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   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 " --- keyboard mapping definitions {{{1
  73
  74 " --- --- bindings for search screen {{{2
  75 let g:notmuch_search_maps = {
  76         \ '<Enter>':    ':call <SID>NM_search_show_thread()<CR>',
  77         \ 'a':          ':call <SID>NM_search_archive_thread()<CR>',
  78         \ 'f':          ':call <SID>NM_search_filter()<CR>',
  79         \ 'm':          ':call <SID>NM_new_mail()<CR>',
  80         \ 'o':          ':call <SID>NM_search_toggle_order()<CR>',
  81         \ 'r':          ':call <SID>NM_search_reply_to_thread()<CR>',
  82         \ 's':          ':call <SID>NM_search_prompt()<CR>',
  83         \ 'S':          ':call <SID>NM_search_edit()<CR>',
  84         \ 't':          ':call <SID>NM_search_filter_by_tag()<CR>',
  85         \ 'q':          ':call <SID>NM_kill_this_buffer()<CR>',
  86         \ '+':          ':call <SID>NM_search_add_tags([])<CR>',
  87         \ '-':          ':call <SID>NM_search_remove_tags([])<CR>',
  88         \ '=':          ':call <SID>NM_search_refresh_view()<CR>',
  89         \ }
  90
  91 " --- --- bindings for show screen {{{2
  92 let g:notmuch_show_maps = {
  93         \ '<C-P>':      ':call <SID>NM_show_prev()<CR>',
  94         \ '<C-N>':      ':call <SID>NM_show_next()<CR>',
  95         \ 'q':          ':call <SID>NM_kill_this_buffer()<CR>',
  96         \
  97         \ 'b':          ':call <SID>NM_show_fold_toggle(''b'', ''bdy'', !g:notmuch_show_fold_bodies)<CR>',
  98         \ 'c':          ':call <SID>NM_show_fold_toggle(''c'', ''cit'', !g:notmuch_show_fold_citations)<CR>',
  99         \ 'h':          ':call <SID>NM_show_fold_toggle(''h'', ''hdr'', !g:notmuch_show_fold_headers)<CR>',
 100         \ 's':          ':call <SID>NM_show_fold_toggle(''s'', ''sig'', !g:notmuch_show_fold_signatures)<CR>',
 101         \
 102         \ 'a':          ':call <SID>NM_show_archive_thread()<CR>',
 103         \ 'A':          ':call <SID>NM_show_mark_read_then_archive_thread()<CR>',
 104         \ 'N':          ':call <SID>NM_show_mark_read_then_next_open_message()<CR>',
 105         \ 'v':          ':call <SID>NM_show_view_all_mime_parts()<CR>',
 106         \ '+':          ':call <SID>NM_show_add_tag()<CR>',
 107         \ '-':          ':call <SID>NM_show_remove_tag()<CR>',
 108         \ '<Space>':    ':call <SID>NM_show_advance_marking_read_and_archiving()<CR>',
 109         \ '\|':         ':call <SID>NM_show_pipe_message()<CR>',
 110         \
 111         \ 'r':          ':call <SID>NM_show_reply()<CR>',
 112         \ 'm':          ':call <SID>NM_new_mail()<CR>',
 113         \ }
 114
 115
 116 " --- implement search screen {{{1
 117
 118 function! s:NM_cmd_search(words)
 119         let cmd = ['search']
 120         if g:notmuch_search_newest_first
 121                 let cmd = cmd + ['--sort=newest-first']
 122         else
 123                 let cmd = cmd + ['--sort=oldest-first']
 124         endif
 125         let data = s:NM_run(cmd + a:words)
 126         "let data = substitute(data, '27/27', '25/27', '')
 127         "let data = substitute(data, '\[4/4\]', '[0/4]', '')
 128         let lines = split(data, "\n")
 129         let disp = copy(lines)
 130         "call map(disp, 'substitute(v:val, "^thread:\\S* ", "", "")' )
 131         call map(disp, 's:NM_cmd_search_fmtline(v:val)')
 132
 133         call <SID>NM_newBuffer('search', join(disp, "\n"))
 134         let b:nm_raw_lines = lines
 135         let b:nm_search_words = a:words
 136
 137         call <SID>NM_cmd_search_mksyntax()
 138         call <SID>NM_set_map(g:notmuch_search_maps)
 139         setlocal cursorline
 140         setlocal nowrap
 141 endfunction
 142 function! s:NM_cmd_search_fmtline(line)
 143         let m = matchlist(a:line, '^\(thread:\S\+\)\s\([^]]\+\]\) \([^;]\+\); \(.*\) (\([^(]*\))$')
 144         if !len(m)
 145                 return 'ERROR PARSING: ' . a:line
 146         endif
 147         let max = g:notmuch_search_from_column_width
 148         let from = m[3]
 149         if strlen(from) >= max
 150                 let from = m[3][0:max-4] . '...'
