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         let prev_bufnr = bufnr('%')
 246         if b:nm_type == 'search'
 247                 " TODO: we intend to replace the current buffer,
 248                 "       ... maybe we could just clear it
 249                 let prev_bufnr = b:nm_prev_bufnr
 250                 setlocal bufhidden=delete
 251         else
 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
 292         let prev_bufnr = bufnr('%')
 293         setlocal bufhidden=hide
 294         call <SID>NM_cmd_search(tags)
 295         setlocal bufhidden=delete
 296         let b:nm_prev_bufnr = prev_bufnr
 297 endfunction
 298
 299 function! s:NM_search_toggle_order()
 300         let g:notmuch_search_newest_first = !g:notmuch_search_newest_first
 301         " FIXME: maybe this would be better done w/o reading re-reading the lines
 302         "         reversing the b:nm_raw_lines and the buffer lines would be better
 303         call <SID>NM_search_refresh_view()
 304 endfunction
 305
 306 function! s:NM_search_reply_to_thread()
 307         echo 'not implemented'
 308 endfunction
 309
 310 function! s:NM_search_add_tags(tags)
 311         call <SID>NM_search_add_remove_tags('Add Tag(s): ', '+', a:tags)
 312 endfunction
 313
 314 function! s:NM_search_remove_tags(tags)
 315         call <SID>NM_search_add_remove_tags('Remove Tag(s): ', '-', a:tags)
 316 endfunction
 317
 318 function! s:NM_search_refresh_view()
 319         let lno = line('.')
 320         setlocal bufhidden=delete
 321         call <SID>NM_cmd_search(b:nm_search_words)
 322         " FIXME: should find the line of the thread we were on if possible
 323         exec printf('norm %dG', lno)
 324 endfunction
 325
 326 " --- --- search screen helper functions {{{2
 327
 328 function! s:NM_search_thread_id()
 329         if !exists('b:nm_raw_lines')
 330                 echoe 'no b:nm_raw_lines'
 331                 return ''
 332         else
 333                 let line = line('.')
 334                 let info = b:nm_raw_lines[line-1]
 335                 let what = split(info, '\s\+')[0]
 336                 return what
 337         endif
 338 endfunction
 339
 340 function! s:NM_search_add_remove_tags(prompt, prefix, intags)
 341         if type(a:intags) != type([]) || len(a:intags) == 0
 342                 " TODO: input() can support completion
 343                 let text = input(a:prompt)
 344                 if !strlen(text)
 345                         return
 346                 endif
 347                 let tags = split(text, ' ')
 348         else
 349                 let tags = a:intags
 350         endif
 351         call <SID>NM_add_remove_tags(a:prefix, tags)
 352         call <SID>NM_add_remove_tags_on_screen(a:prefix, tags)
 353 endfunction
 354
 355 " --- implement show screen {{{1
 356
 357 function! s:NM_cmd_show(words)
 358         let prev_bufnr = bufnr('%')
 359         let data = s:NM_run(['show'] + a:words)
 360         let lines = split(data, "\n")
 361
 362         let info = s:NM_cmd_show_parse(lines)
 363
 364         setlocal bufhidden=hide
 365         call <SID>NM_newBuffer('show', join(info['disp'], "\n"))
 366         setlocal bufhidden=delete
 367         let b:nm_words = a:words
 368         let b:nm_raw_info = info
 369         let b:nm_prev_bufnr = prev_bufnr
 370
 371         call <SID>NM_cmd_show_mkfolds()
 372         call <SID>NM_cmd_show_mksyntax()
 373         call <SID>NM_set_map(g:notmuch_show_maps)
 374         setlocal foldtext=NM_cmd_show_foldtext()
 375         setlocal fillchars=
 376         setlocal foldcolumn=6
 377
 378 endfunction
 379
 380 function! s:NM_show_previous(can_change_thread)
 381         let info = b:nm_raw_info
 382         let lnum = line('.')
