nvim 打开当前光标下文件

注意
本文最后更新于 2024-06-26,文中内容可能已过时。

有时我们需要临时配置或者修改文件,一般的做法是进入 visual 模式然后使用命令 gf 打开当前文件。这样的做法其实有点冗余,特别是当我们在线上排查问题时,希望能快速打开光标下的文件。

为此,我们可以定义一个函数,然后绑定快捷键即可迅速打开文件了

  • 定义一个函数 JumpOrCreateFile

    • 可以自动识别文件路径
    • 如果文件不存在,则提醒我们是否需要创建
  • 绑定快捷键 gf 方便操作

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vim.cmd([[
nnoremap <silent> gf :call JumpOrCreateFile()<CR>
function! JumpOrCreateFile()
    " Get the filename under the cursor
    let filename = expand("<cfile>")

    "--------------------------------------------------------------------------
    " split to get filename path
    if filename =~# ':'
        let expanded_filename = expand(split(filename, ":")[1])
    elseif filename =~# ','
        let expanded_filename = expand(split(filename, ",")[1])
    elseif filename =~# '='
        let expanded_filename = expand(split(filename, "=")[1])
    else
        let expanded_filename = expand(filename)
    endif
    "--------------------------------------------------------------------------

    " Check if the file path starts with "./"
    if expanded_filename =~# '^\.\/'
        " Get the current directory of the editing file
        let current_directory = expand('%:p:h')

        " Create the full path by appending the relative file path
        let expanded_filename = current_directory . '/' . expanded_filename
    endif

    " Check if the file exists
    if !filereadable(expanded_filename)
        " Prompt the user for file creation with the full path
        let choice = confirm('File does not exist. Create "' . expanded_filename . '"?', "&Yes\n&No", 1)
        " Handle the user's choice
        if choice == 1
            " Create the file and open it
            echohl WarningMsg | echo 'Created New File: ' . expanded_filename | echohl None
            execute 'edit ' . expanded_filename
        endif
    else
        " File exists, perform normal gf behavior
        echohl ModeMsg | echo 'Open File: ' . expanded_filename | echohl None
        " execute 'normal! gf'
        execute 'edit ' . expanded_filename
    endif
endfunction
]])
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