147 lines
2.7 KiB
JavaScript
147 lines
2.7 KiB
JavaScript
/*!
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* Stylus - String
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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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, sprintf = require('../functions').s
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, utils = require('../utils')
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, nodes = require('./');
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/**
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* Initialize a new `String` with the given `val`.
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*
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* @param {String} val
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* @param {String} quote
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* @api public
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*/
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var String = module.exports = function String(val, quote){
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Node.call(this);
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this.val = val;
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this.string = val;
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this.prefixed = false;
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if (typeof quote !== 'string') {
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this.quote = "'";
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} else {
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this.quote = quote;
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}
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};
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/**
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* Inherit from `Node.prototype`.
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*/
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String.prototype.__proto__ = Node.prototype;
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/**
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* Return quoted string.
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*
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* @return {String}
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* @api public
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*/
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String.prototype.toString = function(){
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return this.quote + this.val + this.quote;
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};
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/**
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* Return a clone of this node.
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*
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* @return {Node}
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* @api public
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*/
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String.prototype.clone = function(){
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var clone = new String(this.val, this.quote);
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clone.lineno = this.lineno;
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clone.column = this.column;
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clone.filename = this.filename;
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return clone;
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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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String.prototype.toJSON = function(){
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return {
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__type: 'String',
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val: this.val,
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quote: this.quote,
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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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/**
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* Return Boolean based on the length of this string.
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*
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* @return {Boolean}
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* @api public
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*/
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String.prototype.toBoolean = function(){
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return nodes.Boolean(this.val.length);
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};
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/**
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* Coerce `other` to a string.
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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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String.prototype.coerce = function(other){
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switch (other.nodeName) {
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case 'string':
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return other;
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case 'expression':
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return new String(other.nodes.map(function(node){
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return this.coerce(node).val;
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}, this).join(' '));
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default:
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return new String(other.toString());
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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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String.prototype.operate = function(op, right){
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switch (op) {
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case '%':
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var expr = new nodes.Expression;
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expr.push(this);
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// constructargs
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var args = 'expression' == right.nodeName
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? utils.unwrap(right).nodes
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: [right];
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// apply
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return sprintf.apply(null, [expr].concat(args));
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case '+':
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var expr = new nodes.Expression;
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expr.push(new String(this.val + this.coerce(right).val));
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return expr;
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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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