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path: root/src/Text/Pandoc/Writers/Powerpoint/Presentation.hs
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2018-01-15Powerpoint writer: Ignore anchor links to nowehere.Jesse Rosenthal1-3/+6
We don't convert a '#target' ExternalTarget to an InternalTarget if `target` is not in the AnchorMap. We just remove the link. This prevents broken links in the Powerpoint output.
2018-01-14Powerpoint writer: Fix anchor links.Jesse Rosenthal1-17/+59
They were broken when I refactored (the Output module wanted to use state left over from the construction of the Presentation type). This change introduces a new type `LinkTarget = InternalTarget | ExternalTarget`. Internal target points to a slide number, and these will all be resolved before the Presentation is passed along to the Output module.
2018-01-14Powerpoint writer: Refactor into separate modules.Jesse Rosenthal1-0/+701
There are two steps in the conversion: a conversion from pandoc to a Presentation datatype modeling pptx, and a conversion from Presentation to a pptx archive. The two steps were sharing the same state and environment, and the code was getting a bit spaghetti-ish. This separates the conversion into separate modules (T.P.W.Powerpoint.Presentation, which defineds the Presentation datatype and goes Pandoc->Presentation) and (T.P.W.Pandoc.Output, which goes Presentation->Archive). Text.Pandoc.Writers.Powerpoint a thin wrapper around the two modules.