C++ JsonNode类代码示例

static JsonNode loadPatches(std::string path)
{
	JsonNode node = JsonUtils::assembleFromFiles(path);
	for (auto & entry : node.Struct())
		JsonUtils::validate(entry.second, "vcmi:mapHeader", "patch for " + entry.first);
	return node;
}

static ui32 loadJsonOrMax(const JsonNode & input)
{
	if (input.isNull())
		return std::numeric_limits<ui32>::max();
	else
		return input.Float();
}

JsonNode JsonReader::ParseArray() {

   JsonNode object = JsonNode(JsonNode::Type::Array);
   bool end = false;

   /* Verify we're parsing an array */
   if (*m_data == '[') m_data++;

   while (!end) {

      /* Use the index value as the key name */
      object[object.ChildCount()] = this->ParseValue();

      while (*m_data != ',' && *m_data != ']' && !EndOfFile()) m_data++;

      switch (*m_data) {

         case ',':
            m_data++;
            break;

         case ']':
            end = true;
            m_data++;
            break;

         default:
            PrintError("Syntax Error : ',' , ']' were expected. ");
            end = true;
            break;
      };
   }

   return object;
}

void CContentHandler::ContentTypeHandler::preloadModData(std::string modName, std::vector<std::string> fileList)
{
	JsonNode data = JsonUtils::assembleFromFiles(fileList);
	data.setMeta(modName);

	ModInfo & modInfo = modData[modName];

	for(auto entry : data.Struct())
	{
		size_t colon = entry.first.find(':');

		if (colon == std::string::npos)
		{
			// normal object, local to this mod
			modInfo.modData[entry.first].swap(entry.second);
		}
		else
		{
			std::string remoteName = entry.first.substr(0, colon);
			std::string objectName = entry.first.substr(colon + 1);

			// patching this mod? Send warning and continue - this situation can be handled normally
			if (remoteName == modName)
				logGlobal->warnStream() << "Redundant namespace definition for " << objectName;

			JsonNode & remoteConf = modData[remoteName].patches[objectName];

			JsonUtils::merge(remoteConf, entry.second);
		}
	}
}

bool JsonParser::extractArray(JsonNode &node)
{
	pos++;
	node.setType(JsonNode::DATA_VECTOR);

	if (!extractWhitespace())
		return false;

	//Empty array found
	if (input[pos] == ']')
	{
		pos++;
		return true;
	}

	while (true)
	{
		//NOTE: currently 50% of time is this vector resizing.
		//May be useful to use list during parsing and then swap() all items to vector
		node.Vector().resize(node.Vector().size()+1);

		if (!extractElement(node.Vector().back(), ']'))
			return false;

		if (input[pos] == ']')
		{
			pos++;
			return true;
		}
	}
}

void CSettingsView::loadSettings()
{
	int resX = settings["video"]["screenRes"]["width"].Float();
	int resY = settings["video"]["screenRes"]["height"].Float();

	int resIndex = ui->comboBoxResolution->findText(QString("%1x%2").arg(resX).arg(resY));

	ui->comboBoxResolution->setCurrentIndex(resIndex);
	ui->comboBoxFullScreen->setCurrentIndex(settings["video"]["fullscreen"].Bool());

	int neutralAIIndex = ui->comboBoxNeutralAI->findText(QString::fromUtf8(settings["server"]["neutralAI"].String().c_str()));
	int playerAIIndex = ui->comboBoxPlayerAI->findText(QString::fromUtf8(settings["server"]["playerAI"].String().c_str()));

	ui->comboBoxNeutralAI->setCurrentIndex(neutralAIIndex);
	ui->comboBoxPlayerAI->setCurrentIndex(playerAIIndex);

	ui->spinBoxNetworkPort->setValue(settings["server"]["port"].Float());

	ui->comboBoxEnableMods->setCurrentIndex(settings["launcher"]["enableInstalledMods"].Bool());

