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/* SpryXML.js - Revision: Spry Preview Release 1.3 */
// Copyright (c) 2006. Adobe Systems Incorporated.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
// * Neither the name of Adobe Systems Incorporated nor the names of its
// contributors may be used to endorse or promote products derived from this
// software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS 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 SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
var Spry; if (!Spry) Spry = {}; if (!Spry.XML) Spry.XML = {}; if (!Spry.XML.Schema) Spry.XML.Schema = {};
Spry.XML.Schema.Node = function(nodeName)
{
this.nodeName = nodeName;
this.isAttribute = false;
this.appearsMoreThanOnce = false;
this.children = new Array;
};
Spry.XML.Schema.Node.prototype.toString = function (indentStr)
{
if (!indentStr)
indentStr = "";
var str = indentStr + this.nodeName;
if (this.appearsMoreThanOnce)
str += " (+)";
str += "\n";
var newIndentStr = indentStr + " ";
for (var $childName in this.children)
{
var child = this.children[$childName];
if (child.isAttribute)
str += newIndentStr + child.nodeName + "\n";
else
str += child.toString(newIndentStr);
}
return str;
};
Spry.XML.Schema.mapElementIntoSchemaNode = function(ele, schemaNode)
{
if (!ele || !schemaNode)
return;
// Add all attributes as children to schemaNode!
var i = 0;
for (i = 0; i < ele.attributes.length; i++)
{
var attr = ele.attributes.item(i);
if (attr && attr.nodeType == 2 /* Node.ATTRIBUTE_NODE */)
{
var attrName = "@" + attr.name;
// We don't track the number of times an attribute appears
// in a given element so we only handle the case where the
// attribute doesn't already exist in the schemaNode.children array.
if (!schemaNode.children[attrName])
{
var attrObj = new Spry.XML.Schema.Node(attrName);
attrObj.isAttribute = true;
schemaNode.children[attrName] = attrObj;
}
}
}
// Now add all of element's element children as children of schemaNode!
var child = ele.firstChild;
var namesSeenSoFar = new Array;
while (child)
{
if (child.nodeType == 1 /* Node.ELEMENT_NODE */)
{
var childSchemaNode = schemaNode.children[child.nodeName];
if (!childSchemaNode)
{
childSchemaNode = new Spry.XML.Schema.Node(child.nodeName);
if (childSchemaNode)
schemaNode.children[child.nodeName] = childSchemaNode;
}
if (childSchemaNode)
{
if (namesSeenSoFar[childSchemaNode.nodeName])
childSchemaNode.appearsMoreThanOnce = true;
else
namesSeenSoFar[childSchemaNode.nodeName] = true;
}
Spry.XML.Schema.mapElementIntoSchemaNode(child, childSchemaNode);
}
child = child.nextSibling;
}
};
Spry.XML.getSchemaForElement = function(ele)
{
if (!ele)
return null;
schemaNode = new Spry.XML.Schema.Node(ele.nodeName);
Spry.XML.Schema.mapElementIntoSchemaNode(ele, schemaNode);
return schemaNode;
};
Spry.XML.getSchema = function(xmlDoc)
{
if (!xmlDoc)
return null;
// Find the first element in the document that doesn't start with "xml".
// According to the XML spec tags with names that start with "xml" are reserved
// for future use.
var node = xmlDoc.firstChild;
while (node)
{
if (node.nodeType == 1 /* Node.ELEMENT_NODE */)
break;
node = node.nextSibling;
}
return Spry.XML.getSchemaForElement(node);
};
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