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/*******************************************************************************
* Copyright (c) 2000, 2007 IBM Corporation and others.
* 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:
* IBM Corporation - initial API and implementation
* QNX Software System
* Anton Leherbauer (Wind River Systems)
*******************************************************************************/
package org.eclipse.cdt.internal.corext.template.c;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.Position;
import org.eclipse.jface.text.templates.GlobalTemplateVariables;
import org.eclipse.jface.text.templates.TemplateContext;
import org.eclipse.jface.text.templates.TemplateContextType;
import org.eclipse.jface.text.templates.TemplateVariableResolver;
import org.eclipse.cdt.core.model.ICElement;
import org.eclipse.cdt.core.model.ICProject;
import org.eclipse.cdt.core.model.IFunctionDeclaration;
import org.eclipse.cdt.core.model.ITranslationUnit;
import org.eclipse.cdt.internal.corext.codemanipulation.StubUtility;
/**
* A context type for translation units.
*/
public abstract class TranslationUnitContextType extends TemplateContextType {
protected static class ReturnType extends TemplateVariableResolver {
public ReturnType() {
super("return_type", TemplateMessages.CContextType_variable_description_return_type); //$NON-NLS-1$
}
public String resolve(TemplateContext context) {
ICElement element= ((TranslationUnitContext) context).findEnclosingElement(ICElement.C_METHOD);
if (element == null) {
element= ((TranslationUnitContext) context).findEnclosingElement(ICElement.C_FUNCTION);
}
if (element == null) {
return null;
}
if (element instanceof IFunctionDeclaration) {
return ((IFunctionDeclaration) element).getReturnType();
}
return null;
}
}
protected static class File extends TemplateVariableResolver {
public File() {
super("file", TemplateMessages.CContextType_variable_description_file); //$NON-NLS-1$
}
public String resolve(TemplateContext context) {
ITranslationUnit unit= ((TranslationUnitContext) context).getTranslationUnit();
return (unit == null) ? null : unit.getElementName();
}
}
protected static class EnclosingCElement extends TemplateVariableResolver {
protected final int fElementType;
public EnclosingCElement(String name, String description, int elementType) {
super(name, description);
fElementType= elementType;
}
public String resolve(TemplateContext context) {
ICElement element= ((TranslationUnitContext) context).findEnclosingElement(fElementType);
return (element == null) ? null : element.getElementName();
}
}
protected static class Method extends EnclosingCElement {
public Method() {
super("enclosing_method", TemplateMessages.CContextType_variable_description_enclosing_method, ICElement.C_METHOD); //$NON-NLS-1$
}
}
protected static class Project extends TemplateVariableResolver {
public Project() {
super("enclosing_project", TemplateMessages.CContextType_variable_description_enclosing_project); //$NON-NLS-1$
}
public String resolve(TemplateContext context) {
ITranslationUnit unit= ((TranslationUnitContext) context).getTranslationUnit();
return (unit == null) ? null : unit.getCProject().getElementName();
}
}
protected static class Arguments extends TemplateVariableResolver {
public Arguments() {
super("enclosing_method_arguments", TemplateMessages.CContextType_variable_description_enclosing_method_arguments); //$NON-NLS-1$
}
public String resolve(TemplateContext context) {
ICElement element= ((TranslationUnitContext) context).findEnclosingElement(ICElement.C_FUNCTION);
if (element == null) {
element= ((TranslationUnitContext) context).findEnclosingElement(ICElement.C_FUNCTION_DECLARATION);
if (element == null) {
element= ((TranslationUnitContext) context).findEnclosingElement(ICElement.C_METHOD);
if (element == null) {
element= ((TranslationUnitContext) context).findEnclosingElement(ICElement.C_METHOD_DECLARATION);
}
}
}
if (element instanceof IFunctionDeclaration) {
String[] arguments= ((IFunctionDeclaration)element).getParameterTypes();
StringBuffer buffer= new StringBuffer();
for (int i= 0; i < arguments.length; i++) {
if (i > 0)
buffer.append(", "); //$NON-NLS-1$
buffer.append(arguments[i]);
}
return buffer.toString();
}
return null;
}
}
protected static class Todo extends TemplateVariableResolver {
public Todo() {
super("todo", TemplateMessages.CContextType_variable_description_todo); //$NON-NLS-1$
}
protected String resolve(TemplateContext context) {
TranslationUnitContext cContext= (TranslationUnitContext) context;
ITranslationUnit tUnit= cContext.getTranslationUnit();
if (tUnit == null)
return "XXX"; //$NON-NLS-1$
ICProject cProject= tUnit.getCProject();
String todoTaskTag= StubUtility.getTodoTaskTag(cProject);
if (todoTaskTag == null)
return "XXX"; //$NON-NLS-1$
return todoTaskTag;
}
}
/*
* @see TemplateContextType#TemplateContextType()
*/
public TranslationUnitContextType() {
super();
// global
addResolver(new GlobalTemplateVariables.Cursor());
addResolver(new GlobalTemplateVariables.WordSelection());
addResolver(new GlobalTemplateVariables.LineSelection());
addResolver(new GlobalTemplateVariables.Dollar());
addResolver(new GlobalTemplateVariables.Date());
addResolver(new GlobalTemplateVariables.Year());
addResolver(new GlobalTemplateVariables.Time());
addResolver(new GlobalTemplateVariables.User());
// translation unit
addResolver(new File());
addResolver(new ReturnType());
addResolver(new Method());
addResolver(new Project());
addResolver(new Arguments());
addResolver(new Todo());
}
public abstract TranslationUnitContext createContext(IDocument document, int offset, int length, ITranslationUnit translationUnit);
public abstract TranslationUnitContext createContext(IDocument document, Position position, ITranslationUnit translationUnit);
}
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