 151         endif
 152         return printf('%s %-20s | %s (%s)', m[2], from, m[4], m[5])
 153 endfunction
 154 function! s:NM_cmd_search_mksyntax()
 155         syntax clear nmSearchFrom
 156         "syntax region nmSearchFrom start='\]\@<=' end='.'me=e+5,he=e+5,re=e+5 oneline contained
 157         "syntax match nmSearchFrom /\]\@<=.\{10\}/ oneline contained
 158         exec printf('syntax match nmSearchFrom /\(\] \)\@<=.\{%d\}/ oneline contained', g:notmuch_search_from_column_width)
 159         "exec printf('syntax region nmSearchFrom start=''\%%%dv'' end=''\%%%dv'' oneline contained', 20, 30)
 160 endfunction
 161
 162 " --- --- search screen action functions {{{2
 163
 164 function! s:NM_search_show_thread()
 165         let id = <SID>NM_search_find_thread_id()
 166         if id != ''
 167                 call <SID>NM_cmd_show([id])
 168         endif
 169 endfunction
 170
 171 function! s:NM_search_prompt()
 172         " TODO: input() can support completion
 173         let text = input('NotMuch Search: ')
 174         if strlen(text)
 175                 let tags = split(text)
 176         else
 177                 let tags = s:notmuch_initial_search_words_defaults
 178         endif
 179         setlocal bufhidden=delete
 180         call <SID>NM_cmd_search(tags)
 181 endfunction
 182
 183 function! s:NM_search_edit()
 184         " TODO: input() can support completion
 185         let text = input('NotMuch Search: ', join(b:nm_search_words, ' '))
 186         if strlen(text)
 187                 call <SID>NM_cmd_search(split(text))
 188         endif
 189 endfunction
 190
 191 function! s:NM_search_archive_thread()
 192         call <SID>NM_add_remove_tags('-', ['inbox'])
 193         " TODO: this could be made better and more generic
 194         setlocal modifiable
 195         s/(\([^)]*\)\<inbox\>\([^)]*\))$/(\1\2)/
 196         setlocal nomodifiable
 197         norm j
 198 endfunction
 199
 200 function! s:NM_search_filter()
 201         call <SID>NM_search_filter_helper('Filter: ', '')
 202 endfunction
 203
 204 function! s:NM_search_filter_by_tag()
 205         call <SID>NM_search_filter_helper('Filter Tag(s): ', 'tag:')
 206 endfunction
 207
 208 function! s:NM_search_filter_helper(prompt, prefix)
 209         " TODO: input() can support completion
 210         let text = input(a:prompt)
 211         if !strlen(text)
 212                 return
 213         endif
 214
 215         let tags = split(text)
 216         map(tags, 'and a:prefix . v:val')
 217         let tags = b:nm_search_words + tags
 218         echo tags
 219
 220         let prev_bufnr = bufnr('%')
 221         setlocal bufhidden=hide
 222         call <SID>NM_cmd_search(tags)
 223         setlocal bufhidden=delete
 224         let b:nm_prev_bufnr = prev_bufnr
 225 endfunction
 226
 227 function! s:NM_search_toggle_order()
 228         let g:notmuch_search_newest_first = !g:notmuch_search_newest_first
 229         " FIXME: maybe this would be better done w/o reading re-reading the lines
 230         "         reversing the b:nm_raw_lines and the buffer lines would be better
 231         call <SID>NM_search_refresh_view()
 232 endfunction
 233
 234 function! s:NM_search_reply_to_thread()
 235         echo 'not implemented'
 236 endfunction
 237
 238 function! s:NM_search_add_tags(tags)
 239         call <SID>NM_search_add_remove_tags('Add Tag(s): ', '+', a:tags)
 240 endfunction
 241
 242 function! s:NM_search_remove_tags(tags)
 243         call <SID>NM_search_add_remove_tags('Remove Tag(s): ', '-', a:tags)
 244 endfunction
 245
 246 function! s:NM_search_refresh_view()
 247         let lno = line('.')
