90 lines
2.3 KiB
Factor
90 lines
2.3 KiB
Factor
! Copyright (C) 2005, 2009 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: accessors arrays assocs combinators fry io kernel locals
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make math math.order namespaces sequences sorting strings
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unicode.case unicode.categories unicode.data vectors vocabs
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vocabs.hierarchy words ;
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IN: tools.completion
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:: (fuzzy) ( accum i full ch -- accum i full ? )
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ch i full index-from [
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:> i i accum push
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accum i 1 + full t
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] [
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f -1 full f
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] if* ;
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: fuzzy ( full short -- indices )
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dup [ length <vector> 0 ] curry 2dip
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[ (fuzzy) ] all? 3drop ;
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: (runs) ( runs n seq -- runs n )
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[
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[
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2dup number=
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[ drop ] [ nip V{ } clone pick push ] if
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1 +
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] keep pick last push
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] each ;
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: runs ( seq -- newseq )
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V{ V{ } } [ clone ] map over first rot (runs) drop ;
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: score-1 ( i full -- n )
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{
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{ [ over zero? ] [ 2drop 10 ] }
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{ [ 2dup length 1 - number= ] [ 2drop 4 ] }
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{ [ 2dup [ 1 - ] dip nth Letter? not ] [ 2drop 10 ] }
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{ [ 2dup [ 1 + ] dip nth Letter? not ] [ 2drop 4 ] }
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[ 2drop 1 ]
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} cond ;
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: score ( full fuzzy -- n )
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dup [
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[ [ length ] bi@ - 15 swap [-] 3 /f ] 2keep
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runs [
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[ 0 [ pick score-1 max ] reduce nip ] keep
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length * +
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] with each
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] [
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2drop 0
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] if ;
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: rank-completions ( results -- newresults )
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sort-keys <reversed>
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[ 0 [ first max ] reduce 3 /f ] keep
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[ first < ] with filter
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values ;
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: complete ( full short -- score )
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[ dupd fuzzy score ] 2keep
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[ <reversed> ] bi@
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dupd fuzzy score max ;
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: completion ( short candidate -- result )
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[ second >lower swap complete ] keep 2array ;
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: completion, ( short candidate -- )
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completion dup first 0 > [ , ] [ drop ] if ;
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: completions ( short candidates -- seq )
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[ ] [
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[ >lower ] dip [ [ completion, ] with each ] { } make
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rank-completions
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] bi-curry if-empty ;
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: name-completions ( str seq -- seq' )
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[ dup name>> ] { } map>assoc completions ;
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: words-matching ( str -- seq )
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all-words name-completions ;
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: vocabs-matching ( str -- seq )
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all-vocabs-recursive no-roots no-prefixes name-completions ;
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: chars-matching ( str -- seq )
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name-map keys dup zip completions ;
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