X-Git-Url: http://secure.phpeclipse.com diff --git a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCompletionProcessor.java b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCompletionProcessor.java index a9b88fc..4d4acc5 100644 --- a/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCompletionProcessor.java +++ b/net.sourceforge.phpeclipse/src/net/sourceforge/phpeclipse/phpeditor/php/PHPCompletionProcessor.java @@ -11,141 +11,455 @@ Contributors: **********************************************************************/ package net.sourceforge.phpeclipse.phpeditor.php; -import java.text.MessageFormat; +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.AbstractContentOutlinePage; +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.CompletionProposal; -import org.eclipse.jface.text.contentassist.ContextInformation; 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; - } - }; - - protected final static String[] fgProposals = - { - "array", - "break", - "class", - "continue", - "do", - "echo", - "else", - "elseif", - "endfor", - "endif", - "for", - "if", - "while", - "endwhile", - "switch", - "case", - "endswitch", - "return", - "define", - "include", - "include_once", - "require", - "require_once", - "function", - "new", - "old_function", - "default", - "global", - "static", - "foreach", - "endforeach", - "extends", - "empty", - "isset", - "var" }; - - protected IContextInformationValidator fValidator = new Validator(); - - /* (non-Javadoc) - * Method declared on IContentAssistProcessor - */ - public ICompletionProposal[] computeCompletionProposals(ITextViewer viewer, int documentOffset) { - ICompletionProposal[] result = new ICompletionProposal[fgProposals.length]; - for (int i = 0; i < fgProposals.length; i++) { - IContextInformation info = new ContextInformation(fgProposals[i], MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.ContextInfo.pattern"), new Object[] { fgProposals[i] })); //$NON-NLS-1$ - result[i] = new CompletionProposal(fgProposals[i], documentOffset, 0, fgProposals[i].length(), null, fgProposals[i], info, MessageFormat.format(PHPEditorMessages.getString("CompletionProcessor.Proposal.hoverinfo.pattern"), new Object[] { fgProposals[i] })); //$NON-NLS-1$ - } - return result; - } - - /* (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; - } - - /* (non-Javadoc) - * Method declared on IContentAssistProcessor - */ - public char[] getCompletionProposalAutoActivationCharacters() { - return 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; - } + /** + * 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 true 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; + AbstractContentOutlinePage 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(); + 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; + } }