/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
'use strict';
export var conf = {
    comments: {
        lineComment: '//'
    },
    brackets: [['{', '}'], ['[', ']'], ['(', ')']],
    autoClosingPairs: [
        { open: '"', close: '"', notIn: ['string', 'comment'] },
        { open: '\'', close: '\'', notIn: ['string', 'comment'] },
        { open: '{', close: '}', notIn: ['string', 'comment'] },
        { open: '[', close: ']', notIn: ['string', 'comment'] },
        { open: '(', close: ')', notIn: ['string', 'comment'] },
    ],
    folding: {
        offSide: true
    }
};
export var language = {
    defaultToken: '',
    tokenPostfix: '.pug',
    ignoreCase: true,
    brackets: [
        { token: 'delimiter.curly', open: '{', close: '}' },
        { token: 'delimiter.array', open: '[', close: ']' },
        { token: 'delimiter.parenthesis', open: '(', close: ')' }
    ],
    keywords: ['append', 'block', 'case', 'default', 'doctype', 'each', 'else', 'extends',
        'for', 'if', 'in', 'include', 'mixin', 'typeof', 'unless', 'var', 'when'],
    tags: [
        'a', 'abbr', 'acronym', 'address', 'area', 'article', 'aside', 'audio',
        'b', 'base', 'basefont', 'bdi', 'bdo', 'blockquote', 'body', 'br', 'button',
        'canvas', 'caption', 'center', 'cite', 'code', 'col', 'colgroup', 'command',
        'datalist', 'dd', 'del', 'details', 'dfn', 'div', 'dl', 'dt',
        'em', 'embed',
        'fieldset', 'figcaption', 'figure', 'font', 'footer', 'form', 'frame', 'frameset',
        'h1', 'h2', 'h3', 'h4', 'h5', 'h6', 'head', 'header', 'hgroup', 'hr', 'html',
        'i', 'iframe', 'img', 'input', 'ins',
        'keygen', 'kbd',
        'label', 'li', 'link',
        'map', 'mark', 'menu', 'meta', 'meter',
        'nav', 'noframes', 'noscript',
        'object', 'ol', 'optgroup', 'option', 'output',
        'p', 'param', 'pre', 'progress',
        'q',
        'rp', 'rt', 'ruby',
        's', 'samp', 'script', 'section', 'select', 'small', 'source', 'span', 'strike', 'strong', 'style', 'sub', 'summary', 'sup',
        'table', 'tbody', 'td', 'textarea', 'tfoot', 'th', 'thead', 'time', 'title', 'tr', 'tracks', 'tt',
        'u', 'ul',
        'video',
        'wbr'
    ],
    // we include these common regular expressions
    symbols: /[\+\-\*\%\&\|\!\=\/\.\,\:]+/,
    escapes: /\\(?:[abfnrtv\\"']|x[0-9A-Fa-f]{1,4}|u[0-9A-Fa-f]{4}|U[0-9A-Fa-f]{8})/,
    tokenizer: {
        root: [
            // Tag or a keyword at start
            [/^(\s*)([a-zA-Z_-][\w-]*)/,
                {
                    cases: {
                        '$2@tags': {
                            cases: {
                                '@eos': ['', 'tag'],
                                '@default': ['', { token: 'tag', next: '@tag.$1' },]
                            }
                        },
                        '$2@keywords': ['', { token: 'keyword.$2' },],
                        '@default': ['', '',]
                    }
                }
            ],
            // id
            [/^(\s*)(#[a-zA-Z_-][\w-]*)/, {
                    cases: {
                        '@eos': ['', 'tag.id'],
                        '@default': ['', { token: 'tag.id', next: '@tag.$1' }]
                    }
                }],
            // class
            [/^(\s*)(\.[a-zA-Z_-][\w-]*)/, {
                    cases: {
                        '@eos': ['', 'tag.class'],
                        '@default': ['', { token: 'tag.class', next: '@tag.$1' }]
                    }
                }],
            // plain text with pipe
            [/^(\s*)(\|.*)$/, ''],
            { include: '@whitespace' },
            // keywords
            [/[a-zA-Z_$][\w$]*/, {
                    cases: {
                        '@keywords': { token: 'keyword.$0' },
                        '@default': ''
                    }
                }],
            // delimiters and operators
            [/[{}()\[\]]/, '@brackets'],
            [/@symbols/, 'delimiter'],
            // numbers
            [/\d+\.\d+([eE][\-+]?\d+)?/, 'number.float'],
            [/\d+/, 'number'],
            // strings:
            [/"/, 'string', '@string."'],
            [/'/, 'string', '@string.\''],
        ],
        tag: [
            [/(\.)(\s*$)/, [{ token: 'delimiter', next: '@blockText.$S2.' }, '']],
            [/\s+/, { token: '', next: '@simpleText' }],
            // id
