Tizen Web UI Framework includes following tools used on build;
* less (http://lesscss.org)
+ * Version: 1.3.3
* Description: A dynamic CSS language compiler based on node.js
* Mods
* Support rem unit (build-tools/lib/less/parser.js)
// browser.js - client-side engine
//
-var isFileProtocol = (location.protocol === 'file:' ||
- location.protocol === 'chrome:' ||
- location.protocol === 'chrome-extension:' ||
- location.protocol === 'resource:');
+var isFileProtocol = /^(file|chrome(-extension)?|resource|qrc|app):/.test(location.protocol);
less.env = less.env || (location.hostname == '127.0.0.1' ||
location.hostname == '0.0.0.0' ||
// doesn't start loading before the stylesheets are parsed.
// Setting this to `true` can result in flickering.
//
-less.async = false;
+less.async = less.async || false;
+less.fileAsync = less.fileAsync || false;
// Interval between watch polls
less.poll = less.poll || (isFileProtocol ? 1000 : 1500);
+//Setup user functions
+if (less.functions) {
+ for(var func in less.functions) {
+ less.tree.functions[func] = less.functions[func];
+ }
+}
+
+var dumpLineNumbers = /!dumpLineNumbers:(comments|mediaquery|all)/.exec(location.hash);
+if (dumpLineNumbers) {
+ less.dumpLineNumbers = dumpLineNumbers[1];
+}
+
//
// Watch mode
//
-less.watch = function () { return this.watchMode = true };
-less.unwatch = function () { return this.watchMode = false };
+less.watch = function () {
+ if (!less.watchMode ){
+ less.env = 'development';
+ initRunningMode();
+ }
+ return this.watchMode = true
+};
-if (less.env === 'development') {
- less.optimization = 0;
+less.unwatch = function () {clearInterval(less.watchTimer); return this.watchMode = false; };
+
+function initRunningMode(){
+ if (less.env === 'development') {
+ less.optimization = 0;
+ less.watchTimer = setInterval(function () {
+ if (less.watchMode) {
+ loadStyleSheets(function (e, root, _, sheet, env) {
+ if (root) {
+ createCSS(root.toCSS(), sheet, env.lastModified);
+ }
+ });
+ }
+ }, less.poll);
+ } else {
+ less.optimization = 3;
+ }
+}
- if (/!watch/.test(location.hash)) {
- less.watch();
- }
- less.watchTimer = setInterval(function () {
- if (less.watchMode) {
- loadStyleSheets(function (root, sheet, env) {
- if (root) {
- createCSS(root.toCSS(), sheet, env.lastModified);
- }
- });
- }
- }, less.poll);
-} else {
- less.optimization = 3;
+if (/!watch/.test(location.hash)) {
+ less.watch();
}
-var cache;
+var cache = null;
-try {
- cache = (typeof(window.localStorage) === 'undefined') ? null : window.localStorage;
-} catch (_) {
- cache = null;
+if (less.env != 'development') {
+ try {
+ cache = (typeof(window.localStorage) === 'undefined') ? null : window.localStorage;
+ } catch (_) {}
}
//
}
}
+//
+// With this function, it's possible to alter variables and re-render
+// CSS without reloading less-files
+//
+var session_cache = '';
+less.modifyVars = function(record) {
+ var str = session_cache;
+ for (name in record) {
+ str += ((name.slice(0,1) === '@')? '' : '@') + name +': '+
+ ((record[name].slice(-1) === ';')? record[name] : record[name] +';');
+ }
+ new(less.Parser)().parse(str, function (e, root) {
+ createCSS(root.toCSS(), less.sheets[less.sheets.length - 1]);
+ });
+};
less.refresh = function (reload) {
var startTime, endTime;
startTime = endTime = new(Date);
- loadStyleSheets(function (root, sheet, env) {
+ loadStyleSheets(function (e, root, _, sheet, env) {
if (env.local) {
log("loading " + sheet.href + " from cache.");
} else {
var styles = document.getElementsByTagName('style');
for (var i = 0; i < styles.length; i++) {
if (styles[i].type.match(typePattern)) {
- new(less.Parser)().parse(styles[i].innerHTML || '', function (e, tree) {
+ new(less.Parser)({
+ filename: document.location.href.replace(/#.*$/, ''),
+ dumpLineNumbers: less.dumpLineNumbers
+ }).parse(styles[i].innerHTML || '', function (e, tree) {
var css = tree.toCSS();
var style = styles[i];
- try {
+ style.type = 'text/css';
+ if (style.styleSheet) {
+ style.styleSheet.cssText = css;
+ } else {
style.innerHTML = css;
- } catch (_) {
- style.styleSheets.cssText = css;
}
- style.type = 'text/css';
});
}
}
}
}
+function pathDiff(url, baseUrl) {
+ // diff between two paths to create a relative path
+
+ var urlParts = extractUrlParts(url),
+ baseUrlParts = extractUrlParts(baseUrl),
+ i, max, urlDirectories, baseUrlDirectories, diff = "";
+ if (urlParts.hostPart !== baseUrlParts.hostPart) {
+ return "";
+ }
+ max = Math.max(baseUrlParts.directories.length, urlParts.directories.length);
+ for(i = 0; i < max; i++) {
+ if (baseUrlParts.directories[i] !== urlParts.directories[i]) { break; }
+ }
+ baseUrlDirectories = baseUrlParts.directories.slice(i);
+ urlDirectories = urlParts.directories.slice(i);
+ for(i = 0; i < baseUrlDirectories.length-1; i++) {
+ diff += "../";
+ }
+ for(i = 0; i < urlDirectories.length-1; i++) {
+ diff += urlDirectories[i] + "/";
+ }
+ return diff;
+}
+
+function extractUrlParts(url, baseUrl) {
+ // urlParts[1] = protocol&hostname || /
+ // urlParts[2] = / if path relative to host base
+ // urlParts[3] = directories
+ // urlParts[4] = filename
+ // urlParts[5] = parameters
+
+ var urlPartsRegex = /^((?:[a-z-]+:)?\/\/(?:[^\/\?#]+\/)|([\/\\]))?((?:[^\/\\\?#]+[\/\\])*)([^\/\\\?#]*)([#\?].*)?$/,
+ urlParts = url.match(urlPartsRegex),
+ returner = {}, directories = [], i, baseUrlParts;
+
+ if (!urlParts) {
+ throw new Error("Could not parse sheet href - '"+url+"'");
+ }
+
+ // Stylesheets in IE don't always return the full path
+ if (!urlParts[1] || urlParts[2]) {
+ baseUrlParts = baseUrl.match(urlPartsRegex);
+ if (!baseUrlParts) {
+ throw new Error("Could not parse page url - '"+baseUrl+"'");
+ }
+ urlParts[1] = baseUrlParts[1];
+ if (!urlParts[2]) {
+ urlParts[3] = baseUrlParts[3] + urlParts[3];
+ }
+ }
+
+ if (urlParts[3]) {
+ directories = urlParts[3].replace("\\", "/").split("/");
+
+ for(i = 0; i < directories.length; i++) {
+ if (directories[i] === ".." && i > 0) {
+ directories.splice(i-1, 2);
+ i -= 2;
+ }
+ }
+ }
+
+ returner.hostPart = urlParts[1];
+ returner.directories = directories;
+ returner.path = urlParts[1] + directories.join("/");
+ returner.fileUrl = returner.path + (urlParts[4] || "");
+ returner.url = returner.fileUrl + (urlParts[5] || "");
+ return returner;
+}
+
function loadStyleSheet(sheet, callback, reload, remaining) {
- var url = window.location.href.replace(/[#?].*$/, '');
- var href = sheet.href.replace(/\?.*$/, '');
+ // sheet may be set to the stylesheet for the initial load or a collection of properties including
+ // some env variables for imports
+ var contents = sheet.contents || {};
+ var files = sheet.files || {};
+ var hrefParts = extractUrlParts(sheet.href, window.location.href);
+ var href = hrefParts.url;
var css = cache && cache.getItem(href);
var timestamp = cache && cache.getItem(href + ':timestamp');
var styles = { css: css, timestamp: timestamp };
+ var rootpath;
- // Stylesheets in IE don't always return the full path
- if (! /^(https?|file):/.test(href)) {
- if (href.charAt(0) == "/") {
- href = window.location.protocol + "//" + window.location.host + href;
+ if (less.relativeUrls) {
+ if (less.rootpath) {
+ if (sheet.entryPath) {
+ rootpath = extractUrlParts(less.rootpath + pathDiff(hrefParts.path, sheet.entryPath)).path;
+ } else {
+ rootpath = less.rootpath;
+ }
+ } else {
+ rootpath = hrefParts.path;
+ }
+ } else {
+ if (less.rootpath) {
+ rootpath = less.rootpath;
} else {
- href = url.slice(0, url.lastIndexOf('/') + 1) + href;
+ if (sheet.entryPath) {
+ rootpath = sheet.entryPath;
+ } else {
+ rootpath = hrefParts.path;
+ }
}
}
- xhr(sheet.href, sheet.type, function (data, lastModified) {
+ xhr(href, sheet.type, function (data, lastModified) {
+ // Store data this session
+ session_cache += data.replace(/@import .+?;/ig, '');
+
if (!reload && styles && lastModified &&
(new(Date)(lastModified).valueOf() ===
new(Date)(styles.timestamp).valueOf())) {
// Use local copy
createCSS(styles.css, sheet);
- callback(null, sheet, { local: true, remaining: remaining });
+ callback(null, null, data, sheet, { local: true, remaining: remaining }, href);
} else {
// Use remote copy (re-parse)
try {
+ contents[href] = data; // Updating top importing parser content cache
new(less.Parser)({
optimization: less.optimization,
- paths: [href.replace(/[\w\.-]+$/, '')],
- mime: sheet.type
+ paths: [hrefParts.path],
+ entryPath: sheet.entryPath || hrefParts.path,
+ mime: sheet.type,
+ filename: href,
+ rootpath: rootpath,
+ relativeUrls: sheet.relativeUrls,
+ contents: contents, // Passing top importing parser content cache ref down.
+ files: files,
+ dumpLineNumbers: less.dumpLineNumbers
}).parse(data, function (e, root) {
if (e) { return error(e, href) }
try {
- callback(root, sheet, { local: false, lastModified: lastModified, remaining: remaining });
+ callback(e, root, data, sheet, { local: false, lastModified: lastModified, remaining: remaining }, href);
removeNode(document.getElementById('less-error-message:' + extractId(href)));
} catch (e) {
error(e, href);
function extractId(href) {
return href.replace(/^[a-z]+:\/\/?[^\/]+/, '' ) // Remove protocol & domain
.replace(/^\//, '' ) // Remove root /
- .replace(/\?.*$/, '' ) // Remove query
- .replace(/\.[^\.\/]+$/, '' ) // Remove file extension
+ .replace(/\.[a-zA-Z]+$/, '' ) // Remove simple extension
.replace(/[^\.\w-]+/g, '-') // Replace illegal characters
.replace(/\./g, ':'); // Replace dots with colons(for valid id)
}
var css;
// Strip the query-string
- var href = sheet.href ? sheet.href.replace(/\?.*$/, '') : '';
+ var href = sheet.href || '';
// If there is no title set, use the filename, minus the extension
var id = 'less:' + (sheet.title || extractId(href));
if ((css = document.getElementById(id)) === null) {
css = document.createElement('style');
css.type = 'text/css';
- css.media = sheet.media || 'screen';
+ if( sheet.media ){ css.media = sheet.media; }
css.id = id;
- document.getElementsByTagName('head')[0].appendChild(css);
+ var nextEl = sheet && sheet.nextSibling || null;
+ (nextEl || document.getElementsByTagName('head')[0]).parentNode.insertBefore(css, nextEl);
}
if (css.styleSheet) { // IE
// Don't update the local store if the file wasn't modified
if (lastModified && cache) {
log('saving ' + href + ' to cache.');
- cache.setItem(href, styles);
- cache.setItem(href + ':timestamp', lastModified);
+ try {
+ cache.setItem(href, styles);
+ cache.setItem(href + ':timestamp', lastModified);
+ } catch(e) {
+ //TODO - could do with adding more robust error handling
+ log('failed to save');
+ }
}
}
function xhr(url, type, callback, errback) {
var xhr = getXMLHttpRequest();
- var async = isFileProtocol ? false : less.async;
+ var async = isFileProtocol ? less.fileAsync : less.async;
if (typeof(xhr.overrideMimeType) === 'function') {
xhr.overrideMimeType('text/css');
xhr.setRequestHeader('Accept', type || 'text/x-less, text/css; q=0.9, */*; q=0.5');
xhr.send(null);
- if (isFileProtocol) {
- if (xhr.status === 0) {
+ if (isFileProtocol && !less.fileAsync) {
+ if (xhr.status === 0 || (xhr.status >= 200 && xhr.status < 300)) {
callback(xhr.responseText);
} else {
errback(xhr.status, url);
function error(e, href) {
var id = 'less-error-message:' + extractId(href);
-
- var template = ['<ul>',
- '<li><label>[-1]</label><pre class="ctx">{0}</pre></li>',
- '<li><label>[0]</label><pre>{current}</pre></li>',
- '<li><label>[1]</label><pre class="ctx">{2}</pre></li>',
- '</ul>'].join('\n');
-
- var elem = document.createElement('div'), timer, content;
+ var template = '<li><label>{line}</label><pre class="{class}">{content}</pre></li>';
+ var elem = document.createElement('div'), timer, content, error = [];
+ var filename = e.filename || href;
+ var filenameNoPath = filename.match(/([^\/]+(\?.*)?)$/)[1];
elem.id = id;
elem.className = "less-error-message";
content = '<h3>' + (e.message || 'There is an error in your .less file') +
- '</h3>' + '<p><a href="' + href + '">' + href + "</a> ";
+ '</h3>' + '<p>in <a href="' + filename + '">' + filenameNoPath + "</a> ";
- if (e.extract) {
+ var errorline = function (e, i, classname) {
+ if (e.extract[i]) {
+ error.push(template.replace(/\{line\}/, parseInt(e.line) + (i - 1))
+ .replace(/\{class\}/, classname)
+ .replace(/\{content\}/, e.extract[i]));
+ }
+ };
+
+ if (e.stack) {
+ content += '<br/>' + e.stack.split('\n').slice(1).join('<br/>');
+ } else if (e.extract) {
+ errorline(e, 0, '');
+ errorline(e, 1, 'line');
+ errorline(e, 2, '');
content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':</p>' +
- template.replace(/\[(-?\d)\]/g, function (_, i) {
- return (parseInt(e.line) + parseInt(i)) || '';
- }).replace(/\{(\d)\}/g, function (_, i) {
- return e.extract[parseInt(i)] || '';
- }).replace(/\{current\}/, e.extract[1].slice(0, e.column) + '<span class="error">' +
- e.extract[1].slice(e.column) + '</span>');
+ '<ul>' + error.join('') + '</ul>';
