1ec1f7c4ea
Currently this is just the journal and timelog file formats. This is more scalable, but when things go wrong there is no longer just a single parse error. For now we'll just show the first error, the one from the journal file parser.
90 lines
2.8 KiB
Haskell
90 lines
2.8 KiB
Haskell
{-# LANGUAGE CPP #-}
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{-|
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A reader for the timelog file format generated by timeclock.el.
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From timeclock.el 2.6:
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@
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A timelog contains data in the form of a single entry per line.
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Each entry has the form:
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CODE YYYY/MM/DD HH:MM:SS [COMMENT]
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CODE is one of: b, h, i, o or O. COMMENT is optional when the code is
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i, o or O. The meanings of the codes are:
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b Set the current time balance, or \"time debt\". Useful when
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archiving old log data, when a debt must be carried forward.
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The COMMENT here is the number of seconds of debt.
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h Set the required working time for the given day. This must
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be the first entry for that day. The COMMENT in this case is
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the number of hours in this workday. Floating point amounts
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are allowed.
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i Clock in. The COMMENT in this case should be the name of the
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project worked on.
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o Clock out. COMMENT is unnecessary, but can be used to provide
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a description of how the period went, for example.
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O Final clock out. Whatever project was being worked on, it is
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now finished. Useful for creating summary reports.
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@
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Example:
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@
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i 2007/03/10 12:26:00 hledger
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o 2007/03/10 17:26:02
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@
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-}
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module Hledger.Read.Timelog (
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tests_Timelog,
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parseJournal,
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)
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where
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import Control.Monad.Error (ErrorT(..))
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import Text.ParserCombinators.Parsec
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import Hledger.Data
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import Hledger.Read.Common
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import Hledger.Read.Journal hiding (parseJournal)
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-- | Parse and post-process a "Journal" from timeclock.el's timelog
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-- format, saving the provided file path and the current time, or give an
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-- error.
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parseJournal :: FilePath -> String -> ErrorT String IO Journal
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parseJournal = parseJournalWith timelogFile
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timelogFile :: GenParser Char LedgerFileCtx JournalUpdate
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timelogFile = do items <- many timelogItem
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eof
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return $ liftM (foldr (.) id) $ sequence items
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where
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-- As all ledger line types can be distinguished by the first
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-- character, excepting transactions versus empty (blank or
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-- comment-only) lines, can use choice w/o try
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timelogItem = choice [ ledgerExclamationDirective
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, liftM (return . addHistoricalPrice) ledgerHistoricalPrice
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, ledgerDefaultYear
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, emptyLine >> return (return id)
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, liftM (return . addTimeLogEntry) timelogentry
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] <?> "timelog entry, or default year or historical price directive"
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-- | Parse a timelog entry.
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timelogentry :: GenParser Char LedgerFileCtx TimeLogEntry
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timelogentry = do
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code <- oneOf "bhioO"
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many1 spacenonewline
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datetime <- ledgerdatetime
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comment <- optionMaybe (many1 spacenonewline >> liftM2 (++) getParentAccount restofline)
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return $ TimeLogEntry (read [code]) datetime (fromMaybe "" comment)
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tests_Timelog = TestList [
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]
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