let s:notmuch_show_part_end_regexp = '^\fpart}'
let s:notmuch_show_marker_regexp = '^\f\\(message\\|header\\|body\\|attachment\\|part\\)[{}].*$'
-let s:notmuch_show_id_regexp = '\(id:[^ ]*\)'
-let s:notmuch_show_depth_regexp = ' depth:\([0-9]*\) '
-let s:notmuch_show_filename_regexp = 'filename:\(.*\)$'
+let s:notmuch_show_message_parse_regexp = '\(id:[^ ]*\) depth:\([0-9]*\) filename:\(.*\)$'
let s:notmuch_show_tags_regexp = '(\([^)]*\))$'
let s:notmuch_show_signature_regexp = '^\(-- \?\|_\+\)$'
let s:notmuch_show_citation_regexp = '^\s*>'
+let s:notmuch_show_headers = [ 'Subject', 'From' ]
+
+let g:notmuch_show_fold_signatures = 1
+let g:notmuch_show_fold_citations = 1
+
" --- implement search screen
function! s:NM_cmd_search(words)
call map(disp, 'substitute(v:val, "^thread:\\S* ", "", "")' )
call s:NM_newBuffer('search', join(disp, "\n"))
- let b:nm_raw_data = lines
+ let b:nm_raw_lines = lines
nnoremap <buffer> <Enter> :call <SID>NM_search_display()<CR>
nnoremap <buffer> s :call <SID>NM_cmd_search(split(input('NotMuch Search:')))<CR>
endfunction
function! s:NM_search_display()
- if !exists('b:nm_raw_data')
- echo 'no b:nm_raw_data'
+ if !exists('b:nm_raw_lines')
+ echo 'no b:nm_raw_lines'
else
let line = line('.')
- let info = b:nm_raw_data[line-1]
+ let info = b:nm_raw_lines[line-1]
let what = split(info, '\s\+')[0]
call s:NM_cmd_show([what])
endif
" --- implement show screen
function! s:NM_cmd_show(words)
- let bufnr = bufnr('%')
+ let prev_bufnr = bufnr('%')
let data = s:NM_run(['show'] + a:words)
+ let lines = split(data, "\n")
- call s:NM_newBuffer('show', data)
+ let info = s:NM_cmd_show_parse(lines)
+
+ call s:NM_newBuffer('show', join(info['disp'], "\n"))
setlocal bufhidden=delete
- let b:nm_raw_data = data
+ let b:nm_raw_info = info
+ let b:nm_prev_bufnr = prev_bufnr
call s:NM_cmd_show_mkfolds()
+ call s:NM_cmd_show_mksyntax()
setlocal foldtext=NM_cmd_show_foldtext()
setlocal fillchars=
- setlocal foldcolumn=5
+ setlocal foldcolumn=6
- exec printf("nnoremap <buffer> q :b %d<CR>", bufnr)
+ exec printf("nnoremap <buffer> q :b %d<CR>", b:nm_prev_bufnr)
+ nnoremap <buffer> <C-N> :call <SID>NM_cmd_show_next()<CR>
+ nnoremap <buffer> c :call <SID>NM_cmd_show_fold_toggle('c', 'cit', !g:notmuch_show_fold_citations)<CR>
+ nnoremap <buffer> s :call <SID>NM_cmd_show_fold_toggle('s', 'sig', !g:notmuch_show_fold_signatures)<CR>
endfunction
-function! s:NM_cmd_show_mkfolds()
- let msg_start = -1
- let hdr_start = -1
- let bdy_start = -1
- let prt_start = -1
- let modetype = ''
- let modeline = -1
- let lnum = 1
- let b:nm_fold_data = {}
- while lnum <= line('$')
- let line = getline(lnum)
- if match(line, s:notmuch_show_message_begin_regexp) != -1
- let msg_start = lnum
- elseif match(line, s:notmuch_show_message_end_regexp) != -1
- exec printf('%d,%dfold', msg_start, lnum)
- exec printf('%dfoldopen', msg_start)
- let b:nm_fold_data[msg_start] = ['msg', getline(msg_start)]
-
- elseif match(line, s:notmuch_show_header_begin_regexp) != -1
- let hdr_start = lnum
- elseif match(line, s:notmuch_show_header_end_regexp) != -1
- exec printf('%d,%dfold', hdr_start, lnum)
- exec printf('%dfoldclose', hdr_start)
- let b:nm_fold_data[hdr_start] = ['hdr', '* ' . getline(hdr_start+1) . ' [ Press "h" for full header. ]']
-
- elseif match(line, s:notmuch_show_body_begin_regexp) != -1
- let bdy_start = lnum
- elseif match(line, s:notmuch_show_body_end_regexp) != -1
- exec printf('%d,%dfold', bdy_start, lnum)
- exec printf('%dfoldopen', bdy_start)
- let b:nm_fold_data[bdy_start] = ['bdy', getline(bdy_start)]
-
- elseif match(line, s:notmuch_show_part_begin_regexp) != -1
- let prt_start = lnum
- elseif match(line, s:notmuch_show_part_end_regexp) != -1
- exec printf('%d,%dfold', prt_start, lnum)
- exec printf('%dfoldopen', prt_start)
- let b:nm_fold_data[msg_start] = ['msg', getline(prt_start)]
-
- elseif modetype == ''
- if match(line, s:notmuch_show_signature_regexp) != -1
- let modetype = 'sig'
- let modeline = lnum
- elseif match(line, s:notmuch_show_citation_regexp) != -1
- let modetype = 'cit'
- let modeline = lnum
+function! s:NM_cmd_show_next()
+ let info = b:nm_raw_info
+ let lnum = line('.')
