overview-summary-sarissa.js.html

sarissa用于支持多浏览器的浏览及编程

    &amp;&amp; Sarissa.getDomDocument(<span class="literal">""</span>,<span class="literal">"foo"</span>, null).xml){
    <span class="comment">/**
     * Utility class to serialize DOM Node objects to XML strings
     * <span class="attrib">@constructor</span>
     */</span>
    XMLSerializer = <span class="reserved">function</span>(){};
    <span class="comment">/**
     * Serialize the given DOM Node to an XML string
     * <span class="attrib">@param</span> oNode the DOM Node to serialize
     */</span>
    XMLSerializer.<span class="reserved">prototype</span>.serializeToString = <span class="reserved">function</span>(oNode) {
        <span class="reserved">return</span> oNode.xml;
    };
};

<span class="comment">/**
 * strips tags from a markup string
 */</span>
Sarissa.stripTags = <span class="reserved">function</span> (s) {
    <span class="reserved">return</span> s.replace(/&lt;[^&gt;]+&gt;/g,<span class="literal">""</span>);
};
<span class="comment">/**
 * &lt;p&gt;Deletes all child nodes of the given node&lt;/p&gt;
 * <span class="attrib">@argument</span> oNode the Node to empty
 */</span>
Sarissa.clearChildNodes = <span class="reserved">function</span>(oNode) {
    <span class="comment">// need to check for firstChild due to opera 8 bug with hasChildNodes</span>
    <span class="reserved">while</span>(oNode.firstChild) {
        oNode.removeChild(oNode.firstChild);
    };
};
<span class="comment">/**
 * &lt;p&gt; Copies the childNodes of nodeFrom to nodeTo&lt;/p&gt;
 * &lt;p&gt; &lt;b&gt;Note:&lt;/b&gt; The second object's original content is deleted before 
 * the copy operation, unless you supply a true third parameter&lt;/p&gt;
 * <span class="attrib">@argument</span> nodeFrom the Node to copy the childNodes from
 * <span class="attrib">@argument</span> nodeTo the Node to copy the childNodes to
 * <span class="attrib">@argument</span> bPreserveExisting whether to preserve the original content of nodeTo, default is false
 */</span>
Sarissa.copyChildNodes = <span class="reserved">function</span>(nodeFrom, nodeTo, bPreserveExisting) {
    <span class="reserved">if</span>((!nodeFrom) || (!nodeTo)){
        throw <span class="literal">"Both source and destination nodes must be provided"</span>;
    };
    <span class="reserved">if</span>(!bPreserveExisting){
        Sarissa.clearChildNodes(nodeTo);
    };
    var ownerDoc = nodeTo.nodeType == Node.DOCUMENT_NODE ? nodeTo : nodeTo.ownerDocument;
    var nodes = nodeFrom.childNodes;
    <span class="reserved">if</span>(typeof(ownerDoc.importNode) != <span class="literal">"undefined"</span>)  {
        <span class="reserved">for</span>(var i=0;i &lt; nodes.length;i++) {
            nodeTo.appendChild(ownerDoc.importNode(nodes[i], true));
        };
    } <span class="reserved">else</span> {
        <span class="reserved">for</span>(var i=0;i &lt; nodes.length;i++) {
            nodeTo.appendChild(nodes[i].cloneNode(true));
        };
    };
};

<span class="comment">/**
 * &lt;p&gt; Moves the childNodes of nodeFrom to nodeTo&lt;/p&gt;
 * &lt;p&gt; &lt;b&gt;Note:&lt;/b&gt; The second object's original content is deleted before 
 * the move operation, unless you supply a true third parameter&lt;/p&gt;
 * <span class="attrib">@argument</span> nodeFrom the Node to copy the childNodes from
 * <span class="attrib">@argument</span> nodeTo the Node to copy the childNodes to
 * <span class="attrib">@argument</span> bPreserveExisting whether to preserve the original content of nodeTo, default is
 */</span> 
Sarissa.moveChildNodes = <span class="reserved">function</span>(nodeFrom, nodeTo, bPreserveExisting) {
    <span class="reserved">if</span>((!nodeFrom) || (!nodeTo)){
        throw <span class="literal">"Both source and destination nodes must be provided"</span>;
    };
    <span class="reserved">if</span>(!bPreserveExisting){
        Sarissa.clearChildNodes(nodeTo);
    };
    var nodes = nodeFrom.childNodes;
    <span class="comment">// if within the same doc, just move, else copy and delete</span>
    <span class="reserved">if</span>(nodeFrom.ownerDocument == nodeTo.ownerDocument){
        <span class="reserved">while</span>(nodeFrom.firstChild){
            nodeTo.appendChild(nodeFrom.firstChild);
        };
    } <span class="reserved">else</span> {
        var ownerDoc = nodeTo.nodeType == Node.DOCUMENT_NODE ? nodeTo : nodeTo.ownerDocument;
        <span class="reserved">if</span>(typeof(ownerDoc.importNode) != <span class="literal">"undefined"</span>) {
           <span class="reserved">for</span>(var i=0;i &lt; nodes.length;i++) {
               nodeTo.appendChild(ownerDoc.importNode(nodes[i], true));
           };
        }<span class="reserved">else</span>{
           <span class="reserved">for</span>(var i=0;i &lt; nodes.length;i++) {
               nodeTo.appendChild(nodes[i].cloneNode(true));
           };
        };
        Sarissa.clearChildNodes(nodeFrom);
    };
};

