refactored handler classes of XMLParser into own files in core/parser/stack.

1 files changed, 276 insertions, 0 deletions

diff --git a/src/core/parser/stack/DomainHandler.cpp b/src/core/parser/stack/DomainHandler.cpp
new file mode 100644
index 0000000..d1a23a5
--- /dev/null
+++ b/src/core/parser/stack/DomainHandler.cpp
@@ -0,0 +1,276 @@
+/*
+    Ousía
+    Copyright (C) 2014, 2015  Benjamin Paaßen, Andreas Stöckel
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include "DomainHandler.hpp"
+
+#include <core/common/RttiBuilder.hpp>
+#include <core/model/Domain.hpp>
+#include <core/parser/ParserScope.hpp>
+
+namespace ousia {
+
+/* DomainHandler */
+
+void DomainHandler::start(Variant::mapType &args)
+{
+	Rooted<Domain> domain = project()->createDomain(args["name"].asString());
+	domain->setLocation(location());
+
+	scope().push(domain);
+}
+
+void DomainHandler::end() { scope().pop(); }
+
+/* DomainStructHandler */
+
+void DomainStructHandler::start(Variant::mapType &args)
+{
+	scope().setFlag(ParserFlag::POST_HEAD, true);
+
+	Rooted<Domain> domain = scope().selectOrThrow<Domain>();
+
+	Rooted<StructuredClass> structuredClass = domain->createStructuredClass(
+	    args["name"].asString(), args["cardinality"].asCardinality(), nullptr,
+	    args["transparent"].asBool(), args["isRoot"].asBool());
+	structuredClass->setLocation(location());
+
+	const std::string &isa = args["isa"].asString();
+	if (!isa.empty()) {
+		scope().resolve<StructuredClass>(
+		    isa, structuredClass, logger(),
+		    [](Handle<Node> superclass, Handle<Node> structuredClass,
+		       Logger &logger) {
+			    if (superclass != nullptr) {
+				    structuredClass.cast<StructuredClass>()->setSuperclass(
+				        superclass.cast<StructuredClass>(), logger);
+			    }
+			});
+	}
+
+	scope().push(structuredClass);
+}
+
+void DomainStructHandler::end() { scope().pop(); }
+
+/* DomainAnnotationHandler */
+void DomainAnnotationHandler::start(Variant::mapType &args)
+{
+	scope().setFlag(ParserFlag::POST_HEAD, true);
+
+	Rooted<Domain> domain = scope().selectOrThrow<Domain>();
+
+	Rooted<AnnotationClass> annotationClass =
+	    domain->createAnnotationClass(args["name"].asString());
+	annotationClass->setLocation(location());
+
+	scope().push(annotationClass);
+}
+
+void DomainAnnotationHandler::end() { scope().pop(); }
+
+/* DomainAttributesHandler */
+
+void DomainAttributesHandler::start(Variant::mapType &args)
+{
+	// Fetch the current typesystem and create the struct node
+	Rooted<Descriptor> parent = scope().selectOrThrow<Descriptor>();
+
+	Rooted<StructType> attrDesc = parent->getAttributesDescriptor();
+	attrDesc->setLocation(location());
+
+	scope().push(attrDesc);
+}
+
+void DomainAttributesHandler::end() { scope().pop(); }
+
+/* DomainFieldHandler */
+
+void DomainFieldHandler::start(Variant::mapType &args)
+{
+	FieldDescriptor::FieldType type;
+	if (args["isSubtree"].asBool()) {
+		type = FieldDescriptor::FieldType::SUBTREE;
+	} else {
+		type = FieldDescriptor::FieldType::TREE;
+	}
+
+	Rooted<Descriptor> parent = scope().selectOrThrow<Descriptor>();
+
+	Rooted<FieldDescriptor> field = parent->createFieldDescriptor(
+	    logger(), type, args["name"].asString(), args["optional"].asBool());
+	field->setLocation(location());
+
+	scope().push(field);
+}
+
+void DomainFieldHandler::end() { scope().pop(); }
+
+/* DomainFieldRefHandler */
+
+void DomainFieldRefHandler::start(Variant::mapType &args)
+{
+	Rooted<Descriptor> parent = scope().selectOrThrow<Descriptor>();
+
+	const std::string &name = args["ref"].asString();
+	scope().resolveFieldDescriptor(
+	    name, parent, logger(),
+	    [](Handle<Node> field, Handle<Node> parent, Logger &logger) {
+		    if (field != nullptr) {
+			    parent.cast<StructuredClass>()->addFieldDescriptor(
+			        field.cast<FieldDescriptor>(), logger);
+		    }
+		});
+}
+
+void DomainFieldRefHandler::end() {}
+
+/* DomainPrimitiveHandler */
+
+void DomainPrimitiveHandler::start(Variant::mapType &args)
+{
+	Rooted<Descriptor> parent = scope().selectOrThrow<Descriptor>();
+
