+++ /dev/null
-/**********************************************************************
-Copyright (c) 2000, 2002 IBM Corp. and others.
-All rights reserved. This program and the accompanying materials
-are made available under the terms of the Common Public License v1.0
-which accompanies this distribution, and is available at
-http://www.eclipse.org/legal/cpl-v10.html
-
-Contributors:
- IBM Corporation - Initial implementation
- Klaus Hartlage - www.eclipseproject.de
-**********************************************************************/
-package net.sourceforge.phpeclipse.phpeditor.php;
-
-import java.util.ArrayList;
-import java.util.Arrays;
-import java.util.List;
-import java.util.SortedMap;
-
-import net.sourceforge.phpdt.core.ToolFactory;
-import net.sourceforge.phpdt.core.compiler.ITerminalSymbols;
-import net.sourceforge.phpdt.core.compiler.InvalidInputException;
-import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
-import net.sourceforge.phpdt.internal.corext.template.ContextType;
-import net.sourceforge.phpdt.internal.corext.template.ContextTypeRegistry;
-import net.sourceforge.phpdt.internal.corext.template.php.CompilationUnitContextType;
-import net.sourceforge.phpdt.internal.corext.template.php.PHPUnitContext;
-import net.sourceforge.phpdt.internal.ui.text.java.IPHPCompletionProposal;
-import net.sourceforge.phpdt.internal.ui.text.java.PHPCompletionProposalComparator;
-import net.sourceforge.phpdt.internal.ui.text.template.BuiltInEngine;
-import net.sourceforge.phpdt.internal.ui.text.template.DeclarationEngine;
-import net.sourceforge.phpdt.internal.ui.text.template.IdentifierEngine;
-import net.sourceforge.phpdt.internal.ui.text.template.TemplateEngine;
-import net.sourceforge.phpeclipse.PHPeclipsePlugin;
-import net.sourceforge.phpeclipse.builder.IdentifierIndexManager;
-import net.sourceforge.phpeclipse.phpeditor.JavaOutlinePage;
-import net.sourceforge.phpeclipse.phpeditor.PHPContentOutlinePage;
-import net.sourceforge.phpeclipse.phpeditor.PHPEditor;
-import net.sourceforge.phpeclipse.phpeditor.PHPSyntaxRdr;
-
-import org.eclipse.core.resources.IFile;
-import org.eclipse.core.resources.IProject;
-import org.eclipse.jface.text.BadLocationException;
-import org.eclipse.jface.text.IDocument;
-import org.eclipse.jface.text.ITextViewer;
-import org.eclipse.jface.text.TextPresentation;
-import org.eclipse.jface.text.contentassist.ICompletionProposal;
-import org.eclipse.jface.text.contentassist.IContentAssistProcessor;
-import org.eclipse.jface.text.contentassist.IContextInformation;
-import org.eclipse.jface.text.contentassist.IContextInformationExtension;
-import org.eclipse.jface.text.contentassist.IContextInformationPresenter;
-import org.eclipse.jface.text.contentassist.IContextInformationValidator;
-import org.eclipse.swt.graphics.Image;
-import org.eclipse.ui.IEditorPart;
-import org.eclipse.ui.IFileEditorInput;
-
-/**
- * Example PHP completion processor.
- */
-public class PHPCompletionProcessor implements IContentAssistProcessor {
-
- /**
- * Simple content assist tip closer. The tip is valid in a range
- * of 5 characters around its popup location.
