mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-23 03:18:08 +01:00
465 lines
19 KiB
VimL
465 lines
19 KiB
VimL
" notmuch.vim plugin --- run notmuch within vim
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"
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" Copyright © Carl Worth
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"
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" This file is part of Notmuch.
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"
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" Notmuch is free software: you can redistribute it and/or modify it
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" under the terms of the GNU General Public License as published by
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" the Free Software Foundation, either version 3 of the License, or
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" (at your option) any later version.
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"
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" Notmuch is distributed in the hope that it will be useful, but
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" WITHOUT ANY WARRANTY; without even the implied warranty of
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" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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" General Public License for more details.
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"
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" You should have received a copy of the GNU General Public License
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" along with Notmuch. If not, see <http://www.gnu.org/licenses/>.
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"
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" Authors: Bart Trojanowski <bart@jukie.net>
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" --- configuration defaults {{{1
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let s:notmuch_defaults = {
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\ 'g:notmuch_cmd': 'notmuch' ,
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\ 'g:notmuch_search_reverse': 1 ,
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\ 'g:notmuch_show_fold_signatures': 1 ,
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\ 'g:notmuch_show_fold_citations': 1 ,
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\
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\ 'g:notmuch_show_message_begin_regexp': '^ message{' ,
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\ 'g:notmuch_show_message_end_regexp': '^ message}' ,
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\ 'g:notmuch_show_header_begin_regexp': '^ header{' ,
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\ 'g:notmuch_show_header_end_regexp': '^ header}' ,
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\ 'g:notmuch_show_body_begin_regexp': '^ body{' ,
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\ 'g:notmuch_show_body_end_regexp': '^ body}' ,
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\ 'g:notmuch_show_attachment_begin_regexp': '^ attachment{' ,
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\ 'g:notmuch_show_attachment_end_regexp': '^ attachment}' ,
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\ 'g:notmuch_show_part_begin_regexp': '^ part{' ,
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\ 'g:notmuch_show_part_end_regexp': '^ part}' ,
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\ 'g:notmuch_show_marker_regexp': '^ \\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$',
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\
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\ 'g:notmuch_show_message_parse_regexp': '\(id:[^ ]*\) depth:\([0-9]*\) filename:\(.*\)$',
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\ 'g:notmuch_show_tags_regexp': '(\([^)]*\))$' ,
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\
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\ 'g:notmuch_show_signature_regexp': '^\(-- \?\|_\+\)$' ,
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\ 'g:notmuch_show_signature_lines_max': 12 ,
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\
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\ 'g:notmuch_show_citation_regexp': '^\s*>' ,
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\ }
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" defaults for g:notmuch_show_headers
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" override with: let g:notmuch_show_headers = [ ... ]
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let s:notmuch_show_headers_defaults = [
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\ 'Subject',
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\ 'From'
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\ ]
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" --- keyboard mapping definitions {{{1
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" --- --- bindings for search screen {{{2
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let g:notmuch_search_maps = {
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\ '<Enter>': ':call <SID>NM_search_display()<CR>',
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\ 's': ':call <SID>NM_cmd_search(split(input(''NotMuch Search:'')))<CR>',
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\ }
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" --- --- bindings for show screen {{{2
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let g:notmuch_show_maps = {
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\ 'q': ':call <SID>NM_cmd_show_quit()<CR>',
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\ '<C-N>': ':call <SID>NM_cmd_show_next()<CR>',
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\ 'c': ':call <SID>NM_cmd_show_fold_toggle(''c'', ''cit'', !g:notmuch_show_fold_citations)<CR>',
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\ 's': ':call <SID>NM_cmd_show_fold_toggle(''s'', ''sig'', !g:notmuch_show_fold_signatures)<CR>',
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\ }
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" --- implement search screen {{{1
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function! s:NM_cmd_search(words)
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let cmd = ['search']
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if g:notmuch_search_reverse
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let cmd = cmd + ['--reverse']
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endif
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let data = s:NM_run(cmd + a:words)
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"let data = substitute(data, '27/27', '25/27', '')
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"let data = substitute(data, '\[4/4\]', '[0/4]', '')
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let lines = split(data, "\n")
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let disp = copy(lines)
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call map(disp, 'substitute(v:val, "^thread:\\S* ", "", "")' )
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call s:NM_newBuffer('search', join(disp, "\n"))
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let b:nm_raw_lines = lines
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call <SID>NM_set_map(g:notmuch_search_maps)
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setlocal cursorline
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setlocal nowrap
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endfunction
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function! s:NM_search_display()
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if !exists('b:nm_raw_lines')
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echo 'no b:nm_raw_lines'
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else
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let line = line('.')
