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32 lines
815 B
C++
32 lines
815 B
C++
#ifndef OPENMW_COMPONENTS_FILES_MEMORYSTREAM_H
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#define OPENMW_COMPONENTS_FILES_MEMORYSTREAM_H
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#include <istream>
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namespace Files
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{
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struct MemBuf : std::streambuf
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{
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MemBuf(char const* buffer, size_t size)
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{
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// a streambuf isn't specific to istreams, so we need a non-const pointer :/
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char* nonconstBuffer = (const_cast<char*>(buffer));
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this->setg(nonconstBuffer, nonconstBuffer, nonconstBuffer + size);
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}
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};
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/// @brief A variant of std::istream that reads from a constant in-memory buffer.
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struct IMemStream: virtual MemBuf, std::istream
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{
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IMemStream(char const* buffer, size_t size)
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: MemBuf(buffer, size)
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, std::istream(static_cast<std::streambuf*>(this))
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{
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}
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};
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}
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#endif
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