/[james]/factorcss/Tokeniser.x
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revision 61 by james, Sun Dec 19 22:10:41 2004 UTC revision 64 by james, Mon Dec 27 22:24:45 2004 UTC
# Line 1  Line 1 
1    --
2    -- This file is part of FactorCSS
3    -- Licensed under the MIT License,
4    --                http://www.opensource.org/licenses/mit-license
5    -- Copyright 2004 James Bursa <james@semichrome.net>
6    --
7    
8  -- Tokeniser for CSS 2.1  -- Tokeniser for CSS 2.1
9  -- See CSS 2.1 G.2  -- See CSS 2.1 G.2
10    
# Line 14  $nonascii      = [\x80-\xff] Line 21  $nonascii      = [\x80-\xff]
21  @nmstart        = [_a-z]|$nonascii|@escape  @nmstart        = [_a-z]|$nonascii|@escape
22  @nmchar         = [\-_a-zA-Z0-9]|$nonascii|@escape  @nmchar         = [\-_a-zA-Z0-9]|$nonascii|@escape
23  @nl             = \n|\r\n|\r|\f  @nl             = \n|\r\n|\r|\f
24  @string1        = \"([\t\ !#\x24\x25&\x28-\x7e]|\\@nl|\'|$nonascii|@escape|\.)*\"  @string1        = \"([\t\ \!\#\x24\x25&\x28-\x7e]|\\@nl|\'|$nonascii|@escape|\.)*\"
25  @string2        = \'([\t\ !#\x24\x25&\x28-\x7e]|\\@nl|\"|$nonascii|@escape|\.)*\'  @string2        = \'([\t\ \!\#\x24\x25&\x28-\x7e]|\\@nl|\"|$nonascii|@escape|\.)*\'
26  @ident          = @nmstart@nmchar*  @ident          = @nmstart@nmchar*
27  @name           = @nmchar+  @name           = @nmchar+
28  @num            = [\-\053]?[0-9]+|[0-9]*"."[0-9]+  @num            = [\-\053]?[0-9]+|[0-9]*"."[0-9]+
29  @string         = @string1|@string2  @string         = @string1|@string2
30  @url            = ([!#\x24\x25&\x2a-\x7e]|$nonascii|@escape)*  @url            = ([\!\#\x24\x25&\x2a-\x7e]|$nonascii|@escape)*
31  $s              = [\ \t\r\n\f]  $s              = [\ \t\r\n\f]
32  @w              = $s*  @w              = $s*
33  @range          = \?{1,6}|$h(\?{0,5}|$h(\?{0,4}|$h(\?{0,3}|$h(\?{0,2}|$h(\??|$h)))))  @range          = \?{1,6}|$h(\?{0,5}|$h(\?{0,4}|$h(\?{0,3}|$h(\?{0,2}|$h(\??|$h)))))
34  @comment        = \/\*[^\x2a]*\*+([^\/\x2a][^\x2a]*\*+)*\/  $all            = \x00-\xff
35    @comment        = \/\*$all#\x2a*\*+($all#[\/\x2a]$all#\x2a*\*+)*\/
36    
37  tokens :-  tokens :-
38    
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