JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / inspector / IdentifiersFactory.cpp

diff --git a/inspector/IdentifiersFactory.cpp b/inspector/IdentifiersFactory.cpp
new file mode 100644 (file)
index 0000000..321b5ee
--- /dev/null
+++ b/inspector/IdentifiersFactory.cpp
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2014 Apple Inc. All rights reserved.
+ * Copyright (C) 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:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``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 APPLE INC. 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 "IdentifiersFactory.h"
+
+#if ENABLE(INSPECTOR)
+
+#include <wtf/text/StringBuilder.h>
+
+namespace Inspector {
+
+namespace {
+static long s_lastUsedIdentifier = 0;
+}
+
+long IdentifiersFactory::s_processId = 0;
+
+String IdentifiersFactory::createIdentifier()
+{
+    return addProcessIdPrefixTo(String::number(++s_lastUsedIdentifier));
+}
+
+String IdentifiersFactory::requestId(unsigned long identifier)
+{
+    if (identifier)
+        return addProcessIdPrefixTo(String::number(identifier));
+    return String();
+}
+
+String IdentifiersFactory::addProcessIdPrefixTo(const String& id)
+{
+    StringBuilder builder;
+    builder.appendNumber(s_processId);
+    builder.append('.');
+    builder.append(id);
+    return builder.toString();
+}
+
+} // namespace Inspector
+
+#endif // ENABLE(INSPECTOR)