1 ! Copyright (C) 2007, 2009 Slava Pestov.
2 ! See http://factorcode.org/license.txt for BSD license.
3 USING: accessors arrays assocs combinators kernel lexer make
4 namespaces parser sequences splitting xml.data xml.syntax
5 xml.syntax.private xml.traversal xml.traversal.private
6 xmode.rules xmode.tokens xmode.utilities ;
7 IN: xmode.loader.syntax
9 ! Rule tag parsing utilities
10 : (parse-rule-tag) ( rule-set tag specs class -- )
11 new swap init-from-tag swap add-rule ; inline
14 scan-token scan-word scan-word [
15 [ parse-definition call( -- ) ] { } make
16 swap [ (parse-rule-tag) ] 2curry
17 ] dip swap define-tag ;
20 : string>boolean ( string -- ? ) "TRUE" = ;
22 : string>match-type ( string -- obj )
29 : string>rule-set-name ( string -- name ) "MAIN" or ;
31 : cdata>string ( tag -- string )
32 children>> [ dup cdata? [ text>> ] when ] map (children>string) ;
35 : parse-prop-tag ( tag -- key value )
36 [ "NAME" attr ] [ "VALUE" attr ] bi ;
38 : parse-props-tag ( tag -- assoc )
40 [ parse-prop-tag ] H{ } map>assoc ;
42 : position-attrs ( tag -- at-line-start? at-whitespace-end? at-word-start? )
44 { "AT_LINE_START" "AT_WHITESPACE_END" "AT_WORD_START" }
45 [ attr string>boolean ] with map first3 ;
47 : parse-literal-matcher ( tag -- matcher )
49 rule-set get ignore-case?>> <string-matcher>
50 swap position-attrs <matcher> ;
52 : parse-regexp-matcher ( tag -- matcher )
54 rule-set get ignore-case?>> <?insensitive-regexp>
55 swap position-attrs <matcher> ;
57 : shared-tag-attrs ( -- )
58 { "TYPE" string>token body-token<< } , ; inline
60 : parse-delegate ( string -- pair )
61 "::" split1 [ rule-set get swap ] unless* 2array ;
63 : delegate-attr ( -- )
64 { "DELEGATE" f delegate<< } , ;
67 { "HASH_CHAR" f chars<< } , ;
69 : match-type-attr ( -- )
70 { "MATCH_TYPE" string>match-type match-token<< } , ;
73 { "NO_LINE_BREAK" string>boolean no-line-break?<< } ,
74 { "NO_WORD_BREAK" string>boolean no-word-break?<< } ,
75 { "NO_ESCAPE" string>boolean no-escape?<< } , ;
77 : literal-start ( -- )
78 [ parse-literal-matcher >>start drop ] , ;
81 [ parse-regexp-matcher >>start drop ] , ;
84 [ parse-literal-matcher >>end drop ] , ;
87 TAGS: parse-begin/end-tag ( rule tag -- )
89 TAG: BEGIN parse-begin/end-tag
91 parse-literal-matcher >>start drop ;
93 TAG: END parse-begin/end-tag
95 parse-literal-matcher >>end drop ;
97 : parse-begin/end-tags ( -- )
99 ! XXX: handle position attrs on span tag itself
100 children-tags [ parse-begin/end-tag ] with each
103 : init-span-tag ( -- ) [ drop init-span ] , ;
105 : init-eol-span-tag ( -- ) [ drop init-eol-span ] , ;
107 : parse-keyword-tag ( tag keyword-map -- )
108 [ dup main>> string>token swap cdata>string ] dip set-at ;