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-rw-r--r--lib/binarytools/BinaryReader.cpp193
1 files changed, 193 insertions, 0 deletions
diff --git a/lib/binarytools/BinaryReader.cpp b/lib/binarytools/BinaryReader.cpp
new file mode 100644
index 0000000..3aff001
--- /dev/null
+++ b/lib/binarytools/BinaryReader.cpp
@@ -0,0 +1,193 @@
+#include "BinaryReader.h"
+#include "MemoryStream.h"
+#include <cmath>
+#include <stdexcept>
+
+LUS::BinaryReader::BinaryReader(char* nBuffer, size_t nBufferSize) {
+ mStream = std::make_shared<MemoryStream>(nBuffer, nBufferSize);
+}
+
+LUS::BinaryReader::BinaryReader(Stream* nStream) {
+ mStream.reset(nStream);
+}
+
+LUS::BinaryReader::BinaryReader(std::shared_ptr<Stream> nStream) {
+ mStream = nStream;
+}
+
+void LUS::BinaryReader::Close() {
+ mStream->Close();
+}
+
+void LUS::BinaryReader::SetEndianness(Endianness endianness) {
+ this->mEndianness = endianness;
+}
+
+LUS::Endianness LUS::BinaryReader::GetEndianness() const {
+ return mEndianness;
+}
+
+void LUS::BinaryReader::Seek(int32_t offset, SeekOffsetType seekType) {
+ mStream->Seek(offset, seekType);
+}
+
+uint32_t LUS::BinaryReader::GetBaseAddress() {
+ return mStream->GetBaseAddress();
+}
+
+void LUS::BinaryReader::Read(int32_t length) {
+ mStream->Read(length);
+}
+
+void LUS::BinaryReader::Read(char* buffer, int32_t length) {
+ mStream->Read(buffer, length);
+}
+
+char LUS::BinaryReader::ReadChar() {
+ return (char)mStream->ReadByte();
+}
+
+int8_t LUS::BinaryReader::ReadInt8() {
+ return mStream->ReadByte();
+}
+
+int16_t LUS::BinaryReader::ReadInt16() {
+ int16_t result = 0;
+ mStream->Read((char*)&result, sizeof(int16_t));
+ if (mEndianness != Endianness::Native) {
+ result = BSWAP16(result);
+ }
+
+ return result;
+}
+
+int32_t LUS::BinaryReader::ReadInt32() {
+ int32_t result = 0;
+
+ mStream->Read((char*)&result, sizeof(int32_t));
+
+ if (mEndianness != Endianness::Native) {
+ result = BSWAP32(result);
+ }
+
+ return result;
+}
+
+uint8_t LUS::BinaryReader::ReadUByte() {
+ return (uint8_t)mStream->ReadByte();
+}
+
+uint16_t LUS::BinaryReader::ReadUInt16() {
+ uint16_t result = 0;
+
+ mStream->Read((char*)&result, sizeof(uint16_t));
+
+ if (mEndianness != Endianness::Native) {
+ result = BSWAP16(result);
+ }
+
+ return result;
+}
+
+uint32_t LUS::BinaryReader::ReadUInt32() {
+ uint32_t result = 0;
+
+ mStream->Read((char*)&result, sizeof(uint32_t));
+
+ if (mEndianness != Endianness::Native) {
+ result = BSWAP32(result);
+ }
+
+ return result;
+}
+
+uint64_t LUS::BinaryReader::ReadUInt64() {
+ uint64_t result = 0;
+
+ mStream->Read((char*)&result, sizeof(uint64_t));
+
+ if (mEndianness != Endianness::Native) {
+ result = BSWAP64(result);
+ }
+
+ return result;
+}
+
+float LUS::BinaryReader::ReadFloat() {
+ float result = NAN;
+
+ mStream->Read((char*)&result, sizeof(float));
+
+ if (mEndianness != 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;
+ }
+
+ if (std::isnan(result)) {
+ throw std::runtime_error("BinaryReader::ReadFloat(): Error reading stream");
+ }
+
+ return result;
+}
+
+double LUS::BinaryReader::ReadDouble() {
+ double result = NAN;
+
+ mStream->Read((char*)&result, sizeof(double));
+
+ if (mEndianness != 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;
+ }
+
+ if (std::isnan(result)) {
+ throw std::runtime_error("BinaryReader::ReadDouble(): Error reading stream");
+ }
+
+ return result;
+}
+
+std::string LUS::BinaryReader::ReadString() {
+ std::string res;
+ int numChars = ReadInt32();
+ for (int i = 0; i < numChars; i++) {
+ res += ReadChar();
+ }
+ return res;
+}
+
+std::string LUS::BinaryReader::ReadCString() {
+ std::string res;
+
+ unsigned char c = 0;
+ do {
+ if (mStream->GetBaseAddress() >= mStream->GetLength()) {
+ break;
+ }
+
+ c = ReadChar();
+ res += c;
+ } while (c != '\0');
+
+ return res;
+}
+
+std::vector<char> LUS::BinaryReader::ToVector() {
+ return mStream->ToVector();
+}