1 files changed, 71 insertions, 0 deletions
diff --git a/chrome/installer/util/version.cc b/chrome/installer/util/version.cc
new file mode 100644
index 0000000..925c950
--- /dev/null
+++ b/chrome/installer/util/version.cc
@@ -0,0 +1,71 @@
+// Copyright 2008, 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.
+
+#include <vector>
+
+#include "base/string_util.h"
+#include "chrome/installer/util/version.h"
+
+installer::Version::Version(int64 major, int64 minor, int64 build,
+                            int64 patch) :
+    major_(major), minor_(minor), build_(build), patch_(patch) {
+  version_str_.append(Int64ToWString(major_));
+  version_str_.append(L".");
+  version_str_.append(Int64ToWString(minor_));
+  version_str_.append(L".");
+  version_str_.append(Int64ToWString(build_));
+  version_str_.append(L".");
+  version_str_.append(Int64ToWString(patch_));
+}
+
+installer::Version::~Version() {
+}
+
+bool installer::Version::IsHigherThan(const installer::Version* other) const {
+  return ((major_ > other->major_) ||
+          ((major_ == other->major_) && (minor_ > other->minor_)) ||
+          ((major_ == other->major_) && (minor_ == other->minor_)
+                                     && (build_ > other->build_)) ||
+          ((major_ == other->major_) && (minor_ == other->minor_)
+                                     && (build_ == other->build_)
+                                     && (patch_ > other->patch_)));
+}
+
+installer::Version* installer::Version::GetVersionFromString(
+    std::wstring version_str) {
+  std::vector<std::wstring> numbers;
+  SplitString(version_str, '.', &numbers);
+
+  if (numbers.size() != 4) {
+    return NULL;
+  }
+
+  return new Version(StringToInt64(numbers[0]), StringToInt64(numbers[1]),
+                     StringToInt64(numbers[2]), StringToInt64(numbers[3]));
+}