Re: NSXMLDocument unable to parse valid HTML with scripts in the body [SOLVED]

FROM : Marcus S. Zarra
DATE : Wed Feb 06 20:56:17 2008

Diez,

Yes that was it exactly.  Thank you for taking a look at it.

Marcus

On Feb 6, 2008, at 12:43 PM, Diez B. Roggisch wrote:

> Marcus S. Zarra schrieb:

>> Greetings List,
>> I have been trying to solve this issue for a while.  Nothing is 
>> coming up on the lists, google, cocoadev, etc. that is similar to 
>> the issue that I am having.
>> The code to reproduce this behavior is simple:
>> NSError *error = nil;
>> NSURL *url = [NSURL URLWithString:@"http://web.mac.com/mzarra/Test/Original.html
>> "];
>> NSXMLDocument *document = [[NSXMLDocument alloc] 
>> initWithContentsOfURL:url options:NSXMLDocumentTidyHTML 
>> error:&error];
>> NSAssert(error == nil, ([NSString stringWithFormat:@"Error reading 
>> file: %@", error]));
>> If you run that code (the html page is safe for work), 
>> NSXMLDocument will give an error back of:
>> Exception raised during posting of notification.  Ignored. 
>> exception: 'Error reading file: Error Domain=NSXMLParserErrorDomain 
>> Code=23 UserInfo=0x1f1550 "Line 140: EntityRef: expecting ';'
>> And will return a nil NSXMLDocument.  The line that it is 
>> complaining about is:
>> <div class="CounterDivClass"><script type="text/javascript" src="http://web.mac.com/i/chp/NGHitCounter.js
>> "></script>
>> Which, as far as I can tell, is perfectly valid html.
>> I have tried every input option available for loading the document 
>> but none of them change the error.  Even more interesting, if I 
>> just initialize an NSXMLParser prior to loading the document then 
>> the document will load but it will mutilate the tree and actually 
>> make the document invalid!
>> To duplicate this add the line:
>> [[[NSXMLParser alloc] initWithData:data] autorelease];
>> Just before the NSXMLDocument *document... line above and rerun the 
>> test.  The document will pass but a large chunk (starting after 
>> line 140) will no longer be in the document.
>> So the questions that I am hoping to get resolved are:
>> 1.  Why is this throwing an error?
>> 2.  How can I get past it to properly load the XML Document 
>> (preferably without having to build my own tree).
>> FYI, This html code is generated by iWeb...
>> Thanks for any and all help, suggestions, etc.
>> Marcus

>
> For me, the line in question looks like this:
>
>            <div class="CounterDivClass"><script type="text/
> javascript" src=""></
> script><script type="text/javascript" src="http://web.mac.com/mzarra/.Counters/856B9B8D-11A7-46F6-869D-21AC046402D3?webdav-method=propget&counter
> "></script><div id="CounterDiv"><img src="http://web.mac.com/i/chp/1/spacer.gif
> " alt="" /></div></div><a href="" title="<A href="http://www.mac.com">http://www.mac.com
> "><img src="Welcome_files/mwmac.png" alt="Made on a Mac" 
> style="border: none; height: 50px; left: 24px; opacity: 0.55; 
> position: absolute; top: 29px; width: 139px; z-index: 1; " id="id2" />
>
>
> Look at the &counter  in the second script-tag. You should use an 
> &amp; there I guess.
>
> Diez