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let info = b:nm_raw_lines[line-1]
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let what = split(info, '\s\+')[0]
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call s:NM_cmd_show([what])
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endif
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endfunction
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" --- implement show screen {{{1
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function! s:NM_cmd_show(words)
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let prev_bufnr = bufnr('%')
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let data = s:NM_run(['show'] + a:words)
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let lines = split(data, "\n")
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let info = s:NM_cmd_show_parse(lines)
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call s:NM_newBuffer('show', join(info['disp'], "\n"))
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setlocal bufhidden=delete
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let b:nm_raw_info = info
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let b:nm_prev_bufnr = prev_bufnr
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call s:NM_cmd_show_mkfolds()
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call s:NM_cmd_show_mksyntax()
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call <SID>NM_set_map(g:notmuch_show_maps)
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setlocal foldtext=NM_cmd_show_foldtext()
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setlocal fillchars=
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setlocal foldcolumn=6
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endfunction
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function! s:NM_cmd_show_quit()
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exec printf(":buffer %d", b:nm_prev_bufnr)
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endfunction
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function! s:NM_cmd_show_next()
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let info = b:nm_raw_info
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let lnum = line('.')
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let cnt = 0
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for msg in info['msgs']
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let cnt = cnt + 1
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if lnum >= msg['start']
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continue
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endif
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exec printf('norm %dG', msg['start'])
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norm zz
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return
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endfor
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norm qj
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call <SID>NM_search_display()
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endfunction
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function! s:NM_cmd_show_fold_toggle(key, type, fold)
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let info = b:nm_raw_info
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let act = 'open'
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if a:fold
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let act = 'close'
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endif
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for fld in info['folds']
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if fld[0] == a:type
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exec printf('%dfold%s', fld[1], act)
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endif
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endfor
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exec printf('nnoremap <buffer> %s :call <SID>NM_cmd_show_fold_toggle(''%s'', ''%s'', %d)<CR>', a:key, a:key, a:type, !a:fold)
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endfunction
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" s:NM_cmd_show_parse returns the following dictionary:
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" 'disp': lines to display
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" 'msgs': message info dicts { start, end, id, depth, filename, descr, header }
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" 'folds': fold info arrays [ type, start, end ]
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" 'foldtext': fold text indexed by start line
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function! s:NM_cmd_show_parse(inlines)
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let info = { 'disp': [],
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\ 'msgs': [],
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\ 'folds': [],
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\ 'foldtext': {} }
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let msg = {}
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let hdr = {}
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let in_message = 0
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let in_header = 0
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let in_body = 0
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let in_part = ''
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let body_start = -1
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let part_start = -1
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let mode_type = ''
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let mode_start = -1
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let inlnum = 0
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for line in a:inlines
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let inlnum = inlnum + 1
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let foldinfo = []
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if strlen(in_part)
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let part_end = 0
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if match(line, g:notmuch_show_part_end_regexp) != -1
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let part_end = len(info['disp'])
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else
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call add(info['disp'], line)
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endif
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if in_part == 'text/plain'
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if !part_end && mode_type == ''
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if match(line, g:notmuch_show_signature_regexp) != -1
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let mode_type = 'sig'
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let mode_start = len(info['disp'])
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elseif match(line, g:notmuch_show_citation_regexp) != -1
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let mode_type = 'cit'
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let mode_start = len(info['disp'])
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endif
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elseif mode_type == 'cit'
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if part_end || match(line, g:notmuch_show_citation_regexp) == -1
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let outlnum = len(info['disp'])
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let foldinfo = [ mode_type, mode_start, outlnum,
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\ printf('[ %d-line citation. Press "c" to show. ]', outlnum - mode_start) ]
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let mode_type = ''
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endif
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elseif mode_type == 'sig'
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let outlnum = len(info['disp'])
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if (outlnum - mode_start) > g:notmuch_show_signature_lines_max
