attoparsec-csv (empty) → 0.1.0.0
raw patch · 5 files changed
+316/−0 lines, 5 filesdep +attoparsecdep +basedep +textsetup-changed
Dependencies added: attoparsec, base, text
Files
- LICENSE-2.0.txt +202/−0
- README.md +8/−0
- Setup.hs +2/−0
- Text/ParseCSV.hs +77/−0
- attoparsec-csv.cabal +27/−0
+ LICENSE-2.0.txt view
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+ README.md view
@@ -0,0 +1,8 @@+attoparsec-csv+==============++This is a parser for data formatted in the comma separated values (CSV)+format.++The code is written in Haskell and uses the Attoparsec parser combinator+library.
+ Setup.hs view
@@ -0,0 +1,2 @@+import Distribution.Simple+main = defaultMain
+ Text/ParseCSV.hs view
@@ -0,0 +1,77 @@+{-# Language OverloadedStrings #-}++-- Copyright 2012 UserEvents, Inc.+-- +-- Licensed under the Apache License, Version 2.0 (the "License");+-- you may not use this file except in compliance with the License.+-- You may obtain a copy of the License at+-- +-- http://www.apache.org/licenses/LICENSE-2.0+-- +-- Unless required by applicable law or agreed to in writing, software+-- distributed under the License is distributed on an "AS IS" BASIS,+-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.+-- See the License for the specific language governing permissions and+-- limitations under the License.+--+-- Contributors:+-- Robin Bate Boerop <me@robinbb.com>++module Text.ParseCSV+ ( CSV+ , parseCSV+ ) where++import Prelude hiding (concat, takeWhile)+import Control.Applicative ((<$>), (<|>), (<*>), (<*), (*>), many)+import Control.Monad (void)+import Data.Attoparsec.Text+import qualified Data.Text as T (Text, concat, cons, append)++type CSV = [[T.Text]]++lineEnd :: Parser ()+lineEnd =+ void (char '\n') <|> void (string "\r\n")+ <?> "end of line"++unquotedField :: Parser T.Text+unquotedField =+ takeWhile (`notElem` ",\n\r\"")+ <?> "unquoted field"++insideQuotes :: Parser T.Text+insideQuotes =+ T.append <$> takeWhile (/= '"')+ <*> (T.concat <$> many (T.cons <$> dquotes <*> insideQuotes))+ <?> "inside of double quotes"+ where+ dquotes =+ string "\"\"" >> return '"'+ <?> "paired double quotes"++quotedField :: Parser T.Text+quotedField =+ char '"' *> insideQuotes <* char '"'+ <?> "quoted field"++field :: Parser T.Text+field =+ quotedField <|> unquotedField+ <?> "field"++record :: Parser [T.Text]+record =+ field `sepBy1` char ','+ <?> "record"++file :: Parser CSV+file =+ (:) <$> record+ <*> manyTill (lineEnd *> record)+ (endOfInput <|> lineEnd *> endOfInput)+ <?> "file"++parseCSV :: T.Text -> Either String CSV+parseCSV =+ parseOnly file
+ attoparsec-csv.cabal view
@@ -0,0 +1,27 @@+name: attoparsec-csv+version: 0.1.0.0+synopsis: A parser for CSV files that uses Attoparsec+description: An APLv2-licensed Attoparsec-based parser library for+ comma-separated values (CSV) files.+ (http://www.ietf.org/rfc/rfc4180.txt)+homepage: https://github.com/robinbb/attoparsec-csv+license: OtherLicense+license-file: LICENSE-2.0.txt+author: Robin Bate Boerop <me@robinbb.com>+maintainer: Robin Bate Boerop <me@robinbb.com>+bug-reports: https://github.com/robinbb/attoparsec-csv/issues+category: Text+build-type: Simple+cabal-version: >=1.8+extra-source-files: README.md++library+ build-depends: base ==4.5.*+ , text+ , attoparsec + exposed-modules: Text.ParseCSV+ ghc-options: -O3 -Wall++source-repository head+ type: Git+ location: https://github.com/robinbb/attoparsec-csv.git