mirror of https://github.com/PrimeDecomp/prime.git
79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#ifndef _CINPUTSTREAM
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#define _CINPUTSTREAM
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#include "types.h"
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class CInputStream;
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template < typename T >
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struct TType {};
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template < typename T >
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inline T cinput_stream_helper(const TType< T >& type, CInputStream& in);
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class CInputStream {
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public:
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CInputStream(int len);
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CInputStream(const void* ptr, int len, bool owned);
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virtual ~CInputStream();
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virtual uint Read(void* dest, uint len) = 0;
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f32 ReadFloat();
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u64 ReadLongLong();
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uint ReadLong();
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u16 ReadShort();
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bool ReadBool();
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u8 ReadChar();
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uint ReadBits(uint len);
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uint ReadBytes(void* dest, unsigned long len);
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void Get(void* dest, unsigned long len);
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template < typename T >
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inline T Get(const TType< T >& type) {
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return cinput_stream_helper(type, *this);
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}
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bool ReadPackedBool() { return ReadBits(1) != 0; }
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private:
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bool GrabAnotherBlock();
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bool InternalReadNext();
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uint x4_blockOffset;
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uint x8_blockLen;
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uint xc_len;
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u8* x10_ptr;
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bool x14_owned;
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uint x18_readPosition;
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uint x1c_bitWord;
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uint x20_bitOffset;
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};
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template <>
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inline int cinput_stream_helper(const TType< int >& type, CInputStream& in) {
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return in.ReadLong();
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}
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template <>
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inline uint cinput_stream_helper(const TType< uint >& type, CInputStream& in) {
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return in.ReadLong();
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}
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template <>
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inline unsigned long cinput_stream_helper(const TType< unsigned long >& type, CInputStream& in) {
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return in.ReadLong();
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}
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template <>
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inline float cinput_stream_helper(const TType< float >& type, CInputStream& in) {
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return in.ReadFloat();
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}
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// rstl
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#include "rstl/pair.hpp"
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template < typename L, typename R >
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inline rstl::pair< L, R > cinput_stream_helper(const TType< rstl::pair< L, R > >& type,
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CInputStream& in) {
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rstl::pair< L, R > result;
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result.first = in.Get(TType< L >());
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result.second = in.Get(TType< R >());
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return result;
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}
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#endif // _CINPUTSTREAM
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