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/******************************************************************************
* Copyright (c) 2006, 2020, 2021 Borland Software Corporation, CEA LIST, Artal
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Artem Tikhomirov (Borland) - initial API and implementation
* Aurelien Didier (ARTAL) - aurelien.didier51@gmail.com - Bug 569174
* Etienne ALLOGO (ARTAL) - etienne.allogo@artal.fr - Bug 569174 - newline characters preference api consistency
*****************************************************************************/
package org.eclipse.papyrus.gmf.graphdef.codegen;
import java.lang.reflect.InvocationTargetException;
import java.net.URL;
import java.util.ArrayList;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.papyrus.gmf.common.UnexpectedBehaviourException;
import org.eclipse.papyrus.gmf.gmfgraph.Figure;
import org.eclipse.papyrus.gmf.gmfgraph.FigureDescriptor;
import org.eclipse.papyrus.gmf.internal.common.codegen.TextEmitter;
import org.eclipse.papyrus.gmf.internal.graphdef.codegen.Activator;
import org.eclipse.papyrus.gmf.internal.xpand.BufferOutput;
import org.eclipse.papyrus.gmf.internal.xpand.ResourceManager;
import org.eclipse.papyrus.gmf.internal.xpand.XpandFacade;
import org.eclipse.papyrus.gmf.internal.xpand.model.AmbiguousDefinitionException;
import org.eclipse.papyrus.gmf.internal.xpand.model.EvaluationException;
import org.eclipse.papyrus.gmf.internal.xpand.model.Scope;
import org.eclipse.papyrus.gmf.internal.xpand.model.Variable;
public class FigureGenerator implements TextEmitter {
private static final String VAR_MM_ACCESS = "mapModeAccessor";
private static final String VAR_RT_TOKEN = "runtimeToken";
private final ResourceManager resourceManager;
private final StringBuilder result = new StringBuilder();
private final ArrayList<Variable> globals = new ArrayList<Variable>();
private final boolean myIsInnerClassCode;
private String packageStatement;
/**
* XXX consider using enum for runtimeToken
* @param runtimeToken either "full" or null to indicate full GMF runtime use, any other value is to be processed by custom templates
* @param asInnerClass
*/
public FigureGenerator(String runtimeToken, String packageStmt, boolean asInnerClass) {
this(runtimeToken, packageStmt, MapModeCodeGenStrategy.DYNAMIC, "getMapMode().", asInnerClass);
}
public FigureGenerator(String runtimeToken, String packageStmt, MapModeCodeGenStrategy mapModeStrategy, String mapModeAccessor, boolean asInnerClass) {
this(runtimeToken, packageStmt, mapModeStrategy, mapModeAccessor, asInnerClass, null);
}
public FigureGenerator(String runtimeToken, String packageStmt, MapModeCodeGenStrategy mapModeStrategy, String mapModeAccessor, boolean asInnerClass, URL[] dynamicTemplates) {
myIsInnerClassCode = asInnerClass;
this.packageStatement = packageStmt;
if (mapModeStrategy == MapModeCodeGenStrategy.STATIC) {
if (mapModeAccessor != null && mapModeAccessor.trim().length() > 0) {
throw new IllegalArgumentException("Can't use map mode accessor with identity map mode");
}
}
if (mapModeStrategy == MapModeCodeGenStrategy.DYNAMIC) {
globals.add(new Variable(VAR_MM_ACCESS, EcorePackage.eINSTANCE.getEString(), mapModeAccessor == null ? "" : mapModeAccessor));
}
if (runtimeToken != null) {
globals.add(new Variable(VAR_RT_TOKEN, EcorePackage.eINSTANCE.getEString(), runtimeToken));
}
resourceManager = Activator.createResourceEngine(mapModeStrategy, dynamicTemplates);
}
public String getPackageName() {
return packageStatement;
}
public String fqnSwitch(Figure figure) {
try {
xpandFacade().evaluate("Runtime::fqn", figure, null);
} catch (AmbiguousDefinitionException e) {
throw new EvaluationException(e);
}
return result.toString();
}
/**
* @param packageStmt can be null if asInnerClass was true
* @param figure
*/
public String go(FigureDescriptor figure) {
try {
if (myIsInnerClassCode) {
xpandFacade().evaluate("top::Descriptor::Inner", figure, null);
} else {
xpandFacade().evaluate("top::Descriptor::Top", figure, new Object[] { packageStatement });
}
} catch (AmbiguousDefinitionException e) {
throw new EvaluationException(e);
}
return result.toString();
}
private XpandFacade xpandFacade() {
result.setLength(0);
BufferOutput bufferOutput = new BufferOutput(result);
return new XpandFacade(new Scope(resourceManager, globals, bufferOutput));
}
public String generate(IProgressMonitor monitor, Object[] arguments, String lineSeparator) throws InterruptedException, InvocationTargetException, UnexpectedBehaviourException {
if (arguments == null || arguments.length != 1 || false == arguments[0] instanceof FigureDescriptor) {
throw new UnexpectedBehaviourException("(FigureDescriptor) expected as arguments, not " + arguments);
}
return go((FigureDescriptor) arguments[0]);
}
}
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