+	FieldDescriptor::FieldType fieldType;
+	if (args["isSubtree"].asBool()) {
+		fieldType = FieldDescriptor::FieldType::SUBTREE;
+	} else {
+		fieldType = FieldDescriptor::FieldType::TREE;
+	}
+
+	Rooted<FieldDescriptor> field = parent->createPrimitiveFieldDescriptor(
+	    nullptr, logger(), fieldType, args["name"].asString(),
+	    args["optional"].asBool());
+	field->setLocation(location());
+
+	const std::string &type = args["type"].asString();
+	scope().resolve<Type>(type, field, logger(),
+	                      [](Handle<Node> type, Handle<Node> field,
+	                         Logger &logger) {
+		if (type != nullptr) {
+			field.cast<FieldDescriptor>()->setPrimitiveType(type.cast<Type>());
+		}
+	});
+
+	scope().push(field);
+}
+
+void DomainPrimitiveHandler::end() { scope().pop(); }
+
+/* DomainChildHandler */
+
+void DomainChildHandler::start(Variant::mapType &args)
+{
+	Rooted<FieldDescriptor> field = scope().selectOrThrow<FieldDescriptor>();
+
+	const std::string &ref = args["ref"].asString();
+	scope().resolve<StructuredClass>(
+	    ref, field, logger(),
+	    [](Handle<Node> child, Handle<Node> field, Logger &logger) {
+		    if (child != nullptr) {
+			    field.cast<FieldDescriptor>()->addChild(
+			        child.cast<StructuredClass>());
+		    }
+		});
+}
+
+void DomainChildHandler::end() {}
+
+/* DomainParentHandler */
+
+void DomainParentHandler::start(Variant::mapType &args)
+{
+	Rooted<StructuredClass> strct = scope().selectOrThrow<StructuredClass>();
+
+	Rooted<DomainParent> parent{
+	    new DomainParent(strct->getManager(), args["ref"].asString(), strct)};
+	parent->setLocation(location());
+	scope().push(parent);
+}
+
+void DomainParentHandler::end() { scope().pop(); }
+
+/* DomainParentFieldHandler */
+void DomainParentFieldHandler::start(Variant::mapType &args)
+{
+	Rooted<DomainParent> parentNameNode = scope().selectOrThrow<DomainParent>();
+	FieldDescriptor::FieldType type;
+	if (args["isSubtree"].asBool()) {
+		type = FieldDescriptor::FieldType::SUBTREE;
+	} else {
+		type = FieldDescriptor::FieldType::TREE;
+	}
+
+	const std::string &name = args["name"].asString();
+	const bool optional = args["optional"].asBool();
+	Rooted<StructuredClass> strct =
+	    parentNameNode->getParent().cast<StructuredClass>();
+
+	// resolve the parent, create the declared field and add the declared
+	// StructuredClass as child to it.
+	scope().resolve<Descriptor>(
+	    parentNameNode->getName(), strct, logger(),
+	    [type, name, optional](Handle<Node> parent, Handle<Node> strct,
+	                           Logger &logger) {
+		    if (parent != nullptr) {
+			    Rooted<FieldDescriptor> field =
+			        parent.cast<Descriptor>()->createFieldDescriptor(
+			            logger, type, name, optional);
+			    field->addChild(strct.cast<StructuredClass>());
+		    }
+		});
+}
+
+void DomainParentFieldHandler::end() {}
+
+/* DomainParentFieldRefHandler */
+
+void DomainParentFieldRefHandler::start(Variant::mapType &args)
+{
+	Rooted<DomainParent> parentNameNode = scope().selectOrThrow<DomainParent>();
+
+	const std::string &name = args["ref"].asString();
+	Rooted<StructuredClass> strct =
+	    parentNameNode->getParent().cast<StructuredClass>();
+	auto loc = location();
+
+	// resolve the parent, get the referenced field and add the declared
+	// StructuredClass as child to it.
+	scope().resolve<Descriptor>(
+	    parentNameNode->getName(), strct, logger(),
+	    [name, loc](Handle<Node> parent, Handle<Node> strct, Logger &logger) {
+		    if (parent != nullptr) {
+			    Rooted<FieldDescriptor> field =
+			        parent.cast<Descriptor>()->getFieldDescriptor(name);
+			    if (field == nullptr) {
+				    logger.error(
+				        std::string("Could not find referenced field ") + name,
+				        loc);
+				    return;
+			    }
+			    field->addChild(strct.cast<StructuredClass>());
+		    }
+		});
+}
+
+void DomainParentFieldRefHandler::end() {}
+
+namespace RttiTypes {
+const Rtti DomainParent =
+    RttiBuilder<ousia::DomainParent>("DomainParent").parent(&Node);
+}
+}