mirror of
https://github.com/alpmestan/taggy.git
synced 2024-09-11 15:05:40 +03:00
tentative beginning at a DOM interface
This commit is contained in:
parent
da4ce0f90a
commit
9583cda388
@ -11,11 +11,13 @@ module Text.Taggy
|
||||
( linksIn
|
||||
, module Text.Taggy.Types
|
||||
, module Text.Taggy.Parser
|
||||
, module Text.Taggy.DOM
|
||||
) where
|
||||
|
||||
import Data.Text (Text)
|
||||
import Text.Taggy.Types
|
||||
import Text.Taggy.Parser
|
||||
import Text.Taggy.DOM
|
||||
|
||||
linksIn :: [Tag] -> [Text]
|
||||
linksIn = map attrValue
|
||||
|
47
src/Text/Taggy/DOM.hs
Normal file
47
src/Text/Taggy/DOM.hs
Normal file
@ -0,0 +1,47 @@
|
||||
{-# LANGUAGE OverloadedStrings #-}
|
||||
|
||||
module Text.Taggy.DOM where
|
||||
|
||||
import Data.Text (Text)
|
||||
import qualified Data.Text as T
|
||||
import Text.Taggy.Types
|
||||
|
||||
data Tree = Branch !Text [Attribute] [Tree]
|
||||
| Leaf !Tag
|
||||
deriving (Eq, Show)
|
||||
|
||||
domify :: [Tag] -> [Tree]
|
||||
domify [] = []
|
||||
domify xs = go xs
|
||||
|
||||
|
||||
where go [] = []
|
||||
go ts = a ++ map Leaf (take 1 b) ++ go (drop 1 b)
|
||||
where (a, b) = f ts
|
||||
|
||||
f (TagScript tago scr tagc : rest) =
|
||||
f $ [tago, TagText scr, tagc] ++ rest
|
||||
|
||||
f (TagStyle tago sty tagc : rest) =
|
||||
f $ [tago, TagText sty, tagc] ++ rest
|
||||
|
||||
|
||||
f (TagOpen name attrs autocl : rest) =
|
||||
case f rest of
|
||||
(inner, []) -> ( Leaf (TagOpen name attrs autocl) : inner
|
||||
, []
|
||||
)
|
||||
(inner, TagClose x : ts)
|
||||
| x == name ->
|
||||
let (a, b) = f ts in
|
||||
(Branch name attrs inner : a, b)
|
||||
| otherwise ->
|
||||
( Leaf (TagOpen name attrs autocl) : inner
|
||||
, TagClose x : ts
|
||||
)
|
||||
_ -> error "Text.Taggy.DOM.domify: shouldn't happen"
|
||||
|
||||
f (TagClose x:xs) = ([], TagClose x : xs)
|
||||
f (x:xs) = (Leaf x : a, b)
|
||||
where (a,b) = f xs
|
||||
f [] = ([], [])
|
@ -15,6 +15,7 @@ cabal-version: >=1.10
|
||||
|
||||
library
|
||||
exposed-modules: Text.Taggy,
|
||||
Text.Taggy.DOM
|
||||
Text.Taggy.Parser,
|
||||
Text.Taggy.Types
|
||||
other-modules:
|
||||
|
Loading…
Reference in New Issue
Block a user