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/*
Adobe Systems Incorporated(r) Source Code License Agreement
Copyright(c) 2005 Adobe Systems Incorporated. All rights reserved.
Please read this Source Code License Agreement carefully before using
the source code.
Adobe Systems Incorporated grants to you a perpetual, worldwide, non-exclusive,
no-charge, royalty-free, irrevocable copyright license, to reproduce,
prepare derivative works of, publicly display, publicly perform, and
distribute this source code and such derivative works in source or
object code form without any attribution requirements.
The name "Adobe Systems Incorporated" must not be used to endorse or promote products
derived from the source code without prior written permission.
You agree to indemnify, hold harmless and defend Adobe Systems Incorporated from and
against any loss, damage, claims or lawsuits, including attorney's
fees that arise or result from your use or distribution of the source
code.
THIS SOURCE CODE IS PROVIDED "AS IS" AND "WITH ALL FAULTS", WITHOUT
ANY TECHNICAL SUPPORT OR ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING,
BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE ARE DISCLAIMED. ALSO, THERE IS NO WARRANTY OF
NON-INFRINGEMENT, TITLE OR QUIET ENJOYMENT. IN NO EVENT SHALL MACROMEDIA
OR ITS SUPPLIERS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOURCE CODE, EVEN IF
ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.adobe.utils
{
public class XMLUtil
{
/**
* Constant representing a text node type returned from XML.nodeKind.
*
* @see XML.nodeKind()
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static const TEXT:String = "text";
/**
* Constant representing a comment node type returned from XML.nodeKind.
*
* @see XML.nodeKind()
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static const COMMENT:String = "comment";
/**
* Constant representing a processing instruction type returned from XML.nodeKind.
*
* @see XML.nodeKind()
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static const PROCESSING_INSTRUCTION:String = "processing-instruction";
/**
* Constant representing an attribute type returned from XML.nodeKind.
*
* @see XML.nodeKind()
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static const ATTRIBUTE:String = "attribute";
/**
* Constant representing a element type returned from XML.nodeKind.
*
* @see XML.nodeKind()
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static const ELEMENT:String = "element";
/**
* Checks whether the specified string is valid and well formed XML.
*
* @param data The string that is being checked to see if it is valid XML.
*
* @return A Boolean value indicating whether the specified string is
* valid XML.
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static function isValidXML(data:String):Boolean
{
var xml:XML;
try
{
xml = new XML(data);
}
catch(e:Error)
{
return false;
}
if(xml.nodeKind() != XMLUtil.ELEMENT)
{
return false;
}
return true;
}
/**
* Returns the next sibling of the specified node relative to the node's parent.
*
* @param x The node whose next sibling will be returned.
*
* @return The next sibling of the node. null if the node does not have
* a sibling after it, or if the node has no parent.
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static function getNextSibling(x:XML):XML
{
return XMLUtil.getSiblingByIndex(x, 1);
}
/**
* Returns the sibling before the specified node relative to the node's parent.
*
* @param x The node whose sibling before it will be returned.
*
* @return The sibling before the node. null if the node does not have
* a sibling before it, or if the node has no parent.
*
* @langversion ActionScript 3.0
* @playerversion Flash 9.0
*/
public static function getPreviousSibling(x:XML):XML
{
return XMLUtil.getSiblingByIndex(x, -1);
}
protected static function getSiblingByIndex(x:XML, count:int):XML
{
var out:XML;
try
{
out = x.parent().children()[x.childIndex() + count];
}
catch(e:Error)
{
return null;
}
return out;
}
}
}
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