Review Request: make parsing of fo:clip more strict, but also backward compatible

[C. Boemann]

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It looks safe enough except for my little concern.

Also while all your extra check probably doens't do any harm - do we have reason to believe they are needed?


libs/flake/KoOdfWorkaround.cpp
<http://git.reviewboard.kde.org/r/105528/#comment12235>

    are we sure this will hold


- C. Boemann


On July 12, 2012, 6:52 p.m., Friedrich W. H. Kossebau wrote:
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> (Updated July 12, 2012, 6:52 p.m.)
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> 
> Review request for Calligra, Inge Wallin and C. Boemann.
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> Description
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> As can be seen e.g. in odf/odt/OpenDocument-v1.1.odt from the calligratests, some OOo versions did not use commas as separators for the offset values in the value "rect(...)" for the attribute "fo:clip". So the parsing fails, for the given document e.g. with
> --- 8< ---
> KoUnit::parseValue: KoUnit::parseValue: Unit  "cm0cm0cm0cm"  is not supported, please report.
> --- 8< ---
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> And while I created the attached patch with a workaround I changed the code to also:
>     * detect "auto" values in rect(...)
>     * check number of values in rect(...)
>     * handle negative values in rect(...)
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> Okay to backport to 2.5?
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> Diffs
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>   libs/flake/KoOdfWorkaround.h 18b801f 
>   libs/flake/KoOdfWorkaround.cpp 9b8fce9 
>   plugins/pictureshape/PictureShape.h 3937573 
>   plugins/pictureshape/PictureShape.cpp 40c609b 
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> Diff: http://git.reviewboard.kde.org/r/105528/diff/
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> Testing
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> Thanks,
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> Friedrich W. H. Kossebau
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>

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