39 lines
806 B
C++
39 lines
806 B
C++
#pragma once
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#include "./file.hpp"
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struct FileRMem : public FileI {
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std::vector<uint8_t> _data;
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FileRMem(void) = delete;
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FileRMem(const std::vector<uint8_t>& data) : _data(data) {
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_file_size = _data.size();
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}
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virtual ~FileRMem(void) {}
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bool isGood(void) override {
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return true;
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}
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std::vector<uint8_t> read(uint64_t pos, uint32_t size) override {
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if (_file_size > 0 && pos >= _data.size()) {
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return {};
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}
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// TODO: optimize
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std::vector<uint8_t> chunk;
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for (size_t i = 0; i < size && i+pos < _data.size(); i++) {
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chunk.push_back(_data[pos+i]);
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}
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//chunk.insert(chunk.begin(), _data.cbegin()+pos, _data.cbegin()+pos+size);
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_bytes_read += chunk.size();
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return chunk;
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}
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// read only
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bool write(uint64_t, const std::vector<uint8_t>&) override { return false; }
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};
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