github.com/elliott5/community@v0.14.1-0.20160709191136-823126fb026a/app/public/codemirror/mode/gfm/gfm.js (about)

     1  // CodeMirror, copyright (c) by Marijn Haverbeke and others
     2  // Distributed under an MIT license: http://codemirror.net/LICENSE
     3  
     4  (function(mod) {
     5    if (typeof exports == "object" && typeof module == "object") // CommonJS
     6      mod(require("../../lib/codemirror"), require("../markdown/markdown"), require("../../addon/mode/overlay"));
     7    else if (typeof define == "function" && define.amd) // AMD
     8      define(["../../lib/codemirror", "../markdown/markdown", "../../addon/mode/overlay"], mod);
     9    else // Plain browser env
    10      mod(CodeMirror);
    11  })(function(CodeMirror) {
    12  "use strict";
    13  
    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
    15  
    16  CodeMirror.defineMode("gfm", function(config, modeConfig) {
    17    var codeDepth = 0;
    18    function blankLine(state) {
    19      state.code = false;
    20      return null;
    21    }
    22    var gfmOverlay = {
    23      startState: function() {
    24        return {
    25          code: false,
    26          codeBlock: false,
    27          ateSpace: false
    28        };
    29      },
    30      copyState: function(s) {
    31        return {
    32          code: s.code,
    33          codeBlock: s.codeBlock,
    34          ateSpace: s.ateSpace
    35        };
    36      },
    37      token: function(stream, state) {
    38        state.combineTokens = null;
    39  
    40        // Hack to prevent formatting override inside code blocks (block and inline)
    41        if (state.codeBlock) {
    42          if (stream.match(/^```+/)) {
    43            state.codeBlock = false;
    44            return null;
    45          }
    46          stream.skipToEnd();
    47          return null;
    48        }
    49        if (stream.sol()) {
    50          state.code = false;
    51        }
    52        if (stream.sol() && stream.match(/^```+/)) {
    53          stream.skipToEnd();
    54          state.codeBlock = true;
    55          return null;
    56        }
    57        // If this block is changed, it may need to be updated in Markdown mode
    58        if (stream.peek() === '`') {
    59          stream.next();
    60          var before = stream.pos;
    61          stream.eatWhile('`');
    62          var difference = 1 + stream.pos - before;
    63          if (!state.code) {
    64            codeDepth = difference;
    65            state.code = true;
    66          } else {
    67            if (difference === codeDepth) { // Must be exact
    68              state.code = false;
    69            }
    70          }
    71          return null;
    72        } else if (state.code) {
    73          stream.next();
    74          return null;
    75        }
    76        // Check if space. If so, links can be formatted later on
    77        if (stream.eatSpace()) {
    78          state.ateSpace = true;
    79          return null;
    80        }
    81        if (stream.sol() || state.ateSpace) {
    82          state.ateSpace = false;
    83          if (modeConfig.gitHubSpice !== false) {
    84            if(stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+@)?(?:[a-f0-9]{7,40}\b)/)) {
    85              // User/Project@SHA
    86              // User@SHA
    87              // SHA
    88              state.combineTokens = true;
    89              return "link";
    90            } else if (stream.match(/^(?:[a-zA-Z0-9\-_]+\/)?(?:[a-zA-Z0-9\-_]+)?#[0-9]+\b/)) {
    91              // User/Project#Num
    92              // User#Num
    93              // #Num
    94              state.combineTokens = true;
    95              return "link";
    96            }
    97          }
    98        }
    99        if (stream.match(urlRE) &&
   100            stream.string.slice(stream.start - 2, stream.start) != "](" &&
   101            (stream.start == 0 || /\W/.test(stream.string.charAt(stream.start - 1)))) {
   102          // URLs
   103          // Taken from http://daringfireball.net/2010/07/improved_regex_for_matching_urls
   104          // And then (issue #1160) simplified to make it not crash the Chrome Regexp engine
   105          // And then limited url schemes to the CommonMark list, so foo:bar isn't matched as a URL
   106          state.combineTokens = true;
   107          return "link";
   108        }
   109        stream.next();
   110        return null;
   111      },
   112      blankLine: blankLine
   113    };
   114  
   115    var markdownConfig = {
   116      underscoresBreakWords: false,
   117      taskLists: true,
   118      fencedCodeBlocks: '```',
   119      strikethrough: true
   120    };
   121    for (var attr in modeConfig) {
   122      markdownConfig[attr] = modeConfig[attr];
   123    }
   124    markdownConfig.name = "markdown";
   125    return CodeMirror.overlayMode(CodeMirror.getMode(config, markdownConfig), gfmOverlay);
   126  
   127  }, "markdown");
   128  
   129    CodeMirror.defineMIME("text/x-gfm", "gfm");
   130  });