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echoe 'line ' . outlnum . ' stopped matching'
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let mode_type = ''
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elseif part_end
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let foldinfo = [ mode_type, mode_start, outlnum,
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\ printf('[ %d-line signature. Press "s" to show. ]', outlnum - mode_start) ]
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let mode_type = ''
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endif
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endif
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endif
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if part_end
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" FIXME: this is a hack for handling two folds being added for one line
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" we should handle addinga fold in a function
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if len(foldinfo)
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call add(info['folds'], foldinfo[0:2])
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let info['foldtext'][foldinfo[1]] = foldinfo[3]
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endif
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let foldinfo = [ 'text', part_start, part_end,
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\ printf('[ %d-line %s. Press "p" to show. ]', part_end - part_start, in_part) ]
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let in_part = ''
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call add(info['disp'], '')
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endif
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elseif in_body
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if !has_key(msg,'body_start')
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let msg['body_start'] = len(info['disp']) + 1
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endif
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if match(line, g:notmuch_show_body_end_regexp) != -1
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let body_end = len(info['disp'])
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let foldinfo = [ 'body', body_start, body_end,
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\ printf('[ BODY %d - %d lines ]', len(info['msgs']), body_end - body_start) ]
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let in_body = 0
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elseif match(line, g:notmuch_show_part_begin_regexp) != -1
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let m = matchlist(line, 'ID: \(\d\+\), Content-type: \(\S\+\)')
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let in_part = 'unknown'
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if len(m)
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let in_part = m[2]
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endif
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call add(info['disp'],
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\ printf('--- %s ---', in_part))
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let part_start = len(info['disp']) + 1
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endif
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elseif in_header
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if in_header == 1
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let msg['descr'] = line
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call add(info['disp'], line)
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let in_header = 2
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let msg['hdr_start'] = len(info['disp']) + 1
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else
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if match(line, g:notmuch_show_header_end_regexp) != -1
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let msg['header'] = hdr
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let in_header = 0
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let hdr = {}
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else
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let m = matchlist(line, '^\(\w\+\):\s*\(.*\)$')
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if len(m)
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let hdr[m[1]] = m[2]
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if match(g:notmuch_show_headers, m[1]) != -1
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call add(info['disp'], line)
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endif
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endif
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endif
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endif
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elseif in_message
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if match(line, g:notmuch_show_message_end_regexp) != -1
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let msg['end'] = len(info['disp'])
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call add(info['disp'], '')
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let foldinfo = [ 'match', msg['start'], msg['end'],
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\ printf('[ MSG %d - %s ]', len(info['msgs']), msg['descr']) ]
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call add(info['msgs'], msg)
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let msg = {}
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let in_message = 0
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let in_header = 0
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let in_body = 0
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let in_part = ''
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elseif match(line, g:notmuch_show_header_begin_regexp) != -1
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let in_header = 1
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continue
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elseif match(line, g:notmuch_show_body_begin_regexp) != -1
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let body_start = len(info['disp']) + 1
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let in_body = 1
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continue
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endif
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else
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if match(line, g:notmuch_show_message_begin_regexp) != -1
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let msg['start'] = len(info['disp']) + 1
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let m = matchlist(line, g:notmuch_show_message_parse_regexp)
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if len(m)
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let msg['id'] = m[1]
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let msg['depth'] = m[2]
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let msg['filename'] = m[3]
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endif
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let in_message = 1
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endif
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endif
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if len(foldinfo)
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call add(info['folds'], foldinfo[0:2])
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let info['foldtext'][foldinfo[1]] = foldinfo[3]
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endif
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endfor
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return info
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endfunction
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function! s:NM_cmd_show_mkfolds()
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let info = b:nm_raw_info
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for afold in info['folds']
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exec printf('%d,%dfold', afold[1], afold[2])
