/*---------------------------------------------------------------------------------------------
 *  Copyright (c) Microsoft Corporation. All rights reserved.
 *  Licensed under the MIT License. See License.txt in the project root for license information.
 *--------------------------------------------------------------------------------------------*/
define(["require", "exports"], function (require, exports) {
    'use strict';
    Object.defineProperty(exports, "__esModule", { value: true });
    exports.conf = {
        wordPattern: /(-?\d*\.\d\w*)|([^\`\~\!\@\$\^\&\*\(\)\=\+\[\{\]\}\\\|\;\:\'\"\,\.\<\>\/\s]+)/g,
        comments: {
            blockComment: ['{#', '#}'],
        },
        brackets: [
            ['{#', '#}'],
            ['{%', '%}'],
            ['{{', '}}'],
            ['(', ')'],
            ['[', ']'],
            // HTML
            ['<!--', '-->'],
            ['<', '>'],
        ],
        autoClosingPairs: [
            { open: '{# ', close: ' #}' },
            { open: '{% ', close: ' %}' },
            { open: '{{ ', close: ' }}' },
            { open: '[', close: ']' },
            { open: '(', close: ')' },
            { open: '"', close: '"' },
            { open: '\'', close: '\'' },
        ],
        surroundingPairs: [
            { open: '"', close: '"' },
            { open: '\'', close: '\'' },
            // HTML
            { open: '<', close: '>' },
        ],
    };
    exports.language = {
        defaultToken: '',
        tokenPostfix: '',
        ignoreCase: true,
        keywords: [
            // (opening) tags
            'apply', 'autoescape', 'block', 'deprecated', 'do', 'embed', 'extends',
            'flush', 'for', 'from', 'if', 'import', 'include', 'macro', 'sandbox',
            'set', 'use', 'verbatim', 'with',
            // closing tags
            'endapply', 'endautoescape', 'endblock', 'endembed', 'endfor', 'endif',
            'endmacro', 'endsandbox', 'endset', 'endwith',
            // literals
            'true', 'false',
        ],
        tokenizer: {
            root: [
                // whitespace
                [/\s+/],
                // Twig Tag Delimiters
                [/{#/, 'comment.twig', '@commentState'],
                [/{%[-~]?/, 'delimiter.twig', '@blockState'],
                [/{{[-~]?/, 'delimiter.twig', '@variableState'],
                // HTML
                [/<!DOCTYPE/, 'metatag.html', '@doctype'],
                [/<!--/, 'comment.html', '@comment'],
                [/(<)((?:[\w\-]+:)?[\w\-]+)(\s*)(\/>)/, ['delimiter.html', 'tag.html', '', 'delimiter.html']],
                [/(<)(script)/, ['delimiter.html', { token: 'tag.html', next: '@script' }]],
                [/(<)(style)/, ['delimiter.html', { token: 'tag.html', next: '@style' }]],
                [/(<)((?:[\w\-]+:)?[\w\-]+)/, ['delimiter.html', { token: 'tag.html', next: '@otherTag' }]],
                [/(<\/)((?:[\w\-]+:)?[\w\-]+)/, ['delimiter.html', { token: 'tag.html', next: '@otherTag' }]],
                [/</, 'delimiter.html'],
                [/[^<]+/],
            ],
            /**
             * Comment Tag Handling
             */
            commentState: [
                [/#}/, 'comment.twig', '@pop'],
                [/./, 'comment.twig'],
            ],
            /**
             * Block Tag Handling
             */
            blockState: [
                [/[-~]?%}/, 'delimiter.twig', '@pop'],
                // whitespace
                [/\s+/],
                // verbatim
                // Unlike other blocks, verbatim ehas its own state
                // transition to ensure we mark its contents as strings.
