/*******************************************************************************
* Copyright (c) 2000, 2017 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
*
*******************************************************************************/
package org.eclipse.dltk.internal.ui.search;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.ISafeRunnable;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.PerformanceStats;
import org.eclipse.core.runtime.SafeRunner;
import org.eclipse.core.runtime.Status;
import org.eclipse.core.runtime.SubProgressMonitor;
import org.eclipse.dltk.core.IDLTKLanguageToolkit;
import org.eclipse.dltk.core.IModelElement;
import org.eclipse.dltk.core.search.IDLTKSearchConstants;
import org.eclipse.dltk.core.search.SearchEngine;
import org.eclipse.dltk.core.search.SearchParticipant;
import org.eclipse.dltk.core.search.SearchPattern;
import org.eclipse.dltk.internal.corext.util.Messages;
import org.eclipse.dltk.internal.corext.util.SearchUtils;
import org.eclipse.dltk.ui.DLTKPluginImages;
import org.eclipse.dltk.ui.DLTKUIPlugin;
import org.eclipse.dltk.ui.ScriptElementLabels;
import org.eclipse.dltk.ui.search.ElementQuerySpecification;
import org.eclipse.dltk.ui.search.IMatchPresentation;
import org.eclipse.dltk.ui.search.IQueryParticipant;
import org.eclipse.dltk.ui.search.ISearchRequestor;
import org.eclipse.dltk.ui.search.PatternQuerySpecification;
import org.eclipse.dltk.ui.search.QuerySpecification;
import org.eclipse.jface.resource.ImageDescriptor;
import org.eclipse.search.ui.ISearchQuery;
import org.eclipse.search.ui.ISearchResult;
import org.eclipse.search.ui.NewSearchUI;
import org.eclipse.search.ui.text.Match;
public class DLTKSearchQuery implements ISearchQuery {
private static final String PERF_SEARCH_PARTICIPANT= "org.eclipse.dltk.ui/perf/search/participants"; //$NON-NLS-1$
private ISearchResult fResult;
private final QuerySpecification fPatternData;
public DLTKSearchQuery(QuerySpecification data) {
if (data == null) {
throw new IllegalArgumentException("data must not be null"); //$NON-NLS-1$
}
fPatternData= data;
}
private static class SearchRequestor implements ISearchRequestor {
private IQueryParticipant fParticipant;
private DLTKSearchResult fSearchResult;
@Override
public void reportMatch(Match match) {
IMatchPresentation participant= fParticipant.getUIParticipant();
if (participant == null || match.getElement() instanceof IModelElement || match.getElement() instanceof IResource) {
fSearchResult.addMatch(match);
} else {
fSearchResult.addMatch(match, participant);
}
}
protected SearchRequestor(IQueryParticipant participant, DLTKSearchResult result) {
super();
fParticipant= participant;
fSearchResult= result;
}
}
@Override
public IStatus run(IProgressMonitor monitor) {
final DLTKSearchResult textResult= (DLTKSearchResult) getSearchResult();
textResult.removeAll();
// Don't need to pass in working copies in 3.0 here
SearchEngine engine= new SearchEngine();
try {
int totalTicks= 1000;
IProject[] projects= DLTKSearchScopeFactory.getInstance().getProjects(fPatternData.getScope());
final SearchParticipantRecord[] participantDescriptors = SearchParticipantsExtensionPoint
.getInstance().getSearchParticipants(this.fPatternData.getScope().getLanguageToolkit(), projects);
final int[] ticks= new int[participantDescriptors.length];
for (int i= 0; i < participantDescriptors.length; i++) {
final int iPrime= i;
ISafeRunnable runnable= new ISafeRunnable() {
@Override
public void handleException(Throwable exception) {
