/*
Language: Diff
Description: Unified and context diff
Author: Vasily Polovnyov <vast@whiteants.net>
Category: common
*/

import { LanguageDef } from '../types';

export const Diff: LanguageDef = {
    name: 'diff',
    aliases: ['patch'],
    contains: [
        {
            className: 'meta',
            relevance: 10,
            variants: [
                { begin: /^@@ +\-\d+,\d+ +\+\d+,\d+ +@@$/ },
                { begin: /^\*\*\* +\d+,\d+ +\*\*\*\*$/ },
                { begin: /^\-\-\- +\d+,\d+ +\-\-\-\-$/ }
            ]
        },
        {
            className: 'comment',
            variants: [
                { begin: /Index: /, end: /$/ },
                { begin: /={3,}/, end: /$/ },
                { begin: /^\-{3}/, end: /$/ },
                { begin: /^\*{3} /, end: /$/ },
                { begin: /^\+{3}/, end: /$/ },
                { begin: /\*{5}/, end: /\*{5}$/ }
            ]
        },
        {
            className: 'addition',
            begin: '^\\+', end: '$'
        },
        {
            className: 'deletion',
            begin: '^\\-', end: '$'
        },
        {
            className: 'addition',
            begin: '^\\!', end: '$'
        }
    ]
};