REBOL [ Title: "navigator" Date: 13-Aug-2002 Version: 1.0.0 File: %navigator.r Author: "Gregory Pecheret" Purpose: {to navigate throw files, next versions will include web and ftp navigation} Email: %gregory--pecheret--free--fr Web: http://gregory.pecheret.free.fr/index.r library: [ level: 'intermediate platform: none type: 'tool domain: 'file-handling tested-under: none support: none license: none see-also: none ] ] navigator: make object! [ url: none leaves: copy [] face-for-path: none read-filtered: func [f] [ ret: copy [] if error? try [ret: read f] [ print "problem reading directory" ] while [not tail? ret] [ if error? try [ either dir? to-file rejoin[url first ret][ ret: next ret ][ remove ret ] ][remove ret] ] ret: head ret sort ret ] go-up: does [ either "/" = to-string url [ print "top!" ] [ parsed: parse/all url "/" parsed: tail parsed parsed: back parsed remove parsed parsed: head parsed url: "" foreach p parsed [ url: rejoin [url p "/"] ] change-to "" ] ] go-to: func [file] [ url: to-file file change-to "" ] change-to: func [file] [ is-dir: false if error? try [ is-dir: dir? togo: to-file rejoin [url file] ] [ print rejoin ["problem testing " directory scan-elt] ] if is-dir [ url: togo leaves: read-filtered togo if face-for-path [ face-for-path/text: togo show face-for-path ] ] ] ]