- */
- protected static class Validator implements IContextInformationValidator, IContextInformationPresenter {
-
- protected int fInstallOffset;
-
- /*
- * @see IContextInformationValidator#isContextInformationValid(int)
- */
- public boolean isContextInformationValid(int offset) {
- return Math.abs(fInstallOffset - offset) < 5;
- }
-
- /*
- * @see IContextInformationValidator#install(IContextInformation, ITextViewer, int)
- */
- public void install(IContextInformation info, ITextViewer viewer, int offset) {
- fInstallOffset = offset;
- }
-
- /*
- * @see org.eclipse.jface.text.contentassist.IContextInformationPresenter#updatePresentation(int, TextPresentation)
- */
- public boolean updatePresentation(int documentPosition, TextPresentation presentation) {
- return false;
- }
- };
-
- private static class ContextInformationWrapper implements IContextInformation, IContextInformationExtension {
-
- private final IContextInformation fContextInformation;
- private int fPosition;
-
- public ContextInformationWrapper(IContextInformation contextInformation) {
- fContextInformation = contextInformation;
- }
-
- /*
- * @see IContextInformation#getContextDisplayString()
- */
- public String getContextDisplayString() {
- return fContextInformation.getContextDisplayString();
- }
-
- /*
- * @see IContextInformation#getImage()
- */
- public Image getImage() {
- return fContextInformation.getImage();
- }
-
- /*
- * @see IContextInformation#getInformationDisplayString()
- */
- public String getInformationDisplayString() {
- return fContextInformation.getInformationDisplayString();
- }
-
- /*
- * @see IContextInformationExtension#getContextInformationPosition()
- */
- public int getContextInformationPosition() {
- return fPosition;
- }
-
- public void setContextInformationPosition(int position) {
- fPosition = position;
- }
- };
-
- private char[] fProposalAutoActivationSet;
- protected IContextInformationValidator fValidator = new Validator();
- private TemplateEngine fTemplateEngine;
- private PHPCompletionProposalComparator fComparator;
- private int fNumberOfComputedResults = 0;
-
- public PHPCompletionProcessor() {
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null)
- fTemplateEngine = new TemplateEngine(contextType);
-
- fComparator = new PHPCompletionProposalComparator();
- }
-
- /**
- * Tells this processor to order the proposals alphabetically.
- *
- * @param order <code>true</code> if proposals should be ordered.
- */
- public void orderProposalsAlphabetically(boolean order) {
- fComparator.setOrderAlphabetically(order);
- }
-
- /**
- * Sets this processor's set of characters triggering the activation of the
- * completion proposal computation.
- *
- * @param activationSet the activation set
- */
- public void setCompletionProposalAutoActivationCharacters(char[] activationSet) {
- fProposalAutoActivationSet = activationSet;
- }
-
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) {
- int contextInformationPosition = guessContextInformationPosition(viewer, documentOffset);
- return internalComputeCompletionProposals(viewer, documentOffset, contextInformationPosition);
- }
-
- private int getLastToken(ITextViewer viewer, int completionPosition, PHPUnitContext context) {
- IDocument document = viewer.getDocument();
- int start = context.getStart();
- int end = context.getEnd();
-
- String startText;
- int lastSignificantToken = ITerminalSymbols.TokenNameEOF;
-
- try {
- // begin search 2 lines behind of this
- int j = start;
- if (j != 0) {
- char ch;
- while (j-- > 0) {
- ch = document.getChar(j);
- if (ch == '\n') {
- break;
- }
- }
- while (j-- > 0) {
- ch = document.getChar(j);
- if (ch == '\n') {
- break;
- }
- }
- }
- if (j != start) {
- // scan the line for the dereferencing operator '->'
- startText = document.get(j, start - j);
- // System.out.println(startText);
- Scanner scanner = ToolFactory.createScanner(false, false, false);
- scanner.setSource(startText.toCharArray());
- scanner.setPHPMode(true);
- int token = ITerminalSymbols.TokenNameEOF;
- int beforeLastToken = ITerminalSymbols.TokenNameEOF;
- int lastToken = ITerminalSymbols.TokenNameEOF;
-
- try {
- token = scanner.getNextToken();
- lastToken = token;
- while (token != ITerminalSymbols.TokenNameERROR && token != ITerminalSymbols.TokenNameEOF) {
- beforeLastToken = lastToken;
- lastToken = token;
- // System.out.println(scanner.toStringAction(lastToken));
- token = scanner.getNextToken();
- }
- } catch (InvalidInputException e1) {
- }
- switch (lastToken) {
- case ITerminalSymbols.TokenNameMINUS_GREATER :
- // dereferencing operator '->' found
- lastSignificantToken = ITerminalSymbols.TokenNameMINUS_GREATER;
