1 //******************************************************************
3 // Copyright 2014 Intel Mobile Communications GmbH All Rights Reserved.
5 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
7 // Licensed under the Apache License, Version 2.0 (the "License");
8 // you may not use this file except in compliance with the License.
9 // You may obtain a copy of the License at
11 // http://www.apache.org/licenses/LICENSE-2.0
13 // Unless required by applicable law or agreed to in writing, software
14 // distributed under the License is distributed on an "AS IS" BASIS,
15 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 // See the License for the specific language governing permissions and
17 // limitations under the License.
19 //-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
24 * This file contains the implementation of classes and its members related
25 * to OCRepresentation.
29 #include <OCRepresentation.h>
31 #include <boost/lexical_cast.hpp>
33 #include "ocpayload.h"
35 #include "oic_malloc.h"
36 #include "oic_string.h"
40 static const char COAP[] = "coap://";
41 static const char COAPS[] = "coaps://";
42 static const char COAP_TCP[] = "coap+tcp://";
44 void MessageContainer::setPayload(const OCPayload* rep)
53 case PAYLOAD_TYPE_REPRESENTATION:
54 setPayload(reinterpret_cast<const OCRepPayload*>(rep));
56 case PAYLOAD_TYPE_DEVICE:
57 setPayload(reinterpret_cast<const OCDevicePayload*>(rep));
59 case PAYLOAD_TYPE_PLATFORM:
60 setPayload(reinterpret_cast<const OCPlatformPayload*>(rep));
63 throw OC::OCException("Invalid Payload type in setPayload");
68 void MessageContainer::setPayload(const OCDevicePayload* payload)
70 if (payload == nullptr)
76 rep[OC_RSRVD_DEVICE_ID] = (payload->sid) ?
77 std::string(payload->sid) :
79 rep[OC_RSRVD_DEVICE_NAME] = payload->deviceName ?
80 std::string(payload->deviceName) :
82 rep[OC_RSRVD_SPEC_VERSION] = payload->specVersion ?
83 std::string(payload->specVersion) :
85 rep[OC_RSRVD_DATA_MODEL_VERSION] = payload->dataModelVersion ?
86 std::string(payload->dataModelVersion) :
88 for (OCStringLL *strll = payload->types; strll; strll = strll->next)
90 rep.addResourceType(strll->value);
92 m_reps.push_back(std::move(rep));
95 void MessageContainer::setPayload(const OCPlatformPayload* payload)
97 if (payload == nullptr)
102 OCRepresentation rep;
103 rep[OC_RSRVD_PLATFORM_ID] = payload->info.platformID ?
104 std::string(payload->info.platformID) :
106 rep[OC_RSRVD_MFG_NAME] = payload->info.manufacturerName ?
107 std::string(payload->info.manufacturerName) :
109 rep[OC_RSRVD_MFG_URL] = payload->info.manufacturerUrl ?
110 std::string(payload->info.manufacturerUrl) :
112 rep[OC_RSRVD_MODEL_NUM] = payload->info.modelNumber ?
113 std::string(payload->info.modelNumber) :
115 rep[OC_RSRVD_MFG_DATE] = payload->info.dateOfManufacture ?
116 std::string(payload->info.dateOfManufacture) :
118 rep[OC_RSRVD_PLATFORM_VERSION] = payload->info.platformVersion ?
119 std::string(payload->info.platformVersion) :
121 rep[OC_RSRVD_OS_VERSION] = payload->info.operatingSystemVersion ?
122 std::string(payload->info.operatingSystemVersion) :
124 rep[OC_RSRVD_HARDWARE_VERSION] = payload->info.hardwareVersion ?
125 std::string(payload->info.hardwareVersion) :
127 rep[OC_RSRVD_FIRMWARE_VERSION] = payload->info.firmwareVersion ?
128 std::string(payload->info.firmwareVersion) :
130 rep[OC_RSRVD_SUPPORT_URL] = payload->info.supportUrl ?
131 std::string(payload->info.supportUrl) :
133 rep[OC_RSRVD_SYSTEM_TIME] = payload->info.systemTime ?
