core: add env and isEnvSet functions to pragma context

src/core/scanenv.cpp

@@ -1,6 +1,7 @@
 #include "scanenv.hpp"
 
 #include <qcontainerfwd.h>
+#include <qtenvironmentvariables.h>
 
 #include "build.hpp"
 
@@ -19,4 +20,12 @@ bool PreprocEnv::hasVersion(int major, int minor, const QStringList& features) {
 	return QS_VERSION_MAJOR == major && QS_VERSION_MINOR == minor;
 }
 
+QString PreprocEnv::env(const QString& variable) {
+	return qEnvironmentVariable(variable.toStdString().c_str());
+}
+
+bool PreprocEnv::isEnvSet(const QString& variable) {
+	return qEnvironmentVariableIsSet(variable.toStdString().c_str());
+}
+
 } // namespace qs::scan::env

src/core/scanenv.hpp

@@ -12,6 +12,9 @@ class PreprocEnv: public QObject {
 public:
 	Q_INVOKABLE static bool
 	hasVersion(int major, int minor, const QStringList& features = QStringList());
+
+	Q_INVOKABLE static QString env(const QString& variable);
+	Q_INVOKABLE static bool isEnvSet(const QString& variable);
 };
 
 } // namespace qs::scan::env