}
elem.innerHTML = content;
'color: #cc7777;',
'}',
'.less-error-message pre {',
- 'color: #ee4444;',
+ 'color: #dd6666;',
'padding: 4px 0;',
'margin: 0;',
'display: inline-block;',
'}',
- '.less-error-message pre.ctx {',
- 'color: #dd4444;',
+ '.less-error-message pre.line {',
+ 'color: #ff0000;',
'}',
'.less-error-message h3 {',
'font-size: 20px;',
}, 10);
}
}
-
--- /dev/null
+(function (tree) {
+ tree.colors = {
+ 'aliceblue':'#f0f8ff',
+ 'antiquewhite':'#faebd7',
+ 'aqua':'#00ffff',
+ 'aquamarine':'#7fffd4',
+ 'azure':'#f0ffff',
+ 'beige':'#f5f5dc',
+ 'bisque':'#ffe4c4',
+ 'black':'#000000',
+ 'blanchedalmond':'#ffebcd',
+ 'blue':'#0000ff',
+ 'blueviolet':'#8a2be2',
+ 'brown':'#a52a2a',
+ 'burlywood':'#deb887',
+ 'cadetblue':'#5f9ea0',
+ 'chartreuse':'#7fff00',
+ 'chocolate':'#d2691e',
+ 'coral':'#ff7f50',
+ 'cornflowerblue':'#6495ed',
+ 'cornsilk':'#fff8dc',
+ 'crimson':'#dc143c',
+ 'cyan':'#00ffff',
+ 'darkblue':'#00008b',
+ 'darkcyan':'#008b8b',
+ 'darkgoldenrod':'#b8860b',
+ 'darkgray':'#a9a9a9',
+ 'darkgrey':'#a9a9a9',
+ 'darkgreen':'#006400',
+ 'darkkhaki':'#bdb76b',
+ 'darkmagenta':'#8b008b',
+ 'darkolivegreen':'#556b2f',
+ 'darkorange':'#ff8c00',
+ 'darkorchid':'#9932cc',
+ 'darkred':'#8b0000',
+ 'darksalmon':'#e9967a',
+ 'darkseagreen':'#8fbc8f',
+ 'darkslateblue':'#483d8b',
+ 'darkslategray':'#2f4f4f',
+ 'darkslategrey':'#2f4f4f',
+ 'darkturquoise':'#00ced1',
+ 'darkviolet':'#9400d3',
+ 'deeppink':'#ff1493',
+ 'deepskyblue':'#00bfff',
+ 'dimgray':'#696969',
+ 'dimgrey':'#696969',
+ 'dodgerblue':'#1e90ff',
+ 'firebrick':'#b22222',
+ 'floralwhite':'#fffaf0',
+ 'forestgreen':'#228b22',
+ 'fuchsia':'#ff00ff',
+ 'gainsboro':'#dcdcdc',
+ 'ghostwhite':'#f8f8ff',
+ 'gold':'#ffd700',
+ 'goldenrod':'#daa520',
+ 'gray':'#808080',
+ 'grey':'#808080',
+ 'green':'#008000',
+ 'greenyellow':'#adff2f',
+ 'honeydew':'#f0fff0',
+ 'hotpink':'#ff69b4',
+ 'indianred':'#cd5c5c',
+ 'indigo':'#4b0082',
+ 'ivory':'#fffff0',
+ 'khaki':'#f0e68c',
+ 'lavender':'#e6e6fa',
+ 'lavenderblush':'#fff0f5',
+ 'lawngreen':'#7cfc00',
+ 'lemonchiffon':'#fffacd',
+ 'lightblue':'#add8e6',
+ 'lightcoral':'#f08080',
+ 'lightcyan':'#e0ffff',
+ 'lightgoldenrodyellow':'#fafad2',
+ 'lightgray':'#d3d3d3',
+ 'lightgrey':'#d3d3d3',
+ 'lightgreen':'#90ee90',
+ 'lightpink':'#ffb6c1',
+ 'lightsalmon':'#ffa07a',
+ 'lightseagreen':'#20b2aa',
+ 'lightskyblue':'#87cefa',
+ 'lightslategray':'#778899',
+ 'lightslategrey':'#778899',
+ 'lightsteelblue':'#b0c4de',
+ 'lightyellow':'#ffffe0',
+ 'lime':'#00ff00',
+ 'limegreen':'#32cd32',
+ 'linen':'#faf0e6',
+ 'magenta':'#ff00ff',
+ 'maroon':'#800000',
+ 'mediumaquamarine':'#66cdaa',
+ 'mediumblue':'#0000cd',
+ 'mediumorchid':'#ba55d3',
+ 'mediumpurple':'#9370d8',
+ 'mediumseagreen':'#3cb371',
+ 'mediumslateblue':'#7b68ee',
+ 'mediumspringgreen':'#00fa9a',
+ 'mediumturquoise':'#48d1cc',
+ 'mediumvioletred':'#c71585',
+ 'midnightblue':'#191970',
+ 'mintcream':'#f5fffa',
+ 'mistyrose':'#ffe4e1',
+ 'moccasin':'#ffe4b5',
+ 'navajowhite':'#ffdead',
+ 'navy':'#000080',
+ 'oldlace':'#fdf5e6',
+ 'olive':'#808000',
+ 'olivedrab':'#6b8e23',
+ 'orange':'#ffa500',
+ 'orangered':'#ff4500',
+ 'orchid':'#da70d6',
+ 'palegoldenrod':'#eee8aa',
+ 'palegreen':'#98fb98',
+ 'paleturquoise':'#afeeee',
+ 'palevioletred':'#d87093',
+ 'papayawhip':'#ffefd5',
+ 'peachpuff':'#ffdab9',
+ 'peru':'#cd853f',
+ 'pink':'#ffc0cb',
+ 'plum':'#dda0dd',
+ 'powderblue':'#b0e0e6',
+ 'purple':'#800080',
+ 'red':'#ff0000',
+ 'rosybrown':'#bc8f8f',
+ 'royalblue':'#4169e1',
+ 'saddlebrown':'#8b4513',
+ 'salmon':'#fa8072',
+ 'sandybrown':'#f4a460',
+ 'seagreen':'#2e8b57',
+ 'seashell':'#fff5ee',
+ 'sienna':'#a0522d',
+ 'silver':'#c0c0c0',
+ 'skyblue':'#87ceeb',
+ 'slateblue':'#6a5acd',
+ 'slategray':'#708090',
+ 'slategrey':'#708090',
+ 'snow':'#fffafa',
+ 'springgreen':'#00ff7f',
+ 'steelblue':'#4682b4',
+ 'tan':'#d2b48c',
+ 'teal':'#008080',
+ 'thistle':'#d8bfd8',
+ 'tomato':'#ff6347',
+ // 'transparent':'rgba(0,0,0,0)',
+ 'turquoise':'#40e0d0',
+ 'violet':'#ee82ee',
+ 'wheat':'#f5deb3',
+ 'white':'#ffffff',
+ 'whitesmoke':'#f5f5f5',
+ 'yellow':'#ffff00',
+ 'yellowgreen':'#9acd32'
+ };
+})(require('./tree'));
return this.rgba(r, g, b, 1.0);
},
rgba: function (r, g, b, a) {
- var rgb = [r, g, b].map(function (c) { return number(c) }),
- a = number(a);
+ var rgb = [r, g, b].map(function (c) { return scaled(c, 256); });
+ a = number(a);
return new(tree.Color)(rgb, a);
},
hsl: function (h, s, l) {
else return m1;
}
},
+
+ hsv: function(h, s, v) {
+ return this.hsva(h, s, v, 1.0);
+ },
+
+ hsva: function(h, s, v, a) {
+ h = ((number(h) % 360) / 360) * 360;
+ s = number(s); v = number(v); a = number(a);
+
+ var i, f;
+ i = Math.floor((h / 60) % 6);
+ f = (h / 60) - i;
+
+ var vs = [v,
+ v * (1 - s),
+ v * (1 - f * s),
+ v * (1 - (1 - f) * s)];
+ var perm = [[0, 3, 1],
+ [2, 0, 1],
+ [1, 0, 3],
+ [1, 2, 0],
+ [3, 1, 0],
+ [0, 1, 2]];
+
+ return this.rgba(vs[perm[i][0]] * 255,
+ vs[perm[i][1]] * 255,
+ vs[perm[i][2]] * 255,
+ a);
+ },
+
hue: function (color) {
return new(tree.Dimension)(Math.round(color.toHSL().h));
},
lightness: function (color) {
return new(tree.Dimension)(Math.round(color.toHSL().l * 100), '%');
},
+ red: function (color) {
+ return new(tree.Dimension)(color.rgb[0]);
+ },
+ green: function (color) {
+ return new(tree.Dimension)(color.rgb[1]);
+ },
+ blue: function (color) {
+ return new(tree.Dimension)(color.rgb[2]);
+ },
alpha: function (color) {
return new(tree.Dimension)(color.toHSL().a);
},
+ luma: function (color) {
+ return new(tree.Dimension)(Math.round((0.2126 * (color.rgb[0]/255) +
+ 0.7152 * (color.rgb[1]/255) +
+ 0.0722 * (color.rgb[2]/255)) *
+ color.alpha * 100), '%');
+ },
saturate: function (color, amount) {
var hsl = color.toHSL();
// http://sass-lang.com
//
mix: function (color1, color2, weight) {
+ if (!weight) {
+ weight = new(tree.Dimension)(50);
+ }
var p = weight.value / 100.0;
var w = p * 2 - 1;
var a = color1.toHSL().a - color2.toHSL().a;
greyscale: function (color) {
return this.desaturate(color, new(tree.Dimension)(100));
},
+ contrast: function (color, dark, light, threshold) {
+ // filter: contrast(3.2);
+ // should be kept as is, so check for color
+ if (!color.rgb) {
+ return null;
+ }
+ if (typeof light === 'undefined') {
+ light = this.rgba(255, 255, 255, 1.0);
+ }
+ if (typeof dark === 'undefined') {
+ dark = this.rgba(0, 0, 0, 1.0);
+ }
+ if (typeof threshold === 'undefined') {
+ threshold = 0.43;
+ } else {
+ threshold = threshold.value;
+ }
+ if (((0.2126 * (color.rgb[0]/255) + 0.7152 * (color.rgb[1]/255) + 0.0722 * (color.rgb[2]/255)) * color.alpha) < threshold) {
+ return light;
+ } else {
+ return dark;
+ }
+ },
e: function (str) {
return new(tree.Anonymous)(str instanceof tree.JavaScript ? str.evaluated : str);
},
str = str.replace(/%%/g, '%');
return new(tree.Quoted)('"' + str + '"', str);
},
- round: function (n) {
+ unit: function (val, unit) {
+ return new(tree.Dimension)(val.value, unit ? unit.toCSS() : "");
+ },
+ round: function (n, f) {
+ var fraction = typeof(f) === "undefined" ? 0 : f.value;
+ return this._math(function(num) { return num.toFixed(fraction); }, n);
+ },
+ ceil: function (n) {
+ return this._math(Math.ceil, n);
+ },
+ floor: function (n) {
+ return this._math(Math.floor, n);
+ },
+ _math: function (fn, n) {
if (n instanceof tree.Dimension) {
- return new(tree.Dimension)(Math.round(number(n)), n.unit);
+ return new(tree.Dimension)(fn(parseFloat(n.value)), n.unit);
} else if (typeof(n) === 'number') {
- return Math.round(n);
+ return fn(n);
} else {
- throw {
- error: "RuntimeError",
- message: "math functions take numbers as parameters"
- };
+ throw { type: "Argument", message: "argument must be a number" };
}
},
argb: function (color) {
return new(tree.Anonymous)(color.toARGB());
+ },
+ percentage: function (n) {
+ return new(tree.Dimension)(n.value * 100, '%');
+ },
+ color: function (n) {
+ if (n instanceof tree.Quoted) {
+ return new(tree.Color)(n.value.slice(1));
+ } else {
+ throw { type: "Argument", message: "argument must be a string" };
+ }
+ },
+ iscolor: function (n) {
+ return this._isa(n, tree.Color);
+ },
+ isnumber: function (n) {
+ return this._isa(n, tree.Dimension);
+ },
+ isstring: function (n) {
+ return this._isa(n, tree.Quoted);
+ },
+ iskeyword: function (n) {
+ return this._isa(n, tree.Keyword);
+ },
+ isurl: function (n) {
+ return this._isa(n, tree.URL);
+ },
+ ispixel: function (n) {
+ return (n instanceof tree.Dimension) && n.unit === 'px' ? tree.True : tree.False;
+ },
+ ispercentage: function (n) {
+ return (n instanceof tree.Dimension) && n.unit === '%' ? tree.True : tree.False;
+ },
+ isem: function (n) {
+ return (n instanceof tree.Dimension) && n.unit === 'em' ? tree.True : tree.False;
+ },
+ _isa: function (n, Type) {
+ return (n instanceof Type) ? tree.True : tree.False;
+ },
+
+ /* Blending modes */
+
+ multiply: function(color1, color2) {
+ var r = color1.rgb[0] * color2.rgb[0] / 255;
+ var g = color1.rgb[1] * color2.rgb[1] / 255;
+ var b = color1.rgb[2] * color2.rgb[2] / 255;
+ return this.rgb(r, g, b);
+ },
+ screen: function(color1, color2) {
+ var r = 255 - (255 - color1.rgb[0]) * (255 - color2.rgb[0]) / 255;
+ var g = 255 - (255 - color1.rgb[1]) * (255 - color2.rgb[1]) / 255;
+ var b = 255 - (255 - color1.rgb[2]) * (255 - color2.rgb[2]) / 255;
+ return this.rgb(r, g, b);
+ },
+ overlay: function(color1, color2) {
+ var r = color1.rgb[0] < 128 ? 2 * color1.rgb[0] * color2.rgb[0] / 255 : 255 - 2 * (255 - color1.rgb[0]) * (255 - color2.rgb[0]) / 255;
+ var g = color1.rgb[1] < 128 ? 2 * color1.rgb[1] * color2.rgb[1] / 255 : 255 - 2 * (255 - color1.rgb[1]) * (255 - color2.rgb[1]) / 255;
+ var b = color1.rgb[2] < 128 ? 2 * color1.rgb[2] * color2.rgb[2] / 255 : 255 - 2 * (255 - color1.rgb[2]) * (255 - color2.rgb[2]) / 255;
+ return this.rgb(r, g, b);
+ },
+ softlight: function(color1, color2) {
+ var t = color2.rgb[0] * color1.rgb[0] / 255;
+ var r = t + color1.rgb[0] * (255 - (255 - color1.rgb[0]) * (255 - color2.rgb[0]) / 255 - t) / 255;
+ t = color2.rgb[1] * color1.rgb[1] / 255;
+ var g = t + color1.rgb[1] * (255 - (255 - color1.rgb[1]) * (255 - color2.rgb[1]) / 255 - t) / 255;
+ t = color2.rgb[2] * color1.rgb[2] / 255;
+ var b = t + color1.rgb[2] * (255 - (255 - color1.rgb[2]) * (255 - color2.rgb[2]) / 255 - t) / 255;
+ return this.rgb(r, g, b);
+ },
+ hardlight: function(color1, color2) {
+ var r = color2.rgb[0] < 128 ? 2 * color2.rgb[0] * color1.rgb[0] / 255 : 255 - 2 * (255 - color2.rgb[0]) * (255 - color1.rgb[0]) / 255;
+ var g = color2.rgb[1] < 128 ? 2 * color2.rgb[1] * color1.rgb[1] / 255 : 255 - 2 * (255 - color2.rgb[1]) * (255 - color1.rgb[1]) / 255;
+ var b = color2.rgb[2] < 128 ? 2 * color2.rgb[2] * color1.rgb[2] / 255 : 255 - 2 * (255 - color2.rgb[2]) * (255 - color1.rgb[2]) / 255;
+ return this.rgb(r, g, b);
+ },
+ difference: function(color1, color2) {
+ var r = Math.abs(color1.rgb[0] - color2.rgb[0]);
+ var g = Math.abs(color1.rgb[1] - color2.rgb[1]);
+ var b = Math.abs(color1.rgb[2] - color2.rgb[2]);
+ return this.rgb(r, g, b);
+ },
+ exclusion: function(color1, color2) {
+ var r = color1.rgb[0] + color2.rgb[0] * (255 - color1.rgb[0] - color1.rgb[0]) / 255;
+ var g = color1.rgb[1] + color2.rgb[1] * (255 - color1.rgb[1] - color1.rgb[1]) / 255;
+ var b = color1.rgb[2] + color2.rgb[2] * (255 - color1.rgb[2] - color1.rgb[2]) / 255;
+ return this.rgb(r, g, b);
+ },
+ average: function(color1, color2) {
+ var r = (color1.rgb[0] + color2.rgb[0]) / 2;
+ var g = (color1.rgb[1] + color2.rgb[1]) / 2;
+ var b = (color1.rgb[2] + color2.rgb[2]) / 2;
+ return this.rgb(r, g, b);
+ },
+ negation: function(color1, color2) {
+ var r = 255 - Math.abs(255 - color2.rgb[0] - color1.rgb[0]);
+ var g = 255 - Math.abs(255 - color2.rgb[1] - color1.rgb[1]);
+ var b = 255 - Math.abs(255 - color2.rgb[2] - color1.rgb[2]);
+ return this.rgb(r, g, b);
+ },
+ tint: function(color, amount) {
+ return this.mix(this.rgb(255,255,255), color, amount);
+ },
+ shade: function(color, amount) {
+ return this.mix(this.rgb(0, 0, 0), color, amount);
}
};
-function hsla(hsla) {
- return tree.functions.hsla(hsla.h, hsla.s, hsla.l, hsla.a);
+function hsla(color) {
+ return tree.functions.hsla(color.h, color.s, color.l, color.a);
+}
+
+function scaled(n, size) {
+ if (n instanceof tree.Dimension && n.unit == '%') {
+ return parseFloat(n.value * size / 100);
+ } else {
+ return number(n);
+ }
}
function number(n) {
return Math.min(1, Math.max(0, val));
}
-})(require('less/tree'));
+})(require('./tree'));
var path = require('path'),
sys = require('util'),
+ url = require('url'),
+ http = require('http'),
fs = require('fs');
-try {
- // For old node.js versions
- require.paths.unshift( path.join( __dirname, '..' ) );
-} catch ( ex ) {
-}
-
var less = {
- version: [1, 1, 3],
- Parser: require('less/parser').Parser,
- importer: require('less/parser').importer,
