1// CodeMirror, copyright (c) by Marijn Haverbeke and others
 2// Distributed under an MIT license: https://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});