 248         setlocal bufhidden=delete
 249         call <SID>NM_cmd_search(b:nm_search_words)
 250         " FIXME: should find the line of the thread we were on if possible
 251         exec printf('norm %dG', lno)
 252 endfunction
 253
 254 " --- --- search screen helper functions {{{2
 255
 256 function! s:NM_search_find_thread_id()
 257         if !exists('b:nm_raw_lines')
 258                 echoe 'no b:nm_raw_lines'
 259                 return ''
 260         else
 261                 let line = line('.')
 262                 let info = b:nm_raw_lines[line-1]
 263                 let what = split(info, '\s\+')[0]
 264                 return what
 265         endif
 266 endfunction
 267
 268 function! s:NM_search_add_remove_tags(prompt, prefix, intags)
 269         if type(a:intags) != type([]) || len(a:intags) == 0
 270                 " TODO: input() can support completion
 271                 let text = input(a:prompt)
 272                 if !strlen(text)
 273                         return
 274                 endif
 275                 call <SID>NM_add_remove_tags(a:prefix, split(text, ' '))
 276         else
 277                 call <SID>NM_add_remove_tags(a:prefix, a:intags)
 278         endif
 279         call <SID>NM_search_refresh_view()
 280 endfunction
 281
 282 function! s:NM_add_remove_tags(prefix, tags)
 283         let id = <SID>NM_search_find_thread_id()
 284         if id == ''
 285                 echoe 'Eeek! I couldn''t find the thead id!'
 286         endif
 287         call map(a:tags, 'a:prefix . v:val')
 288         " TODO: handle errors
 289         call <SID>NM_run(['tag'] + a:tags + ['--', id])
 290 endfunction
 291
 292 " --- implement show screen {{{1
 293
 294 function! s:NM_cmd_show(words)
 295         let prev_bufnr = bufnr('%')
 296         let data = s:NM_run(['show'] + a:words)
 297         let lines = split(data, "\n")
 298
 299         let info = s:NM_cmd_show_parse(lines)
 300
 301         setlocal bufhidden=hide
 302         call <SID>NM_newBuffer('show', join(info['disp'], "\n"))
 303         setlocal bufhidden=delete
 304         let b:nm_raw_info = info
 305         let b:nm_prev_bufnr = prev_bufnr
 306
 307         call <SID>NM_cmd_show_mkfolds()
 308         call <SID>NM_cmd_show_mksyntax()
 309         call <SID>NM_set_map(g:notmuch_show_maps)
 310         setlocal foldtext=NM_cmd_show_foldtext()
 311         setlocal fillchars=
 312         setlocal foldcolumn=6
 313
 314 endfunction
 315
 316 function! s:NM_show_prev()
 317         echoe "not implemented"
 318 endfunction
 319
 320 function! s:NM_show_next()
 321         let info = b:nm_raw_info
 322         let lnum = line('.')
