[89] | 1 | // %pacpus:license{
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| 2 | // This file is part of the PACPUS framework distributed under the
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| 3 | // CECILL-C License, Version 1.0.
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| 4 | // %pacpus:license}
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| 5 | /// @version $Id: ComponentBase.cpp 76 2013-01-10 17:05:10Z kurdejma $
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| 6 |
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| 7 | #include <Pacpus/kernel/ComponentBase.h>
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[182] | 8 |
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[89] | 9 | #include <Pacpus/kernel/ComponentManager.h>
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| 10 | #include <Pacpus/kernel/Log.h>
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[201] | 11 | #include <Pacpus/kernel/PacpusException.h>
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[89] | 12 |
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[281] | 13 | #include <boost/bind/bind.hpp>
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| 14 | #include <boost/exception/detail/exception_ptr.hpp>
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| 15 | #include <boost/exception/diagnostic_information.hpp>
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| 16 | #include <boost/exception/exception.hpp>
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[176] | 17 | #include <boost/program_options/parsers.hpp>
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| 18 | #include <boost/program_options/variables_map.hpp>
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[279] | 19 | #include <boost/thread/thread.hpp>
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[202] | 20 | #include <ostream>
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[176] | 21 | #include <string>
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| 22 | #include <vector>
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| 23 |
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| 24 | namespace po = boost::program_options;
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[89] | 25 | using namespace pacpus;
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[176] | 26 | using namespace std;
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[89] | 27 |
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[182] | 28 | vector<string> convertAttributesToArgumentVector(const QDomNamedNodeMap & attributes);
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[176] | 29 |
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[272] | 30 | namespace std
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| 31 | {
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[202] | 32 |
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| 33 | template <typename _Elem, typename _Traits>
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| 34 | std::basic_ostream<_Elem, _Traits> & operator<<(std::basic_ostream<_Elem, _Traits> & os, const boost::program_options::variables_map & vm)
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| 35 | {
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[231] | 36 | for (po::variables_map::const_iterator i = vm.begin(); i != vm.end(); ++i) {
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[202] | 37 | const po::variable_value & v = i->second;
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| 38 | if (v.empty()) {
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| 39 | continue;
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| 40 | }
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| 41 | const type_info & type = v.value().type();
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| 42 | if (type == typeid(string)) {
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| 43 | const string & val = v.as<string>();
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| 44 | os << i->first << "=" << val;
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| 45 | } else if (type == typeid(long)) {
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| 46 | int val = v.as<long>();
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| 47 | os << i->first << "=" << val;
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| 48 | } else if (type == typeid(int)) {
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| 49 | int val = v.as<int>();
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| 50 | os << i->first << "=" << val;
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| 51 | } else if (type == typeid(unsigned long)) {
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| 52 | int val = v.as<unsigned long>();
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| 53 | os << i->first << "=" << val;
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| 54 | } else if (type == typeid(unsigned int)) {
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| 55 | int val = v.as<unsigned int>();
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| 56 | os << i->first << "=" << val;
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| 57 | } else if (type == typeid(double)) {
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| 58 | int val = v.as<double>();
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| 59 | os << i->first << "=" << val;
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| 60 | } else if (type == typeid(float)) {
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| 61 | int val = v.as<float>();
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| 62 | os << i->first << "=" << val;
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| 63 | } else if (type == typeid(bool)) {
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| 64 | int val = v.as<bool>();
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| 65 | os << i->first << "=" << val;
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[263] | 66 | } else {
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| 67 | // unknown value type
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| 68 | os << i->first;
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| 69 | }
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[204] | 70 | os << "\n";
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[202] | 71 | }
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| 72 | return os;
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| 73 | }
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| 74 |
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| 75 | } // namespace std
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| 76 |
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[89] | 77 | DECLARE_STATIC_LOGGER("pacpus.core.ComponentBase");
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| 78 |
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[182] | 79 | ComponentBase::ComponentBase(const QString & componentName)
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| 80 | : m_componentName(componentName)
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| 81 | , m_isActive(false)
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| 82 | , mIsRecording(true)
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| 83 | , m_manager(NULL)
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| 84 | , m_ui(NULL)
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| 85 | , m_componentState(NOT_MONITORED)
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| 86 | , mOptionsDescription("Component parameters")
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[89] | 87 | {
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| 88 | LOG_TRACE("constructor");
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| 89 | // Get a pointer on the instance of ComponentManager.
