jade/lib/nodes/tag.js

/*!
 * Jade - nodes - Tag
 * Copyright(c) 2010 TJ Holowaychuk <tj@vision-media.ca>
 * MIT Licensed
 */

/**
 * Module dependencies.
 */

var Node = require('./node'),
    Block = require('./block');

/**
 * Initialize a `Tag` node with the given tag `name` and optional `block`.
 *
 * @param {String} name
 * @param {Block} block
 * @api public
 */

var Tag = module.exports = function Tag(name, block) {
  this.name = name;
  this.attrs = [];
  this.block = block || new Block;
};

/**
 * Inherit from `Node`.
 */

Tag.prototype.__proto__ = Node.prototype;

/**
 * Set attribute `name` to `val`, keep in mind these become
 * part of a raw js object literal, so to quote a value you must
 * '"quote me"', otherwise or example 'user.name' is literal JavaScript.
 *
 * @param {String} name
 * @param {String} val
 * @return {Tag} for chaining
 * @api public
 */

Tag.prototype.setAttribute = function(name, val){
  this.attrs.push({ name: name, val: val });
  return this;
};

/**
 * Remove attribute `name` when present.
 *
 * @param {String} name
 * @api public
 */

Tag.prototype.removeAttribute = function(name){
  for (var i = 0, len = this.attrs.length; i < len; ++i) {
    if (this.attrs[i] && this.attrs[i].name == name) {
      delete this.attrs[i];
    }
  }
};

/**
 * Get attribute value by `name`.
 *
 * @param {String} name
 * @return {String}
 * @api public
 */

Tag.prototype.getAttribute = function(name){
  for (var i = 0, len = this.attrs.length; i < len; ++i) {
    if (this.attrs[i] && this.attrs[i].name == name) {
      return this.attrs[i].val;
    }
  }
};