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/*
*(c) Copyright QNX Software Systems Ltd. 2002.
* All Rights Reserved.
*
*/
package org.eclipse.cdt.debug.internal.ui;
import org.eclipse.jface.text.BadLocationException;
import org.eclipse.jface.text.IDocument;
import org.eclipse.jface.text.IRegion;
import org.eclipse.jface.text.Region;
/**
*
* Enter type comment.
*
* @since Jul 30, 2002
*/
public class CDebugUIUtils
{
static public String toHexAddressString( long address )
{
String tmp = Long.toHexString( address );
char[] prefix = new char[10 - tmp.length()];
prefix[0] = '0';
prefix[1] = 'x';
for ( int i = 2; i < prefix.length; ++i )
prefix[i] = '0';
return new String( prefix ) + tmp;
}
static public IRegion findWord( IDocument document, int offset )
{
int start = -1;
int end = -1;
try
{
int pos = offset;
char c;
while( pos >= 0 )
{
c = document.getChar( pos );
if ( !Character.isJavaIdentifierPart( c ) )
break;
--pos;
}
start = pos;
pos = offset;
int length = document.getLength();
while( pos < length )
{
c = document.getChar( pos );
if ( !Character.isJavaIdentifierPart( c ) )
break;
++pos;
}
end = pos;
}
catch( BadLocationException x )
{
}
if ( start > -1 && end > -1 )
{
if ( start == offset && end == offset )
return new Region( offset, 0 );
else if ( start == offset )
return new Region( start, end - start );
else
return new Region( start + 1, end - start - 1 );
}
return null;
}
}
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