zenacy-unicode: Unicode utilities for Haskell

[ library, mit, web ] [ Propose Tags ]

Zenacy Unicode includes tools for checking byte order marks (BOM) and cleaning data to remove invalid bytes. These tools can help ensure that data pulled from the web can be parsed and converted to text.


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Versions [faq] 1.0.0
Change log CHANGES.md
Dependencies base (==4.*), bytestring (>=0.10.6.0 && <0.11), vector (>=0.11 && <0.13), word8 (>=0.1.2 && <0.2) [details]
License MIT
Copyright Copyright (C) 2015-2020 Michael P Williams
Author Michael Williams <mlcfp@icloud.com>
Maintainer Michael Williams <mlcfp@icloud.com>
Category Web
Home page https://github.com/mlcfp/zenacy-unicode
Source repo head: git clone https://github.com/mlcfp/zenacy-unicode.git
Uploaded by mlcfp at 2020-08-28T14:27:46Z
Distributions NixOS:1.0.0
Downloads 35 total (1 in the last 30 days)
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Status Hackage Matrix CI
Docs available [build log]
Last success reported on 2020-08-28 [all 1 reports]

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Readme for zenacy-unicode-1.0.0

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Zenacy Unicode

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Zenacy Unicode includes tools for checking byte order marks (BOM) and cleaning data to remove invalid bytes. These tools can help ensure that data pulled from the web can be parsed and converted to text.

The following is an example of converting dubious data to a text.

textDecode :: ByteString -> Text
textDecode b =
  case bomStrip b of
    (Nothing, s)           -> T.decodeUtf8 $ unicodeCleanUTF8 s -- Assume UTF8
    (Just BOM_UTF8, s)     -> T.decodeUtf8 $ unicodeCleanUTF8 s
    (Just BOM_UTF16_BE, s) -> T.decodeUtf16BE s
    (Just BOM_UTF16_LE, s) -> T.decodeUtf16LE s
    (Just BOM_UTF32_BE, s) -> T.decodeUtf32BE s
    (Just BOM_UTF32_LE, s) -> T.decodeUtf32LE s