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
|
{-# OPTIONS_GHC -fglasgow-exts #-} -- for deriving Typeable
{-
Copyright (C) 2006-7 John MacFarlane <jgm@berkeley.edu>
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.Definition
Copyright : Copyright (C) 2006-7 John MacFarlane
License : GNU GPL, version 2 or above
Maintainer : John MacFarlane <jgm@berkeley.edu>
Stability : alpha
Portability : portable
Definition of 'Pandoc' data structure for format-neutral representation
of documents.
-}
module Text.Pandoc.Definition where
import Data.Generics
data Pandoc = Pandoc Meta [Block] deriving (Eq, Read, Show, Typeable, Data)
-- | Bibliographic information for the document: title (list of 'Inline'),
-- authors (list of strings), date (string).
data Meta = Meta [Inline] -- title
[String] -- authors
String -- date
deriving (Eq, Show, Read, Typeable, Data)
-- | Alignment of a table column.
data Alignment = AlignLeft
| AlignRight
| AlignCenter
| AlignDefault deriving (Eq, Show, Read, Typeable, Data)
-- | List attributes.
type ListAttributes = (Int, ListNumberStyle, ListNumberDelim)
-- | Style of list numbers.
data ListNumberStyle = DefaultStyle
| Decimal
| LowerRoman
| UpperRoman
| LowerAlpha
| UpperAlpha deriving (Eq, Show, Read, Typeable, Data)
-- | Delimiter of list numbers.
data ListNumberDelim = DefaultDelim
| Period
| OneParen
| TwoParens deriving (Eq, Show, Read, Typeable, Data)
-- | Attributes: identifier, classes, key-value pairs
type Attr = (String, [String], [(String, String)])
-- | Block element.
data Block
= Plain [Inline] -- ^ Plain text, not a paragraph
| Para [Inline] -- ^ Paragraph
| CodeBlock Attr String -- ^ Code block (literal) with attributes
| RawHtml String -- ^ Raw HTML block (literal)
| BlockQuote [Block] -- ^ Block quote (list of blocks)
| OrderedList ListAttributes [[Block]] -- ^ Ordered list (attributes
-- and a list of items, each a list of blocks)
| BulletList [[Block]] -- ^ Bullet list (list of items, each
-- a list of blocks)
| DefinitionList [([Inline],[Block])] -- ^ Definition list
-- (list of items, each a pair of an inline list,
-- the term, and a block list)
| Header Int [Inline] -- ^ Header - level (integer) and text (inlines)
| HorizontalRule -- ^ Horizontal rule
| Table [Inline] [Alignment] [Double] [[Block]] [[[Block]]] -- ^ Table,
-- with caption, column alignments,
-- relative column widths, column headers
-- (each a list of blocks), and rows
-- (each a list of lists of blocks)
| Null -- ^ Nothing
deriving (Eq, Read, Show, Typeable, Data)
-- | Type of quotation marks to use in Quoted inline.
data QuoteType = SingleQuote | DoubleQuote deriving (Show, Eq, Read, Typeable, Data)
-- | Link target (URL, title).
type Target = (String, String)
-- | Type of math element (display or inline).
data MathType = DisplayMath | InlineMath deriving (Show, Eq, Read, Typeable, Data)
-- | Inline elements.
data Inline
= Str String -- ^ Text (string)
| Emph [Inline] -- ^ Emphasized text (list of inlines)
| Strong [Inline] -- ^ Strongly emphasized text (list of inlines)
| Strikeout [Inline] -- ^ Strikeout text (list of inlines)
| Superscript [Inline] -- ^ Superscripted text (list of inlines)
| Subscript [Inline] -- ^ Subscripted text (list of inlines)
| SmallCaps [Inline] -- ^ Small caps text (list of inlines)
| Quoted QuoteType [Inline] -- ^ Quoted text (list of inlines)
| Cite [Target] [Inline] -- ^ Citation (list of inlines)
| Code String -- ^ Inline code (literal)
| Space -- ^ Inter-word space
| EmDash -- ^ Em dash
| EnDash -- ^ En dash
| Apostrophe -- ^ Apostrophe
| Ellipses -- ^ Ellipses
| LineBreak -- ^ Hard line break
| Math MathType String -- ^ TeX math (literal)
| TeX String -- ^ LaTeX code (literal)
| HtmlInline String -- ^ HTML code (literal)
| Link [Inline] Target -- ^ Hyperlink: text (list of inlines), target
| Image [Inline] Target -- ^ Image: alt text (list of inlines), target
-- and target
| Note [Block] -- ^ Footnote or endnote
deriving (Show, Eq, Read, Typeable, Data)
-- | Applies a transformation on @a@s to matching elements in a @b@.
processWith :: (Data a, Data b) => (a -> a) -> b -> b
processWith f = everywhere (mkT f)
-- | Like 'processWith', but with monadic transformations.
processWithM :: (Monad m, Data a, Data b) => (a -> m a) -> b -> m b
processWithM f = everywhereM (mkM f)
-- | Runs a query on matching @a@ elements in a @c@.
queryWith :: (Data a, Data c) => (a -> [b]) -> c -> [b]
queryWith f = everything (++) ([] `mkQ` f)
{-# DEPRECATED processPandoc "Use processWith instead" #-}
processPandoc :: Data a => (a -> a) -> Pandoc -> Pandoc
processPandoc = processWith
{-# DEPRECATED queryPandoc "Use queryWith instead" #-}
queryPandoc :: Data a => (a -> [b]) -> Pandoc -> [b]
queryPandoc = queryWith
|
