1 var path = require('path'),
5 require.paths.unshift(path.join(__dirname, '..'));
9 Parser: require('less/parser').Parser,
10 importer: require('less/parser').importer,
11 tree: require('less/tree'),
12 render: function (input, options, callback) {
13 options = options || {};
15 if (typeof(options) === 'function') {
16 callback = options, options = {};
19 var parser = new(this.Parser)(options),
23 parser.parse(input, function (e, root) {
24 callback(e, root.toCSS(options));
27 ee = new(require('events').EventEmitter);
29 process.nextTick(function () {
30 parser.parse(input, function (e, root) {
31 if (e) { ee.emit('error', e) }
32 else { ee.emit('success', root.toCSS(options)) }
38 writeError: function (ctx, options) {
40 var extract = ctx.extract;
42 var stylize = options.color ? less.stylize : function (str) { return str };
44 options = options || {};
46 if (options.silent) { return }
49 return sys.error(ctx.stack || ctx.message);
52 if (typeof(extract[0]) === 'string') {
53 error.push(stylize((ctx.line - 1) + ' ' + extract[0], 'grey'));
56 error.push(ctx.line + ' ' + extract[1].slice(0, ctx.column)
57 + stylize(stylize(extract[1][ctx.column], 'bold')
58 + extract[1].slice(ctx.column + 1), 'yellow'));
60 if (typeof(extract[2]) === 'string') {
61 error.push(stylize((ctx.line + 1) + ' ' + extract[2], 'grey'));
63 error = error.join('\n') + '\033[0m\n';
65 message += stylize(ctx.message, 'red');
66 ctx.filename && (message += stylize(' in ', 'red') + ctx.filename);
68 sys.error(message, error);
71 sys.error(stylize('from ', 'red') + (ctx.filename || ''));
72 sys.error(stylize(ctx.callLine, 'grey') + ' ' + ctx.callExtract);
74 if (ctx.stack) { sys.error(stylize(ctx.stack, 'red')) }
78 ['color', 'directive', 'operation', 'dimension',
79 'keyword', 'variable', 'ruleset', 'element',
80 'selector', 'quoted', 'expression', 'rule',
81 'call', 'url', 'alpha', 'import',
82 'mixin', 'comment', 'anonymous', 'value', 'javascript'
83 ].forEach(function (n) {
84 require(path.join('less', 'tree', n));
87 less.Parser.importer = function (file, paths, callback) {
92 for (var i = 0; i < paths.length; i++) {
94 pathname = path.join(paths[i], file);
95 fs.statSync(pathname);
103 fs.readFile(pathname, 'utf-8', function(e, data) {
107 paths: [path.dirname(pathname)].concat(paths),
109 }).parse(data, function (e, root) {
110 if (e) less.writeError(e);
115 sys.error("file '" + file + "' wasn't found.\n");
120 require('less/functions');
122 for (var k in less) { exports[k] = less[k] }
125 function stylize(str, style) {
129 'underline' : [4, 24],
135 return '\033[' + styles[style][0] + 'm' + str +
136 '\033[' + styles[style][1] + 'm';
138 less.stylize = stylize;