1 ! Copyright (C) 2005, 2009 Daniel Ehrenberg
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: kernel sequences unicode.syntax math math.order combinators
7 CATEGORY: 1.0name-start* Ll Lu Lo Lt Nl \u000559\u0006E5\u0006E6_: ;
8 : 1.0name-start? ( char -- ? )
9 dup 1.0name-start*? [ drop t ]
10 [ HEX: 2BB HEX: 2C1 between? ] if ;
12 CATEGORY: 1.0name-char Ll Lu Lo Lt Nl Mc Me Mn Lm Nd _-.\u000387: ;
14 CATEGORY: 1.1name-start Ll Lu Lo Lm Ln Nl _: ;
16 CATEGORY: 1.1name-char Ll Lu Lo Lm Ln Nl Mc Mn Nd Pc Cf _-.\u0000b7: ;
18 : name-start? ( 1.0? char -- ? )
19 swap [ 1.0name-start? ] [ 1.1name-start? ] if ;
21 : name-char? ( 1.0? char -- ? )
22 swap [ 1.0name-char? ] [ 1.1name-char? ] if ;
24 : text? ( 1.0? char -- ? )
26 ! #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
28 ! [#x1-#xD7FF] | [#xE000-#xFFFD] | [#x10000-#x10FFFF]
30 { [ dup HEX: 20 < ] [ swap [ "\t\r\n" member? ] [ zero? not ] if ] }
31 { [ nip dup HEX: D800 < ] [ drop t ] }
32 { [ dup HEX: E000 < ] [ drop f ] }
33 [ { HEX: FFFE HEX: FFFF } member? not ]
36 HINTS: text? { object fixnum } ;