/*******************************************************************************
* Copyright (c) 2009 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
* Zend Technologies
*******************************************************************************/
package org.eclipse.php.internal.core.codeassist.strategies;
import org.eclipse.dltk.core.ModelException;
import org.eclipse.dltk.internal.core.SourceRange;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.php.core.codeassist.ICompletionContext;
import org.eclipse.php.core.codeassist.IElementFilter;
import org.eclipse.php.core.compiler.PHPFlags;
import org.eclipse.php.internal.core.PHPCorePlugin;
import org.eclipse.php.internal.core.PHPVersion;
import org.eclipse.php.internal.core.codeassist.ICompletionReporter;
import org.eclipse.php.internal.core.codeassist.contexts.FunctionParameterTypeContext;
import org.eclipse.php.internal.core.language.keywords.PHPKeywords.KeywordData;
/**
* This strategy completes keywords that can be shown in a method parameters
* completion context
*
* @author vadim.p
*
*/
public class FunctionParameterKeywordTypeStrategy extends KeywordsStrategy {
private static final String CALLABLE = "callable"; //$NON-NLS-1$
public static final String[] KEYWORDS = { "self", "parent" }; //$NON-NLS-1$ //$NON-NLS-2$
/**
* @param context
* @param elementFilter
*/
public FunctionParameterKeywordTypeStrategy(ICompletionContext context,
IElementFilter elementFilter) {
super(context, elementFilter);
}
/**
* @param context
*/
public FunctionParameterKeywordTypeStrategy(ICompletionContext context) {
super(context);
}
public void apply(ICompletionReporter reporter) throws BadLocationException {
FunctionParameterTypeContext context = (FunctionParameterTypeContext) getContext();
String prefix = context.getPrefix();
String suffix = ""; //$NON-NLS-1$
SourceRange replaceRange = getReplacementRange(context);
if (context.getEnclosingType() != null) {
try {
int flags = context.getEnclosingType().getFlags();
if (!PHPFlags.isNamespace(flags)) {
String pref = PHPVersion.PHP5_4.isLessThan(context
.getPhpVersion()) ? prefix.toLowerCase() : prefix;
for (String keyword : KEYWORDS) {
if (keyword.startsWith(pref)) {
reporter.reportKeyword(keyword, suffix,
replaceRange);
}
}
}
} catch (ModelException e) {
PHPCorePlugin.log(e);
}
}
PHPVersion phpVersion = context.getPhpVersion();
if (phpVersion.isGreaterThan(PHPVersion.PHP5_3)) {
if (CALLABLE.startsWith(prefix)) {
reporter.reportKeyword(CALLABLE, suffix, replaceRange);
}
}
}
/*
* (non-Javadoc)
*
* @see
* org.eclipse.php.internal.core.codeassist.strategies.KeywordsStrategy#
* filterKeyword
* (org.eclipse.php.internal.core.language.keywords.PHPKeywords.KeywordData)
*/
@Override
protected boolean filterKeyword(KeywordData keyword) {
return true;
}
}