Generic GRANT/REVOKE generation from ACL's complete.

Moved the owned concept to PgServerObject as it is needed for the generic
acl functionality that is also in PgServerObject.

pglablib/catalog/PgAcl.h

@@ -0,0 +1,61 @@
+#ifndef PGACL_H
+#define PGACL_H
+
+#include "Pgsql_Value.h"
+#include <QString>
+#include <vector>
+
+enum class Privilege {
+	Select,
+	Update,
+	Insert,
+	Delete,
+	Truncate,
+	References,
+	Trigger,
+	Execute,
+	Usage,
+	Create,
+	Connect,
+	Temporary
+};
+
+char privilegeToChar(Privilege p);
+
+enum class PrivValue {
+	No, Yes, YesWithGrant
+};
+
+class PgAcl {
+public:
+	PgAcl() = default;
+	explicit PgAcl(const QString &acl);
+	void setFromString(const QString &acl);
+
+	PrivValue privilege(Privilege priv) const;
+	PrivValue privilege(char c) const;
+	const QString& grantee() const { return m_grantee; }
+	const QString& grantor() const { return m_grantor; }
+	QString singleString() const;
+
+	QString sql(const QString &all_pattern, const QString &grant_on_object, const QString &column) const;
+	// Returns true when the list of privileges is empty
+	bool empty() const;
+private:
+	QString m_grantee;
+	QString m_grantor;
+	QString m_privileges;
+
+};
+
+using AclList = std::vector<PgAcl>;
+
+void operator<<(PgAcl &acl, const Pgsql::Value &v);
+
+namespace Pgsql {
+	template <>
+	PgAcl StringToArrayElem<PgAcl>(std::string_view sv);
+}
+
+
+#endif // PGACL_H