- tree: require('less/tree'),
+ version: [1, 3, 3],
+ Parser: require('./parser').Parser,
+ importer: require('./parser').importer,
+ tree: require('./tree'),
render: function (input, options, callback) {
options = options || {};
callback = options, options = {};
}
- var parser = new(this.Parser)(options),
+ var parser = new(less.Parser)(options),
ee;
if (callback) {
parser.parse(input, function (e, root) {
- callback(e, root.toCSS(options));
+ callback(e, root && root.toCSS && root.toCSS(options));
});
} else {
ee = new(require('events').EventEmitter);
return ee;
}
},
- writeError: function (ctx, options) {
+ formatError: function(ctx, options) {
+ options = options || {};
+
var message = "";
var extract = ctx.extract;
var error = [];
- var stylize = options.color ? less.stylize : function (str) { return str };
+ var stylize = options.color ? require('./lessc_helper').stylize : function (str) { return str };
- options = options || {};
-
- if (options.silent) { return }
+ // only output a stack if it isn't a less error
+ if (ctx.stack && !ctx.type) { return stylize(ctx.stack, 'red') }
- if (!ctx.index) {
- return sys.error(ctx.stack || ctx.message);
+ if (!ctx.hasOwnProperty('index') || !extract) {
+ return ctx.stack || ctx.message;
}
if (typeof(extract[0]) === 'string') {
error.push(stylize((ctx.line - 1) + ' ' + extract[0], 'grey'));
}
- error.push(ctx.line + ' ' + extract[1].slice(0, ctx.column)
- + stylize(stylize(extract[1][ctx.column], 'bold')
- + extract[1].slice(ctx.column + 1), 'yellow'));
+ if (extract[1]) {
+ error.push(ctx.line + ' ' + extract[1].slice(0, ctx.column)
+ + stylize(stylize(stylize(extract[1][ctx.column], 'bold')
+ + extract[1].slice(ctx.column + 1), 'red'), 'inverse'));
+ }
if (typeof(extract[2]) === 'string') {
error.push(stylize((ctx.line + 1) + ' ' + extract[2], 'grey'));
}
- error = error.join('\n') + '\033[0m\n';
+ error = error.join('\n') + stylize('', 'reset') + '\n';
- message += stylize(ctx.message, 'red');
- ctx.filename && (message += stylize(' in ', 'red') + ctx.filename);
+ message += stylize(ctx.type + 'Error: ' + ctx.message, 'red');
+ ctx.filename && (message += stylize(' in ', 'red') + ctx.filename +
+ stylize(':' + ctx.line + ':' + ctx.column, 'grey'));
- sys.error(message, error);
+ message += '\n' + error;
if (ctx.callLine) {
- sys.error(stylize('from ', 'red') + (ctx.filename || ''));
- sys.error(stylize(ctx.callLine, 'grey') + ' ' + ctx.callExtract);
+ message += stylize('from ', 'red') + (ctx.filename || '') + '/n';
+ message += stylize(ctx.callLine, 'grey') + ' ' + ctx.callExtract + '/n';
}
- if (ctx.stack) { sys.error(stylize(ctx.stack, 'red')) }
+
+ return message;
+ },
+ writeError: function (ctx, options) {
+ options = options || {};
+ if (options.silent) { return }
+ sys.error(less.formatError(ctx, options));
}
};
-['color', 'directive', 'operation', 'dimension',
- 'keyword', 'variable', 'ruleset', 'element',
- 'selector', 'quoted', 'expression', 'rule',
- 'call', 'url', 'alpha', 'import',
- 'mixin', 'comment', 'anonymous', 'value', 'javascript'
+['color', 'directive', 'operation', 'dimension',
+ 'keyword', 'variable', 'ruleset', 'element',
+ 'selector', 'quoted', 'expression', 'rule',
+ 'call', 'url', 'alpha', 'import',
+ 'mixin', 'comment', 'anonymous', 'value',
+ 'javascript', 'assignment', 'condition', 'paren',
+ 'media', 'ratio', 'unicode-descriptor'
].forEach(function (n) {
- require(path.join('less', 'tree', n));
+ require('./tree/' + n);
});
-less.Parser.importer = function (file, paths, callback) {
- var pathname;
- paths.unshift('.');
+var isUrlRe = /^(?:https?:)?\/\//i;
+
+less.Parser.importer = function (file, paths, callback, env) {
+ var pathname, dirname, data;
- for (var i = 0; i < paths.length; i++) {
- try {
- pathname = path.join(paths[i], file);
- fs.statSync(pathname);
- break;
- } catch (e) {
- pathname = null;
+ function parseFile(e, data) {
+ if (e) return callback(e);
+
+ var rootpath = env.rootpath,
+ j = file.lastIndexOf('/');
+
+ // Pass on an updated rootpath if path of imported file is relative and file
+ // is in a (sub|sup) directory
+ //
+ // Examples:
+ // - If path of imported file is 'module/nav/nav.less' and rootpath is 'less/',
+ // then rootpath should become 'less/module/nav/'
+ // - If path of imported file is '../mixins.less' and rootpath is 'less/',
+ // then rootpath should become 'less/../'
+ if(env.relativeUrls && !/^(?:[a-z-]+:|\/)/.test(file) && j != -1) {
+ rootpath = rootpath + file.slice(0, j+1); // append (sub|sup) directory path of imported file
}
- }
- if (pathname) {
- fs.readFile(pathname, 'utf-8', function(e, data) {
- if (e) sys.error(e);
-
- new(less.Parser)({
- paths: [path.dirname(pathname)].concat(paths),
- filename: pathname
- }).parse(data, function (e, root) {
- if (e) less.writeError(e);
- callback(root);
- });
+ env.contents[pathname] = data; // Updating top importing parser content cache.
+ new(less.Parser)({
+ paths: [dirname].concat(paths),
+ filename: pathname,
+ contents: env.contents,
+ files: env.files,
+ syncImport: env.syncImport,
+ relativeUrls: env.relativeUrls,
+ rootpath: rootpath,
+ dumpLineNumbers: env.dumpLineNumbers
+ }).parse(data, function (e, root) {
+ callback(e, root, pathname);
});
+ };
+
+ var isUrl = isUrlRe.test( file );
+ if (isUrl || isUrlRe.test(paths[0])) {
+
+ var urlStr = isUrl ? file : url.resolve(paths[0], file),
+ urlObj = url.parse(urlStr),
+ req = {
+ host: urlObj.hostname,
+ port: urlObj.port || 80,
+ path: urlObj.pathname + (urlObj.search||'')
+ };
+
+ http.get(req, function (res) {
+ var body = '';
+ res.on('data', function (chunk) {
+ body += chunk.toString();
+ });
+ res.on('end', function () {
+ if (res.statusCode === 404) {
+ callback({ type: 'File', message: "resource '" + urlStr + "' was not found\n" });
+ }
+ if (!body) {
+ sys.error( 'Warning: Empty body (HTTP '+ res.statusCode + ') returned by "' + urlStr +'"' );
+ }
+ pathname = urlStr;
+ dirname = urlObj.protocol +'//'+ urlObj.host + urlObj.pathname.replace(/[^\/]*$/, '');
+ parseFile(null, body);
+ });
+ }).on('error', function (err) {
+ callback({ type: 'File', message: "resource '" + urlStr + "' gave this Error:\n "+ err +"\n" });
+ });
+
} else {
- sys.error("file '" + file + "' wasn't found.\n");
- process.exit(1);
- }
-}
-require('less/functions');
+ // TODO: Undo this at some point,
+ // or use different approach.
+ var paths = [].concat(paths);
+ paths.push('.');
+
+ for (var i = 0; i < paths.length; i++) {
+ try {
+ pathname = path.join(paths[i], file);
+ fs.statSync(pathname);
+ break;
+ } catch (e) {
+ pathname = null;
+ }
+ }
+
+ paths = paths.slice(0, paths.length - 1);
-for (var k in less) { exports[k] = less[k] }
+ if (!pathname) {
-// Stylize a string
-function stylize(str, style) {
- var styles = {
- 'bold' : [1, 22],
- 'inverse' : [7, 27],
- 'underline' : [4, 24],
- 'yellow' : [33, 39],
- 'green' : [32, 39],
- 'red' : [31, 39],
- 'grey' : [90, 39]
- };
- return '\033[' + styles[style][0] + 'm' + str +
- '\033[' + styles[style][1] + 'm';
+ if (typeof(env.errback) === "function") {
+ env.errback(file, paths, callback);
+ } else {
+ callback({ type: 'File', message: "'" + file + "' wasn't found.\n" });
+ }
+ return;
+ }
+
+ dirname = path.dirname(pathname);
+
+ if (env.syncImport) {
+ try {
+ data = fs.readFileSync(pathname, 'utf-8');
+ parseFile(null, data);
+ } catch (e) {
+ parseFile(e);
+ }
+ } else {
+ fs.readFile(pathname, 'utf-8', parseFile);
+ }
+ }
}
-less.stylize = stylize;
+require('./functions');
+require('./colors');
+
+for (var k in less) { exports[k] = less[k] }
--- /dev/null
+// lessc_helper.js
+//
+// helper functions for lessc
+sys = require('util');
+
+var lessc_helper = {
+
+ //Stylize a string
+ stylize : function(str, style) {
+ var styles = {
+ 'reset' : [0, 0],
+ 'bold' : [1, 22],
+ 'inverse' : [7, 27],
+ 'underline' : [4, 24],
+ 'yellow' : [33, 39],
+ 'green' : [32, 39],
+ 'red' : [31, 39],
+ 'grey' : [90, 39]
+ };
+ return '\033[' + styles[style][0] + 'm' + str +
+ '\033[' + styles[style][1] + 'm';
+ },
+
+ //Print command line options
+ printUsage: function() {
+ sys.puts("usage: lessc [option option=parameter ...] <source> [destination]");
+ sys.puts("");
+ sys.puts("If source is set to `-' (dash or hyphen-minus), input is read from stdin.");
+ sys.puts("");
+ sys.puts("options:");
+ sys.puts(" -h, --help Print help (this message) and exit.");
+ sys.puts(" --include-path Set include paths. Separated by `:'. Use `;' on Windows.");
+ sys.puts(" --no-color Disable colorized output.");
+ sys.puts(" -s, --silent Suppress output of error messages.");
+ sys.puts(" --strict-imports Force evaluation of imports.");
+ sys.puts(" --verbose Be verbose.");
+ sys.puts(" -v, --version Print version number and exit.");
+ sys.puts(" -x, --compress Compress output by removing some whitespaces.");
+ sys.puts(" --yui-compress Compress output using ycssmin");
+ sys.puts(" -O0, -O1, -O2 Set the parser's optimization level. The lower");
+ sys.puts(" the number, the less nodes it will create in the");
+ sys.puts(" tree. This could matter for debugging, or if you");
+ sys.puts(" want to access the individual nodes in the tree.");
+ sys.puts(" --line-numbers=TYPE Outputs filename and line numbers.");
+ sys.puts(" TYPE can be either 'comments', which will output");
+ sys.puts(" the debug info within comments, 'mediaquery'");
+ sys.puts(" that will output the information within a fake");
+ sys.puts(" media query which is compatible with the SASS");
+ sys.puts(" format, and 'all' which will do both.");
+ sys.puts(" -rp, --rootpath Set rootpath for url rewriting in relative imports and urls.");
+ sys.puts(" Works with or withour the relative-urls option.");
+ sys.puts(" -ru, --relative-urls re-write relative urls to the base less file.");
+ sys.puts("");
+ sys.puts("Report bugs to: http://github.com/cloudhead/less.js/issues");
+ sys.puts("Home page: <http://lesscss.org/>");
+ }
+
+
+}
+
+// Exports helper functions
+for (var h in lessc_helper) { exports[h] = lessc_helper[h] }
-var less, tree;
+var less, tree, charset;
if (typeof environment === "object" && ({}).toString.call(environment) === "[object Environment]") {
// Rhino
// Details on how to detect Rhino: https://github.com/ringo/ringojs/issues/88
- less = {};
+ if (typeof(window) === 'undefined') { less = {} }
+ else { less = window.less = {} }
tree = less.tree = {};
less.mode = 'rhino';
} else if (typeof(window) === 'undefined') {
// Node.js
less = exports,
- tree = require('less/tree');
- less.mode = 'rhino';
+ tree = require('./tree');
+ less.mode = 'node';
} else {
// Browser
if (typeof(window.less) === 'undefined') { window.less = {} }
var that = this;
+ // Top parser on an import tree must be sure there is one "env"
+ // which will then be passed arround by reference.
+ var env = env || { };
+ // env.contents and files must be passed arround with top env
+ if (!env.contents) { env.contents = {}; }
+ env.rootpath = env.rootpath || ''; // env.rootpath must be initialized to '' if not provided
+ if (!env.files) { env.files = {}; }
+
// This function is called after all files
// have been imported through `@import`.
var finish = function () {};
var imports = this.imports = {
- paths: env && env.paths || [], // Search paths, when importing
- queue: [], // Files which haven't been imported yet
- files: {}, // Holds the imported parse trees
- mime: env && env.mime, // MIME type of .less files
+ paths: env.paths || [], // Search paths, when importing
+ queue: [], // Files which haven't been imported yet
+ files: env.files, // Holds the imported parse trees
+ contents: env.contents, // Holds the imported file contents
+ mime: env.mime, // MIME type of .less files
+ error: null, // Error in parsing/evaluating an import
push: function (path, callback) {
var that = this;
this.queue.push(path);
//
// Import a file asynchronously
//
- less.Parser.importer(path, this.paths, function (root) {
+ less.Parser.importer(path, this.paths, function (e, root, fullPath) {
that.queue.splice(that.queue.indexOf(path), 1); // Remove the path from the queue
- that.files[path] = root; // Store the root
- callback(root);
+ var imported = fullPath in that.files;
+
+ that.files[fullPath] = root; // Store the root
- if (that.queue.length === 0) { finish() } // Call `finish` if we're done importing
+ if (e && !that.error) { that.error = e }
+
+ callback(e, root, imported);
+
+ if (that.queue.length === 0) { finish(that.error) } // Call `finish` if we're done importing
}, env);
}
};
current = i;
}
}
+ function isWhitespace(c) {
+ // Could change to \s?
+ var code = c.charCodeAt(0);
+ return code === 32 || code === 10 || code === 9;
+ }
//
// Parse from a token, regexp or string, and move forward if match
//
function $(tok) {
- var match, args, length, c, index, endIndex, k, mem;
+ var match, args, length, index, k;
//
// Non-terminal
// grammar is mostly white-space insensitive.