134 std::string(payload->info.systemTime) :
139 rep.addResourceType(payload->rt);
141 for (OCStringLL *strll = payload->interfaces; strll; strll = strll->next)
143 rep.addResourceInterface(strll->value);
146 m_reps.push_back(std::move(rep));
149 void MessageContainer::setPayload(const OCRepPayload* payload)
151 const OCRepPayload* pl = payload;
154 OCRepresentation cur;
158 this->addRepresentation(cur);
162 OCRepPayload* MessageContainer::getPayload() const
164 OCRepPayload* root = nullptr;
165 for(const auto& r : representations())
169 root = r.getPayload();
173 OCRepPayloadAppend(root, r.getPayload());
180 const std::vector<OCRepresentation>& MessageContainer::representations() const
185 void MessageContainer::addRepresentation(const OCRepresentation& rep)
187 m_reps.push_back(rep);
193 struct get_payload_array: boost::static_visitor<>
196 void operator()(T& /*arr*/)
198 throw std::logic_error("Invalid calc_dimensions_visitor type");
202 void operator()(std::vector<T>& arr)
205 dimensions[0] = arr.size();
208 dimTotal = calcDimTotal(dimensions);
210 array = (void*)OICMalloc(dimTotal * root_size);
212 for(size_t i = 0; i < dimensions[0]; ++i)
214 copy_to_array(arr[i], array, i);
219 void operator()(std::vector<std::vector<T>>& arr)
222 dimensions[0] = arr.size();
225 for(size_t i = 0; i < arr.size(); ++i)
227 dimensions[1] = std::max(dimensions[1], arr[i].size());
229 dimTotal = calcDimTotal(dimensions);
230 array = (void*)OICCalloc(1, dimTotal * root_size);
232 for(size_t i = 0; i < dimensions[0]; ++i)
234 for(size_t j = 0; j < dimensions[1] && j < arr[i].size(); ++j)
236 copy_to_array(arr[i][j], array, i*dimensions[1] + j);
241 void operator()(std::vector<std::vector<std::vector<T>>>& arr)
244 dimensions[0] = arr.size();
247 for(size_t i = 0; i < arr.size(); ++i)
249 dimensions[1] = std::max(dimensions[1], arr[i].size());
251 for(size_t j = 0; j < arr[i].size(); ++j)
253 dimensions[2] = std::max(dimensions[2], arr[i][j].size());
257 dimTotal = calcDimTotal(dimensions);
258 array = (void*)OICCalloc(1, dimTotal * root_size);
260 for(size_t i = 0; i < dimensions[0]; ++i)
262 for(size_t j = 0; j < dimensions[1] && j < arr[i].size(); ++j)
264 for(size_t k = 0; k < dimensions[2] && k < arr[i][j].size(); ++k)
266 copy_to_array(arr[i][j][k], array,
268 dimensions[2] * dimensions[1] * i +
276 void root_size_calc()
278 root_size = sizeof(T);
282 void copy_to_array(T item, void* array, size_t pos)
284 ((T*)array)[pos] = item;
287 size_t dimensions[MAX_REP_ARRAY_DEPTH];
294 void get_payload_array::root_size_calc<int>()
296 root_size = sizeof(int64_t);
300 void get_payload_array::root_size_calc<std::string>()
302 root_size = sizeof(char*);
306 void get_payload_array::root_size_calc<OC::OCRepresentation>()
308 root_size = sizeof(OCRepPayload*);
312 void get_payload_array::copy_to_array(int item, void* array, size_t pos)
314 ((int64_t*)array)[pos] = item;
317 #if !defined(_MSC_VER)
319 void get_payload_array::copy_to_array(std::_Bit_reference br, void* array, size_t pos)
321 ((bool*)array)[pos] = static_cast<bool>(br);
326 void get_payload_array::copy_to_array(std::string item, void* array, size_t pos)
328 ((char**)array)[pos] = OICStrdup(item.c_str());
332 void get_payload_array::copy_to_array(std::string& item, void* array, size_t pos)
334 ((char**)array)[pos] = OICStrdup(item.c_str());
338 void get_payload_array::copy_to_array(const std::string& item, void* array, size_t pos)
340 ((char**)array)[pos] = OICStrdup(item.c_str());
344 void get_payload_array::copy_to_array(OC::OCRepresentation item, void* array, size_t pos)
346 ((OCRepPayload**)array)[pos] = item.getPayload();
349 void OCRepresentation::getPayloadArray(OCRepPayload* payload,