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[152] | 90 | m_manager = ComponentManager::getInstance();
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[176] | 91 | LOG_INFO("component " << getName() << " was created");
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| 92 |
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[179] | 93 | addParameters()
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| 94 | ("name", po::value<string>(&mName)->required(), "component name")
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| 95 | ("type", po::value<string>(&mTypeName)->required(), "component type")
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| 96 | ("ui", po::value<bool>(&mHasGui)->default_value(false), "whether to show GUI")
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| 97 | ("verbose", po::value<bool>(&mVerbose)->default_value(false), "set output verbose")
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| 98 | ("verbosity-level", po::value<int>(&mVerbosityLevel)->default_value(0), "set verbosity level")
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| 99 | ("recording", po::value<bool>(&mIsRecording)->default_value(false), "whether to record data")
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[176] | 100 | ;
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[89] | 101 | }
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| 102 |
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| 103 | ComponentBase::~ComponentBase()
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| 104 | {
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| 105 | LOG_TRACE("destructor");
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| 106 | }
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| 107 |
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[152] | 108 | bool ComponentBase::isActive() const
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| 109 | {
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| 110 | return m_isActive;
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| 111 | }
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| 112 |
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| 113 | void ComponentBase::setActive(bool isActive)
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| 114 | {
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| 115 | m_isActive = isActive;
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| 116 | }
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| 117 |
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| 118 | bool ComponentBase::isRecording() const
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| 119 | {
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[177] | 120 | return mIsRecording;
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[152] | 121 | }
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| 122 |
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| 123 | void ComponentBase::setRecording(bool isRecording)
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| 124 | {
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[177] | 125 | mIsRecording = isRecording;
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[152] | 126 | }
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| 127 |
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| 128 | const XmlComponentConfig ComponentBase::xmlParameters() const
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| 129 | {
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| 130 | return param;
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| 131 | }
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| 132 |
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[281] | 133 | void ComponentBase::startComponentWithException(boost::exception_ptr& error)
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| 134 | {
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| 135 | try {
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| 136 | startActivity();
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| 137 | error = boost::exception_ptr();
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| 138 | } catch (...) {
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| 139 | error = boost::current_exception();
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| 140 | }
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| 141 | }
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| 142 |
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| 143 | void ComponentBase::startComponentInThread()
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| 144 | {
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| 145 | boost::exception_ptr error;
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| 146 | boost::thread t(
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| 147 | boost::bind(
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| 148 | &ComponentBase::startComponentWithException,
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| 149 | this,
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| 150 | boost::ref(error)
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| 151 | )
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| 152 | );
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| 153 | t.join();
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| 154 | if (error) {
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| 155 | try {
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| 156 | boost::rethrow_exception(error);
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| 157 | } catch (boost::exception& e) {
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| 158 | LOG_FATAL("[" << getName() << "]" << "\tboost::exception thrown: " << boost::diagnostic_information(e));
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| 159 | //throw;
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| 160 | }
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| 161 | }
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| 162 | }
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| 163 |
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[89] | 164 | int ComponentBase::startComponent()
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| 165 | {
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[152] | 166 | if (isActive()) {
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| 167 | LOG_DEBUG("component already started, cannot (re-)start");
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| 168 | return false;
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| 169 | }
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| 170 |
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| 171 | setActive(true);
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[281] | 172 | boost::thread worker(&ComponentBase::startComponentInThread, this);
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| 173 | //boost::thread worker(&ComponentBase::startActivity, this);
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[279] | 174 | //startActivity();
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[89] | 175 | return true;
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| 176 | }
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| 177 |
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| 178 | int ComponentBase::stopComponent()
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| 179 | {
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[152] | 180 | if (!isActive()) {
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| 181 | LOG_DEBUG("component already stopped, cannot (re-)stop");
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| 182 | return false;
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| 183 | }
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| 184 |
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| 185 | setActive(false);
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[89] | 186 | stopActivity();
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| 187 |
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| 188 | return true;
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| 189 | }
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| 190 |
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| 191 | void ComponentBase::setState(const COMPONENT_STATE state)
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| 192 | {
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[152] | 193 | m_componentState = state;
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[89] | 194 | }
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| 195 |
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| 196 | // FIXME: this should be const.
