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74 lines
2.9 KiB
C++
74 lines
2.9 KiB
C++
/*
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* Copyright (C) 2011 Google Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following disclaimer
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* in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Google Inc. nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef SKY_ENGINE_PLATFORM_SHAREDBUFFERCHUNKREADER_H_
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#define SKY_ENGINE_PLATFORM_SHAREDBUFFERCHUNKREADER_H_
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#include "sky/engine/platform/PlatformExport.h"
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#include "sky/engine/wtf/Vector.h"
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#include "sky/engine/wtf/text/WTFString.h"
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namespace blink {
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class SharedBuffer;
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class PLATFORM_EXPORT SharedBufferChunkReader {
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public:
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SharedBufferChunkReader(SharedBuffer*, const Vector<char>& separator);
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SharedBufferChunkReader(SharedBuffer*, const char* separator);
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void setSeparator(const Vector<char>&);
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void setSeparator(const char*);
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// Returns false when the end of the buffer was reached.
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bool nextChunk(Vector<char>& data, bool includeSeparator = false);
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// Returns a null string when the end of the buffer has been reached.
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String nextChunkAsUTF8StringWithLatin1Fallback(bool includeSeparator = false);
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// Reads size bytes at the current location in the buffer, without changing the buffer position.
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// Returns the number of bytes read. That number might be less than the specified size if the end of the buffer was reached.
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size_t peek(Vector<char>&, size_t);
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private:
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SharedBuffer* m_buffer;
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size_t m_bufferPosition;
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const char* m_segment;
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size_t m_segmentLength;
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size_t m_segmentIndex;
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bool m_reachedEndOfFile;
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Vector<char> m_separator;
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size_t m_separatorIndex;
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};
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}
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#endif // SKY_ENGINE_PLATFORM_SHAREDBUFFERCHUNKREADER_H_
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