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43 lines
813 B
C++
43 lines
813 B
C++
#pragma once
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/*!
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* @file BinaryReader.h
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* Read raw data like a stream.
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*/
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#include <cstdint>
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#include <cassert>
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#include <vector>
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class BinaryReader {
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public:
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BinaryReader(uint8_t* _buffer, uint32_t _size) : buffer(_buffer), size(_size) {}
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explicit BinaryReader(std::vector<uint8_t>& _buffer)
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: buffer((uint8_t*)_buffer.data()), size(_buffer.size()) {}
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template <typename T>
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T read() {
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assert(seek + sizeof(T) <= size);
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T& obj = *(T*)(buffer + seek);
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seek += sizeof(T);
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return obj;
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}
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void ffwd(int amount) {
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seek += amount;
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assert(seek <= size);
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}
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uint32_t bytes_left() const { return size - seek; }
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uint8_t* here() { return buffer + seek; }
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uint32_t get_seek() { return seek; }
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private:
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uint8_t* buffer;
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uint32_t size;
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uint32_t seek = 0;
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};
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