git.notmuchmail.org Git - notmuch/blob - vim/plugin/notmuch.vim

   1 " notmuch.vim plugin --- run notmuch within vim
   2 "
   3 " Copyright © Carl Worth
   4 "
   5 " This file is part of Notmuch.
   6 "
   7 " Notmuch is free software: you can redistribute it and/or modify it
   8 " under the terms of the GNU General Public License as published by
   9 " the Free Software Foundation, either version 3 of the License, or
  10 " (at your option) any later version.
  11 "
  12 " Notmuch is distributed in the hope that it will be useful, but
  13 " WITHOUT ANY WARRANTY; without even the implied warranty of
  14 " MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15 " General Public License for more details.
  16 "
  17 " You should have received a copy of the GNU General Public License
  18 " along with Notmuch.  If not, see <http://www.gnu.org/licenses/>.
  19 "
  20 " Authors: Bart Trojanowski <bart@jukie.net>
  21
  22 " --- configuration defaults {{{1
  23
  24 let s:notmuch_defaults = {
  25         \ 'g:notmuch_cmd':                           'notmuch'                    ,
  26         \
  27         \ 'g:notmuch_search_newest_first':           1                            ,
  28         \ 'g:notmuch_search_from_column_width':      20                           ,
  29         \
  30         \ 'g:notmuch_show_fold_signatures':          1                            ,
  31         \ 'g:notmuch_show_fold_citations':           1                            ,
  32         \ 'g:notmuch_show_fold_bodies':              0                            ,
  33         \ 'g:notmuch_show_fold_headers':             1                            ,
  34         \
  35         \ 'g:notmuch_show_message_begin_regexp':     '^\fmessage{'                ,
  36         \ 'g:notmuch_show_message_end_regexp':       '^\fmessage}'                ,
  37         \ 'g:notmuch_show_header_begin_regexp':      '^\fheader{'                 ,
  38         \ 'g:notmuch_show_header_end_regexp':        '^\fheader}'                 ,
  39         \ 'g:notmuch_show_body_begin_regexp':        '^\fbody{'                   ,
  40         \ 'g:notmuch_show_body_end_regexp':          '^\fbody}'                   ,
  41         \ 'g:notmuch_show_attachment_begin_regexp':  '^\fattachment{'             ,
  42         \ 'g:notmuch_show_attachment_end_regexp':    '^\fattachment}'             ,
  43         \ 'g:notmuch_show_part_begin_regexp':        '^\fpart{'                   ,
  44         \ 'g:notmuch_show_part_end_regexp':          '^\fpart}'                   ,
  45         \ 'g:notmuch_show_marker_regexp':            '^\f\\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$',
  46         \
  47         \ 'g:notmuch_show_message_parse_regexp':     '\(id:[^ ]*\) depth:\([0-9]*\) filename:\(.*\)$',
  48         \ 'g:notmuch_show_tags_regexp':              '(\([^)]*\))$'               ,
  49         \
  50         \ 'g:notmuch_show_signature_regexp':         '^\(-- \?\|_\+\)$'           ,
  51         \ 'g:notmuch_show_signature_lines_max':      12                           ,
  52         \
  53         \ 'g:notmuch_show_citation_regexp':          '^\s*>'                      ,
  54         \ }
  55
  56 " defaults for g:notmuch_initial_search_words
  57 " override with: let g:notmuch_initial_search_words = [ ... ]
  58 let s:notmuch_initial_search_words_defaults = [
  59         \ 'tag:inbox and tag:unread',
  60         \ ]
  61
  62 " defaults for g:notmuch_show_headers
  63 " override with: let g:notmuch_show_headers = [ ... ]
  64 let s:notmuch_show_headers_defaults = [
  65         \ 'Subject',
  66         \ 'To',
  67         \ 'Cc',
  68         \ 'Bcc',
  69         \ 'Date',
  70         \ ]
  71
  72 " defaults for g:notmuch_folders
  73 " override with: let g:notmuch_folders = [ ... ]
  74 let s:notmuch_folders_defaults = [
  75         \ [ 'new',    'tag:inbox and tag:unread' ],
  76         \ [ 'inbox',  'tag:inbox'                ],
  77         \ [ 'unread', 'tag:unread'               ],
  78         \ ]
  79
  80 " --- keyboard mapping definitions {{{1
  81
  82 " --- --- bindings for folders mode {{{2
  83
  84 let g:notmuch_folders_maps = {
  85         \ 's':          ':call <SID>NM_search_prompt()<CR>',
  86         \ 'q':          ':call <SID>NM_kill_this_buffer()<CR>',
