54 lines
1.8 KiB
Haskell
54 lines
1.8 KiB
Haskell
#!/usr/bin/env runhaskell
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{-|
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hledger - a ledger-compatible text-based accounting tool.
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Copyright (c) 2007-2008 Simon Michael <simon@joyful.com>
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Released under GPL version 3 or later.
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This is a minimal haskell clone of John Wiegley's ledger
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<http://newartisans.com/software/ledger.html>. hledger generates
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simple ledger-compatible register & balance reports from a plain text
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ledger file, and demonstrates a functional implementation of ledger.
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-}
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module Main
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where
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import qualified Data.Map as Map (lookup)
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import Options
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import Ledger
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import BalanceCommand
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import PrintCommand
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import RegisterCommand
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import Tests
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import Utils
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main :: IO ()
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main = do
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(opts, cmd, args) <- parseArguments
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run cmd opts args
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where
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run cmd opts args
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| Help `elem` opts = putStr usage
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| Version `elem` opts = putStr version
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| cmd `isPrefixOf` "balance" = parseLedgerAndDo opts args printbalance
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| cmd `isPrefixOf` "print" = parseLedgerAndDo opts args printentries
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| cmd `isPrefixOf` "register" = parseLedgerAndDo opts args printregister
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| cmd `isPrefixOf` "test" = runtests >> return ()
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| otherwise = putStr usage
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-- | parse the user's specified ledger file and do some action with it
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-- (or report a parse error). This function makes the whole thing go.
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parseLedgerAndDo :: [Opt] -> [String] -> ([Opt] -> [String] -> Ledger -> IO ()) -> IO ()
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parseLedgerAndDo opts args cmd =
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ledgerFilePathFromOpts opts >>= parseLedgerFile >>= either printParseError runthecommand
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where
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runthecommand = cmd opts args . cacheLedger acctpat . filterRawLedgerEntries begin end descpat
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begin = beginDateFromOpts opts
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end = endDateFromOpts opts
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acctpat = regexFor acctpats
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descpat = regexFor descpats
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(acctpats,descpats) = parseAccountDescriptionArgs args
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