PSPP-BUG: [patch #5209] Proposed casefile changes

[John Darrington]

Update of patch #5209 (project pspp):

                  Status:                    None => In Progress            
             Assigned to:                     jmd => blp                    

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Follow-up Comment #3:

Here's the second revision.  It's probably still in need of work.

1. I'm wondering if flexifile.[ch] shouldn't be moved to src/ui

2. I'm trying to think of a better way of mutating a value in a casefile.  
Currently, I'm using case_data(&cc, fv) and casting away the const in the
return value.

3. In psppire-case-file.c, I'm making a pass through the fastfile returned
from sort_execute, in order to get a flexifile.  This pass would be
unnecessary if there was some way of telling sort_execute what sort of
casefile to return the result.

This patch also fixes a lot of gui code to use the flexifile.  The resulting
gui is quite stable and functional;  still a few bugs but I think it's a
major step forward.
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Additional Item Attachment:

File name: casefile-patch2                Size:117 KB
Second revision
<http://savannah.gnu.org/patch/download.php?file_id=10329>

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