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/*******************************************************************************
* Copyright (c) 2006 - 2012 CEA LIST.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* CEA LIST - initial API and implementation
*******************************************************************************/
package org.eclipse.papyrus.cpp.codegen.transformation;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.ToolFactory;
import org.eclipse.cdt.core.formatter.CodeFormatter;
import org.eclipse.core.resources.IContainer;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.Platform;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.Document;
import org.eclipse.jface.text.IDocument;
import org.eclipse.papyrus.C_Cpp.CppRoot;
import org.eclipse.papyrus.C_Cpp.ExternLibrary;
import org.eclipse.papyrus.C_Cpp.External;
import org.eclipse.papyrus.C_Cpp.Include;
import org.eclipse.papyrus.C_Cpp.ManualGeneration;
import org.eclipse.papyrus.C_Cpp.NoCodeGen;
import org.eclipse.papyrus.C_Cpp.Template;
import org.eclipse.papyrus.acceleo.AcceleoDriver;
import org.eclipse.papyrus.acceleo.AcceleoException;
import org.eclipse.papyrus.acceleo.GenUtils;
import org.eclipse.papyrus.acceleo.ModelElementsCreator;
import org.eclipse.papyrus.cpp.codegen.Activator;
import org.eclipse.papyrus.cpp.codegen.preferences.CppCodeGenUtils;
import org.eclipse.text.edits.MalformedTreeException;
import org.eclipse.text.edits.TextEdit;
import org.eclipse.uml2.uml.Class;
import org.eclipse.uml2.uml.Classifier;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.Namespace;
import org.eclipse.uml2.uml.Package;
import org.eclipse.uml2.uml.util.UMLUtil;
/**
* Main class of code generator
*/
public class CppModelElementsCreator extends ModelElementsCreator {
public static final String ACCELEO_PREFIX = "org::eclipse::papyrus::cpp::codegen::acceleo::"; //$NON-NLS-1$
public static final String CppClassBody = ACCELEO_PREFIX + "CppClassBody"; //$NON-NLS-1$
public static final String CppClassHeader = ACCELEO_PREFIX + "CppClassHeader"; //$NON-NLS-1$
public static final String CppBindBody = ACCELEO_PREFIX + "CppBindBody"; //$NON-NLS-1$
public static final String CppBindHeader = ACCELEO_PREFIX + "CppBindHeader"; //$NON-NLS-1$
public static final String CppPackageHeader = ACCELEO_PREFIX + "CppPackageHeader"; //$NON-NLS-1$
public static final String DOT = "."; //$NON-NLS-1$
/**
*
* Constructor.
*
* @param project
* the project in which the generated code should be placed
*/
public CppModelElementsCreator(IProject project) {
super(project, CppCodeGenUtils.getCommentHeader());
hppExt = CppCodeGenUtils.getHeaderSuffix();
cppExt = CppCodeGenUtils.getBodySuffix();
}
/**
*
* Constructor.
*
* @param project
* the project in which the generated code should be placed
* @param commentHeader
* Custom prefix for each generated file
*/
public CppModelElementsCreator(IProject project, String commentHeader) {
super(project, commentHeader);
hppExt = CppCodeGenUtils.getHeaderSuffix();
cppExt = CppCodeGenUtils.getBodySuffix();
}
protected String hppExt;
protected String cppExt;
/**
* Creates the files corresponding to the class. For a "simple" class
* generates 2 headers (one for the privates concrete operations and one for
* the attributes, public operations and virtual / abstract operations and
* one body file.
*
* @param folder
* @param classifier
* @throws CoreException
*/
protected void createClassifierFiles(IContainer container, Classifier classifier) throws CoreException {
// treat case of manual code generation
if(GenUtils.hasStereotype(classifier, ManualGeneration.class)) {
ManualGeneration mg = UMLUtil.getStereotypeApplication(classifier, ManualGeneration.class);
Include cppInclude = UMLUtil.getStereotypeApplication(classifier, Include.class);
try {
String fileContent = commentHeader +
AcceleoDriver.evaluate(cppInclude.getHeader(), classifier, null);
createFile(container, classifier.getName() + DOT + hppExt, fileContent, true);
// String manualURI = "TODO";
// fileContent = AcceleoDriver.evaluateURI(new URI(CppPackageHeader)), classifier);
fileContent = commentHeader +
AcceleoDriver.evaluate(cppInclude.getPreBody(), classifier, null) + GenUtils.NL +
AcceleoDriver.evaluate(cppInclude.getBody(), classifier, null) + GenUtils.NL;
String ext = GenUtils.maskNull(mg.getExtensionBody());
if(ext.length() == 0) {
ext = cppExt;
}
createFile(container, classifier.getName() + DOT + ext, fileContent, true);
}
catch (AcceleoException e) {
Activator.log.error(e);
}
}
// Only generate when no CppNoCodeGen stereotype is applied to the class
else if((!noCodeGen(classifier)) &&
(!GenUtils.hasStereotype(classifier, Template.class))) {
// Template Bound Class
if(GenUtils.isTemplateBoundElement(classifier)) {
// TODO: Acceleo template is only defined for class (not for all classifiers)
String fileContent = commentHeader + AcceleoDriver.evaluateURI(CppBindHeader, classifier);
createFile(container, classifier.getName() + DOT + hppExt, fileContent, true);
fileContent = commentHeader + AcceleoDriver.evaluateURI(CppBindBody, classifier);
createFile(container, classifier.getName() + DOT + cppExt, fileContent, true);
}
else {
// Header file generation
String fileContent = commentHeader + AcceleoDriver.evaluateURI(CppClassHeader, classifier);
createFile(container, classifier.getName() + DOT + hppExt, fileContent, true);
// Create class body
if(classifier instanceof Class) {
fileContent = commentHeader + AcceleoDriver.evaluateURI(CppClassBody, classifier);
createFile(container, classifier.getName() + DOT + cppExt, fileContent, true);
}
}
}
}
@Override
protected void createFile(IFile file, String content, boolean force) throws CoreException {
String formatted = format(content);
super.createFile(file, formatted, force);
}
/**
* Apply the user's currently selected formatting options to the input content. Return the
* input String in case of error.
*/
private static String format(String content) {
// do nothing if the CDT plugin is not loaded
if (Platform.getBundle(CCorePlugin.PLUGIN_ID) == null)
return content;
CodeFormatter codeFormatter = ToolFactory.createCodeFormatter(null);
IDocument doc = new Document(content);
TextEdit edit = codeFormatter.format(CodeFormatter.K_TRANSLATION_UNIT, doc.get(), 0, doc.get().length(), 0, null);
if (edit == null) {
Activator.log.debug("Cannot format content");
return content;
}
try {
edit.apply(doc);
return doc.get();
} catch (MalformedTreeException e) {
Activator.log.error(e);
} catch (BadLocationException e) {
Activator.log.error(e);
}
return content;
}
@Override
protected void createPackageFiles(IContainer packageContainer, IProgressMonitor monitor, Package pkg) throws CoreException {
// Creates the header for the package.
String fileContent = commentHeader + AcceleoDriver.evaluateURI(CppPackageHeader, pkg);
createFile(packageContainer, "Pkg_" + pkg.getName() + DOT + hppExt, fileContent, true); //$NON-NLS-1$
}
protected boolean isRoot(Namespace ns) {
return GenUtils.hasStereotype(ns, CppRoot.class);
}
protected boolean noCodeGen(Element element) {
return
GenUtils.hasStereotype(element, NoCodeGen.class) ||
GenUtils.hasStereotype(element, External.class) ||
GenUtils.hasStereotypeTree(element, ExternLibrary.class);
}
}
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