	// all calls to plainText will trigger textChanged() signal overwriting config. Create backup before editing widget
	JsonNode urls = settings["launcher"]["repositoryURL"];

	ui->plainTextEditRepos->clear();
	for (auto entry : urls.Vector())
		ui->plainTextEditRepos->appendPlainText(QString::fromUtf8(entry.String().c_str()));

	ui->lineEditUserDataDir->setText(QString::fromUtf8(VCMIDirs::get().userDataPath().c_str()));
	QStringList dataDirs;
	for (auto string : VCMIDirs::get().dataPaths())
		dataDirs += QString::fromUtf8(string.c_str());
	ui->lineEditGameDir->setText(dataDirs.join(':'));
}

bool JsonParser::extractString(JsonNode &node)
{
	std::string str;
	if (!extractString(str))
		return false;

	node.setType(JsonNode::DATA_STRING);
	node.String() = str;
	return true;
}

si32 selectNextID(const JsonNode & fixedID, const Map & map, si32 defaultID)
{
	if (!fixedID.isNull() && fixedID.Float() < defaultID)
		return fixedID.Float(); // H3M object with fixed ID

	if (map.empty())
		return defaultID; // no objects loaded, keep gap for H3M objects
	if (map.rbegin()->first >= defaultID)
		return map.rbegin()->first + 1; // some modded objects loaded, return next available

	return defaultID; // some H3M objects loaded, first modded found
}

void CModHandler::handleData(Handler handler, const JsonNode & source, std::string listName, std::string schemaName)
{
	JsonNode config = JsonUtils::assembleFromFiles(source[listName].convertTo<std::vector<std::string> >());

	for(auto & entry : config.Struct())
	{
		if (!entry.second.isNull()) // may happens if mod removed object by setting json entry to null
		{
			JsonUtils::validate(entry.second, schemaName, entry.first);
			handler->load(entry.first, entry.second);
		}
	}
}

void JsonWriter::writeNode(const JsonNode &node)
{
	switch(node.getType())
	{
		break; case JsonNode::DATA_NULL:
			out << "null";

		break; case JsonNode::DATA_BOOL:
			if (node.Bool())
				out << "true";
			else
				out << "false";

		break; case JsonNode::DATA_FLOAT:
			out << node.Float();

		break; case JsonNode::DATA_STRING:
			writeString(node.String());

		break; case JsonNode::DATA_VECTOR:
			out << "[" << "\n";
			writeContainer(node.Vector().begin(), node.Vector().end());
			out << prefix << "]";

		break; case JsonNode::DATA_STRUCT:
			out << "{" << "\n";
			writeContainer(node.Struct().begin(), node.Struct().end());
			out << prefix << "}";
	}
}

void SettingsStorage::invalidateNode(const std::vector<std::string> &changedPath)
{
	for(SettingsListener * listener : listeners)
		listener->nodeInvalidated(changedPath);

	JsonNode savedConf = config;
	JsonNode schema(ResourceID("config/schemas/settings.json"));

	savedConf.Struct().erase("session");
	JsonUtils::minimize(savedConf, "vcmi:settings");

	std::ofstream file(*CResourceHandler::get()->getResourceName(ResourceID("config/settings.json")), std::ofstream::trunc);
	file << savedConf;
}

	std::string check(const JsonNode & schema, const JsonNode & data, ValidationData & validator)
	{
		const TValidatorMap & knownFields = getKnownFieldsFor(data.getType());
		std::string errors;
		for(auto & entry : schema.Struct())
		{
			auto checker = knownFields.find(entry.first);
			if (checker != knownFields.end())
				errors += checker->second(validator, schema, entry.second, data);
			//else
			//	errors += validator.makeErrorMessage("Unknown entry in schema " + entry.first);
		}
		return errors;
	}

CMappedFileLoader::CMappedFileLoader(const std::string & mountPoint, const JsonNode &config)
{
	for(auto entry : config.Struct())
	{
		fileList[ResourceID(mountPoint + entry.first)] = ResourceID(mountPoint + entry.second.String());
	}
}

void CIdentifierStorage::requestIdentifier(const JsonNode & name, const std::function<void(si32)> & callback)
{
	auto pair  = splitString(name.String(), ':'); // remoteScope:<type.name>
	auto pair2 = splitString(pair.second,   '.'); // type.name

	requestIdentifier(ObjectCallback(name.meta, pair.first, pair2.first, pair2.second, callback));
}

void CBonusTypeHandler::load(const JsonNode& config)
{
	for(auto & node : config.Struct())
	{
		auto it = bonusNameMap.find(node.first);
		
		if(it == bonusNameMap.end())
		{
			//TODO: new bonus
//			CBonusType bt;
//			loadItem(node.second, bt);
//			
//			auto new_id = bonusTypes.size();
//			
//			bonusTypes.push_back(bt);
			
            logBonus->warnStream() << "Adding new bonuses not implemented (" << node.first << ")";
		}
		else
		{
			CBonusType& bt = bonusTypes[it->second];
			
			loadItem(node.second, bt);
            logBonus->traceStream() << "Loaded bonus type " << node.first;
		}	
	}		
}