 383         for msg in reverse(copy(info['msgs']))
 384                 if lnum <= msg['start']
 385                         continue
 386                 endif
 387
 388                 exec printf('norm %dG', msg['start'])
 389                 " TODO: try to fit the message on screen
 390                 norm zz
 391                 return
 392         endfor
 393         if !a:can_change_thread
 394                 return
 395         endif
 396         call <SID>NM_kill_this_buffer()
 397         if line('.') != line('0')
 398                 norm k
 399                 call <SID>NM_search_show_thread()
 400                 norm G
 401                 call <SID>NM_show_previous(0)
 402         else
 403                 echo 'No more messages.'
 404         endif
 405 endfunction
 406
 407 function! s:NM_show_next(can_change_thread)
 408         let info = b:nm_raw_info
 409         let lnum = line('.')
 410         for msg in info['msgs']
 411                 if lnum >= msg['start']
 412                         continue
 413                 endif
 414
 415                 exec printf('norm %dG', msg['start'])
 416                 " TODO: try to fit the message on screen
 417                 norm zz
 418                 return
 419         endfor
 420         if !a:can_change_thread
 421                 return
 422         endif
 423         call <SID>NM_kill_this_buffer()
 424         if line('.') != line('$')
 425                 norm j
 426                 call <SID>NM_search_show_thread()
 427         else
 428                 echo 'No more messages.'
 429         endif
 430 endfunction
 431
 432 function! s:NM_show_archive_thread()
 433         echo 'not implemented'
 434 endfunction
 435
 436 function! s:NM_show_mark_read_then_archive_thread()
 437         echo 'not implemented'
 438 endfunction
 439
 440 function! s:NM_show_next_message()
 441         echo 'not implemented'
 442 endfunction
 443
 444 function! s:NM_show_mark_read_then_next_open_message()
 445         echo 'not implemented'
 446 endfunction
 447
 448 function! s:NM_show_previous_message()
 449         echo 'not implemented'
 450 endfunction
 451
 452 function! s:NM_show_reply()
 453         echo 'not implemented'
 454 endfunction
 455
 456 function! s:NM_show_view_all_mime_parts()
 457         echo 'not implemented'
 458 endfunction
 459
 460 function! s:NM_show_view_raw_message()
 461         echo 'not implemented'
 462 endfunction
 463
 464 function! s:NM_show_add_tag()
 465         echo 'not implemented'
 466 endfunction
 467
 468 function! s:NM_show_remove_tag()
 469         echo 'not implemented'
 470 endfunction
 471
 472 function! s:NM_show_advance_marking_read_and_archiving()
 473         echo 'not implemented'
 474 endfunction
 475
 476 function! s:NM_show_pipe_message()
 477         echo 'not implemented'
 478 endfunction
 479
 480 " --- --- show screen helper functions {{{2
 481
 482 function! s:NM_show_thread_id()
 483         if !exists('b:nm_words')
 484                 echoe 'no b:nm_words'
 485                 return ''
 486         endif
 487         return b:nm_words[0]
 488 endfunction
 489
 490 function! s:NM_show_message_id()
 491         if !exists('b:nm_raw_info')
 492                 echoe 'no b:nm_raw_info'
 493                 return ''
 494         endif
 495         let info = b:nm_raw_info
 496         let lnum = line('.')
