mirror of
https://git.notmuchmail.org/git/notmuch
synced 2024-11-26 12:55:18 +01:00
376 lines
15 KiB
VimL
376 lines
15 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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" --- defaults
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if !exists('g:notmuch_cmd')
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let g:notmuch_cmd = 'notmuch'
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endif
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if !exists('g:notmuch_search_reverse')
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let g:notmuch_search_reverse = 1
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endif
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" --- used to match output of notmuch
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let s:notmuch_show_message_begin_regexp = '^ message{'
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let s:notmuch_show_message_end_regexp = '^ message}'
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let s:notmuch_show_header_begin_regexp = '^ header{'
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let s:notmuch_show_header_end_regexp = '^ header}'
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let s:notmuch_show_body_begin_regexp = '^ body{'
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let s:notmuch_show_body_end_regexp = '^ body}'
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let s:notmuch_show_attachment_begin_regexp = '^ attachment{'
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let s:notmuch_show_attachment_end_regexp = '^ attachment}'
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let s:notmuch_show_part_begin_regexp = '^ part{'
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let s:notmuch_show_part_end_regexp = '^ part}'
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let s:notmuch_show_marker_regexp = '^ \\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$'
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let s:notmuch_show_message_parse_regexp = '\(id:[^ ]*\) depth:\([0-9]*\) filename:\(.*\)$'
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let s:notmuch_show_tags_regexp = '(\([^)]*\))$'
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let s:notmuch_show_signature_regexp = '^\(-- \?\|_\+\)$'
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let s:notmuch_show_signature_lines_max = 12
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let s:notmuch_show_citation_regexp = '^\s*>'
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let s:notmuch_show_headers = [ 'Subject', 'From' ]
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let s:notmuch_show_fold_signatures = 1
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let s:notmuch_show_fold_citations = 1
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" --- implement search screen
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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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nnoremap <buffer> <Enter> :call <SID>NM_search_display()<CR>
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nnoremap <buffer> s :call <SID>NM_cmd_search(split(input('NotMuch Search:')))<CR>
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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
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function! s:NM_cmd_show(words)
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let 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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call s:NM_cmd_show_mkfolds()
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call s:NM_cmd_show_mksyntax()
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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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exec printf("nnoremap <buffer> q :b %d<CR>", bufnr)
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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, s: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, s: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, s: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, s:notmuch_show_citation_regexp) == -1
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let outlnum = len(info['disp']) -1
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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) > s: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, s: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, s: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, s: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(s: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, s: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, s: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, s: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, s: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, s: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' && s:notmuch_show_fold_signatures)
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\ || (afold[0] == 'cit' && s: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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" --- helper functions
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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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" --- command handler
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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
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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 :)
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nnoremap ,nmr :source ~/.vim/plugin/notmuch.vim<CR>:call NotMuch('')<CR>
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