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| 197 | ComponentBase::COMPONENT_STATE ComponentBase::getState()
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| 198 | {
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[152] | 199 | COMPONENT_STATE state = m_componentState;
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| 200 | if (ComponentBase::NOT_MONITORED != m_componentState) {
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| 201 | m_componentState = ComponentBase::MONITOR_NOK;
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[89] | 202 | }
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| 203 | return state;
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| 204 | }
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| 205 |
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[152] | 206 | ComponentBase::COMPONENT_CONFIGURATION ComponentBase::configurationState() const
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| 207 | {
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| 208 | return m_configurationState;
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| 209 | }
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| 210 |
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| 211 | void ComponentBase::setConfigurationState(COMPONENT_CONFIGURATION state)
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| 212 | {
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| 213 | m_configurationState = state;
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| 214 | }
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| 215 |
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[89] | 216 | bool ComponentBase::isConfigured() const
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| 217 | {
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[152] | 218 | return (m_configurationState == CONFIGURED_OK);
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[89] | 219 | }
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| 220 |
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| 221 | QString ComponentBase::getName() const
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| 222 | {
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[152] | 223 | return m_componentName;
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[89] | 224 | }
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| 225 |
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[152] | 226 | ComponentBase::InputsMap & ComponentBase::inputs()
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[89] | 227 | {
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[152] | 228 | return m_inputs;
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| 229 | }
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[89] | 230 |
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[152] | 231 | const ComponentBase::InputsMap & ComponentBase::inputs() const
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| 232 | {
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| 233 | return m_inputs;
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[89] | 234 | }
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| 235 |
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[152] | 236 | ComponentBase::OutputsMap & ComponentBase::outputs()
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[89] | 237 | {
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[152] | 238 | return m_outputs;
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| 239 | }
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[89] | 240 |
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[152] | 241 | const ComponentBase::OutputsMap & ComponentBase::outputs() const
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| 242 | {
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| 243 | return m_outputs;
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[89] | 244 | }
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[120] | 245 |
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[152] | 246 | InputInterfaceBase * ComponentBase::getInput(QString inputName) const
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[120] | 247 | {
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[152] | 248 | if (inputs().contains(inputName)) {
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| 249 | return inputs()[inputName];
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| 250 | }
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[176] | 251 | LOG_WARN("Component " << getName() << " does not contain input " << inputName);
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[152] | 252 | return NULL;
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[120] | 253 | }
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| 254 |
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[152] | 255 | OutputInterfaceBase * ComponentBase::getOutput(QString outputName) const
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[120] | 256 | {
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[152] | 257 | if (outputs().contains(outputName)) {
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| 258 | return outputs()[outputName];
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| 259 | }
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[206] | 260 | LOG_WARN("Component " << getName() << " does not contain output " << outputName);
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[152] | 261 | return NULL;
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[120] | 262 | }
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[176] | 263 |
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[181] | 264 | bool ComponentBase::hasGui() const
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| 265 | {
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| 266 | return mHasGui;
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| 267 | }
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| 268 |
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| 269 | bool ComponentBase::isOutputVerbose() const
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| 270 | {
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| 271 | return mVerbose || (getVerbosityLevel() > 0);
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| 272 | }
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| 273 |
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| 274 | int ComponentBase::getVerbosityLevel() const
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| 275 | {
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| 276 | return mVerbosityLevel;
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| 277 | }
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| 278 |
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[176] | 279 | po::options_description_easy_init ComponentBase::addParameters()
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| 280 | {
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| 281 | return mOptionsDescription.add_options();
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| 282 | }
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| 283 |
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[270] | 284 | class DomElementParser
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[176] | 285 | {
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[270] | 286 | public:
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| 287 | DomElementParser(QDomElement const& args);
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| 288 |
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| 289 | /** Sets options descriptions to use. */
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| 290 | DomElementParser& options(const boost::program_options::options_description& desc);
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| 291 |
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| 292 | /** Parses the options and returns the result of parsing.
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| 293 | Throws on error.
