" Language:    ledger
" License:     GNU General Public License, version 3 or later (at your option)
" Maintainer:  Julien Moutinho <julm+hcompta@autogeree.net>
" URL:         http://doc.autogeree.net/coop/hcompta
" Usage:       autocmd BufNewFile,BufRead *.ledger,*.journal setfiletype ledger

if exists("b:current_syntax")
	finish
 endif

syn clear
syn sync fromstart
syn sync linebreaks=1

syn match  ledgerComment              ";.*"
syn match  ledgerNumberOdd            /[0-9][0-9]*/ contained
syn match  ledgerNumber               /[0-9][0-9]*/ contained
syn match  ledgerAccountSeparator     ":"           contained
syn match  ledgerAccountSeparatorOdd  ":"           contained
syn match  ledgerAccountParen         /[()]/        contained
syn match  ledgerAccountParenOdd      /[()]/        contained
syn match  ledgerAccountBracket       /[[\]]/       contained
syn match  ledgerAccountBracketOdd    /[[\]]/       contained

syn region ledgerInclude   start=/^!include/ end=/^/
syn region ledgerDirective start=/^[A-Z]/    end=/^/ contains=ledgerComment

syn region ledgerTransaction            start=/^\d[^ 	]\+/ end=/^\s*$/
syn match  ledgerTransactionHead        "^[0-9/-]\+\( [0-9:]\+\)\?\(=[0-9/-]\+\( [0-9:]\+\)\?\)\?\(\s\+[!*]\)\?" contained containedin=ledgerTransaction nextgroup=ledgerTransactionDescription
syn match  ledgerTransactionDate        "[0-9/-]\+\( [0-9:]\+\)\?" contained containedin=ledgerTransactionHead
syn match  ledgerTransactionDescription "\s[^;]\+"ms=s+1           contained containedin=ledgerTransaction
syn match  ledgerTransactionComment     ";.*"                      contained containedin=ledgerTransaction,ledgerPosting,ledgerPostingOdd

syn match  ledgerPostingAmountOdd   "  \(\s*[^; ]\+\)\+"ms=s+0            contained containedin=ledgerPostingOdd  contains=ledgerNumberOdd
syn match  ledgerPostingAmount      "  \(\s*[^; ]\+\)\+"ms=s+0            contained containedin=ledgerPosting     contains=ledgerNumber
syn match  ledgerPostingAccountOdd  "^\s\+[^; 	]\([^; 	]\|\s[^; 	]\+\)*" contained containedin=ledgerPostingOdd  nextgroup=ledgerPostingAmountOdd contains=ledgerNumberOdd,ledgerAccountSeparatorOdd,ledgerAccountParenOdd,ledgerAccountBracketOdd
syn match  ledgerPostingAccount     "^\s\+[^; 	]\([^; 	]\|\s[^; 	]\+\)*" contained containedin=ledgerPosting     nextgroup=ledgerPostingAmount    contains=ledgerNumber,ledgerAccountSeparator,ledgerAccountParen,ledgerAccountBracket
syn region ledgerPostingOdd         start=/^\s\+[^; 	]/ end=/^/          contained containedin=ledgerTransaction nextgroup=ledgerPosting
syn region ledgerPosting            start=/^\s\+[^; 	]/ end=/^/          contained containedin=ledgerTransaction nextgroup=ledgerPostingOdd

syn match  ledgerTag      /[^;, :]\+:[^;,]*/     contained containedin=ledgerTransactionComment nextgroup=ledgerTagValue
syn match  ledgerTagValue /[^;, :]:[^,;]*/ms=s+2 contained containedin=ledgerTag

if version >= 508 || !exists("did_ledger_syntax_inits")
	if version < 508
		let did_ledger_syntax_inits = 1
		command! -nargs=+ HiLink hi link <args>
	else
		command! -nargs=+ HiLink hi def link <args>
	 endif
	hi SpecialKey                                                                     gui=bold                      guifg=lightgoldenrod
	hi Comment                       term=bold      cterm=bold ctermfg=6 ctermbg=0    gui=bold guifg=#4169E1
	hi Comment                       term=bold      cterm=bold ctermfg=6 ctermbg=0    gui=bold guifg=#4169E1
	HiLink ledgerComment Comment
	hi ledgerInclude                 term=bold      cterm=bold                        gui=bold
	hi ledgerDirective               term=bold      cterm=bold                        gui=bold
	hi ledgerAccountSeparatorOdd     term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=gray90
	hi ledgerAccountParenOdd         term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=gray90
	hi ledgerAccountBracketOdd       term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=gray90
	hi ledgerAccountSeparator        term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=lightgreen
	hi ledgerAccountParen            term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=lightgreen
	hi ledgerAccountBracket          term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=lightgreen
	hi ledgerNumberOdd               term=bold      cterm=bold ctermfg=4 ctermbg=none gui=bold guifg=blue           guibg=gray90
	hi ledgerNumber                  term=bold      cterm=bold ctermfg=4 ctermbg=none gui=bold guifg=blue           guibg=lightgreen
	hi ledgerPostingOdd                             cterm=bold           ctermbg=none                               guibg=NONE
	hi ledgerPosting                                cterm=bold           ctermbg=none                               guibg=NONE
	hi ledgerPostingAccountOdd       term=underline cterm=bold ctermfg=0 ctermbg=none          guifg=gray30         guibg=gray90
	hi ledgerPostingAccount          term=underline cterm=bold ctermfg=0 ctermbg=none          guifg=gray30         guibg=lightgreen
	hi ledgerPostingAmountOdd                       cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=gray90
	hi ledgerPostingAmount                          cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=DarkGoldenrod2 guibg=lightgreen
	hi ledgerTag                     term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=orange
	hi ledgerTagValue                term=bold      cterm=bold ctermfg=1 ctermbg=none gui=NONE guifg=red
	hi ledgerTransaction                            cterm=bold           ctermbg=none gui=bold
	hi ledgerTransactionComment      term=bold      cterm=bold ctermfg=6 ctermbg=none gui=bold guifg=#4169E1
	hi ledgerTransactionDate                        cterm=bold ctermfg=5 ctermbg=none gui=bold                      guibg=lightgoldenrod
	hi ledgerTransactionDescription                 cterm=bold ctermfg=5 ctermbg=none gui=bold
	hi ledgerTransactionHead         term=bold      cterm=bold ctermfg=3 ctermbg=none gui=bold guifg=purple         guibg=lightgoldenrod
	delcommand HiLink
 endif

let b:current_syntax = "ledger"