//
if (match) {
- mem = i += length;
- endIndex = i + chunks[j].length - length;
-
- while (i < endIndex) {
- c = input.charCodeAt(i);
- if (! (c === 32 || c === 10 || c === 9)) { break }
- i++;
- }
- chunks[j] = chunks[j].slice(length + (i - mem));
- current = i;
-
- if (chunks[j].length === 0 && j < chunks.length - 1) { j++ }
+ skipWhitespace(length);
if(typeof(match) === 'string') {
return match;
}
}
+ function skipWhitespace(length) {
+ var oldi = i, oldj = j,
+ endIndex = i + chunks[j].length,
+ mem = i += length;
+
+ while (i < endIndex) {
+ if (! isWhitespace(input.charAt(i))) { break }
+ i++;
+ }
+ chunks[j] = chunks[j].slice(length + (i - mem));
+ current = i;
+
+ if (chunks[j].length === 0 && j < chunks.length - 1) { j++ }
+
+ return oldi !== i || oldj !== j;
+ }
+
+ function expect(arg, msg) {
+ var result = $(arg);
+ if (! result) {
+ error(msg || (typeof(arg) === 'string' ? "expected '" + arg + "' got '" + input.charAt(i) + "'"
+ : "unexpected token"));
+ } else {
+ return result;
+ }
+ }
+
+ function error(msg, type) {
+ var e = new Error(msg);
+ e.index = i;
+ e.type = type || 'Syntax';
+ throw e;
+ }
+
// Same as $(), but don't change the state of the parser,
// just return the match.
function peek(tok) {
}
}
+ function getInput(e, env) {
+ if (e.filename && env.filename && (e.filename !== env.filename)) {
+ return parser.imports.contents[e.filename];
+ } else {
+ return input;
+ }
+ }
+
+ function getLocation(index, input) {
+ for (var n = index, column = -1;
+ n >= 0 && input.charAt(n) !== '\n';
+ n--) { column++ }
+
+ return { line: typeof(index) === 'number' ? (input.slice(0, index).match(/\n/g) || "").length : null,
+ column: column };
+ }
+
+ function getFileName(e) {
+ if(less.mode === 'browser' || less.mode === 'rhino')
+ return e.filename;
+ else
+ return require('path').resolve(e.filename);
+ }
+
+ function getDebugInfo(index, inputStream, e) {
+ return {
+ lineNumber: getLocation(index, inputStream).line + 1,
+ fileName: getFileName(e)
+ };
+ }
+
+ function LessError(e, env) {
+ var input = getInput(e, env),
+ loc = getLocation(e.index, input),
+ line = loc.line,
+ col = loc.column,
+ lines = input.split('\n');
+
+ this.type = e.type || 'Syntax';
+ this.message = e.message;
+ this.filename = e.filename || env.filename;
+ this.index = e.index;
+ this.line = typeof(line) === 'number' ? line + 1 : null;
+ this.callLine = e.call && (getLocation(e.call, input).line + 1);
+ this.callExtract = lines[getLocation(e.call, input).line];
+ this.stack = e.stack;
+ this.column = col;
+ this.extract = [
+ lines[line - 1],
+ lines[line],
+ lines[line + 1]
+ ];
+ }
+
this.env = env = env || {};
// The optimization level dictates the thoroughness of the parser,
var root, start, end, zone, line, lines, buff = [], c, error = null;
i = j = current = furthest = 0;
- chunks = [];
input = str.replace(/\r\n/g, '\n');
+ // Remove potential UTF Byte Order Mark
+ input = input.replace(/^\uFEFF/, '');
+
// Split the input into chunks.
chunks = (function (chunks) {
var j = 0,
- skip = /[^"'`\{\}\/\(\)]+/g,
+ skip = /(?:@\{[\w-]+\}|[^"'`\{\}\/\(\)\\])+/g,
comment = /\/\*(?:[^*]|\*+[^\/*])*\*+\/|\/\/.*/g,
+ string = /"((?:[^"\\\r\n]|\\.)*)"|'((?:[^'\\\r\n]|\\.)*)'|`((?:[^`]|\\.)*)`/g,
level = 0,
match,
chunk = chunks[0],
- inParam,
- inString;
+ inParam;
- for (var i = 0, c, cc; i < input.length; i++) {
+ for (var i = 0, c, cc; i < input.length;) {
skip.lastIndex = i;
if (match = skip.exec(input)) {
if (match.index === i) {
}
}
c = input.charAt(i);
- comment.lastIndex = i;
+ comment.lastIndex = string.lastIndex = i;
+
+ if (match = string.exec(input)) {
+ if (match.index === i) {
+ i += match[0].length;
+ chunk.push(match[0]);
+ continue;
+ }
+ }
- if (!inString && !inParam && c === '/') {
+ if (!inParam && c === '/') {
cc = input.charAt(i + 1);
if (cc === '/' || cc === '*') {
if (match = comment.exec(input)) {
if (match.index === i) {
i += match[0].length;
chunk.push(match[0]);
- c = input.charAt(i);
+ continue;
}
}
}
}
-
- if (c === '{' && !inString && !inParam) { level ++;
- chunk.push(c);
- } else if (c === '}' && !inString && !inParam) { level --;
- chunk.push(c);
- chunks[++j] = chunk = [];
- } else if (c === '(' && !inString && !inParam) {
- chunk.push(c);
- inParam = true;
- } else if (c === ')' && !inString && inParam) {
- chunk.push(c);
- inParam = false;
- } else {
- if (c === '"' || c === "'" || c === '`') {
- if (! inString) {
- inString = c;
- } else {
- inString = inString === c ? false : inString;
- }
- }
- chunk.push(c);
+
+ switch (c) {
+ case '{': if (! inParam) { level ++; chunk.push(c); break }
+ case '}': if (! inParam) { level --; chunk.push(c); chunks[++j] = chunk = []; break }
+ case '(': if (! inParam) { inParam = true; chunk.push(c); break }
+ case ')': if ( inParam) { inParam = false; chunk.push(c); break }
+ default: chunk.push(c);
}
+
+ i++;
}
- if (level > 0) {
- throw {
- type: 'Syntax',
- message: "Missing closing `}`",
+ if (level != 0) {
+ error = new(LessError)({
+ index: i-1,
+ type: 'Parse',
+ message: (level > 0) ? "missing closing `}`" : "missing opening `{`",
filename: env.filename
- };
+ }, env);
}
return chunks.map(function (c) { return c.join('') });;
})([[]]);
+ if (error) {
+ return callback(error, env);
+ }
+
// Start with the primary rule.
// The whole syntax tree is held under a Ruleset node,
// with the `root` property set to true, so no `{}` are
// output. The callback is called when the input is parsed.
- root = new(tree.Ruleset)([], $(this.parsers.primary));
- root.root = true;
+ try {
+ root = new(tree.Ruleset)([], $(this.parsers.primary));
+ root.root = true;
+ } catch (e) {
+ return callback(new(LessError)(e, env));
+ }
root.toCSS = (function (evaluate) {
var line, lines, column;
return function (options, variables) {
- var frames = [];
+ var frames = [], importError;
options = options || {};
//
try {
var css = evaluate.call(this, { frames: frames })
- .toCSS([], { compress: options.compress || false });
+ .toCSS([], { compress: options.compress || false, dumpLineNumbers: env.dumpLineNumbers });
} catch (e) {
- lines = input.split('\n');
- line = getLine(e.index);
-
- for (var n = e.index, column = -1;
- n >= 0 && input.charAt(n) !== '\n';
- n--) { column++ }
-
- throw {
- type: e.type,
- message: e.message,
- filename: env.filename,
- index: e.index,
- line: typeof(line) === 'number' ? line + 1 : null,
- callLine: e.call && (getLine(e.call) + 1),
- callExtract: lines[getLine(e.call)],
- stack: e.stack,
- column: column,
- extract: [
- lines[line - 1],
- lines[line],
- lines[line + 1]
- ]
- };
+ throw new(LessError)(e, env);
}
- if (options.compress) {
+
+ if ((importError = parser.imports.error)) { // Check if there was an error during importing
+ if (importError instanceof LessError) throw importError;
+ else throw new(LessError)(importError, env);
+ }
+
+ if (options.yuicompress && less.mode === 'node') {
+ return require('ycssmin').cssmin(css);
+ } else if (options.compress) {
return css.replace(/(\s)+/g, "$1");
} else {
return css;
}
-
- function getLine(index) {
- return index ? (input.slice(0, index).match(/\n/g) || "").length : null;
- }
};
})(root.eval);
for (var n = i, column = -1; n >= 0 && input.charAt(n) !== '\n'; n--) { column++ }
error = {
- name: "ParseError",
+ type: "Parse",
message: "Syntax Error on line " + line,
index: i,
filename: env.filename,
}
if (this.imports.queue.length > 0) {
- finish = function () { callback(error, root) };
+ finish = function (e) {
+ e = error || e;
+ if (e) callback(e);
+ else callback(null, root);
+ };
} else {
callback(error, root);
}
while ((node = $(this.mixin.definition) || $(this.rule) || $(this.ruleset) ||
$(this.mixin.call) || $(this.comment) || $(this.directive))
- || $(/^[\s\n]+/)) {
+ || $(/^[\s\n]+/) || $(/^;+/)) {
node && root.push(node);
}
return root;
//
keyword: function () {
var k;
- if (k = $(/^[_A-Za-z-][_A-Za-z0-9-]*/)) { return new(tree.Keyword)(k) }
+
+ if (k = $(/^[_A-Za-z-][_A-Za-z0-9-]*/)) {
+ if (tree.colors.hasOwnProperty(k)) {
+ // detect named color
+ return new(tree.Color)(tree.colors[k].slice(1));
+ } else {
+ return new(tree.Keyword)(k);
+ }
+ }
},
//
// The arguments are parsed with the `entities.arguments` parser.
//
call: function () {
- var name, args, index = i;
+ var name, nameLC, args, alpha_ret, index = i;
- if (! (name = /^([\w-]+|%)\(/.exec(chunks[j]))) return;
+ if (! (name = /^([\w-]+|%|progid:[\w\.]+)\(/.exec(chunks[j]))) return;
- name = name[1].toLowerCase();
+ name = name[1];
+ nameLC = name.toLowerCase();
- if (name === 'url') { return null }
+ if (nameLC === 'url') { return null }
else { i += name.length }
- if (name === 'alpha') { return $(this.alpha) }
+ if (nameLC === 'alpha') {
+ alpha_ret = $(this.alpha);
+ if(typeof alpha_ret !== 'undefined') {
+ return alpha_ret;
+ }
+ }
$('('); // Parse the '(' and consume whitespace.
if (! $(')')) return;
- if (name) { return new(tree.Call)(name, args, index) }
+ if (name) { return new(tree.Call)(name, args, index, env.filename) }
},
arguments: function () {
var args = [], arg;
- while (arg = $(this.expression)) {
+ while (arg = $(this.entities.assignment) || $(this.expression)) {
args.push(arg);
if (! $(',')) { break }
}
return args;
},
literal: function () {
- return $(this.entities.dimension) ||
+ return $(this.entities.ratio) ||
+ $(this.entities.dimension) ||
$(this.entities.color) ||
- $(this.entities.quoted);
+ $(this.entities.quoted) ||
+ $(this.entities.unicodeDescriptor);
+ },
+
+ // Assignments are argument entities for calls.
+ // They are present in ie filter properties as shown below.
+ //
+ // filter: progid:DXImageTransform.Microsoft.Alpha( *opacity=50* )
+ //
+
+ assignment: function () {
+ var key, value;
+ if ((key = $(/^\w+(?=\s?=)/i)) && $('=') && (value = $(this.entity))) {
+ return new(tree.Assignment)(key, value);
+ }
},
//
if (input.charAt(i) !== 'u' || !$(/^url\(/)) return;
value = $(this.entities.quoted) || $(this.entities.variable) ||
- $(this.entities.dataURI) || $(/^[-\w%@$\/.&=:;#+?~]+/) || "";
- if (! $(')')) throw new(Error)("missing closing ) for url()");
-
- return new(tree.URL)((value.value || value.data || value instanceof tree.Variable)
- ? value : new(tree.Anonymous)(value), imports.paths);
- },
+ $(/^(?:(?:\\[\(\)'"])|[^\(\)'"])+/) || "";
- dataURI: function () {
- var obj;
+ expect(')');
- if ($(/^data:/)) {
- obj = {};
- obj.mime = $(/^[^\/]+\/[^,;)]+/) || '';
- obj.charset = $(/^;\s*charset=[^,;)]+/) || '';
- obj.base64 = $(/^;\s*base64/) || '';
- obj.data = $(/^,\s*[^)]+/);
-
- if (obj.data) { return obj }
- }
+ return new(tree.URL)((value.value != null || value instanceof tree.Variable)
+ ? value : new(tree.Anonymous)(value), env.rootpath);
},
//
var name, index = i;
if (input.charAt(i) === '@' && (name = $(/^@@?[\w-]+/))) {
- return new(tree.Variable)(name, index);
+ return new(tree.Variable)(name, index, env.filename);
+ }
+ },
+
+ // A variable entity useing the protective {} e.g. @{var}
+ variableCurly: function () {
+ var name, curly, index = i;
+
+ if (input.charAt(i) === '@' && (curly = $(/^@\{([\w-]+)\}/))) {
+ return new(tree.Variable)("@" + curly[1], index, env.filename);
}
},
color: function () {
var rgb;
- if (input.charAt(i) === '#' && (rgb = $(/^#([a-fA-F0-9]{6}|[a-fA-F0-9]{3})/))) {
+ if (input.charAt(i) === '#' && (rgb = $(/^#([A-Fa-f0-9]{6}|[A-Fa-f0-9]{3})/))) {
return new(tree.Color)(rgb[1]);
}
},
//
dimension: function () {
var value, c = input.charCodeAt(i);
- if ((c > 57 || c < 45) || c === 47) return;
+ //Is the first char of the dimension 0-9, '.', '+' or '-'
+ if ((c > 57 || c < 43) || c === 47 || c == 44) return;
- if (value = $(/^(-?\d*\.?\d+)(px|%|em|rem|pc|ex|in|deg|s|ms|pt|cm|mm|rad|grad|turn)?/)) {
+ if (value = $(/^([+-]?\d*\.?\d+)(px|%|em|pc|ex|in|deg|s|ms|pt|cm|mm|rad|grad|turn|dpi|dpcm|dppx|rem|vw|vh|vmin|vm|ch)?/)) {
return new(tree.Dimension)(value[1], value[2]);
}
},
//
+ // A Ratio
+ //
+ // 16/9
+ //
+ ratio: function () {
+ var value, c = input.charCodeAt(i);
+ if (c > 57 || c < 48) return;
+
+ if (value = $(/^(\d+\/\d+)/)) {
+ return new(tree.Ratio)(value[1]);
+ }
+ },
+
+ //
+ // A unicode descriptor, as is used in unicode-range
+ //
+ // U+0?? or U+00A1-00A9
+ //
+ unicodeDescriptor: function () {
+ var ud;
+
+ if (ud = $(/^U\+[0-9a-fA-F?]+(\-[0-9a-fA-F?]+)?/)) {
+ return new(tree.UnicodeDescriptor)(ud[0]);
+ }
+ },
+
+ //
// JavaScript code to be evaluated
//
// `window.location.href`
if (! peek(/^[@\w.%-]+\/[@\w.-]+/)) return;
+ save();
+
if ((a = $(this.entity)) && $('/') && (b = $(this.entity))) {
return new(tree.Shorthand)(a, b);
}
+
+ restore();
},
//
// selector for now.
//
call: function () {
- var elements = [], e, c, args, index = i, s = input.charAt(i);
+ var elements = [], e, c, argsSemiColon = [], argsComma = [], args, delim, arg, nameLoop, expressions, isSemiColonSeperated, expressionContainsNamed, index = i, s = input.charAt(i), name, value, important = false;
if (s !== '.' && s !== '#') { return }
+
+ save(); // stop us absorbing part of an invalid selector
- while (e = $(/^[#.](?:[\w-]|\\(?:[a-fA-F0-9]{1,6} ?|[^a-fA-F0-9]))+/)) {
- elements.push(new(tree.Element)(c, e));
+ while (e = $(/^[#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/)) {
+ elements.push(new(tree.Element)(c, e, i));
c = $('>');
}
- $('(') && (args = $(this.entities.arguments)) && $(')');
+ if ($('(')) {
+ expressions = [];
+ while (arg = $(this.expression)) {
+ nameLoop = null;
+ value = arg;
+
+ // Variable
+ if (arg.value.length == 1) {
+ var val = arg.value[0];
+ if (val instanceof tree.Variable) {
+ if ($(':')) {
+ if (expressions.length > 0) {
+ if (isSemiColonSeperated) {
+ error("Cannot mix ; and , as delimiter types");
+ }
+ expressionContainsNamed = true;
+ }
+ value = expect(this.expression);
+ nameLoop = (name = val.name);
+ }
+ }
+ }
+
+ expressions.push(value);
+
+ argsComma.push({ name: nameLoop, value: value });
+
+ if ($(',')) {
+ continue;
+ }
+
+ if ($(';') || isSemiColonSeperated) {
+
+ if (expressionContainsNamed) {
+ error("Cannot mix ; and , as delimiter types");
+ }
+
+ isSemiColonSeperated = true;
+
+ if (expressions.length > 1) {
+ value = new(tree.Value)(expressions);
+ }
+ argsSemiColon.push({ name: name, value: value });
+
+ name = null;
+ expressions = [];
+ expressionContainsNamed = false;
+ }
+ }
+
+ expect(')');
+ }
+
+ args = isSemiColonSeperated ? argsSemiColon : argsComma;
+
+ if ($(this.important)) {
+ important = true;
+ }
if (elements.length > 0 && ($(';') || peek('}'))) {
- return new(tree.mixin.Call)(elements, args, index);
+ return new(tree.mixin.Call)(elements, args, index, env.filename, important);
}
+
+ restore();
},
//
// the `{...}` block.
