121 lines
4.2 KiB
JavaScript
121 lines
4.2 KiB
JavaScript
// CodeMirror, copyright (c) by Marijn Haverbeke and others
|
|
// Distributed under an MIT license: http://codemirror.net/LICENSE
|
|
|
|
/* Just enough of CodeMirror to run runMode under node.js */
|
|
|
|
// declare global: StringStream
|
|
|
|
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; }
|
|
}
|
|
};
|
|
exports.StringStream = StringStream;
|
|
|
|
exports.startState = function(mode, a1, a2) {
|
|
return mode.startState ? mode.startState(a1, a2) : true;
|
|
};
|
|
|
|
var modes = exports.modes = {}, mimeModes = exports.mimeModes = {};
|
|
exports.defineMode = function(name, mode) {
|
|
if (arguments.length > 2)
|
|
mode.dependencies = Array.prototype.slice.call(arguments, 2);
|
|
modes[name] = mode;
|
|
};
|
|
exports.defineMIME = function(mime, spec) { mimeModes[mime] = spec; };
|
|
|
|
exports.defineMode("null", function() {
|
|
return {token: function(stream) {stream.skipToEnd();}};
|
|
});
|
|
exports.defineMIME("text/plain", "null");
|
|
|
|
exports.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"};
|
|
};
|
|
exports.getMode = function(options, spec) {
|
|
spec = exports.resolveMode(spec);
|
|
var mfactory = modes[spec.name];
|
|
if (!mfactory) throw new Error("Unknown mode: " + spec);
|
|
return mfactory(options, spec);
|
|
};
|
|
exports.registerHelper = exports.registerGlobalHelper = Math.min;
|
|
|
|
exports.runMode = function(string, modespec, callback, options) {
|
|
var mode = exports.getMode({indentUnit: 2}, modespec);
|
|
var lines = splitLines(string), state = (options && options.state) || exports.startState(mode);
|
|
for (var i = 0, e = lines.length; i < e; ++i) {
|
|
if (i) callback("\n");
|
|
var stream = new exports.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;
|
|
}
|
|
}
|
|
};
|
|
|
|
require.cache[require.resolve("../../lib/codemirror")] = require.cache[require.resolve("./runmode.node")];
|