            [/#[a-zA-Z_-][\w-]*/, {
                    cases: {
                        '@eos': { token: 'tag.id', next: '@pop' },
                        '@default': 'tag.id'
                    }
                }],
            // class
            [/\.[a-zA-Z_-][\w-]*/, {
                    cases: {
                        '@eos': { token: 'tag.class', next: '@pop' },
                        '@default': 'tag.class'
                    }
                }],
            // attributes
            [/\(/, { token: 'delimiter.parenthesis', next: '@attributeList' }],
        ],
        simpleText: [
            [/[^#]+$/, { token: '', next: '@popall' }],
            [/[^#]+/, { token: '' }],
            // interpolation
            [/(#{)([^}]*)(})/, {
                    cases: {
                        '@eos': ['interpolation.delimiter', 'interpolation', { token: 'interpolation.delimiter', next: '@popall' }],
                        '@default': ['interpolation.delimiter', 'interpolation', 'interpolation.delimiter']
                    }
                }],
            [/#$/, { token: '', next: '@popall' }],
            [/#/, '']
        ],
        attributeList: [
            [/\s+/, ''],
            [/(\w+)(\s*=\s*)("|')/, ['attribute.name', 'delimiter', { token: 'attribute.value', next: '@value.$3' }]],
            [/\w+/, 'attribute.name'],
            [/,/, {
                    cases: {
                        '@eos': { token: 'attribute.delimiter', next: '@popall' },
                        '@default': 'attribute.delimiter'
                    }
                }],
            [/\)$/, { token: 'delimiter.parenthesis', next: '@popall' }],
            [/\)/, { token: 'delimiter.parenthesis', next: '@pop' }],
        ],
        whitespace: [
            [/^(\s*)(\/\/.*)$/, { token: 'comment', next: '@blockText.$1.comment' }],
            [/[ \t\r\n]+/, ''],
            [/<!--/, { token: 'comment', next: '@comment' }],
        ],
        blockText: [
            [/^\s+.*$/, {
                    cases: {
                        '($S2\\s+.*$)': { token: '$S3' },
                        '@default': { token: '@rematch', next: '@popall' }
                    }
                }],
            [/./, { token: '@rematch', next: '@popall' }]
        ],
        comment: [
            [/[^<\-]+/, 'comment.content'],
            [/-->/, { token: 'comment', next: '@pop' }],
            [/<!--/, 'comment.content.invalid'],
            [/[<\-]/, 'comment.content']
        ],
        string: [
            [/[^\\"'#]+/, {
                    cases: {
                        '@eos': { token: 'string', next: '@popall' },
                        '@default': 'string'
                    }
                }],
            [/@escapes/, {
                    cases: {
                        '@eos': { token: 'string.escape', next: '@popall' },
                        '@default': 'string.escape'
                    }
                }],
            [/\\./, {
                    cases: {
                        '@eos': { token: 'string.escape.invalid', next: '@popall' },
                        '@default': 'string.escape.invalid'
                    }
                }],
            // interpolation
            [/(#{)([^}]*)(})/, ['interpolation.delimiter', 'interpolation', 'interpolation.delimiter']],
            [/#/, 'string'],
            [/["']/, {
                    cases: {
                        '$#==$S2': { token: 'string', next: '@pop' },
                        '@default': { token: 'string' }
                    }
                }],
        ],
        // Almost identical to above, except for escapes and the output token
        value: [
            [/[^\\"']+/, {
                    cases: {
                        '@eos': { token: 'attribute.value', next: '@popall' },
                        '@default': 'attribute.value'
                    }
                }],
            [/\\./, {
                    cases: {
                        '@eos': { token: 'attribute.value', next: '@popall' },
                        '@default': 'attribute.value'
                    }
                }],
            [/["']/, {
                    cases: {
                        '$#==$S2': { token: 'attribute.value', next: '@pop' },
                        '@default': { token: 'attribute.value' }
                    }
                }],
        ],
    },
};