Age | Commit message (Collapse) | Author |
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In various places in the code, we add markers (".seen") to
dictionaries as we traverse them to ensure that we don't
go into infinite loops.
Adding a dictionary entry is bad as it's a) an expensive
operation, b) a potentially destructive one, and c) produces another
possible point of failure (as mallocs can fail).
Instead, add a flag to each dict to allow them to be marked/unmarked
and use that instead.
Thanks to Zeniko for pointing out various places that could usefully
be protected against infinite recursion.
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When reading an XYZ link destination, I was writing Z over X. While
fixing this, change to cryptic enums rather than unexplained magic
numbers.
When reading the outlines out of a pdf file, better to actually store
them in a linked list rather than just dropping them.
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Move 'kind' into the fz_link_dest structure (as this makes more sense).
Put an fz_link_dest rather than just a page number into the outlines
structure.
Correct parsing of actions and dests from pdf outlines.
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Move to a non-pdf specific type for links. PDF specific parsing is
done in pdf_annots.c as before, but the essential type (and handling
functions for that type) are in a new file fitz/base_link.c.
The new type is more expressive than before; specifically all the
possible PDF modes are expressable in it. Hopefully this should
allow XPS links to be represented too.
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A couple of bits of the code SEGV in the event that values are NULL.
Fixed here by converting a do...while to a while, and adding an extra
guard in the if.
Thanks to Gaetan Bisson for the report, and patch.
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The new fz_malloc_struct(A,B) macro allocates sizeof(B) bytes using
fz_malloc, and then passes the resultant pointer to Memento_label
to label it with "B".
This costs nothing in non-memento builds, but gives much nicer
listings of leaked blocks when memento is enabled.
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Mostly redoing the xps_context to xps_document change and adding
contexts to newly written code.
Conflicts:
apps/pdfapp.c
apps/pdfapp.h
apps/x11_main.c
apps/xpsdraw.c
draw/draw_device.c
draw/draw_scale.c
fitz/base_object.c
fitz/fitz.h
pdf/mupdf.h
pdf/pdf_interpret.c
pdf/pdf_outline.c
pdf/pdf_page.c
xps/muxps.h
xps/xps_doc.c
xps/xps_xml.c
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Huge pervasive change to lots of files, adding a context for exception
handling and allocation.
In time we'll move more statics into there.
Also fix some for(i = 0; i < function(...); i++) calls.
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The run-together words are dead! Long live the underscores!
The postscript inspired naming convention of using all run-together
words has served us well, but it is now time for more readable code.
In this commit I have also added the sed script, rename.sed, that I used
to convert the source. Use it on your patches and application code.
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