112 lines
1.8 KiB
JavaScript
112 lines
1.8 KiB
JavaScript
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/*!
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* Stylus - Literal
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* Copyright (c) Automattic <developer.wordpress.com>
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* MIT Licensed
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*/
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/**
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* Module dependencies.
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*/
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var Node = require('./node')
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, nodes = require('./');
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/**
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* Initialize a new `Literal` with the given `str`.
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*
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* @param {String} str
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* @api public
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*/
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var Literal = module.exports = function Literal(str){
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Node.call(this);
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this.val = str;
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this.string = str;
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this.prefixed = false;
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};
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/**
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* Inherit from `Node.prototype`.
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*/
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Literal.prototype.__proto__ = Node.prototype;
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/**
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* Return hash.
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*
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* @return {String}
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* @api public
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*/
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Literal.prototype.__defineGetter__('hash', function(){
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return this.val;
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});
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/**
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* Return literal value.
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*
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* @return {String}
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* @api public
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*/
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Literal.prototype.toString = function(){
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return this.val;
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};
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/**
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* Coerce `other` to a literal.
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*
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* @param {Node} other
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* @return {String}
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* @api public
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*/
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Literal.prototype.coerce = function(other){
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switch (other.nodeName) {
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case 'ident':
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case 'string':
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case 'literal':
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return new Literal(other.string);
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default:
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return Node.prototype.coerce.call(this, other);
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}
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};
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/**
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* Operate on `right` with the given `op`.
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*
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* @param {String} op
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* @param {Node} right
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* @return {Node}
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* @api public
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*/
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Literal.prototype.operate = function(op, right){
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var val = right.first;
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switch (op) {
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case '+':
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return new nodes.Literal(this.string + this.coerce(val).string);
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default:
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return Node.prototype.operate.call(this, op, right);
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}
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};
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/**
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* Return a JSON representation of this node.
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*
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* @return {Object}
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* @api public
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*/
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Literal.prototype.toJSON = function(){
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return {
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__type: 'Literal',
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val: this.val,
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string: this.string,
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prefixed: this.prefixed,
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lineno: this.lineno,
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column: this.column,
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filename: this.filename
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};
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};
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