//
definition: function () {
- var name, params = [], match, ruleset, param, value;
-
+ var name, params = [], match, ruleset, param, value, cond, variadic = false;
if ((input.charAt(i) !== '.' && input.charAt(i) !== '#') ||
- peek(/^[^{]*(;|})/)) return;
+ peek(/^[^{]*\}/)) return;
+
+ save();
- if (match = $(/^([#.](?:[\w-]|\\(?:[a-fA-F0-9]{1,6} ?|[^a-fA-F0-9]))+)\s*\(/)) {
+ if (match = $(/^([#.](?:[\w-]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+)\s*\(/)) {
name = match[1];
- while (param = $(this.entities.variable) || $(this.entities.literal)
- || $(this.entities.keyword)) {
- // Variable
- if (param instanceof tree.Variable) {
- if ($(':')) {
- if (value = $(this.expression)) {
+ do {
+ $(this.comment);
+ if (input.charAt(i) === '.' && $(/^\.{3}/)) {
+ variadic = true;
+ params.push({ variadic: true });
+ break;
+ } else if (param = $(this.entities.variable) || $(this.entities.literal)
+ || $(this.entities.keyword)) {
+ // Variable
+ if (param instanceof tree.Variable) {
+ if ($(':')) {
+ value = expect(this.expression, 'expected expression');
params.push({ name: param.name, value: value });
+ } else if ($(/^\.{3}/)) {
+ params.push({ name: param.name, variadic: true });
+ variadic = true;
+ break;
} else {
- throw new(Error)("Expected value");
+ params.push({ name: param.name });
}
} else {
- params.push({ name: param.name });
+ params.push({ value: param });
}
} else {
- params.push({ value: param });
+ break;
}
- if (! $(',')) { break }
+ } while ($(',') || $(';'))
+
+ // .mixincall("@{a}");
+ // looks a bit like a mixin definition.. so we have to be nice and restore
+ if (!$(')')) {
+ furthest = i;
+ restore();
+ }
+
+ $(this.comment);
+
+ if ($(/^when/)) { // Guard
+ cond = expect(this.conditions, 'expected condition');
}
- if (! $(')')) throw new(Error)("Expected )");
ruleset = $(this.block);
if (ruleset) {
- return new(tree.mixin.Definition)(name, params, ruleset);
+ return new(tree.mixin.Definition)(name, params, ruleset, cond, variadic);
+ } else {
+ restore();
}
}
}
//
entity: function () {
return $(this.entities.literal) || $(this.entities.variable) || $(this.entities.url) ||
- $(this.entities.call) || $(this.entities.keyword) || $(this.entities.javascript) ||
+ $(this.entities.call) || $(this.entities.keyword) ||$(this.entities.javascript) ||
$(this.comment);
},
if (! $(/^\(opacity=/i)) return;
if (value = $(/^\d+/) || $(this.entities.variable)) {
- if (! $(')')) throw new(Error)("missing closing ) for alpha()");
+ expect(')');
return new(tree.Alpha)(value);
}
},
// and an element name, such as a tag a class, or `*`.
//
element: function () {
- var e, t, c;
+ var e, t, c, v;
c = $(this.combinator);
- e = $(/^(?:[.#]?|:*)(?:[\w-]|\\(?:[a-fA-F0-9]{1,6} ?|[^a-fA-F0-9]))+/) || $('*') || $(this.attribute) || $(/^\([^)@]+\)/) || $(/^(?:\d*\.)?\d+%/);
- if (e) { return new(tree.Element)(c, e) }
+ e = $(/^(?:\d+\.\d+|\d+)%/) || $(/^(?:[.#]?|:*)(?:[\w-]|[^\x00-\x9f]|\\(?:[A-Fa-f0-9]{1,6} ?|[^A-Fa-f0-9]))+/) ||
+ $('*') || $('&') || $(this.attribute) || $(/^\([^()@]+\)/) || $(/^[\.#](?=@)/) || $(this.entities.variableCurly);
- if (c.value && c.value[0] === '&') {
- return new(tree.Element)(c, null);
+ if (! e) {
+ if ($('(')) {
+ if ((v = ($(this.entities.variableCurly) ||
+ $(this.entities.variable) ||
+ $(this.selector))) &&
+ $(')')) {
+ e = new(tree.Paren)(v);
+ }
+ }
}
+
+ if (e) { return new(tree.Element)(c, e, i) }
},
//
combinator: function () {
var match, c = input.charAt(i);
- if (c === '>' || c === '+' || c === '~') {
+ if (c === '>' || c === '+' || c === '~' || c === '|') {
i++;
- while (input.charAt(i) === ' ') { i++ }
+ while (input.charAt(i).match(/\s/)) { i++ }
return new(tree.Combinator)(c);
- } else if (c === '&') {
- match = '&';
- i++;
- if(input.charAt(i) === ' ') {
- match = '& ';
- }
- while (input.charAt(i) === ' ') { i++ }
- return new(tree.Combinator)(match);
- } else if (c === ':' && input.charAt(i + 1) === ':') {
- i += 2;
- while (input.charAt(i) === ' ') { i++ }
- return new(tree.Combinator)('::');
- } else if (input.charAt(i - 1) === ' ') {
+ } else if (input.charAt(i - 1).match(/\s/)) {
return new(tree.Combinator)(" ");
} else {
return new(tree.Combinator)(null);
selector: function () {
var sel, e, elements = [], c, match;
+ // depreciated, will be removed soon
+ if ($('(')) {
+ sel = $(this.entity);
+ if (!$(')')) { return null; }
+ return new(tree.Selector)([new(tree.Element)('', sel, i)]);
+ }
+
while (e = $(this.element)) {
c = input.charAt(i);
elements.push(e)
- if (c === '{' || c === '}' || c === ';' || c === ',') { break }
+ if (c === '{' || c === '}' || c === ';' || c === ',' || c === ')') { break }
}
if (elements.length > 0) { return new(tree.Selector)(elements) }
},
- tag: function () {
- return $(/^[a-zA-Z][a-zA-Z-]*[0-9]?/) || $('*');
- },
attribute: function () {
var attr = '', key, val, op;
if (! $('[')) return;
- if (key = $(/^[a-zA-Z-]+/) || $(this.entities.quoted)) {
+ if (key = $(/^(?:[_A-Za-z0-9-]|\\.)+/) || $(this.entities.quoted)) {
if ((op = $(/^[|~*$^]?=/)) &&
(val = $(this.entities.quoted) || $(/^[\w-]+/))) {
attr = [key, op, val.toCSS ? val.toCSS() : val].join('');
//
block: function () {
var content;
-
if ($('{') && (content = $(this.primary)) && $('}')) {
return content;
}
// div, .class, body > p {...}
//
ruleset: function () {
- var selectors = [], s, rules, match;
+ var selectors = [], s, rules, match, debugInfo;
+
save();
+ if (env.dumpLineNumbers)
+ debugInfo = getDebugInfo(i, input, env);
+
while (s = $(this.selector)) {
selectors.push(s);
$(this.comment);
}
if (selectors.length > 0 && (rules = $(this.block))) {
- return new(tree.Ruleset)(selectors, rules);
+ var ruleset = new(tree.Ruleset)(selectors, rules, env.strictImports);
+ if (env.dumpLineNumbers)
+ ruleset.debugInfo = debugInfo;
+ return ruleset;
} else {
// Backtrack
furthest = i;
// stored in `import`, which we pass to the Import constructor.
//
"import": function () {
- var path;
- if ($(/^@import\s+/) &&
- (path = $(this.entities.quoted) || $(this.entities.url)) &&
- $(';')) {
- return new(tree.Import)(path, imports);
+ var path, features, index = i;
+
+ save();
+
+ var dir = $(/^@import(?:-(once))?\s+/);
+
+ if (dir && (path = $(this.entities.quoted) || $(this.entities.url))) {
+ features = $(this.mediaFeatures);
+ if ($(';')) {
+ return new(tree.Import)(path, imports, features, (dir[1] === 'once'), index, env.rootpath);
+ }
+ }
+
+ restore();
+ },
+
+ mediaFeature: function () {
+ var e, p, nodes = [];
+
+ do {
+ if (e = $(this.entities.keyword)) {
+ nodes.push(e);
+ } else if ($('(')) {
+ p = $(this.property);
+ e = $(this.entity);
+ if ($(')')) {
+ if (p && e) {
+ nodes.push(new(tree.Paren)(new(tree.Rule)(p, e, null, i, true)));
+ } else if (e) {
+ nodes.push(new(tree.Paren)(e));
+ } else {
+ return null;
+ }
+ } else { return null }
+ }
+ } while (e);
+
+ if (nodes.length > 0) {
+ return new(tree.Expression)(nodes);
+ }
+ },
+
+ mediaFeatures: function () {
+ var e, features = [];
+
+ do {
+ if (e = $(this.mediaFeature)) {
+ features.push(e);
+ if (! $(',')) { break }
+ } else if (e = $(this.entities.variable)) {
+ features.push(e);
+ if (! $(',')) { break }
+ }
+ } while (e);
+
+ return features.length > 0 ? features : null;
+ },
+
+ media: function () {
+ var features, rules, media, debugInfo;
+
+ if (env.dumpLineNumbers)
+ debugInfo = getDebugInfo(i, input, env);
+
+ if ($(/^@media/)) {
+ features = $(this.mediaFeatures);
+
+ if (rules = $(this.block)) {
+ media = new(tree.Media)(rules, features);
+ if(env.dumpLineNumbers)
+ media.debugInfo = debugInfo;
+ return media;
+ }
}
},
// @charset "utf-8";
//
directive: function () {
- var name, value, rules, types;
+ var name, value, rules, identifier, e, nodes, nonVendorSpecificName,
+ hasBlock, hasIdentifier, hasExpression;
if (input.charAt(i) !== '@') return;
- if (value = $(this['import'])) {
+ if (value = $(this['import']) || $(this.media)) {
return value;
- } else if (name = $(/^@media|@page/) || $(/^@(?:-webkit-|-moz-)?keyframes/)) {
- types = ($(/^[^{]+/) || '').trim();
+ }
+
+ save();
+
+ name = $(/^@[a-z-]+/);
+
+ if (!name) return;
+
+ nonVendorSpecificName = name;
+ if (name.charAt(1) == '-' && name.indexOf('-', 2) > 0) {
+ nonVendorSpecificName = "@" + name.slice(name.indexOf('-', 2) + 1);
+ }
+
+ switch(nonVendorSpecificName) {
+ case "@font-face":
+ hasBlock = true;
+ break;
+ case "@viewport":
+ case "@top-left":
+ case "@top-left-corner":
+ case "@top-center":
+ case "@top-right":
+ case "@top-right-corner":
+ case "@bottom-left":
+ case "@bottom-left-corner":
+ case "@bottom-center":
+ case "@bottom-right":
+ case "@bottom-right-corner":
+ case "@left-top":
+ case "@left-middle":
+ case "@left-bottom":
+ case "@right-top":
+ case "@right-middle":
+ case "@right-bottom":
+ hasBlock = true;
+ break;
+ case "@page":
+ case "@document":
+ case "@supports":
+ case "@keyframes":
+ hasBlock = true;
+ hasIdentifier = true;
+ break;
+ case "@namespace":
+ hasExpression = true;
+ break;
+ }
+
+ if (hasIdentifier) {
+ name += " " + ($(/^[^{]+/) || '').trim();
+ }
+
+ if (hasBlock)
+ {
if (rules = $(this.block)) {
- return new(tree.Directive)(name + " " + types, rules);
+ return new(tree.Directive)(name, rules);
}
- } else if (name = $(/^@[-a-z]+/)) {
- if (name === '@font-face') {
- if (rules = $(this.block)) {
- return new(tree.Directive)(name, rules);
+ } else {
+ if ((value = hasExpression ? $(this.expression) : $(this.entity)) && $(';')) {
+ var directive = new(tree.Directive)(name, value);
+ if (env.dumpLineNumbers) {
+ directive.debugInfo = getDebugInfo(i, input, env);
}
- } else if ((value = $(this.entity)) && $(';')) {
- return new(tree.Directive)(name, value);
+ return directive;
}
}
+
+ restore();
},
font: function () {
var value = [], expression = [], weight, shorthand, font, e;
multiplication: function () {
var m, a, op, operation;
if (m = $(this.operand)) {
- while ((op = ($('/') || $('*'))) && (a = $(this.operand))) {
+ while (!peek(/^\/[*\/]/) && (op = ($('/') || $('*'))) && (a = $(this.operand))) {
operation = new(tree.Operation)(op, [operation || m, a]);
}
return operation || m;
addition: function () {
var m, a, op, operation;
if (m = $(this.multiplication)) {
- while ((op = $(/^[-+]\s+/) || (input.charAt(i - 1) != ' ' && ($('+') || $('-')))) &&
+ while ((op = $(/^[-+]\s+/) || (!isWhitespace(input.charAt(i - 1)) && ($('+') || $('-')))) &&
(a = $(this.multiplication))) {
operation = new(tree.Operation)(op, [operation || m, a]);
}
return operation || m;
}
},
+ conditions: function () {
+ var a, b, index = i, condition;
+
+ if (a = $(this.condition)) {
+ while ($(',') && (b = $(this.condition))) {
+ condition = new(tree.Condition)('or', condition || a, b, index);
+ }
+ return condition || a;
+ }
+ },
+ condition: function () {
+ var a, b, c, op, index = i, negate = false;
+
+ if ($(/^not/)) { negate = true }
+ expect('(');
+ if (a = $(this.addition) || $(this.entities.keyword) || $(this.entities.quoted)) {
+ if (op = $(/^(?:>=|=<|[<=>])/)) {
+ if (b = $(this.addition) || $(this.entities.keyword) || $(this.entities.quoted)) {
+ c = new(tree.Condition)(op, a, b, index, negate);
+ } else {
+ error('expected expression');
+ }
+ } else {
+ c = new(tree.Condition)('=', a, new(tree.Keyword)('true'), index, negate);
+ }
+ expect(')');
+ return $(/^and/) ? new(tree.Condition)('and', c, $(this.condition)) : c;
+ }
+ },
//
// An operand is anything that can be part of an operation,
property: function () {
var name;
- if (name = $(/^(\*?-?[-a-z_0-9]+)\s*:/)) {
+ if (name = $(/^(\*?-?[_a-z0-9-]+)\s*:/)) {
return name[1];
}
}
// Used by `@import` directives
//
less.Parser.importer = function (path, paths, callback, env) {
- if (path.charAt(0) !== '/' && paths.length > 0) {
+ if (!/^([a-z-]+:)?\//.test(path) && paths.length > 0) {
path = paths[0] + path;
}
// We pass `true` as 3rd argument, to force the reload of the import.
// This is so we can get the syntax tree as opposed to just the CSS output,
// as we need this to evaluate the current stylesheet.
