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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"));
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7 else if (typeof define == "function" && define.amd) // AMD
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8 define(["../../lib/codemirror"], 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 CodeMirror.defineMode("diff", function() {
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15
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16 var TOKEN_NAMES = {
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17 '+': 'positive',
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18 '-': 'negative',
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19 '@': 'meta'
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20 };
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21
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22 return {
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23 token: function(stream) {
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24 var tw_pos = stream.string.search(/[\t ]+?$/);
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25
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26 if (!stream.sol() || tw_pos === 0) {
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27 stream.skipToEnd();
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28 return ("error " + (
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29 TOKEN_NAMES[stream.string.charAt(0)] || '')).replace(/ $/, '');
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30 }
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31
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32 var token_name = TOKEN_NAMES[stream.peek()] || stream.skipToEnd();
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33
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34 if (tw_pos === -1) {
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35 stream.skipToEnd();
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36 } else {
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37 stream.pos = tw_pos;
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38 }
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39
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40 return token_name;
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41 }
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42 };
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43 });
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44
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45 CodeMirror.defineMIME("text/x-diff", "diff");
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46
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47 });
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