 323         let cnt = 0
 324         for msg in info['msgs']
 325                 let cnt = cnt + 1
 326                 if lnum >= msg['start']
 327                         continue
 328                 endif
 329
 330                 exec printf('norm %dG', msg['start'])
 331                 norm zz
 332                 return
 333         endfor
 334         norm qj
 335         call <SID>NM_search_show_thread()
 336 endfunction
 337
 338 function! s:NM_show_archive_thread()
 339         echo 'not implemented'
 340 endfunction
 341
 342 function! s:NM_show_mark_read_then_archive_thread()
 343         echo 'not implemented'
 344 endfunction
 345
 346 function! s:NM_show_next_message()
 347         echo 'not implemented'
 348 endfunction
 349
 350 function! s:NM_show_mark_read_then_next_open_message()
 351         echo 'not implemented'
 352 endfunction
 353
 354 function! s:NM_show_previous_message()
 355         echo 'not implemented'
 356 endfunction
 357
 358 function! s:NM_show_reply()
 359         echo 'not implemented'
 360 endfunction
 361
 362 function! s:NM_show_view_all_mime_parts()
 363         echo 'not implemented'
 364 endfunction
 365
 366 function! s:NM_show_view_raw_message()
 367         echo 'not implemented'
 368 endfunction
 369
 370 function! s:NM_show_add_tag()
 371         echo 'not implemented'
 372 endfunction
 373
 374 function! s:NM_show_remove_tag()
 375         echo 'not implemented'
 376 endfunction
 377
 378 function! s:NM_show_advance_marking_read_and_archiving()
 379         echo 'not implemented'
 380 endfunction
 381
 382 function! s:NM_show_pipe_message()
 383         echo 'not implemented'
 384 endfunction
 385
 386 " --- --- search screen helper functions {{{2
 387
 388 function! s:NM_show_fold_toggle(key, type, fold)
 389         let info = b:nm_raw_info
 390         let act = 'open'
 391         if a:fold
 392                 let act = 'close'
 393         endif
 394         for fld in info['folds']
 395                 if fld[0] == a:type
 396                         exec printf('%dfold%s', fld[1], act)
 397                 endif
 398         endfor
 399         exec printf('nnoremap <buffer> %s :call <SID>NM_show_fold_toggle(''%s'', ''%s'', %d)<CR>', a:key, a:key, a:type, !a:fold)
 400 endfunction
 401
 402
 403 " s:NM_cmd_show_parse returns the following dictionary:
 404 "    'disp':     lines to display
 405 "    'msgs':     message info dicts { start, end, id, depth, filename, descr, header }
 406 "    'folds':    fold info arrays [ type, start, end ]
 407 "    'foldtext': fold text indexed by start line
 408 function! s:NM_cmd_show_parse(inlines)
 409         let info = { 'disp': [],
 410                    \ 'msgs': [],
 411                    \ 'folds': [],
 412                    \ 'foldtext': {} }
 413         let msg = {}
 414         let hdr = {}
 415
 416         let in_message = 0
 417         let in_header = 0
 418         let in_body = 0
 419         let in_part = ''
 420
 421         let body_start = -1
 422         let part_start = -1
 423
 424         let mode_type = ''
 425         let mode_start = -1
 426
 427         let inlnum = 0
 428         for line in a:inlines
 429                 let inlnum = inlnum + 1
 430                 let foldinfo = []
 431
 432                 if strlen(in_part)
 433                         let part_end = 0
 434
 435                         if match(line, g:notmuch_show_part_end_regexp) != -1
 436                                 let part_end = len(info['disp'])
 437                         else
 438                                 call add(info['disp'], line)
 439                         endif
 440
 441                         if in_part == 'text/plain'
 442                                 if !part_end && mode_type == ''
 443                                         if match(line, g:notmuch_show_signature_regexp) != -1
 444                                                 let mode_type = 'sig'
 445                                                 let mode_start = len(info['disp'])
 446                                         elseif match(line, g:notmuch_show_citation_regexp) != -1
 447                                                 let mode_type = 'cit'
 448                                                 let mode_start = len(info['disp'])
 449                                         endif
 450                                 elseif mode_type == 'cit'
 451                                         if part_end || match(line, g:notmuch_show_citation_regexp) == -1
 452                                                 let outlnum = len(info['disp'])
 453                                                 let foldinfo = [ mode_type, mode_start, outlnum-1,
 454                                                                \ printf('[ %d-line citation.  Press "c" to show. ]', outlnum - mode_start) ]
 455                                                 let mode_type = ''
 456                                         endif
