ee299579c7
That version addded `:doau <nomodeline>`. Soon this plugin will be Vim 8+ only anyway. Fixes https://github.com/mhinz/vim-signify/issues/301
309 lines
8.9 KiB
VimL
309 lines
8.9 KiB
VimL
" vim: et sw=2 sts=2
|
||
|
||
scriptencoding utf-8
|
||
|
||
" Init: values {{{1
|
||
if get(g:, 'signify_sign_show_text', 1)
|
||
let s:sign_delete = get(g:, 'signify_sign_delete', '_')
|
||
else
|
||
let s:sign_delete = ' '
|
||
endif
|
||
|
||
let s:sign_show_count = get(g:, 'signify_sign_show_count', 1)
|
||
let s:delete_highlight = ['', 'SignifyLineDelete']
|
||
|
||
" Function: #id_next {{{1
|
||
function! sy#sign#id_next(sy) abort
|
||
let id = a:sy.signid
|
||
let a:sy.signid += 1
|
||
return id
|
||
endfunction
|
||
|
||
" Function: #get_current_signs {{{1
|
||
function! sy#sign#get_current_signs(sy) abort
|
||
let a:sy.internal = {}
|
||
let a:sy.external = {}
|
||
|
||
let signlist = sy#util#execute('sign place buffer='. a:sy.buffer)
|
||
|
||
for signline in split(signlist, '\n')[2:]
|
||
let tokens = matchlist(signline, '\v^\s+\S+\=(\d+)\s+\S+\=(\d+)\s+\S+\=(.*)$')
|
||
let line = str2nr(tokens[1])
|
||
let id = str2nr(tokens[2])
|
||
let type = tokens[3]
|
||
|
||
if type =~# '^Signify'
|
||
" Handle ambiguous signs. Assume you have signs on line 3 and 4.
|
||
" Removing line 3 would lead to the second sign to be shifted up
|
||
" to line 3. Now there are still 2 signs, both one line 3.
|
||
if has_key(a:sy.internal, line)
|
||
execute 'sign unplace' a:sy.internal[line].id 'buffer='.a:sy.buffer
|
||
endif
|
||
let a:sy.internal[line] = { 'type': type, 'id': id }
|
||
else
|
||
let a:sy.external[line] = id
|
||
endif
|
||
endfor
|
||
endfunction
|
||
|
||
|
||
" Function: #process_diff {{{1
|
||
function! sy#sign#process_diff(sy, vcs, diff) abort
|
||
let a:sy.signtable = {}
|
||
let a:sy.hunks = []
|
||
let [added, modified, deleted] = [0, 0, 0]
|
||
|
||
call sy#sign#get_current_signs(a:sy)
|
||
|
||
" Determine where we have to put our signs.
|
||
for line in filter(a:diff, 'v:val =~ "^@@ "')
|
||
let a:sy.lines = []
|
||
let ids = []
|
||
|
||
let [old_line, new_line, old_count, new_count] = sy#sign#parse_hunk(line)
|
||
|
||
" Workaround for non-conventional diff output in older Fossil versions:
|
||
" https://fossil-scm.org/forum/forumpost/834ce0f1e1
|
||
" Fixed as of: https://fossil-scm.org/index.html/info/7fd2a3652ea7368a
|
||
if a:vcs == 'fossil' && new_line == 0
|
||
let new_line = old_line - 1 - deleted
|
||
endif
|
||
|
||
" 2 lines added:
|
||
|
||
" @@ -5,0 +6,2 @@ this is line 5
|
||
" +this is line 5
|
||
" +this is line 5
|
||
if (old_count == 0) && (new_count >= 1)
|
||
let added += new_count
|
||
let offset = 0
|
||
while offset < new_count
|
||
let line = new_line + offset
|
||
let offset += 1
|
||
if s:external_sign_present(a:sy, line) | continue | endif
|
||
call add(ids, s:add_sign(a:sy, line, 'SignifyAdd'))
|
||
endwhile
|
||
|
||
" 2 lines removed:
|
||
|
||
" @@ -6,2 +5,0 @@ this is line 5
|
||
" -this is line 6
|
||
" -this is line 7
|
||
elseif (old_count >= 1) && (new_count == 0)
|
||
if s:external_sign_present(a:sy, new_line) | continue | endif
