wcfsetup/install/files/js/3rdParty/codemirror/addon/runmode/runmode.node.js

   1 /* Just enough of CodeMirror to run runMode under node.js */
   2
   3 // declare global: StringStream
   4
   5 function splitLines(string){ return string.split(/\r?\n|\r/); };
   6
   7 function StringStream(string) {
   8   this.pos = this.start = 0;
   9   this.string = string;
  10   this.lineStart = 0;
  11 }
  12 StringStream.prototype = {
  13   eol: function() {return this.pos >= this.string.length;},
  14   sol: function() {return this.pos == 0;},
  15   peek: function() {return this.string.charAt(this.pos) || null;},
  16   next: function() {
  17     if (this.pos < this.string.length)
  18       return this.string.charAt(this.pos++);
  19   },
  20   eat: function(match) {
  21     var ch = this.string.charAt(this.pos);
  22     if (typeof match == "string") var ok = ch == match;
  23     else var ok = ch && (match.test ? match.test(ch) : match(ch));
  24     if (ok) {++this.pos; return ch;}
  25   },
  26   eatWhile: function(match) {
  27     var start = this.pos;
  28     while (this.eat(match)){}
  29     return this.pos > start;
  30   },
  31   eatSpace: function() {
  32     var start = this.pos;
  33     while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
  34     return this.pos > start;
  35   },
  36   skipToEnd: function() {this.pos = this.string.length;},
  37   skipTo: function(ch) {
  38     var found = this.string.indexOf(ch, this.pos);
  39     if (found > -1) {this.pos = found; return true;}
  40   },
  41   backUp: function(n) {this.pos -= n;},
  42   column: function() {return this.start - this.lineStart;},
  43   indentation: function() {return 0;},
  44   match: function(pattern, consume, caseInsensitive) {
  45     if (typeof pattern == "string") {
  46       var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
  47       var substr = this.string.substr(this.pos, pattern.length);
  48       if (cased(substr) == cased(pattern)) {
  49         if (consume !== false) this.pos += pattern.length;
  50         return true;
  51       }
  52     } else {
  53       var match = this.string.slice(this.pos).match(pattern);
  54       if (match && match.index > 0) return null;
  55       if (match && consume !== false) this.pos += match[0].length;
  56       return match;
  57     }
  58   },
  59   current: function(){return this.string.slice(this.start, this.pos);},
  60   hideFirstChars: function(n, inner) {
  61     this.lineStart += n;
  62     try { return inner(); }
  63     finally { this.lineStart -= n; }
  64   }
  65 };
  66 exports.StringStream = StringStream;
  67
  68 exports.startState = function(mode, a1, a2) {
  69   return mode.startState ? mode.startState(a1, a2) : true;
  70 };
  71
  72 var modes = exports.modes = {}, mimeModes = exports.mimeModes = {};
  73 exports.defineMode = function(name, mode) {
  74   if (arguments.length > 2) {
  75     mode.dependencies = [];
  76     for (var i = 2; i < arguments.length; ++i) mode.dependencies.push(arguments[i]);
  77   }
  78   modes[name] = mode;
  79 };
  80 exports.defineMIME = function(mime, spec) { mimeModes[mime] = spec; };
  81
  82 exports.defineMode("null", function() {
  83   return {token: function(stream) {stream.skipToEnd();}};
  84 });
  85 exports.defineMIME("text/plain", "null");
  86
  87 exports.resolveMode = function(spec) {
  88   if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
  89     spec = mimeModes[spec];
  90   } else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
  91     spec = mimeModes[spec.name];
  92   }
  93   if (typeof spec == "string") return {name: spec};
  94   else return spec || {name: "null"};
  95 };
  96 exports.getMode = function(options, spec) {
  97   spec = exports.resolveMode(spec);
  98   var mfactory = modes[spec.name];
  99   if (!mfactory) throw new Error("Unknown mode: " + spec);
 100   return mfactory(options, spec);
 101 };
 102 exports.registerHelper = exports.registerGlobalHelper = Math.min;
 103
 104 exports.runMode = function(string, modespec, callback, options) {
 105   var mode = exports.getMode({indentUnit: 2}, modespec);
 106   var lines = splitLines(string), state = (options && options.state) || exports.startState(mode);
 107   for (var i = 0, e = lines.length; i < e; ++i) {
 108     if (i) callback("\n");
 109     var stream = new exports.StringStream(lines[i]);
 110     while (!stream.eol()) {
 111       var style = mode.token(stream, state);
 112       callback(stream.current(), style, i, stream.start, state);
 113       stream.start = stream.pos;
 114     }
 115   }
 116 };
 117
 118 require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")];