- loadStyleSheet({ href: path, title: path, type: env.mime }, callback, true);
+ loadStyleSheet({
+ href: path,
+ title: path,
+ type: env.mime,
+ contents: env.contents,
+ files: env.files,
+ rootpath: env.rootpath,
+ entryPath: env.entryPath,
+ relativeUrls: env.relativeUrls },
+ function (e, root, data, sheet, _, path) {
+ if (e && typeof(env.errback) === "function") {
+ env.errback.call(null, path, paths, callback, env);
+ } else {
+ callback.call(null, e, root, path);
+ }
+ }, true);
};
}
var name;
function loadStyleSheet(sheet, callback, reload, remaining) {
- var sheetName = name.slice(0, name.lastIndexOf('/') + 1) + sheet.href;
- var input = readFile(sheetName);
- var parser = new less.Parser();
+ var endOfPath = Math.max(name.lastIndexOf('/'), name.lastIndexOf('\\')),
+ sheetName = name.slice(0, endOfPath + 1) + sheet.href,
+ contents = sheet.contents || {},
+ input = readFile(sheetName);
+
+ contents[sheetName] = input;
+
+ var parser = new less.Parser({
+ paths: [sheet.href.replace(/[\w\.-]+$/, '')],
+ contents: contents
+ });
parser.parse(input, function (e, root) {
if (e) {
- print("Error: " + e);
- quit(1);
+ return error(e, sheetName);
+ }
+ try {
+ callback(e, root, input, sheet, { local: false, lastModified: 0, remaining: remaining }, sheetName);
+ } catch(e) {
+ error(e, sheetName);
}
- callback(root, sheet, { local: false, lastModified: 0, remaining: remaining });
});
-
- // callback({}, sheet, { local: true, remaining: remaining });
}
function writeFile(filename, content) {
// Command line integration via Rhino
(function (args) {
- name = args[0];
- var output = args[1];
+ var output,
+ compress = false,
+ i;
+
+ for(i = 0; i < args.length; i++) {
+ switch(args[i]) {
+ case "-x":
+ compress = true;
+ break;
+ default:
+ if (!name) {
+ name = args[i];
+ } else if (!output) {
+ output = args[i];
+ } else {
+ print("unrecognised parameters");
+ print("input_file [output_file] [-x]");
+ }
+ }
+ }
if (!name) {
print('No files present in the fileset; Check your pattern match in build.xml');
}
var result;
- var parser = new less.Parser();
- parser.parse(input, function (e, root) {
- if (e) {
- quit(1);
- } else {
- result = root.toCSS();
- if (output) {
- writeFile(output, result);
- print("Written to " + output);
+ try {
+ var parser = new less.Parser();
+ parser.parse(input, function (e, root) {
+ if (e) {
+ error(e, name);
+ quit(1);
} else {
- print(result);
+ result = root.toCSS({compress: compress || false});
+ if (output) {
+ writeFile(output, result);
+ print("Written to " + output);
+ } else {
+ print(result);
+ }
+ quit(0);
}
- quit(0);
- }
- });
+ });
+ }
+ catch(e) {
+ error(e, name);
+ quit(1);
+ }
print("done");
}(arguments));
+
+function error(e, filename) {
+
+ var content = "Error : " + filename + "\n";
+
+ filename = e.filename || filename;
+
+ if (e.message) {
+ content += e.message + "\n";
+ }
+
+ var errorline = function (e, i, classname) {
+ if (e.extract[i]) {
+ content +=
+ String(parseInt(e.line) + (i - 1)) +
+ ":" + e.extract[i] + "\n";
+ }
+ };
+
+ if (e.stack) {
+ content += e.stack;
+ } else if (e.extract) {
+ content += 'on line ' + e.line + ', column ' + (e.column + 1) + ':\n';
+ errorline(e, 0);
+ errorline(e, 1);
+ errorline(e, 2);
+ }
+ print(content);
+}
\ No newline at end of file
-require('less/tree').find = function (obj, fun) {
+(function (tree) {
+
+tree.debugInfo = function(env, ctx) {
+ var result="";
+ if (env.dumpLineNumbers && !env.compress) {
+ switch(env.dumpLineNumbers) {
+ case 'comments':
+ result = tree.debugInfo.asComment(ctx);
+ break;
+ case 'mediaquery':
+ result = tree.debugInfo.asMediaQuery(ctx);
+ break;
+ case 'all':
+ result = tree.debugInfo.asComment(ctx)+tree.debugInfo.asMediaQuery(ctx);
+ break;
+ }
+ }
+ return result;
+};
+
+tree.debugInfo.asComment = function(ctx) {
+ return '/* line ' + ctx.debugInfo.lineNumber + ', ' + ctx.debugInfo.fileName + ' */\n';
+};
+
+tree.debugInfo.asMediaQuery = function(ctx) {
+ return '@media -sass-debug-info{filename{font-family:' +
+ ('file://' + ctx.debugInfo.fileName).replace(/[\/:.]/g, '\\$&') +
+ '}line{font-family:\\00003' + ctx.debugInfo.lineNumber + '}}\n';
+};
+
+tree.find = function (obj, fun) {
for (var i = 0, r; i < obj.length; i++) {
if (r = fun.call(obj, obj[i])) { return r }
}
return null;
};
-require('less/tree').jsify = function (obj) {
+tree.jsify = function (obj) {
if (Array.isArray(obj.value) && (obj.value.length > 1)) {
return '[' + obj.value.map(function (v) { return v.toCSS(false) }).join(', ') + ']';
} else {
return obj.toCSS(false);
}
};
+
+})(require('./tree'));
}
};
-})(require('less/tree'));
+})(require('../tree'));
toCSS: function () {
return this.value;
},
- eval: function () { return this }
+ eval: function () { return this },
+ compare: function (x) {
+ if (!x.toCSS) {
+ return -1;
+ }
+
+ var left = this.toCSS(),
+ right = x.toCSS();
+
+ if (left === right) {
+ return 0;
+ }
+
+ return left < right ? -1 : 1;
+ }
};
-})(require('less/tree'));
+})(require('../tree'));
--- /dev/null
+(function (tree) {
+
+tree.Assignment = function (key, val) {
+ this.key = key;
+ this.value = val;
+};
+tree.Assignment.prototype = {
+ toCSS: function () {
+ return this.key + '=' + (this.value.toCSS ? this.value.toCSS() : this.value);
+ },
+ eval: function (env) {
+ if (this.value.eval) {
+ return new(tree.Assignment)(this.key, this.value.eval(env));
+ }
+ return this;
+ }
+};
+
+})(require('../tree'));
\ No newline at end of file
//
// A function call node.
//
-tree.Call = function (name, args, index) {
+tree.Call = function (name, args, index, filename) {
this.name = name;
this.args = args;
this.index = index;
+ this.filename = filename;
};
tree.Call.prototype = {
//
// When evaluating a function call,
// we either find the function in `tree.functions` [1],
// in which case we call it, passing the evaluated arguments,
- // or we simply print it out as it appeared originally [2].
+ // if this returns null or we cannot find the function, we
+ // simply print it out as it appeared originally [2].
//
// The *functions.js* file contains the built-in functions.
//
// The function should receive the value, not the variable.
//
eval: function (env) {
- var args = this.args.map(function (a) { return a.eval(env) });
+ var args = this.args.map(function (a) { return a.eval(env) }),
+ result;
if (this.name in tree.functions) { // 1.
try {
- return tree.functions[this.name].apply(tree.functions, args);
+ result = tree.functions[this.name].apply(tree.functions, args);
+ if (result != null) {
+ return result;
+ }
} catch (e) {
- throw { message: "error evaluating function `" + this.name + "`",
- index: this.index };
+ throw { type: e.type || "Runtime",
+ message: "error evaluating function `" + this.name + "`" +
+ (e.message ? ': ' + e.message : ''),
+ index: this.index, filename: this.filename };
}
- } else { // 2.
- return new(tree.Anonymous)(this.name +
- "(" + args.map(function (a) { return a.toCSS() }).join(', ') + ")");
}
+
+ // 2.
+ return new(tree.Anonymous)(this.name +
+ "(" + args.map(function (a) { return a.toCSS(env) }).join(', ') + ")");
},
toCSS: function (env) {
}
};
-})(require('less/tree'));
+})(require('../tree'));
i = (i > 255 ? 255 : (i < 0 ? 0 : i)).toString(16);
return i.length === 1 ? '0' + i : i;
}).join('');
+ },
+ compare: function (x) {
+ if (!x.rgb) {
+ return -1;
+ }
+
+ return (x.rgb[0] === this.rgb[0] &&
+ x.rgb[1] === this.rgb[1] &&
+ x.rgb[2] === this.rgb[2] &&
+ x.alpha === this.alpha) ? 0 : -1;
}
};
-})(require('less/tree'));
+})(require('../tree'));
eval: function () { return this }
};
-})(require('less/tree'));
+})(require('../tree'));
--- /dev/null
+(function (tree) {
+
+tree.Condition = function (op, l, r, i, negate) {
+ this.op = op.trim();
+ this.lvalue = l;
+ this.rvalue = r;
+ this.index = i;
+ this.negate = negate;
+};
+tree.Condition.prototype.eval = function (env) {
+ var a = this.lvalue.eval(env),
+ b = this.rvalue.eval(env);
+
+ var i = this.index, result;
+
+ var result = (function (op) {
+ switch (op) {
+ case 'and':
+ return a && b;
+ case 'or':
+ return a || b;
+ default:
+ if (a.compare) {
+ result = a.compare(b);
+ } else if (b.compare) {
+ result = b.compare(a);
+ } else {
+ throw { type: "Type",
+ message: "Unable to perform comparison",
+ index: i };
+ }
+ switch (result) {
+ case -1: return op === '<' || op === '=<';
+ case 0: return op === '=' || op === '>=' || op === '=<';
+ case 1: return op === '>' || op === '>=';
+ }
+ }
+ })(this.op);
+ return this.negate ? !result : result;
+};
+
+})(require('../tree'));
return new(tree.Dimension)
(tree.operate(op, this.value, other.value),
this.unit || other.unit);
+ },
+
+ compare: function (other) {
+ if (other instanceof tree.Dimension) {
+ if (other.value > this.value) {
+ return -1;
+ } else if (other.value < this.value) {
+ return 1;
+ } else {
+ if (other.unit && this.unit !== other.unit) {
+ return -1;
+ }
+ return 0;
+ }
+ } else {
+ return -1;
+ }
}
};
-})(require('less/tree'));
+})(require('../tree'));
tree.Directive = function (name, value) {
this.name = name;
+
if (Array.isArray(value)) {
this.ruleset = new(tree.Ruleset)([], value);
+ this.ruleset.allowImports = true;
} else {
this.value = value;
}
}
},
eval: function (env) {
- env.frames.unshift(this);
- this.ruleset = this.ruleset && this.ruleset.eval(env);
- env.frames.shift();
- return this;
+ var evaldDirective = this;
+ if (this.ruleset) {
+ env.frames.unshift(this);
+ evaldDirective = new(tree.Directive)(this.name);
+ evaldDirective.ruleset = this.ruleset.eval(env);
+ env.frames.shift();
+ }
+ return evaldDirective;
},
variable: function (name) { return tree.Ruleset.prototype.variable.call(this.ruleset, name) },
find: function () { return tree.Ruleset.prototype.find.apply(this.ruleset, arguments) },
rulesets: function () { return tree.Ruleset.prototype.rulesets.apply(this.ruleset) }
};
-})(require('less/tree'));
+})(require('../tree'));
(function (tree) {
-tree.Element = function (combinator, value) {
+tree.Element = function (combinator, value, index) {
this.combinator = combinator instanceof tree.Combinator ?
combinator : new(tree.Combinator)(combinator);
- this.value = value ? value.trim() : "";
+
+ if (typeof(value) === 'string') {
+ this.value = value.trim();
+ } else if (value) {
+ this.value = value;
+ } else {
+ this.value = "";
+ }
+ this.index = index;
+};
+tree.Element.prototype.eval = function (env) {
+ return new(tree.Element)(this.combinator,
+ this.value.eval ? this.value.eval(env) : this.value,
+ this.index);
};
tree.Element.prototype.toCSS = function (env) {
- return this.combinator.toCSS(env || {}) + this.value;
+ var value = (this.value.toCSS ? this.value.toCSS(env) : this.value);
+ if (value == '' && this.combinator.value.charAt(0) == '&') {
+ return '';
+ } else {
+ return this.combinator.toCSS(env || {}) + value;
+ }
};
tree.Combinator = function (value) {
if (value === ' ') {
this.value = ' ';
- } else if (value === '& ') {
- this.value = '& ';
} else {
this.value = value ? value.trim() : "";
}
return {
'' : '',
' ' : ' ',
- '&' : '',
- '& ' : ' ',
':' : ' :',
- '::': '::',
'+' : env.compress ? '+' : ' + ',
'~' : env.compress ? '~' : ' ~ ',
- '>' : env.compress ? '>' : ' > '
+ '>' : env.compress ? '>' : ' > ',
+ '|' : env.compress ? '|' : ' | '
}[this.value];
};
-})(require('less/tree'));
+})(require('../tree'));
},
toCSS: function (env) {
return this.value.map(function (e) {
- return e.toCSS(env);
+ return e.toCSS ? e.toCSS(env) : '';
}).join(' ');
}
};
-})(require('less/tree'));
+})(require('../tree'));
// `import,push`, we also pass it a callback, which it'll call once
// the file has been fetched, and parsed.
//
-tree.Import = function (path, imports) {
+tree.Import = function (path, imports, features, once, index, rootpath) {
var that = this;
+ this.once = once;
+ this.index = index;
this._path = path;
-
+ this.features = features && new(tree.Value)(features);
+ this.rootpath = rootpath;
+
// The '.less' extension is optional
if (path instanceof tree.Quoted) {
- this.path = /\.(le?|c)ss(\?.*)?$/.test(path.value) ? path.value : path.value + '.less';
+ this.path = /(\.[a-z]*$)|([\?;].*)$/.test(path.value) ? path.value : path.value + '.less';
} else {
this.path = path.value.value || path.value;
}
- this.css = /css(\?.*)?$/.test(this.path);
+ this.css = /css([\?;].*)?$/.test(this.path);
// Only pre-compile .less files
if (! this.css) {
- imports.push(this.path, function (root) {
- if (! root) {
- throw new(Error)("Error parsing " + that.path);
- }
- that.root = root;
+ imports.push(this.path, function (e, root, imported) {
+ if (e) { e.index = index }
+ if (imported && that.once) that.skip = imported;
+ that.root = root || new(tree.Ruleset)([], []);
});
}
};
// ruleset.
