Added node-modules

node_modules/jade/lib/nodes/block.js

@@ -0,0 +1,122 @@
+
+/*!
+ * Jade - nodes - Block
+ * Copyright(c) 2010 TJ Holowaychuk <tj@vision-media.ca>
+ * MIT Licensed
+ */
+
+/**
+ * Module dependencies.
+ */
+
+var Node = require('./node');
+
+/**
+ * Initialize a new `Block` with an optional `node`.
+ *
+ * @param {Node} node
+ * @api public
+ */
+
+var Block = module.exports = function Block(node){
+  this.nodes = [];
+  if (node) this.push(node);
+};
+
+/**
+ * Inherit from `Node`.
+ */
+
+Block.prototype.__proto__ = Node.prototype;
+
+/**
+ * Block flag.
+ */
+
+Block.prototype.isBlock = true;
+
+/**
+ * Replace the nodes in `other` with the nodes
+ * in `this` block.
+ *
+ * @param {Block} other
+ * @api private
+ */
+
+Block.prototype.replace = function(other){
+  other.nodes = this.nodes;
+};
+
+/**
+ * Pust the given `node`.
+ *
+ * @param {Node} node
+ * @return {Number}
+ * @api public
+ */
+
+Block.prototype.push = function(node){
+  return this.nodes.push(node);
+};
+
+/**
+ * Check if this block is empty.
+ *
+ * @return {Boolean}
+ * @api public
+ */
+
+Block.prototype.isEmpty = function(){
+  return 0 == this.nodes.length;
+};
+
+/**
+ * Unshift the given `node`.
+ *
+ * @param {Node} node
+ * @return {Number}
+ * @api public
+ */
+
+Block.prototype.unshift = function(node){
+  return this.nodes.unshift(node);
+};
+
+/**
+ * Return the "last" block, or the first `yield` node.
+ *
+ * @return {Block}
+ * @api private
+ */
+
+Block.prototype.includeBlock = function(){
+  var ret = this
+    , node;
+
+  for (var i = 0, len = this.nodes.length; i < len; ++i) {
+    node = this.nodes[i];
+    if (node.yield) return node;
+    else if (node.textOnly) continue;
+    else if (node.includeBlock) ret = node.includeBlock();
+    else if (node.block && !node.block.isEmpty()) ret = node.block.includeBlock();
+    if (ret.yield) return ret;
+  }
+
+  return ret;
+};
+
+/**
+ * Return a clone of this block.
+ *
+ * @return {Block}
+ * @api private
+ */
+
+Block.prototype.clone = function(){
+  var clone = new Block;
+  for (var i = 0, len = this.nodes.length; i < len; ++i) {
+    clone.push(this.nodes[i].clone());
+  }
+  return clone;
+};
+