39 lines
906 B
Factor
39 lines
906 B
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 errors hashtables io kernel namespaces sequences
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strings ;
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! Markup
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GENERIC: print-element
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! Help articles
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SYMBOL: articles
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TUPLE: article title content ;
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: article ( name -- article )
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dup articles get hash
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[ ] [ "No such article: " swap append throw ] ?if ;
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: add-article ( name title element -- )
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<article> swap articles get set-hash ;
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M: string article-title article article-title ;
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M: string article-content article article-content ;
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! Special case: f help
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M: f article-title drop \ f article-title ;
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M: f article-content drop \ f article-content ;
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SYMBOL: last-block
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: (help) ( element -- )
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default-style [
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last-block on print-element
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] with-nesting* terpri ;
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: help ( topic -- ) article-content (help) ;
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: handbook ( -- ) "handbook" help ;
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