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/*******************************************************************************
* Copyright (c) 2000, 2015 QNX Software Systems 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:
* QNX Software Systems - Initial API and implementation
* Red Hat Inc. - Modified from MakefileDocumentProvider for Automake
*******************************************************************************/
package org.eclipse.cdt.internal.autotools.ui.editors.automake;
import java.io.IOException;
import java.util.Iterator;
import org.eclipse.cdt.make.core.makefile.IMakefile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IFileEditorInput;
import org.eclipse.ui.IURIEditorInput;
import org.eclipse.ui.editors.text.TextFileDocumentProvider;
public class AutomakeDocumentProvider extends TextFileDocumentProvider implements IMakefileDocumentProvider {
/**
* Remembers a IMakefile for each element.
*/
protected class AutomakefileFileInfo extends FileInfo {
public IMakefile fCopy;
}
@Override
protected FileInfo createEmptyFileInfo() {
return new AutomakefileFileInfo();
}
@Override
protected FileInfo createFileInfo(Object element) throws CoreException {
IMakefile original = null;
if (element instanceof IFileEditorInput) {
IFileEditorInput input= (IFileEditorInput) element;
if (input.getFile().exists())
original= createMakefile(input.getFile().getLocation().toOSString());
} else if (element instanceof IURIEditorInput) {
IURIEditorInput input = (IURIEditorInput)element;
original = createMakefile(input.getURI().getPath().toString());
}
if (original == null)
return null;
FileInfo info= super.createFileInfo(element);
if (!(info instanceof AutomakefileFileInfo)) {
return null;
}
AutomakefileFileInfo makefileInfo= (AutomakefileFileInfo) info;
setUpSynchronization(makefileInfo);
makefileInfo.fCopy = original;
return makefileInfo;
}
/**
*/
private IMakefile createMakefile(String fileName) {
IMakefile makefile = null;
Automakefile automakefile = new Automakefile();
try {
automakefile.parse(fileName);
} catch (IOException e) {
}
makefile = automakefile;
return makefile;
}
@Override
public IMakefile getWorkingCopy(Object element) {
FileInfo fileInfo= getFileInfo(element);
if (fileInfo instanceof AutomakefileFileInfo) {
return ((AutomakefileFileInfo) fileInfo).fCopy;
}
return null;
}
@Override
public void shutdown() {
Iterator<?> e = getConnectedElementsIterator();
while (e.hasNext())
disconnect(e.next());
}
@Override
public void connect(Object element) throws CoreException {
super.connect(element);
IMakefile makefile = getWorkingCopy(element);
AutomakeErrorHandler errorHandler = new AutomakeErrorHandler((IEditorInput)element);
errorHandler.update(makefile);
}
@Override
public IDocument getDocument(Object element) {
FileInfo info= getFileInfo(element);
if (info != null)
return info.fTextFileBuffer.getDocument();
return getParentProvider().getDocument(element);
}
}
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