  87         \ '=':          ':call <SID>NM_folders_refresh_view()<CR>',
  88         \ '<Enter>':    ':call <SID>NM_folders_show_search()<CR>',
  89         \ }
  90
  91 " --- --- bindings for search screen {{{2
  92 let g:notmuch_search_maps = {
  93         \ '<Enter>':    ':call <SID>NM_search_show_thread()<CR>',
  94         \ '<C-]>':      ':call <SID>NM_search_expand(''<cword>'')<CR>',
  95         \ 'a':          ':call <SID>NM_search_archive_thread()<CR>',
  96         \ 'f':          ':call <SID>NM_search_filter()<CR>',
  97         \ 'm':          ':call <SID>NM_new_mail()<CR>',
  98         \ 'o':          ':call <SID>NM_search_toggle_order()<CR>',
  99         \ 'r':          ':call <SID>NM_search_reply_to_thread()<CR>',
 100         \ 's':          ':call <SID>NM_search_prompt()<CR>',
 101         \ 'S':          ':call <SID>NM_search_edit()<CR>',
 102         \ 't':          ':call <SID>NM_search_filter_by_tag()<CR>',
 103         \ 'q':          ':call <SID>NM_kill_this_buffer()<CR>',
 104         \ '+':          ':call <SID>NM_search_add_tags([])<CR>',
 105         \ '-':          ':call <SID>NM_search_remove_tags([])<CR>',
 106         \ '=':          ':call <SID>NM_search_refresh_view()<CR>',
 107         \ '?':          ':echo <SID>NM_search_thread_id()<CR>',
 108         \ }
 109
 110 " --- --- bindings for show screen {{{2
 111 let g:notmuch_show_maps = {
 112         \ '<C-P>':      ':call <SID>NM_show_previous(1)<CR>',
 113         \ '<C-N>':      ':call <SID>NM_show_next(1)<CR>',
 114         \ '<C-]>':      ':call <SID>NM_search_expand(''<cword>'')<CR>',
 115         \ 'q':          ':call <SID>NM_kill_this_buffer()<CR>',
 116         \
 117         \ 'b':          ':call <SID>NM_show_fold_toggle(''b'', ''bdy'', !g:notmuch_show_fold_bodies)<CR>',
 118         \ 'c':          ':call <SID>NM_show_fold_toggle(''c'', ''cit'', !g:notmuch_show_fold_citations)<CR>',
 119         \ 'h':          ':call <SID>NM_show_fold_toggle(''h'', ''hdr'', !g:notmuch_show_fold_headers)<CR>',
 120         \ 's':          ':call <SID>NM_show_fold_toggle(''s'', ''sig'', !g:notmuch_show_fold_signatures)<CR>',
 121         \
 122         \ 'a':          ':call <SID>NM_show_archive_thread()<CR>',
 123         \ 'A':          ':call <SID>NM_show_mark_read_then_archive_thread()<CR>',
 124         \ 'N':          ':call <SID>NM_show_mark_read_then_next_open_message()<CR>',
 125         \ 'v':          ':call <SID>NM_show_view_all_mime_parts()<CR>',
 126         \ '+':          ':call <SID>NM_show_add_tag()<CR>',
 127         \ '-':          ':call <SID>NM_show_remove_tag()<CR>',
 128         \ '<Space>':    ':call <SID>NM_show_advance_marking_read_and_archiving()<CR>',
 129         \ '\|':         ':call <SID>NM_show_pipe_message()<CR>',
 130         \
 131         \ 'r':          ':call <SID>NM_show_reply()<CR>',
 132         \ 'm':          ':call <SID>NM_new_mail()<CR>',
 133         \ '?':          ':echo <SID>NM_show_thread_id() . '' '' . <SID>NM_show_message_id()<CR>',
 134         \ }
 135
 136
 137 " --- implement folders screen {{{1
 138
 139 function! s:NM_cmd_folders(words)
 140         if len(a:words)
 141                 echoe 'Not exapecting any arguments for folders command.'
 142         endif
 143         let cmd = ['count']
 144         let disp = []
 145         let searches = []
 146         for entry in g:notmuch_folders
 147                 let [ name, search ] = entry
 148                 let data = s:NM_run(cmd + [search])
 149                 let cnt = matchlist(data, '\(\d\+\)')[1]
 150                 call add(disp, printf('%9d %-20s (%s)', cnt, name, search))
 151                 call add(searches, search)
 152         endfor
 153
 154         call <SID>NM_newBuffer('folders', join(disp, "\n"))
 155         let b:nm_searches = searches
 156         let b:nm_timestamp = reltime()
 157
 158         call <SID>NM_cmd_folders_mksyntax()
 159         call <SID>NM_set_map(g:notmuch_folders_maps)
 160         setlocal cursorline
 161         setlocal nowrap
 162 endfunction
 163
 164 function! s:NM_cmd_folders_mksyntax()
 165 endfunction
 166
 167 " --- --- folders screen action functions {{{2
 168
 169 function! s:NM_folders_refresh_view()
 170         let lno = line('.')
