67 lines
1.6 KiB
C++
67 lines
1.6 KiB
C++
#pragma once
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#include <HalStorage.h>
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#include <iostream>
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namespace serialization {
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template <typename T>
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static void writePod(std::ostream& os, const T& value) {
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os.write(reinterpret_cast<const char*>(&value), sizeof(T));
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}
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template <typename T>
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static void writePod(FsFile& file, const T& value) {
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file.write(reinterpret_cast<const uint8_t*>(&value), sizeof(T));
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}
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template <typename T>
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static void readPod(std::istream& is, T& value) {
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is.read(reinterpret_cast<char*>(&value), sizeof(T));
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}
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template <typename T>
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static void readPod(FsFile& file, T& value) {
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file.read(reinterpret_cast<uint8_t*>(&value), sizeof(T));
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}
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static void writeString(std::ostream& os, const std::string& s) {
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const uint32_t len = s.size();
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writePod(os, len);
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os.write(s.data(), len);
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}
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static void writeString(FsFile& file, const std::string& s) {
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const uint32_t len = s.size();
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writePod(file, len);
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file.write(reinterpret_cast<const uint8_t*>(s.data()), len);
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}
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constexpr uint32_t MAX_STRING_LENGTH = 4096;
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static bool readString(std::istream& is, std::string& s) {
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uint32_t len;
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readPod(is, len);
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if (len > MAX_STRING_LENGTH) {
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is.seekg(len, std::ios::cur); // skip payload to keep stream aligned
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return false;
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}
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s.resize(len);
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is.read(&s[0], len);
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return true;
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}
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static bool readString(FsFile& file, std::string& s) {
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uint32_t len;
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readPod(file, len);
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if (len > MAX_STRING_LENGTH) {
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if (!file.seekCur(static_cast<int64_t>(len))) { // skip payload to keep file position aligned
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return false;
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}
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return false;
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}
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s.resize(len);
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file.read(reinterpret_cast<uint8_t*>(&s[0]), len);
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return true;
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}
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} // namespace serialization
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