5bf0b34445
C++17ification! - Filesystem interaction now uses std::filesystem::path. - Usage of const char*, std::string have been changed to std::string_view where appropriate. - Usage of printf-style functions changed to use fmt.
79 lines
2.0 KiB
C++
79 lines
2.0 KiB
C++
/**
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******************************************************************************
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* Xenia : Xbox 360 Emulator Research Project *
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******************************************************************************
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* Copyright 2020 Ben Vanik. All rights reserved. *
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* Released under the BSD license - see LICENSE in the root for more details. *
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******************************************************************************
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*/
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#ifndef XENIA_BASE_BYTE_STREAM_H_
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#define XENIA_BASE_BYTE_STREAM_H_
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#include <cstdint>
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#include <string>
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namespace xe {
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class ByteStream {
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public:
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ByteStream(uint8_t* data, size_t data_length, size_t offset = 0);
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~ByteStream();
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void Advance(size_t num_bytes);
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void Read(uint8_t* buf, size_t len);
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void Write(const uint8_t* buf, size_t len);
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void Read(void* buf, size_t len) {
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return Read(reinterpret_cast<uint8_t*>(buf), len);
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}
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void Write(const void* buf, size_t len) {
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return Write(reinterpret_cast<const uint8_t*>(buf), len);
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}
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const uint8_t* data() const { return data_; }
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uint8_t* data() { return data_; }
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size_t data_length() const { return data_length_; }
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size_t offset() const { return offset_; }
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void set_offset(size_t offset) { offset_ = offset; }
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template <typename T>
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T Read() {
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T data;
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Read(reinterpret_cast<uint8_t*>(&data), sizeof(T));
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return data;
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}
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template <typename T>
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void Write(T data) {
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Write(reinterpret_cast<uint8_t*>(&data), sizeof(T));
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}
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void Write(const std::string_view str) {
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Write(uint32_t(str.length()));
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Write(str.data(), str.length() * sizeof(char));
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}
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void Write(const std::u16string_view str) {
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Write(uint32_t(str.length()));
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Write(str.data(), str.length() * sizeof(char16_t));
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}
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private:
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uint8_t* data_ = nullptr;
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size_t data_length_ = 0;
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size_t offset_ = 0;
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};
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template <>
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std::string ByteStream::Read();
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template <>
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std::u16string ByteStream::Read();
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} // namespace xe
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#endif // XENIA_BASE_BYTE_STREAM_H_
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