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if exists('g:loaded_syntastic_notifier_cursor') || !exists('g:loaded_syntastic_plugin')
finish
endif
let g:loaded_syntastic_notifier_cursor = 1
let g:SyntasticCursorNotifier = {}
" Public methods {{{1
function! g:SyntasticCursorNotifier.New() abort " {{{2
let newObj = copy(self)
return newObj
endfunction " }}}2
function! g:SyntasticCursorNotifier.enabled() abort " {{{2
return syntastic#util#var('echo_current_error')
endfunction " }}}2
function! g:SyntasticCursorNotifier.refresh(loclist) abort " {{{2
if self.enabled() && !a:loclist.isEmpty()
call syntastic#log#debug(g:_SYNTASTIC_DEBUG_NOTIFICATIONS, 'cursor: refresh')
let b:syntastic_private_messages = copy(a:loclist.messages(bufnr('')))
let b:syntastic_private_line = -1
let b:syntastic_cursor_columns = a:loclist.getCursorColumns()
autocmd! syntastic CursorMoved
autocmd syntastic CursorMoved * call SyntasticRefreshCursor()
endif
endfunction " }}}2
" @vimlint(EVL103, 1, a:loclist)
function! g:SyntasticCursorNotifier.reset(loclist) abort " {{{2
call syntastic#log#debug(g:_SYNTASTIC_DEBUG_NOTIFICATIONS, 'cursor: reset')
autocmd! syntastic CursorMoved
unlet! b:syntastic_private_messages
let b:syntastic_private_line = -1
endfunction " }}}2
" @vimlint(EVL103, 0, a:loclist)
" }}}1
" Private functions {{{1
function! SyntasticRefreshCursor() abort " {{{2
if !exists('b:syntastic_private_messages') || empty(b:syntastic_private_messages)
" file not checked
return
endif
if !exists('b:syntastic_private_line')
let b:syntastic_private_line = -1
endif
let l = line('.')
let current_messages = get(b:syntastic_private_messages, l, {})
if !exists('b:syntastic_cursor_columns')
let b:syntastic_cursor_columns = g:syntastic_cursor_columns
endif
if b:syntastic_cursor_columns
let c = virtcol('.')
if !exists('b:syntastic_private_idx')
let b:syntastic_private_idx = -1
endif
if s:_is_same_index(l, b:syntastic_private_line, c, b:syntastic_private_idx, current_messages)
return
else
let b:syntastic_private_line = l
endif
if !empty(current_messages)
let b:syntastic_private_idx = s:_find_index(c, current_messages)
call syntastic#util#wideMsg(current_messages[b:syntastic_private_idx].text)
else
let b:syntastic_private_idx = -1
echo
endif
else
if l == b:syntastic_private_line
return
endif
let b:syntastic_private_line = l
if !empty(current_messages)
call syntastic#util#wideMsg(current_messages[0].text)
else
echo
endif
endif
endfunction " }}}2
" }}}1
" Utilities {{{1
function! s:_is_same_index(line, old_line, column, idx, messages) abort " {{{2
if a:old_line >= 0 && a:line == a:old_line && a:idx >= 0
if len(a:messages) <= 1
return 1
endif
if a:messages[a:idx].scol <= a:column || a:idx == 0
if a:idx == len(a:messages) - 1 || a:column < a:messages[a:idx + 1].scol
return 1
else
return 0
endif
else
return 0
endif
else
return 0
endif
endfunction " }}}2
function! s:_find_index(column, messages) abort " {{{2
let max = len(a:messages) - 1
if max == 0
return 0
endif
let min = 0
" modified binary search: assign index 0 to columns to the left of the first error
while min < max - 1
let mid = (min + max) / 2
if a:column < a:messages[mid].scol
let max = mid
else
let min = mid
endif
endwhile
return a:column < a:messages[max].scol ? min : max
endfunction " }}}2
" }}}1
" vim: set sw=4 sts=4 et fdm=marker:
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