c_formatter_42

What is c_formatter_42?

It is Prettier for C in 42. I know you are already a good Human norm. It's just for convenience.

Vim

Checkout c_formatter_42.vim

VSCode

1. Install clang-format.

• MacOS

$ brew install clang-format

Or you can install vscode extension Clang-Format

2. Copy .clang-format in your Workspace directory.

3. VSCode Settings

• Set Default Formatter as clang-format.
• Turn off Format On Paste, Format On Save.
• Or You can just copy this in your .vscode/settings.json file.

"editor.defaultFormatter": "xaver.clang-format",
"editor.formatOnPaste": false,
"editor.formatOnSave": false,

🚨 CAUTION Check your clang-format version.

If version is lower than 10, SpaceBeforeSquareBrackets: false and AllowShortBlocksOnASingleLine: Never can't work well. So you should comment them out!)

4. Execute code formatting

• On Windows: Shift + Alt + F
• On Mac: Shift + Option + F
• On Linux: Ctrl + Shift + I

🚨Caution(VSCode)

It's not perfect. You should format these rules MANUALLY after auto-formatting.

• global aligned
• declarations aligned
• declarations must be followed by one empty line
• Empty line

int         aaaa = 12;
float       b = 23;
std::string ccc = 23;

Recommended to set in Workspace Preference.

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Command line tool

Installation

pip

$ pip3 install c-formatter-42
$ pip3 install --user c-formatter-42  # if you don't have root privileges

Manual

$ git clone https://github.com/dawnbeen/c_formatter_42
$ cd c_formatter_42
$ pip3 install -e .

Usage

$ c_formatter_42 < file.c
$ python3 -m c_formatter_42 < file.c  # If you get 'command not found' with the previous one

$ c_formatter_42 --help
usage: c_formatter_42 [-h] [-c] [FILE [FILE ...]]

Format C source according to the norm

positional arguments:
  FILE           File to format inplace, if no file is provided read STDIN

optional arguments:
  -h, --help     show this help message and exit
  -c, --confirm  Ask confirmation before overwritting any file

Feel free to report issues or contribute. :)