vim-easymotion/autoload/vital/_easymotion/Over/String.vim
2015-06-28 23:01:55 +09:00

150 lines
3.2 KiB
VimL

scriptencoding utf-8
let s:save_cpo = &cpo
set cpo&vim
function! s:_vital_loaded(V)
let s:V = a:V
let s:List = s:V.import("Data.List")
endfunction
function! s:_vital_depends()
return [
\ "Data.List",
\ ]
endfunction
function! s:_clamp(x, max, min)
return min([max([a:x, a:max]), a:min])
endfunction
let s:base = {}
function! s:base.set(item)
return type(a:item) == type("") ? self.set_str(a:item)
\ : type(a:item) == type(0) ? self.set_pos(a:item)
\ : self
endfunction
function! s:base.str()
return join(self.list, "")
endfunction
function! s:base.set_pos(pos)
let self.col = s:_clamp(a:pos, 0, self.length())
return self
endfunction
function! s:base.backward()
return self.col > 0 ? join(self.list[ : self.col-1], '') : ""
endfunction
function! s:base.forward()
return join(self.list[self.col+1 : ], '')
endfunction
function! s:base.pos_char()
return get(self.list, self.col, "")
endfunction
function! s:base.set_str(str)
let self.list = split(a:str, '\zs')
let self.col = strchars(a:str)
return self
endfunction
function! s:base.pos()
return self.col
endfunction
function! s:base.input(str)
call extend(self.list, split(a:str, '\zs'), self.col)
let self.col += len(split(a:str, '\zs'))
return self
endfunction
function! s:base.length()
return len(self.list)
endfunction
function! s:base.next()
return self.set_pos(self.col + 1)
endfunction
function! s:base.prev()
return self.set_pos(self.col - 1)
endfunction
function! s:base.remove(index)
if a:index < 0 || self.length() <= a:index
return ""
endif
let result = self.list[a:index]
unlet self.list[a:index]
if a:index < self.col
call self.set(self.col - 1)
endif
return result
endfunction
function! s:base.remove_pos()
return self.remove(self.col)
endfunction
function! s:base.remove_prev()
return self.remove(self.col - 1)
endfunction
function! s:base.remove_next()
return self.remove(self.col + 1)
endfunction
function! s:make(...)
let default = get(a:, 1, "")
let result = deepcopy(s:base)
call result.set(default)
return result
endfunction
" NOTE: old regexpengine has a bug with string which contains binary
" :echo "\x80" =~ "\\%#=1\x80" | " => 0
" But it matches correctly with :h /collection
" :echo "\x80" =~ "\\%#=1[\x80]" | " => 1
" http://lingr.com/room/vim/archives/2015/02/13#message-21261450
let s:_engine = exists("+regexpengine") ? '\%#=2' : ''
" \<A-]> => Û\xfdQ
" \<A-@> => À\xfeX
let s:_regex = exists("+regexpengine")
\ ? "\\%(Û\xfdQ\\|À\xfeX\\|\x80\xfc.\\%(\x80..\\|.\\)\\|\x80..\\|.\\)\\zs"
\ : "\\%(Û[\xfd]Q\\|À[\xfe]X\\|[\x80][\xfc].\\%([\x80]..\\|.\\)\\|[\x80]..\\|.\\)\\zs"
function! s:_split_keystring(str, ...)
return split(a:str, s:_engine . '\m\%(' . get(a:, 1, '') . s:_regex . '\)')
endfunction
function! s:split_by_keys(str)
return s:_split_keystring(a:str, "\\%(\<Plug>\\|<Over>\\)(.\\{-})\\zs\\|")
endfunction
function! s:index(haystack, needle, ...)
let start = get(a:, 1, 0)
let ignorecase = get(a:, 2, &ignorecase)
if ignorecase
return stridx(tolower(a:haystack), tolower(a:needle), start)
else
return stridx(a:haystack, a:needle, start)
endif
endfunction
function! s:length(str)
return len(s:split_by_keys(a:str))
endfunction
let &cpo = s:save_cpo
unlet s:save_cpo