Re: Porting BASIC text mangling app to Objective-C
On Mar 25, 2009, at 12:06 AM, Ricardo Balderas wrote:
I'm starting with a Cocoa Document Based project, but am having
trouble with Opening and Saving of documents. The stump comments in
MyDocument.m are beyond me still, and I've tried the "Building a
Text Editor in 15 minutes" example, but the opening and saving
documents part is a bit outdated and gets confusing. Could you help
me with a simple and well explained sample code of how to Open and
Save files? Also, how can I make the app save .txt or .rtf files? I
managed to make it output .???? files and read them back, but trying
to add other file types (taken from the TextEdit source code) led to
problems reopening a saved file.
A document-based approach is probably not useful for your example. If
you really want to get into file management in Cocoa, refer to the
NSFile* classes. At this early stage, I wouldn't bother yet and just
look at NSString's -initWithContentsOfFile:encoding:error: and -
writeToFile:atomically:encoding:error: and the NSScanner class.
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