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vcmi/launcher/jsonutils.cpp
2016-01-12 22:40:05 +01:00

105 lines
2.4 KiB
C++

#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::DATA_NULL: return QVariant();
break; case JsonNode::DATA_BOOL: return QVariant(node.Bool());
break; case JsonNode::DATA_FLOAT: return QVariant(node.Float());
break; case JsonNode::DATA_STRING: return QVariant(QString::fromUtf8(node.String().c_str()));
break; case JsonNode::DATA_VECTOR: return JsonToList(node.Vector());
break; case JsonNode::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->errorStream() << "Failed to open file " << filename.toUtf8().data();
return QVariant();
}
else
{
JsonNode node(data.data(), data.size());
return toVariant(node);
}
}
JsonNode toJson(QVariant object)
{
JsonNode ret;
if (object.canConvert<QVariantMap>())
ret.Struct() = VariantToMap(object.toMap());
else if (object.canConvert<QVariantList>())
ret.Vector() = VariantToList(object.toList());
else if (static_cast<QMetaType::Type>(object.type()) == QMetaType::QString)
ret.String() = object.toString().toUtf8().data();
else if (static_cast<QMetaType::Type>(object.type()) == QMetaType::Bool)
ret.Bool() = object.toBool();
else if (object.canConvert<double>())
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);
}
}