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" Vim syntax file
" filetype: ledger
" Version: 0.1.0
" by Johann Klähn; Use according to the terms of the GPL>=2.
" by Stefan Karrmann; Use according to the terms of the GPL>=2.
" by Wolfgang Oertl; Use according to the terms of the GPL>=2.
" Revision history
" 2009-06-12 J. Klähn: Use all available columns for foldtext
" 2009-03-25 J. Klähn: Allow Metadata
" in transactions and postings (Ledger 3.0)
" Also fixed alignment for multi-byte-characters
" 2009-01-28 S.Karrmann: minor fixes
" 2009-01-27 third version by S.Karrmann.
" better extraction of the amount of the posting
" decimal separator can be one of '.' and ','.
" 2005-02-05 first version (partly copied from ledger.vim 0.0.1)
" vim:ts=2:sw=2:sts=2:foldmethod=marker
if version < 600
syntax clear
elseif exists("b:current_sytax")
finish
endif
" for debugging
syntax clear
" DATE[=EDATE] [*|!] [(CODE)] DESC <-- first line of transaction
" ACCOUNT AMOUNT [; NOTE] <-- posting
" region: a transaction containing postings
syn region transNorm start=/^[[:digit:]~]/ skip=/^\s/ end=/^/
\ fold keepend transparent contains=transDate,Metadata,Posting
syn match transDate /^\d\S\+/ contained
syn match Metadata /^\s\+;.*/ contained contains=MetadataTag
syn match Comment /^;.*$/
" every space in an account name shall be surrounded by two non-spaces
" every account name ends with a tab, two spaces or the end of the line
syn match Account /^\s\+\zs\%(\S \S\|\S\)\+\ze\%([ ]\{2,}\|\t\s*\|\s*$\)/ contained
syn match Posting /^\s\+[^[:blank:];].*$/ contained transparent contains=Account,Amount
" FIXME: add other symbols?
let s:currency = '\([$€£¢]\|\w\+\)'
let s:figures = '\d\+\([.,]\d\+\)*'
let s:amount = '-\?\('.s:figures.'\s*'.s:currency.'\|'.s:currency.'\s*'.s:figures.'\)'
exe 'syn match Amount /'.s:amount.'/ contained'
syn match MetadataTag /:\zs[^:]\+\ze:\|;\s*\zs[^:]\+\ze:[^:]\+$/ contained
highlight default link transDate Constant
highlight default link Metadata Tag
highlight default link MetadataTag Type
highlight default link Amount Number
highlight default link Comment Comment
highlight default link Account Identifier
" syncinc is easy: search for the first transaction.
syn sync clear
syn sync match ledgerSync grouphere transNorm "^[[:digit:]~]"
let b:current_syntax = "ledger"
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