70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
#pragma once
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#include <filesystem>
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#include <fstream>
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#include <memory>
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#include <string>
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#include <vector>
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#include "typedefs.hpp"
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#include "data/dv.hpp"
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namespace fs = std::filesystem;
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namespace files {
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/// @brief Read-only random access file
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class rafile {
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std::ifstream file;
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size_t filelength;
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public:
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rafile(const fs::path& filename);
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void seekg(std::streampos pos);
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void read(char* buffer, std::streamsize size);
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size_t length() const;
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};
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/// @brief Write bytes array to the file without any extra data
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/// @param file target file
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/// @param data data bytes array
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/// @param size size of data bytes array
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bool write_bytes(const fs::path& file, const ubyte* data, size_t size);
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/// @brief Append bytes array to the file without any extra data
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/// @param file target file
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/// @param data data bytes array
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/// @param size size of data bytes array
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uint append_bytes(const fs::path& file, const ubyte* data, size_t size);
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/// @brief Write string to the file
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bool write_string(const fs::path& filename, const std::string content);
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/// @brief Write dynamic data to the JSON file
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/// @param nice if true, human readable format will be used, otherwise
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/// minimal
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bool write_json(
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const fs::path& filename, const dv::value& obj, bool nice = true
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);
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/// @brief Write dynamic data to the binary JSON file
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/// (see src/coders/binary_json_spec.md)
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/// @param compressed use gzip compression
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bool write_binary_json(
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const fs::path& filename,
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const dv::value& obj,
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bool compressed = false
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);
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bool read(const fs::path&, char* data, size_t size);
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std::unique_ptr<ubyte[]> read_bytes(const fs::path&, size_t& length);
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std::vector<ubyte> read_bytes(const fs::path&);
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std::string read_string(const fs::path& filename);
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/// @brief Read JSON or BJSON file
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/// @param file *.json or *.bjson file
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dv::value read_json(const fs::path& file);
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dv::value read_binary_json(const fs::path& file);
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dv::value read_toml(const fs::path& file);
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std::vector<std::string> read_list(const fs::path& file);
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}
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