1 files changed, 228 insertions, 0 deletions
diff --git a/vim/bundle/vim-snipmate/autoload/snipmate/jumping.vim b/vim/bundle/vim-snipmate/autoload/snipmate/jumping.vim
new file mode 100644
index 0000000..aaf65ab
--- /dev/null
+++ b/vim/bundle/vim-snipmate/autoload/snipmate/jumping.vim
@@ -0,0 +1,228 @@
+function! s:sfile() abort
+	return expand('<sfile>')
+endfunction
+
+let s:state_proto = {}
+
+function! snipmate#jumping#state() abort
+	return copy(s:state_proto)
+endfunction
+
+function! s:listize_mirror(mirrors) abort
+	return map(copy(a:mirrors), '[v:val.line, v:val.col]')
+endfunction
+
+" Removes snippet state info
+function! s:state_remove() dict abort
+	" Remove all autocmds in group snipmate_changes in the current buffer
+	unlet! b:snip_state
+	silent! au! snipmate_changes * <buffer>
+endfunction
+
+function! s:state_find_next_stop(backwards) dict abort
+	let self.stop_no += a:backwards? -1 : 1
+	while !has_key(self.stops, self.stop_no)
+		if self.stop_no == self.stop_count
+			let self.stop_no = 0
+		endif
+		if self.stop_no <= 0 && a:backwards
+			let self.stop_no = self.stop_count - 1
+		endif
+		let self.stop_no += a:backwards? -1 : 1
+	endwhile
+endfunction
+
+" Update state information to correspond to the given tab stop
+function! s:state_set_stop(backwards) dict abort
+	call self.find_next_stop(a:backwards)
+	let self.cur_stop    = self.stops[self.stop_no]
+	let self.stop_len = (type(self.cur_stop.placeholder) == type(0))
+				\ ? self.cur_stop.placeholder
+				\ : len(snipMate#placeholder_str(self.stop_no, self.stops))
+	let self.start_col   = self.cur_stop.col
+	let self.end_col     = self.start_col + self.stop_len
+	let self.mirrors     = get(self.cur_stop, 'mirrors', [])
+	let self.old_mirrors = deepcopy(self.mirrors)
+	call cursor(self.cur_stop.line, self.cur_stop.col)
+	let self.prev_len    = col('$')
+	let self.changed = 0
+	let ret = self.select_word()
+	if (self.stop_no == 0 || self.stop_no == self.stop_count - 1) && !a:backwards
+		call self.remove()
+	endif
+	return ret
+endfunction
+
+" Jump to the next/previous tab stop
+function! s:state_jump_stop(backwards) dict abort
+	" Update changes just in case
+	" This seems to be only needed because insert completion does not trigger
+	" the CursorMovedI event
+	call self.update_changes()
+
+	" Store placeholder/location changes
+	let self.cur_stop.col = self.start_col
+	if self.changed
+		call self.remove_nested()
+		unlet! self.cur_stop.placeholder " avoid type error for old parsing version
+		let self.cur_stop.placeholder = [strpart(getline('.'),
+					\ self.start_col - 1, self.end_col - self.start_col)]
+	endif
+
+	return self.set_stop(a:backwards)
+endfunction
+
+function! s:state_remove_nested(...) dict abort
+	let id = a:0 ? a:1 : self.stop_no
+	if type(self.stops[id].placeholder) == type([])
+		for i in self.stops[id].placeholder
+			if type(i) == type([])
+				if type(i[1]) != type({})
+					call self.remove_nested(i[0])
+					call remove(self.stops, i[0])
+				else
+					call filter(self.stops[i[0]].mirrors, 'v:val isnot i[1]')
+				endif
+			endif
+			unlet i " Avoid E706
+		endfor
+	endif
+endfunction
+
+" Select the placeholder for the current tab stop
+function! s:state_select_word() dict abort
+	let len = self.stop_len
+	if !len | return '' | endif
+	let l = col('.') != 1 ? 'l' : ''
+	if &sel == 'exclusive'
+		return "\<esc>".l.'v'.len."l\<c-g>"
+	endif
+	return len == 1 ? "\<esc>".l.'gh' : "\<esc>".l.'v'.(len - 1)."l\<c-g>"
+endfunction
+
+" Update the snippet as text is typed. The self.update_mirrors() function does
+" the actual work.
