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+/*
+ * \file ocsd_lib_dcd_register.h
+ * \brief OpenCSD : Library decoder registration and management.
+ *
+ * \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved.
+ */
+
+#ifndef ARM_OCSD_LIB_DCD_REGISTER_H_INCLUDED
+#define ARM_OCSD_LIB_DCD_REGISTER_H_INCLUDED
+
+
+/*
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of the copyright holder nor the names of its contributors
+ * may be used to endorse or promote products derived from this software without
+ * specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <map>
+
+#include "opencsd/ocsd_if_types.h"
+#include "common/ocsd_dcd_mngr_i.h"
+
+/*!
+ * @class OcsdLibDcdRegister : Registers decoders with the library
+ *
+ * library decoder register class allows decoders to be registered by name, and the register allows clients to access
+ * the list of names of registerd decoders.
+ *
+ * The decoders in the library are accessed through the decoder manager interface. This provides a set of functions to allow
+ * the creation, manipulation and destruction of registered decoders
+ *
+ */
+class OcsdLibDcdRegister
+{
+public:
+ static OcsdLibDcdRegister *getDecoderRegister();
+
+ static void deregisterAllDecoders(); //!< library cleanup - deregisters decoder managers and destroys the register object.
+ static const ocsd_trace_protocol_t getNextCustomProtocolID();
+ static void releaseLastCustomProtocolID();
+
+ const ocsd_err_t registerDecoderTypeByName(const std::string &name, IDecoderMngr *p_decoder_fact); //!< register a decoder manager interface
+ const ocsd_err_t getDecoderMngrByName(const std::string &name, IDecoderMngr **p_decoder_mngr);
+ const ocsd_err_t getDecoderMngrByType(const ocsd_trace_protocol_t decoderType, IDecoderMngr **p_decoder_mngr);
+
+ const bool isRegisteredDecoder(const std::string &name);
+ const bool getFirstNamedDecoder(std::string &name);
+ const bool getNextNamedDecoder(std::string &name);
+
+ const bool isRegisteredDecoderType(const ocsd_trace_protocol_t decoderType);
+
+private:
+ void registerBuiltInDecoders(); //!< register the list of build in decoder managers on first access of getDecoderMngrByName.
+ void deRegisterCustomDecoders(); //!< delete all custom decoders registered with the library.
+
+ std::map<const std::string, IDecoderMngr *> m_decoder_mngrs; //!< map linking names to decoder manager interfaces.
+ std::map<const std::string, IDecoderMngr *>::const_iterator m_iter; //!< iterator for name search.
+
+ std::map<const ocsd_trace_protocol_t, IDecoderMngr *> m_typed_decoder_mngrs; //!< map linking decoder managers to protocol type ID
+
+ // cache last found by type to speed up repeated quries on same object.
+ IDecoderMngr *m_pLastTypedDecoderMngr; //!< last manager we found by type
+
+
+
+ // singleton pattern - need just one of these in the library - ensure all default constructors are private.
+ OcsdLibDcdRegister();
+ OcsdLibDcdRegister(OcsdLibDcdRegister const &) {};
+ OcsdLibDcdRegister& operator=(OcsdLibDcdRegister const &){ return *this; };
+ ~OcsdLibDcdRegister();
+
+ static OcsdLibDcdRegister *m_p_libMngr;
+ static bool m_b_registeredBuiltins;
+ static ocsd_trace_protocol_t m_nextCustomProtocolID;
+};
+
+/*!
+ * Typedef of function signature to create a decoder manager.
+ *
+ * @param *name : Registered name of the decoder.
+ */
+typedef IDecoderMngr *(*CreateMngr)(const std::string &name);
+
+/*!
+ * Template function to create a specific decoder manager class object.
+ *
+ * @param &name : Registered name of the decoder.
+ *
+ * @return IDecoderMngr * : pointer to the decoder manager base class interface.
+ */
+template <typename T> IDecoderMngr *createManagerInst(const std::string &name)
+{
+ return new (std::nothrow)T(name);
+}
+
+/*! Structure to contain the information needed to create and register a builtin decoder
+ * manager with the library
+ */
+typedef struct built_in_decoder_info {
+ IDecoderMngr *pMngr; //!< pointer to created decoder manager
+ CreateMngr PFn; //!< function to create the decoder manager.
+ const char *name; //!< registered name of the decoder.
+} built_in_decoder_info_t;
+
+//! Define to use to fill in an array of built_in_decoder_info_t structures.
+#define CREATE_BUILTIN_ENTRY(C,N) { 0, createManagerInst<C>, N }
+
+#endif // ARM_OCSD_LIB_DCD_REGISTER_H_INCLUDED
+
+/* End of File ocsd_lib_dcd_register.h */