mirror of
https://github.com/vcmi/vcmi.git
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126 lines
2.6 KiB
C++
126 lines
2.6 KiB
C++
/*
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* jsonutils.cpp, part of VCMI engine
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*
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* Authors: listed in file AUTHORS in main folder
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*
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* License: GNU General Public License v2.0 or later
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* Full text of license available in license.txt file, in main folder
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*
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*/
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#include "StdInc.h"
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#include "jsonutils.h"
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#include "../lib/filesystem/FileStream.h"
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static QVariantMap JsonToMap(const JsonMap & json)
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{
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QVariantMap map;
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for(auto & entry : json)
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{
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map.insert(QString::fromUtf8(entry.first.c_str()), JsonUtils::toVariant(entry.second));
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}
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return map;
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}
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static QVariantList JsonToList(const JsonVector & json)
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{
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QVariantList list;
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for(auto & entry : json)
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{
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list.push_back(JsonUtils::toVariant(entry));
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}
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return list;
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}
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static JsonVector VariantToList(QVariantList variant)
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{
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JsonVector vector;
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for(auto & entry : variant)
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{
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vector.push_back(JsonUtils::toJson(entry));
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}
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return vector;
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}
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static JsonMap VariantToMap(QVariantMap variant)
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{
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JsonMap map;
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for(auto & entry : variant.toStdMap())
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{
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map[entry.first.toUtf8().data()] = JsonUtils::toJson(entry.second);
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}
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return map;
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}
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namespace JsonUtils
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{
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QVariant toVariant(const JsonNode & node)
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{
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switch(node.getType())
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{
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break;
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case JsonNode::JsonType::DATA_NULL:
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return QVariant();
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break;
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case JsonNode::JsonType::DATA_BOOL:
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return QVariant(node.Bool());
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break;
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case JsonNode::JsonType::DATA_FLOAT:
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return QVariant(node.Float());
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break;
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case JsonNode::JsonType::DATA_STRING:
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return QVariant(QString::fromUtf8(node.String().c_str()));
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break;
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case JsonNode::JsonType::DATA_VECTOR:
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return JsonToList(node.Vector());
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break;
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case JsonNode::JsonType::DATA_STRUCT:
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return JsonToMap(node.Struct());
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}
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return QVariant();
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}
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QVariant JsonFromFile(QString filename)
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{
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QFile file(filename);
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file.open(QFile::ReadOnly);
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auto data = file.readAll();
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if(data.size() == 0)
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{
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logGlobal->error("Failed to open file %s", filename.toUtf8().data());
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return QVariant();
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}
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else
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{
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JsonNode node(data.data(), data.size());
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return toVariant(node);
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}
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}
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JsonNode toJson(QVariant object)
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{
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JsonNode ret;
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if(object.canConvert<QVariantMap>())
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ret.Struct() = VariantToMap(object.toMap());
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else if(object.canConvert<QVariantList>())
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ret.Vector() = VariantToList(object.toList());
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else if(object.userType() == QMetaType::QString)
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ret.String() = object.toString().toUtf8().data();
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else if(object.userType() == QMetaType::Bool)
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ret.Bool() = object.toBool();
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else if(object.canConvert<double>())
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ret.Float() = object.toFloat();
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return ret;
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}
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void JsonToFile(QString filename, QVariant object)
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{
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FileStream file(qstringToPath(filename), std::ios::out | std::ios_base::binary);
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file << toJson(object).toJson();
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}
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}
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