Inital commit

.gitignore

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+*.o
+*.exe
+.qmake.stash
+Makefile
+qml-validator

README.md

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+# QML Validator
+
+QML Validator is a small utility which simply loads the input file and show any
+errors that could occur when doing so. It uses QCoreApplication, and as such it
+doesn't require a graphical environment to run, as opposed to qmlscene for
+example, and as such may be used in situation where a graphical environment
+isn't available, such as a continuous integration script.
+
+## Usage
+
+```
+qml-validator <input-file>
+```

main.cpp

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+#include <iostream>
+#include <QQmlComponent>
+#include <QQmlEngine>
+#include <QCoreApplication>
+
+std::ostream& operator<<(std::ostream& os, const QString s){
+	return os << s.toStdString();
+}
+
+int main(int argc, char** argv){
+	if(argc < 2){
+		std::cout << "Usage: qml-validator <qmlfile>" << std::endl;
+		return 1;
+	}
+
+	QCoreApplication app(argc, argv);
+	QQmlEngine engine;
+	QQmlComponent component(&engine);
+	QObject::connect(&component, &QQmlComponent::statusChanged,
+			 [&component, argv](QQmlComponent::Status status){
+		if(status == QQmlComponent::Status::Null){
+			std::cout << "Component is Null." << std::endl;
+		}else if(status == QQmlComponent::Status::Ready){
+			// OK!
+		}else if(status == QQmlComponent::Status::Loading){
+			std::cout << "Component is Loading." << std::endl;
+		}else if(status == QQmlComponent::Status::Error){
+			std::cout << "Errors happened while loading " << argv[1]
+				  << ": " << std::endl;
+			for(QQmlError error : component.errors()){
+				std::cout << error.toString() << std::endl;
+			}
+			exit(1);
+		}
+	});
+	component.loadUrl(QUrl(argv[1]));
+}

qml-validator.pro

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+QT += qml
+
+SOURCES += main.cpp