hledger/hledger.hs
2007-02-16 09:00:17 +00:00

80 lines
2.5 KiB
Haskell

#!/usr/bin/env runhaskell
-- hledger - ledger-compatible money management utilities (& haskell study)
-- GPLv3, (c) Simon Michael & contributors,
-- John Wiegley's ledger is at http://newartisans.com/ledger.html .
module Main -- application logic & most IO
where
import System.Environment (withArgs) -- for testing in old hugs
import System
import Data.List
import Test.HUnit (runTestTT)
import Test.QuickCheck (quickCheck)
import Text.ParserCombinators.Parsec (parseFromFile, ParseError)
import Options
import Models
import Parse
import Tests
main :: IO ()
main = do
(opts, args) <- (getArgs >>= getOptions)
if args == []
then register [] []
else
let (command, args') = (head args, tail args) in
if "reg" `isPrefixOf` command then (register opts args')
else if "bal" `isPrefixOf` command then balance opts args'
else if "test" `isPrefixOf` command then test
else putStr $ usageInfo usageHeader options
-- commands
test :: IO ()
test = do
hcounts <- runTestTT tests
qcounts <- mapM quickCheck props
return ()
where showHunitCounts c =
reverse $ tail $ reverse ("passed " ++ (unwords $ drop 5 $ words (show c)))
register :: [Flag] -> [String] -> IO ()
register opts args = do
getLedgerFilePath >>= parseLedgerFile >>= doWithParsed (printRegister opts args)
balance :: [Flag] -> [String] -> IO ()
balance opts args = do
getLedgerFilePath >>= parseLedgerFile >>= doWithParsed (printBalance opts args)
-- utils
-- doWithLedgerFile =
-- getLedgerFilePath >>= parseLedgerFile >>= doWithParsed
doWithParsed :: (a -> IO ()) -> (Either ParseError a) -> IO ()
doWithParsed a p = do
case p of Left e -> parseError e
Right v -> a v
printRegister :: [Flag] -> [String] -> Ledger -> IO ()
printRegister opts args ledger = do
putStr $ showTransactionsWithBalances
(ledgerTransactionsMatching (acctpats,descpats) ledger)
0
where (acctpats,descpats) = ledgerPatternArgs args
printBalance :: [Flag] -> [String] -> Ledger -> IO ()
printBalance opts args ledger = do
-- putStr $ showAccountWithBalances ledger (ledgerAccountsData l)
putStr $ showLedgerAccounts ledger acctpats depth
where
(acctpats,_) = ledgerPatternArgs args
depth = depthOption opts
-- showsubs = (ShowSubs `elem` opts)
-- accounts = case showsubs of
-- True -> expandAccountNamesMostly ledger (ledgerTopAccountNames ledger)
-- False -> [(a,indentAccountName a) | a <- ledgerAccountNamesMatching acctpats ledger]