297 lines
8.1 KiB
JavaScript
297 lines
8.1 KiB
JavaScript
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/* ***** BEGIN LICENSE BLOCK *****
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* Distributed under the BSD license:
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*
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* Copyright (c) 2015, Robin Jarry
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* * Neither the name of Ajax.org B.V. nor the
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* names of its contributors may be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL AJAX.ORG B.V. BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* ***** END LICENSE BLOCK ***** */
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define(function(require, exports, module) {
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"use strict";
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var oop = require("../lib/oop");
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var lang = require("../lib/lang");
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var TextHighlightRules = require("./text_highlight_rules").TextHighlightRules;
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var RSTHighlightRules = function() {
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var tokens = {
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title: "markup.heading",
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list: "markup.heading",
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table: "constant",
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directive: "keyword.operator",
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entity: "string",
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link: "markup.underline.list",
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bold: "markup.bold",
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italic: "markup.italic",
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literal: "support.function",
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comment: "comment"
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};
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var startStringPrefix = "(^|\\s|[\"'(<\\[{\\-/:])";
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var endStringSuffix = "(?:$|(?=\\s|[\\\\.,;!?\\-/:\"')>\\]}]))";
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this.$rules = {
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"start": [
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/* NB: Only the underline of the heading is highlighted.
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* ACE tokenizer does not allow backtracking, the underlined text of the
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* heading cannot be highlighted. */
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{
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token : tokens.title,
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regex : "(^)([\\=\\-`:\\.'\"~\\^_\\*\\+#])(\\2{2,}\\s*$)"
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},
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/* Generic directive syntax (e.g. .. code-block:: c)
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* All of the directive body is highlighted as a code block. */
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{
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token : ["text", tokens.directive, tokens.literal],
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regex : "(^\\s*\\.\\. )([^: ]+::)(.*$)",
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next : "codeblock"
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},
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{
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token : tokens.directive,
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regex : "::$",
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next : "codeblock"
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},
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/* Link/anchor definitions */
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{
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token : [tokens.entity, tokens.link],
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regex : "(^\\.\\. _[^:]+:)(.*$)"
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},
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{
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token : [tokens.entity, tokens.link],
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regex : "(^__ )(https?://.*$)"
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},
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/* Footnote definition */
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{
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token : tokens.entity,
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regex : "^\\.\\. \\[[^\\]]+\\] "
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},
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/* Comment block start */
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{
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token : tokens.comment,
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regex : "^\\.\\. .*$",
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next : "comment"
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},
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/* List items */
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{
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token : tokens.list,
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regex : "^\\s*[\\*\\+-] "
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},
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{
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token : tokens.list,
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regex : "^\\s*(?:[A-Za-z]|[0-9]+|[ivxlcdmIVXLCDM]+)\\. "
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},
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{
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token : tokens.list,
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regex : "^\\s*\\(?(?:[A-Za-z]|[0-9]+|[ivxlcdmIVXLCDM]+)\\) "
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},
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/* "Simple" tables */
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{
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token : tokens.table,
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regex : "^={2,}(?: +={2,})+$"
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},
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/* "Grid" tables */
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{
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token : tokens.table,
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regex : "^\\+-{2,}(?:\\+-{2,})+\\+$"
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},
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{
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token : tokens.table,
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regex : "^\\+={2,}(?:\\+={2,})+\\+$"
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},
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/* Inline markup */
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{
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token : ["text", tokens.literal],
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regex : startStringPrefix + "(``)(?=\\S)",
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next : "code"
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},
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{
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token : ["text", tokens.bold],
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regex : startStringPrefix + "(\\*\\*)(?=\\S)",
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next : "bold"
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},
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{
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token : ["text", tokens.italic],
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regex : startStringPrefix + "(\\*)(?=\\S)",
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next : "italic"
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},
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/* Substitution reference */
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{
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token : tokens.entity,
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regex : "\\|[\\w\\-]+?\\|"
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},
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/* Link/footnote references */
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{
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token : tokens.entity,
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regex : ":[\\w-:]+:`\\S",
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next : "entity"
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},
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{
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token : ["text", tokens.entity],
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regex : startStringPrefix + "(_`)(?=\\S)",
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next : "entity"
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},
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{
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token : tokens.entity,
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regex : "_[A-Za-z0-9\\-]+?"
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},
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{
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token : ["text", tokens.link],
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regex : startStringPrefix + "(`)(?=\\S)",
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next : "link"
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},
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{
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token : tokens.link,
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regex : "[A-Za-z0-9\\-]+?__?"
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},
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{
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token : tokens.link,
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regex : "\\[[^\\]]+?\\]_"
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},
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{
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token : tokens.link,
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regex : "https?://\\S+"
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},
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/* "Grid" tables column separator
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* This is at the end to make it lower priority over all other rules. */
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{
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token : tokens.table,
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regex : "\\|"
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}
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],
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/* This state is used for all directive bodies and literal blocks.
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* The parser returns to the "start" state when reaching the first
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* non-empty line that does not start with at least one space. */
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"codeblock": [
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{
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token : tokens.literal,
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regex : "^ +.+$",
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next : "codeblock"
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},
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{
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token : tokens.literal,
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regex : '^$',
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next: "codeblock"
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},
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{
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token : "empty",
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regex : "",
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next : "start"
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}
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],
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/* Inline code
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* The parser returns to the "start" state when reaching "``" */
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"code": [
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{
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token : tokens.literal,
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regex : "\\S``" + endStringSuffix,
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next : "start"
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},
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{
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defaultToken: tokens.literal
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}
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],
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/* Bold (strong) text
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* The parser returns to the "start" state when reaching "**" */
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"bold": [
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{
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token : tokens.bold,
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regex : "\\S\\*\\*" + endStringSuffix,
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next : "start"
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},
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{
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defaultToken: tokens.bold
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}
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],
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/* Italic (emphasis) text
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* The parser returns to the "start" state when reaching "*" */
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"italic": [
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{
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token : tokens.italic,
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regex : "\\S\\*" + endStringSuffix,
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next : "start"
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},
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{
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defaultToken: tokens.italic
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}
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],
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/* Explicit role/class text or link anchor definition
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* The parser returns to the "start" state when reaching "`" */
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"entity": [
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{
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token : tokens.entity,
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regex : "\\S`" + endStringSuffix,
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next : "start"
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},
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{
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defaultToken: tokens.entity
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}
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],
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/* Link reference
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* The parser returns to the "start" state when reaching "`_" or "`__" */
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"link": [
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{
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token : tokens.link,
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regex : "\\S`__?" + endStringSuffix,
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next : "start"
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},
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{
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defaultToken: tokens.link
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}
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],
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/* Comment block.
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* The parser returns to the "start" state when reaching the first
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* non-empty line that does not start with at least one space. */
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"comment": [
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{
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token : tokens.comment,
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regex : "^ +.+$",
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next : "comment"
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},
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{
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token : tokens.comment,
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regex : '^$',
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next: "comment"
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},
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{
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token : "empty",
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regex : "",
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next : "start"
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}
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]
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};
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};
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oop.inherits(RSTHighlightRules, TextHighlightRules);
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exports.RSTHighlightRules = RSTHighlightRules;
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});
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