 457                                 elseif mode_type == 'sig'
 458                                         let outlnum = len(info['disp'])
 459                                         if (outlnum - mode_start) > g:notmuch_show_signature_lines_max
 460                                                 let mode_type = ''
 461                                         elseif part_end
 462                                                 let foldinfo = [ mode_type, mode_start, outlnum,
 463                                                                \ printf('[ %d-line signature.  Press "s" to show. ]', outlnum - mode_start) ]
 464                                                 let mode_type = ''
 465                                         endif
 466                                 endif
 467                         endif
 468
 469                         if part_end
 470                                 " FIXME: this is a hack for handling two folds being added for one line
 471                                 "         we should handle addinga fold in a function
 472                                 if len(foldinfo)
 473                                         call add(info['folds'], foldinfo[0:2])
 474                                         let info['foldtext'][foldinfo[1]] = foldinfo[3]
 475                                 endif
 476
 477                                 let foldinfo = [ 'text', part_start, part_end,
 478                                                \ printf('[ %d-line %s.  Press "p" to show. ]', part_end - part_start, in_part) ]
 479                                 let in_part = ''
 480                                 call add(info['disp'], '')
 481                         endif
 482
 483                 elseif in_body
 484                         if !has_key(msg,'body_start')
 485                                 let msg['body_start'] = len(info['disp']) + 1
 486                         endif
 487                         if match(line, g:notmuch_show_body_end_regexp) != -1
 488                                 let body_end = len(info['disp'])
 489                                 let foldinfo = [ 'bdy', body_start, body_end,
 490                                                \ printf('[ BODY %d - %d lines ]', len(info['msgs']), body_end - body_start) ]
 491
 492                                 let in_body = 0
 493
 494                         elseif match(line, g:notmuch_show_part_begin_regexp) != -1
 495                                 let m = matchlist(line, 'ID: \(\d\+\), Content-type: \(\S\+\)')
 496                                 let in_part = 'unknown'
 497                                 if len(m)
 498                                         let in_part = m[2]
 499                                 endif
 500                                 call add(info['disp'],
 501                                          \ printf('--- %s ---', in_part))
 502                                 let part_start = len(info['disp']) + 1
 503                         endif
 504
 505                 elseif in_header
 506                         if in_header == 1
 507                                 let msg['descr'] = line
 508                                 call add(info['disp'], line)
 509                                 let in_header = 2
 510                                 let msg['hdr_start'] = len(info['disp']) + 1
 511
 512                         else
 513                                 if match(line, g:notmuch_show_header_end_regexp) != -1
 514                                         let hdr_start = msg['hdr_start']+1
 515                                         let hdr_end = len(info['disp'])
 516                                         let foldinfo = [ 'hdr', hdr_start, hdr_end,
 517                                                \ printf('[ %d-line headers.  Press "h" to show. ]', hdr_end - hdr_start) ]
 518                                         let msg['header'] = hdr
 519                                         let in_header = 0
 520                                         let hdr = {}
 521                                 else
 522                                         let m = matchlist(line, '^\(\w\+\):\s*\(.*\)$')
 523                                         if len(m)
 524                                                 let hdr[m[1]] = m[2]
 525                                                 if match(g:notmuch_show_headers, m[1]) != -1
 526                                                         call add(info['disp'], line)
 527                                                 endif
 528                                         endif
 529                                 endif
 530                         endif
 531
 532                 elseif in_message
 533                         if match(line, g:notmuch_show_message_end_regexp) != -1
 534                                 let msg['end'] = len(info['disp'])
 535                                 call add(info['disp'], '')
 536