                [/(verbatim)(\s*)([-~]?%})/, [
                        'keyword.twig',
                        '',
                        { token: 'delimiter.twig', next: '@rawDataState' },
                    ]],
                { include: 'expression' }
            ],
            rawDataState: [
                // endverbatim
                [/({%[-~]?)(\s*)(endverbatim)(\s*)([-~]?%})/, [
                        'delimiter.twig',
                        '',
                        'keyword.twig',
                        '',
                        { token: 'delimiter.twig', next: '@popall' },
                    ]],
                [/./, 'string.twig'],
            ],
            /**
             * Variable Tag Handling
             */
            variableState: [
                [/[-~]?}}/, 'delimiter.twig', '@pop'],
                { include: 'expression' },
            ],
            stringState: [
                // closing double quoted string
                [/"/, 'string.twig', '@pop'],
                // interpolation start
                [/#{\s*/, 'string.twig', '@interpolationState'],
                // string part
                [/[^#"\\]*(?:(?:\\.|#(?!\{))[^#"\\]*)*/, 'string.twig'],
            ],
            interpolationState: [
                // interpolation end
                [/}/, 'string.twig', '@pop'],
                { include: 'expression' },
            ],
            /**
             * Expression Handling
             */
            expression: [
                // whitespace
                [/\s+/],
                // operators - math
                [/\+|-|\/{1,2}|%|\*{1,2}/, 'operators.twig'],
                // operators - logic
                [/(and|or|not|b-and|b-xor|b-or)(\s+)/, ['operators.twig', '']],
                // operators - comparison (symbols)
                [/==|!=|<|>|>=|<=/, 'operators.twig'],
                // operators - comparison (words)
                [/(starts with|ends with|matches)(\s+)/, ['operators.twig', '']],
                // operators - containment
                [/(in)(\s+)/, ['operators.twig', '']],
                // operators - test
                [/(is)(\s+)/, ['operators.twig', '']],
                // operators - misc
                [/\||~|:|\.{1,2}|\?{1,2}/, 'operators.twig'],
                // names
                [/[^\W\d][\w]*/, {
                        cases: {
                            '@keywords': 'keyword.twig',
                            '@default': 'variable.twig'
                        }
                    }],
                // numbers
                [/\d+(\.\d+)?/, 'number.twig'],
                // punctuation
                [/\(|\)|\[|\]|{|}|,/, 'delimiter.twig'],
                // strings
                [/"([^#"\\]*(?:\\.[^#"\\]*)*)"|\'([^\'\\]*(?:\\.[^\'\\]*)*)\'/, 'string.twig'],
                // opening double quoted string
                [/"/, 'string.twig', '@stringState'],
                // misc syntactic constructs
                // These are not operators per se, but for the purposes of lexical analysis we
                // can treat them as such.
                // arrow functions
                [/=>/, 'operators.twig'],
                // assignment
                [/=/, 'operators.twig'],
            ],
            /**
             * HTML
             */
            doctype: [
                [/[^>]+/, 'metatag.content.html'],
                [/>/, 'metatag.html', '@pop'],
            ],
            comment: [
                [/-->/, 'comment.html', '@pop'],
                [/[^-]+/, 'comment.content.html'],
                [/./, 'comment.content.html']
            ],
            otherTag: [
                [/\/?>/, 'delimiter.html', '@pop'],
                [/"([^"]*)"/, 'attribute.value.html'],
                [/'([^']*)'/, 'attribute.value.html'],
                [/[\w\-]+/, 'attribute.name.html'],
                [/=/, 'delimiter.html'],
                [/[ \t\r\n]+/],
            ],
            // -- BEGIN <script> tags handling
            // After <script
            script: [
                [/type/, 'attribute.name.html', '@scriptAfterType'],
                [/"([^"]*)"/, 'attribute.value.html'],
