Rewrite JSONSchemaChecker to QT (#128)

* Add files via upload

* Update CMakeLists.txt

* Add files via upload

* Update TestConfigFile.cpp

* Update TestConfigFile.cpp

* Update TestConfigFile.cpp

* Update QJsonFactory.h

include/utils/jsonschema/QJsonFactory.h

@@ -0,0 +1,88 @@
+#pragma once
+
+#include <iostream>
+#include <string>
+#include <stdexcept>
+#include <sstream>
+
+// JSON-Schema includes
+#include <utils/jsonschema/QJsonSchemaChecker.h>
+
+#include <QFile>
+#include <QString>
+#include <QJsonObject>
+#include <QJsonDocument>
+#include <QRegularExpression>
+
+class QJsonFactory
+{
+public:
+
+	static int load(const QString& schema, const QString& config, QJsonObject& json)
+	{
+		// Load the schema and the config trees
+		QJsonObject schemaTree = readJson(schema);
+		QJsonObject configTree = readJson(config);
+
+		// create the validator
+		QJsonSchemaChecker schemaChecker;
+		schemaChecker.setSchema(schemaTree);
+
+		bool valid = schemaChecker.validate(configTree);
+		
+		for (std::list<std::string>::const_iterator i = schemaChecker.getMessages().begin(); i != schemaChecker.getMessages().end(); ++i)
+		{
+			std::cout << *i << std::endl;
+		}
+		
+		if (!valid)
+		{
+			std::cerr << "Validation failed for configuration file: " << config.toStdString() << std::endl;
+			return -3;
+		}
+
+		json = configTree;
+		return 0;
+	}
+	
+	static QJsonObject readJson(const QString& path)
+	{
+		QFile file(path);
+		QJsonParseError error;
+		
+		if (!file.open(QIODevice::ReadOnly))
+		{
+			std::stringstream sstream;
+			sstream << "Configuration file not found: " << file.errorString().toStdString();
+			throw std::runtime_error(sstream.str());
+		}
+
+		QString config = QString(file.readAll());
+		config.remove(QRegularExpression("([^:]?\\/\\/.*)"));
+		
+		QJsonDocument doc = QJsonDocument::fromJson(config.toUtf8(), &error);
+		
+		if (error.error != QJsonParseError::NoError)
+		{
+			// report to the user the failure and their locations in the document.
+			int errorLine(0), errorColumn(0);
+			
+			for( int i=0, count=qMin( error.offset,config.size()); i<count; ++i )
+			{
+				++errorColumn;
+				if(config.at(i) == '\n' )
+				{
+					errorColumn = 0;
+					++errorLine;
+				}
+			}
+			
+			std::stringstream sstream;
+			sstream << "Failed to parse configuration: " << error.errorString().toStdString() << " at Line: " << errorLine << ", Column: " << errorColumn;
+			throw std::runtime_error(sstream.str());
+		}
+		
+		file.close();
+		return doc.object();
+	}
+};