ledger.vim: use full width, not only 80 chars
Also add option g:ledger_maxwidth to provide old behaviour by putting a line like this in .vimrc: let g:ledger_maxwidth = 80 I think that it would make sense to put all the functions and everything that has to do with foldtext in ftplugin/ledger.vim Signed-off-by: John Wiegley <johnw@newartisans.com>
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Johann Klähn
John Wiegley
parent
49f5465adb
commit
5258105382
1 changed files with 85 additions and 35 deletions
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" Vim syntax file
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" filetype: ledger
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" Version: 0.0.5
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" Version: 0.1.0
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" by Johann Klähn; Use according to the terms of the GPL>=2.
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" by Stefan Karrmann; Use according to the terms of the GPL>=2.
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" by Wolfgang Oertl; Use according to the terms of the GPL>=2.
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" Revision history
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" 2009-03-25 J. Klähn: Allow Metadata in postings (Ledger 3.0)
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" 2009-06-12 J. Klähn: Use all available columns for foldtext
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" 2009-03-25 J. Klähn: Allow Metadata
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" in transactions and postings (Ledger 3.0)
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" Also fixed alignment for multi-byte-characters
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" 2009-01-28 S.Karrmann: minor fixes
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" 2009-01-27 third version by S.Karrmann.
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" better extraction of the amount of the posting
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" decimal separator can be one of '.' and ','.
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" 2005-02-05 first version (partly copied from ledger.vim 0.0.1)
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" vim:ts=2:sw=2:sts=2:foldmethod=marker
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if version < 600
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syntax clear
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elseif exists("b:current_sytax")
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finish
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endif
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" You can set a maximal number of columns the fold text (excluding amount)
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" will use by overriding g:ledger_maxwidth in your .vimrc.
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" When maxwidth is zero, the amount will be displayed at the far right side
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" of the screen.
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if !exists('g:ledger_maxwidth')
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let g:ledger_maxwidth = 0
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endif
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" for debugging
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syntax clear
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" region: a normal posting
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syn region postNorm start=/^\d/ skip=/^\s/ end=/^/ fold keepend transparent contains=postDate,Metadata
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syn match postDate /^\d\S\+/ contained
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" region: a transaction containing postings
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syn region transNorm start=/^\d/ skip=/^\s/ end=/^/
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\ fold keepend transparent contains=transDate, Metadata
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syn match transDate /^\d\S\+/ contained
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syn match Metadata /^\s\+;.*/ contained
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syn match Comment /^;.*$/
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highlight default link Comment SpecialKey
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highlight default link Metadata SpecialKey
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highlight default link postDate Question
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highlight default link transDate Question
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" folding: how to represent a posting in one line.
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function! s:multibyte_strlen(text) "{{{
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return strlen(substitute(a:text, ".", "x", "g"))
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endf "}}}
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function s:get_columns(win) "{{{
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" As long as vim doesn't provide a command natively,
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" we have to compute the available columns.
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" see :help todo.txt -> /Add argument to winwidth()/
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" FIXME: Although this will propably never be used with debug mode enabled
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" this should take the signs column into account (:help sign.txt)
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let columns = (winwidth(a:win) == 0 ? 80 : winwidth(a:win)) - &foldcolumn
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if &number
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" line('w$') is the line number of the last line
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let columns -= max([len(line('w$'))+1, &numberwidth])
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endif
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return columns
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endf "}}}
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let s:rx_amount = '\('.
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\ '\%([0-9]\+\)'.
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\ '\%([,.][0-9]\+\)*'.
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\ '\|'.
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\ '[,.][0-9]\+'.
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\ '\)'.
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\ '\s*\%([[:alpha:]¢$€£]\+\s*\)\?'.
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\ '\%(\s*;.*\)\?$'
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" folding: how to represent a transaction in one line.
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function! LedgerFoldText()
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let line = strpart(getline(v:foldstart), 0, 99)
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let amount = ""
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" find amount
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let amount = ""
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let lnum = v:foldstart
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while lnum <= v:foldend
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let line = getline(lnum)
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let delta = 1
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while (delta >= 1 && delta < (v:foldend-v:foldstart+1))
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let other_line = getline(v:foldstart+delta)
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if len(matchstr(other_line, '^\s\+;')) != 0
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" Skip metadata/leading comment
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let delta = delta + 1
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else
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" No comment, look for amount...
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let delta = -1
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let lst = matchlist(other_line,'\(\%([0-9]\+[,.]\)\=[0-9]\+\%([,.][0-9]\+\)\=\|[,.][0-9]\+\)\s*\%([A-Za-z$€¢]\+\s*\)\=\%(\s*;.*\)\=$')
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if (len(lst) != 0)
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let amount = lst[1]
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endif
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" Skip metadata/leading comment
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if line !~ '^\s\+;'
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" No comment, look for amount...
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let groups = matchlist(line, s:rx_amount)
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echomsg string(groups)
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if ! empty(groups)
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echomsg amount
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let amount = groups[1]
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break
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endif
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endwhile
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endif
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let lnum += 1
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endwhile
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" Replace each char with x prior to counting
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" this fixes problems with multi byte characters
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let pad_len = 80 - strlen(substitute(line, ".", "x", "g")) - strlen(substitute(amount, ".", "x", "g"))
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if (pad_len < 0)
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pad_len = 0
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endif
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let pad = strpart(" ", 0, pad_len)
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return line . pad . amount
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let fmt = '%s %s '
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" strip whitespace at beginning and end of line
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let foldtext = substitute(getline(v:foldstart),
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\ '\(^\s\+\|\s\+$\)', '', 'g')
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" number of columns foldtext can use
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let columns = s:get_columns(0)
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if g:ledger_maxwidth
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let columns = min([columns, g:ledger_maxwidth])
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endif
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let columns -= s:multibyte_strlen(printf(fmt, '', amount))
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" add spaces so the text is always long enough when we strip it
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" to a certain width (fake table)
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let foldtext .= repeat(' ', s:get_columns(0))
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" we don't use slices[:5], because that messes up multibyte characters
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let foldtext = substitute(foldtext, '.\{'.columns.'}\zs.*$', '', '')
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return printf(fmt, foldtext, amount)
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endfunction
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set foldtext=LedgerFoldText()
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set foldmethod=syntax
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" syncinc is easy: search for the first posting.
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" syncinc is easy: search for the first transaction.
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syn sync clear
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syn sync match ledgerSync grouphere postNorm "^\d"
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syn sync match ledgerSync grouphere transNorm "^\d"
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let b:current_syntax = "ledger"
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