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| 294 | */
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| 295 | boost::program_options::basic_parsed_options<char> run();
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| 296 |
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| 297 | /** Specifies that unregistered options are allowed and should
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| 298 | be passed though. For each command like token that looks
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| 299 | like an option but does not contain a recognized name, an
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| 300 | instance of basic_option<charT> will be added to result,
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| 301 | with 'unrecognized' field set to 'true'. It's possible to
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| 302 | collect all unrecognized options with the 'collect_unrecognized'
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| 303 | funciton.
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| 304 | */
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| 305 | DomElementParser& allow_unregistered();
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| 306 |
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| 307 | private:
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| 308 | boost::program_options::basic_parsed_options<char> parseDomElement(
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| 309 | const QDomElement& dom_element,
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| 310 | const boost::program_options::options_description& desc,
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| 311 | bool allow_unregistered = false);
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| 312 |
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| 313 | private:
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| 314 | const boost::program_options::options_description* m_desc;
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| 315 | const QDomElement& m_dom_element;
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| 316 | bool m_allow_unregistered;
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| 317 | };
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| 318 |
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| 319 | DomElementParser::DomElementParser(const QDomElement& dom_element)
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| 320 | : m_dom_element(dom_element)
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| 321 | , m_allow_unregistered(false)
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| 322 | {
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| 323 | }
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| 324 |
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| 325 | DomElementParser& DomElementParser::options(const boost::program_options::options_description& desc)
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| 326 | {
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| 327 | m_desc = &desc;
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| 328 | return *this;
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| 329 | }
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| 330 |
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| 331 | DomElementParser& DomElementParser::allow_unregistered()
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| 332 | {
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| 333 | m_allow_unregistered = true;
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| 334 | return *this;
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| 335 | }
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| 336 |
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| 337 | #include <boost/iterator/iterator_facade.hpp>
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| 338 | #include <boost/program_options/errors.hpp>
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| 339 |
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| 340 | namespace detail
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| 341 | {
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| 342 | template <typename charT>
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| 343 | class basic_dom_element_iterator
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| 344 | : public boost::iterator_facade<
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| 345 | basic_dom_element_iterator<charT>
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| 346 | , const boost::program_options::option
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| 347 | , boost::random_access_traversal_tag
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| 348 | >
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| 349 | {
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| 350 | public:
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| 351 | typedef boost::program_options::option ValueType;
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[276] | 352 | typedef basic_dom_element_iterator<charT> self_type;
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| 353 | typedef typename self_type::iterator_facade_ base_type;
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| 354 | typedef typename self_type::difference_type difference_type;
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[270] | 355 |
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[278] | 356 | basic_dom_element_iterator<charT>(QDomElement const& dom_element)
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[270] | 357 | : m_dom_element(NULL)
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| 358 | , m_at_eof(true)
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[278] | 359 | , m_i(dom_element.attributes().size())
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[270] | 360 | {
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| 361 | }
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| 362 |
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[278] | 363 | basic_dom_element_iterator<charT>(QDomElement const& dom_element,
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| 364 | std::set<std::string> const& allowed_options,
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[270] | 365 | bool allow_unregistered = false)
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| 366 | : m_dom_element(&dom_element)
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| 367 | , m_allowed_options(allowed_options)
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[271] | 368 | , m_allow_unregistered(allow_unregistered)
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[270] | 369 | , m_i(0)
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| 370 | {
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| 371 | m_attrs = m_dom_element->attributes();
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| 372 | m_at_eof = !(m_i < m_attrs.size());
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| 373 | if (!m_at_eof) {
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| 374 | get();
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| 375 | }
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| 376 | }
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| 377 |
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[271] | 378 | private:
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| 379 | friend class ::boost::iterator_core_access;
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[270] | 380 |
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| 381 | bool equal(const basic_dom_element_iterator<charT>& other) const
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| 382 | {
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| 383 | if (m_at_eof && other.m_at_eof) {
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| 384 | return true;
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| 385 | }
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| 386 | return false;
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| 387 | }
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| 388 |
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| 389 | void increment()
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| 390 | {
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| 391 | ++m_i;
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| 392 | m_at_eof = !(m_i < m_attrs.size());
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| 393 | if (!m_at_eof) {
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| 394 | get();
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| 395 | }
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| 396 | }
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| 397 |
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| 398 | const ValueType& dereference() const
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| 399 | {
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| 400 | return m_value;
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| 401 | }
