99 lines
2.6 KiB
C++
Executable File
99 lines
2.6 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* GenericBase
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* $Id$
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* $HeadURL$
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* $Author$
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*/
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#include "generic_base.h"
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#include <NGLLogger/NGLLoggerBootstrap.h>
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#include <QStringList>
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#include <QMetaMethod>
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namespace DDS
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{
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namespace Helper
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{
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static inline bool endsWith(std::string const &str, std::string const &end)
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{
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if (end.size() > str.size())
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return false;
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return std::equal(end.rbegin(), end.rend(), str.rbegin());
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}
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static inline std::string getSimpleTopicName(const std::string &fqName)
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{
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const size_t idx = fqName.rfind("::");
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if (idx == std::string::npos)
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return fqName;
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return fqName.substr(idx + 2);
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}
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std::string getFunctionTopicName(const std::string &fqName)
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{
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const std::string ftName = getSimpleTopicName(fqName);
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static const std::string request("Request");
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static const std::string reply("Reply");
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if (endsWith(ftName, request))
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return ftName.substr(0, ftName.size() - request.size());
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if (endsWith(ftName, reply))
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return ftName.substr(0, ftName.size() - reply.size());
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return ftName;
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}
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std::string getShortTopicName(const std::string &fqName)
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{
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// add short project name instead of long project namespace (with ::)
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// i. e. Lts::SpatialData => LTS_SpatialData
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return std::string("LTS_") + getSimpleTopicName(fqName);
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}
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QMetaMethod getMethod(NGL::INGLLogger &logger,
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QObject *objectToInform,
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const char *slotToExecute,
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const char *signalSignature,
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bool bWarnOnEmptySlot)
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{
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QMetaMethod ret;
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if(!slotToExecute || !objectToInform)
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{
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if(bWarnOnEmptySlot)
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WARNING_LOG(logger) << "invalid arguments to getMethod()";
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return ret;
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}
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int slotCode = slotToExecute[0] - '0';
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// check if it's really a signal or slot
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if(slotCode != QSLOT_CODE && slotCode != QSIGNAL_CODE)
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{
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ERROR_LOG(logger) << "Use the SLOT or SIGNAL macro for slot name!";
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return ret;
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}
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slotToExecute++; // skip code
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const QMetaObject *mo = objectToInform->metaObject();
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const QByteArray slot = QMetaObject::normalizedSignature(slotToExecute);
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const int indexOfSlot = mo->indexOfSlot(slot.data());
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if(indexOfSlot < 0)
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{
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WARNING_LOG(logger) << "No such slot " << mo->className() << "::" << slot;
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return ret;
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}
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const QByteArray signal = QMetaObject::normalizedSignature(signalSignature);
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if(!QMetaObject::checkConnectArgs(signal.data(), slot.data()))
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{
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WARNING_LOG(logger) << "Incompatible slot arguments " << mo->className() << "::"
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<< slot << ", must be: " << signal;
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return ret;
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}
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return mo->method(indexOfSlot);
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}
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} // namespace Helper
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} // namespace DDS
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