- if (beforeLastToken == ITerminalSymbols.TokenNamethis) {
- lastSignificantToken = ITerminalSymbols.TokenNamethis;
- }
- break;
- case ITerminalSymbols.TokenNamenew :
- lastSignificantToken = ITerminalSymbols.TokenNamenew;
- break;
- }
- }
- } catch (BadLocationException e) {
- }
- return lastSignificantToken;
- }
-
- private ICompletionProposal[] internalComputeCompletionProposals(ITextViewer viewer, int offset, int contextOffset) {
- IDocument document = viewer.getDocument();
- Object[] identifiers = null;
- IFile file = null;
- IProject project = null;
- if (offset > 0) {
-
- PHPEditor editor = null;
-// JavaOutlinePage outlinePage = null;
-
- IEditorPart targetEditor = PHPeclipsePlugin.getActiveWorkbenchWindow().getActivePage().getActiveEditor();
- if (targetEditor != null && (targetEditor instanceof PHPEditor)) {
- editor = (PHPEditor) targetEditor;
- file = ((IFileEditorInput) editor.getEditorInput()).getFile();
- project = file.getProject();
-// outlinePage = editor.getfOutlinePage();
- // TODO: get the identifiers from the new model
-// if (outlinePage instanceof PHPContentOutlinePage) {
-// identifiers = ((PHPContentOutlinePage) outlinePage).getVariables();
-// }
- }
- }
-
- ContextType phpContextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- ((CompilationUnitContextType) phpContextType).setContextParameters(document, offset, 0);
-
- PHPUnitContext context = (PHPUnitContext) phpContextType.createContext();
- String prefix = context.getKey();
-
- int lastSignificantToken = getLastToken(viewer, offset, context);
- boolean useClassMembers =
- (lastSignificantToken == ITerminalSymbols.TokenNameMINUS_GREATER) ||
- (lastSignificantToken == ITerminalSymbols.TokenNamethis) ||
- (lastSignificantToken == ITerminalSymbols.TokenNamenew);
- boolean emptyPrefix = prefix == null || prefix.equals("");
-
- if (fTemplateEngine != null) {
- IPHPCompletionProposal[] templateResults = new IPHPCompletionProposal[0];
-
- ICompletionProposal[] results;
- if (!emptyPrefix) {
- fTemplateEngine.reset();
- fTemplateEngine.complete(viewer, offset); //, unit);
- templateResults = fTemplateEngine.getResults();
- }
-
- IPHPCompletionProposal[] identifierResults = new IPHPCompletionProposal[0];
- if ((!useClassMembers) && identifiers != null) {
- IdentifierEngine identifierEngine;
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null) {
- identifierEngine = new IdentifierEngine(contextType);
- identifierEngine.complete(viewer, offset, identifiers);
- identifierResults = identifierEngine.getResults();
- }
- }
-
- // declarations stored in file project.index on project level
- IPHPCompletionProposal[] declarationResults = new IPHPCompletionProposal[0];
- if (project != null) {
- DeclarationEngine declarationEngine;
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null) {
- IdentifierIndexManager indexManager = PHPeclipsePlugin.getDefault().getIndexManager(project);
- SortedMap sortedMap = indexManager.getIdentifierMap();
-
- declarationEngine = new DeclarationEngine(contextType, lastSignificantToken, file);
- declarationEngine.complete(viewer, offset, sortedMap);
- declarationResults = declarationEngine.getResults();
- }
- }
-
- // built in function names from phpsyntax.xml
- ArrayList syntaxbuffer = PHPSyntaxRdr.getSyntaxData();
- IPHPCompletionProposal[] builtinResults = new IPHPCompletionProposal[0];
- if ((!useClassMembers) && syntaxbuffer != null) {
- BuiltInEngine builtinEngine;
- String proposal;
-
- ContextType contextType = ContextTypeRegistry.getInstance().getContextType("php"); //$NON-NLS-1$
- if (contextType != null) {
- builtinEngine = new BuiltInEngine(contextType);
- builtinEngine.complete(viewer, offset, syntaxbuffer);
- builtinResults = builtinEngine.getResults();
- }
- }
-
- // concatenate the result arrays
- IPHPCompletionProposal[] total;
- total =
- new IPHPCompletionProposal[templateResults.length
- + identifierResults.length
- + builtinResults.length
- + declarationResults.length];
- System.arraycopy(templateResults, 0, total, 0, templateResults.length);
- System.arraycopy(identifierResults, 0, total, templateResults.length, identifierResults.length);
- System.arraycopy(builtinResults, 0, total, templateResults.length + identifierResults.length, builtinResults.length);
- System.arraycopy(
- declarationResults,
- 0,
- total,
- templateResults.length + identifierResults.length + builtinResults.length,
- declarationResults.length);
-
- results = total;
-
- fNumberOfComputedResults = (results == null ? 0 : results.length);
- /*
- * Order here and not in result collector to make sure that the order
- * applies to all proposals and not just those of the compilation unit.
