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LOG.inform("XMLDOC.DomReader loaded");
XMLDOC.DomReader = function(root) {
this.dom = root;
/**
* The current node the reader is on
*/
this.node = root;
/**
* Get the current node the reader is on
* @type XMLDOC.Parser.node
*/
XMLDOC.DomReader.prototype.getNode = function() {
return this.node;
};
/**
* Set the node the reader should be positioned on.
* @param node {XMLDOC.Parser.node}
*/
XMLDOC.DomReader.prototype.setNode = function(node) {
this.node = node;
};
/**
* A helper method to make sure the current node will
* never return null, unless null is passed as the root.
* @param step {String} An expression to evaluate - should return a node or null
*/
XMLDOC.DomReader.prototype.navigate = function(step) {
var n;
if ((n = step) != null)
{
this.node = n;
return this.node;
}
return null;
};
/**
* Get the root node of the current node's document.
*/
XMLDOC.DomReader.prototype.root = function() {
this.navigate(this.dom);
};
/**
* Get the parent of the current node.
*/
XMLDOC.DomReader.prototype.parent = function() {
return this.navigate(this.node.parentNode());
};
/**
* Get the first child of the current node.
*/
XMLDOC.DomReader.prototype.firstChild = function() {
return this.navigate(this.node.firstChild());
};
/**
* Get the last child of the current node.
*/
XMLDOC.DomReader.prototype.lastChild = function() {
return this.navigate(this.node.lastChild());
};
/**
* Get the next sibling of the current node.
*/
XMLDOC.DomReader.prototype.nextSibling = function() {
return this.navigate(this.node.nextSibling());
};
/**
* Get the previous sibling of the current node.
*/
XMLDOC.DomReader.prototype.prevSibling = function() {
return this.navigate(this.node.prevSibling());
};
//===============================================================================================
// Support methods
/**
* Walk the tree starting with the current node, calling the plug-in for
* each node visited. Each time the plug-in is called, the DomReader
* is passed as the only parameter. Use the {@link XMLDOC.DomReader#getNode} method
* to access the current node. <i>This method uses a depth first traversal pattern.</i>
*
* @param srcFile {String} The source file being evaluated
*/
XMLDOC.DomReader.prototype.getSymbols = function(srcFile)
{
XMLDOC.DomReader.symbols = [];
XMLDOC.DomReader.currentFile = srcFile;
JSDOC.Symbol.srcFile = (srcFile || "");
if (defined(JSDOC.PluginManager)) {
JSDOC.PluginManager.run("onDomGetSymbols", this);
}
return XMLDOC.DomReader.symbols;
};
/**
* Find the node with the given name using a depth first traversal.
* Does not modify the DomReader's current node.
*
* @param name {String} The name of the node to find
* @return the node that was found, or null if not found
*/
XMLDOC.DomReader.prototype.findNode = function(name)
{
var findNode = null;
// Start at the current node and move into the subtree,
// looking for the node with the given name
function deeper(node, find)
{
var look = null;
if (node) {
if (node.name == find)
{
return node;
}
if (node.firstChild())
{
look = deeper(node.firstChild(), find);
}
if (!look && node.nextSibling())
{
look = deeper(node.nextSibling(), find);
}
}
return look;
}
return deeper(this.getNode().firstChild(), name);
};
/**
* Find the next node with the given name using a depth first traversal.
*
* @param name {String} The name of the node to find
*/
XMLDOC.DomReader.prototype.findPreviousNode = function(name)
{
};
};
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