endless-loop in module Prawn::Format format_wrapped_text
Reported by andreas | December 3rd, 2009 @ 07:43 AM
Hi,
In certain conditions, while writing HTML formatted text to a
bounding_box - we experience infinite loops(processes memory grows
infinitely high, CPU usage 100%).
To be more specific: this happens as we try to create a huge text
in a absolutely positioned, stretchy bounding box. The text exceeds
the bounding box limits and thus will be split across several pages
- but this works ok.
When we try to write the next small line of formatted text in the same bounding box the endless loop begins.
After a little bit of debugging I found out that the endless loop occurs in the file prawn-format-0.2.3/lib/prawn/format.rb - function format_wrapped_text - aprox. lines 188-204. an infinite amount of new pages are created, but for some reason or another bounds.absolute_top will return a never changing NEGATIVE value.
Keep up the great work,
Andreas.
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andreas