File modules/editor/codemirror/mode/mbox/mbox.js

Last commit: Sun Dec 17 01:14:09 2017 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.


     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"));
     7   else if (typeof define == "function" && define.amd) // AMD
     8     define(["../../lib/codemirror"], mod);
     9   else // Plain browser env
    10     mod(CodeMirror);
    11 })(function(CodeMirror) {
    12 "use strict";
    13 
    14 var rfc2822 = [
    15   "From", "Sender", "Reply-To", "To", "Cc", "Bcc", "Message-ID",
    16   "In-Reply-To", "References", "Resent-From", "Resent-Sender", "Resent-To",
    17   "Resent-Cc", "Resent-Bcc", "Resent-Message-ID", "Return-Path", "Received"
    18 ];
    19 var rfc2822NoEmail = [
    20   "Date", "Subject", "Comments", "Keywords", "Resent-Date"
    21 ];
    22 
    23 CodeMirror.registerHelper("hintWords", "mbox", rfc2822.concat(rfc2822NoEmail));
    24 
    25 var whitespace = /^[ \t]/;
    26 var separator = /^From /; // See RFC 4155
    27 var rfc2822Header = new RegExp("^(" + rfc2822.join("|") + "): ");
    28 var rfc2822HeaderNoEmail = new RegExp("^(" + rfc2822NoEmail.join("|") + "): ");
    29 var header = /^[^:]+:/; // Optional fields defined in RFC 2822
    30 var email = /^[^ ]+@[^ ]+/;
    31 var untilEmail = /^.*?(?=[^ ]+?@[^ ]+)/;
    32 var bracketedEmail = /^<.*?>/;
    33 var untilBracketedEmail = /^.*?(?=<.*>)/;
    34 
    35 function styleForHeader(header) {
    36   if (header === "Subject") return "header";
    37   return "string";
    38 }
    39 
    40 function readToken(stream, state) {
    41   if (stream.sol()) {
    42     // From last line
    43     state.inSeparator = false;
    44     if (state.inHeader && stream.match(whitespace)) {
    45       // Header folding
    46       return null;
    47     } else {
    48       state.inHeader = false;
    49       state.header = null;
    50     }
    51 
    52     if (stream.match(separator)) {
    53       state.inHeaders = true;
    54       state.inSeparator = true;
    55       return "atom";
    56     }
    57 
    58     var match;
    59     var emailPermitted = false;
    60     if ((match = stream.match(rfc2822HeaderNoEmail)) ||
    61         (emailPermitted = true) && (match = stream.match(rfc2822Header))) {
    62       state.inHeaders = true;
    63       state.inHeader = true;
    64       state.emailPermitted = emailPermitted;
    65       state.header = match[1];
    66       return "atom";
    67     }
    68 
    69     // Use vim's heuristics: recognize custom headers only if the line is in a
    70     // block of legitimate headers.
    71     if (state.inHeaders && (match = stream.match(header))) {
    72       state.inHeader = true;
    73       state.emailPermitted = true;
    74       state.header = match[1];
    75       return "atom";
    76     }
    77 
    78     state.inHeaders = false;
    79     stream.skipToEnd();
    80     return null;
    81   }
    82 
    83   if (state.inSeparator) {
    84     if (stream.match(email)) return "link";
    85     if (stream.match(untilEmail)) return "atom";
    86     stream.skipToEnd();
    87     return "atom";
    88   }
    89 
    90   if (state.inHeader) {
    91     var style = styleForHeader(state.header);
    92 
    93     if (state.emailPermitted) {
    94       if (stream.match(bracketedEmail)) return style + " link";
    95       if (stream.match(untilBracketedEmail)) return style;
    96     }
    97     stream.skipToEnd();
    98     return style;
    99   }
   100 
   101   stream.skipToEnd();
   102   return null;
   103 };
   104 
   105 CodeMirror.defineMode("mbox", function() {
   106   return {
   107     startState: function() {
   108       return {
   109         // Is in a mbox separator
   110         inSeparator: false,
   111         // Is in a mail header
   112         inHeader: false,
   113         // If bracketed email is permitted. Only applicable when inHeader
   114         emailPermitted: false,
   115         // Name of current header
   116         header: null,
   117         // Is in a region of mail headers
   118         inHeaders: false
   119       };
   120     },
   121     token: readToken,
   122     blankLine: function(state) {
   123       state.inHeaders = state.inSeparator = state.inHeader = false;
   124     }
   125   };
   126 });
   127 
   128 CodeMirror.defineMIME("application/mbox", "mbox");
   129 });



Download modules/editor/codemirror/mode/mbox/mbox.js


History
Sun, 17 Dec 2017 01:14:09 +0100	Jan Dankert	Integration eines weiteren Code-Editors: Codemirror. Demnächst müssen wir hier mal aufräumen und andere Editoren rauswerfen.