Add methods that turns a numeric index into a string for getting the element (an array is actually a document)

MongoDB/include/Poco/MongoDB/Array.h

@@ -38,6 +38,8 @@
 #ifndef _MongoDB_Array_included
 #define _MongoDB_Array_included
 
+#include "Poco/NumberFormatter.h"
+
 #include "Poco/MongoDB/MongoDB.h"
 #include "Poco/MongoDB/Document.h"
 
@@ -59,6 +61,40 @@ public:
 		/// Destructor
 
 
+	template<typename T>
+	T get(int pos) const
+		/// Returns the element on the given index and tries to convert
+		/// it to the template type. When the element is not found, a
+		/// NotFoundException will be thrown. When the element can't be
+		/// converted a BadCastException will be thrown.
+	{
+		return Document::get<T>(Poco::NumberFormatter::format(pos));
+	}
+
+
+	template<typename T>
+	T get(int pos, const T& def) const
+		/// Returns the element on the given index and tries to convert
+		/// it to the template type. When the element is not found, or
+		/// has the wrong type, the def argument will be returned.
+	{
+		return Document::get<T>(Poco::NumberFormatter::format(pos), def);
+	}
+
+
+	Element::Ptr get(int pos) const;
+		/// Returns the element on the given index.
+		/// An empty element will be returned when the element is not found.
+
+
+	template<typename T>
+	bool isType(int pos)
+		/// Returns true when the type of the element equals the TypeId of ElementTrait
+	{
+		return Document::isType<T>(Poco::NumberFormatter::format(pos));
+	}
+
+
 	std::string toString(int indent = 0) const;
 };
 

MongoDB/src/Array.cpp

@@ -51,6 +51,13 @@ Array::~Array()
 }
 
 
+Element::Ptr Array::get(int pos) const
+{
+	std::string name = Poco::NumberFormatter::format(pos);
+	return Document::get(name);
+}
+
+
 std::string Array::toString(int indent) const
 {
 	std::ostringstream oss;