From b1f91277a29ddac92479106543ecfd62ff99d152 Mon Sep 17 00:00:00 2001
From: Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
Date: Thu, 20 Mar 2014 16:20:45 +0100
Subject: added hashiterator, this is going to be one of the implementation
 classes for the upcoming value iterator

---
 src/iteratorimpl.h | 52 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 52 insertions(+)
 create mode 100644 src/iteratorimpl.h

(limited to 'src/iteratorimpl.h')

diff --git a/src/iteratorimpl.h b/src/iteratorimpl.h
new file mode 100644
index 0000000..97c59e4
--- /dev/null
+++ b/src/iteratorimpl.h
@@ -0,0 +1,52 @@
+/**
+ *  IteratorImpl.h
+ *
+ *  Interface that describes what an implementation of an iterator should
+ *  look like. This is an internal class that extension developers do not
+ *  need.
+ *
+ *  @author Emiel Bruijntjes <emiel.bruijntjes@copernica.com>
+ *  @copyright 2014 Copernica BV
+ */
+
+/**
+ *  Set up namespace
+ */
+namespace Php {
+
+/**
+ *  Class definition
+ */
+class IteratorImpl
+{
+    /**
+     *  Increment position (pre-increment)
+     *  @return bool
+     */
+    virtual bool increment() = 0;
+    
+    /**
+     *  Decrement position (pre-decrement)
+     *  @return bool
+     */
+    virtual bool decrement() = 0;
+
+    /**
+     *  Compare with other iterator
+     *  @param  that
+     *  @return bool
+     */
+    virtual bool equals(const IteratorImpl *that) const = 0;
+
+    /**
+     *  Derefecence, this returns a std::pair with the current key and value
+     *  @return std::pair
+     */
+    virtual const std::pair<Value,Value> &current() const = 0;
+};    
+    
+/**
+ *  End namespace
+ */
+}
+
-- 
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