+ let cnt = 0
+ for msg in info['msgs']
+ let cnt = cnt + 1
+ if lnum >= msg['start']
+ continue
+ endif
+
+ exec printf('norm %dG', msg['start'])
+ norm zz
+ return
+ endfor
+ norm qj
+ call <SID>NM_search_display()
+endfunction
+
+function! s:NM_cmd_show_fold_toggle(key, type, fold)
+ let info = b:nm_raw_info
+ let act = 'open'
+ if a:fold
+ let act = 'close'
+ endif
+ for fld in info['folds']
+ if fld[0] == a:type
+ exec printf('%dfold%s', fld[1], act)
+ endif
+ endfor
+ exec printf('nnoremap <buffer> %s :call <SID>NM_cmd_show_fold_toggle(''%s'', ''%s'', %d)<CR>', a:key, a:key, a:type, !a:fold)
+endfunction
+
+
+" s:NM_cmd_show_parse returns the following dictionary:
+" 'disp': lines to display
+" 'msgs': message info dicts { start, end, id, depth, filename, descr, header }
+" 'folds': fold info arrays [ type, start, end ]
+" 'foldtext': fold text indexed by start line
+function! s:NM_cmd_show_parse(inlines)
+ let info = { 'disp': [],
+ \ 'msgs': [],
+ \ 'folds': [],
+ \ 'foldtext': {} }
+ let msg = {}
+ let hdr = {}
+
+ let in_message = 0
+ let in_header = 0
+ let in_body = 0
+ let in_part = ''
+
+ let body_start = -1
+ let part_start = -1
+
+ let mode_type = ''
+ let mode_start = -1
+
+ let inlnum = 0
+ for line in a:inlines
+ let inlnum = inlnum + 1
+ let foldinfo = []
+
+ if strlen(in_part)
+ let part_end = 0
+
+ if match(line, s:notmuch_show_part_end_regexp) != -1
+ let part_end = len(info['disp'])
+ else
+ call add(info['disp'], line)
endif
- elseif modetype == 'cit'
- if match(line, s:notmuch_show_citation_regexp) == -1
- exec printf('%d,%dfold', modeline, lnum)
- let b:nm_fold_data[modeline] = [modetype, printf('[ %d-line citation. Press "c" to show. ]', lnum - modeline)]
- let modetype = ''
+
+ if in_part == 'text/plain'
+ if !part_end && mode_type == ''
+ if match(line, s:notmuch_show_signature_regexp) != -1
+ let mode_type = 'sig'
+ let mode_start = len(info['disp'])
+ elseif match(line, s:notmuch_show_citation_regexp) != -1
+ let mode_type = 'cit'
+ let mode_start = len(info['disp'])
+ endif
+ elseif mode_type == 'cit'
+ if part_end || match(line, s:notmuch_show_citation_regexp) == -1
+ let outlnum = len(info['disp'])
+ let foldinfo = [ mode_type, mode_start, outlnum,
+ \ printf('[ %d-line citation. Press "c" to show. ]', outlnum - mode_start) ]
+ let mode_type = ''
+ endif
+ elseif mode_type == 'sig'
+ let outlnum = len(info['disp'])
+ if (outlnum - mode_start) > s:notmuch_show_signature_lines_max
+ echoe 'line ' . outlnum . ' stopped matching'
+ let mode_type = ''
+ elseif part_end
+ let foldinfo = [ mode_type, mode_start, outlnum,
+ \ printf('[ %d-line signature. Press "s" to show. ]', outlnum - mode_start) ]
+ let mode_type = ''
+ endif
+ endif
endif
- elseif modetype == 'sig'
- if (lnum - modeline) > s:notmuch_show_signature_lines_max
- let modetype = ''
- elseif match(line, s:notmuch_show_part_end_regexp) != -1
- let modeline2 = lnum - 1
- exec printf('%d,%dfold', modeline, modeline2)
- let b:nm_fold_data[modeline] = [modetype, printf('[ %d-line signature. Press "s" to show. ]', modeline2 - modeline)]
- let modetype = ''
+
+ if part_end
+ " FIXME: this is a hack for handling two folds being added for one line
+ " we should handle addinga fold in a function
+ if len(foldinfo)
+ call add(info['folds'], foldinfo[0:2])
+ let info['foldtext'][foldinfo[1]] = foldinfo[3]
+ endif
+
+ let foldinfo = [ 'text', part_start, part_end,
+ \ printf('[ %d-line %s. Press "p" to show. ]', part_end - part_start, in_part) ]
+ let in_part = ''
