86 lines
2.1 KiB
Factor
86 lines
2.1 KiB
Factor
! Copyright (C) 2005, 2006 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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IN: help
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USING: arrays io kernel namespaces parser prettyprint sequences
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words hashtables definitions errors generic ;
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M: word article-title
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dup parsing? [
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word-name
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] [
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dup word-name
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swap stack-effect
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[ effect>string " " swap 3append ] when*
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] if ;
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M: word article-content
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[
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\ $vocabulary over 2array ,
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dup word-help [
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%
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] [
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dup "predicating" word-prop [
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\ $predicate swap 2array ,
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] when*
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] if*
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\ $definition swap 2array ,
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] { } make ;
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: $title ( topic -- )
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title-style get [
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title-style get [
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dup [ 1array $link ] ($block) $doc-path
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] with-nesting
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] with-style terpri ;
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: (help) ( topic -- ) article-content print-content ;
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: help ( topic -- ) dup $title (help) terpri ;
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: handbook ( -- ) "handbook" help ;
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: $subtopic ( element -- )
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[
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subtopic-style get [
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unclip f rot [ print-content ] curry write-outliner
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] with-style
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] ($block) ;
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: ($subsection) ( object -- )
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[ article-title ] keep >link
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dup [ (help) ] curry
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write-outliner ;
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: $subsection ( element -- )
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[
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subsection-style get [ first ($subsection) ] with-style
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] ($block) ;
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: help-outliner ( seq quot -- )
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subsection-style get [
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sort-articles [ ($subsection) ] [ terpri ] interleave
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] with-style ;
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: $outliner ( element -- )
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first call dup empty?
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[ drop ] [ [ help-outliner ] ($block) ] if ;
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: remove-article ( name -- )
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dup articles get hash-member? [
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dup unxref-article
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dup articles get remove-hash
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] when drop ;
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: add-article ( article name -- )
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[ remove-article ] keep
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[ articles get set-hash ] keep
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xref-article ;
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: remove-word-help ( word -- )
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dup word-help [ dup unxref-article ] when drop ;
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: set-word-help ( content word -- )
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[ remove-word-help ] keep
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[ swap "help" set-word-prop ] keep
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xref-article ;
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