 171         setlocal bufhidden=delete
 172         call s:NM_cmd_folders([])
 173         exec printf('norm %dG', lno)
 174 endfunction
 175
 176 function! s:NM_folders_show_search()
 177         let line = line('.')
 178         let search = b:nm_searches[line-1]
 179
 180         let prev_bufnr = bufnr('%')
 181         setlocal bufhidden=hide
 182         call <SID>NM_cmd_search([search])
 183         setlocal bufhidden=delete
 184         let b:nm_prev_bufnr = prev_bufnr
 185 endfunction
 186
 187
 188 " --- implement search screen {{{1
 189
 190 function! s:NM_cmd_search(words)
 191         let cmd = ['search']
 192         if g:notmuch_search_newest_first
 193                 let cmd = cmd + ['--sort=newest-first']
 194         else
 195                 let cmd = cmd + ['--sort=oldest-first']
 196         endif
 197         let data = s:NM_run(cmd + a:words)
 198         let lines = split(data, "\n")
 199         let disp = copy(lines)
 200         call map(disp, 's:NM_cmd_search_fmtline(v:val)')
 201
 202         call <SID>NM_newBuffer('search', join(disp, "\n"))
 203         let b:nm_raw_lines = lines
 204         let b:nm_search_words = a:words
 205
 206         call <SID>NM_cmd_search_mksyntax()
 207         call <SID>NM_set_map(g:notmuch_search_maps)
 208         setlocal cursorline
 209         setlocal nowrap
 210 endfunction
 211 function! s:NM_cmd_search_fmtline(line)
 212         let m = matchlist(a:line, '^\(thread:\S\+\)\s\([^]]\+\]\) \([^;]\+\); \(.*\) (\([^(]*\))$')
 213         if !len(m)
 214                 return 'ERROR PARSING: ' . a:line
 215         endif
 216         let max = g:notmuch_search_from_column_width
 217         let from = m[3]
 218         if strlen(from) >= max
 219                 let from = substitute(m[3][0:max-4], '[^A-Za-z1-9_]*$', '', '') . '...'
 220         endif
 221         return printf('%s %-20s | %s (%s)', m[2], from, m[4], m[5])
 222 endfunction
 223 function! s:NM_cmd_search_mksyntax()
 224         syntax clear nmSearchFrom
 225         exec printf('syntax match nmSearchFrom /\(\] \)\@<=.\{%d\}/ oneline contained', g:notmuch_search_from_column_width)
 226 endfunction
 227
 228 " --- --- search screen action functions {{{2
 229
 230 function! s:NM_search_show_thread()
 231         let id = <SID>NM_search_thread_id()
 232         if id != ''
 233                 call <SID>NM_cmd_show([id])
 234         endif
 235 endfunction
 236
 237 function! s:NM_search_prompt()
 238         " TODO: input() can support completion
 239         let text = input('NotMuch Search: ')
 240         if strlen(text)
 241                 let tags = split(text)
 242         else
 243                 let tags = s:notmuch_initial_search_words_defaults
 244         endif
 245         if b:nm_type == 'search'
 246                 " TODO: we intend to replace the current buffer,
 247                 "       ... maybe we could just clear it
 248                 let prev_bufnr = b:nm_prev_bufnr
 249                 setlocal bufhidden=delete
 250         else
 251                 let prev_bufnr = bufnr('%')
 252                 setlocal bufhidden=hide
 253         endif
 254         call <SID>NM_cmd_search(tags)
 255         setlocal bufhidden=delete
 256         let b:nm_prev_bufnr = prev_bufnr
 257 endfunction
 258
 259 function! s:NM_search_edit()
 260         " TODO: input() can support completion
 261         let text = input('NotMuch Search: ', join(b:nm_search_words, ' '))
 262         if strlen(text)
 263                 call <SID>NM_cmd_search(split(text))
 264         endif
 265 endfunction
 266
 267 function! s:NM_search_archive_thread()
 268         call <SID>NM_add_remove_tags_on_screen('-', ['inbox'])
 269         call <SID>NM_add_remove_tags('-', ['inbox'])
 270         norm j
 271 endfunction
 272
 273 function! s:NM_search_filter()
 274         call <SID>NM_search_filter_helper('Filter: ', '')
 275 endfunction
 276
 277 function! s:NM_search_filter_by_tag()
 278         call <SID>NM_search_filter_helper('Filter Tag(s): ', 'tag:')
 279 endfunction
 280
 281 function! s:NM_search_filter_helper(prompt, prefix)
 282         " TODO: input() can support completion
 283         let text = input(a:prompt)
 284         if !strlen(text)
 285                 return
 286         endif
 287
 288         let tags = split(text)
 289         map(tags, 'and a:prefix . v:val')
