Dart bindings for WebKit

Source/WebCore/bindings/dart/DartFlags.cpp

+// Copyright 2011, 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 "config.h"
+#include "DartFlags.h"
+#include <wtf/Vector.h>
+
+namespace WebCore {
+
+char* DartFlags::m_flags = 0;
+char** DartFlags::m_argv = 0;
+int DartFlags::m_argc = 0;
+
+void DartFlags::setFlags(const std::string& flags)
+{
+    // Clear flags if set.
+    if (m_flags)
+        free(m_flags);
+    m_flags = strdup(flags.c_str());
+    ASSERT(m_flags);
+
+    // Determine split points in string.
+    const char separator = ' ';
+
+    Vector<int> positions;
+    size_t startPos = 0;
+    size_t endPos;
+
+    while ((endPos = flags.find(separator, startPos)) != std::string::npos) {
+        if (startPos != endPos) {
+            positions.append(startPos);
+            m_flags[endPos] = 0;
+        }
+        startPos = endPos + 1;
+    }
+    if (startPos != flags.length())
+        positions.append(startPos);
+
+    m_argc = positions.size();
+    m_argv = new char*[m_argc];
+    for (int i = 0; i < m_argc; i++)
+        m_argv[i] = &m_flags[positions[i]];
+}
+
+}