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/*******************************************************************************
* Copyright (c) 2000, 2015 QNX Software Systems and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* QNX Software Systems - Initial API and implementation
* Red Hat Inc. - Modified from MakefileReconcilingStrategy for Automake files
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.editors.automake;
import java.io.IOException;
import java.io.StringReader;
import org.eclipse.cdt.make.core.makefile.IMakefile;
import org.eclipse.cdt.make.ui.IWorkingCopyManager;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.reconciler.DirtyRegion;
import org.eclipse.jface.text.reconciler.IReconcilingStrategy;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.texteditor.IDocumentProvider;
import org.eclipse.ui.texteditor.ITextEditor;
public class AutomakefileReconcilingStrategy implements IReconcilingStrategy {
private int fLastRegionOffset;
private ITextEditor fEditor;
private IWorkingCopyManager fManager;
private IDocumentProvider fDocumentProvider;
private AutomakefileContentOutlinePage fOutliner;
private IReconcilingParticipant fMakefileReconcilingParticipant;
private AutomakeErrorHandler fErrorHandler;
private IEditorInput input;
public AutomakefileReconcilingStrategy(AutomakeEditor editor) {
fOutliner= editor.getAutomakeOutlinePage();
fLastRegionOffset = Integer.MAX_VALUE;
fEditor= editor;
input = fEditor.getEditorInput();
fManager= AutomakeEditorFactory.getDefault().getWorkingCopyManager();
fDocumentProvider= AutomakeEditorFactory.getDefault().getAutomakefileDocumentProvider();
fErrorHandler= new AutomakeErrorHandler(input);
fMakefileReconcilingParticipant= (IReconcilingParticipant)fEditor;
}
@Override
public void setDocument(IDocument document) {
}
@Override
public void reconcile(IRegion region) {
// We use a trick to avoid running the reconciler multiple times
// on a file when it gets changed. This is because this gets called
// multiple times with different regions of the file, we do a
// complete parse on the first region.
if(region.getOffset() <= fLastRegionOffset) {
reconcile();
}
fLastRegionOffset = region.getOffset();
}
@Override
public void reconcile(DirtyRegion dirtyRegion, IRegion region) {
// FIXME: This seems to generate too much flashing in
// the contentoutline viewer.
//reconcile();
}
private void reconcile() {
try {
IMakefile makefile = fManager.getWorkingCopy(fEditor.getEditorInput());
if (makefile != null) {
String content = fDocumentProvider.getDocument(input).get();
StringReader reader = new StringReader(content);
try {
makefile.parse(makefile.getFileURI(), reader);
} catch (IOException e) {
}
fOutliner.update();
fErrorHandler.update(makefile);
}
} finally {
try {
if (fMakefileReconcilingParticipant != null) {
fMakefileReconcilingParticipant.reconciled();
}
} finally {
//
}
}
}
}
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