mirror of
https://github.com/aimrebirth/tools.git
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95 lines
2.6 KiB
C++
95 lines
2.6 KiB
C++
/*
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* AIM tools
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* Copyright (C) 2015 lzwdgc
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <memory>
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#include <stdint.h>
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#include <string>
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#include <vector>
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#define READ(b, var) b.read(&var)
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#define READ_N(b, var, sz) b.read(&var, sz)
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#define WRITE(b, var) b.write(&var)
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std::string version();
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std::vector<uint8_t> readFile(const std::string &fn);
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void writeFile(const std::string &fn, const std::vector<uint8_t> &data);
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class buffer
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{
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public:
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buffer();
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buffer(size_t size);
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buffer(const std::vector<uint8_t> &buf, uint32_t data_offset = 0);
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buffer(buffer &rhs, uint32_t size);
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buffer(buffer &rhs, uint32_t size, uint32_t offset);
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template <typename T>
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uint32_t read(T *dst) const
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{
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return _read(dst, sizeof(T), 0);
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}
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template <typename T>
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uint32_t read(T *dst, uint32_t size) const
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{
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return _read(dst, size * sizeof(T), 0);
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}
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template <typename T>
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uint32_t readfrom(T *dst, uint32_t size, uint32_t offset) const
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{
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return _read(dst, size * sizeof(T), offset);
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}
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template <typename T>
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uint32_t write(const T &src)
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{
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return _write(&src, sizeof(T));
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}
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template <typename T>
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uint32_t write(const T *src, uint32_t size)
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{
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return _write(src, size * sizeof(T));
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}
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template <typename T>
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uint32_t write(const T *src)
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{
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return _write(src, sizeof(T));
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}
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void seek(uint32_t size) const;
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void skip(int n) const;
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bool eof() const;
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bool check(int index) const;
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void reset() const;
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uint32_t index() const;
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uint32_t size() const;
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const std::vector<uint8_t> &buf() const;
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private:
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std::shared_ptr<std::vector<uint8_t>> buf_;
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mutable uint32_t index_ = 0;
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mutable uint8_t *ptr = 0;
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mutable uint32_t data_offset = 0;
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mutable uint32_t size_ = 0;
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uint32_t end_;
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uint32_t _read(void *dst, uint32_t size, uint32_t offset = 0) const;
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uint32_t _write(const void *src, uint32_t size);
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};
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