<span class="comment">/** 
 * &lt;p&gt;Serialize any object to an XML string. All properties are serialized using the property name
 * as the XML element name. Array elements are rendered as &lt;code&gt;array-item&lt;/code&gt; elements, 
 * using their index/key as the value of the &lt;code&gt;key&lt;/code&gt; attribute.&lt;/p&gt;
 * <span class="attrib">@argument</span> anyObject the object to serialize
 * <span class="attrib">@argument</span> objectName a name for that object
 * <span class="attrib">@return</span> the XML serializationj of the given object as a string
 */</span>
Sarissa.xmlize = <span class="reserved">function</span>(anyObject, objectName, indentSpace){
    indentSpace = indentSpace?indentSpace:<span class="literal">''</span>;
    var s = indentSpace  + <span class="literal">'&lt;'</span> + objectName + <span class="literal">'&gt;'</span>;
    var isLeaf = false;
    <span class="reserved">if</span>(!(anyObject instanceof Object) || anyObject instanceof Number || anyObject instanceof String 
        || anyObject instanceof Boolean || anyObject instanceof Date){
        s += Sarissa.escape(<span class="literal">""</span>+anyObject);
        isLeaf = true;
    }<span class="reserved">else</span>{
        s += <span class="literal">"\n"</span>;
        var itemKey = <span class="literal">''</span>;
        var isArrayItem = anyObject instanceof Array;
        <span class="reserved">for</span>(var name in anyObject){
            s += Sarissa.xmlize(anyObject[name], (isArrayItem?<span class="literal">"array-item key=\"</span><span class="literal">"+name+"</span>\<span class="literal">""</span>:name), indentSpace + <span class="literal">"   "</span>);
        };
        s += indentSpace;
    };
    <span class="reserved">return</span> s += (objectName.indexOf(<span class="literal">' '</span>)!=-1?<span class="literal">"&lt;/array-item&gt;\n"</span>:<span class="literal">"&lt;/"</span> + objectName + <span class="literal">"&gt;\n"</span>);
};

<span class="comment">/** 
 * Escape the given string chacters that correspond to the five predefined XML entities
 * <span class="attrib">@param</span> sXml the string to escape
 */</span>
Sarissa.escape = <span class="reserved">function</span>(sXml){
    <span class="reserved">return</span> sXml.replace(/&amp;/g, <span class="literal">"&amp;amp;"</span>)
        .replace(/&lt;/g, <span class="literal">"&amp;lt;"</span>)
        .replace(/&gt;/g, <span class="literal">"&amp;gt;"</span>)
        .replace(/<span class="literal">"/g, "</span>&amp;quot;<span class="literal">")
        .replace(/'/g, "</span>&amp;apos;<span class="literal">");
};

/** 
 * Unescape the given string. This turns the occurences of the predefined XML 
 * entities to become the characters they represent correspond to the five predefined XML entities
 * @param sXml the string to unescape
 */
Sarissa.unescape = function(sXml){
    return sXml.replace(/&amp;apos;/g,"</span>'<span class="literal">")
        .replace(/&amp;quot;/g,"</span>\<span class="literal">""</span>)
        .replace(/&amp;gt;/g,<span class="literal">"&gt;"</span>)
        .replace(/&amp;lt;/g,<span class="literal">"&lt;"</span>)
        .replace(/&amp;amp;/g,<span class="literal">"&amp;"</span>);
};
<span class="comment">//   EOF</span>
</pre>
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