//
tree.Import.prototype = {
- toCSS: function () {
+ toCSS: function (env) {
+ var features = this.features ? ' ' + this.features.toCSS(env) : '';
+
if (this.css) {
- return "@import " + this._path.toCSS() + ';\n';
+ // Add the base path if the import is relative
+ if (typeof this._path.value === "string" && !/^(?:[a-z-]+:|\/)/.test(this._path.value)) {
+ this._path.value = this.rootpath + this._path.value;
+ }
+ return "@import " + this._path.toCSS() + features + ';\n';
} else {
return "";
}
},
eval: function (env) {
- var ruleset;
+ var ruleset, features = this.features && this.features.eval(env);
+
+ if (this.skip) return [];
if (this.css) {
return this;
} else {
- ruleset = new(tree.Ruleset)(null, this.root.rules.slice(0));
+ ruleset = new(tree.Ruleset)([], this.root.rules.slice(0));
- for (var i = 0; i < ruleset.rules.length; i++) {
- if (ruleset.rules[i] instanceof tree.Import) {
- Array.prototype
- .splice
- .apply(ruleset.rules,
- [i, 1].concat(ruleset.rules[i].eval(env)));
- }
- }
- return ruleset.rules;
+ ruleset.evalImports(env);
+
+ return this.features ? new(tree.Media)(ruleset.rules, this.features.value) : ruleset.rules;
}
}
};
-})(require('less/tree'));
+})(require('../tree'));
}
};
-})(require('less/tree'));
+})(require('../tree'));
tree.Keyword = function (value) { this.value = value };
tree.Keyword.prototype = {
eval: function () { return this },
- toCSS: function () { return this.value }
+ toCSS: function () { return this.value },
+ compare: function (other) {
+ if (other instanceof tree.Keyword) {
+ return other.value === this.value ? 0 : 1;
+ } else {
+ return -1;
+ }
+ }
};
-})(require('less/tree'));
+tree.True = new(tree.Keyword)('true');
+tree.False = new(tree.Keyword)('false');
+
+})(require('../tree'));
--- /dev/null
+(function (tree) {
+
+tree.Media = function (value, features) {
+ var selectors = this.emptySelectors();
+
+ this.features = new(tree.Value)(features);
+ this.ruleset = new(tree.Ruleset)(selectors, value);
+ this.ruleset.allowImports = true;
+};
+tree.Media.prototype = {
+ toCSS: function (ctx, env) {
+ var features = this.features.toCSS(env);
+
+ this.ruleset.root = (ctx.length === 0 || ctx[0].multiMedia);
+ return '@media ' + features + (env.compress ? '{' : ' {\n ') +
+ this.ruleset.toCSS(ctx, env).trim().replace(/\n/g, '\n ') +
+ (env.compress ? '}': '\n}\n');
+ },
+ eval: function (env) {
+ if (!env.mediaBlocks) {
+ env.mediaBlocks = [];
+ env.mediaPath = [];
+ }
+
+ var media = new(tree.Media)([], []);
+ if(this.debugInfo) {
+ this.ruleset.debugInfo = this.debugInfo;
+ media.debugInfo = this.debugInfo;
+ }
+ media.features = this.features.eval(env);
+
+ env.mediaPath.push(media);
+ env.mediaBlocks.push(media);
+
+ env.frames.unshift(this.ruleset);
+ media.ruleset = this.ruleset.eval(env);
+ env.frames.shift();
+
+ env.mediaPath.pop();
+
+ return env.mediaPath.length === 0 ? media.evalTop(env) :
+ media.evalNested(env)
+ },
+ variable: function (name) { return tree.Ruleset.prototype.variable.call(this.ruleset, name) },
+ find: function () { return tree.Ruleset.prototype.find.apply(this.ruleset, arguments) },
+ rulesets: function () { return tree.Ruleset.prototype.rulesets.apply(this.ruleset) },
+ emptySelectors: function() {
+ var el = new(tree.Element)('', '&', 0);
+ return [new(tree.Selector)([el])];
+ },
+
+ evalTop: function (env) {
+ var result = this;
+
+ // Render all dependent Media blocks.
+ if (env.mediaBlocks.length > 1) {
+ var selectors = this.emptySelectors();
+ result = new(tree.Ruleset)(selectors, env.mediaBlocks);
+ result.multiMedia = true;
+ }
+
+ delete env.mediaBlocks;
+ delete env.mediaPath;
+
+ return result;
+ },
+ evalNested: function (env) {
+ var i, value,
+ path = env.mediaPath.concat([this]);
+
+ // Extract the media-query conditions separated with `,` (OR).
+ for (i = 0; i < path.length; i++) {
+ value = path[i].features instanceof tree.Value ?
+ path[i].features.value : path[i].features;
+ path[i] = Array.isArray(value) ? value : [value];
+ }
+
+ // Trace all permutations to generate the resulting media-query.
+ //
+ // (a, b and c) with nested (d, e) ->
+ // a and d
+ // a and e
+ // b and c and d
+ // b and c and e
+ this.features = new(tree.Value)(this.permute(path).map(function (path) {
+ path = path.map(function (fragment) {
+ return fragment.toCSS ? fragment : new(tree.Anonymous)(fragment);
+ });
+
+ for(i = path.length - 1; i > 0; i--) {
+ path.splice(i, 0, new(tree.Anonymous)("and"));
+ }
+
+ return new(tree.Expression)(path);
+ }));
+
+ // Fake a tree-node that doesn't output anything.
+ return new(tree.Ruleset)([], []);
+ },
+ permute: function (arr) {
+ if (arr.length === 0) {
+ return [];
+ } else if (arr.length === 1) {
+ return arr[0];
+ } else {
+ var result = [];
+ var rest = this.permute(arr.slice(1));
+ for (var i = 0; i < rest.length; i++) {
+ for (var j = 0; j < arr[0].length; j++) {
+ result.push([arr[0][j]].concat(rest[i]));
+ }
+ }
+ return result;
+ }
+ },
+ bubbleSelectors: function (selectors) {
+ this.ruleset = new(tree.Ruleset)(selectors.slice(0), [this.ruleset]);
+ }
+};
+
+})(require('../tree'));
(function (tree) {
tree.mixin = {};
-tree.mixin.Call = function (elements, args, index) {
+tree.mixin.Call = function (elements, args, index, filename, important) {
this.selector = new(tree.Selector)(elements);
this.arguments = args;
this.index = index;
+ this.filename = filename;
+ this.important = important;
};
tree.mixin.Call.prototype = {
eval: function (env) {
- var mixins, args, rules = [], match = false;
+ var mixins, mixin, args, rules = [], match = false, i, m, f, isRecursive, isOneFound;
- for (var i = 0; i < env.frames.length; i++) {
+ args = this.arguments && this.arguments.map(function (a) {
+ return { name: a.name, value: a.value.eval(env) };
+ });
+
+ for (i = 0; i < env.frames.length; i++) {
if ((mixins = env.frames[i].find(this.selector)).length > 0) {
- args = this.arguments && this.arguments.map(function (a) { return a.eval(env) });
- for (var m = 0; m < mixins.length; m++) {
- if (mixins[m].match(args, env)) {
- try {
- Array.prototype.push.apply(
- rules, mixins[m].eval(env, this.arguments).rules);
- match = true;
- } catch (e) {
- throw { message: e.message, index: e.index, stack: e.stack, call: this.index };
+ isOneFound = true;
+ for (m = 0; m < mixins.length; m++) {
+ mixin = mixins[m];
+ isRecursive = false;
+ for(f = 0; f < env.frames.length; f++) {
+ if ((!(mixin instanceof tree.mixin.Definition)) && mixin === (env.frames[f].originalRuleset || env.frames[f])) {
+ isRecursive = true;
+ break;
}
}
+ if (isRecursive) {
+ continue;
+ }
+ if (mixin.matchArgs(args, env)) {
+ if (!mixin.matchCondition || mixin.matchCondition(args, env)) {
+ try {
+ Array.prototype.push.apply(
+ rules, mixin.eval(env, args, this.important).rules);
+ } catch (e) {
+ throw { message: e.message, index: this.index, filename: this.filename, stack: e.stack };
+ }
+ }
+ match = true;
+ }
}
if (match) {
return rules;
- } else {
- throw { message: 'No matching definition was found for `' +
- this.selector.toCSS().trim() + '(' +
- this.arguments.map(function (a) {
- return a.toCSS();
- }).join(', ') + ")`",
- index: this.index };
}
}
}
- throw { message: this.selector.toCSS().trim() + " is undefined",
- index: this.index };
+ if (isOneFound) {
+ throw { type: 'Runtime',
+ message: 'No matching definition was found for `' +
+ this.selector.toCSS().trim() + '(' +
+ (args ? args.map(function (a) {
+ var argValue = "";
+ if (a.name) {
+ argValue += a.name + ":";
+ }
+ if (a.value.toCSS) {
+ argValue += a.value.toCSS();
+ } else {
+ argValue += "???";
+ }
+ return argValue;
+ }).join(', ') : "") + ")`",
+ index: this.index, filename: this.filename };
+ } else {
+ throw { type: 'Name',
+ message: this.selector.toCSS().trim() + " is undefined",
+ index: this.index, filename: this.filename };
+ }
}
};
-tree.mixin.Definition = function (name, params, rules) {
+tree.mixin.Definition = function (name, params, rules, condition, variadic) {
this.name = name;
this.selectors = [new(tree.Selector)([new(tree.Element)(null, name)])];
this.params = params;
+ this.condition = condition;
+ this.variadic = variadic;
this.arity = params.length;
this.rules = rules;
this._lookups = {};
find: function () { return this.parent.find.apply(this, arguments) },
rulesets: function () { return this.parent.rulesets.apply(this) },
- eval: function (env, args) {
- var frame = new(tree.Ruleset)(null, []), context, _arguments = [];
+ evalParams: function (env, mixinEnv, args, evaldArguments) {
+ var frame = new(tree.Ruleset)(null, []), varargs, arg, params = this.params.slice(0), i, j, val, name, isNamedFound, argIndex;
+
+ if (args) {
+ args = args.slice(0);
+
+ for(i = 0; i < args.length; i++) {
+ arg = args[i];
+ if (name = (arg && arg.name)) {
+ isNamedFound = false;
+ for(j = 0; j < params.length; j++) {
+ if (!evaldArguments[j] && name === params[j].name) {
+ evaldArguments[j] = arg.value.eval(env);
+ frame.rules.unshift(new(tree.Rule)(name, arg.value.eval(env)));
+ isNamedFound = true;
+ break;
+ }
+ }
+ if (isNamedFound) {
+ args.splice(i, 1);
+ i--;
+ continue;
+ } else {
+ throw { type: 'Runtime', message: "Named argument for " + this.name +
+ ' ' + args[i].name + ' not found' };
+ }
+ }
+ }
+ }
+ argIndex = 0;
+ for (i = 0; i < params.length; i++) {
+ if (evaldArguments[i]) continue;
+
+ arg = args && args[argIndex];
- for (var i = 0, val; i < this.params.length; i++) {
- if (this.params[i].name) {
- if (val = (args && args[i]) || this.params[i].value) {
- frame.rules.unshift(new(tree.Rule)(this.params[i].name, val.eval(env)));
+ if (name = params[i].name) {
+ if (params[i].variadic && args) {
+ varargs = [];
+ for (j = argIndex; j < args.length; j++) {
+ varargs.push(args[j].value.eval(env));
+ }
+ frame.rules.unshift(new(tree.Rule)(name, new(tree.Expression)(varargs).eval(env)));
} else {
- throw { message: "wrong number of arguments for " + this.name +
+ val = arg && arg.value;
+ if (val) {
+ val = val.eval(env);
+ } else if (params[i].value) {
+ val = params[i].value.eval(mixinEnv);
+ } else {
+ throw { type: 'Runtime', message: "wrong number of arguments for " + this.name +
' (' + args.length + ' for ' + this.arity + ')' };
+ }
+
+ frame.rules.unshift(new(tree.Rule)(name, val));
+ evaldArguments[i] = val;
}
}
+
+ if (params[i].variadic && args) {
+ for (j = argIndex; j < args.length; j++) {
+ evaldArguments[j] = args[j].value.eval(env);
+ }
+ }
+ argIndex++;
}
- for (var i = 0; i < Math.max(this.params.length, args && args.length); i++) {
- _arguments.push(args[i] || this.params[i].value);
- }
+
+ return frame;
+ },
+ eval: function (env, args, important) {
+ var _arguments = [],
+ mixinFrames = this.frames.concat(env.frames),
+ frame = this.evalParams(env, {frames: mixinFrames}, args, _arguments),
+ context, rules, start, ruleset;
+
frame.rules.unshift(new(tree.Rule)('@arguments', new(tree.Expression)(_arguments).eval(env)));
- return new(tree.Ruleset)(null, this.rules.slice(0)).eval({
- frames: [this, frame].concat(this.frames, env.frames)
+ rules = important ?
+ this.parent.makeImportant.apply(this).rules : this.rules.slice(0);
+
+ ruleset = new(tree.Ruleset)(null, rules).eval({
+ frames: [this, frame].concat(mixinFrames)
});
+ ruleset.originalRuleset = this;
+ return ruleset;
},
- match: function (args, env) {
- var argsLength = (args && args.length) || 0, len;
+ matchCondition: function (args, env) {
+ if (this.condition && !this.condition.eval({
+ frames: [this.evalParams(env, {frames: this.frames.concat(env.frames)}, args, [])].concat(env.frames)
+ })) { return false }
+ return true;
+ },
+ matchArgs: function (args, env) {
+ var argsLength = (args && args.length) || 0, len, frame;
- if (argsLength < this.required) { return false }
- if ((this.required > 0) && (argsLength > this.params.length)) { return false }
+ if (! this.variadic) {
+ if (argsLength < this.required) { return false }
+ if (argsLength > this.params.length) { return false }
+ if ((this.required > 0) && (argsLength > this.params.length)) { return false }
+ }
len = Math.min(argsLength, this.arity);
for (var i = 0; i < len; i++) {
- if (!this.params[i].name) {
- if (args[i].eval(env).toCSS() != this.params[i].value.eval(env).toCSS()) {
+ if (!this.params[i].name && !this.params[i].variadic) {
+ if (args[i].value.eval(env).toCSS() != this.params[i].value.eval(env).toCSS()) {
return false;
}
}
}
};
-})(require('less/tree'));
+})(require('../tree'));
message: "Can't substract or divide a color from a number" };
}
}
+ if (!a.operate) {
+ throw { name: "OperationError",
+ message: "Operation on an invalid type" };
+ }
+
return a.operate(this.op, b);
};
}
};
-})(require('less/tree'));
+})(require('../tree'));
--- /dev/null
+
+(function (tree) {
+
+tree.Paren = function (node) {
+ this.value = node;
+};
+tree.Paren.prototype = {
+ toCSS: function (env) {
+ return '(' + this.value.toCSS(env) + ')';
+ },
+ eval: function (env) {
+ return new(tree.Paren)(this.value.eval(env));
+ }
+};
+
+})(require('../tree'));
return new(tree.JavaScript)(exp, that.index, true).eval(env).value;
}).replace(/@\{([\w-]+)\}/g, function (_, name) {
var v = new(tree.Variable)('@' + name, that.index).eval(env);
- return v.value || v.toCSS();
+ return (v instanceof tree.Quoted) ? v.value : v.toCSS();
});
return new(tree.Quoted)(this.quote + value + this.quote, value, this.escaped, this.index);
+ },
+ compare: function (x) {
+ if (!x.toCSS) {
+ return -1;
+ }
+
+ var left = this.toCSS(),
+ right = x.toCSS();
+
+ if (left === right) {
+ return 0;
+ }
+
+ return left < right ? -1 : 1;
}
};
-})(require('less/tree'));
+})(require('../tree'));
--- /dev/null
+(function (tree) {
+
+tree.Ratio = function (value) {
+ this.value = value;
+};
+tree.Ratio.prototype = {
+ toCSS: function (env) {
+ return this.value;
+ },
+ eval: function () { return this }
+};
+
+})(require('../tree'));
(function (tree) {
-tree.Rule = function (name, value, important, index) {
+tree.Rule = function (name, value, important, index, inline) {
this.name = name;
this.value = (value instanceof tree.Value) ? value : new(tree.Value)([value]);
this.important = important ? ' ' + important.trim() : '';
this.index = index;
+ this.inline = inline || false;
if (name.charAt(0) === '@') {
this.variable = true;
else {
return this.name + (env.compress ? ':' : ': ') +
this.value.toCSS(env) +
- this.important + ";";
+ this.important + (this.inline ? "" : ";");
}
};
tree.Rule.prototype.eval = function (context) {
- return new(tree.Rule)(this.name, this.value.eval(context), this.important, this.index);
+ return new(tree.Rule)(this.name,
+ this.value.eval(context),
+ this.important,
+ this.index, this.inline);
+};
+
+tree.Rule.prototype.makeImportant = function () {
+ return new(tree.Rule)(this.name,
+ this.value,
+ "!important",
+ this.index, this.inline);
};
tree.Shorthand = function (a, b) {
eval: function () { return this }
};
-})(require('less/tree'));
+})(require('../tree'));
(function (tree) {
-tree.Ruleset = function (selectors, rules) {
+tree.Ruleset = function (selectors, rules, strictImports) {
this.selectors = selectors;
this.rules = rules;
this._lookups = {};
+ this.strictImports = strictImports;
};
tree.Ruleset.prototype = {
eval: function (env) {
- var ruleset = new(tree.Ruleset)(this.selectors, this.rules.slice(0));
-
+ var selectors = this.selectors && this.selectors.map(function (s) { return s.eval(env) });
+ var ruleset = new(tree.Ruleset)(selectors, this.rules.slice(0), this.strictImports);
+ var rules;
+
+ ruleset.originalRuleset = this;
ruleset.root = this.root;
+ ruleset.allowImports = this.allowImports;
+
+ if(this.debugInfo) {
+ ruleset.debugInfo = this.debugInfo;
+ }
// push the current ruleset to the frames stack
env.frames.unshift(ruleset);
// Evaluate imports
- if (ruleset.root) {
- for (var i = 0; i < ruleset.rules.length; i++) {
- if (ruleset.rules[i] instanceof tree.Import) {
- Array.prototype.splice
- .apply(ruleset.rules, [i, 1].concat(ruleset.rules[i].eval(env)));
- }
- }
+ if (ruleset.root || ruleset.allowImports || !ruleset.strictImports) {
+ ruleset.evalImports(env);
}
// Store the frames around mixin definitions,
ruleset.rules[i].frames = env.frames.slice(0);
}
}
+
+ var mediaBlockCount = (env.mediaBlocks && env.mediaBlocks.length) || 0;
// Evaluate mixin calls.
