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Original file line number | Diff line number | Diff line change |
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#include "BinaryReader.h" | ||
#include <cmath> | ||
#include <stdexcept> | ||
#include "Stream.h" | ||
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BinaryReader::BinaryReader(Stream* nStream) | ||
{ | ||
stream.reset(nStream); | ||
} | ||
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BinaryReader::BinaryReader(std::shared_ptr<Stream> nStream) | ||
{ | ||
stream = nStream; | ||
} | ||
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void BinaryReader::Close() | ||
{ | ||
stream->Close(); | ||
} | ||
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void BinaryReader::SetEndianness(Endianness endianness) | ||
{ | ||
this->endianness = endianness; | ||
} | ||
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Endianness BinaryReader::GetEndianness() const | ||
{ | ||
return endianness; | ||
} | ||
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void BinaryReader::Seek(uint32_t offset, SeekOffsetType seekType) | ||
{ | ||
stream->Seek(offset, seekType); | ||
} | ||
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uint32_t BinaryReader::GetBaseAddress() | ||
{ | ||
return stream->GetBaseAddress(); | ||
} | ||
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void BinaryReader::Read(int32_t length) | ||
{ | ||
stream->Read(length); | ||
} | ||
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void BinaryReader::Read(char* buffer, int32_t length) | ||
{ | ||
stream->Read(buffer, length); | ||
} | ||
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char BinaryReader::ReadChar() | ||
{ | ||
return (char)stream->ReadByte(); | ||
} | ||
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int8_t BinaryReader::ReadByte() | ||
{ | ||
return stream->ReadByte(); | ||
} | ||
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uint8_t BinaryReader::ReadUByte() | ||
{ | ||
return (uint8_t)stream->ReadByte(); | ||
} | ||
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int16_t BinaryReader::ReadInt16() | ||
{ | ||
int16_t result = 0; | ||
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stream->Read((char*)&result, sizeof(int16_t)); | ||
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if (endianness != Endianness::Native) | ||
result = BSWAP16(result); | ||
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return result; | ||
} | ||
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int32_t BinaryReader::ReadInt32() | ||
{ | ||
int32_t result = 0; | ||
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stream->Read((char*)&result, sizeof(int32_t)); | ||
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if (endianness != Endianness::Native) | ||
result = BSWAP32(result); | ||
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return result; | ||
} | ||
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uint16_t BinaryReader::ReadUInt16() | ||
{ | ||
uint16_t result = 0; | ||
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stream->Read((char*)&result, sizeof(uint16_t)); | ||
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if (endianness != Endianness::Native) | ||
result = BSWAP16(result); | ||
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return result; | ||
} | ||
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uint32_t BinaryReader::ReadUInt32() | ||
{ | ||
uint32_t result = 0; | ||
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stream->Read((char*)&result, sizeof(uint32_t)); | ||
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if (endianness != Endianness::Native) | ||
result = BSWAP32(result); | ||
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return result; | ||
} | ||
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uint64_t BinaryReader::ReadUInt64() | ||
{ | ||
uint64_t result = 0; | ||
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stream->Read((char*)&result, sizeof(uint64_t)); | ||
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if (endianness != Endianness::Native) | ||
result = BSWAP64(result); | ||
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return result; | ||
} | ||
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float BinaryReader::ReadSingle() | ||
{ | ||
float result = NAN; | ||
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stream->Read((char*)&result, sizeof(float)); | ||
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if (endianness != Endianness::Native) | ||
{ | ||
float tmp; | ||
char* dst = (char*)&tmp; | ||
char* src = (char*)&result; | ||
dst[3] = src[0]; dst[2] = src[1]; dst[1] = src[2]; dst[0] = src[3]; | ||
result = tmp; | ||
} | ||
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if (std::isnan(result)) | ||
throw std::runtime_error("BinaryReader::ReadSingle(): Error reading stream"); | ||
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return result; | ||
} | ||
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double BinaryReader::ReadDouble() | ||
{ | ||
double result = NAN; | ||
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stream->Read((char*)&result, sizeof(double)); | ||
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if (endianness != Endianness::Native) | ||
{ | ||
double tmp; | ||
char* dst = (char*)&tmp; | ||
char* src = (char*)&result; | ||
dst[7] = src[0]; dst[6] = src[1]; dst[5] = src[2]; dst[4] = src[3]; | ||
dst[3] = src[4]; dst[2] = src[5]; dst[1] = src[6]; dst[0] = src[7]; | ||
result = tmp; | ||
} | ||
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if (std::isnan(result)) | ||
throw std::runtime_error("BinaryReader::ReadDouble(): Error reading stream"); | ||
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return result; | ||
} | ||
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std::string BinaryReader::ReadString() | ||
{ | ||
std::string res; | ||
int numChars = ReadInt32(); | ||
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for (int i = 0; i < numChars; i++) | ||
res += ReadChar(); | ||
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return res; | ||
} |
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -0,0 +1,41 @@ | ||
#pragma once | ||
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#include <array> | ||
#include <memory> | ||
#include <string> | ||
#include <vector> | ||
#include "BitConverter.h" | ||
#include "Stream.h" | ||
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class BinaryReader | ||
{ | ||
public: | ||
BinaryReader(Stream* nStream); | ||
BinaryReader(std::shared_ptr<Stream> nStream); | ||
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void Close(); | ||
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void SetEndianness(Endianness endianness); | ||
Endianness GetEndianness() const; | ||
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void Seek(uint32_t offset, SeekOffsetType seekType); | ||
uint32_t GetBaseAddress(); | ||
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void Read(int32_t length); | ||
void Read(char* buffer, int32_t length); | ||
char ReadChar(); | ||
int8_t ReadByte(); | ||
int16_t ReadInt16(); | ||
int32_t ReadInt32(); | ||
uint8_t ReadUByte(); | ||
uint16_t ReadUInt16(); | ||
uint32_t ReadUInt32(); | ||
uint64_t ReadUInt64(); | ||
float ReadSingle(); | ||
double ReadDouble(); | ||
std::string ReadString(); | ||
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protected: | ||
std::shared_ptr<Stream> stream; | ||
Endianness endianness = Endianness::Native; | ||
}; |
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