function! SpaceVim#api#iconv#codecs#utf32#import() abort return s:utf32 endfunction let s:base = SpaceVim#api#iconv#codecs#base#import() let s:utf32 = {} let s:utf32.Codec = {} call extend(s:utf32.Codec, s:base.Codec) let s:utf32.Codec.encoding = "UTF-32" let s:utf32.Codec.istate = 0 let s:utf32.Codec.ostate = 0 function! s:utf32.Codec.mbtowc(input, start) if a:start + 3 >= len(a:input) return self.error('UnicodeDecodeError', 'incomplete', a:input, a:start, len(a:input) - 1) endif let wc = self.istate \ ? a:input[a:start + 0] + (a:input[a:start + 1] * 0x100) + (a:input[a:start + 2] * 0x10000) + (a:input[a:start + 3] * 0x1000000) \ : (a:input[a:start + 0] * 0x1000000) + (a:input[a:start + 1] * 0x10000) + (a:input[a:start + 2] * 0x100) + a:input[a:start + 3] if wc == 0x0000feff return [[], a:start + 4] elseif wc == 0xfffe0000 let self.istate = !self.istate return [[], a:start + 4] else if wc >= 0 && wc < 0x110000 && !(wc >= 0xd800 && wc < 0xe000) return [[wc], a:start + 4] else return self.error('UnicodeDecodeError', 'invalid', a:input, a:start, a:start + 3) endif endif endfunction function! s:utf32.Codec.wctomb(input, start) let res = [] let wc = a:input[a:start] if wc >= 0 && wc < 0x110000 && !(wc >= 0xd800 && wc < 0xe000) if !self.ostate call add(res, 0x00) call add(res, 0x00) call add(res, 0xFE) call add(res, 0xFF) endif if wc >= 0 && wc < 0x110000 call add(res, 0x00) call add(res, wc / 0x10000 % 0x100) call add(res, wc / 0x100 % 0x100) call add(res, wc % 0x100) let self.ostate = 1 return [res, a:start + 1] endif endif return self.error('UnicodeEncodeError', 'invalid', a:input, a:start, a:start) endfunction