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