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diff --git a/vmime-master/src/vmime/context.hpp b/vmime-master/src/vmime/context.hpp
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+++ b/vmime-master/src/vmime/context.hpp
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+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
+//
+// This program is free software; you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation; either version 3 of
+// the License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this program; if not, write to the Free Software Foundation, Inc.,
+// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#ifndef VMIME_CONTEXT_HPP_INCLUDED
+#define VMIME_CONTEXT_HPP_INCLUDED
+
+
+#include "vmime/base.hpp"
+#include "vmime/charsetConverterOptions.hpp"
+
+
+namespace vmime {
+
+
+/** Holds configuration parameters used either for parsing or generating messages.
+  */
+class VMIME_EXPORT context : public object {
+
+public:
+
+	virtual ~context();
+
+	/** Returns whether support for Internationalized Email Headers (RFC-6532)
+	  * is enabled.
+	  *
+	  * @return true if RFC-6532 support is enabled, false otherwise
+	  */
+	bool getInternationalizedEmailSupport() const;
+
+	/** Enables or disables support for Internationalized Email Headers (RFC-6532).
+	  * This is disabled by default, and should be used only with servers
+	  * which support it (eg. SMTP servers with SMTPUTF8 extension).
+	  *
+	  * @param support true if RFC-6532 support is enabled, false otherwise
+	  */
+	void setInternationalizedEmailSupport(const bool support);
+
+	/** Returns options used currently for charset conversions by the parser and/or
+	  * the generator. See charsetConverterOptions class for more information.
+	  *
+	  * @return current charset conversion options
+	  */
+	const charsetConverterOptions& getCharsetConversionOptions() const;
+
+	/** Sets the options used currently for charset conversions by the parser and/or
+	  * the generator. See charsetConverterOptions class for more information.
+	  *
+	  * @param opts new charset conversion options
+	  */
+	void setCharsetConversionOptions(const charsetConverterOptions& opts);
+
+	/** Switches between contexts temporarily.
+	  */
+	template <typename CTX_CLASS>
+	class switcher {
+
+	public:
+
+		/** Switches to the specified context.
+		  * Default context will temporarily use the data of the specified
+		  * new context during the lifetime of this object.
+		  *
+		  * @param newCtx new context
+		  */
+		switcher(CTX_CLASS& newCtx)
+			: m_oldCtxData(CTX_CLASS::getDefaultContext()), m_newCtx(&newCtx) {
+
+			CTX_CLASS::getDefaultContext().copyFrom(newCtx);
+		}
+
+		/** Restores back saved context.
+		  */
+		~switcher() {
+
+			CTX_CLASS::getDefaultContext().copyFrom(m_oldCtxData);
+		}
+
+	private:
+
+		CTX_CLASS  m_oldCtxData;
+		CTX_CLASS* m_newCtx;
+	};
+
+protected:
+
+	context();
+	context(const context& ctx);
+
+	virtual context& operator=(const context& ctx);
+	void copyFrom(const context& ctx);
+
+	bool m_internationalizedEmail;
+	charsetConverterOptions m_charsetConvOptions;
+};
+
+
+} // vmime
+
+
+#endif // VMIME_CONTEXT_HPP_INCLUDED