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/* __ *\
** ________ ___ / / ___ Scala API **
** / __/ __// _ | / / / _ | (c) 2002-2005, LAMP/EPFL **
** __\ \/ /__/ __ |/ /__/ __ | **
** /____/\___/_/ |_/____/_/ | | **
** |/ **
\* */
// $Id$
package scala.xml;
/** The class <code>NamespaceBinding</code> represents namespace bindings
* and scopes. The binding for the default namespace is treated as a null
* prefix. the absent namespace is represented with the null uri. Neither
* prefix nor uri may be empty, which is not checked.
*
* @version 1.0
* @author Burak Emir
*/
[serializable]
class NamespaceBinding(val prefix: String,
val uri: String,
val parent: NamespaceBinding) extends AnyRef {
private val serialVersionUID = 0 - 2518644165573446725L;
if (null != prefix && 0 == prefix.length())
Predef.error("zero length prefix not allowed");
def getURI(_prefix: String): String =
if (prefix == _prefix) uri else parent.getURI(_prefix);
/** Returns some prefix that is mapped to the prefix.
*
* @param _uri
* @return
*/
def getPrefix(_uri: String): String =
if (_uri == uri) uri else parent.getURI(_uri);
override def toString(): String = {
val sb = new StringBuffer();
toString(sb, TopScope);
sb.toString();
}
def toString(stop: NamespaceBinding): String = {
val sb = new StringBuffer();
toString(sb, stop);
sb.toString();
}
def toString(sb:StringBuffer, stop:NamespaceBinding): Unit = {
if (this ne stop) { // contains?
sb.append(" xmlns");
if (prefix != null) {
sb.append(':').append(prefix)
}
sb.append('=')
.append('"')
.append(uri)
.append('"');
parent.toString(sb, stop); // copy(ignore)
}
}
}
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