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/*******************************************************************************
* Copyright (c) 2008, 2011 Institute for Software, HSR Hochschule fuer Technik
* Rapperswil, University of applied sciences 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:
* Institute for Software - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.internal.core.dom.rewrite.util;
import java.io.IOException;
import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.internal.core.resources.ResourceLookup;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.resources.ProjectScope;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.core.runtime.Platform;
import org.eclipse.core.runtime.preferences.IScopeContext;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.eclipse.jface.text.TextUtilities;
public class FileHelper {
private static final String DEFAULT_LINE_DELIMITTER = "\n"; //$NON-NLS-1$
public static IFile getFileFromNode(IASTNode node) {
IPath implPath = new Path(node.getContainingFilename());
return ResourceLookup.selectFileForLocation(implPath, null);
}
public static boolean isFirstWithinSecondLocation(IASTFileLocation loc1, IASTFileLocation loc2) {
boolean isEquals = true;
isEquals &= loc1.getFileName().equals(loc2.getFileName());
isEquals &= loc1.getNodeOffset() >= loc2.getNodeOffset();
isEquals &= loc1.getNodeOffset() + loc1.getNodeLength() <= loc2.getNodeOffset()
+ loc2.getNodeLength();
return isEquals;
}
public static String determineLineDelimiter(IFile file) {
String fileContent = ""; //$NON-NLS-1$
try {
fileContent = FileContentHelper.getContent(file, 0);
} catch (CoreException e) {
} catch (IOException e) {
}
IProject project = ResourcesPlugin.getWorkspace().getRoot().getProject();
IScopeContext[] scopeContext;
if (project != null) {
scopeContext = new IScopeContext[] { new ProjectScope(project) };
} else {
scopeContext = new IScopeContext[] { InstanceScope.INSTANCE };
}
String platformDefaultLineDelimiter = System.getProperty("line.separator", DEFAULT_LINE_DELIMITTER); //$NON-NLS-1$
String defaultLineDelimiter = Platform.getPreferencesService().getString(Platform.PI_RUNTIME,
Platform.PREF_LINE_SEPARATOR, platformDefaultLineDelimiter, scopeContext);
return TextUtilities.determineLineDelimiter(fileContent.toString(), defaultLineDelimiter);
}
}
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