folding for citations

[notmuch] / vim / plugin / notmuch.vim

diff --git a/vim/plugin/notmuch.vim b/vim/plugin/notmuch.vim
index 865624fed01c698e90797b2894109d1c2ff29244..5fe438e78cf1eece676d160201c473738b2e9c2a 100644 (file)
--- a/vim/plugin/notmuch.vim
+++ b/vim/plugin/notmuch.vim
@@ -25,27 +25,64 @@ if !exists('g:notmuch_cmd')
         let g:notmuch_cmd = 'notmuch'
 endif
 
+if !exists('g:notmuch_search_reverse')
+        let g:notmuch_search_reverse = 1
+endif
+
+" --- used to match output of notmuch
+
+let s:notmuch_show_message_begin_regexp    = '^\fmessage{'
+let s:notmuch_show_message_end_regexp      = '^\fmessage}'
+let s:notmuch_show_header_begin_regexp     = '^\fheader{'
+let s:notmuch_show_header_end_regexp       = '^\fheader}'
+let s:notmuch_show_body_begin_regexp       = '^\fbody{'
+let s:notmuch_show_body_end_regexp         = '^\fbody}'
+let s:notmuch_show_attachment_begin_regexp = '^\fattachment{'
+let s:notmuch_show_attachment_end_regexp   = '^\fattachment}'
+let s:notmuch_show_part_begin_regexp       = '^\fpart{'
+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_tags_regexp             = '(\([^)]*\))$'
+
+let s:notmuch_show_signature_regexp        = '^\(-- \?\|_\+\)$'
+let s:notmuch_show_signature_lines_max     = 12
+
+let s:notmuch_show_citation_regexp         = '^\s*>'
 
 " --- implement search screen
 
 function! s:NM_cmd_search(words)
-        let data = split(s:NM_run(['search'] + a:words), "\n")
-        let disp = copy(data)
+        let cmd = ['search']
+        if g:notmuch_search_reverse
+                let cmd = cmd + ['--reverse']
+        endif
+        let data = s:NM_run(cmd + a:words)
+        "let data = substitute(data, '27/27', '25/27', '')
+        "let data = substitute(data, '\[4/4\]', '[0/4]', '')
+        let lines = split(data, "\n")
+        let disp = copy(lines)
         call map(disp, 'substitute(v:val, "^thread:\\S* ", "", "")' )
 
         call s:NM_newBuffer('search', join(disp, "\n"))
-        let b:nm_raw_data = data
+        let b:nm_raw_data = lines
 
         nnoremap <buffer> <Enter> :call <SID>NM_search_display()<CR>
+        nnoremap <buffer> s       :call <SID>NM_cmd_search(split(input('NotMuch Search:')))<CR>
+        setlocal cursorline
+        setlocal nowrap
 endfunction
 
 function! s:NM_search_display()
-        let line = line('.')
         if !exists('b:nm_raw_data')
                 echo 'no b:nm_raw_data'
         else
-                let info = b:nm_raw_data[line]
-                let what = split(info, '\W\+')[0]
+                let line = line('.')
+                let info = b:nm_raw_data[line-1]
+                let what = split(info, '\s\+')[0]
                 call s:NM_cmd_show([what])
         endif
 endfunction
@@ -54,24 +91,61 @@ endfunction
 " --- implement show screen
 
 function! s:NM_cmd_show(words)
+        let bufnr = bufnr('%')
         let data = s:NM_run(['show'] + a:words)
 
         call s:NM_newBuffer('show', data)
+        setlocal bufhidden=delete
         let b:nm_raw_data = data
+
+        call s:NM_cmd_show_mkfolds()
+
+        exec printf("nnoremap <buffer> q :b %d<CR>", bufnr)
+endfunction
+
+function! s:NM_cmd_show_mkfolds()
+        let modetype = ''
+        let modeline = -1
+        let lnum = 1
+        while lnum <= line('$')
+                let line = getline(lnum)
+                if 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
+                        endif
+                elseif modetype == 'cit'
+                        if match(line, s:notmuch_show_citation_regexp) == -1
+                                exec printf('%d,%dfold', modeline, lnum)
+                                let modetype = ''
+                        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
+                                exec printf('%d,%dfold', modeline, lnum)
+                                let modetype = ''
+                        endif
+                endif
+
+                let lnum = lnum + 1
+        endwhile
 endfunction
 
 
-" --- helper function
+" --- helper functions
 
 function! s:NM_newBuffer(ft, content)
         enew
         setlocal buftype=nofile readonly modifiable
-        setlocal bufhidden=delete
         silent put=a:content
         keepjumps 0d
         setlocal nomodifiable
-        setlocal cursorline
-        execute printf('setlocal filetype=notmuch-%s', a:ft)
+        execute printf('set filetype=notmuch-%s', a:ft)
+        execute printf('set syntax=notmuch-%s', a:ft)
 endfunction
 
 function! s:NM_run(args)