85 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
			
		
		
	
	
			85 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Haskell
		
	
	
	
	
	
| #!/usr/bin/env runhaskell
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| {-
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| hledger - ledger-compatible money management tool (& haskell study)
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| GPLv3, (c) Simon Michael & contributors
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| A port of John Wiegley's ledger at http://newartisans.com/ledger.html
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| 
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| See Types.hs for a code overview.
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| -}
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| 
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| module Main
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| where
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| import System
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| import Text.ParserCombinators.Parsec (ParseError)
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| 
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| import Options
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| import Models
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| import Parse
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| import Tests
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| import Utils hiding (test)
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| 
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| 
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| main :: IO ()
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| main = do
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|   (opts, (cmd:args)) <- getArgs >>= parseOptions
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|   let pats = parsePatternArgs args
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|   run cmd opts pats
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|   where run cmd opts pats
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|             | Help `elem` opts            = putStr usage
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|             | cmd `isPrefixOf` "test"     = test     opts pats
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|             | cmd `isPrefixOf` "print"    = doWithFilteredLedger opts pats printentries
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|             | cmd `isPrefixOf` "register" = doWithFilteredLedger opts pats printregister
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|             | cmd `isPrefixOf` "balance"  = balance  opts pats
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|             | otherwise                   = putStr usage
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| 
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| doWithFilteredLedger :: [Flag] -> FilterPatterns -> (Ledger -> IO ()) -> IO ()
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| doWithFilteredLedger opts pats cmd = do
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|     ledgerFilePath opts >>= parseLedgerFile >>= doWithParsed pats cmd
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| 
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| doWithParsed :: FilterPatterns -> (Ledger -> IO ()) -> (Either ParseError LedgerFile) -> IO ()
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| doWithParsed pats cmd parsed = do
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|   case parsed of Left e -> parseError e
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|                  Right l -> cmd $ cacheLedger pats l 
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| 
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| type Command = [Flag] -> FilterPatterns -> IO ()
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| 
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| test :: Command
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| test opts pats = do 
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|   Tests.hunit
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|   Tests.quickcheck
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|   return ()
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| 
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| printentries l = putStr $ showEntries $ setprecisions $ entries $ rawledger l
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|     where setprecisions = map (entrySetPrecision (lprecision l))
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|       
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| printregister l = putStr $ showTransactionsWithBalances 
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|                   (sortBy (comparing date) $ ledgerTransactions l)
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|                   nullamt{precision=lprecision l}
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| 
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| balance :: Command
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| balance opts pats = do
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|   doWithFilteredLedger opts pats printbalance
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|     where
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|       printbalance l =
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|           putStr $ showLedgerAccounts l depth
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|               where 
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|                 showsubs = (ShowSubs `elem` opts)
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|                 depth = case (pats, showsubs) of
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|                           ((Nothing,_), False) -> 1
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|                           otherwise  -> 9999
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| 
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| {-
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| interactive testing in ghci:
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| 
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| p <- ledgerFilePath [File "./test.ledger"] >>= parseLedgerFile
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| let r = either (\_ -> LedgerFile [] [] [] "") id p
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| let l = cacheLedger (argpats [] []) r
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| let ant = accountnametree l
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| let at = accounts l
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| putStr $ drawTree $ treemap show $ ant
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| putStr $ showLedgerAccounts l 1
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| :m +Tests
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| l7
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| 
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| -}
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