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update TODO

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git-svn-id: svn+q:///qpdf/trunk@741 71b93d88-0707-0410-a8cf-f5a4172ac649
This commit is contained in:
Jay Berkenbilt 2009-09-27 21:07:45 +00:00
parent d6d36b6ced
commit c0a816a625
1 changed files with 9 additions and 8 deletions
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17
TODO
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@ -1,11 +1,6 @@
2.1
===
* Be able to trap I/O errors separately from other errors; especially
be able to separate errors that the user can fix (like permission
errors) from errors that they probably can't fix like corrupted PDF
files, unsupported filters, or internal errors.
* Add ability to create new streams or replace stream data. Consider
stream data sources to include a file and offset, a buffer, or a
some kind of callback mechanism. Find messages exchanged with
@ -16,13 +11,19 @@
files...ideally we should provide the object number currently being
read
* See if it is possible to support rewriting a file in place or at
least to detect and block this
General
=======
* It might be nice to be able to trap I/O errors separately from
other errors; especially be able to separate errors that the user
can fix (like permission errors) from errors that they probably
can't fix like corrupted PDF files, unsupported filters, or
internal errors. However, only QPDF::processFile(), which does the
initial read, and QPDFWriter::QPDFWriter(), which does the initial
write, are at all likely to generate such errors for a case other
than a catastrophic failure.
* See whether we can do anything with /V > 3 in the encryption
dictionary. (V = 4 is Crypt Filters.)