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