874c3e0dea
+ In Text.Pandoc.Definition, added processIn, processInM, and queryIn, and deprecated processPandoc and queryPandoc for these more general functions, which are useful in writing plugins. + Added module Text.Pandoc.Plugins. + Added a --plugins option to Main, and code to run the parsed pandoc document through all the plugins. + Provided five sample plugin files in the plugins/ directory. + Documented --plugin in the pandoc man page and README. git-svn-id: https://pandoc.googlecode.com/svn/trunk@1519 788f1e2b-df1e-0410-8736-df70ead52e1b
19 lines
582 B
Haskell
19 lines
582 B
Haskell
module IncludeFilePlugin (transform) where
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import Text.Pandoc
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import Text.Pandoc.Shared
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import Control.Monad
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-- This plugin allows you to include the contents of an
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-- external file in a delimited code block like this:
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--
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-- ~~~ {include="filename"}
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-- ~~~
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--
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-- Trailing newlines are trimmed.
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transform :: Block -> IO Block
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transform cb@(CodeBlock (id, classes, namevals) contents) =
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case lookup "include" namevals of
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Just f -> return . (CodeBlock (id, classes, namevals) . stripTrailingNewlines) =<< readFile f
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Nothing -> return cb
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transform x = return x
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