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Question about serializing XML structures in JavaScript. See comment below for explanation.
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function xmlVisit (adrx, callback, level, path) { | |
if (level === undefined) { | |
level = 0; | |
} | |
if (path === undefined) { | |
path = ""; | |
} | |
$(adrx).children ("outline").each (function () { | |
var flvisitsubs = true, name = xmlGetNodeName (this); | |
xmlExpandInclude (this); | |
if (callback != undefined) { | |
if (!callback (this, level, path + name)) { | |
flvisitsubs = false; | |
} | |
} | |
if (flvisitsubs) { | |
if (!xmlVisit (this, callback, level + 1, path + name + "/")) { | |
return (false); | |
} | |
} | |
}); | |
return (true); | |
} | |
function opmlEmojify (opmltext) { | |
var xstruct = $($.parseXML (opmltext)); | |
var adropml = xmlGetAddress (xstruct, "opml"); | |
var adrhead = xmlGetAddress (adropml, "head"); | |
var adrbody = xmlGetAddress (adropml, "body"); | |
emojify.setConfig ({ | |
img_dir: "http://fargo.io/code/emojify/images/emoji", | |
}); | |
xmlVisit (adrbody, function (adrx, level, path) { | |
var textatt = xmlGetTextAtt (adrx); | |
var s = emojify.replace (textatt); | |
if (s != textatt) { | |
xmlSetAttribute (adrx, "text", s) | |
console.log (s); | |
} | |
return (true); | |
}); | |
var serializer = new XMLSerializer (); | |
opmltext = serializer.serializeToString (xstruct); | |
console.log (opmltext); | |
return (opmltext); | |
} |
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I want to write a routine that emojifies an OPML file.
It takes OPML text as input, parses it, walks the whole structure, and emojifies the text, and then replaces the original text with the new text.
At the end of the traversal, it re-serializes the XML text, and returns it.
However, I get an error at the crucial point, the call to serializeToString.
Uncaught TypeError: Failed to execute 'serializeToString' on 'XMLSerializer': Invalid node value.
Here's a file that contains good example text.
http://liveblog.co/users/davewiner/myNoteblog.opml