- */
- return order(results);
- }
- return new IPHPCompletionProposal[0];
- }
-
- private int guessContextInformationPosition(ITextViewer viewer, int offset) {
- int contextPosition = offset;
-
- IDocument document = viewer.getDocument();
-
- // try {
- //
- // PHPCodeReader reader= new PHPCodeReader();
- // reader.configureBackwardReader(document, offset, true, true);
- //
- // int nestingLevel= 0;
- //
- // int curr= reader.read();
- // while (curr != PHPCodeReader.EOF) {
- //
- // if (')' == (char) curr)
- // ++ nestingLevel;
- //
- // else if ('(' == (char) curr) {
- // -- nestingLevel;
- //
- // if (nestingLevel < 0) {
- // int start= reader.getOffset();
- // if (looksLikeMethod(reader))
- // return start + 1;
- // }
- // }
- //
- // curr= reader.read();
- // }
- // } catch (IOException e) {
- // }
-
- return contextPosition;
- }
-
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- // public IContextInformation[] computeContextInformation(ITextViewer viewer, int documentOffset) {
- // IContextInformation[] result = new IContextInformation[5];
- // for (int i = 0; i < result.length; i++)
- // result[i] = new ContextInformation(MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.ContextInfo.display.pattern"), new Object[] { new Integer(i), new Integer(documentOffset)}), //$NON-NLS-1$
- // MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.ContextInfo.value.pattern"), new Object[] { new Integer(i), new Integer(documentOffset - 5), new Integer(documentOffset + 5)})); //$NON-NLS-1$
- // return result;
- // }
- /**
- * @see IContentAssistProcessor#computeContextInformation(ITextViewer, int)
- */
- public IContextInformation[] computeContextInformation(ITextViewer viewer, int offset) {
- int contextInformationPosition = guessContextInformationPosition(viewer, offset);
- List result = addContextInformations(viewer, contextInformationPosition);
- return (IContextInformation[]) result.toArray(new IContextInformation[result.size()]);
- }
-
- private List addContextInformations(ITextViewer viewer, int offset) {
- ICompletionProposal[] proposals = internalComputeCompletionProposals(viewer, offset, -1);
-
- List result = new ArrayList();
- for (int i = 0; i < proposals.length; i++) {
- IContextInformation contextInformation = proposals[i].getContextInformation();
- if (contextInformation != null) {
- ContextInformationWrapper wrapper = new ContextInformationWrapper(contextInformation);
- wrapper.setContextInformationPosition(offset);
- result.add(wrapper);
- }
- }
- return result;
- }
-
- /**
- * Order the given proposals.
- */
- private ICompletionProposal[] order(ICompletionProposal[] proposals) {
- Arrays.sort(proposals, fComparator);
- return proposals;
- }
-
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- public char[] getCompletionProposalAutoActivationCharacters() {
- return fProposalAutoActivationSet;
- // return null; // new char[] { '$' };
- }
-
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- public char[] getContextInformationAutoActivationCharacters() {
- return new char[] {
- };
- }
-
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- public IContextInformationValidator getContextInformationValidator() {
- return fValidator;
- }
-
- /* (non-Javadoc)
- * Method declared on IContentAssistProcessor
- */
- public String getErrorMessage() {
- return null;
- }
-}
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