com.sun.org.apache.xpath.internal.functions.Function

Here are the examples of the java api class com.sun.org.apache.xpath.internal.functions.Function taken from open source projects.

1. Compiler#compileExtension()

Project: openjdk
File: Compiler.java
/**
   * Compile an extension function.
   *
   * @param opPos The current position in the m_opMap array.
   *
   * @return reference to {@link com.sun.org.apache.xpath.internal.functions.FuncExtFunction} instance.
   *
   * @throws TransformerException if a error occurs creating the Expression.
   */
private Expression compileExtension(int opPos) throws TransformerException {
    int endExtFunc = opPos + getOp(opPos + 1) - 1;
    opPos = getFirstChildPos(opPos);
    java.lang.String ns = (java.lang.String) getTokenQueue().elementAt(getOp(opPos));
    opPos++;
    java.lang.String funcName = (java.lang.String) getTokenQueue().elementAt(getOp(opPos));
    opPos++;
    // We create a method key to uniquely identify this function so that we
    // can cache the object needed to invoke it.  This way, we only pay the
    // reflection overhead on the first call.
    Function extension = new FuncExtFunction(ns, funcName, String.valueOf(getNextMethodId()));
    try {
        int i = 0;
        while (opPos < endExtFunc) {
            int nextOpPos = getNextOpPos(opPos);
            extension.setArg(this.compile(opPos), i);
            opPos = nextOpPos;
            i++;
        }
    } catch (WrongNumberArgsException wnae) {
        ;
    }
    return extension;
}