 497         for msg in info['msgs']
 498                 if lnum >= msg['start']
 499                         continue
 500                 endif
 501
 502                 return msg['id']
 503         endfor
 504         return ''
 505 endfunction
 506
 507 function! s:NM_show_fold_toggle(key, type, fold)
 508         let info = b:nm_raw_info
 509         let act = 'open'
 510         if a:fold
 511                 let act = 'close'
 512         endif
 513         for fld in info['folds']
 514                 if fld[0] == a:type
 515                         exec printf('%dfold%s', fld[1], act)
 516                 endif
 517         endfor
 518         exec printf('nnoremap <buffer> %s :call <SID>NM_show_fold_toggle(''%s'', ''%s'', %d)<CR>', a:key, a:key, a:type, !a:fold)
 519 endfunction
 520
 521
 522 " s:NM_cmd_show_parse returns the following dictionary:
 523 "    'disp':     lines to display
 524 "    'msgs':     message info dicts { start, end, id, depth, filename, descr, header }
 525 "    'folds':    fold info arrays [ type, start, end ]
 526 "    'foldtext': fold text indexed by start line
 527 function! s:NM_cmd_show_parse(inlines)
 528         let info = { 'disp': [],
 529                    \ 'msgs': [],
 530                    \ 'folds': [],
 531                    \ 'foldtext': {} }
 532         let msg = {}
 533         let hdr = {}
 534
 535         let in_message = 0
 536         let in_header = 0
 537         let in_body = 0
 538         let in_part = ''
 539
 540         let body_start = -1
 541         let part_start = -1
 542
 543         let mode_type = ''
 544         let mode_start = -1
 545
 546         let inlnum = 0
 547         for line in a:inlines
 548                 let inlnum = inlnum + 1
 549                 let foldinfo = []
 550
 551                 if strlen(in_part)
 552                         let part_end = 0
 553
 554                         if match(line, g:notmuch_show_part_end_regexp) != -1
 555                                 let part_end = len(info['disp'])
 556                         else
 557                                 call add(info['disp'], line)
 558                         endif
 559
 560                         if in_part == 'text/plain'
 561                                 if !part_end && mode_type == ''
 562                                         if match(line, g:notmuch_show_signature_regexp) != -1
 563                                                 let mode_type = 'sig'
 564                                                 let mode_start = len(info['disp'])
 565                                         elseif match(line, g:notmuch_show_citation_regexp) != -1
 566                                                 let mode_type = 'cit'
 567                                                 let mode_start = len(info['disp'])
 568                                         endif
 569                                 elseif mode_type == 'cit'
 570                                         if part_end || match(line, g:notmuch_show_citation_regexp) == -1
 571                                                 let outlnum = len(info['disp'])
 572                                                 let foldinfo = [ mode_type, mode_start, outlnum-1,
 573                                                                \ printf('[ %d-line citation.  Press "c" to show. ]', outlnum - mode_start) ]
 574                                                 let mode_type = ''
 575                                         endif
 576                                 elseif mode_type == 'sig'
 577                                         let outlnum = len(info['disp'])
 578                                         if (outlnum - mode_start) > g:notmuch_show_signature_lines_max
 579                                                 let mode_type = ''
 580                                         elseif part_end
 581                                                 let foldinfo = [ mode_type, mode_start, outlnum-1,
 582                                                                \ printf('[ %d-line signature.  Press "s" to show. ]', outlnum - mode_start) ]
 583                                                 let mode_type = ''
 584                                         endif
 585                                 endif
 586                         endif
 587
 588                         if part_end
 589                                 " FIXME: this is a hack for handling two folds being added for one line
 590                                 "         we should handle addinga fold in a function
 591                                 if len(foldinfo) && foldinfo[1] < foldinfo[2]
 592                                         call add(info['folds'], foldinfo[0:2])
 593                                         let info['foldtext'][foldinfo[1]] = foldinfo[3]
