github.com/jancarloviray/community@v0.41.1-0.20170124221257-33a66c87cf2f/app/public/codemirror/mode/shell/shell.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"));
     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  CodeMirror.defineMode('shell', function() {
    15  
    16    var words = {};
    17    function define(style, string) {
    18      var split = string.split(' ');
    19      for(var i = 0; i < split.length; i++) {
    20        words[split[i]] = style;
    21      }
    22    };
    23  
    24    // Atoms
    25    define('atom', 'true false');
    26  
    27    // Keywords
    28    define('keyword', 'if then do else elif while until for in esac fi fin ' +
    29      'fil done exit set unset export function');
    30  
    31    // Commands
    32    define('builtin', 'ab awk bash beep cat cc cd chown chmod chroot clear cp ' +
    33      'curl cut diff echo find gawk gcc get git grep kill killall ln ls make ' +
    34      'mkdir openssl mv nc node npm ping ps restart rm rmdir sed service sh ' +
    35      'shopt shred source sort sleep ssh start stop su sudo tee telnet top ' +
    36      'touch vi vim wall wc wget who write yes zsh');
    37  
    38    function tokenBase(stream, state) {
    39      if (stream.eatSpace()) return null;
    40  
    41      var sol = stream.sol();
    42      var ch = stream.next();
    43  
    44      if (ch === '\\') {
    45        stream.next();
    46        return null;
    47      }
    48      if (ch === '\'' || ch === '"' || ch === '`') {
    49        state.tokens.unshift(tokenString(ch));
    50        return tokenize(stream, state);
    51      }
    52      if (ch === '#') {
    53        if (sol && stream.eat('!')) {
    54          stream.skipToEnd();
    55          return 'meta'; // 'comment'?
    56        }
    57        stream.skipToEnd();
    58        return 'comment';
    59      }
    60      if (ch === '$') {
    61        state.tokens.unshift(tokenDollar);
    62        return tokenize(stream, state);
    63      }
    64      if (ch === '+' || ch === '=') {
    65        return 'operator';
    66      }
    67      if (ch === '-') {
    68        stream.eat('-');
    69        stream.eatWhile(/\w/);
    70        return 'attribute';
    71      }
    72      if (/\d/.test(ch)) {
    73        stream.eatWhile(/\d/);
    74        if(stream.eol() || !/\w/.test(stream.peek())) {
    75          return 'number';
    76        }
    77      }
    78      stream.eatWhile(/[\w-]/);
    79      var cur = stream.current();
    80      if (stream.peek() === '=' && /\w+/.test(cur)) return 'def';
    81      return words.hasOwnProperty(cur) ? words[cur] : null;
    82    }
    83  
    84    function tokenString(quote) {
    85      return function(stream, state) {
    86        var next, end = false, escaped = false;
    87        while ((next = stream.next()) != null) {
    88          if (next === quote && !escaped) {
    89            end = true;
    90            break;
    91          }
    92          if (next === '$' && !escaped && quote !== '\'') {
    93            escaped = true;
    94            stream.backUp(1);
    95            state.tokens.unshift(tokenDollar);
    96            break;
    97          }
    98          escaped = !escaped && next === '\\';
    99        }
   100        if (end || !escaped) {
   101          state.tokens.shift();
   102        }
   103        return (quote === '`' || quote === ')' ? 'quote' : 'string');
   104      };
   105    };
   106  
   107    var tokenDollar = function(stream, state) {
   108      if (state.tokens.length > 1) stream.eat('$');
   109      var ch = stream.next(), hungry = /\w/;
   110      if (ch === '{') hungry = /[^}]/;
   111      if (ch === '(') {
   112        state.tokens[0] = tokenString(')');
   113        return tokenize(stream, state);
   114      }
   115      if (!/\d/.test(ch)) {
   116        stream.eatWhile(hungry);
   117        stream.eat('}');
   118      }
   119      state.tokens.shift();
   120      return 'def';
   121    };
   122  
   123    function tokenize(stream, state) {
   124      return (state.tokens[0] || tokenBase) (stream, state);
   125    };
   126  
   127    return {
   128      startState: function() {return {tokens:[]};},
   129      token: function(stream, state) {
   130        return tokenize(stream, state);
   131      },
   132      lineComment: '#',
   133      fold: "brace"
   134    };
   135  });
   136  
   137  CodeMirror.defineMIME('text/x-sh', 'shell');
   138  
   139  });