"添加国际化函数
fun! AddGettextMark(findstart, base)
  if a:findstart
    let line = getline('.')
    let start = col('.') - 1
    return start
  else
    "gettext函数名
    let func = '_i'
    let res = []
    let se = getreg('*') 
    let ext = expand('%:e')
    let qt = "'"
    
    if se =~ "[']"
        let qt = '"' 
    endif

    let sq = qt 
    let eq = qt 

    if ext == 'php'
        let ad = '.'
    else
        let ad = '+'
    endif

    if se[0] == "'" || se[0] == '"'
        let sq = '' 
    endif

    if se[strlen(se) - 1] == "'" || se[strlen(se) - 1] == '"'
        let eq = '' 
    endif

    if ext == 'php'
        call add(res, '<?php echo ' . func . "(" . sq . se . eq . ");?>")
    endif

    call add(res, func . "(" . sq . se . eq . ")")
    call add(res, "' " . ad . " " . func . "(" . sq . se . eq . ") " . ad . " '")
    call add(res, '" ' . ad . ' ' . func . '(' . sq . se . eq . ') ' . ad . ' "')
    return res
  endif
endfun

command -nargs=0 GettextMarkStart :call GettextMarkStart()
fun! GettextMarkStart()
    set completefunc=AddGettextMark
    vmap _ xi<C-x><C-u>
endfun