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      1 /*
      2  * Copyright (C) 2011 Adobe Systems Incorporated. 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  *
      8  * 1. Redistributions of source code must retain the above
      9  *    copyright notice, this list of conditions and the following
     10  *    disclaimer.
     11  * 2. Redistributions in binary form must reproduce the above
     12  *    copyright notice, this list of conditions and the following
     13  *    disclaimer in the documentation and/or other materials
     14  *    provided with the distribution.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AS IS AND ANY
     17  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
     18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     19  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE
     20  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY,
     21  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     22  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
     23  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
     25  * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
     26  * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     27  * SUCH DAMAGE.
     28  */
     29 
     30 #include "config.h"
     31 #include "core/loader/cache/ShaderResource.h"
     32 
     33 #include "core/loader/TextResourceDecoder.h"
     34 #include "core/platform/SharedBuffer.h"
     35 #include "wtf/text/StringBuilder.h"
     36 
     37 namespace WebCore {
     38 
     39 ShaderResource::ShaderResource(const ResourceRequest& resourceRequest)
     40     : Resource(resourceRequest, Shader)
     41     , m_decoder(TextResourceDecoder::create("application/shader"))
     42 {
     43 }
     44 
     45 ShaderResource::~ShaderResource()
     46 {
     47 }
     48 
     49 const String& ShaderResource::shaderString()
     50 {
     51     if (m_shaderString.isNull() && m_data) {
     52         StringBuilder builder;
     53         builder.append(m_decoder->decode(m_data->data(), m_data->size()));
     54         builder.append(m_decoder->flush());
     55         m_shaderString = builder.toString();
     56     }
     57 
     58     return m_shaderString;
     59 }
     60 
     61 } // namespace WebCore
     62