On Apr 14, 3:11 pm, Doug Reeder <reeder...@gmail.com> wrote:
> I'd like to allow the user to select a file from his/her filesystem,
> and process it locally. Due to heightened security (or at least the
> semblance thereof) the value of a file input element is just the name
> of the file, not the full path, in many modern browsers, so the file
> path can't be turned into a "file:" URL that can be loaded via AJAX.
> Is there a way to access the contents of the file using Prototype?
Nothing to do with AJAX (where AJAX is a pseudonym for
xmlHttpRequest). If it's an XML document, it can be loaded using a
fairly simple script:
function loadXMLFile(fileName) {
var xmlDoc;
// W3C compliant
if (document && document.implementation &&
document.implementation.createDocument ) {
xmlDoc = document.implementation.createDocument("","",null);
} else {
// IE model
try {
xmlDoc = new ActiveXObject('Msxml2.DOMDocument');
} catch( e){}
}
if (xmlDoc) {
xmlDoc.async = false;
try {
var loadOK = xmlDoc.load(fileName);
} catch(e) {}
}
return loadOK? xmlDoc : null;
}
Call using the value of the file input, it returns an XML document or
null if the load failed.
--
Rob
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