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https://github.com/freebsd/freebsd-src
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217 lines
7.3 KiB
C++
217 lines
7.3 KiB
C++
/*
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* \file ocsd_lib_dcd_register.cpp
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* \brief OpenCSD : Library decoder register object
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*
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* \copyright Copyright (c) 2016, ARM Limited. All Rights Reserved.
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*/
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/*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors
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* may be used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 'AS IS' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
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* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "common/ocsd_lib_dcd_register.h"
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// include built-in decode manager headers
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#include "opencsd/etmv4/trc_dcd_mngr_etmv4i.h"
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#include "opencsd/etmv3/trc_dcd_mngr_etmv3.h"
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#include "opencsd/ptm/trc_dcd_mngr_ptm.h"
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#include "opencsd/stm/trc_dcd_mngr_stm.h"
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#include "opencsd/ete/trc_dcd_mngr_ete.h"
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// create array of built-in decoders to register with library
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static built_in_decoder_info_t sBuiltInArray[] = {
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CREATE_BUILTIN_ENTRY(DecoderMngrEtmV4I,OCSD_BUILTIN_DCD_ETMV4I),
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CREATE_BUILTIN_ENTRY(DecoderMngrEtmV3, OCSD_BUILTIN_DCD_ETMV3),
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CREATE_BUILTIN_ENTRY(DecoderMngrPtm, OCSD_BUILTIN_DCD_PTM),
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CREATE_BUILTIN_ENTRY(DecoderMngrStm, OCSD_BUILTIN_DCD_STM),
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CREATE_BUILTIN_ENTRY(DecoderMngrETE, OCSD_BUILTIN_DCD_ETE)
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//{ 0, 0, 0}
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};
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#define NUM_BUILTINS sizeof(sBuiltInArray) / sizeof(built_in_decoder_info_t)
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OcsdLibDcdRegister *OcsdLibDcdRegister::m_p_libMngr = 0;
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bool OcsdLibDcdRegister::m_b_registeredBuiltins = false;
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ocsd_trace_protocol_t OcsdLibDcdRegister::m_nextCustomProtocolID = OCSD_PROTOCOL_CUSTOM_0;
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OcsdLibDcdRegister *OcsdLibDcdRegister::getDecoderRegister()
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{
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if(m_p_libMngr == 0)
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m_p_libMngr = new (std::nothrow) OcsdLibDcdRegister();
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return m_p_libMngr;
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}
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const ocsd_trace_protocol_t OcsdLibDcdRegister::getNextCustomProtocolID()
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{
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ocsd_trace_protocol_t ret = m_nextCustomProtocolID;
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if(m_nextCustomProtocolID < OCSD_PROTOCOL_END)
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m_nextCustomProtocolID = (ocsd_trace_protocol_t)(((int)m_nextCustomProtocolID)+1);
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return ret;
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}
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void OcsdLibDcdRegister::releaseLastCustomProtocolID()
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{
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if(m_nextCustomProtocolID > OCSD_PROTOCOL_CUSTOM_0)
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m_nextCustomProtocolID = (ocsd_trace_protocol_t)(((int)m_nextCustomProtocolID)-1);
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}
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OcsdLibDcdRegister::OcsdLibDcdRegister()
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{
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m_iter = m_decoder_mngrs.begin();
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m_pLastTypedDecoderMngr = 0;
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}
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OcsdLibDcdRegister::~OcsdLibDcdRegister()
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{
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m_decoder_mngrs.clear();
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m_typed_decoder_mngrs.clear();
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m_pLastTypedDecoderMngr = 0;
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}
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const ocsd_err_t OcsdLibDcdRegister::registerDecoderTypeByName(const std::string &name, IDecoderMngr *p_decoder_fact)
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{
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if(isRegisteredDecoder(name))
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return OCSD_ERR_DCDREG_NAME_REPEAT;
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m_decoder_mngrs.emplace(std::pair<const std::string, IDecoderMngr *>(name,p_decoder_fact));
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m_typed_decoder_mngrs.emplace(std::pair<const ocsd_trace_protocol_t, IDecoderMngr *>(p_decoder_fact->getProtocolType(),p_decoder_fact));
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return OCSD_OK;
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}
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void OcsdLibDcdRegister::registerBuiltInDecoders()
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{
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bool memFail = false;
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for(unsigned i = 0; i < NUM_BUILTINS; i++)
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{
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if(sBuiltInArray[i].PFn)
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{
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sBuiltInArray[i].pMngr = sBuiltInArray[i].PFn( sBuiltInArray[i].name);
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if(!sBuiltInArray[i].pMngr)
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memFail=true;
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}
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}
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m_b_registeredBuiltins = !memFail;
