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Simplest possible method: html break in XML doc.

Answer 1

A:

How about using a XSLT stylesheet to format your incoming XML. Save the following as an .html file for an example. Sources : http://www.w3schools.com/xsl/xsl_client.asp & http://www.w3schools.com/dom/dom_parser.asp

<html>
<head>
    <script>
        //YOUR XML FROM AJAX
        var XML = "<top><meta><itemone>test meta</itemone></meta><rows><row>line one</row><row>line two</row><row>line three</row></rows></top>";
        //A stylesheet to format the lines that come back.
        var XSLT = '<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform"&gt;&lt;xsl:template match="/"><h2>Lines</h2><xsl:for-each select="descendant::row"><xsl:value-of select="self::*"/><br /></xsl:for-each></xsl:template></xsl:stylesheet>'

        function loadXMLDoc(xml)
        {
            var tempXML;
            //IE
            if (window.ActiveXObject)
            {
                tempXML=new ActiveXObject("Microsoft.XMLDOM");
                tempXML.loadXML(xml);
            }
            else if(window.DOMParser)
            {
                parser=new DOMParser();
                tempXML=parser.parseFromString(xml,"text/xml");
            }
            return tempXML;
        }

        function displayResult()
        {
            var xmlDoc = loadXMLDoc(XML);
            var xsltDoc = loadXMLDoc(XSLT);
            // code for IE
            if (window.ActiveXObject)
            {
                var ex=xmlDoc.transformNode(xsltDoc);
                document.getElementById("example").innerHTML=ex;
            }
            // code for Mozilla, Firefox, Opera, etc.
            else if (document.implementation && document.implementation.createDocument)
            {
                var xsltProcessor=new XSLTProcessor();
                xsltProcessor.importStylesheet(xsltDoc);
                var resultDocument = xsltProcessor.transformToFragment(xmlDoc,document);
                document.getElementById("example").appendChild(resultDocument);
            }
        }
    </script>
</head>
<body onload="displayResult()">
<div id="example" />
</body>
</html>

Brandon Boone 2010-08-18 13:50:05

Thanks for this, I may end up needing to use this or something like it in the near future, but for now it isn't quite simplest possible...

conartist6 2010-08-23 23:17:55

Answer 2

A:

Thanks for all the good suggestions, but I eventually decided to just prepend a fixed number of descriptor bytes to each text response and then use the substring command to get either the descriptor bytes or the main text response. This allows me to keep using the simpler response-text mechanism, and is otherwise uncomplicated. I would have used custom headers but I realized that that would have required buffering the whole output in yet ANOTHER place since the php script actually only contains a single system() call, and has no idea what the C program behind it is doing.

conartist6 2010-08-23 23:17:05

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Simplest possible method: html break in XML doc.

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