mirror of
https://github.com/OpenRCT2/OpenRCT2
synced 2026-01-26 16:24:35 +01:00
68 lines
1.8 KiB
C++
68 lines
1.8 KiB
C++
/*****************************************************************************
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* Copyright (c) 2014-2018 OpenRCT2 developers
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*
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* For a complete list of all authors, please refer to contributors.md
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* Interested in contributing? Visit https://github.com/OpenRCT2/OpenRCT2
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*
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* OpenRCT2 is licensed under the GNU General Public License version 3.
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*****************************************************************************/
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#include "Json.hpp"
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#include "FileStream.hpp"
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#include "Memory.hpp"
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#include "String.hpp"
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namespace Json
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{
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json_t* ReadFromFile(const utf8* path, size_t maxSize)
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{
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json_t* json = nullptr;
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auto fs = FileStream(path, FILE_MODE_OPEN);
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size_t fileLength = (size_t)fs.GetLength();
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if (fileLength > maxSize)
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{
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throw IOException("Json file too large.");
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}
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utf8* fileData = Memory::Allocate<utf8>(fileLength + 1);
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fs.Read(fileData, fileLength);
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fileData[fileLength] = '\0';
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json_error_t jsonLoadError;
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json = json_loads(fileData, 0, &jsonLoadError);
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Memory::Free(fileData);
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if (json == nullptr)
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{
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throw JsonException(&jsonLoadError);
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}
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return json;
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}
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void WriteToFile(const utf8* path, const json_t* json, size_t flags)
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{
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// Serialise JSON
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const char* jsonOutput = json_dumps(json, flags);
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// Write to file
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auto fs = FileStream(path, FILE_MODE_WRITE);
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size_t jsonOutputSize = String::SizeOf(jsonOutput);
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fs.Write(jsonOutput, jsonOutputSize);
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}
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json_t* FromString(const std::string& raw)
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{
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json_t* root;
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json_error_t error;
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root = json_loads(raw.c_str(), 0, &error);
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if (root == nullptr)
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{
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throw JsonException(&error);
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}
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return root;
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}
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} // namespace Json
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