 537                                 let foldinfo = [ 'msg', msg['start'], msg['end'],
 538                                                \ printf('[ MSG %d - %s ]', len(info['msgs']), msg['descr']) ]
 539
 540                                 call add(info['msgs'], msg)
 541                                 let msg = {}
 542                                 let in_message = 0
 543                                 let in_header = 0
 544                                 let in_body = 0
 545                                 let in_part = ''
 546
 547                         elseif match(line, g:notmuch_show_header_begin_regexp) != -1
 548                                 let in_header = 1
 549                                 continue
 550
 551                         elseif match(line, g:notmuch_show_body_begin_regexp) != -1
 552                                 let body_start = len(info['disp']) + 1
 553                                 let in_body = 1
 554                                 continue
 555                         endif
 556
 557                 else
 558                         if match(line, g:notmuch_show_message_begin_regexp) != -1
 559                                 let msg['start'] = len(info['disp']) + 1
 560
 561                                 let m = matchlist(line, g:notmuch_show_message_parse_regexp)
 562                                 if len(m)
 563                                         let msg['id'] = m[1]
 564                                         let msg['depth'] = m[2]
 565                                         let msg['filename'] = m[3]
 566                                 endif
 567
 568                                 let in_message = 1
 569                         endif
 570                 endif
 571
 572                 if len(foldinfo)
 573                         call add(info['folds'], foldinfo[0:2])
 574                         let info['foldtext'][foldinfo[1]] = foldinfo[3]
 575                 endif
 576         endfor
 577         return info
 578 endfunction
 579
 580 function! s:NM_cmd_show_mkfolds()
 581         let info = b:nm_raw_info
 582
 583         for afold in info['folds']
 584                 exec printf('%d,%dfold', afold[1], afold[2])
 585                 if (afold[0] == 'sig' && g:notmuch_show_fold_signatures)
 586                  \ || (afold[0] == 'cit' && g:notmuch_show_fold_citations)
 587                  \ || (afold[0] == 'bdy' && g:notmuch_show_fold_bodies)
 588                  \ || (afold[0] == 'hdr' && g:notmuch_show_fold_headers)
 589                         exec printf('%dfoldclose', afold[1])
 590                 else
 591                         exec printf('%dfoldopen', afold[1])
 592                 endif
 593         endfor
 594 endfunction
 595
 596 function! s:NM_cmd_show_mksyntax()
 597         let info = b:nm_raw_info
 598         let cnt = 0
 599         for msg in info['msgs']
 600                 let cnt = cnt + 1
 601                 let start = msg['start']
 602                 let hdr_start = msg['hdr_start']
 603                 let body_start = msg['body_start']
 604                 let end = msg['end']
 605                 exec printf('syntax region nmShowMsg%dDesc start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgDesc', cnt, start, start+1)
 606                 exec printf('syntax region nmShowMsg%dHead start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgHead', cnt, hdr_start, body_start)
 607                 exec printf('syntax region nmShowMsg%dBody start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgBody', cnt, body_start, end)
 608         endfor
 609 endfunction
 610
 611 function! NM_cmd_show_foldtext()
 612         let foldtext = b:nm_raw_info['foldtext']
 613         return foldtext[v:foldstart]
 614 endfunction
 615
 616
 617 " --- notmuch helper functions {{{1
 618
 619 function! s:NM_newBuffer(ft, content)
 620         enew
 621         setlocal buftype=nofile readonly modifiable
 622         silent put=a:content
 623         keepjumps 0d
 624         setlocal nomodifiable
 625         execute printf('set filetype=notmuch-%s', a:ft)
 626         execute printf('set syntax=notmuch-%s', a:ft)
 627 endfunction
 628
 629 function! s:NM_run(args)
 630         let cmd = g:notmuch_cmd . ' ' . join(a:args) . '< /dev/null'
 631         let out = system(cmd)
 632         if v:shell_error
 633                 echohl Error
 634                 echo substitute(out, '\n*$', '', '')
 635                 echohl None
 636                 return ''
 637         else
 638                 return out
 639         endif
 640 endfunction
 641
 642 " --- external mail handling helpers {{{1
 643
 644 function! s:NM_new_mail()
 645         echo 'not implemented'
 646 endfunction
 647
 648 " --- other helpers {{{1
 649
 650 function! s:NM_kill_this_buffer()
 651         if exists('b:nm_prev_bufnr')
 652                 setlocal bufhidden=delete
 653                 exec printf(":buffer %d", b:nm_prev_bufnr)
 654         else
 655                 echo "Nothing to kill."
