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1 // CodeMirror, copyright (c) by Marijn Haverbeke and others
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2 // Distributed under an MIT license: https://codemirror.net/5/LICENSE
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3
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4 (function(mod) {
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5 if (typeof exports == "object" && typeof module == "object") // CommonJS
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6 mod(require("../../lib/codemirror"), require("../markdown/markdown"), require("../../addon/mode/overlay"));
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7 else if (typeof define == "function" && define.amd) // AMD
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8 define(["../../lib/codemirror", "../markdown/markdown", "../../addon/mode/overlay"], mod);
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9 else // Plain browser env
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10 mod(CodeMirror);
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11 })(function(CodeMirror) {
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12 "use strict";
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13
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14 var urlRE = /^((?:(?:aaas?|about|acap|adiumxtra|af[ps]|aim|apt|attachment|aw|beshare|bitcoin|bolo|callto|cap|chrome(?:-extension)?|cid|coap|com-eventbrite-attendee|content|crid|cvs|data|dav|dict|dlna-(?:playcontainer|playsingle)|dns|doi|dtn|dvb|ed2k|facetime|feed|file|finger|fish|ftp|geo|gg|git|gizmoproject|go|gopher|gtalk|h323|hcp|https?|iax|icap|icon|im|imap|info|ipn|ipp|irc[6s]?|iris(?:\.beep|\.lwz|\.xpc|\.xpcs)?|itms|jar|javascript|jms|keyparc|lastfm|ldaps?|magnet|mailto|maps|market|message|mid|mms|ms-help|msnim|msrps?|mtqp|mumble|mupdate|mvn|news|nfs|nih?|nntp|notes|oid|opaquelocktoken|palm|paparazzi|platform|pop|pres|proxy|psyc|query|res(?:ource)?|rmi|rsync|rtmp|rtsp|secondlife|service|session|sftp|sgn|shttp|sieve|sips?|skype|sm[bs]|snmp|soap\.beeps?|soldat|spotify|ssh|steam|svn|tag|teamspeak|tel(?:net)?|tftp|things|thismessage|tip|tn3270|tv|udp|unreal|urn|ut2004|vemmi|ventrilo|view-source|webcal|wss?|wtai|wyciwyg|xcon(?:-userid)?|xfire|xmlrpc\.beeps?|xmpp|xri|ymsgr|z39\.50[rs]?):(?:\/{1,3}|[a-z0-9%])|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}\/)(?:[^\s()<>]|\([^\s()<>]*\))+(?:\([^\s()<>]*\)|[^\s`*!()\[\]{};:'".,<>?«»“”‘’]))/i
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15
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16 CodeMirror.defineMode("gfm", function(config, modeConfig) {
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17 var codeDepth = 0;
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18 function blankLine(state) {
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19 state.code = false;
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20 return null;
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21 }
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22 var gfmOverlay = {
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23 startState: function() {
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24 return {
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25 code: false,
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26 codeBlock: false,
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27 ateSpace: false
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28 };
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29 },
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30 copyState: function(s) {
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31 return {
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32 code: s.code,
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33 codeBlock: s.codeBlock,
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34 ateSpace: s.ateSpace
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35 };
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36 },
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37 token: function(stream, state) {
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38 state.combineTokens = null;
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39
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40 // Hack to prevent formatting override inside code blocks (block and inline)
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41 if (state.codeBlock) {
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42 if (stream.match(/^```+/)) {
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43 state.codeBlock = false;
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44 return null;
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45 }
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46 stream.skipToEnd();
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47 return null;
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48 }
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49 if (stream.sol()) {
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50 state.code = false;
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51 }
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52 if (stream.sol() && stream.match(/^```+/)) {
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53 stream.skipToEnd();
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54 state.codeBlock = true;
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55 return null;
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56 }
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57 // If this block is changed, it may need to be updated in Markdown mode
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58 if (stream.peek() === '`') {
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59 stream.next();
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60 var before = stream.pos;
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61 stream.eatWhile('`');
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62 var difference = 1 + stream.pos - before;
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63 if (!state.code) {
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64 codeDepth = difference;
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65 state.code = true;
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66 } else {
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67 if (difference === codeDepth) { // Must be exact
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68 state.code = false;
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69 }
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70 }
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71 return null;
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72 } else if (state.code) {
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73 stream.next();
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74 return null;
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75 }
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76 // Check if space. If so, links can be formatted later on
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77 if (stream.eatSpace()) {
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78 state.ateSpace = true;
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79 return null;
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80 }
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81 if (stream.sol() || state.ateSpace) {
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82 state.ateSpace = false;
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83 if (modeConfig.gitHubSpice !== false) {
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84 if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?=.{0,6}\d)(?:[a-f0-9]{7,40}\b)/)) {
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85 // User/Project@SHA
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86 // User@SHA
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87 // SHA
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88 state.combineTokens = true;
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89 return "link";
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90 } else if (stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+)?#[0-9]+\b/)) {
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91 // User/Project#Num
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92 // User#Num
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93 // #Num
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94 state.combineTokens = true;
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95 return "link";
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96 }
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97 }
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98 }
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99 if (stream.match(urlRE) &&
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100 stream.string.slice(stream.start - 2, stream.start) != "](" &&
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101 (stream.start == 0 || /\W/.test(stream.string.charAt(stream.start - 1)))) {
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102 // URLs
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103 // Taken from http://daringfireball.net/2010/07/improved_regex_for_matching_urls
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104 // And then (issue #1160) simplified to make it not crash the Chrome Regexp engine
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105 // And then limited url schemes to the CommonMark list, so foo:bar isn't matched as a URL
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106 state.combineTokens = true;
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107 return "link";
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108 }
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109 stream.next();
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110 return null;
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111 },
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112 blankLine: blankLine
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113 };
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114
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115 var markdownConfig = {
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116 taskLists: true,
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117 strikethrough: true,
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118 emoji: true
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119 };
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120 for (var attr in modeConfig) {
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121 markdownConfig[attr] = modeConfig[attr];
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122 }
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123 markdownConfig.name = "markdown";
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124 return CodeMirror.overlayMode(CodeMirror.getMode(config, markdownConfig), gfmOverlay);
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125
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126 }, "markdown");
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127
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128 CodeMirror.defineMIME("text/x-gfm", "gfm");
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129 });
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