                [/'([^']*)'/, 'attribute.value.html'],
                [/[\w\-]+/, 'attribute.name.html'],
                [/=/, 'delimiter.html'],
                [/>/, { token: 'delimiter.html', next: '@scriptEmbedded', nextEmbedded: 'text/javascript' }],
                [/[ \t\r\n]+/],
                [/(<\/)(script\s*)(>)/, ['delimiter.html', 'tag.html', { token: 'delimiter.html', next: '@pop' }]]
            ],
            // After <script ... type
            scriptAfterType: [
                [/=/, 'delimiter.html', '@scriptAfterTypeEquals'],
                [/>/, { token: 'delimiter.html', next: '@scriptEmbedded', nextEmbedded: 'text/javascript' }],
                [/[ \t\r\n]+/],
                [/<\/script\s*>/, { token: '@rematch', next: '@pop' }]
            ],
            // After <script ... type =
            scriptAfterTypeEquals: [
                [/"([^"]*)"/, { token: 'attribute.value.html', switchTo: '@scriptWithCustomType.$1' }],
                [/'([^']*)'/, { token: 'attribute.value.html', switchTo: '@scriptWithCustomType.$1' }],
                [/>/, { token: 'delimiter.html', next: '@scriptEmbedded', nextEmbedded: 'text/javascript' }],
                [/[ \t\r\n]+/],
                [/<\/script\s*>/, { token: '@rematch', next: '@pop' }]
            ],
            // After <script ... type = $S2
            scriptWithCustomType: [
                [/>/, { token: 'delimiter.html', next: '@scriptEmbedded.$S2', nextEmbedded: '$S2' }],
                [/"([^"]*)"/, 'attribute.value.html'],
                [/'([^']*)'/, 'attribute.value.html'],
                [/[\w\-]+/, 'attribute.name.html'],
                [/=/, 'delimiter.html'],
                [/[ \t\r\n]+/],
                [/<\/script\s*>/, { token: '@rematch', next: '@pop' }]
            ],
            scriptEmbedded: [
                [/<\/script/, { token: '@rematch', next: '@pop', nextEmbedded: '@pop' }],
                [/[^<]+/, '']
            ],
            // -- END <script> tags handling
            // -- BEGIN <style> tags handling
            // After <style
            style: [
                [/type/, 'attribute.name.html', '@styleAfterType'],
                [/"([^"]*)"/, 'attribute.value.html'],
                [/'([^']*)'/, 'attribute.value.html'],
                [/[\w\-]+/, 'attribute.name.html'],
                [/=/, 'delimiter.html'],
                [/>/, { token: 'delimiter.html', next: '@styleEmbedded', nextEmbedded: 'text/css' }],
                [/[ \t\r\n]+/],
                [/(<\/)(style\s*)(>)/, ['delimiter.html', 'tag.html', { token: 'delimiter.html', next: '@pop' }]]
            ],
            // After <style ... type
            styleAfterType: [
                [/=/, 'delimiter.html', '@styleAfterTypeEquals'],
                [/>/, { token: 'delimiter.html', next: '@styleEmbedded', nextEmbedded: 'text/css' }],
                [/[ \t\r\n]+/],
                [/<\/style\s*>/, { token: '@rematch', next: '@pop' }]
            ],
            // After <style ... type =
            styleAfterTypeEquals: [
                [/"([^"]*)"/, { token: 'attribute.value.html', switchTo: '@styleWithCustomType.$1' }],
                [/'([^']*)'/, { token: 'attribute.value.html', switchTo: '@styleWithCustomType.$1' }],
                [/>/, { token: 'delimiter.html', next: '@styleEmbedded', nextEmbedded: 'text/css' }],
                [/[ \t\r\n]+/],
                [/<\/style\s*>/, { token: '@rematch', next: '@pop' }]
            ],
            // After <style ... type = $S2
            styleWithCustomType: [
                [/>/, { token: 'delimiter.html', next: '@styleEmbedded.$S2', nextEmbedded: '$S2' }],
                [/"([^"]*)"/, 'attribute.value.html'],
                [/'([^']*)'/, 'attribute.value.html'],
                [/[\w\-]+/, 'attribute.name.html'],
                [/=/, 'delimiter.html'],
                [/[ \t\r\n]+/],
                [/<\/style\s*>/, { token: '@rematch', next: '@pop' }]
            ],
            styleEmbedded: [
                [/<\/style/, { token: '@rematch', next: '@pop', nextEmbedded: '@pop' }],
                [/[^<]+/, '']
            ],
        }
    };
});