mirror of https://github.com/jkjoy/sunpeiwen.git
95 lines
1.7 KiB
JavaScript
95 lines
1.7 KiB
JavaScript
|
|
||
|
|
/*!
|
||
|
|
* Stylus - Selector
|
||
|
|
* Copyright (c) Automattic <developer.wordpress.com>
|
||
|
|
* MIT Licensed
|
||
|
|
*/
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Module dependencies.
|
||
|
|
*/
|
||
|
|
|
||
|
|
var Block = require('./block')
|
||
|
|
, Node = require('./node');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Initialize a new `Selector` with the given `segs`.
|
||
|
|
*
|
||
|
|
* @param {Array} segs
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
var Selector = module.exports = function Selector(segs){
|
||
|
|
Node.call(this);
|
||
|
|
this.inherits = true;
|
||
|
|
this.segments = segs;
|
||
|
|
this.optional = false;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Inherit from `Node.prototype`.
|
||
|
|
*/
|
||
|
|
|
||
|
|
Selector.prototype.__proto__ = Node.prototype;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the selector string.
|
||
|
|
*
|
||
|
|
* @return {String}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Selector.prototype.toString = function(){
|
||
|
|
return this.segments.join('') + (this.optional ? ' !optional' : '');
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Check if this is placeholder selector.
|
||
|
|
*
|
||
|
|
* @return {Boolean}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Selector.prototype.__defineGetter__('isPlaceholder', function(){
|
||
|
|
return this.val && ~this.val.substr(0, 2).indexOf('$');
|
||
|
|
});
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return a clone of this node.
|
||
|
|
*
|
||
|
|
* @return {Node}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Selector.prototype.clone = function(parent){
|
||
|
|
var clone = new Selector;
|
||
|
|
clone.lineno = this.lineno;
|
||
|
|
clone.column = this.column;
|
||
|
|
clone.filename = this.filename;
|
||
|
|
clone.inherits = this.inherits;
|
||
|
|
clone.val = this.val;
|
||
|
|
clone.segments = this.segments.map(function(node){ return node.clone(parent, clone); });
|
||
|
|
clone.optional = this.optional;
|
||
|
|
return clone;
|
||
|
|
};
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return a JSON representation of this node.
|
||
|
|
*
|
||
|
|
* @return {Object}
|
||
|
|
* @api public
|
||
|
|
*/
|
||
|
|
|
||
|
|
Selector.prototype.toJSON = function(){
|
||
|
|
return {
|
||
|
|
__type: 'Selector',
|
||
|
|
inherits: this.inherits,
|
||
|
|
segments: this.segments,
|
||
|
|
optional: this.optional,
|
||
|
|
val: this.val,
|
||
|
|
lineno: this.lineno,
|
||
|
|
column: this.column,
|
||
|
|
filename: this.filename
|
||
|
|
};
|
||
|
|
};
|