string>
+
+namespace MacStringUtils {
+
+using std::string;
+
+// Convert a CoreFoundation string into a std::string
+string ConvertToString(CFStringRef str);
+
+// Return the idx'th decimal integer in str, separated by non-decimal-digits
+// E.g., str = 10.4.8, idx = 1 -> 4
+unsigned int IntegerValueAtIndex(string &str, unsigned int idx);
+
+}  // namespace MacStringUtils
+
+#endif  // COMMON_MAC_STRING_UTILITIES_H__