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32 #include "core/xml/parser/SharedBufferReader.h"
34 #include "platform/SharedBuffer.h"
35 #include "wtf/PassRefPtr.h"
36 #include "wtf/RefPtr.h"
43 SharedBufferReader::SharedBufferReader(PassRefPtr<SharedBuffer> buffer)
49 SharedBufferReader::~SharedBufferReader()
53 int SharedBufferReader::readData(char* outputBuffer, unsigned askedToRead)
55 if (!m_buffer || m_currentOffset > m_buffer->size())
58 unsigned bytesCopied = 0;
59 unsigned bytesLeft = m_buffer->size() - m_currentOffset;
60 unsigned lenToCopy = std::min(askedToRead, bytesLeft);
62 while (bytesCopied < lenToCopy) {
64 unsigned segmentSize = m_buffer->getSomeData(data, m_currentOffset);
68 segmentSize = std::min(segmentSize, lenToCopy - bytesCopied);
69 memcpy(outputBuffer + bytesCopied, data, segmentSize);
70 bytesCopied += segmentSize;
71 m_currentOffset += segmentSize;