如何控制链接方法调用的clang格式缩进? [英] How to control clang-format indentation of chained method calls?

问题描述

我希望结果看起来像这样:

I want the results to look like this:

auto foo = FooBuilder()
    .WithSomething()
    .WithSomethingElse()
    .Build();

，但是 clang-format 的格式如下:

auto foo = FooBuilder()
               .WithSomething()
               .WithSomethingElse()
               .Build();

我希望链接的调用相对于上一行的开头缩进，而不是相对于 FooBuilder()调用而缩进.我没有在 clang-format 选项中控制它的任何内容.设置 ContinuationIndentWidth 无效.有什么想法吗?

I want the chained calls to be indented relative to the beginning of the preceding line, not relative to the FooBuilder() call. I don't see anything in the clang-format options that control this. Setting ContinuationIndentWidth does not help. Any ideas?

推荐答案

不幸的是，这似乎是不可能的..我发现唯一会影响这一点的选项是 ContinuationIndentWidth ，就像您说的那样，它并没有执行您想要的操作.

Unfortunately, this appears to be not possible. The only option I have found that affects this at all is ContinuationIndentWidth, which, as you said, doesn't do what you want.

我个人将要做的是使用以下正则表达式查找已分解的链接方法调用:

What I personally would do is use the following regex to find chained method calls that have been broken up:

\)\ s + \.

它将匹配一个右括号，1个或多个空格字符(但不为0)和一个句点.您可能没有太多实例，因此您可以手动修复它们，然后为这些行禁用clang-format，以便将来不再使用它:

It will match a closing parenthesis, 1 or more whitespace characters (but not 0), and a period. You probably don't have too many instances of this, so you could just fix them manually, and then disable clang-format for those lines so it leaves it alone in the future:

// clang-format off

auto friggin_cool_object = SuperCoolBuilder().do_what_i_want()
    .figure()
    .out()
    .the()
    .params()
    .too();

// clang-format on

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