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| 402 |
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[274] | 403 | void advance(size_t n)
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| 404 | {
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| 405 | m_i += n;
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| 406 | m_at_eof = !(m_i < m_attrs.size());
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| 407 | if (!m_at_eof) {
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| 408 | get();
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| 409 | }
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| 410 | }
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| 411 |
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[270] | 412 | difference_type distance_to(const basic_dom_element_iterator<charT>& other) const
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| 413 | {
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| 414 | return other.m_i - this->m_i;
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| 415 | }
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| 416 |
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| 417 | private:
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| 418 | ValueType& value()
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| 419 | {
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| 420 | return m_value;
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| 421 | }
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| 422 |
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| 423 | void get()
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| 424 | {
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| 425 | using namespace boost::program_options;
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| 426 |
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| 427 | QDomNode node = m_attrs.item(m_i);
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| 428 | QDomAttr attr = node.toAttr();
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| 429 |
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| 430 | string name = attr.name().toStdString();
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| 431 | string value = attr.value().toStdString();
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| 432 |
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| 433 | bool registered = allowed_option(name);
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| 434 | if (!registered && !m_allow_unregistered) {
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| 435 | boost::throw_exception(unknown_option(name));
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| 436 | }
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| 437 |
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| 438 | this->value().string_key = name;
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| 439 | this->value().value.clear();
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| 440 | this->value().value.push_back(value);
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| 441 | this->value().unregistered = !registered;
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[275] | 442 | //this->value().original_tokens.push_back(name);
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| 443 | //this->value().original_tokens.push_back(value);
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[270] | 444 | }
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| 445 |
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| 446 | bool allowed_option(const std::string& s) const
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| 447 | {
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[278] | 448 | set<string>::const_iterator it = m_allowed_options.find(s);
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| 449 | if (it != m_allowed_options.end()) {
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[270] | 450 | return true;
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| 451 | }
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| 452 | return false;
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| 453 | }
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| 454 |
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| 455 | private:
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| 456 | const QDomElement* m_dom_element;
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| 457 | std::set<std::string> m_allowed_options;
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| 458 | bool m_allow_unregistered;
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| 459 |
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| 460 | QDomNamedNodeMap m_attrs;
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| 461 | int m_i;
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| 462 | bool m_at_eof;
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| 463 | ValueType m_value;
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| 464 | };
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| 465 |
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| 466 | typedef basic_dom_element_iterator<char> dom_element_iterator;
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| 467 | typedef basic_dom_element_iterator<wchar_t> wdom_element_iterator;
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| 468 |
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| 469 | }
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| 470 |
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| 471 | boost::program_options::basic_parsed_options<char> DomElementParser::run()
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| 472 | {
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| 473 | assert(m_desc);
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| 474 | return parseDomElement(m_dom_element, *m_desc, m_allow_unregistered);
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| 475 | }
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| 476 |
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| 477 | boost::program_options::basic_parsed_options<char> DomElementParser::parseDomElement(
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| 478 | const QDomElement& dom_element,
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| 479 | const boost::program_options::options_description& desc,
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| 480 | bool allow_unregistered)
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| 481 | {
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[271] | 482 | // TODO: use XPath paths
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| 483 |
|
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[270] | 484 | typedef char charT;
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| 485 |
|
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| 486 | using boost::program_options::error;
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| 487 | using boost::shared_ptr;
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| 488 | using namespace boost::program_options;
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| 489 | using ::detail::basic_dom_element_iterator;
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| 490 |
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| 491 | set<string> allowed_options;
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| 492 |
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| 493 | const vector<shared_ptr<option_description> >& options = desc.options();
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| 494 | for (unsigned i = 0; i < options.size(); ++i) {
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| 495 | const option_description& d = *options[i];
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| 496 |
|
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| 497 | if (d.long_name().empty()) {
|
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| 498 | boost::throw_exception(
|
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| 499 | error("abbreviated option names are not permitted when parsing DOM elements"));
|
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| 500 | }
|
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| 501 |
|
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| 502 | allowed_options.insert(d.long_name());
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| 503 | }
|
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| 504 |
|
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| 505 | // Parser returns char strings
|
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| 506 | parsed_options result(&desc);
|
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| 507 | copy(basic_dom_element_iterator<charT>(dom_element, allowed_options, allow_unregistered),
|
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[278] | 508 | basic_dom_element_iterator<charT>(dom_element),
|
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[270] | 509 | back_inserter(result.options));
|
---|
| 510 |
|
---|
| 511 | // Convert char strings into desired type.