ticks[iPrime]= 0;
String message= SearchMessages.DLTKSearchQuery_error_participant_estimate;
DLTKUIPlugin.log(new Status(IStatus.ERROR, DLTKUIPlugin.getPluginId(), 0, message, exception));
}
@Override
public void run() throws Exception {
ticks[iPrime]= participantDescriptors[iPrime].getParticipant().estimateTicks(fPatternData);
}
};
SafeRunner.run(runnable);
totalTicks+= ticks[i];
}
SearchPattern pattern;
String stringPattern;
IDLTKLanguageToolkit toolkit = this.fPatternData.getScope().getLanguageToolkit();
if (fPatternData instanceof ElementQuerySpecification) {
IModelElement element= ((ElementQuerySpecification) fPatternData).getElement();
stringPattern= ScriptElementLabels.getDefault().getElementLabel(element, ScriptElementLabels.ALL_DEFAULT);
if (!element.exists()) {
return new Status(IStatus.ERROR, DLTKUIPlugin.getPluginId(), 0, Messages.format(SearchMessages.DLTKSearchQuery_error_element_does_not_exist, stringPattern), null);
}
pattern= SearchPattern.createPattern(element, fPatternData.getLimitTo(), SearchUtils.GENERICS_AGNOSTIC_MATCH_RULE, toolkit);
} else {
PatternQuerySpecification patternSpec = (PatternQuerySpecification) fPatternData;
stringPattern= patternSpec.getPattern();
int matchMode= getMatchMode(stringPattern) | SearchPattern.R_ERASURE_MATCH;
if (patternSpec.isCaseSensitive())
matchMode |= SearchPattern.R_CASE_SENSITIVE;
pattern= SearchPattern.createPattern(patternSpec.getPattern(), patternSpec.getSearchFor(), patternSpec.getLimitTo(), matchMode, toolkit);
}
if (pattern == null) {
return new Status(IStatus.ERROR, DLTKUIPlugin.getPluginId(), 0, Messages.format(SearchMessages.DLTKSearchQuery_error_unsupported_pattern, stringPattern), null);
}
monitor.beginTask(Messages.format(SearchMessages.DLTKSearchQuery_task_label, stringPattern), totalTicks);
IProgressMonitor mainSearchPM= new SubProgressMonitor(monitor, 1000);
boolean ignorePotentials= NewSearchUI.arePotentialMatchesIgnored();
NewSearchResultCollector collector= new NewSearchResultCollector(textResult, ignorePotentials);
engine.search(pattern, new SearchParticipant[] { SearchEngine.getDefaultSearchParticipant() }, fPatternData.getScope(), collector, mainSearchPM);
for (int i= 0; i < participantDescriptors.length; i++) {
final ISearchRequestor requestor= new SearchRequestor(participantDescriptors[i].getParticipant(), textResult);
final IProgressMonitor participantPM= new SubProgressMonitor(monitor, ticks[i]);
final int iPrime= i;
ISafeRunnable runnable= new ISafeRunnable() {
@Override
public void handleException(Throwable exception) {
participantDescriptors[iPrime].getDescriptor().disable();
String message= SearchMessages.DLTKSearchQuery_error_participant_search;
DLTKUIPlugin.log(new Status(IStatus.ERROR, DLTKUIPlugin.getPluginId(), 0, message, exception));
}
@Override
public void run() throws Exception {
final IQueryParticipant participant= participantDescriptors[iPrime].getParticipant();
final PerformanceStats stats= PerformanceStats.getStats(PERF_SEARCH_PARTICIPANT, participant);
stats.startRun();
participant.search(requestor, fPatternData, participantPM);
stats.endRun();
}
};
SafeRunner.run(runnable);
}
} catch (CoreException e) {
return e.getStatus();
}
String message= Messages.format(SearchMessages.DLTKSearchQuery_status_ok_message, String.valueOf(textResult.getMatchCount()));
return new Status(IStatus.OK, DLTKUIPlugin.getPluginId(), 0, message, null);
}
private int getMatchMode(String pattern) {
if (pattern.indexOf('*') != -1 || pattern.indexOf('?') != -1) {