+ call add(info['disp'], '')
endif
+
+ elseif in_body
+ if !has_key(msg,'body_start')
+ let msg['body_start'] = len(info['disp']) + 1
+ endif
+ if match(line, s:notmuch_show_body_end_regexp) != -1
+ let body_end = len(info['disp'])
+ let foldinfo = [ 'body', body_start, body_end,
+ \ printf('[ BODY %d - %d lines ]', len(info['msgs']), body_end - body_start) ]
+
+ let in_body = 0
+
+ elseif match(line, s:notmuch_show_part_begin_regexp) != -1
+ let m = matchlist(line, 'ID: \(\d\+\), Content-type: \(\S\+\)')
+ let in_part = 'unknown'
+ if len(m)
+ let in_part = m[2]
+ endif
+ call add(info['disp'],
+ \ printf('--- %s ---', in_part))
+ let part_start = len(info['disp']) + 1
+ endif
+
+ elseif in_header
+ if in_header == 1
+ let msg['descr'] = line
+ call add(info['disp'], line)
+ let in_header = 2
+ let msg['hdr_start'] = len(info['disp']) + 1
+
+ else
+ if match(line, s:notmuch_show_header_end_regexp) != -1
+ let msg['header'] = hdr
+ let in_header = 0
+ let hdr = {}
+ else
+ let m = matchlist(line, '^\(\w\+\):\s*\(.*\)$')
+ if len(m)
+ let hdr[m[1]] = m[2]
+ if match(s:notmuch_show_headers, m[1]) != -1
+ call add(info['disp'], line)
+ endif
+ endif
+ endif
+ endif
+
+ elseif in_message
+ if match(line, s:notmuch_show_message_end_regexp) != -1
+ let msg['end'] = len(info['disp'])
+ call add(info['disp'], '')
+
+ let foldinfo = [ 'match', msg['start'], msg['end'],
+ \ printf('[ MSG %d - %s ]', len(info['msgs']), msg['descr']) ]
+
+ call add(info['msgs'], msg)
+ let msg = {}
+ let in_message = 0
+ let in_header = 0
+ let in_body = 0
+ let in_part = ''
+
+ elseif match(line, s:notmuch_show_header_begin_regexp) != -1
+ let in_header = 1
+ continue
+
+ elseif match(line, s:notmuch_show_body_begin_regexp) != -1
+ let body_start = len(info['disp']) + 1
+ let in_body = 1
+ continue
+ endif
+
+ else
+ if match(line, s:notmuch_show_message_begin_regexp) != -1
+ let msg['start'] = len(info['disp']) + 1
+
+ let m = matchlist(line, s:notmuch_show_message_parse_regexp)
+ if len(m)
+ let msg['id'] = m[1]
+ let msg['depth'] = m[2]
+ let msg['filename'] = m[3]
+ endif
+
+ let in_message = 1
+ endif
+ endif
+
+ if len(foldinfo)
+ call add(info['folds'], foldinfo[0:2])
+ let info['foldtext'][foldinfo[1]] = foldinfo[3]
+ endif
+ endfor
+ return info
+endfunction
+
+function! s:NM_cmd_show_mkfolds()
+ let info = b:nm_raw_info
+
+ for afold in info['folds']
+ exec printf('%d,%dfold', afold[1], afold[2])
+ if (afold[0] == 'sig' && g:notmuch_show_fold_signatures)
+ \ || (afold[0] == 'cit' && g:notmuch_show_fold_citations)
+ exec printf('%dfoldclose', afold[1])
+ else
+ exec printf('%dfoldopen', afold[1])
endif
+ endfor
+endfunction
- let lnum = lnum + 1
- endwhile
+function! s:NM_cmd_show_mksyntax()
+ let info = b:nm_raw_info
+ let cnt = 0
+ for msg in info['msgs']
+ let cnt = cnt + 1
+ let start = msg['start']
+ let hdr_start = msg['hdr_start']
+ let body_start = msg['body_start']
+ let end = msg['end']
+ exec printf('syntax region nmShowMsg%dDesc start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgDesc', cnt, start, start+1)
+ exec printf('syntax region nmShowMsg%dHead start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgHead', cnt, hdr_start, body_start)
+ exec printf('syntax region nmShowMsg%dBody start=''\%%%dl'' end=''\%%%dl'' contains=@nmShowMsgBody', cnt, body_start, end)
+ endfor
endfunction
function! NM_cmd_show_foldtext()
- return b:nm_fold_data[v:foldstart][1]
+ let foldtext = b:nm_raw_info['foldtext']
+ return foldtext[v:foldstart]
endfunction