1 /*

     2  * Copyright (C) 2008 Apple Inc. All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #ifndef CachedScriptSourceProvider_h

    27 #define CachedScriptSourceProvider_h

    28 

    29 #include "CachedResourceClient.h"

    30 #include "CachedResourceHandle.h"

    31 #include "CachedScript.h"

    32 #include "JSDOMBinding.h" // for stringToUString

    33 #include "ScriptSourceProvider.h"

    34 #include <parser/SourceCode.h>

    35 

    36 namespace WebCore {

    37 

    38     class CachedScriptSourceProvider : public ScriptSourceProvider, public CachedResourceClient {

    39     public:

    40         static PassRefPtr<CachedScriptSourceProvider> create(CachedScript* cachedScript) { return adoptRef(new CachedScriptSourceProvider(cachedScript)); }

    41 

    42         virtual ~CachedScriptSourceProvider()

    43         {

    44             m_cachedScript->removeClient(this);

    45         }

    46 

    47         JSC::UString getRange(int start, int end) const { return JSC::UString(m_cachedScript->script().characters() + start, end - start); }

    48         const UChar* data() const { return m_cachedScript->script().characters(); }

    49         int length() const { return m_cachedScript->script().length(); }

    50         const String& source() const { return m_cachedScript->script(); }

    51 

    52     private:

    53         CachedScriptSourceProvider(CachedScript* cachedScript)

    54             : ScriptSourceProvider(stringToUString(cachedScript->url()))

    55             , m_cachedScript(cachedScript)

    56         {

    57             m_cachedScript->addClient(this);

    58         }

    59 

    60         CachedResourceHandle<CachedScript> m_cachedScript;

    61     };

    62 

    63     inline JSC::SourceCode makeSource(CachedScript* cachedScript)

    64     {

    65         return JSC::SourceCode(CachedScriptSourceProvider::create(cachedScript));

    66     }

    67 

    68 } // namespace WebCore

    69 

    70 #endif // CachedScriptSourceProvider_h