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if (afold[0] == 'sig' && g:notmuch_show_fold_signatures)
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\ || (afold[0] == 'cit' && g:notmuch_show_fold_citations)
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exec printf('%dfoldclose', afold[1])
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else
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exec printf('%dfoldopen', afold[1])
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endif
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endfor
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endfunction
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function! s:NM_cmd_show_mksyntax()
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let info = b:nm_raw_info
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let cnt = 0
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for msg in info['msgs']
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let cnt = cnt + 1
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let start = msg['start']
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let hdr_start = msg['hdr_start']
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let body_start = msg['body_start']
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let end = msg['end']
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exec printf('syntax region nmShowMsg%dDesc start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgDesc', cnt, start, start+1)
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exec printf('syntax region nmShowMsg%dHead start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgHead', cnt, hdr_start, body_start)
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exec printf('syntax region nmShowMsg%dBody start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgBody', cnt, body_start, end)
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endfor
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endfunction
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function! NM_cmd_show_foldtext()
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let foldtext = b:nm_raw_info['foldtext']
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return foldtext[v:foldstart]
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endfunction
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" --- notmuch helper functions {{{1
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function! s:NM_newBuffer(ft, content)
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enew
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setlocal buftype=nofile readonly modifiable
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silent put=a:content
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keepjumps 0d
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setlocal nomodifiable
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execute printf('set filetype=notmuch-%s', a:ft)
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execute printf('set syntax=notmuch-%s', a:ft)
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endfunction
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function! s:NM_run(args)
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let cmd = g:notmuch_cmd . ' ' . join(a:args) . '< /dev/null'
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let out = system(cmd)
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if v:shell_error
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echohl Error
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echo substitute(out, '\n*$', '', '')
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echohl None
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return ''
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else
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return out
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endif
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endfunction
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" --- process and set the defaults {{{1
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function! NM_set_defaults(force)
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for [key, dflt] in items(s:notmuch_defaults)
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let cmd = ''
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if !a:force && exists(key) && type(dflt) == type(eval(key))
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continue
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elseif type(dflt) == type(0)
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let cmd = printf('let %s = %d', key, dflt)
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elseif type(dflt) == type('')
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let cmd = printf('let %s = ''%s''', key, dflt)
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"elseif type(dflt) == type([])
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" let cmd = printf('let %s = %s', key, string(dflt))
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else
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echoe printf('E: Unknown type in NM_set_defaults(%d) using [%s,%s]',
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\ a:force, key, string(dflt))
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continue
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endif
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exec cmd
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endfor
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endfunction
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call NM_set_defaults(0)
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" for some reason NM_set_defaults() didn't work for arrays...
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if !exists('g:notmuch_show_headers')
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let g:notmuch_show_headers = s:notmuch_show_headers_defaults
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endif
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" --- assign keymaps {{{1
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function! s:NM_set_map(maps)
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for [key, code] in items(a:maps)
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exec printf('nnoremap <buffer> %s %s', key, code)
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endfor
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endfunction
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" --- command handler {{{1
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function! NotMuch(args)
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if !strlen(a:args)
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call s:NM_cmd_search(['tag:inbox'])
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return
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endif
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echo "blarg!"
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let words = split(a:args)
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" TODO: handle commands passed as arguments
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endfunction
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function! CompleteNotMuch(arg_lead, cmd_line, cursor_pos)
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return []
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endfunction
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" --- glue {{{1
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command! -nargs=* -complete=customlist,CompleteNotMuch NotMuch call NotMuch(<q-args>)
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cabbrev notmuch <c-r>=(getcmdtype()==':' && getcmdpos()==1 ? 'NotMuch' : 'notmuch')<CR>
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" --- hacks, only for development :) {{{1
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nnoremap ,nmr :source ~/.vim/plugin/notmuch.vim<CR>:call NotMuch('')<CR>
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" vim: set ft=vim ts=8 sw=8 et foldmethod=marker :
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