fix bug in io.paths, add io.paths.windows

extra/io/paths/paths.factor

@@ -1,11 +1,13 @@
 ! Copyright (C) 2008 Doug Coleman.
 ! See http://factorcode.org/license.txt for BSD license.
-USING: io.files kernel sequences accessors
-dlists deques arrays ;
+USING: accessors arrays deques dlists io.files io.paths.private
+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 ;
 
@@ -25,25 +27,32 @@ TUPLE: directory-iterator path bfs queue ;
         [ over push-directory next-file ] [ nip ] if
     ] if ;
 
-: iterate-directory ( iter quot -- obj )
+: iterate-directory ( iter quot: ( obj -- ? ) -- obj )
     over next-file [
         over call
-        [ 2drop ] [ iterate-directory ] if
+        [ 2nip ] [ iterate-directory ] if*
     ] [
         2drop f
     ] if* ; inline recursive
 
-: find-file ( path bfs? quot -- path/f )
+PRIVATE>
+
+: find-file ( path bfs? quot: ( obj -- ? ) -- path/f )
     [ <directory-iterator> ] dip
     [ keep and ] curry iterate-directory ; inline
 
-: each-file ( path bfs? quot -- )
+: each-file ( path bfs? quot: ( obj -- ? ) -- )
     [ <directory-iterator> ] dip
     [ f ] compose iterate-directory drop ; inline
 
-: find-all-files ( path bfs? quot -- paths )
+: 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

extra/io/paths/windows/authors.txt

@@ -0,0 +1 @@
+Doug Coleman

extra/io/paths/windows/tags.txt

@@ -0,0 +1 @@
+unportable

extra/io/paths/windows/windows.factor

@@ -0,0 +1,13 @@
+! Copyright (C) 2008 Doug Coleman.
+! See http://factorcode.org/license.txt for BSD license.
+USING: arrays continuations fry io.files io.paths
+kernel windows.shell32 sequences ;
+IN: io.paths.windows
+
+: program-files-directories ( -- array )
+    program-files program-files-x86 2array ; inline
+
+: find-in-program-files ( base-directory bfs? quot -- path )
+    [
+        [ program-files-directories ] dip '[ _ append-path ] map
+    ] 2dip find-in-directories ; inline