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+//
+// PrintHandler.h
+//
+// Library: JSON
+// Package: JSON
+// Module:  PrintHandler
+//
+// Definition of the PrintHandler class.
+//
+// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// SPDX-License-Identifier:	BSL-1.0
+//
+
+
+#ifndef JSON_PrintHandler_INCLUDED
+#define JSON_PrintHandler_INCLUDED
+
+
+#include "Poco/JSON/JSON.h"
+#include "Poco/JSON/Handler.h"
+#include "Poco/JSONString.h"
+
+
+namespace Poco {
+namespace JSON {
+
+
+class JSON_API PrintHandler: public Handler
+	/// PrintHandler formats and prints the JSON object
+	/// to either user-provided std::ostream or standard output.
+	/// If indent is zero, the output is a condensed JSON string,
+	/// otherwise, the proper indentation is applied to elements.
+{
+public:
+	typedef SharedPtr<PrintHandler> Ptr;
+
+	static const unsigned JSON_PRINT_FLAT = 0;
+
+	PrintHandler(unsigned indent = 0, int options = Poco::JSON_WRAP_STRINGS);
+		/// Creates the PrintHandler.
+
+	PrintHandler(std::ostream& out, unsigned indent = 0, int options = Poco::JSON_WRAP_STRINGS);
+		/// Creates the PrintHandler.
+
+	~PrintHandler();
+		/// Destroys the PrintHandler.
+
+	void reset();
+		/// Resets the handler state.
+
+	void startObject();
+		/// The parser has read a '{'; a new object is started.
+		/// If indent is greater than zero, a newline will be appended.
+
+	void endObject();
+		/// The parser has read a '}'; the object is closed.
+
+	void startArray();
+		/// The parser has read a [; a new array will be started.
+		/// If indent is greater than zero, a newline will be appended.
+
+	void endArray();
+		/// The parser has read a ]; the array is closed.
+
+	void key(const std::string& k);
+		/// A key of an object is read; it will be written to the output,
+		/// followed by a ':'. If indent is greater than zero, the colon
+		/// is padded by a space before and after.
+
+	void null();
+		/// A null value is read; "null" will be written to the output.
+
+	void value(int v);
+		/// An integer value is read.
+
+	void value(unsigned v);
+		/// An unsigned value is read. This will only be triggered if the
+		/// value cannot fit into a signed int.
+		
+#if defined(POCO_HAVE_INT64)
+	void value(Int64 v);
+		/// A 64-bit integer value is read; it will be written to the output.
+
+	void value(UInt64 v);
+		/// An unsigned 64-bit integer value is read; it will be written to the output.
+#endif
+
+	void value(const std::string& value);
+		/// A string value is read; it will be formatted and written to the output.
+
+	void value(double d);
+		/// A double value is read; it will be written to the output.
+
+	void value(bool b);
+		/// A boolean value is read; it will be written to the output.
+
+	void comma();
+		/// A comma is read; it will be written to the output as "true" or "false".
+
+	void setIndent(unsigned indent);
+		/// Sets indentation.
+
+private:
+	const char* endLine() const;
+	unsigned indent();
+	bool printFlat() const;
+	void arrayValue();
+	bool array() const;
+
+	std::ostream& _out;
+	unsigned      _indent;
+	std::string   _tab;
+	int           _array;
+	bool          _objStart;
+	int           _options;
+};
+
+
+//
+// inlines
+//
+inline void PrintHandler::setIndent(unsigned indent)
+{
+	_indent = indent;
+}
+
+
+inline bool PrintHandler::array() const
+{
+	return _array > 0;
+}
+
+
+} } // namespace Poco::JSON
+
+
+#endif // JSON_PrintHandler_INCLUDED