45 lines
906 B
C++
45 lines
906 B
C++
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#include <base/io/Stream.hpp>
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#include <base/Types.hpp>
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#include <dmbmx/ZiffChunk.hpp>
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#include <functional>
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#include "base/FourCC.hpp"
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namespace dmtools::dmbmx {
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/// A input stream that reads a ZIFF stream and posts chunks.
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struct ZiffInputStream {
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/// A ZIFF chunk.
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struct Chunk {
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ZiffChunkHeader chunkHeader;
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std::vector<u8> chunkData;
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/// Casts the data to some other type.
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template <class T>
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T* As() {
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return std::bit_cast<T*>(chunkData.data());
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}
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};
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using ChunkCallback = std::function<void(Chunk&)>;
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explicit ZiffInputStream(io::Stream& stream, FourCCT expectedFormCkId);
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void SetChunkCallback(ChunkCallback&& chunkCallback);
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void Process();
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void Rewind();
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private:
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bool NextChunkImpl(bool isForm);
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io::Stream& stream;
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FourCCT expectedFormCkId {};
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Chunk currentChunk {};
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ChunkCallback callback {};
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};
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} // namespace dmtools::dmbmx
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