carto/lib/less/node/ruleset.js
2010-02-28 01:06:54 -05:00

64 lines
2.0 KiB
JavaScript

node.Ruleset = function Ruleset(selectors, rules) {
this.selectors = selectors;
this.rules = rules;
};
node.Ruleset.prototype = {
variables: function () {
return this.rules.filter(function (r) {
if (r instanceof node.Rule && r.variable === true) { return r }
});
},
toCSS: function (context, env) {
var css = [],
rules = [],
rulesets = [],
paths = [],
selector;
if (! this.root) {
if (context.length === 0) {
paths = this.selectors.map(function (s) { return [s.toCSS(env)] });
} else {
for (var s = 0; s < this.selectors.length; s++) {
for (var c = 0; c < context.length; c++) {
paths.push(context[c].concat([this.selectors[s].toCSS()]));
}
}
}
}
env.frames.unshift(this);
for (var i = 0; i < this.rules.length; i++) {
if (this.rules[i] instanceof node.Ruleset) {
rulesets.push(this.rules[i].toCSS(paths, env));
} else {
if (this.rules[i].toCSS) {
rules.push(this.rules[i].toCSS(env));
} else if (this.rules[i].value) {
rules.push(this.rules[i].value.toString());
}
}
}
rulesets = rulesets.join('');
if (this.root) {
css.push(rules.join('\n'));
} else {
if (rules.length > 0) {
selector = paths.map(function (p) { return p.join('').trim() })
.join(paths.length > 3 ? ',\n' : ', ').trim();
css.push(selector, " {\n " + rules.join('\n ') + "\n}\n");
}
}
css.push(rulesets);
env.frames.shift();
for (var p = 0; p < paths.length; p++) { paths[p].pop() }
return css.join('');
}
};