|
---|
| 512 | return basic_parsed_options<charT>(result);
|
---|
| 513 | }
|
---|
| 514 |
|
---|
| 515 | DomElementParser parseDomElement();
|
---|
| 516 |
|
---|
| 517 | /** Creates instance of 'command_line_parser', passes parameters to it,
|
---|
| 518 | and returns the result of calling the 'run' method.
|
---|
| 519 | */
|
---|
| 520 | boost::program_options::basic_parsed_options<char>
|
---|
| 521 | parseDomElement(QDomElement const& domElement, const boost::program_options::options_description&);
|
---|
| 522 |
|
---|
| 523 | boost::program_options::basic_parsed_options<char>
|
---|
| 524 | parseDomElement(QDomElement const& domElement, const boost::program_options::options_description& desc)
|
---|
| 525 | {
|
---|
| 526 | return DomElementParser(domElement)
|
---|
| 527 | .options(desc)
|
---|
| 528 | .run();
|
---|
| 529 | }
|
---|
| 530 |
|
---|
| 531 | void ComponentBase::parseParameters(XmlComponentConfig const& cfg)
|
---|
| 532 | {
|
---|
[176] | 533 | LOG_INFO("Parsing parameters...");
|
---|
| 534 | LOG_INFO(mOptionsDescription);
|
---|
| 535 |
|
---|
[201] | 536 | po::variables_map vm;
|
---|
[176] | 537 | try {
|
---|
| 538 | po::store(
|
---|
[270] | 539 | DomElementParser(cfg.getDomElement())
|
---|
[176] | 540 | .options(mOptionsDescription)
|
---|
[180] | 541 | .allow_unregistered() // FIXME: temporary only, at term all the components specify all parameters
|
---|
[176] | 542 | .run()
|
---|
| 543 | , vm);
|
---|
| 544 | po::notify(vm);
|
---|
[270] | 545 | } catch (po::error& e) {
|
---|
[201] | 546 | LOG_WARN(e.what());
|
---|
[280] | 547 | BOOST_THROW_EXCEPTION(PacpusException(e.what()));
|
---|
[176] | 548 | }
|
---|
| 549 |
|
---|
[204] | 550 | LOG_INFO("Parsed parameter values:\n" << vm);
|
---|
[176] | 551 | }
|
---|
| 552 |
|
---|
| 553 | vector<string> convertAttributesToArgumentVector(const QDomNamedNodeMap & attributes)
|
---|
| 554 | {
|
---|
| 555 | vector<string> xargs;
|
---|
| 556 | xargs.reserve(attributes.size());
|
---|
| 557 |
|
---|
| 558 | for (int i = 0; i < attributes.size(); ++i) {
|
---|
| 559 | QDomAttr parameter = attributes.item(i).toAttr();
|
---|
| 560 | if (parameter.isNull()) {
|
---|
| 561 | LOG_WARN("node is not a parameter");
|
---|
| 562 | continue;
|
---|
| 563 | }
|
---|
| 564 |
|
---|
| 565 | QString arg = QString("--") + parameter.name() + "=";
|
---|
| 566 |
|
---|
| 567 | bool shouldAddQuotes = parameter.value().contains(' ');
|
---|
| 568 | if (shouldAddQuotes) {
|
---|
| 569 | arg += '\"';
|
---|
| 570 | arg += parameter.value();
|
---|
| 571 | arg += '\"';
|
---|
| 572 | } else {
|
---|
| 573 | arg += parameter.value();
|
---|
| 574 | }
|
---|
| 575 |
|
---|
| 576 | LOG_DEBUG("parameter: " << arg);
|
---|
| 577 | xargs.push_back(arg.toStdString());
|
---|
| 578 | }
|
---|
| 579 |
|
---|
| 580 | return xargs;
|
---|
| 581 | }
|
---|