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Include/ZUtil/ZJSONWriter.hpp

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+/*
+	ZJSONWriter.hpp
+	Author: Chris Ertel <crertel@762studios.com>
+	Created: 3/26/2013
+
+	Purpose: 
+
+	JSON writing support, to convert ZKVTrees into JSON strings.
+
+	License:
+
+	TODO
+
+*/
+#pragma once
+#ifndef _ZJSONWRITER_H
+#define _ZJSONWRITER_H
+
+#include <ZUtil/ZSmartPointer.hpp>
+#include <ZUtil/ZKVTree.hpp>
+
+class ZJSONWriter
+{
+private:
+	DISABLE_COPY_AND_ASSIGN(ZJSONWriter);
+
+	//Error message (if an error has happened)
+	ZString ErrorMessage;
+
+	//The registry we will be getting values from
+	ZPtr<ZKVTree> Registry;
+
+	const ZString NoError;
+
+public:
+	/*
+	Parameterized Constructor.
+
+	@param _registry - the registry to generate XML data from
+	*/
+	ZJSONWriter(ZPtr<ZKVTree> _registry);
+
+	/*
+	public ZJSONWriter::GetErrorString
+
+	Gets the error message generated while writing the data if writing failed.  If writing
+	the data was successful, this returns an empty string.
+	
+	@return (const ZString&) - a string describing an error that occurred
+	*/
+	const ZString& GetErrorString();
+
+	/*
+	public ZJSONWriter::Write
+	
+	Writes the data from the registry into the provided output string in XML format.
+	
+	@param _output - the string to write the data into (the data is appended)
+	@return (bool) - true if successful, false otherwise
+	*/
+	bool Write(ZString& _output);
+};
+
+#endif