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}
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void OcsdLibDcdRegister::deregisterAllDecoders()
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{
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if(m_b_registeredBuiltins)
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{
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for(unsigned i = 0; i < NUM_BUILTINS; i++)
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delete sBuiltInArray[i].pMngr;
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m_b_registeredBuiltins = false;
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}
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if(m_p_libMngr)
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{
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m_p_libMngr->deRegisterCustomDecoders();
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delete m_p_libMngr;
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m_p_libMngr = 0;
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}
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}
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void OcsdLibDcdRegister::deRegisterCustomDecoders()
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{
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std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.begin();
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while(iter != m_typed_decoder_mngrs.end())
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{
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IDecoderMngr *pMngr = iter->second;
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if(pMngr->getProtocolType() >= OCSD_PROTOCOL_CUSTOM_0)
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delete pMngr;
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iter++;
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}
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}
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const ocsd_err_t OcsdLibDcdRegister::getDecoderMngrByName(const std::string &name, IDecoderMngr **p_decoder_mngr)
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{
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if(!m_b_registeredBuiltins)
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{
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registerBuiltInDecoders();
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if(!m_b_registeredBuiltins)
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return OCSD_ERR_MEM;
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}
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std::map<const std::string, IDecoderMngr *>::const_iterator iter = m_decoder_mngrs.find(name);
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if(iter == m_decoder_mngrs.end())
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return OCSD_ERR_DCDREG_NAME_UNKNOWN;
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*p_decoder_mngr = iter->second;
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return OCSD_OK;
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}
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const ocsd_err_t OcsdLibDcdRegister::getDecoderMngrByType(const ocsd_trace_protocol_t decoderType, IDecoderMngr **p_decoder_mngr)
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{
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if(!m_b_registeredBuiltins)
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{
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registerBuiltInDecoders();
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if(!m_b_registeredBuiltins)
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return OCSD_ERR_MEM;
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}
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if (m_pLastTypedDecoderMngr && (m_pLastTypedDecoderMngr->getProtocolType() == decoderType))
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*p_decoder_mngr = m_pLastTypedDecoderMngr;
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else
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{
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std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.find(decoderType);
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if (iter == m_typed_decoder_mngrs.end())
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return OCSD_ERR_DCDREG_TYPE_UNKNOWN;
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*p_decoder_mngr = m_pLastTypedDecoderMngr = iter->second;
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}
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return OCSD_OK;
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}
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const bool OcsdLibDcdRegister::isRegisteredDecoder(const std::string &name)
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{
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std::map<const std::string, IDecoderMngr *>::const_iterator iter = m_decoder_mngrs.find(name);
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if(iter != m_decoder_mngrs.end())
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return true;
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return false;
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}
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const bool OcsdLibDcdRegister::isRegisteredDecoderType(const ocsd_trace_protocol_t decoderType)
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{
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std::map<const ocsd_trace_protocol_t, IDecoderMngr *>::const_iterator iter = m_typed_decoder_mngrs.find(decoderType);
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if(iter != m_typed_decoder_mngrs.end())
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return true;
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return false;
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}
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const bool OcsdLibDcdRegister::getFirstNamedDecoder(std::string &name)
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{
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m_iter = m_decoder_mngrs.begin();
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return getNextNamedDecoder(name);
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}
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const bool OcsdLibDcdRegister::getNextNamedDecoder(std::string &name)
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{
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if(m_iter == m_decoder_mngrs.end())
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return false;
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name = m_iter->first;
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m_iter++;
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return true;
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}
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/* End of File ocsd_lib_dcd_register.cpp */
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