 290         let tags = b:nm_search_words + tags
 291         echo tags
 292
 293         let prev_bufnr = bufnr('%')
 294         setlocal bufhidden=hide
 295         call <SID>NM_cmd_search(tags)
 296         setlocal bufhidden=delete
 297         let b:nm_prev_bufnr = prev_bufnr
 298 endfunction
 299
 300 function! s:NM_search_toggle_order()
 301         let g:notmuch_search_newest_first = !g:notmuch_search_newest_first
 302         " FIXME: maybe this would be better done w/o reading re-reading the lines
 303         "         reversing the b:nm_raw_lines and the buffer lines would be better
 304         call <SID>NM_search_refresh_view()
 305 endfunction
 306
 307 function! s:NM_search_reply_to_thread()
 308         echo 'not implemented'
 309 endfunction
 310
 311 function! s:NM_search_add_tags(tags)
 312         call <SID>NM_search_add_remove_tags('Add Tag(s): ', '+', a:tags)
 313 endfunction
 314
 315 function! s:NM_search_remove_tags(tags)
 316         call <SID>NM_search_add_remove_tags('Remove Tag(s): ', '-', a:tags)
 317 endfunction
 318
 319 function! s:NM_search_refresh_view()
 320         let lno = line('.')
 321         setlocal bufhidden=delete
 322         call <SID>NM_cmd_search(b:nm_search_words)
 323         " FIXME: should find the line of the thread we were on if possible
 324         exec printf('norm %dG', lno)
 325 endfunction
 326
 327 " --- --- search screen helper functions {{{2
 328
 329 function! s:NM_search_thread_id()
 330         if !exists('b:nm_raw_lines')
 331                 echoe 'no b:nm_raw_lines'
 332                 return ''
 333         else
 334                 let line = line('.')
 335                 let info = b:nm_raw_lines[line-1]
 336                 let what = split(info, '\s\+')[0]
 337                 return what
 338         endif
 339 endfunction
 340
 341 function! s:NM_search_add_remove_tags(prompt, prefix, intags)
 342         if type(a:intags) != type([]) || len(a:intags) == 0
 343                 " TODO: input() can support completion
 344                 let text = input(a:prompt)
 345                 if !strlen(text)
 346                         return
 347                 endif
 348                 let tags = split(text, ' ')
 349         else
 350                 let tags = a:intags
 351         endif
 352         call <SID>NM_add_remove_tags(a:prefix, tags)
 353         call <SID>NM_add_remove_tags_on_screen(a:prefix, tags)
 354 endfunction
 355
 356 " --- implement show screen {{{1
 357
 358 function! s:NM_cmd_show(words)
 359         let prev_bufnr = bufnr('%')
 360         let data = s:NM_run(['show'] + a:words)
 361         let lines = split(data, "\n")
 362
 363         let info = s:NM_cmd_show_parse(lines)
 364
 365         setlocal bufhidden=hide
 366         call <SID>NM_newBuffer('show', join(info['disp'], "\n"))
 367         setlocal bufhidden=delete
 368         let b:nm_words = a:words
 369         let b:nm_raw_info = info
 370         let b:nm_prev_bufnr = prev_bufnr
 371
 372         call <SID>NM_cmd_show_mkfolds()
 373         call <SID>NM_cmd_show_mksyntax()
 374         call <SID>NM_set_map(g:notmuch_show_maps)
 375         setlocal foldtext=NM_cmd_show_foldtext()
 376         setlocal fillchars=
 377         setlocal foldcolumn=6
 378
 379 endfunction
 380
 381 function! s:NM_show_previous(can_change_thread)
 382         let info = b:nm_raw_info
 383         let lnum = line('.')
 384         for msg in reverse(copy(info['msgs']))
 385                 if lnum <= msg['start']
 386                         continue
 387                 endif
 388
 389                 exec printf('norm %dG', msg['start'])
 390                 " TODO: try to fit the message on screen
 391                 norm zz
 392                 return
 393         endfor
 394         if !a:can_change_thread
 395                 return
 396         endif
 397         call <SID>NM_kill_this_buffer()
 398         if line('.') != line('0')
 399                 norm k
 400                 call <SID>NM_search_show_thread()
 401                 norm G
 402                 call <SID>NM_show_previous(0)
 403         else
 404                 echo 'No more messages.'
 405         endif
 406 endfunction
 407
 408 function! s:NM_show_next(can_change_thread)
 409         let info = b:nm_raw_info
 410         let lnum = line('.')
