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+/*
+ * Copyright (C) 2005 Apple Computer, 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. 
+ * 3.  Neither the name of Apple Computer, Inc. ("Apple") 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 APPLE AND ITS 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 APPLE OR ITS 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.
+ */
+
+#ifndef JSUtils_h
+#define JSUtils_h
+
+#include "JavaScriptGlue.h"
+
+#include <JavaScriptCore/Collector.h>
+#include <JavaScriptCore/JSValue.h>
+#include <JavaScriptCore/Completion.h>
+#include <JavaScriptCore/Identifier.h>
+#include <JavaScriptCore/JSLock.h>
+#include <JavaScriptCore/JSObject.h>
+#include <JavaScriptCore/JSGlobalObject.h>
+#include <JavaScriptCore/Protect.h>
+#include <JavaScriptCore/UString.h>
+
+#include <wtf/RefPtr.h>
+
+using namespace JSC;
+
+class JSBase;
+class JSUserObject;
+class JSRun;
+class JSValueWrapper;
+class JSUserObjectImp;
+
+UString CFStringToUString(CFStringRef inCFString);
+CFStringRef UStringToCFString(const UString& inUString);
+Identifier CFStringToIdentifier(CFStringRef inCFString, ExecState*);
+CFStringRef IdentifierToCFString(const Identifier& inIdentifier);
+JSUserObject *KJSValueToJSObject(JSValue inValue, ExecState *exec);
+CFTypeRef KJSValueToCFType(JSValue inValue, ExecState *exec);
+JSValue JSObjectKJSValue(JSUserObject* ptr);
+CFTypeRef GetCFNull(void);
+
+inline CFTypeRef RetainCFType(CFTypeRef x) { if (x) x = CFRetain(x); return x; }
+inline void ReleaseCFType(CFTypeRef x) { if (x) CFRelease(x);  }
+
+ExecState* getThreadGlobalExecState();
+
+enum {
+    kJSInvalidTypeID = 0,
+    kJSObjectTypeID,
+    kJSRunTypeID
+};
+
+enum {
+    kJSUserObjectDataTypeUnknown,
+    kJSUserObjectDataTypeJSValueWrapper,
+    kJSUserObjectDataTypeCFType
+};
+
+class JSGlueAPIEntry {
+public:
+    JSGlueAPIEntry();
+    JSGlueAPIEntry(JSGlobalObject*); // For use when it's not safe for JSGlueAPIEntry() to call getThreadGlobalObject() -- for example, from a thread-specific data destructor.
+    ~JSGlueAPIEntry();
+
+private:
+    JSLock m_lock;
+    IdentifierTable* m_storedIdentifierTable;
+};
+
+class JSGlueAPICallback {
+public:
+    JSGlueAPICallback(ExecState*);
+    ~JSGlueAPICallback();
+
+private:
+    JSLock::DropAllLocks m_dropLocks;
+};
+
+#endif