return SearchPattern.R_PATTERN_MATCH;
} else if (SearchUtils.isCamelCasePattern(pattern)) {
return SearchPattern.R_CAMELCASE_MATCH;
}
return SearchPattern.R_EXACT_MATCH;
}
@Override
public String getLabel() {
return SearchMessages.DLTKSearchQuery_label;
}
public String getResultLabel(int nMatches) {
if (nMatches == 1) {
String[] args= { getSearchPatternDescription(), fPatternData.getScopeDescription() };
switch (fPatternData.getLimitTo()) {
// case IDLTKSearchConstants.IMPLEMENTORS:
// return Messages.format(SearchMessages.DLTKSearchOperation_singularImplementorsPostfix, args);
case IDLTKSearchConstants.DECLARATIONS:
return Messages.format(SearchMessages.DLTKSearchOperation_singularDeclarationsPostfix, args);
case IDLTKSearchConstants.REFERENCES:
return Messages.format(SearchMessages.DLTKSearchOperation_singularReferencesPostfix, args);
case IDLTKSearchConstants.ALL_OCCURRENCES:
return Messages.format(SearchMessages.DLTKSearchOperation_singularOccurrencesPostfix, args);
// case IDLTKSearchConstants.READ_ACCESSES:
// return Messages.format(SearchMessages.DLTKSearchOperation_singularReadReferencesPostfix, args);
// case IDLTKSearchConstants.WRITE_ACCESSES:
// return Messages.format(SearchMessages.DLTKSearchOperation_singularWriteReferencesPostfix, args);
default:
return Messages.format(SearchMessages.DLTKSearchOperation_singularOccurrencesPostfix, args);
}
} else {
Object[] args= { getSearchPatternDescription(), Integer.valueOf(nMatches), fPatternData.getScopeDescription() };
switch (fPatternData.getLimitTo()) {
// case IDLTKSearchConstants.IMPLEMENTORS:
// return Messages.format(SearchMessages.DLTKSearchOperation_pluralImplementorsPostfix, args);
case IDLTKSearchConstants.DECLARATIONS:
return Messages.format(SearchMessages.DLTKSearchOperation_pluralDeclarationsPostfix, args);
case IDLTKSearchConstants.REFERENCES:
return Messages.format(SearchMessages.DLTKSearchOperation_pluralReferencesPostfix, args);
case IDLTKSearchConstants.ALL_OCCURRENCES:
return Messages.format(SearchMessages.DLTKSearchOperation_pluralOccurrencesPostfix, args);
// case IDLTKSearchConstants.READ_ACCESSES:
// return Messages.format(SearchMessages.DLTKSearchOperation_pluralReadReferencesPostfix, args);
// case IDLTKSearchConstants.WRITE_ACCESSES:
// return Messages.format(SearchMessages.DLTKSearchOperation_pluralWriteReferencesPostfix, args);
default:
return Messages.format(SearchMessages.DLTKSearchOperation_pluralOccurrencesPostfix, args);
}
}
}
private String getSearchPatternDescription() {
if (fPatternData instanceof ElementQuerySpecification) {
IModelElement element= ((ElementQuerySpecification) fPatternData).getElement();
return ScriptElementLabels.getDefault().getElementLabel(element, ScriptElementLabels.ALL_DEFAULT
| ScriptElementLabels.ALL_FULLY_QUALIFIED | ScriptElementLabels.USE_RESOLVED);
}
return ((PatternQuerySpecification) fPatternData).getPattern();
}
ImageDescriptor getImageDescriptor() {
if (/*fPatternData.getLimitTo() == IDLTKSearchConstants.IMPLEMENTORS ||*/ fPatternData.getLimitTo() == IDLTKSearchConstants.DECLARATIONS)
return DLTKPluginImages.DESC_OBJS_SEARCH_DECL;
else
return DLTKPluginImages.DESC_OBJS_SEARCH_REF;
}
@Override
public boolean canRerun() {
return true;
}
@Override
public boolean canRunInBackground() {
return true;
}
@Override
public ISearchResult getSearchResult() {
if (fResult == null) {
fResult= new DLTKSearchResult(this);
new SearchResultUpdater((DLTKSearchResult) fResult);
}
return fResult;
}
QuerySpecification getSpecification() {
return fPatternData;
}
}