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Using the Document Architecture and Reading files one buffer at a time

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Using the Document Architecture and Reading files one buffer at a time

Subject: Using the Document Architecture and Reading files one buffer at a time
From: Korei Klein <email@hidden>
Date: Thu, 23 Jul 2009 14:46:22 -0500

I'm trying to use the document architecture in an application that will create documents for some very big files. I'd like not to have an entire file in memory at once. To use the document architecture, I'm subclassing NSDocument and overriding the readFromFileWrapper method. As far as I can tell, there is no way to use a FileWrapper object to read a file one buffer at a time.

Can I find out a filename, or a filehandle from a FileWrapper? Alternatively, is there any way to have an NSDocument using the document architecture which reads its files one buffer at a time?


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