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