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Diffstat (limited to 'vhosts/blog/public/posts/2021-10-02/vim-swap-order-of-selected-lines/index.html')
| -rw-r--r-- | vhosts/blog/public/posts/2021-10-02/vim-swap-order-of-selected-lines/index.html | 47 |
1 files changed, 27 insertions, 20 deletions
diff --git a/vhosts/blog/public/posts/2021-10-02/vim-swap-order-of-selected-lines/index.html b/vhosts/blog/public/posts/2021-10-02/vim-swap-order-of-selected-lines/index.html index 00a6265b..afee803f 100644 --- a/vhosts/blog/public/posts/2021-10-02/vim-swap-order-of-selected-lines/index.html +++ b/vhosts/blog/public/posts/2021-10-02/vim-swap-order-of-selected-lines/index.html @@ -14,8 +14,7 @@ <meta property="og:locale" content="ja_JP"> <link rel="icon" type="image/svg+xml" href="/favicon.svg"> <title>Vimで選択した行の順番を入れ替える｜REPL: Rest-Eat-Program Loop</title> - <link rel="stylesheet" href="/style.css?h=79020a898c7052f79b32e90376a4497d"> - <link rel="stylesheet" href="/hl.css?h=340e65ffd5c17713efc9107c06304f7b"> + <link rel="stylesheet" href="/style.css?h=60eb349e583f5bd51518a7eb98598043"> </head> <body class="single"> <header class="header"> @@ -69,11 +68,13 @@ <section id="section--tl-dr"> <h2><a href="#section--tl-dr">TL; DR</a></h2> - <pre class="highlight" language="vim"><code class="highlight"><span class="hljs-comment">" License: Public Domain</span> - -command! -bar -<span class="hljs-built_in">range</span>=% - \ Reverse - \ keeppatterns <span class="hljs-symbol"><line1></span>,<span class="hljs-symbol"><line2></span>g/^/<span class="hljs-keyword">m</span><span class="hljs-symbol"><line1></span>-<span class="hljs-number">1</span></code></pre> + <div class="codeblock" language="vim"> + <pre class="shiki github-light" style="background-color:#f5f5f5;color:#24292e" tabindex="0"><code><span class="line"><span style="color:#6A737D">" License: Public Domain</span></span> +<span class="line"></span> +<span class="line"><span style="color:#D73A49">command!</span><span style="color:#24292E"> -bar -</span><span style="color:#D73A49">range=</span><span style="color:#24292E">%</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> Reverse</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> keeppatterns <line1>,<line2>g</span><span style="color:#032F62">/^/</span><span style="color:#24292E">m<line1>-</span><span style="color:#005CC5">1</span></span></code></pre> + </div> </section> <section id="section--version"> @@ -142,9 +143,11 @@ command! -bar -<span class="hljs-built_in">range</span>=% なお、<code>:g/^/m0</code> は全ての行を入れ替えるが、<code>:N,Mg/^/mN-1</code> とすることで N行目から M行目を処理範囲とするよう拡張できる。手でこれを入力するわけにはいかないので、次のようなコマンドを用意する。 </p> - <pre class="highlight" language="vim"><code class="highlight">command! -bar -<span class="hljs-built_in">range</span>=% - \ Reverse - \ <span class="hljs-symbol"><line1></span>,<span class="hljs-symbol"><line2></span>g/^/<span class="hljs-keyword">m</span><span class="hljs-symbol"><line1></span>-<span class="hljs-number">1</span></code></pre> + <div class="codeblock" language="vim"> + <pre class="shiki github-light" style="background-color:#f5f5f5;color:#24292e" tabindex="0"><code><span class="line"><span style="color:#D73A49">command!</span><span style="color:#24292E"> -bar -</span><span style="color:#D73A49">range=</span><span style="color:#24292E">%</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> Reverse</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> <line1>,<line2>g</span><span style="color:#032F62">/^/</span><span style="color:#24292E">m<line1>-</span><span style="color:#005CC5">1</span></span></code></pre> + </div> <p> これは望みの動作をするが、実際に実行してみると全行がハイライトされてしまう。次節で詳細を述べる。 @@ -177,13 +180,15 @@ command! -bar -<span class="hljs-built_in">range</span>=% 前述した <code>:Reverse</code> コマンドの定義を少し変えて、次のようにする: </p> - <pre class="highlight" language="vim"><code class="highlight"><span class="hljs-keyword">function!</span> <span class="hljs-title">s</span>:reverse_lines<span class="hljs-params">(from, to)</span> abort - <span class="hljs-keyword">execute</span> <span class="hljs-built_in">printf</span>(<span class="hljs-string">"%d,%dg/^/m%d"</span>, <span class="hljs-variable">a:from</span>, <span class="hljs-variable">a:to</span>, <span class="hljs-variable">a:from</span> - <span class="hljs-number">1</span>) -<span class="hljs-keyword">endfunction</span> - -command! -bar -<span class="hljs-built_in">range</span>=% - \ Reverse - \ <span class="hljs-keyword">call</span> <span class="hljs-symbol"><SID></span>reverse_lines(<span class="hljs-symbol"><line1></span>, <span class="hljs-symbol"><line2></span>)</code></pre> + <div class="codeblock" language="vim"> + <pre class="shiki github-light" style="background-color:#f5f5f5;color:#24292e" tabindex="0"><code><span class="line"><span style="color:#D73A49">function!</span><span style="color:#6F42C1"> s:reverse_lines</span><span style="color:#24292E">(from, </span><span style="color:#005CC5">to</span><span style="color:#24292E">) </span><span style="color:#D73A49">abort</span></span> +<span class="line"><span style="color:#005CC5"> execute</span><span style="color:#6F42C1"> printf</span><span style="color:#24292E">(</span><span style="color:#032F62">"%d,%dg/^/m%d"</span><span style="color:#24292E">, a:from, a:to, a:from</span><span style="color:#D73A49"> - </span><span style="color:#005CC5">1</span><span style="color:#24292E">)</span></span> +<span class="line"><span style="color:#D73A49">endfunction</span></span> +<span class="line"></span> +<span class="line"><span style="color:#D73A49">command!</span><span style="color:#24292E"> -bar -</span><span style="color:#D73A49">range=</span><span style="color:#24292E">%</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> Reverse</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#D73A49"> call</span><span style="color:#24292E"> <</span><span style="color:#005CC5">SID</span><span style="color:#24292E">></span><span style="color:#6F42C1">reverse_lines</span><span style="color:#24292E">(<line1>, <line2>)</span></span></code></pre> + </div> <p> 実行しているコマンドが変わったわけではないが、関数呼び出しを経由するようにした。これだけで前述の問題が解決する。 @@ -234,9 +239,11 @@ command! -bar -<span class="hljs-built_in">range</span>=% </p> </blockquote> - <pre class="highlight" language="vim"><code class="highlight">command! -bar -<span class="hljs-built_in">range</span>=% - \ Reverse - \ keeppatterns <span class="hljs-symbol"><line1></span>,<span class="hljs-symbol"><line2></span>g/^/<span class="hljs-keyword">m</span><span class="hljs-symbol"><line1></span>-<span class="hljs-number">1</span></code></pre> + <div class="codeblock" language="vim"> + <pre class="shiki github-light" style="background-color:#f5f5f5;color:#24292e" tabindex="0"><code><span class="line"><span style="color:#D73A49">command!</span><span style="color:#24292E"> -bar -</span><span style="color:#D73A49">range=</span><span style="color:#24292E">%</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> Reverse</span></span> +<span class="line"><span style="color:#D73A49"> \</span><span style="color:#24292E"> keeppatterns <line1>,<line2>g</span><span style="color:#032F62">/^/</span><span style="color:#24292E">m<line1>-</span><span style="color:#005CC5">1</span></span></code></pre> + </div> <p> まさにこのための Exコマンド、<code>:keeppatterns</code> が存在する。<code>:keeppatterns {command}</code> のように使い、読んで字の如く、後ろに続く Exコマンドを「現在の検索パターンを保ったまま」実行する。はるかに分かりやすく意図を表現できる。 |