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-rw-r--r--node_modules/stylus/lib/nodes/ident.js156
1 files changed, 156 insertions, 0 deletions
diff --git a/node_modules/stylus/lib/nodes/ident.js b/node_modules/stylus/lib/nodes/ident.js
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+
+/*!
+ * Stylus - Ident
+ * Copyright (c) Automattic <developer.wordpress.com>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var Node = require('./node')
+ , nodes = require('./');
+
+/**
+ * Initialize a new `Ident` by `name` with the given `val` node.
+ *
+ * @param {String} name
+ * @param {Node} val
+ * @api public
+ */
+
+var Ident = module.exports = function Ident(name, val, mixin){
+ Node.call(this);
+ this.name = name;
+ this.string = name;
+ this.val = val || nodes.null;
+ this.mixin = !!mixin;
+};
+
+/**
+ * Check if the variable has a value.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+Ident.prototype.__defineGetter__('isEmpty', function(){
+ return undefined == this.val;
+});
+
+/**
+ * Return hash.
+ *
+ * @return {String}
+ * @api public
+ */
+
+Ident.prototype.__defineGetter__('hash', function(){
+ return this.name;
+});
+
+/**
+ * Inherit from `Node.prototype`.
+ */
+
+Ident.prototype.__proto__ = Node.prototype;
+
+/**
+ * Return a clone of this node.
+ *
+ * @return {Node}
+ * @api public
+ */
+
+Ident.prototype.clone = function(parent){
+ var clone = new Ident(this.name);
+ clone.val = this.val.clone(parent, clone);
+ clone.mixin = this.mixin;
+ clone.lineno = this.lineno;
+ clone.column = this.column;
+ clone.filename = this.filename;
+ clone.property = this.property;
+ clone.rest = this.rest;
+ return clone;
+};
+
+/**
+ * Return a JSON representation of this node.
+ *
+ * @return {Object}
+ * @api public
+ */
+
+Ident.prototype.toJSON = function(){
+ return {
+ __type: 'Ident',
+ name: this.name,
+ val: this.val,
+ mixin: this.mixin,
+ property: this.property,
+ rest: this.rest,
+ lineno: this.lineno,
+ column: this.column,
+ filename: this.filename
+ };
+};
+
+/**
+ * Return <name>.
+ *
+ * @return {String}
+ * @api public
+ */
+
+Ident.prototype.toString = function(){
+ return this.name;
+};
+
+/**
+ * Coerce `other` to an ident.
+ *
+ * @param {Node} other
+ * @return {String}
+ * @api public
+ */
+
+Ident.prototype.coerce = function(other){
+ switch (other.nodeName) {
+ case 'ident':
+ case 'string':
+ case 'literal':
+ return new Ident(other.string);
+ case 'unit':
+ return new Ident(other.toString());
+ default:
+ return Node.prototype.coerce.call(this, other);
+ }
+};
+
+/**
+ * Operate on `right` with the given `op`.
+ *
+ * @param {String} op
+ * @param {Node} right
+ * @return {Node}
+ * @api public
+ */
+
+Ident.prototype.operate = function(op, right){
+ var val = right.first;
+ switch (op) {
+ case '-':
+ if ('unit' == val.nodeName) {
+ var expr = new nodes.Expression;
+ val = val.clone();
+ val.val = -val.val;
+ expr.push(this);
+ expr.push(val);
+ return expr;
+ }
+ case '+':
+ return new nodes.Ident(this.string + this.coerce(val).string);
+ }
+ return Node.prototype.operate.call(this, op, right);
+};