/**
* Construct an XPath object.
*
* <p>(Needs review -sc) This method initializes an XPathParser/ Compiler and compiles the
* expression.
*
* @param exprString The XPath expression.
* @param locator The location of the expression, may be null.
* @param prefixResolver A prefix resolver to use to resolve prefixes to namespace URIs.
* @param type one of {@link #SELECT} or {@link #MATCH}.
* @param errorListener The error listener, or null if default should be used.
* @throws javax.xml.transform.TransformerException if syntax or other error.
*/
public XPath(
String exprString,
SourceLocator locator,
PrefixResolver prefixResolver,
int type,
ErrorListener errorListener)
throws javax.xml.transform.TransformerException {
initFunctionTable();
if (null == errorListener)
errorListener = new com.sun.org.apache.xml.internal.utils.DefaultErrorHandler();
m_patternString = exprString;
XPathParser parser = new XPathParser(errorListener, locator);
Compiler compiler = new Compiler(errorListener, locator, m_funcTable);
if (SELECT == type) parser.initXPath(compiler, exprString, prefixResolver);
else if (MATCH == type) parser.initMatchPattern(compiler, exprString, prefixResolver);
else
throw new RuntimeException(
XSLMessages.createXPATHMessage(
XPATHErrorResources.ER_CANNOT_DEAL_XPATH_TYPE,
new Object[] {Integer.toString(type)})); // "Can not deal with XPath type: " + type);
// System.out.println("----------------");
Expression expr = compiler.compile(0);
// System.out.println("expr: "+expr);
this.setExpression(expr);
if ((null != locator) && locator instanceof ExpressionNode) {
expr.exprSetParent((ExpressionNode) locator);
}
}