+" If the cursor moves outside of a placeholder, call self.remove()
+function! s:state_update_changes() dict abort
+	let change_len = col('$') - self.prev_len
+	let self.changed = self.changed || change_len != 0
+	let self.end_col += change_len
+	let col = col('.')
+
+	if line('.') != self.cur_stop.line || col < self.start_col || col > self.end_col
+		return self.remove()
+	endif
+
+	call self.update(self.cur_stop, change_len, change_len)
+	if !empty(self.mirrors)
+		call self.update_mirrors(change_len)
+	endif
+
+	let self.prev_len = col('$')
+endfunction
+
+" Actually update the mirrors for any changed text
+function! s:state_update_mirrors(change) dict abort
+	let newWordLen = self.end_col - self.start_col
+	let newWord = strpart(getline('.'), self.start_col - 1, newWordLen)
+	let changeLen = a:change
+	let curLine = line('.')
+	let curCol = col('.')
+	let oldStartSnip = self.start_col
+	let i = 0
+
+	for mirror in self.mirrors
+		for stop in values(filter(copy(self.stops), 'v:key != 0'))
+			if type(stop.placeholder) == type(0)
+				if mirror.line == stop.line && mirror.col > stop.col
+							\ && mirror.col < stop.col + stop.placeholder
+					let stop.placeholder += changeLen
+				endif
+			endif
+		endfor
+
+		if has_key(mirror, 'oldSize')
+			" recover the old size deduce the endline
+			let oldSize = mirror.oldSize
+		else
+			" first time, we use the intitial size
+			let oldSize = strlen(newWord)
+		endif
+
+		" Split the line into three parts: the mirror, what's before it, and
+		" what's after it. Then combine them using the new mirror string.
+		" Subtract one to go from column index to byte index
+
+		let theline = getline(mirror.line)
+
+		" part before the current mirror
+		let beginline  = strpart(theline, 0, mirror.col - 1)
+
+		" current mirror transformation, and save size
+		let wordMirror= substitute(newWord, get(mirror, 'pat', ''), get(mirror, 'sub', ''), get(mirror, 'flags', ''))
+		let mirror.oldSize = strlen(wordMirror)
+
+		" end of the line, use the oldSize because with the transformation,
+		" the size of the mirror can be different from those of the snippet
+		let endline    = strpart(theline, mirror.col + oldSize -1)
+
+		" Update other object on the line
+		call self.update(mirror, changeLen, mirror.oldSize - oldSize)
+
+		" reconstruct the line
+		let update = beginline.wordMirror.endline
+
+		call setline(mirror.line, update)
+	endfor
+
+	" Reposition the cursor in case a var updates on the same line but before
+	" the current tabstop
+	if oldStartSnip != self.start_col || mode() == 'i'
+		call cursor(0, curCol + self.start_col - oldStartSnip)
+	endif
+endfunction
+
+function! s:state_find_update_objects(item) dict abort
+	let item = a:item
+	let item.update_objects = []
+
+	" Filter the zeroth stop because it's duplicated as the last
+	for stop in values(filter(copy(self.stops), 'v:key != 0'))
+		if stop.line == item.line && stop.col > item.col
+			call add(item.update_objects, stop)
+		endif
+
+		for mirror in get(stop, 'mirrors', [])
+			if mirror.line == item.line && mirror.col > item.col
+				call add(item.update_objects, mirror)
+			endif
+		endfor
+	endfor
+
+	return item.update_objects
+endfunction
+
+function! s:state_update(item, change_len, mirror_change) dict abort
+	let item = a:item
+	if !exists('item.update_objects')
+		let item.update_objects = self.find_update_objects(a:item)
+	endif
+	let to_update = item.update_objects
+
+	for obj in to_update
+		" object does not necessarly have the same decalage
+		" than mirrors if mirrors use regexp
+		let obj.col += a:mirror_change
+		if obj is self.cur_stop
+			let self.start_col += a:change_len
+			let self.end_col += a:change_len
+		endif
+	endfor
+endfunction
+
+call extend(s:state_proto, snipmate#util#add_methods(s:sfile(), 'state',
+			\ [ 'remove', 'set_stop', 'jump_stop', 'remove_nested',
+			\ 'select_word', 'update_changes', 'update_mirrors',
+			\ 'find_next_stop', 'find_update_objects', 'update' ]), 'error')
+
+" vim:noet:sw=4:ts=4:ft=vim