 411         for msg in info['msgs']
 412                 if lnum >= msg['start']
 413                         continue
 414                 endif
 415
 416                 exec printf('norm %dG', msg['start'])
 417                 " TODO: try to fit the message on screen
 418                 norm zz
 419                 return
 420         endfor
 421         if !a:can_change_thread
 422                 return
 423         endif
 424         call <SID>NM_kill_this_buffer()
 425         if line('.') != line('$')
 426                 norm j
 427                 call <SID>NM_search_show_thread()
 428         else
 429                 echo 'No more messages.'
 430         endif
 431 endfunction
 432
 433 function! s:NM_show_archive_thread()
 434         echo 'not implemented'
 435 endfunction
 436
 437 function! s:NM_show_mark_read_then_archive_thread()
 438         echo 'not implemented'
 439 endfunction
 440
 441 function! s:NM_show_next_message()
 442         echo 'not implemented'
 443 endfunction
 444
 445 function! s:NM_show_mark_read_then_next_open_message()
 446         echo 'not implemented'
 447 endfunction
 448
 449 function! s:NM_show_previous_message()
 450         echo 'not implemented'
 451 endfunction
 452
 453 function! s:NM_show_reply()
 454         echo 'not implemented'
 455 endfunction
 456
 457 function! s:NM_show_view_all_mime_parts()
 458         echo 'not implemented'
 459 endfunction
 460
 461 function! s:NM_show_view_raw_message()
 462         echo 'not implemented'
 463 endfunction
 464
 465 function! s:NM_show_add_tag()
 466         echo 'not implemented'
 467 endfunction
 468
 469 function! s:NM_show_remove_tag()
 470         echo 'not implemented'
 471 endfunction
 472
 473 function! s:NM_show_advance_marking_read_and_archiving()
 474         echo 'not implemented'
 475 endfunction
 476
 477 function! s:NM_show_pipe_message()
 478         echo 'not implemented'
 479 endfunction
 480
 481 " --- --- show screen helper functions {{{2
 482
 483 function! s:NM_show_thread_id()
 484         if !exists('b:nm_words')
 485                 echoe 'no b:nm_words'
 486                 return ''
 487         endif
 488         return b:nm_words[0]
 489 endfunction
 490
 491 function! s:NM_show_message_id()
 492         if !exists('b:nm_raw_info')
 493                 echoe 'no b:nm_raw_info'
 494                 return ''
 495         endif
 496         let info = b:nm_raw_info
 497         let lnum = line('.')
 498         for msg in info['msgs']
 499                 if lnum < msg['start']
 500                         continue
 501                 endif
 502
 503                 return msg['id']
 504         endfor
 505         return ''
 506 endfunction
 507
 508 function! s:NM_show_fold_toggle(key, type, fold)
 509         let info = b:nm_raw_info
 510         let act = 'open'
 511         if a:fold
 512                 let act = 'close'
 513         endif
 514         for fld in info['folds']
 515                 if fld[0] == a:type
 516                         exec printf('%dfold%s', fld[1], act)
 517                 endif
 518         endfor
 519         exec printf('nnoremap <buffer> %s :call <SID>NM_show_fold_toggle(''%s'', ''%s'', %d)<CR>', a:key, a:key, a:type, !a:fold)
 520 endfunction
 521
 522
 523 " s:NM_cmd_show_parse returns the following dictionary:
 524 "    'disp':     lines to display
 525 "    'msgs':     message info dicts { start, end, id, depth, filename, descr, header }
 526 "    'folds':    fold info arrays [ type, start, end ]
 527 "    'foldtext': fold text indexed by start line
 528 function! s:NM_cmd_show_parse(inlines)
 529         let info = { 'disp': [],
 530                    \ 'msgs': [],
 531                    \ 'folds': [],
 532                    \ 'foldtext': {} }
 533         let msg = {}
 534         let hdr = {}
 535
 536         let in_message = 0
 537         let in_header = 0
 538         let in_body = 0
 539         let in_part = ''
 540
 541         let body_start = -1
 542         let part_start = -1
 543
 544         let mode_type = ''
 545         let mode_start = -1
 546
 547         let inlnum = 0
 548         for line in a:inlines
 549                 let inlnum = inlnum + 1
 550                 let foldinfo = []
 551
 552                 if strlen(in_part)
 553                         let part_end = 0
 554
 555                         if match(line, g:notmuch_show_part_end_regexp) != -1
 556                                 let part_end = len(info['disp'])
 557                         else
 558                                 call add(info['disp'], line)
 559                         endif
 560
 561                         if in_part == 'text/plain'
 562                                 if !part_end && mode_type == ''
 563                                         if match(line, g:notmuch_show_signature_regexp) != -1
 564                                                 let mode_type = 'sig'
 565                                                 let mode_start = len(info['disp'])
 566                                         elseif match(line, g:notmuch_show_citation_regexp) != -1
 567                                                 let mode_type = 'cit'
 568                                                 let mode_start = len(info['disp'])
 569                                         endif
 570                                 elseif mode_type == 'cit'
