/**
* Implements the CFML Function getbasetagdata
*/
package railo.runtime.functions.other;
import javax.servlet.jsp.tagext.Tag;
import railo.commons.lang.StringUtil;
import railo.runtime.PageContext;
import railo.runtime.exp.ExpressionException;
import railo.runtime.exp.PageException;
import railo.runtime.ext.function.Function;
import railo.runtime.tag.CFTag;
import railo.runtime.tag.CFTagCore;
import railo.runtime.type.Struct;
public final class GetBaseTagData implements Function {
private static final long serialVersionUID = -7016207088098049143L;
public static Struct call(PageContext pc , String tagName) throws PageException {
return call(pc,tagName,-1);
}
public static Struct call(PageContext pc , String tagName, double minLevel) throws PageException {
CFTag tag=getParentCFTag(pc.getCurrentTag(), tagName, (int)minLevel);
if(tag==null) throw new ExpressionException("can't find base tag with name ["+tagName+"]");
return tag.getVariablesScope();
}
public synchronized static CFTag getParentCFTag(Tag tag,String trgTagName, int minLevel) {
String pureName=trgTagName;
int level=0;
CFTag cfTag;
while(tag!=null) {
if(tag instanceof CFTag && minLevel<=(level++)) {
cfTag=(CFTag)tag;
if(cfTag instanceof CFTagCore){
CFTagCore tc=(CFTagCore) cfTag;
if((tc.getName()+"").equalsIgnoreCase(pureName))
return cfTag;
if(StringUtil.startsWithIgnoreCase(pureName,"cf")) {
pureName=pureName.substring(2);
}
if((tc.getName()+"").equalsIgnoreCase(pureName))
return cfTag;
}
else if( cfTag.getAppendix().equalsIgnoreCase(pureName)) {
return cfTag;
}
else if(StringUtil.startsWithIgnoreCase(pureName,"cf_")) {
pureName=pureName.substring(3);
if(cfTag.getAppendix().equalsIgnoreCase(pureName))
return cfTag;
}
}
tag=tag.getParent();
}
return null;
}
}