 594                                 endif
 595
 596                                 let foldinfo = [ 'text', part_start, part_end,
 597                                                \ printf('[ %d-line %s.  Press "p" to show. ]', part_end - part_start, in_part) ]
 598                                 let in_part = ''
 599                                 call add(info['disp'], '')
 600                         endif
 601
 602                 elseif in_body
 603                         if !has_key(msg,'body_start')
 604                                 let msg['body_start'] = len(info['disp']) + 1
 605                         endif
 606                         if match(line, g:notmuch_show_body_end_regexp) != -1
 607                                 let body_end = len(info['disp'])
 608                                 let foldinfo = [ 'bdy', body_start, body_end,
 609                                                \ printf('[ BODY %d - %d lines ]', len(info['msgs']), body_end - body_start) ]
 610
 611                                 let in_body = 0
 612
 613                         elseif match(line, g:notmuch_show_part_begin_regexp) != -1
 614                                 let m = matchlist(line, 'ID: \(\d\+\), Content-type: \(\S\+\)')
 615                                 let in_part = 'unknown'
 616                                 if len(m)
 617                                         let in_part = m[2]
 618                                 endif
 619                                 call add(info['disp'],
 620                                          \ printf('--- %s ---', in_part))
 621                                 let part_start = len(info['disp']) + 1
 622                         endif
 623
 624                 elseif in_header
 625                         if in_header == 1
 626                                 let msg['descr'] = line
 627                                 call add(info['disp'], line)
 628                                 let in_header = 2
 629                                 let msg['hdr_start'] = len(info['disp']) + 1
 630
 631                         else
 632                                 if match(line, g:notmuch_show_header_end_regexp) != -1
 633                                         let hdr_start = msg['hdr_start']+1
 634                                         let hdr_end = len(info['disp'])
 635                                         let foldinfo = [ 'hdr', hdr_start, hdr_end,
 636                                                \ printf('[ %d-line headers.  Press "h" to show. ]', hdr_end + 1 - hdr_start) ]
 637                                         let msg['header'] = hdr
 638                                         let in_header = 0
 639                                         let hdr = {}
 640                                 else
 641                                         let m = matchlist(line, '^\(\w\+\):\s*\(.*\)$')
 642                                         if len(m)
 643                                                 let hdr[m[1]] = m[2]
 644                                                 if match(g:notmuch_show_headers, m[1]) != -1
 645                                                         call add(info['disp'], line)
 646                                                 endif
 647                                         endif
 648                                 endif
 649                         endif
 650
 651                 elseif in_message
 652                         if match(line, g:notmuch_show_message_end_regexp) != -1
 653                                 let msg['end'] = len(info['disp'])
 654                                 call add(info['disp'], '')
 655
 656                                 let foldinfo = [ 'msg', msg['start'], msg['end'],
 657                                                \ printf('[ MSG %d - %s ]', len(info['msgs']), msg['descr']) ]
 658
 659                                 call add(info['msgs'], msg)
 660                                 let msg = {}
 661                                 let in_message = 0
 662                                 let in_header = 0
 663                                 let in_body = 0
 664                                 let in_part = ''
 665
 666                         elseif match(line, g:notmuch_show_header_begin_regexp) != -1
 667                                 let in_header = 1
 668                                 continue
 669
 670                         elseif match(line, g:notmuch_show_body_begin_regexp) != -1
 671                                 let body_start = len(info['disp']) + 1
 672                                 let in_body = 1
 673                                 continue
 674                         endif
 675
 676                 else
