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authorross <unknown>2005-03-14 18:02:49 +0000
committerross <unknown>2005-03-14 18:02:49 +0000
commit1e0938434936f69b80c9381c9670322d0d2c2feb (patch)
tree4943e556a590ec6c01927aa373d9edf4ba201182 /libraries/base/GHC/Unicode.hs
parentb2d8004030836fde32e45b7bd2218648efb8946e (diff)
downloadhaskell-1e0938434936f69b80c9381c9670322d0d2c2feb.tar.gz
[project @ 2005-03-14 18:02:48 by ross]
move general categories and derived predicates to Data.Char
Diffstat (limited to 'libraries/base/GHC/Unicode.hs')
-rw-r--r--libraries/base/GHC/Unicode.hs108
1 files changed, 2 insertions, 106 deletions
diff --git a/libraries/base/GHC/Unicode.hs b/libraries/base/GHC/Unicode.hs
index 6a4732b6c1..da74685c0a 100644
--- a/libraries/base/GHC/Unicode.hs
+++ b/libraries/base/GHC/Unicode.hs
@@ -2,7 +2,7 @@
{-# OPTIONS -#include "WCsubst.h" #-}
-----------------------------------------------------------------------------
-- |
--- Module : GHC.Unicde
+-- Module : GHC.Unicode
-- Copyright : (c) The University of Glasgow, 2003
-- License : see libraries/base/LICENSE
--
@@ -17,20 +17,13 @@
-----------------------------------------------------------------------------
module GHC.Unicode (
- GeneralCategory (..),
- generalCategory,
isAscii, isLatin1, isControl,
isAsciiUpper, isAsciiLower,
isPrint, isSpace, isUpper,
isLower, isAlpha, isDigit,
isOctDigit, isHexDigit, isAlphaNum,
toUpper, toLower, toTitle,
- isLetter, -- :: Char -> Bool
- isMark, -- :: Char -> Bool
- isNumber, -- :: Char -> Bool
- isPunctuation, -- :: Char -> Bool
- isSymbol, -- :: Char -> Bool
- isSeparator, -- :: Char -> Bool
+ wgencat,
) where
import GHC.Base
@@ -38,106 +31,9 @@ import GHC.Real (fromIntegral)
import GHC.Int
import GHC.Word
import GHC.Num (fromInteger)
-import GHC.Read
-import GHC.Show
-import GHC.Enum
#include "HsBaseConfig.h"
--- | Unicode General Categories (column 2 of the UnicodeData table)
--- in the order they are listed in the Unicode standard.
-
-data GeneralCategory
- = UppercaseLetter -- Lu Letter, Uppercase
- | LowercaseLetter -- Ll Letter, Lowercase
- | TitlecaseLetter -- Lt Letter, Titlecase
- | ModifierLetter -- Lm Letter, Modifier
- | OtherLetter -- Lo Letter, Other
- | NonSpacingMark -- Mn Mark, Non-Spacing
- | SpacingCombiningMark -- Mc Mark, Spacing Combining
- | EnclosingMark -- Me Mark, Enclosing
- | DecimalNumber -- Nd Number, Decimal
- | LetterNumber -- Nl Number, Letter
- | OtherNumber -- No Number, Other
- | ConnectorPunctuation -- Pc Punctuation, Connector
- | DashPunctuation -- Pd Punctuation, Dash
- | OpenPunctuation -- Ps Punctuation, Open
- | ClosePunctuation -- Pe Punctuation, Close
- | InitialQuote -- Pi Punctuation, Initial quote
- | FinalQuote -- Pf Punctuation, Final quote
- | OtherPunctuation -- Po Punctuation, Other
- | MathSymbol -- Sm Symbol, Math
- | CurrencySymbol -- Sc Symbol, Currency
- | ModifierSymbol -- Sk Symbol, Modifier
- | OtherSymbol -- So Symbol, Other
- | Space -- Zs Separator, Space
- | LineSeparator -- Zl Separator, Line
- | ParagraphSeparator -- Zp Separator, Paragraph
- | Control -- Cc Other, Control
- | Format -- Cf Other, Format
- | Surrogate -- Cs Other, Surrogate
- | PrivateUse -- Co Other, Private Use
- | NotAssigned -- Cn Other, Not Assigned
- deriving (Eq, Ord, Enum, Read, Show, Bounded)
-
--- | Retrieves the general Unicode category of the character.
-generalCategory :: Char -> GeneralCategory
-generalCategory c = toEnum (wgencat (fromIntegral (ord c)))
-
--- ------------------------------------------------------------------------
--- These are copied from Hugs Unicode.hs
-
--- derived character classifiers
-
-isLetter :: Char -> Bool
-isLetter c = case generalCategory c of
- UppercaseLetter -> True
- LowercaseLetter -> True
- TitlecaseLetter -> True
- ModifierLetter -> True
- OtherLetter -> True
- _ -> False
-
-isMark :: Char -> Bool
-isMark c = case generalCategory c of
- NonSpacingMark -> True
- SpacingCombiningMark -> True
- EnclosingMark -> True
- _ -> False
-
-isNumber :: Char -> Bool
-isNumber c = case generalCategory c of
- DecimalNumber -> True
- LetterNumber -> True
- OtherNumber -> True
- _ -> False
-
-isPunctuation :: Char -> Bool
-isPunctuation c = case generalCategory c of
- ConnectorPunctuation -> True
- DashPunctuation -> True
- OpenPunctuation -> True
- ClosePunctuation -> True
- InitialQuote -> True
- FinalQuote -> True
- OtherPunctuation -> True
- _ -> False
-
-isSymbol :: Char -> Bool
-isSymbol c = case generalCategory c of
- MathSymbol -> True
- CurrencySymbol -> True
- ModifierSymbol -> True
- OtherSymbol -> True
- _ -> False
-
-isSeparator :: Char -> Bool
-isSeparator c = case generalCategory c of
- Space -> True
- LineSeparator -> True
- ParagraphSeparator -> True
- _ -> False
-
-- | Selects the first 128 characters of the Unicode character set,
-- corresponding to the ASCII character set.
isAscii :: Char -> Bool