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graphvizWordAlignment in the C runtime

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This commit is contained in:
Krasimir Angelov
2017-08-31 13:03:11 +02:00
parent eaf9f0c3ac
commit b9c04fd612
5 changed files with 101 additions and 10 deletions
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15
src/runtime/haskell-bind/PGF2.hsc
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@@ -67,7 +67,7 @@ module PGF2 (-- * PGF
MorphoAnalysis, lookupMorpho, fullFormLexicon,
-- ** Visualizations
GraphvizOptions(..), graphvizDefaults,
graphvizAbstractTree, graphvizParseTree,
graphvizAbstractTree, graphvizParseTree, graphvizWordAlignment,
-- * Exceptions
PGFError(..),
@@ -357,6 +357,19 @@ graphvizParseTree c opts e =
s <- gu_string_buf_freeze sb tmpPl
peekUtf8CString s
graphvizWordAlignment :: [Concr] -> GraphvizOptions -> Expr -> String
graphvizWordAlignment cs opts e =
unsafePerformIO $
withGuPool $ \tmpPl ->
withArrayLen (map concr cs) $ \n_concrs ptr ->
do (sb,out) <- newOut tmpPl
exn <- gu_new_exn tmpPl
c_opts <- newGraphvizOptions tmpPl opts
pgf_graphviz_word_alignment ptr (fromIntegral n_concrs) (expr e) c_opts out exn
touchExpr e
s <- gu_string_buf_freeze sb tmpPl
peekUtf8CString s
newGraphvizOptions :: Ptr GuPool -> GraphvizOptions -> IO (Ptr PgfGraphvizOptions)
newGraphvizOptions pool opts = do
c_opts <- gu_malloc pool (#size PgfGraphvizOptions)