 677                         if match(line, g:notmuch_show_message_begin_regexp) != -1
 678                                 let msg['start'] = len(info['disp']) + 1
 679
 680                                 let m = matchlist(line, g:notmuch_show_message_parse_regexp)
 681                                 if len(m)
 682                                         let msg['id'] = m[1]
 683                                         let msg['depth'] = m[2]
 684                                         let msg['filename'] = m[3]
 685                                 endif
 686
 687                                 let in_message = 1
 688                         endif
 689                 endif
 690
 691                 if len(foldinfo) && foldinfo[1] < foldinfo[2]
 692                         call add(info['folds'], foldinfo[0:2])
 693                         let info['foldtext'][foldinfo[1]] = foldinfo[3]
 694                 endif
 695         endfor
 696         return info
 697 endfunction
 698
 699 function! s:NM_cmd_show_mkfolds()
 700         let info = b:nm_raw_info
 701
 702         for afold in info['folds']
 703                 exec printf('%d,%dfold', afold[1], afold[2])
 704                 if (afold[0] == 'sig' && g:notmuch_show_fold_signatures)
 705                  \ || (afold[0] == 'cit' && g:notmuch_show_fold_citations)
 706                  \ || (afold[0] == 'bdy' && g:notmuch_show_fold_bodies)
 707                  \ || (afold[0] == 'hdr' && g:notmuch_show_fold_headers)
 708                         exec printf('%dfoldclose', afold[1])
 709                 else
 710                         exec printf('%dfoldopen', afold[1])
 711                 endif
 712         endfor
 713 endfunction
 714
 715 function! s:NM_cmd_show_mksyntax()
 716         let info = b:nm_raw_info
 717         let cnt = 0
 718         for msg in info['msgs']
 719                 let cnt = cnt + 1
 720                 let start = msg['start']
 721                 let hdr_start = msg['hdr_start']
 722                 let body_start = msg['body_start']
 723                 let end = msg['end']
 724                 exec printf('syntax region nmShowMsg%dDesc start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgDesc', cnt, start, start+1)
 725                 exec printf('syntax region nmShowMsg%dHead start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgHead', cnt, hdr_start, body_start)
 726                 exec printf('syntax region nmShowMsg%dBody start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgBody', cnt, body_start, end)
 727         endfor
 728 endfunction
 729
 730 function! NM_cmd_show_foldtext()
 731         let foldtext = b:nm_raw_info['foldtext']
 732         return foldtext[v:foldstart]
 733 endfunction
 734
 735
 736 " --- notmuch helper functions {{{1
 737
 738 function! s:NM_newBuffer(type, content)
 739         enew
 740         setlocal buftype=nofile readonly modifiable
 741         silent put=a:content
 742         keepjumps 0d
 743         setlocal nomodifiable
 744         execute printf('set filetype=notmuch-%s', a:type)
 745         execute printf('set syntax=notmuch-%s', a:type)
 746         let b:nm_type = a:type
 747 endfunction
 748
 749 function! s:NM_run(args)
 750         let cmd = g:notmuch_cmd . ' ' . join(a:args) . '< /dev/null'
 751
 752         let start = reltime()
 753         let out = system(cmd)
 754         let err = v:shell_error
 755         let delta = reltime(start)
 756
 757         echo printf('[%s] {%s} %s', reltimestr(delta), string(err), string(cmd))
 758
 759         if err
 760                 echohl Error
 761                 echo substitute(out, '\n*$', '', '')
 762                 echohl None
 763                 return ''
 764         else
 765                 return out
 766         endif
 767 endfunction
 768
 769 " --- external mail handling helpers {{{1
 770
 771 function! s:NM_new_mail()
 772         echo 'not implemented'
 773 endfunction
 774
 775 " --- other helpers {{{1
 776
 777 function! s:NM_kill_this_buffer()
 778         if exists('b:nm_prev_bufnr')
 779                 setlocal bufhidden=delete
 780                 exec printf(":buffer %d", b:nm_prev_bufnr)
 781         else
 782                 echo "This is the last buffer; use :q<CR> to quit."
 783         endif
 784 endfunction
 785
 786 function! s:NM_search_expand(arg)
 787         let word = expand(a:arg)
 788         let prev_bufnr = bufnr('%')
 789         setlocal bufhidden=hide
 790         call <SID>NM_cmd_search([word])
 791         setlocal bufhidden=delete
 792         let b:nm_prev_bufnr = prev_bufnr
 793 endfunction
 794
 795 function! s:NM_add_remove_tags(prefix, tags)
 796         let id = <SID>NM_search_thread_id()
 797         if id == ''
 798                 echoe 'Eeek! I couldn''t find the thead id!'
