loadRequest vs loadData

• Subject: loadRequest vs loadData
• From: "James Rodden" <email@hidden>
• Date: Wed, 15 Aug 2007 14:02:09 -0700
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• Delivered-to: email@hidden
• Thread-index: Acfff4s+ot/Vigw3Q9+mjZgFqAx6jg==
• Thread-topic: loadRequest vs loadData

I'm resubmitting this question because I really need help with this and haven't gotten any responses yet;



I'm trying to better understand (and debug) the page load process. I 

have an xml file that loads an xsl stylesheet to convert it to html. 

When I use the following line, it works as expected:




const NSURL* fileURL =

[NSURL URLWithString:@"myxml.xml" relativeToURL:absoluteURL];




[mainFrame loadRequest:[NSURLRequest requestWithURL:fileURL]];




but when I try to load the xml into memory so that I can make changes 

to it before loading, the following fails:




const NSURL* fileURL =

[NSURL URLWithString:@"myxml.xml" relativeToURL:absoluteURL];




const NSFileHandle* fileHandle =

[NSFileHandle fileHandleForReadingAtPath:[fileURL path]];




NSMutableString* myXML = [[[NSString alloc]

initWithData: [fileHandle readDataToEndOfFile]

encoding: NSUTF8StringEncoding] autorelease];




myXML = [[myXML mutableCopy] autorelease];

// make some changes to the xml via insertString:




[mainFrame loadData:[skinXML dataUsingEncoding:NSUTF8StringEncoding]

MIMEType:@"text/xml" textEncodingName:@"utf-8" baseURL:absoluteURL];




I've tried using kCFStringEncodingUTF16 (and "utf-16") for the 

encoding arguments, and fileURL for the baseURL argument, but all 

forms fail. Even stubbing out the lines that mutate the xml 

(including the mutableCopy) doesn't work. I've verified that myXML 

contains the correct contents of the file. Again, loading the same 

file directly via loadRequest works fine (making the same changes to 

the xml via text editor prior to execution). How do I duplicate the 

loadRequest functionality in such a way that I can mutate the xml at 

runtime?







Thanks!




Jim

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