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ClangFormat-Xcode

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Xcode plug-in to to use clang-format from in Xcode and consistently format your code with Clang

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# ClangFormat-Xcode

An Xcode plug-in to format your code using Clang's format tools, by [@travisjeffery](https://twitter.com/travisjeffery).

With [clang-format](http://clang.llvm.org/docs/ClangFormat.html) you can use Clang to format your code to styles such as LLVM, Google, Chromium, Mozilla, WebKit, or your own configuration.

![usage](https://raw.github.com/travisjeffery/ClangFormat-Xcode/master/README/usage.png)

![demo](https://raw.github.com/travisjeffery/ClangFormat-Xcode/master/README/clangformat-xcode-demo.gif)

## Installation:

:warning: From XCode 8+, unsigning is required in order to use community-made plugins.
Check https://github.com/inket/update_xcode_plugins for more information.

Install via [Alcatraz](http://alcatraz.io/).

Clone this repo, build and run ClangFormat, restart Xcode.

## Removing ClangFormat

To remove ClangFormat, run the following in your terminal:

`rm -r "~/Library/Application Support/Developer/Shared/Xcode/Plug-ins/ClangFormat.xcplugin"`

Or just find the same file and move it to the trash. You'll need to restart Xcode after deleting the plugin.

## Usage:

### Format on save

I.e., you press `command-s` and the file is formatted and wrote to disk.

In the menu, open Edit > Clang Format > Click Format on save (a checkmark appears in this menu item indicicating that the feature is active.)

### Assign keyboard shortcuts

You can assign your own keyboard shortcuts like so:

- Open the System Preferences > Keyboard > Shortcuts > App Shortcuts > Click +
- Set the application to be Xcode
- Set the menu title to an action title, e.g. "Format File in Focus"
- Set your shortcut

In this example, we'll format the active file when `control-i` is pressed.

![assign keyboard shortcut](https://raw.github.com/travisjeffery/ClangFormat-Xcode/master/README/assign-keyboard-shortcut.png)

### Using your own style configuration

By using Clang Format > File in the plug-in menu, Clang will look for the nearest `.clang-format` file from the input file. Most likely, you'll have a .clang-format file at the root of your project.

[Here are the options for .clang-format and how they're configured](http://clang.llvm.org/docs/ClangFormatStyleOptions.html). Here's a [cool interactive website](http://clangformat.com/) to help you make your .clang-format file.

If one of the built-in styles is close to what you want, you can bootstrap your own configuration with:

`./bin/clang-format -style=llvm -dump-config > .clang-format`

For example, this .clang-format is similar to the [Linux Kernel style](https://www.kernel.org/doc/Documentation/CodingStyle):

```
BasedOnStyle: LLVM
IndentWidth: 8
UseTab: Always
BreakBeforeBraces: Linux
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
```

And this is similar to Visual Studio's style:

```
UseTab: Never
IndentWidth: 4
BreakBeforeBraces: Allman
AllowShortIfStatementsOnASingleLine: false
IndentCaseLabels: false
ColumnLimit: 0
```

ClangFormat-Xcode

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