/*
* Copyright (C) 2000 - 2008 TagServlet Ltd
*
* This file is part of Open BlueDragon (OpenBD) CFML Server Engine.
*
* OpenBD is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* Free Software Foundation,version 3.
*
* OpenBD is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with OpenBD. If not, see http://www.gnu.org/licenses/
*
* Additional permission under GNU GPL version 3 section 7
*
* If you modify this Program, or any covered work, by linking or combining
* it with any of the JARS listed in the README.txt (or a modified version of
* (that library), containing parts covered by the terms of that JAR, the
* licensors of this Program grant you additional permission to convey the
* resulting work.
* README.txt @ http://www.openbluedragon.org/license/README.txt
*
* http://www.openbluedragon.org/
*/
package com.naryx.tagfusion.expression.function.struct;
import com.naryx.tagfusion.cfm.engine.cfArgStructData;
import com.naryx.tagfusion.cfm.engine.cfArrayData;
import com.naryx.tagfusion.cfm.engine.cfData;
import com.naryx.tagfusion.cfm.engine.cfSession;
import com.naryx.tagfusion.cfm.engine.cfStringData;
import com.naryx.tagfusion.cfm.engine.cfStructData;
import com.naryx.tagfusion.cfm.engine.cfmRunTimeException;
import com.naryx.tagfusion.cfm.engine.dataNotSupportedException;
import com.naryx.tagfusion.expression.function.functionBase;
public class structFindValue extends functionBase {
private static final long serialVersionUID = 1L;
public structFindValue() {
min = 2;
max = 3;
setNamedParams( new String[]{ "struct", "value", "returnall" } );
}
public String[] getParamInfo(){
return new String[]{
"struct",
"value",
"return - ('ONE' default or 'ALL')"
};
}
public java.util.Map getInfo(){
return makeInfo(
"structure",
"Returns the data (or an array of all the values) that matches the value, throwing an exception if it does not exist",
ReturnType.ARRAY );
}
public cfData execute(cfSession _session, cfArgStructData argStruct) throws cfmRunTimeException {
boolean returnall = false; // default scope. ONE -> false, ALL -> true
String searchVal = "";
cfData top;
String returnAllParam = getNamedStringParam(argStruct, "returnall", "ONE");
returnall = returnAllParam.equalsIgnoreCase("ALL");
top = getNamedParam(argStruct, "struct");
try {
searchVal = getNamedParam(argStruct, "value").getString();
} catch (dataNotSupportedException e) {
throwException(_session, "Invalid argument. The VALUE must be a valid string argument.");
}
if (!top.isStruct()) {
throwException(_session, "Invalid argument. This function takes a struct as the first argument.");
}
cfArrayData result = cfArrayData.createArray(1);
cfData finalResult = findVal(top, top, searchVal, "", "", result, returnall);
if (finalResult != null) {
return finalResult;
} else {
return result;
}
}
private cfData findVal(cfData _parent, cfData _top, String _val, String _path, String _key, cfArrayData _result, boolean _returnall) throws cfmRunTimeException {
if (_top.getDataType() == cfData.CFARRAYDATA) {
cfArrayData array = (cfArrayData) _top;
int arraylen = array.size();
for (int i = 1; i <= arraylen; i++) {
String nextPathStep = "[" + i + "]";
cfData result = findVal(_top, array.getElement(i), _val, _path + nextPathStep, nextPathStep, _result, _returnall);
if (result != null && !_returnall) {
return result;
}
}
if (_result.size() > 0) {
return _result;
}// else let it drop thru to the default return null
} else if (_top.isStruct()) {
cfStructData struct = (cfStructData) _top;
Object[] keys = struct.keys();
String nextKey;
String pathStart = _path + ".";
for (int i = 0; i < keys.length; i++) {
cfData nextVal = struct.getData((String) keys[i]);
nextKey = ((String) keys[i]).toUpperCase();
cfData result = findVal(_top, nextVal, _val, pathStart + nextKey, nextKey, _result, _returnall);
if (result != null && !_returnall) {
return result;
}
}
if (_result.size() > 0) {
return _result;
}// else let it drop thru to the default return null
} else {
try {
String thisVal = _top.getString();
if (thisVal.equalsIgnoreCase(_val)) {
cfStructData result = new cfStructData();
result.setData("owner", _parent);
result.setData("path", new cfStringData(_path));
result.setData("key", new cfStringData(_key));
_result.addElement(result);
return _result;
}
} catch (dataNotSupportedException d) {}
}
return null;
}
}