aboutsummaryrefslogtreecommitdiff
path: root/src/Haddock/Backends/Xhtml/Layout.hs
blob: 70f5d88cc4007caa3b15e023663b36add50c1441 (plain) (blame)
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
-----------------------------------------------------------------------------
-- |
-- Module      :  Haddock.Backends.Html.Layout
-- Copyright   :  (c) Simon Marlow   2003-2006,
--                    David Waern    2006-2009,
--                    Mark Lentczner 2010
-- License     :  BSD-like
--
-- Maintainer  :  haddock@projects.haskell.org
-- Stability   :  experimental
-- Portability :  portable
-----------------------------------------------------------------------------
module Haddock.Backends.Xhtml.Layout (
  divPackageHeader, divModuleHeader, divFooter,
  divTableOfContents, divDescription, divSynposis, divInterface, 
  
  sectionName,
  
  shortDeclList,
  divTopDecl,
  
  SubDecl,
  subArguments,
  subConstructors,
  subFields,
  subInstances,
  
  topDeclElem, declElem,
  
  atHdr, methHdr,
  argBox, ndocBox, rdocBox, maybeRDocBox,
  
  vanillaTable, vanillaTable2, spacedTable1, spacedTable5  
) where

import Haddock.Backends.Xhtml.DocMarkup
import Haddock.Backends.Xhtml.Types
import Haddock.Backends.Xhtml.Util
import Haddock.Types

import Text.XHtml hiding ( name, title, p, quote )

import FastString            ( unpackFS )
import GHC

-- Sections of the document

divPackageHeader, divModuleHeader, divFooter :: Html -> Html
divPackageHeader = thediv ! [identifier "package-header"]
divModuleHeader  = thediv ! [identifier "module-header"]
divFooter        = thediv ! [identifier "footer"]

divTableOfContents, divDescription, divSynposis, divInterface :: Html -> Html
divTableOfContents = thediv ! [identifier "table-of-contents"]
divDescription     = thediv ! [identifier "description"]
divSynposis        = thediv ! [identifier "synopsis"]
divInterface       = thediv ! [identifier "interface"]

-- | The name of a section, used directly after opening a section
sectionName :: Html -> Html
sectionName = paragraph ! [theclass "caption"]


-- | Declaration containers 

shortDeclList :: [Html] -> Html
shortDeclList items = ulist << map (li ! [theclass "src short"] <<) items

divTopDecl :: Html -> Html
divTopDecl = thediv ! [theclass "top"]


type SubDecl = (Html, Maybe (Doc DocName), [Html])

divSubDecls :: (HTML a) => String -> a -> Maybe Html -> Html
divSubDecls cssClass captionName = maybe noHtml wrap
  where
    wrap = (subSection <<) . (subCaption +++)
    subSection = thediv ! [theclass $ unwords ["subs", cssClass]]
    subCaption = paragraph ! [theclass "caption"] << captionName

subDlist :: [SubDecl] -> Maybe Html
subDlist [] = Nothing
subDlist decls = Just $ dlist << map subEntry decls
  where
    subEntry (decl, mdoc, subs) =
      dterm ! [theclass "src"] << decl
      +++
      ddef << (fmap docToHtml mdoc `with` subs)
      
    Nothing  `with` [] = spaceHtml
    ma       `with` bs = ma +++ bs

subTable :: [SubDecl] -> Maybe Html
subTable [] = Nothing
subTable decls = Just $ table << aboves (concatMap subRow decls)
  where
    subRow (decl, mdoc, subs) =
      (td ! [theclass "src"] << decl
       <->
       td << nonEmpty (fmap docToHtml mdoc))
      : map (cell . (td <<)) subs
      

subArguments :: [(Html, Maybe (Doc DocName), [Html])] -> Html
subArguments = divSubDecls "arguments" "Arguments" . subTable

subConstructors :: [(Html, Maybe (Doc DocName), [Html])] -> Html
subConstructors = divSubDecls "constructors" "Constructors" . subTable

subFields :: [(Html, Maybe (Doc DocName), [Html])] -> Html
subFields = divSubDecls "fields" "Fields" . subTable

subInstances :: String -> [(Html, Maybe (Doc DocName), [Html])] -> Html
subInstances id_ = divSubDecls "instances" instCaption . instTable
  where
    instCaption = collapsebutton id_ +++ " Instances"
    instTable = (collapsed thediv id_ `fmap`) . subTable

-- a box for displaying code
declElem :: Html -> Html
declElem = paragraph ! [theclass "src"]

-- a box for top level documented names
-- it adds a source and wiki link at the right hand side of the box
topDeclElem :: LinksInfo -> SrcSpan -> DocName -> Html -> Html
topDeclElem ((_,_,maybe_source_url), (_,_,maybe_wiki_url)) loc name html = 
    declElem << (html +++ srcLink +++ wikiLink)
  where srcLink =
          case maybe_source_url of
            Nothing  -> noHtml
            Just url -> let url' = spliceURL (Just fname) (Just origMod)
                                               (Just n) (Just loc) url
                          in anchor ! [href url', theclass "link"] << "Source"

        wikiLink =
          case maybe_wiki_url of
            Nothing  -> noHtml
            Just url -> let url' = spliceURL (Just fname) (Just mdl)
                                               (Just n) (Just loc) url
                          in anchor ! [href url', theclass "link"] << "Comments"
  
        -- For source links, we want to point to the original module,
        -- because only that will have the source.  
        -- TODO: do something about type instances. They will point to
        -- the module defining the type family, which is wrong.
        origMod = nameModule n

        -- Name must be documented, otherwise we wouldn't get here
        Documented n mdl = name

        fname = unpackFS (srcSpanFile loc)



-- a box for displaying an 'argument' (some code which has text to the
-- right of it).  Wrapping is not allowed in these boxes, whereas it is
-- in a declBox.
argBox :: Html -> HtmlTable
argBox html = tda [theclass "arg"] << html


-- a box for displaying documentation, not indented.
ndocBox :: Html -> HtmlTable
ndocBox html = tda [theclass "ndoc"] << html

-- a box for displaying documentation, padded on the left a little
rdocBox :: Html -> HtmlTable
rdocBox html = tda [theclass "rdoc"] << html

maybeRDocBox :: Maybe (Doc DocName) -> HtmlTable
maybeRDocBox Nothing = rdocBox (noHtml)
maybeRDocBox (Just doc) = rdocBox (docToHtml doc)


-- a vanilla table has width 100%, no border, no padding, no spacing
vanillaTable, vanillaTable2 :: Html -> Html
vanillaTable  = table ! [theclass "vanilla",  cellspacing 0, cellpadding 0]
vanillaTable2 = table ! [theclass "vanilla2", cellspacing 0, cellpadding 0]

spacedTable1, spacedTable5 :: Html -> Html
spacedTable1 = table ! [theclass "vanilla",  cellspacing 1, cellpadding 0]
spacedTable5 = table ! [theclass "vanilla",  cellspacing 5, cellpadding 0]

methHdr, atHdr :: Html
methHdr    = h5 << "Methods"
atHdr      = h5 << "Associated Types"