1 " Vim script to download a missing spell file
2 " Maintainer: Bram Moolenaar <Bram@vim.org>
3 " Last Change: 2008 Nov 29
5 if !exists('g:spellfile_URL')
6 " Prefer using http:// when netrw should be able to use it, since
7 " more firewalls let this through.
8 if executable("curl") || executable("wget") || executable("fetch")
9 let g:spellfile_URL = 'http://ftp.vim.org/pub/vim/runtime/spell'
11 let g:spellfile_URL = 'ftp://ftp.vim.org/pub/vim/runtime/spell'
14 let s:spellfile_URL = '' " Start with nothing so that s:donedict is reset.
16 " This function is used for the spellfile plugin.
17 function! spellfile#LoadFile(lang)
18 " If the netrw plugin isn't loaded we silently skip everything.
21 echomsg 'spellfile#LoadFile(): Nread command is not available.'
26 " If the URL changes we try all files again.
27 if s:spellfile_URL != g:spellfile_URL
29 let s:spellfile_URL = g:spellfile_URL
32 " I will say this only once!
33 if has_key(s:donedict, a:lang . &enc)
35 echomsg 'spellfile#LoadFile(): Tried this language/encoding before.'
39 let s:donedict[a:lang . &enc] = 1
41 " Find spell directories we can write in.
42 let [dirlist, dirchoices] = spellfile#GetDirChoices()
44 let dir_to_create = spellfile#WritableSpellDir()
45 if &verbose || dir_to_create != ''
46 echomsg 'spellfile#LoadFile(): There is no writable spell directory.'
48 if dir_to_create != ''
49 if confirm("Shall I create " . dir_to_create, "&Yes\n&No", 2) == 1
50 " After creating the directory it should show up in the list.
51 call mkdir(dir_to_create, "p")
52 let [dirlist, dirchoices] = spellfile#GetDirChoices()
60 let msg = 'Cannot find spell file for "' . a:lang . '" in ' . &enc
61 let msg .= "\nDo you want me to try downloading it?"
62 if confirm(msg, "&Yes\n&No", 2) == 1
64 if enc == 'iso-8859-15'
67 let fname = a:lang . '.' . enc . '.spl'
69 " Split the window, read the file into a new buffer.
70 " Remember the buffer number, we check it below.
72 let newbufnr = winbufnr(0)
74 echo 'Downloading ' . fname . '...'
75 call spellfile#Nread(fname)
76 if getline(2) !~ 'VIMspell'
77 " Didn't work, perhaps there is an ASCII one.
78 " Careful: Nread() may have opened a new window for the error message,
79 " we need to go back to our own buffer and window.
80 if newbufnr != winbufnr(0)
81 let winnr = bufwinnr(newbufnr)
83 " Our buffer has vanished!? Open a new window.
84 echomsg "download buffer disappeared, opening a new one"
88 exe winnr . "wincmd w"
91 if newbufnr == winbufnr(0)
92 " We are back the old buffer, remove any (half-finished) download.
95 let newbufnr = winbufnr(0)
98 let fname = a:lang . '.ascii.spl'
99 echo 'Could not find it, trying ' . fname . '...'
100 call spellfile#Nread(fname)
101 if getline(2) !~ 'VIMspell'
102 echo 'Sorry, downloading failed'
103 exe newbufnr . "bwipe!"
108 " Delete the empty first line and mark the file unmodified.
112 let msg = "In which directory do you want to write the file:"
113 for i in range(len(dirlist))
114 let msg .= "\n" . (i + 1) . '. ' . dirlist[i]
116 let dirchoice = confirm(msg, dirchoices) - 2
118 if exists('*fnameescape')
119 let dirname = fnameescape(dirlist[dirchoice])
121 let dirname = escape(dirlist[dirchoice], ' ')
123 exe "write " . dirname . '/' . fname
125 " Also download the .sug file, if the user wants to.
126 let msg = "Do you want me to try getting the .sug file?\n"
127 let msg .= "This will improve making suggestions for spelling mistakes,\n"
128 let msg .= "but it uses quite a bit of memory."
129 if confirm(msg, "&No\n&Yes") == 2
131 let fname = substitute(fname, '\.spl$', '.sug', '')
132 echo 'Downloading ' . fname . '...'
133 call spellfile#Nread(fname)
134 if getline(2) =~ 'VIMsug'
136 exe "write " . dirname . '/' . fname
139 echo 'Sorry, downloading failed'
140 " Go back to our own buffer/window, Nread() may have taken us to
142 if newbufnr != winbufnr(0)
143 let winnr = bufwinnr(newbufnr)
145 exe winnr . "wincmd w"
148 if newbufnr == winbufnr(0)
155 " Wipe out the buffer we used.
156 exe newbufnr . "bwipe"
160 " Read "fname" from the server.
161 function! spellfile#Nread(fname)
162 " We do our own error handling, don't want a window for it.
163 if exists("g:netrw_use_errorwindow")
164 let save_ew = g:netrw_use_errorwindow
166 let g:netrw_use_errorwindow=0
168 if g:spellfile_URL =~ '^ftp://'
169 " for an ftp server use a default login and password to avoid a prompt
170 let machine = substitute(g:spellfile_URL, 'ftp://\([^/]*\).*', '\1', '')
171 let dir = substitute(g:spellfile_URL, 'ftp://[^/]*/\(.*\)', '\1', '')
172 exe 'Nread "' . machine . ' anonymous vim7user ' . dir . '/' . a:fname . '"'
174 exe 'Nread ' g:spellfile_URL . '/' . a:fname
178 let g:netrw_use_errorwindow = save_ew
180 unlet g:netrw_use_errorwindow
184 " Get a list of writable spell directories and choices for confirm().
185 function! spellfile#GetDirChoices()
187 let dirchoices = '&Cancel'
188 for dir in split(globpath(&rtp, 'spell'), "\n")
189 if filewritable(dir) == 2
190 call add(dirlist, dir)
191 let dirchoices .= "\n&" . len(dirlist)
194 return [dirlist, dirchoices]
197 function! spellfile#WritableSpellDir()
199 " For Unix always use the $HOME/.vim directory
200 return $HOME . "/.vim/spell"
202 for dir in split(&rtp, ',')
203 if filewritable(dir) == 2
204 return dir . "/spell"