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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
syn region ledgerTransaction start=/^[[:digit:]~]/ skip=/^\s/ end=/^/
\ fold keepend transparent contains=ledgerTransactionDate,ledgerMetadata,ledgerPosting
syn match ledgerTransactionDate /^\d\S\+/ contained
syn match ledgerPosting /^\s\+[^[:blank:];][^;]*\ze\%($\|;\)/
\ contained transparent contains=ledgerAccount,ledgerMetadata
" 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 ledgerAccount /^\s\+\zs\%(\S \S\|\S\)\+\ze\%( \|\t\|\s*$\)/ contained
syn match ledgerComment /^;.*$/
" comments at eol must be preceeded by at least 2 spaces / 1 tab
syn region ledgerMetadata start=/\%( \|\t\|^\s\+\);/ skip=/^\s\+;/ end=/^/
\ keepend contained contains=ledgerTag
syn match ledgerTag /:[^:]\+:/hs=s+1,he=e-1 contained
syn match ledgerTag /\%(\%(;\|^tag\)[^:]\+\)\@<=[^:]\+\ze:[^:]\+$/ contained
syn region ledgerTagStack
\ matchgroup=ledgerTagPush start=/^tag\>/
\ matchgroup=ledgerTagPop end=/^pop\>/
\ contains=ledgerTagHead,ledgerTagStack,ledgerTransaction,ledgerComment
syn match ledgerTagHead /\%(^tag\s\+\)\@<=\S.*$/ contained contains=ledgerTag transparent
highlight default link ledgerTransactionDate Constant
highlight default link ledgerMetadata Tag
highlight default link ledgerTag Type
highlight default link ledgerTagPop Tag
highlight default link ledgerTagPush Tag
highlight default link ledgerAccount Identifier
" syncinc is easy: search for the first transaction.
syn sync clear
syn sync match ledgerSync grouphere ledgerTransaction "^[[:digit:]~]"
let b:current_syntax = "ledger"
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