 656         endif
 657 endfunction
 658
 659 " --- process and set the defaults {{{1
 660
 661 function! NM_set_defaults(force)
 662         for [key, dflt] in items(s:notmuch_defaults)
 663                 let cmd = ''
 664                 if !a:force && exists(key) && type(dflt) == type(eval(key))
 665                         continue
 666                 elseif type(dflt) == type(0)
 667                         let cmd = printf('let %s = %d', key, dflt)
 668                 elseif type(dflt) == type('')
 669                         let cmd = printf('let %s = ''%s''', key, dflt)
 670                 "elseif type(dflt) == type([])
 671                 "        let cmd = printf('let %s = %s', key, string(dflt))
 672                 else
 673                         echoe printf('E: Unknown type in NM_set_defaults(%d) using [%s,%s]',
 674                                                 \ a:force, key, string(dflt))
 675                         continue
 676                 endif
 677                 exec cmd
 678         endfor
 679 endfunction
 680 call NM_set_defaults(0)
 681
 682 " for some reason NM_set_defaults() didn't work for arrays...
 683 if !exists('g:notmuch_show_headers')
 684         let g:notmuch_show_headers = s:notmuch_show_headers_defaults
 685 endif
 686 if !exists('g:notmuch_initial_search_words')
 687         let g:notmuch_initial_search_words = s:notmuch_initial_search_words_defaults
 688 endif
 689
 690
 691 " --- assign keymaps {{{1
 692
 693 function! s:NM_set_map(maps)
 694         for [key, code] in items(a:maps)
 695                 exec printf('nnoremap <buffer> %s %s', key, code)
 696         endfor
 697 endfunction
 698
 699 " --- command handler {{{1
 700
 701 function! NotMuch(args)
 702         if !strlen(a:args)
 703                 if exists('b:nm_search_words')
 704                         let words = b:nm_search_words
 705                 else
 706                         let words = g:notmuch_initial_search_words
 707                 endif
 708                 call <SID>NM_cmd_search(words)
 709                 return
 710         endif
 711
 712         echo "blarg!"
 713
 714         let words = split(a:args)
 715         " TODO: handle commands passed as arguments
 716 endfunction
 717 function! CompleteNotMuch(arg_lead, cmd_line, cursor_pos)
 718         return []
 719 endfunction
 720
 721
 722 " --- glue {{{1
 723
 724 command! -nargs=* -complete=customlist,CompleteNotMuch NotMuch call NotMuch(<q-args>)
 725 cabbrev  notmuch <c-r>=(getcmdtype()==':' && getcmdpos()==1 ? 'NotMuch' : 'notmuch')<CR>
 726
 727 " --- hacks, only for development :) {{{1
 728
 729 nnoremap ,nmr :source ~/.vim/plugin/notmuch.vim<CR>:call NotMuch('')<CR>
 730
 731 " vim: set ft=vim ts=8 sw=8 et foldmethod=marker :