fun neg (r : real) = ~r
fun add (r1 : real, r2) = r1 + r2
+fun sub (r1 : real, r2) = r1 - r2
+fun mult (r1, r2) = real r1 * r2
-fun isIdent ch = Char.isLower ch orelse Char.isDigit ch
+fun lt (r1 : real, r2) = r1 < r2
+fun ge (r1 : real, r2) = r1 >= r2
+
+fun isIdent ch = Char.isLower ch orelse Char.isDigit ch orelse ch = #"-"
fun validHost s =
- size s > 0 andalso size s < 20 andalso List.all isIdent (String.explode s)
+ size s > 0 andalso size s < 40 andalso List.all isIdent (String.explode s)
fun validDomain s =
size s > 0 andalso size s < 100 andalso List.all validHost (String.fields (fn ch => ch = #".") s)
fun randomPassword () = Int.toString (Int.abs (Random.randInt (!rnd)))
fun domainDir dom =
- String.concatWith "/" ("/etc/domains" :: String.fields (fn ch => ch = #".") dom)
+ String.concatWith "/" ("/afs/hcoop.net/common/etc/domtool/nodes/deleuze" :: List.rev (String.fields (fn ch => ch = #".") dom))
+
+fun readFile fname =
+ let
+ val inf = TextIO.openIn fname
+
+ fun readLines lines =
+ case TextIO.inputLine inf of
+ NONE => String.concat (List.rev lines)
+ | SOME line => readLines (line :: lines)
+ in
+ readLines []
+ before TextIO.closeIn inf
+ end
+
+fun mem (x, ls) = List.exists (fn y => y = x) ls
+
+val allLower = CharVector.map Char.toLower
+
+fun normEmail s = case String.tokens Char.isSpace (allLower s) of
+ s :: _ => s
+ | [] => ""
+
+val s_cutoff = LargeInt.fromInt 60
+val m_cutoff = LargeInt.fromInt (60 * 60)
+val h_cutoff = LargeInt.fromInt (60 * 60 * 24)
+
+fun diffFromNow t =
+ let
+ val secs = Time.toSeconds (Time.- (Time.now (), t))
+ in
+ if LargeInt.< (secs, s_cutoff) then
+ LargeInt.toString secs ^ " seconds"
+ else if LargeInt.< (secs, m_cutoff) then
+ LargeInt.toString (LargeInt.div (secs, s_cutoff)) ^ " minutes"
+ else if LargeInt.< (secs, h_cutoff) then
+ LargeInt.toString (LargeInt.div (secs, m_cutoff)) ^ " hours"
+ else
+ LargeInt.toString (LargeInt.div (secs, h_cutoff)) ^ " days"
+ end
end