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asciiarmor.js (2446B)

      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   function errorIfNotEmpty(stream) {
     15     var nonWS = stream.match(/^\s*\S/);
     16     stream.skipToEnd();
     17     return nonWS ? "error" : null;
     18   }
     19 
     20   CodeMirror.defineMode("asciiarmor", function() {
     21     return {
     22       token: function(stream, state) {
     23         var m;
     24         if (state.state == "top") {
     25           if (stream.sol() && (m = stream.match(/^-----BEGIN (.*)?-----\s*$/))) {
     26             state.state = "headers";
     27             state.type = m[1];
     28             return "tag";
     29           }
     30           return errorIfNotEmpty(stream);
     31         } else if (state.state == "headers") {
     32           if (stream.sol() && stream.match(/^\w+:/)) {
     33             state.state = "header";
     34             return "atom";
     35           } else {
     36             var result = errorIfNotEmpty(stream);
     37             if (result) state.state = "body";
     38             return result;
     39           }
     40         } else if (state.state == "header") {
     41           stream.skipToEnd();
     42           state.state = "headers";
     43           return "string";
     44         } else if (state.state == "body") {
     45           if (stream.sol() && (m = stream.match(/^-----END (.*)?-----\s*$/))) {
     46             if (m[1] != state.type) return "error";
     47             state.state = "end";
     48             return "tag";
     49           } else {
     50             if (stream.eatWhile(/[A-Za-z0-9+\/=]/)) {
     51               return null;
     52             } else {
     53               stream.next();
     54               return "error";
     55             }
     56           }
     57         } else if (state.state == "end") {
     58           return errorIfNotEmpty(stream);
     59         }
     60       },
     61       blankLine: function(state) {
     62         if (state.state == "headers") state.state = "body";
     63       },
     64       startState: function() {
     65         return {state: "top", type: null};
     66       }
     67     };
     68   });
     69 
     70   CodeMirror.defineMIME("application/pgp", "asciiarmor");
     71   CodeMirror.defineMIME("application/pgp-encrypted", "asciiarmor");
     72   CodeMirror.defineMIME("application/pgp-keys", "asciiarmor");
     73   CodeMirror.defineMIME("application/pgp-signature", "asciiarmor");
     74 });