 799         endif
 800         call map(a:tags, 'a:prefix . v:val')
 801         " TODO: handle errors
 802         call <SID>NM_run(['tag'] + a:tags + ['--', id])
 803 endfunction
 804
 805 function! s:NM_add_remove_tags_on_screen(prefix, tags)
 806         let online = ''
 807         setlocal modifiable
 808         if a:prefix == '-'
 809                 for tagname in a:tags
 810                         exec printf('silent %ss/(\([^)]*\)\<%s\>\([^)]*\))$/(\1\2)/', online, tagname)
 811                 endfor
 812         else
 813                 for tagname in a:tags
 814                         exec printf('silent %ss/(\([^)]*\)\([^)]*\))$/(\1 %s)/', online, tagname)
 815                 endfor
 816         endif
 817         setlocal nomodifiable
 818 endfunction
 819
 820 " --- process and set the defaults {{{1
 821
 822 function! NM_set_defaults(force)
 823         for [key, dflt] in items(s:notmuch_defaults)
 824                 let cmd = ''
 825                 if !a:force && exists(key) && type(dflt) == type(eval(key))
 826                         continue
 827                 elseif type(dflt) == type(0)
 828                         let cmd = printf('let %s = %d', key, dflt)
 829                 elseif type(dflt) == type('')
 830                         let cmd = printf('let %s = ''%s''', key, dflt)
 831                 " FIXME: not sure why this didn't work when dflt is an array
 832                 "elseif type(dflt) == type([])
 833                 "        let cmd = printf('let %s = %s', key, string(dflt))
 834                 else
 835                         echoe printf('E: Unknown type in NM_set_defaults(%d) using [%s,%s]',
 836                                                 \ a:force, key, string(dflt))
 837                         continue
 838                 endif
 839                 exec cmd
 840         endfor
 841 endfunction
 842 call NM_set_defaults(0)
 843
 844 " for some reason NM_set_defaults() didn't work for arrays...
 845 if !exists('g:notmuch_show_headers')
 846         let g:notmuch_show_headers = s:notmuch_show_headers_defaults
 847 endif
 848 if !exists('g:notmuch_initial_search_words')
 849         let g:notmuch_initial_search_words = s:notmuch_initial_search_words_defaults
 850 endif
 851 if !exists('g:notmuch_folders')
 852         let g:notmuch_folders = s:notmuch_folders_defaults
 853 endif
 854
 855
 856 " --- assign keymaps {{{1
 857
 858 function! s:NM_set_map(maps)
 859         nmapclear
 860         for [key, code] in items(a:maps)
 861                 exec printf('nnoremap <buffer> %s %s', key, code)
 862         endfor
 863         " --- this is a hack for development :)
 864         nnoremap ,nmr :source ~/.vim/plugin/notmuch.vim<CR>:call NotMuch('')<CR>
 865 endfunction
 866
 867 " --- command handler {{{1
 868
 869 function! NotMuch(args)
 870         let args = a:args
 871         if !strlen(args)
 872                 let args = 'folders'
 873         endif
 874
 875         let words = split(args)
 876         if words[0] == 'folders'
 877                 let words = words[1:]
 878                 call <SID>NM_cmd_folders(words)
 879         elseif words[0] == 'search'
 880                 if len(words) > 1
 881                         let words = words[1:]
 882                 elseif exists('b:nm_search_words')
 883                         let words = b:nm_search_words
 884                 else
 885                         let words = g:notmuch_initial_search_words
 886                 endif
 887                 call <SID>NM_cmd_search(words)
 888
 889         elseif words[0] == 'show'
 890                 echoe 'show is not yet implemented.'
 891         endif
 892 endfunction
 893 function! CompleteNotMuch(arg_lead, cmd_line, cursor_pos)
 894         return []
 895 endfunction
 896
 897
 898 " --- glue {{{1
 899
 900 command! -nargs=* -complete=customlist,CompleteNotMuch NotMuch call NotMuch(<q-args>)
 901 cabbrev  notmuch <c-r>=(getcmdtype()==':' && getcmdpos()==1 ? 'NotMuch' : 'notmuch')<CR>
 902
 903 " vim: set ft=vim ts=8 sw=8 et foldmethod=marker :