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authorFate <fate-tmw@googlemail.com>2009-09-11 02:30:51 +0000
committerFate <fate-tmw@googlemail.com>2009-09-11 02:30:51 +0000
commit74b5dbf3c36af644fc676fb36b6fc389ef348b6f (patch)
tree2eb2dfb0475b0d2214730ed57f2b2ea7bd419195
parent545b71565a5d682e2875742515210ca3e684113f (diff)
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Added a quickly-hacked-together tool for tab-aligning mob_db and item_db
-rw-r--r--tools/retab.sml83
1 files changed, 83 insertions, 0 deletions
diff --git a/tools/retab.sml b/tools/retab.sml
new file mode 100644
index 00000000..b374eff2
--- /dev/null
+++ b/tools/retab.sml
@@ -0,0 +1,83 @@
+fun width (#"\t", i) = let val m = i mod 8 in if m = 0 then 8 else m end
+ | width (c, i) = 1
+
+fun encode_width (offset) (l) =
+ let fun expand ([], i) = []
+ | expand (c::tl, i) = let val w = width (c, i)
+ in (c, i, i + w) :: expand (tl, i + w)
+ end
+ in expand (l, offset)
+ end
+
+fun strip_blanks (#" "::tl) = strip_blanks (tl)
+ | strip_blanks (#"\t"::tl) = strip_blanks (tl)
+ | strip_blanks (#"\n"::tl) = strip_blanks (tl)
+ | strip_blanks (#"\r"::tl) = strip_blanks (tl)
+ | strip_blanks (other) = other
+
+fun clean (s) = rev (strip_blanks (rev (strip_blanks (s))))
+
+fun split_comma (#","::tl) = [#","] :: (split_comma (strip_blanks (tl)))
+ | split_comma ([]) = []
+ | split_comma (h::tl) = (case split_comma (tl) of
+ [] => [[h]]
+ | (h'::tl) => (h::h')::tl
+ )
+
+fun expand (l : char list list list, offset : int) : char list list list =
+ if List.all (null) (l) (* at the end of all rows *)
+ then l
+ else let fun splitlist ([]::tl) = let val (heads, tails) = splitlist (tl)
+ in ([]::heads, []::tails)
+ end
+ | splitlist ((hrow::tlrow)::tl) = let val (heads, tails) = splitlist (tl)
+ in (hrow::heads, tlrow::tails)
+ end
+ | splitlist ([]) = ([], [])
+ val (heads, tails) = splitlist (l)
+ val eheads = map (encode_width offset) heads
+
+ fun last_offset [] = offset
+ | last_offset (cell) = let val (_, _, x)::_ = rev (cell) in x end
+ val desired_final_offset = foldl Int.max offset (map last_offset (eheads))
+(*
+ val () = print ("start offset = " ^ Int.toString (offset) ^ "\n")
+ val () = print ("FINAL OFFSET = " ^ Int.toString (desired_final_offset) ^ "\n")
+*)
+ fun align (i) = ((i + 7) div 8) * 8
+ val desired_final_offset = align(desired_final_offset)
+(*
+ val () = print ("FINAL OFFSET (align) = " ^ Int.toString (desired_final_offset) ^ "\n")
+*)
+ fun fill (offset) = if offset >= desired_final_offset
+ then []
+ else #"\t" :: fill (align (offset - 7) + 8)
+ val fill = if List.all null tails
+ then fn _ => []
+ else fill
+ fun tabexpand ([]) = fill (offset)
+ | tabexpand (cell) = let val (_, _, finalwidth)::_ = rev (cell)
+ fun strip (x, _, _) = x
+ in rev (fill (finalwidth) @ rev (map strip (cell)))
+ end
+ val expanded_heads = map tabexpand (eheads)
+ val expanded_tails = expand (tails, desired_final_offset)
+ in ListPair.map op:: (expanded_heads, expanded_tails)
+ end
+
+fun align_strings (s : string list) = map (implode o List.concat) (expand (map ((map clean) o split_comma o explode) s, 0))
+
+(*val test = align_strings (["foo, bar, quux", "a,b", "0,01234567890,c"])*)
+
+fun println (s) = (print (s);
+ print "\n")
+
+fun read_input () =
+ case TextIO.inputLine (TextIO.stdIn) of
+ NONE => []
+ | SOME s => s :: read_input ()
+
+fun main (_, _) = app println (align_strings (read_input ()))
+
+val () = main ("", [])
+