package railo.runtime.functions.xml;
import javax.xml.transform.TransformerException;
import org.apache.xpath.XPathAPI;
import org.apache.xpath.objects.XObject;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import railo.commons.lang.StringUtil;
import railo.runtime.PageContext;
import railo.runtime.exp.PageException;
import railo.runtime.ext.function.Function;
import railo.runtime.op.Caster;
import railo.runtime.text.xml.XMLCaster;
import railo.runtime.text.xml.struct.XMLObject;
import railo.runtime.text.xml.struct.XMLStruct;
import railo.runtime.type.Array;
import railo.runtime.type.ArrayImpl;
/**
* Implements the CFML Function xmlsearch
*/
public final class XmlSearch implements Function {
public static Object call(PageContext pc , Node node, String expr) throws PageException {
boolean caseSensitive=true;
if(node instanceof XMLObject) {
caseSensitive=((XMLObject)node).getCaseSensitive();
}
if(node instanceof XMLStruct) {
node=((XMLStruct)node).toNode();
}
return _call(node,expr,caseSensitive);
}
public static Object _call(Node node, String expr, boolean caseSensitive) throws PageException {
if(StringUtil.endsWith(expr,'/'))
expr = expr.substring(0,expr.length()-1);
try {
XObject rs = XPathAPI.eval(node,expr);
switch(rs.getType()){
case XObject.CLASS_NODESET:
return nodelist(rs,caseSensitive);
case XObject.CLASS_BOOLEAN:
return Caster.toBoolean(rs.bool());
case XObject.CLASS_NULL:
return "";
case XObject.CLASS_NUMBER:
return Caster.toDouble(rs.num());
case XObject.CLASS_STRING:
return rs.str();
default:
return rs.object();
}
} catch (Throwable e) {
throw Caster.toPageException(e);
}
}
private static Array nodelist(XObject rs, boolean caseSensitive) throws TransformerException, PageException {
NodeList list = rs.nodelist();
int len=list.getLength();
Array rtn=new ArrayImpl();
for(int i=0;i<len;i++) {
Node n=list.item(i);
if(n !=null)
rtn.append(XMLCaster.toXMLStruct(n,caseSensitive));
}
return rtn;
}
}