for (var i = 0; i < ruleset.rules.length; i++) {
if (ruleset.rules[i] instanceof tree.mixin.Call) {
- Array.prototype.splice
- .apply(ruleset.rules, [i, 1].concat(ruleset.rules[i].eval(env)));
+ rules = ruleset.rules[i].eval(env);
+ ruleset.rules.splice.apply(ruleset.rules, [i, 1].concat(rules));
+ i += rules.length-1;
+ ruleset.resetCache();
}
}
// Pop the stack
env.frames.shift();
+
+ if (env.mediaBlocks) {
+ for(var i = mediaBlockCount; i < env.mediaBlocks.length; i++) {
+ env.mediaBlocks[i].bubbleSelectors(selectors);
+ }
+ }
return ruleset;
},
- match: function (args) {
+ evalImports: function(env) {
+ var i, rules;
+ for (i = 0; i < this.rules.length; i++) {
+ if (this.rules[i] instanceof tree.Import) {
+ rules = this.rules[i].eval(env);
+ if (typeof rules.length === "number") {
+ this.rules.splice.apply(this.rules, [i, 1].concat(rules));
+ i+= rules.length-1;
+ } else {
+ this.rules.splice(i, 1, rules);
+ }
+ this.resetCache();
+ }
+ }
+ },
+ makeImportant: function() {
+ return new tree.Ruleset(this.selectors, this.rules.map(function (r) {
+ if (r.makeImportant) {
+ return r.makeImportant();
+ } else {
+ return r;
+ }
+ }), this.strictImports);
+ },
+ matchArgs: function (args) {
return !args || args.length === 0;
},
+ resetCache: function () {
+ this._rulesets = null;
+ this._variables = null;
+ this._lookups = {};
+ },
variables: function () {
if (this._variables) { return this._variables }
else {
toCSS: function (context, env) {
var css = [], // The CSS output
rules = [], // node.Rule instances
+ _rules = [], //
rulesets = [], // node.Ruleset instances
paths = [], // Current selectors
selector, // The fully rendered selector
+ debugInfo, // Line number debugging
rule;
if (! this.root) {
- if (context.length === 0) {
- paths = this.selectors.map(function (s) { return [s] });
- } else {
- this.joinSelectors( paths, context, this.selectors );
- }
+ this.joinSelectors(paths, context, this.selectors);
}
// Compile rules and rulesets
for (var i = 0; i < this.rules.length; i++) {
rule = this.rules[i];
- if (rule.rules || (rule instanceof tree.Directive)) {
+ if (rule.rules || (rule instanceof tree.Media)) {
rulesets.push(rule.toCSS(paths, env));
+ } else if (rule instanceof tree.Directive) {
+ var cssValue = rule.toCSS(paths, env);
+ // Output only the first @charset definition as such - convert the others
+ // to comments in case debug is enabled
+ if (rule.name === "@charset") {
+ // Only output the debug info together with subsequent @charset definitions
+ // a comment (or @media statement) before the actual @charset directive would
+ // be considered illegal css as it has to be on the first line
+ if (env.charset) {
+ if (rule.debugInfo) {
+ rulesets.push(tree.debugInfo(env, rule));
+ rulesets.push(new tree.Comment("/* "+cssValue.replace(/\n/g, "")+" */\n").toCSS(env));
+ }
+ continue;
+ }
+ env.charset = true;
+ }
+ rulesets.push(cssValue);
} else if (rule instanceof tree.Comment) {
if (!rule.silent) {
if (this.root) {
css.push(rules.join(env.compress ? '' : '\n'));
} else {
if (rules.length > 0) {
+ debugInfo = tree.debugInfo(env, this);
selector = paths.map(function (p) {
return p.map(function (s) {
return s.toCSS(env);
}).join('').trim();
- }).join(env.compress ? ',' : (paths.length > 3 ? ',\n' : ', '));
- css.push(selector,
+ }).join(env.compress ? ',' : ',\n');
+
+ // Remove duplicates
+ for (var i = rules.length - 1; i >= 0; i--) {
+ if (_rules.indexOf(rules[i]) === -1) {
+ _rules.unshift(rules[i]);
+ }
+ }
+ rules = _rules;
+
+ css.push(debugInfo + selector +
(env.compress ? '{' : ' {\n ') +
rules.join(env.compress ? '' : '\n ') +
(env.compress ? '}' : '\n}\n'));
}
css.push(rulesets);
- return css.join('') + (env.compress ? '\n' : '');
+ return css.join('') + (env.compress ? '\n' : '');
},
joinSelectors: function (paths, context, selectors) {
},
joinSelector: function (paths, context, selector) {
- var before = [], after = [], beforeElements = [],
- afterElements = [], hasParentSelector = false, el;
- for (var i = 0; i < selector.elements.length; i++) {
+ var i, j, k,
+ hasParentSelector, newSelectors, el, sel, parentSel,
+ newSelectorPath, afterParentJoin, newJoinedSelector,
+ newJoinedSelectorEmpty, lastSelector, currentElements,
+ selectorsMultiplied;
+
+ for (i = 0; i < selector.elements.length; i++) {
el = selector.elements[i];
- if (el.combinator.value[0] === '&') {
+ if (el.value === '&') {
hasParentSelector = true;
}
- if (hasParentSelector) afterElements.push(el);
- else beforeElements.push(el);
+ }
+
+ if (!hasParentSelector) {
+ if (context.length > 0) {
+ for(i = 0; i < context.length; i++) {
+ paths.push(context[i].concat(selector));
+ }
+ }
+ else {
+ paths.push([selector]);
+ }
+ return;
}
- if (! hasParentSelector) {
- afterElements = beforeElements;
- beforeElements = [];
+ // The paths are [[Selector]]
+ // The first list is a list of comma seperated selectors
+ // The inner list is a list of inheritance seperated selectors
+ // e.g.
+ // .a, .b {
+ // .c {
+ // }
+ // }
+ // == [[.a] [.c]] [[.b] [.c]]
+ //
+
+ // the elements from the current selector so far
+ currentElements = [];
+ // the current list of new selectors to add to the path.
+ // We will build it up. We initiate it with one empty selector as we "multiply" the new selectors
+ // by the parents
+ newSelectors = [[]];
+
+ for (i = 0; i < selector.elements.length; i++) {
+ el = selector.elements[i];
+ // non parent reference elements just get added
+ if (el.value !== "&") {
+ currentElements.push(el);
+ } else {
+ // the new list of selectors to add
+ selectorsMultiplied = [];
+
+ // merge the current list of non parent selector elements
+ // on to the current list of selectors to add
+ if (currentElements.length > 0) {
+ this.mergeElementsOnToSelectors(currentElements, newSelectors);
+ }
+
+ // loop through our current selectors
+ for(j = 0; j < newSelectors.length; j++) {
+ sel = newSelectors[j];
+ // if we don't have any parent paths, the & might be in a mixin so that it can be used
+ // whether there are parents or not
+ if (context.length == 0) {
+ // the combinator used on el should now be applied to the next element instead so that
+ // it is not lost
+ if (sel.length > 0) {
+ sel[0].elements = sel[0].elements.slice(0);
+ sel[0].elements.push(new(tree.Element)(el.combinator, '', 0)); //new Element(el.Combinator, ""));
+ }
+ selectorsMultiplied.push(sel);
+ }
+ else {
+ // and the parent selectors
+ for(k = 0; k < context.length; k++) {
+ parentSel = context[k];
+ // We need to put the current selectors
+ // then join the last selector's elements on to the parents selectors
+
+ // our new selector path
+ newSelectorPath = [];
+ // selectors from the parent after the join
+ afterParentJoin = [];
+ newJoinedSelectorEmpty = true;
+
+ //construct the joined selector - if & is the first thing this will be empty,
+ // if not newJoinedSelector will be the last set of elements in the selector
+ if (sel.length > 0) {
+ newSelectorPath = sel.slice(0);
+ lastSelector = newSelectorPath.pop();
+ newJoinedSelector = new(tree.Selector)(lastSelector.elements.slice(0));
+ newJoinedSelectorEmpty = false;
+ }
+ else {
+ newJoinedSelector = new(tree.Selector)([]);
+ }
+
+ //put together the parent selectors after the join
+ if (parentSel.length > 1) {
+ afterParentJoin = afterParentJoin.concat(parentSel.slice(1));
+ }
+
+ if (parentSel.length > 0) {
+ newJoinedSelectorEmpty = false;
+
+ // join the elements so far with the first part of the parent
+ newJoinedSelector.elements.push(new(tree.Element)(el.combinator, parentSel[0].elements[0].value, 0));
+ newJoinedSelector.elements = newJoinedSelector.elements.concat(parentSel[0].elements.slice(1));
+ }
+
+ if (!newJoinedSelectorEmpty) {
+ // now add the joined selector
+ newSelectorPath.push(newJoinedSelector);
+ }
+
+ // and the rest of the parent
+ newSelectorPath = newSelectorPath.concat(afterParentJoin);
+
+ // add that to our new set of selectors
+ selectorsMultiplied.push(newSelectorPath);
+ }
+ }
+ }
+
+ // our new selectors has been multiplied, so reset the state
+ newSelectors = selectorsMultiplied;
+ currentElements = [];
+ }
+ }
+
+ // if we have any elements left over (e.g. .a& .b == .b)
+ // add them on to all the current selectors
+ if (currentElements.length > 0) {
+ this.mergeElementsOnToSelectors(currentElements, newSelectors);
}
- if (beforeElements.length > 0) {
- before.push(new(tree.Selector)(beforeElements));
+ for(i = 0; i < newSelectors.length; i++) {
+ paths.push(newSelectors[i]);
}
+ },
+
+ mergeElementsOnToSelectors: function(elements, selectors) {
+ var i, sel;
- if (afterElements.length > 0) {
- after.push(new(tree.Selector)(afterElements));
+ if (selectors.length == 0) {
+ selectors.push([ new(tree.Selector)(elements) ]);
+ return;
}
- for (var c = 0; c < context.length; c++) {
- paths.push(before.concat(context[c]).concat(after));
+ for(i = 0; i < selectors.length; i++) {
+ sel = selectors[i];
+
+ // if the previous thing in sel is a parent this needs to join on to it
+ if (sel.length > 0) {
+ sel[sel.length - 1] = new(tree.Selector)(sel[sel.length - 1].elements.concat(elements));
+ }
+ else {
+ sel.push(new(tree.Selector)(elements));
+ }
}
}
};
-})(require('less/tree'));
+})(require('../tree'));
tree.Selector = function (elements) {
this.elements = elements;
- if (this.elements[0].combinator.value === "") {
- this.elements[0].combinator.value = ' ';
- }
};
tree.Selector.prototype.match = function (other) {
- var value = this.elements[0].value,
- len = this.elements.length,
- olen = other.elements.length;
+ var elements = this.elements,
+ len = elements.length,
+ oelements, olen, max, i;
- if (len > olen) {
- return value === other.elements[0].value;
- }
+ oelements = other.elements.slice(
+ (other.elements.length && other.elements[0].value === "&") ? 1 : 0);
+ olen = oelements.length;
+ max = Math.min(len, olen)
- for (var i = 0; i < olen; i ++) {
- if (value === other.elements[i].value) {
- for (var j = 1; j < len; j ++) {
- if (this.elements[j].value !== other.elements[i + j].value) {
- return false;
- }
+ if (olen === 0 || len < olen) {
+ return false;
+ } else {
+ for (i = 0; i < max; i++) {
+ if (elements[i].value !== oelements[i].value) {
+ return false;
}
- return true;
}
}
- return false;
+ return true;
+};
+tree.Selector.prototype.eval = function (env) {
+ return new(tree.Selector)(this.elements.map(function (e) {
+ return e.eval(env);
+ }));
};
tree.Selector.prototype.toCSS = function (env) {
if (this._css) { return this._css }
-
- return this._css = this.elements.map(function (e) {
+
+ if (this.elements[0].combinator.value === "") {
+ this._css = ' ';
+ } else {
+ this._css = '';
+ }
+
+ this._css += this.elements.map(function (e) {
if (typeof(e) === 'string') {
return ' ' + e.trim();
} else {
return e.toCSS(env);
}
}).join('');
+
+ return this._css;
};
-})(require('less/tree'));
+})(require('../tree'));
--- /dev/null
+(function (tree) {
+
+tree.UnicodeDescriptor = function (value) {
+ this.value = value;
+};
+tree.UnicodeDescriptor.prototype = {
+ toCSS: function (env) {
+ return this.value;
+ },
+ eval: function () { return this }
+};
+
+})(require('../tree'));
(function (tree) {
-tree.URL = function (val, paths) {
- if (val.data) {
- this.attrs = val;
- } else {
- // Add the base path if the URL is relative and we are in the browser
- if (!/^(?:https?:\/|file:\/|data:\/)?\//.test(val.value) && paths.length > 0 && typeof(window) !== 'undefined') {
- val.value = paths[0] + (val.value.charAt(0) === '/' ? val.value.slice(1) : val.value);
- }
- this.value = val;
- this.paths = paths;
- }
+tree.URL = function (val, rootpath) {
+ this.value = val;
+ this.rootpath = rootpath;
};
tree.URL.prototype = {
toCSS: function () {
- return "url(" + (this.attrs ? 'data:' + this.attrs.mime + this.attrs.charset + this.attrs.base64 + this.attrs.data
- : this.value.toCSS()) + ")";
+ return "url(" + this.value.toCSS() + ")";
},
eval: function (ctx) {
- return this.attrs ? this : new(tree.URL)(this.value.eval(ctx), this.paths);
+ var val = this.value.eval(ctx), rootpath;
+
+ // Add the base path if the URL is relative
+ if (typeof val.value === "string" && !/^(?:[a-z-]+:|\/)/.test(val.value)) {
+ rootpath = this.rootpath;
+ if (!val.quote) {
+ rootpath = rootpath.replace(/[\(\)'"\s]/g, function(match) { return "\\"+match; });
+ }
+ val.value = rootpath + val.value;
+ }
+
+ return new(tree.URL)(val, this.rootpath);
}
};
-})(require('less/tree'));
+})(require('../tree'));
}
};
-})(require('less/tree'));
+})(require('../tree'));
(function (tree) {
-tree.Variable = function (name, index) { this.name = name, this.index = index };
+tree.Variable = function (name, index, file) { this.name = name, this.index = index, this.file = file };
tree.Variable.prototype = {
eval: function (env) {
var variable, v, name = this.name;
if (name.indexOf('@@') == 0) {
name = '@' + new(tree.Variable)(name.slice(1)).eval(env).value;
}
+
+ if (this.evaluating) {
+ throw { type: 'Name',
+ message: "Recursive variable definition for " + name,
+ filename: this.file,
+ index: this.index };
+ }
+
+ this.evaluating = true;
if (variable = tree.find(env.frames, function (frame) {
if (v = frame.variable(name)) {
return v.value.eval(env);
}
- })) { return variable }
+ })) {
+ this.evaluating = false;
+ return variable;
+ }
else {
- throw { message: "variable " + name + " is undefined",
+ throw { type: 'Name',
+ message: "variable " + name + " is undefined",
+ filename: this.file,
index: this.index };
}
}
};
-})(require('less/tree'));
+})(require('../tree'));
}
/* code for label+inputbox : remove this code if webApp dev. controls input area */
-@media all and (min-width: 721*@unit_base) {
+@media all and (min-width: 721px) {
label.ui-input-text:not([data-type='search']) {
vertical-align: top;
display: inline-block;
projects / platform / framework / web / web-ui-fw.git / commitdiff