/*
* Created on Mar 29, 2004
*
* The MIT License
* Copyright (c) 2004 Oliver Tupman
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the Software
* is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package org.cfeclipse.cfml.parser.cfmltagitems;
import org.cfeclipse.cfml.parser.ParseMessage;
import org.cfeclipse.cfml.parser.docitems.CfmlTagItem;
import org.cfeclipse.cfml.parser.docitems.DocItem;
public class CfmlTagIf extends CfmlTagItem {
/**
* Adds a child item. Unlike other tags, the <cfif> tag it first checks to see
* whether there are any cfelseif's or a cfelse.
*
* @see org.cfeclipse.cfml.parser.docitems.DocItem#addChild(org.cfeclipse.cfml.parser.DocItem)
*/
public boolean addChild(DocItem newItem)
{
boolean addOkay = true;
if(docNodes.size() != 0)
{
DocItem mostRecentItem = (DocItem)docNodes.get(docNodes.size()-1);
boolean lastIsElseIf = mostRecentItem.getName().compareToIgnoreCase("elseif") == 0;
boolean lastIsElse = mostRecentItem.getName().compareToIgnoreCase("else") == 0;
boolean itemIsElse = newItem.getName().compareToIgnoreCase("else") == 0;
boolean itemIsElseIf = newItem.getName().compareToIgnoreCase("elseif") == 0;
//
// Tests to make sure that the user isn't trying to do something stupid.
//if(newItem.getName().compareToIgnoreCase("else") == 0 && lastIsElse)
if(itemIsElse && lastIsElse)
{
parseMessages.addMessage(new ParseMessage(newItem.getLineNumber(), newItem.getStartPosition(), newItem.getEndPosition(), newItem.getItemData(),
"<cfif> already has a <cfelse>"));
addOkay = false;
}
//else if(newItem.getName().compareToIgnoreCase("elseif") == 0 && lastIsElse)
else if(itemIsElseIf && lastIsElse)
{
parseMessages.addMessage(new ParseMessage(newItem.getLineNumber(), newItem.getStartPosition(), newItem.getEndPosition(), newItem.getItemData(),
"<cfelseif> after <cfelse>"));
addOkay = false;
}
else if((lastIsElseIf || lastIsElse) && !(itemIsElse || itemIsElseIf) ) // Is the previous item an else/elseif and the current item isn't one?
mostRecentItem.addChild(newItem);
else
addOkay = addOkay & super.addChild(newItem); // No elses if elseifs, so we add it to the if's children.
}
else
addOkay = addOkay & super.addChild(newItem);
return addOkay;
}
/**
* @param line
* @param startDocPos
* @param endDocPos
* @param name
*/
public CfmlTagIf(int line, int startDocPos, int endDocPos, String name) {
super(line, startDocPos, endDocPos, name);
}
}