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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,178 @@ | ||
| #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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