factor/basis/io/paths/paths.factor

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Factor
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! Copyright (C) 2008 Doug Coleman.
! See http://factorcode.org/license.txt for BSD license.
USING: accessors arrays deques dlists io.files
kernel sequences system vocabs.loader fry continuations ;
IN: io.paths
TUPLE: directory-iterator path bfs queue ;
<PRIVATE
: qualified-directory ( path -- seq )
dup directory-files [ append-path ] with map ;
: push-directory ( path iter -- )
[ qualified-directory ] dip [
dup queue>> swap bfs>>
[ push-front ] [ push-back ] if
] curry each ;
: <directory-iterator> ( path bfs? -- iterator )
<dlist> directory-iterator boa
dup path>> over push-directory ;
: next-file ( iter -- file/f )
dup queue>> deque-empty? [ drop f ] [
dup queue>> pop-back dup link-info directory?
[ over push-directory next-file ] [ nip ] if
] if ;
: iterate-directory ( iter quot: ( obj -- ? ) -- obj )
over next-file [
over call
[ 2nip ] [ iterate-directory ] if*
] [
2drop f
] if* ; inline recursive
PRIVATE>
: find-file ( path bfs? quot: ( obj -- ? ) -- path/f )
[ <directory-iterator> ] dip
[ keep and ] curry iterate-directory ; inline
: each-file ( path bfs? quot: ( obj -- ? ) -- )
[ <directory-iterator> ] dip
[ f ] compose iterate-directory drop ; inline
: find-all-files ( path bfs? quot: ( obj -- ? ) -- paths )
[ <directory-iterator> ] dip
pusher [ [ f ] compose iterate-directory drop ] dip ; inline
: recursive-directory ( path bfs? -- paths )
[ ] accumulator [ each-file ] dip ;
: find-in-directories ( directories bfs? quot -- path' )
'[ _ _ find-file ] attempt-all ; inline
os windows? [ "io.paths.windows" require ] when