WALA/com.ibm.wala.cast.js/source/com/ibm/wala/cast/js/html/NestedRangeMapping.java

92 lines
2.8 KiB
Java

/*******************************************************************************
* Copyright (c) 2013 IBM Corporation.
* 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:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package com.ibm.wala.cast.js.html;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintStream;
import java.net.URL;
import com.ibm.wala.cast.js.html.RangeFileMapping.Range;
import com.ibm.wala.cast.tree.CAstSourcePositionMap.Position;
import com.ibm.wala.cast.tree.impl.AbstractSourcePosition;
public class NestedRangeMapping implements FileMapping {
private final Range range;
private final FileMapping innerMapping;
public NestedRangeMapping(int rangeStart, int rangeEnd, int rangeStartingLine, int rangeEndingLine, FileMapping innerMapping) {
assert innerMapping != null;
this.range = new Range(rangeStart, rangeEnd, rangeStartingLine, rangeEndingLine);
this.innerMapping = innerMapping;
}
@Override
public IncludedPosition getIncludedPosition(final Position pos) {
if (range.includes(pos)) {
return innerMapping.getIncludedPosition(
new AbstractSourcePosition() {
@Override
public int getFirstLine() {
return pos.getFirstLine()-range.getStartingLine()+1;
}
@Override
public int getLastLine() {
return pos.getLastLine()==-1? -1: (pos.getLastLine()-range.getStartingLine()+1);
}
@Override
public int getFirstCol() {
return pos.getFirstCol();
}
@Override
public int getLastCol() {
return pos.getLastCol();
}
@Override
public int getFirstOffset() {
return pos.getFirstOffset()==-1? -1: (pos.getFirstOffset()-range.getStart());
}
@Override
public int getLastOffset() {
return pos.getLastOffset()==-1? -1: (pos.getLastOffset()-range.getStart());
}
@Override
public URL getURL() {
return pos.getURL();
}
@Override
public InputStream getInputStream() throws IOException {
return pos.getInputStream();
}
});
} else {
return null;
}
}
@Override
public void dump(PrintStream ps) {
// TODO Auto-generated method stub
}
public String toString() {
return range + "(" + innerMapping + ")";
}
}