factor/basis/xml/dtd/dtd.factor

46 lines
1.4 KiB
Factor

! Copyright (C) 2005, 2009 Daniel Ehrenberg, Slava Pestov
! See http://factorcode.org/license.txt for BSD license.
USING: xml.tokenize xml.data xml.state kernel sequences ascii
fry xml.errors combinators hashtables namespaces xml.entities
strings xml.name ;
IN: xml.dtd
: take-decl-contents ( -- first second )
pass-blank take-word pass-blank ">" take-string ;
: take-element-decl ( -- element-decl )
take-decl-contents <element-decl> ;
: take-attlist-decl ( -- attlist-decl )
take-decl-contents <attlist-decl> ;
: take-notation-decl ( -- notation-decl )
take-decl-contents <notation-decl> ;
UNION: dtd-acceptable
directive comment instruction ;
: take-entity-def ( var -- entity-name entity-def )
[
take-word pass-blank get-char {
{ CHAR: ' [ parse-quote ] }
{ CHAR: " [ parse-quote ] }
[ drop take-external-id close ]
} case
] dip '[ swap _ [ ?set-at ] change ] 2keep ;
: take-entity-decl ( -- entity-decl )
pass-blank get-char {
{ CHAR: % [ next pass-blank pe-table take-entity-def t ] }
[ drop extra-entities take-entity-def f ]
} case close <entity-decl> ;
: take-inner-directive ( string -- directive )
{
{ "ELEMENT" [ take-element-decl ] }
{ "ATTLIST" [ take-attlist-decl ] }
{ "ENTITY" [ take-entity-decl ] }
{ "NOTATION" [ take-notation-decl ] }
[ bad-directive ]
} case ;