 571                                         if part_end || match(line, g:notmuch_show_citation_regexp) == -1
 572                                                 let outlnum = len(info['disp'])
 573                                                 let foldinfo = [ mode_type, mode_start, outlnum-1,
 574                                                                \ printf('[ %d-line citation.  Press "c" to show. ]', outlnum - mode_start) ]
 575                                                 let mode_type = ''
 576                                         endif
 577                                 elseif mode_type == 'sig'
 578                                         let outlnum = len(info['disp'])
 579                                         if (outlnum - mode_start) > g:notmuch_show_signature_lines_max
 580                                                 let mode_type = ''
 581                                         elseif part_end
 582                                                 let foldinfo = [ mode_type, mode_start, outlnum-1,
 583                                                                \ printf('[ %d-line signature.  Press "s" to show. ]', outlnum - mode_start) ]
 584                                                 let mode_type = ''
 585                                         endif
 586                                 endif
 587                         endif
 588
 589                         if part_end
 590                                 " FIXME: this is a hack for handling two folds being added for one line
 591                                 "         we should handle addinga fold in a function
 592                                 if len(foldinfo) && foldinfo[1] < foldinfo[2]
 593                                         call add(info['folds'], foldinfo[0:2])
 594                                         let info['foldtext'][foldinfo[1]] = foldinfo[3]
 595                                 endif
 596
 597                                 let foldinfo = [ 'text', part_start, part_end,
 598                                                \ printf('[ %d-line %s.  Press "p" to show. ]', part_end - part_start, in_part) ]
 599                                 let in_part = ''
 600                                 call add(info['disp'], '')
 601                         endif
 602
 603                 elseif in_body
 604                         if !has_key(msg,'body_start')
 605                                 let msg['body_start'] = len(info['disp']) + 1
 606                         endif
 607                         if match(line, g:notmuch_show_body_end_regexp) != -1
 608                                 let body_end = len(info['disp'])
 609                                 let foldinfo = [ 'bdy', body_start, body_end,
 610                                                \ printf('[ BODY %d - %d lines ]', len(info['msgs']), body_end - body_start) ]
 611
 612                                 let in_body = 0
 613
 614                         elseif match(line, g:notmuch_show_part_begin_regexp) != -1
 615                                 let m = matchlist(line, 'ID: \(\d\+\), Content-type: \(\S\+\)')
 616                                 let in_part = 'unknown'
 617                                 if len(m)
 618                                         let in_part = m[2]
 619                                 endif
 620                                 call add(info['disp'],
 621                                          \ printf('--- %s ---', in_part))
 622                                 let part_start = len(info['disp']) + 1
 623                         endif
 624
 625                 elseif in_header
 626                         if in_header == 1
 627                                 let msg['descr'] = line
 628                                 call add(info['disp'], line)
 629                                 let in_header = 2
 630                                 let msg['hdr_start'] = len(info['disp']) + 1
 631
 632                         else
 633                                 if match(line, g:notmuch_show_header_end_regexp) != -1
 634                                         let hdr_start = msg['hdr_start']+1
 635                                         let hdr_end = len(info['disp'])
 636                                         let foldinfo = [ 'hdr', hdr_start, hdr_end,
 637                                                \ printf('[ %d-line headers.  Press "h" to show. ]', hdr_end + 1 - hdr_start) ]
 638                                         let msg['header'] = hdr
 639                                         let in_header = 0
 640                                         let hdr = {}
 641                                 else
 642                                         let m = matchlist(line, '^\(\w\+\):\s*\(.*\)$')
 643                                         if len(m)
 644                                                 let hdr[m[1]] = m[2]
 645                                                 if match(g:notmuch_show_headers, m[1]) != -1
 646                                                         call add(info['disp'], line)
 647                                                 endif
 648                                         endif
 649                                 endif
 650                         endif
 651
 652                 elseif in_message
 653                         if match(line, g:notmuch_show_message_end_regexp) != -1
