vim-easymotion/autoload/vital/_easymotion/Over/String.vim
2014-02-05 14:16:23 +09:00

102 lines
1.9 KiB
VimL

scriptencoding utf-8
let s:save_cpo = &cpo
set cpo&vim
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_word()
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 self
endif
unlet self.list[a:index]
if a:index < self.col
call self.set(self.col - 1)
endif
return self
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
let &cpo = s:save_cpo
unlet s:save_cpo