| 1 | import PMInstance |
| 2 | import PMDefaults |
| 3 | import ProposalMatcher |
| 4 | import System.IO |
| 5 | import Data.Array.IArray |
| 6 | import Data.Array.Unboxed |
| 7 | import ArrayStuff |
| 8 | import TSV |
| 9 | |
| 10 | -- Command-line interface with simple tab-separated input/output formats. |
| 11 | -- ./match <example.in |
| 12 | |
| 13 | main = do |
| 14 | incsv <- hGetContents stdin |
| 15 | -- handle errors another day, or let the platform do it |
| 16 | let inll = parseTSV incsv |
| 17 | let loadList = tail (head inll) |
| 18 | let numRvrs = length loadList |
| 19 | let loadA = listArray (0, numRvrs-1) (map read loadList) |
| 20 | let numProps = length (tail inll) `div` 2 |
| 21 | -- explicit type on the next line appears to be necessary |
| 22 | let pxarr = listOfListsToArray2D (tail inll) :: Array (Int,Int) String |
| 23 | -- careful, we end up transposing the array in here |
| 24 | let prefFixA = funcArray ((0,0), (numRvrs-1,numProps-1)) (\(i,j) -> |
| 25 | let |
| 26 | cell = pxarr ! (2*j, i+1) |
| 27 | (fix, pstr) = if last cell == '*' then (True, init cell) else (False, cell) |
| 28 | pref = read pstr |
| 29 | in (pref, fix)) :: Array (Int,Int) (Wt,Bool) |
| 30 | let prefA = amap2 fst prefFixA; fixA = amap2 snd prefFixA |
| 31 | let expA = funcArray ((0,0), (numRvrs-1,numProps-1)) (\(i,j) -> read $ pxarr ! (2*j+1, i+1)) |
| 32 | let pnrA = funcArray (0, numProps-1) (\j -> read $ pxarr ! (2*j, 0)) |
| 33 | let theInst = PMInstance numRvrs numProps loadA prefA expA fixA pnrA |
| 34 | let PMatching theMatching = doMatching pmDefaults theInst |
| 35 | hPutStr stdout $ formatTSV $ map (\(i, j) -> map show [i, j]) theMatching |