 654                                 let msg['end'] = len(info['disp'])
 655                                 call add(info['disp'], '')
 656
 657                                 let foldinfo = [ 'msg', msg['start'], msg['end'],
 658                                                \ printf('[ MSG %d - %s ]', len(info['msgs']), msg['descr']) ]
 659
 660                                 call add(info['msgs'], msg)
 661                                 let msg = {}
 662                                 let in_message = 0
 663                                 let in_header = 0
 664                                 let in_body = 0
 665                                 let in_part = ''
 666
 667                         elseif match(line, g:notmuch_show_header_begin_regexp) != -1
 668                                 let in_header = 1
 669                                 continue
 670
 671                         elseif match(line, g:notmuch_show_body_begin_regexp) != -1
 672                                 let body_start = len(info['disp']) + 1
 673                                 let in_body = 1
 674                                 continue
 675                         endif
 676
 677                 else
 678                         if match(line, g:notmuch_show_message_begin_regexp) != -1
 679                                 let msg['start'] = len(info['disp']) + 1
 680
 681                                 let m = matchlist(line, g:notmuch_show_message_parse_regexp)
 682                                 if len(m)
 683                                         let msg['id'] = m[1]
 684                                         let msg['depth'] = m[2]
 685                                         let msg['filename'] = m[3]
 686                                 endif
 687
 688                                 let in_message = 1
 689                         endif
 690                 endif
 691
 692                 if len(foldinfo) && foldinfo[1] < foldinfo[2]
 693                         call add(info['folds'], foldinfo[0:2])
 694                         let info['foldtext'][foldinfo[1]] = foldinfo[3]
 695                 endif
 696         endfor
 697         return info
 698 endfunction
 699
 700 function! s:NM_cmd_show_mkfolds()
 701         let info = b:nm_raw_info
 702
 703         for afold in info['folds']
 704                 exec printf('%d,%dfold', afold[1], afold[2])
 705                 if (afold[0] == 'sig' && g:notmuch_show_fold_signatures)
 706                  \ || (afold[0] == 'cit' && g:notmuch_show_fold_citations)
 707                  \ || (afold[0] == 'bdy' && g:notmuch_show_fold_bodies)
 708                  \ || (afold[0] == 'hdr' && g:notmuch_show_fold_headers)
 709                         exec printf('%dfoldclose', afold[1])
 710                 else
 711                         exec printf('%dfoldopen', afold[1])
 712                 endif
 713         endfor
 714 endfunction
 715
 716 function! s:NM_cmd_show_mksyntax()
 717         let info = b:nm_raw_info
 718         let cnt = 0
 719         for msg in info['msgs']
 720                 let cnt = cnt + 1
 721                 let start = msg['start']
 722                 let hdr_start = msg['hdr_start']
 723                 let body_start = msg['body_start']
 724                 let end = msg['end']
 725                 exec printf('syntax region nmShowMsg%dDesc start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgDesc', cnt, start, start+1)
 726                 exec printf('syntax region nmShowMsg%dHead start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgHead', cnt, hdr_start, body_start)
 727                 exec printf('syntax region nmShowMsg%dBody start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgBody', cnt, body_start, end)
 728         endfor
 729 endfunction
 730
 731 function! NM_cmd_show_foldtext()
 732         let foldtext = b:nm_raw_info['foldtext']
 733         return foldtext[v:foldstart]
 734 endfunction
 735
 736
 737 " --- notmuch helper functions {{{1
 738
 739 function! s:NM_newBuffer(type, content)
 740         enew
 741         setlocal buftype=nofile readonly modifiable
 742         silent put=a:content
 743         keepjumps 0d
 744         setlocal nomodifiable
 745         execute printf('set filetype=notmuch-%s', a:type)
 746         execute printf('set syntax=notmuch-%s', a:type)
 747         let b:nm_type = a:type
 748 endfunction
 749
 750 function! s:NM_run(args)
 751         let cmd = g:notmuch_cmd . ' ' . join(a:args) . '< /dev/null'
 752
 753         let start = reltime()
 754         let out = system(cmd)
 755         let err = v:shell_error
 756         let delta = reltime(start)
 757
 758         echo printf('[%s] {%s} %s', reltimestr(delta), string(err), string(cmd))
 759
 760         if err
 761                 echohl Error
 762                 echo substitute(out, '\n*$', '', '')
 763                 echohl None
 764                 return ''
 765         else
 766                 return out
 767         endif
 768 endfunction
 769
 770 " --- external mail handling helpers {{{1
 771
 772 function! s:NM_new_mail()
 773         echo 'not implemented'
 774 endfunction
 775
 776 " --- other helpers {{{1
 777
 778 function! s:NM_kill_this_buffer()
 779         if exists('b:nm_prev_bufnr')
 780                 setlocal bufhidden=delete
 781                 exec printf(":buffer %d", b:nm_prev_bufnr)
 782         else
 783                 echo "Nothing to kill."