|
||
let deleted += old_count
|
||
if new_line == 0
|
||
call add(ids, s:add_sign(a:sy, 1, 'SignifyRemoveFirstLine'))
|
||
elseif s:sign_show_count
|
||
let text = s:sign_delete . (old_count <= 99 ? old_count : '>')
|
||
while strwidth(text) > 2
|
||
let text = substitute(text, '.', '', '')
|
||
endwhile
|
||
call add(ids, s:add_sign(a:sy, new_line, 'SignifyDelete'. old_count, text))
|
||
else
|
||
call add(ids, s:add_sign(a:sy, new_line, 'SignifyDeleteMore', s:sign_delete))
|
||
endif
|
||
|
||
" 2 lines changed:
|
||
|
||
" @@ -5,2 +5,2 @@ this is line 4
|
||
" -this is line 5
|
||
" -this is line 6
|
||
" +this os line 5
|
||
" +this os line 6
|
||
elseif old_count == new_count
|
||
let modified += old_count
|
||
let offset = 0
|
||
while offset < new_count
|
||
let line = new_line + offset
|
||
let offset += 1
|
||
if s:external_sign_present(a:sy, line) | continue | endif
|
||
call add(ids, s:add_sign(a:sy, line, 'SignifyChange'))
|
||
endwhile
|
||
else
|
||
|
||
" 2 lines changed; 2 lines removed:
|
||
|
||
" @@ -5,4 +5,2 @@ this is line 4
|
||
" -this is line 5
|
||
" -this is line 6
|
||
" -this is line 7
|
||
" -this is line 8
|
||
" +this os line 5
|
||
" +this os line 6
|
||
if old_count > new_count
|
||
let modified += new_count
|
||
let removed = old_count - new_count
|
||
let deleted += removed
|
||
let offset = 0
|
||
while offset < new_count - 1
|
||
let line = new_line + offset
|
||
let offset += 1
|
||
if s:external_sign_present(a:sy, line) | continue | endif
|
||
call add(ids, s:add_sign(a:sy, line, 'SignifyChange'))
|
||
endwhile
|
||
let line = new_line + offset
|
||
if s:external_sign_present(a:sy, line) | continue | endif
|
||
call add(ids, s:add_sign(a:sy, line, (removed > 9)
|
||
\ ? 'SignifyChangeDeleteMore'
|
||
\ : 'SignifyChangeDelete'. removed))
|
||
|
||
" lines changed and added:
|
||
|
||
" @@ -5 +5,3 @@ this is line 4
|
||
" -this is line 5
|
||
" +this os line 5
|
||
" +this is line 42
|
||
" +this is line 666
|
||
else
|
||
let modified += old_count
|
||
let offset = 0
|
||
while offset < old_count
|
||
let line = new_line + offset
|
||
let offset += 1
|
||
if s:external_sign_present(a:sy, line) | continue | endif
|
||
call add(ids, s:add_sign(a:sy, line, 'SignifyChange'))
|
||
endwhile
|
||
while offset < new_count
|
||
let added += 1
|
||
let line = new_line + offset
|
||
let offset += 1
|
||
if s:external_sign_present(a:sy, line) | continue | endif
|
||
call add(ids, s:add_sign(a:sy, line, 'SignifyAdd'))
|
||
endwhile
|
||
endif
|
||
endif
|
||
|
||
if !empty(ids)
|
||
call add(a:sy.hunks, {
|
||
\ 'ids' : ids,
|
||
\ 'start': a:sy.lines[0],
|
||
\ 'end' : a:sy.lines[-1] })
|
||
endif
|
||
endfor
|
||
|
||
" Remove obsoleted signs.
|
||
for line in filter(keys(a:sy.internal), '!has_key(a:sy.signtable, v:val)')
|
||
execute 'sign unplace' a:sy.internal[line].id 'buffer='.a:sy.buffer
|
||
endfor
|
||
|
||
if has('gui_macvim') && has('gui_running') && mode() == 'n'
|
||
" MacVim needs an extra kick in the butt, when setting signs from the
|
||
" exit handler. :redraw would trigger a "hanging cursor" issue.
