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authorMichaelSnoyman <>2011-08-06 18:11:52 (GMT)
committerLuite Stegeman <luite@luite.com>2011-08-06 18:11:52 (GMT)
commitc4914039b15438035178de7d818bf4e2b17b2e1c (patch)
tree6871429c59f82423d7279182059b51881cf9d37d
version 0.0.00.0.0
-rw-r--r--LICENSE25
-rw-r--r--Setup.lhs7
-rw-r--r--Text/CSS/Parse.hs57
-rw-r--r--Text/CSS/Render.hs28
-rw-r--r--css-text.cabal33
5 files changed, 150 insertions, 0 deletions
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..8643e5d
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,25 @@
+The following license covers this documentation, and the source code, except
+where otherwise indicated.
+
+Copyright 2010, Michael Snoyman. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without
+modification, are permitted provided that the following conditions are met:
+
+* Redistributions of source code must retain the above copyright notice, this
+ list of conditions and the following disclaimer.
+
+* Redistributions in binary form must reproduce the above copyright notice,
+ this list of conditions and the following disclaimer in the documentation
+ and/or other materials provided with the distribution.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS "AS IS" AND ANY EXPRESS OR
+IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY DIRECT, INDIRECT,
+INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
diff --git a/Setup.lhs b/Setup.lhs
new file mode 100644
index 0000000..06e2708
--- /dev/null
+++ b/Setup.lhs
@@ -0,0 +1,7 @@
+#!/usr/bin/env runhaskell
+
+> module Main where
+> import Distribution.Simple
+
+> main :: IO ()
+> main = defaultMain
diff --git a/Text/CSS/Parse.hs b/Text/CSS/Parse.hs
new file mode 100644
index 0000000..63ca668
--- /dev/null
+++ b/Text/CSS/Parse.hs
@@ -0,0 +1,57 @@
+{-# LANGUAGE OverloadedStrings #-}
+module Text.CSS.Parse
+ ( parseAttr
+ , parseAttrs
+ , parseBlock
+ , parseBlocks
+ ) where
+
+import Prelude hiding (takeWhile)
+import Data.Attoparsec.Text
+import Data.Text (Text, strip)
+import Data.Char (isSpace)
+import Control.Applicative ((<|>))
+
+skipWS :: Parser ()
+skipWS = (string "/*" >> endComment >> skipWS)
+ <|> (satisfy isSpace >> skipSpace >> skipWS)
+ <|> return ()
+ where
+ endComment = do
+ skipWhile (/= '*')
+ (do
+ _ <- char '*'
+ (char '/' >> return ()) <|> endComment
+ ) <|> fail "Missing end comment"
+
+parseAttr :: Parser (Text, Text)
+parseAttr = do
+ skipWS
+ key <- takeWhile1 (not . flip elem ":{}")
+ _ <- char ':' <|> fail "Missing colon in attribute"
+ value <- (takeWhile (not . flip elem ";}"))
+ return (strip key, strip value)
+
+parseAttrs :: Parser [(Text, Text)]
+parseAttrs =
+ go id
+ where
+ go front = (do
+ a <- parseAttr
+ (char ';' >> return ()) <|> return ()
+ skipWS
+ go $ front . (:) a
+ ) <|> return (front [])
+
+parseBlock :: Parser (Text, [(Text, Text)])
+parseBlock = do
+ skipWS
+ sel <- takeWhile (/= '{')
+ _ <- char '{'
+ attrs <- parseAttrs
+ skipWS
+ _ <- char '}'
+ return (strip sel, attrs)
+
+parseBlocks :: Parser [(Text, [(Text, Text)])]
+parseBlocks = many parseBlock
diff --git a/Text/CSS/Render.hs b/Text/CSS/Render.hs
new file mode 100644
index 0000000..0dc661b
--- /dev/null
+++ b/Text/CSS/Render.hs
@@ -0,0 +1,28 @@
+{-# LANGUAGE OverloadedStrings #-}
+module Text.CSS.Render
+ ( renderAttr
+ , renderAttrs
+ , renderBlock
+ , renderBlocks
+ ) where
+
+import Data.Text (Text)
+import Data.Text.Lazy.Builder (Builder, fromText, singleton)
+import Data.Monoid (mappend, mempty, mconcat)
+
+(<>) = mappend
+
+renderAttr :: (Text, Text) -> Builder
+renderAttr (k, v) = fromText k <> singleton ':' <> fromText v
+
+renderAttrs :: [(Text, Text)] -> Builder
+renderAttrs [] = mempty
+renderAttrs [x] = renderAttr x
+renderAttrs (x:xs) = renderAttr x <> singleton ';' <> renderAttrs xs
+
+renderBlock :: (Text, [(Text, Text)]) -> Builder
+renderBlock (sel, attrs) =
+ fromText sel <> singleton '{' <> renderAttrs attrs <> singleton '}'
+
+renderBlocks :: [(Text, [(Text, Text)])] -> Builder
+renderBlocks = mconcat . map renderBlock
diff --git a/css-text.cabal b/css-text.cabal
new file mode 100644
index 0000000..4e7ce6c
--- /dev/null
+++ b/css-text.cabal
@@ -0,0 +1,33 @@
+name: css-text
+version: 0.0.0
+license: BSD3
+license-file: LICENSE
+author: Michael Snoyman <michael@snoyman.com>
+maintainer: Michael Snoyman <michael@snoyman.com>
+synopsis: CSS parser and renderer.
+category: Web, Yesod
+stability: Stable
+cabal-version: >= 1.8
+build-type: Simple
+homepage: http://www.yesodweb.com/
+
+library
+ build-depends: base >= 4 && < 5
+ , text >= 0.11 && < 0.12
+ , attoparsec-text >= 0.8.5.1 && < 0.9
+ exposed-modules: Text.CSS.Parse
+ Text.CSS.Render
+ ghc-options: -Wall
+
+test-suite runtests
+ type: exitcode-stdio-1.0
+ main-is: runtests.hs
+ build-depends: base >= 4 && < 5
+ , text >= 0.11 && < 0.12
+ , attoparsec-text >= 0.8.5.1 && < 0.9
+ , HUnit >= 1.2 && < 1.3
+ , hspec >= 0.6.1 && < 0.7
+
+source-repository head
+ type: git
+ location: git://github.com/snoyberg/css-text.git