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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: http://codemirror.net/LICENSE
window.CodeMirror = {};
(function() {
"use strict";
function splitLines(string){ return string.split(/\r?\n|\r/); };
function StringStream(string) {
this.pos = this.start = 0;
this.string = string;
this.lineStart = 0;
}
StringStream.prototype = {
eol: function() {return this.pos >= this.string.length;},
sol: function() {return this.pos == 0;},
peek: function() {return this.string.charAt(this.pos) || null;},
next: function() {
if (this.pos < this.string.length)
return this.string.charAt(this.pos++);
},
eat: function(match) {
var ch = this.string.charAt(this.pos);
if (typeof match == "string") var ok = ch == match;
else var ok = ch && (match.test ? match.test(ch) : match(ch));
if (ok) {++this.pos; return ch;}
},
eatWhile: function(match) {
var start = this.pos;
while (this.eat(match)){}
return this.pos > start;
},
eatSpace: function() {
var start = this.pos;
while (/[\s\u00a0]/.test(this.string.charAt(this.pos))) ++this.pos;
return this.pos > start;
},
skipToEnd: function() {this.pos = this.string.length;},
skipTo: function(ch) {
var found = this.string.indexOf(ch, this.pos);
if (found > -1) {this.pos = found; return true;}
},
backUp: function(n) {this.pos -= n;},
column: function() {return this.start - this.lineStart;},
indentation: function() {return 0;},
match: function(pattern, consume, caseInsensitive) {
if (typeof pattern == "string") {
var cased = function(str) {return caseInsensitive ? str.toLowerCase() : str;};
var substr = this.string.substr(this.pos, pattern.length);
if (cased(substr) == cased(pattern)) {
if (consume !== false) this.pos += pattern.length;
return true;
}
} else {
var match = this.string.slice(this.pos).match(pattern);
if (match && match.index > 0) return null;
if (match && consume !== false) this.pos += match[0].length;
return match;
}
},
current: function(){return this.string.slice(this.start, this.pos);},
hideFirstChars: function(n, inner) {
this.lineStart += n;
try { return inner(); }
finally { this.lineStart -= n; }
}
};
CodeMirror.StringStream = StringStream;
CodeMirror.startState = function (mode, a1, a2) {
return mode.startState ? mode.startState(a1, a2) : true;
};
var modes = CodeMirror.modes = {}, mimeModes = CodeMirror.mimeModes = {};
CodeMirror.defineMode = function (name, mode) {
if (arguments.length > 2)
mode.dependencies = Array.prototype.slice.call(arguments, 2);
modes[name] = mode;
};
CodeMirror.defineMIME = function (mime, spec) { mimeModes[mime] = spec; };
CodeMirror.resolveMode = function(spec) {
if (typeof spec == "string" && mimeModes.hasOwnProperty(spec)) {
spec = mimeModes[spec];
} else if (spec && typeof spec.name == "string" && mimeModes.hasOwnProperty(spec.name)) {
spec = mimeModes[spec.name];
}
if (typeof spec == "string") return {name: spec};
else return spec || {name: "null"};
};
CodeMirror.getMode = function (options, spec) {
spec = CodeMirror.resolveMode(spec);
var mfactory = modes[spec.name];
if (!mfactory) throw new Error("Unknown mode: " + spec);
return mfactory(options, spec);
};
CodeMirror.registerHelper = CodeMirror.registerGlobalHelper = Math.min;
CodeMirror.defineMode("null", function() {
return {token: function(stream) {stream.skipToEnd();}};
});
CodeMirror.defineMIME("text/plain", "null");
CodeMirror.runMode = function (string, modespec, callback, options) {
var mode = CodeMirror.getMode({ indentUnit: 2 }, modespec);
if (callback.nodeType == 1) {
var tabSize = (options && options.tabSize) || 4;
var node = callback, col = 0;
node.innerHTML = "";
callback = function (text, style) {
if (text == "\n") {
node.appendChild(document.createElement("br"));
col = 0;
return;
}
var content = "";
// replace tabs
for (var pos = 0; ;) {
var idx = text.indexOf("\t", pos);
if (idx == -1) {
content += text.slice(pos);
col += text.length - pos;
break;
} else {
col += idx - pos;
content += text.slice(pos, idx);
var size = tabSize - col % tabSize;
col += size;
for (var i = 0; i < size; ++i) content += " ";
pos = idx + 1;
}
}
if (style) {
var sp = node.appendChild(document.createElement("span"));
sp.className = "cm-" + style.replace(/ +/g, " cm-");
sp.appendChild(document.createTextNode(content));
} else {
node.appendChild(document.createTextNode(content));
}
};
}
var lines = splitLines(string), state = (options && options.state) || CodeMirror.startState(mode);
for (var i = 0, e = lines.length; i < e; ++i) {
if (i) callback("\n");
var stream = new CodeMirror.StringStream(lines[i]);
if (!stream.string && mode.blankLine) mode.blankLine(state);
while (!stream.eol()) {
var style = mode.token(stream, state);
callback(stream.current(), style, i, stream.start, state);
stream.start = stream.pos;
}
}
};
})();
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