1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
|
{-# LANGUAGE PatternGuards #-}
{-
Copyright (C) 2008 Andrea Rossato <andrea.rossato@ing.unitn.it>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-}
{- |
Module : Text.Pandoc.Biblio
Copyright : Copyright (C) 2008-2010 Andrea Rossato
License : GNU GPL, version 2 or above
Maintainer : Andrea Rossato <andrea.rossato@unitn.it>
Stability : alpha
Portability : portable
-}
module Text.Pandoc.Biblio ( processBiblio ) where
import Data.List
import Data.Unique
import Data.Char ( isDigit, isPunctuation )
import qualified Data.Map as M
import Text.CSL hiding ( Cite(..), Citation(..) )
import qualified Text.CSL as CSL ( Cite(..) )
import Text.Pandoc.Definition
import Text.Pandoc.Generic
import Text.Pandoc.Shared (stringify)
import Text.Parsec
import Control.Monad
-- | Process a 'Pandoc' document by adding citations formatted
-- according to a CSL style, using 'citeproc' from citeproc-hs.
processBiblio :: FilePath -> Maybe FilePath -> [Reference] -> Pandoc
-> IO Pandoc
processBiblio cslfile abrfile r p
= if null r then return p
else do
csl <- readCSLFile cslfile
abbrevs <- case abrfile of
Just f -> readJsonAbbrevFile f
Nothing -> return []
p' <- bottomUpM setHash p
let grps = queryWith getCitation p'
style = csl { styleAbbrevs = abbrevs }
result = citeproc procOpts style r (setNearNote style $
map (map toCslCite) grps)
cits_map = M.fromList $ zip grps (citations result)
biblioList = map (renderPandoc' style) (bibliography result)
Pandoc m b = bottomUp (processCite style cits_map) p'
b' = bottomUp mvPunct $ deNote b
return $ Pandoc m $ b' ++ biblioList
-- | Substitute 'Cite' elements with formatted citations.
processCite :: Style -> M.Map [Citation] [FormattedOutput] -> Inline -> Inline
processCite s cs (Cite t _) =
case M.lookup t cs of
Just (x:xs)
| isTextualCitation t && not (null xs) ->
let xs' = renderPandoc s xs
in if styleClass s == "note"
then Cite t (renderPandoc s [x] ++ [Note [Para xs']])
else Cite t (renderPandoc s [x] ++ [Space | not (startWithPunct xs')] ++ xs')
| otherwise -> if styleClass s == "note"
then Cite t [Note [Para $ renderPandoc s (x:xs)]]
else Cite t (renderPandoc s (x:xs))
_ -> Strong [Str "???"] -- TODO raise error instead?
processCite _ _ x = x
isNote :: Inline -> Bool
isNote (Note _) = True
isNote (Cite _ [Note _]) = True
isNote _ = False
mvPunct :: [Inline] -> [Inline]
mvPunct (Space : Space : xs) = Space : xs
mvPunct (Space : x : ys) | isNote x, startWithPunct ys =
Str (headInline ys) : x : tailFirstInlineStr ys
mvPunct (Space : x : ys) | isNote x = x : ys
mvPunct xs = xs
sanitize :: [Inline] -> [Inline]
sanitize xs | endWithPunct xs = toCapital' xs
| otherwise = toCapital' (xs ++ [Str "."])
-- NOTE: toCapital' works around a bug in toCapital from citeproc-hs 0.3.4.
-- When citeproc-hs is fixed, we can return to using toCapital in sanitize.
toCapital' :: [Inline] -> [Inline]
toCapital' [] = []
toCapital' xs = case toCapital xs of
[] -> xs
ys -> ys
deNote :: [Block] -> [Block]
deNote = topDown go
where go (Note [Para xs]) = Note $ bottomUp go' [Para $ sanitize xs]
go (Note xs) = Note $ bottomUp go' xs
go x = x
go' (Note [Para xs]:ys) =
if startWithPunct ys && endWithPunct xs
then initInline xs ++ ys
else xs ++ ys
go' xs = xs
isTextualCitation :: [Citation] -> Bool
isTextualCitation (c:_) = citationMode c == AuthorInText
isTextualCitation _ = False
-- | Retrieve all citations from a 'Pandoc' docuument. To be used with
-- 'queryWith'.
getCitation :: Inline -> [[Citation]]
getCitation i | Cite t _ <- i = [t]
| otherwise = []
setHash :: Citation -> IO Citation
setHash (Citation i p s cm nn _)
= hashUnique `fmap` newUnique >>= return . Citation i p s cm nn
toCslCite :: Citation -> CSL.Cite
toCslCite c
= let (l, s) = locatorWords $ citationSuffix c
(la,lo) = parseLocator l
s' = case (l,s,citationMode c) of
-- treat a bare locator as if it begins with comma
-- so @item1 [blah] is like [@item1, blah]
("",(x:_),AuthorInText) | not (isPunct x)
-> [Str ",",Space] ++ s
_ -> s
isPunct (Str (x:_)) = isPunctuation x
isPunct _ = False
citMode = case citationMode c of
AuthorInText -> (True, False)
SuppressAuthor -> (False,True )
NormalCitation -> (False,False)
in emptyCite { CSL.citeId = citationId c
, CSL.citePrefix = PandocText $ citationPrefix c
, CSL.citeSuffix = PandocText s'
, CSL.citeLabel = la
, CSL.citeLocator = lo
, CSL.citeNoteNumber = show $ citationNoteNum c
, CSL.authorInText = fst citMode
, CSL.suppressAuthor = snd citMode
, CSL.citeHash = citationHash c
}
locatorWords :: [Inline] -> (String, [Inline])
locatorWords inp =
case parse pLocatorWords "suffix" $ breakup inp of
Right r -> r
Left _ -> ("",inp)
where breakup [] = []
breakup (Str x : xs) = map Str (splitup x) ++ breakup xs
breakup (x : xs) = x : breakup xs
splitup = groupBy (\x y -> x /= '\160' && y /= '\160')
pLocatorWords :: Parsec [Inline] st (String, [Inline])
pLocatorWords = do
l <- pLocator
s <- getInput -- rest is suffix
if length l > 0 && last l == ','
then return (init l, Str "," : s)
else return (l, s)
pMatch :: (Inline -> Bool) -> Parsec [Inline] st Inline
pMatch condition = try $ do
t <- anyToken
guard $ condition t
return t
pSpace :: Parsec [Inline] st Inline
pSpace = pMatch (\t -> t == Space || t == Str "\160")
pLocator :: Parsec [Inline] st String
pLocator = try $ do
optional $ pMatch (== Str ",")
optional pSpace
f <- many1 (notFollowedBy pSpace >> anyToken)
gs <- many1 pWordWithDigits
return $ stringify f ++ (' ' : unwords gs)
pWordWithDigits :: Parsec [Inline] st String
pWordWithDigits = try $ do
pSpace
r <- many1 (notFollowedBy pSpace >> anyToken)
let s = stringify r
guard $ any isDigit s
return s
|
