From 6fd8e5ee43dd0f87eb4e57b86e84770fcd95db25 Mon Sep 17 00:00:00 2001
From: KiritoDv <kiritodev01@gmail.com>
Date: Thu, 17 Aug 2023 00:35:58 -0600
Subject: Added StormLib, nlohmann, BinaryTools and CLI11

---
 lib/binarytools/BinaryReader.cpp | 193 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 193 insertions(+)
 create mode 100644 lib/binarytools/BinaryReader.cpp

(limited to 'lib/binarytools/BinaryReader.cpp')

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();
+}
-- 
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