/**
* Implements the CFML Function structfindkey
*/
package railo.runtime.functions.struct;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import railo.runtime.PageContext;
import railo.runtime.exp.FunctionException;
import railo.runtime.exp.PageException;
import railo.runtime.functions.BIF;
import railo.runtime.op.Caster;
import railo.runtime.type.Array;
import railo.runtime.type.ArrayImpl;
import railo.runtime.type.Collection;
import railo.runtime.type.Collection.Key;
import railo.runtime.type.Struct;
import railo.runtime.type.StructImpl;
import railo.runtime.type.scope.Argument;
import railo.runtime.type.util.KeyConstants;
import railo.runtime.type.wrap.ListAsArray;
import railo.runtime.type.wrap.MapAsStruct;
public final class StructFindKey extends BIF {
private static final long serialVersionUID = 598706098288773975L;
public static Array call(PageContext pc , railo.runtime.type.Struct struct, String value) throws PageException {
return _call(pc,struct,value,false);
}
public static Array call(PageContext pc , Struct struct, String value, String scope) throws PageException {
// Scope
boolean all=false;
if(scope.equalsIgnoreCase("one")) all=false;
else if(scope.equalsIgnoreCase("all")) all=true;
else throw new FunctionException(pc,"structFindValue",3,"scope","invalid scope definition ["+scope+"], valid scopes are [one, all]");
return _call(pc,struct,value,all);
}
private static Array _call(PageContext pc , Struct struct, String value, boolean all) throws PageException {
Array array=new ArrayImpl();
getValues(array,struct,value,all,"");
return array;
}
/**
* @param coll
* @param value
* @param all
* @param buffer
* @return
* @throws PageException
*/
private static boolean getValues(Array array,Collection coll, String value, boolean all, String path) throws PageException {
//Collection.Key[] keys=coll.keys();
Iterator<Entry<Key, Object>> it = coll.entryIterator();
Entry<Key, Object> e;
boolean abort=false;
Collection.Key key;
while(it.hasNext()) {
e = it.next();
if(abort)break;
key=e.getKey();
Object o=e.getValue();
// matching value (this function search first for base)
if(key.getString().equalsIgnoreCase(value)) {
Struct sct=new StructImpl();
sct.setEL(KeyConstants._value,o);
sct.setEL(KeyConstants._path,createKey(coll,path,key));
sct.setEL(KeyConstants._owner,coll);
array.append(sct);
if(!all)abort=true;
}
// Collection
if(!abort) {
if(o instanceof Collection) {
abort=getValues(array,((Collection)o), value, all, createKey(coll,path,key));
}
else if(o instanceof List){
abort=getValues(array,ListAsArray.toArray((List<?>)o), value, all, createKey(coll,path,key));
}
else if(o instanceof Map){
abort=getValues(array,MapAsStruct.toStruct((Map<?,?>)o), value, all, createKey(coll,path,key));
}
}
}
return abort;
}
static String createKey(Collection coll,String path,Collection.Key key) {
StringBuffer p=new StringBuffer(path.toString());
if(isArray(coll)){
p.append('[').append(key.getString()).append(']');
}
else{
p.append('.').append(key.getString());
}
return p.toString();
}
static boolean isArray(Collection coll) {
return coll instanceof Array && !(coll instanceof Argument);
}
@Override
public Object invoke(PageContext pc, Object[] args) throws PageException {
if(args.length==3) return call(pc,Caster.toStruct(args[0]),Caster.toString(args[1]),Caster.toString(args[2]));
return call(pc,Caster.toStruct(args[0]),Caster.toString(args[1]));
}
}