From 5ea3a8d897496cbbafc5202b2b874396cb37914e Mon Sep 17 00:00:00 2001
From: Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
Date: Sun, 18 Jan 2015 23:34:34 +0100
Subject: implemented namespace::constants() method

---
 zend/namespace.cpp | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'zend')

diff --git a/zend/namespace.cpp b/zend/namespace.cpp
index 893f2f0..575becf 100644
--- a/zend/namespace.cpp
+++ b/zend/namespace.cpp
@@ -139,6 +139,31 @@ void Namespace::classes(const std::function<void(const std::string &ns, ClassBas
     });
 }
 
+/**
+ *  Apply a callback to each registered constant
+ * 
+ *  The callback will be called with the name of the namespace, and
+ *  a reference to the registered constant
+ * 
+ *  @param  callback
+ */
+void Namespace::constants(const std::function<void(const std::string &ns, Constant &constant)> &callback)
+{
+    // loop through the constants, and apply the callback
+    for (auto &c : _constants) callback(_name, *c);
+    
+    // loop through the other namespaces
+    for (auto &ns : _namespaces) ns->constants([this, callback](const std::string &ns, Constant &constant) {
+        
+        // if this is the root namespace, we don't have to change the prefix
+        if (_name.size() == 0) return callback(ns, constant);
+        
+        // construct a new prefix
+        // @todo this could be slightly inefficient
+        return callback(_name + "\\" + ns, constant);
+    });
+}
+
 /**
  *  End namespace
  */
-- 
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