 784         endif
 785 endfunction
 786
 787 function! s:NM_search_expand(arg)
 788         let word = expand(a:arg)
 789         let prev_bufnr = bufnr('%')
 790         setlocal bufhidden=hide
 791         call <SID>NM_cmd_search([word])
 792         setlocal bufhidden=delete
 793         let b:nm_prev_bufnr = prev_bufnr
 794 endfunction
 795
 796 function! s:NM_add_remove_tags(prefix, tags)
 797         let id = <SID>NM_search_thread_id()
 798         if id == ''
 799                 echoe 'Eeek! I couldn''t find the thead id!'
 800         endif
 801         call map(a:tags, 'a:prefix . v:val')
 802         " TODO: handle errors
 803         call <SID>NM_run(['tag'] + a:tags + ['--', id])
 804 endfunction
 805
 806 function! s:NM_add_remove_tags_on_screen(prefix, tags)
 807         let online = ''
 808         setlocal modifiable
 809         if a:prefix == '-'
 810                 for tagname in a:tags
 811                         exec printf('silent %ss/(\([^)]*\)\<%s\>\([^)]*\))$/(\1\2)/', online, tagname)
 812                 endfor
 813         else
 814                 for tagname in a:tags
 815                         exec printf('silent %ss/(\([^)]*\)\([^)]*\))$/(\1 %s)/', online, tagname)
 816                 endfor
 817         endif
 818         setlocal nomodifiable
 819 endfunction
 820
 821 " --- process and set the defaults {{{1
 822
 823 function! NM_set_defaults(force)
 824         for [key, dflt] in items(s:notmuch_defaults)
 825                 let cmd = ''
 826                 if !a:force && exists(key) && type(dflt) == type(eval(key))
 827                         continue
 828                 elseif type(dflt) == type(0)
 829                         let cmd = printf('let %s = %d', key, dflt)
 830                 elseif type(dflt) == type('')
 831                         let cmd = printf('let %s = ''%s''', key, dflt)
 832                 " FIXME: not sure why this didn't work when dflt is an array
 833                 "elseif type(dflt) == type([])
 834                 "        let cmd = printf('let %s = %s', key, string(dflt))
 835                 else
 836                         echoe printf('E: Unknown type in NM_set_defaults(%d) using [%s,%s]',
 837                                                 \ a:force, key, string(dflt))
 838                         continue
 839                 endif
 840                 exec cmd
 841         endfor
 842 endfunction
 843 call NM_set_defaults(0)
 844
 845 " for some reason NM_set_defaults() didn't work for arrays...
 846 if !exists('g:notmuch_show_headers')
 847         let g:notmuch_show_headers = s:notmuch_show_headers_defaults
 848 endif
 849 if !exists('g:notmuch_initial_search_words')
 850         let g:notmuch_initial_search_words = s:notmuch_initial_search_words_defaults
 851 endif
 852 if !exists('g:notmuch_folders')
 853         let g:notmuch_folders = s:notmuch_folders_defaults
 854 endif
 855
 856
 857 " --- assign keymaps {{{1
 858
 859 function! s:NM_set_map(maps)
 860         nmapclear
 861         for [key, code] in items(a:maps)
 862                 exec printf('nnoremap <buffer> %s %s', key, code)
 863         endfor
 864         " --- this is a hack for development :)
 865         nnoremap ,nmr :source ~/.vim/plugin/notmuch.vim<CR>:call NotMuch('')<CR>
 866 endfunction
 867
 868 " --- command handler {{{1
 869
 870 function! NotMuch(args)
 871         let args = a:args
 872         if !strlen(args)
 873                 let args = 'folders'
 874         endif
 875
 876         let words = split(args)
 877         if words[0] == 'folders'
 878                 let words = words[1:]
 879                 call <SID>NM_cmd_folders(words)
 880         elseif words[0] == 'search'
 881                 if len(words) > 1
 882                         let words = words[1:]
 883                 elseif exists('b:nm_search_words')
 884                         let words = b:nm_search_words
 885                 else
 886                         let words = g:notmuch_initial_search_words
 887                 endif
 888                 call <SID>NM_cmd_search(words)
 889
 890         elseif words[0] == 'show'
 891                 echoe 'show is not yet implemented.'
 892         endif
 893 endfunction
 894 function! CompleteNotMuch(arg_lead, cmd_line, cursor_pos)
 895         return []
 896 endfunction
 897
 898
 899 " --- glue {{{1
 900
 901 command! -nargs=* -complete=customlist,CompleteNotMuch NotMuch call NotMuch(<q-args>)
 902 cabbrev  notmuch <c-r>=(getcmdtype()==':' && getcmdpos()==1 ? 'NotMuch' : 'notmuch')<CR>
 903
 904 " vim: set ft=vim ts=8 sw=8 et foldmethod=marker :