|
||
call feedkeys("\<c-l>", 'n')
|
||
endif
|
||
|
||
if empty(a:sy.updated_by) && empty(a:sy.hunks)
|
||
call sy#verbose('Successful exit value, but no diff. Keep VCS for time being.', a:vcs)
|
||
return
|
||
endif
|
||
|
||
call sy#verbose('Signs updated.', a:vcs)
|
||
let a:sy.updated_by = a:vcs
|
||
if len(a:sy.vcs) > 1
|
||
call sy#verbose('Disable all other VCS.', a:vcs)
|
||
let a:sy.vcs = [a:vcs]
|
||
endif
|
||
|
||
let a:sy.stats = [added, modified, deleted]
|
||
endfunction
|
||
|
||
" Function: #remove_all_signs {{{1
|
||
function! sy#sign#remove_all_signs(bufnr) abort
|
||
let sy = getbufvar(a:bufnr, 'sy')
|
||
|
||
for hunk in sy.hunks
|
||
for id in hunk.ids
|
||
execute 'sign unplace' id 'buffer='.a:bufnr
|
||
endfor
|
||
endfor
|
||
|
||
let sy.hunks = []
|
||
endfunction
|
||
|
||
" Function: #parse_hunk {{{1
|
||
" Parse a hunk as '@@ -273,3 +267,14' into [old_line, new_line, old_count, new_count]
|
||
function! sy#sign#parse_hunk(diffline) abort
|
||
let tokens = matchlist(a:diffline, '^@@ -\v(\d+),?(\d*) \+(\d+),?(\d*)')
|
||
return [
|
||
\ str2nr(tokens[1]),
|
||
\ str2nr(tokens[3]),
|
||
\ empty(tokens[2]) ? 1 : str2nr(tokens[2]),
|
||
\ empty(tokens[4]) ? 1 : str2nr(tokens[4])
|
||
\ ]
|
||
endfunction
|
||
|
||
" Function: #set_signs {{{1
|
||
function! sy#sign#set_signs(sy, vcs, diff) abort
|
||
call sy#verbose('sy#sign#set_signs()', a:vcs)
|
||
|
||
if a:sy.stats == [-1, -1, -1]
|
||
let a:sy.stats = [0, 0, 0]
|
||
endif
|
||
|
||
if empty(a:diff)
|
||
call sy#verbose('No changes found.', a:vcs)
|
||
let a:sy.stats = [0, 0, 0]
|
||
call sy#sign#remove_all_signs(a:sy.buffer)
|
||
return
|
||
endif
|
||
|
||
if get(g:, 'signify_line_highlight')
|
||
call sy#highlight#line_enable()
|
||
else
|
||
call sy#highlight#line_disable()
|
||
endif
|
||
|
||
call sy#sign#process_diff(a:sy, a:vcs, a:diff)
|
||
|
||
if exists('#User#Signify')
|
||
doautocmd <nomodeline> User Signify
|
||
endif
|
||
endfunction
|
||
|
||
" Function: s:add_sign {{{1
|
||
function! s:add_sign(sy, line, type, ...) abort
|
||
call add(a:sy.lines, a:line)
|
||
let a:sy.signtable[a:line] = 1
|
||
|
||
if has_key(a:sy.internal, a:line)
|
||
" There is a sign on this line already.
|
||
if a:type == a:sy.internal[a:line].type
|
||
" Keep current sign since the new one is of the same type.
|
||
return a:sy.internal[a:line].id
|
||
else
|
||
" Update sign by overwriting the ID of the current sign.
|
||
let id = a:sy.internal[a:line].id
|
||
endif
|
||
endif
|
||
|
||
if !exists('id')
|
||
let id = sy#sign#id_next(a:sy)
|
||
endif
|
||
|
||
if a:type =~# 'SignifyDelete'
|
||
execute printf('sign define %s text=%s texthl=SignifySignDelete linehl=%s',
|
||
\ a:type,
|
||
\ a:1,
|
||
\ s:delete_highlight[g:signify_line_highlight])
|
||
endif
|
||
execute printf('sign place %d line=%d name=%s buffer=%s',
|
||
\ id,
|
||
\ a:line,
|
||
\ a:type,
|
||
\ a:sy.buffer)
|
||
|
||
return id
|
||
endfunction
|
||
|
||
" Function: s:external_sign_present {{{1
|
||
function! s:external_sign_present(sy, line) abort
|
||
if has_key(a:sy.external, a:line)
|
||
if has_key(a:sy.internal, a:line)
|
||
" Remove Sy signs from lines with other signs.
|
||
execute 'sign unplace' a:sy.internal[a:line].id 'buffer='.a:sy.buffer
|
||
endif
|
||
return 1
|
||
endif
|
||
endfunction
|