350 const OCRepresentation::AttributeItem& item) const
352 get_payload_array vis{};
353 boost::apply_visitor(vis, m_values[item.attrname()]);
356 switch(item.base_type())
358 case AttributeType::Integer:
359 OCRepPayloadSetIntArrayAsOwner(payload, item.attrname().c_str(),
363 case AttributeType::Double:
364 OCRepPayloadSetDoubleArrayAsOwner(payload, item.attrname().c_str(),
368 case AttributeType::Boolean:
369 OCRepPayloadSetBoolArrayAsOwner(payload, item.attrname().c_str(),
373 case AttributeType::String:
374 OCRepPayloadSetStringArrayAsOwner(payload, item.attrname().c_str(),
378 case AttributeType::OCRepresentation:
379 OCRepPayloadSetPropObjectArrayAsOwner(payload, item.attrname().c_str(),
380 (OCRepPayload**)vis.array, vis.dimensions);
383 throw std::logic_error(std::string("GetPayloadArray: Not Implemented") +
384 std::to_string((int)item.base_type()));
388 OCRepPayload* OCRepresentation::getPayload() const
390 OCRepPayload* root = OCRepPayloadCreate();
393 throw std::bad_alloc();
396 OCRepPayloadSetUri(root, getUri().c_str());
398 for(const std::string& type : getResourceTypes())
400 OCRepPayloadAddResourceType(root, type.c_str());
403 for(const std::string& iface : getResourceInterfaces())
405 OCRepPayloadAddInterface(root, iface.c_str());
408 for(auto& val : *this)
412 case AttributeType::Null:
413 OCRepPayloadSetNull(root, val.attrname().c_str());
415 case AttributeType::Integer:
416 OCRepPayloadSetPropInt(root, val.attrname().c_str(), static_cast<int>(val));
418 case AttributeType::Double:
419 OCRepPayloadSetPropDouble(root, val.attrname().c_str(),
420 val.getValue<double>());
422 case AttributeType::Boolean:
423 OCRepPayloadSetPropBool(root, val.attrname().c_str(), val.getValue<bool>());
425 case AttributeType::String:
426 OCRepPayloadSetPropString(root, val.attrname().c_str(),
427 (static_cast<std::string>(val)).c_str());
429 case AttributeType::OCRepresentation:
430 OCRepPayloadSetPropObjectAsOwner(root, val.attrname().c_str(),
431 (static_cast<OCRepresentation>(val)).getPayload());
433 case AttributeType::Vector:
434 getPayloadArray(root, val);
437 throw std::logic_error(std::string("Getpayload: Not Implemented") +
438 std::to_string((int)val.type()));
446 size_t calcArrayDepth(const size_t dimensions[MAX_REP_ARRAY_DEPTH])
448 if (dimensions[0] == 0)
450 throw std::logic_error("invalid calcArrayDepth");
452 else if (dimensions[1] == 0)
456 else if (dimensions[2] == 0)
467 T OCRepresentation::payload_array_helper_copy(size_t index, const OCRepPayloadValue* pl)
469 throw std::logic_error("payload_array_helper_copy: unsupported type");
472 int OCRepresentation::payload_array_helper_copy<int>(size_t index, const OCRepPayloadValue* pl)
474 return pl->arr.iArray[index];
477 double OCRepresentation::payload_array_helper_copy<double>(size_t index, const OCRepPayloadValue* pl)
479 return pl->arr.dArray[index];
482 bool OCRepresentation::payload_array_helper_copy<bool>(size_t index, const OCRepPayloadValue* pl)
484 return pl->arr.bArray[index];
487 std::string OCRepresentation::payload_array_helper_copy<std::string>(
488 size_t index, const OCRepPayloadValue* pl)
490 if (pl->arr.strArray[index])
492 return std::string(pl->arr.strArray[index]);
496 return std::string{};
500 OCRepresentation OCRepresentation::payload_array_helper_copy<OCRepresentation>(
501 size_t index, const OCRepPayloadValue* pl)
504 if (pl->arr.objArray[index])
506 r.setPayload(pl->arr.objArray[index]);
512 void OCRepresentation::payload_array_helper(const OCRepPayloadValue* pl, size_t depth)
516 std::vector<T> val(pl->arr.dimensions[0]);
518 for(size_t i = 0; i < pl->arr.dimensions[0]; ++i)
520 val[i] = payload_array_helper_copy<T>(i, pl);
522 this->setValue(std::string(pl->name), val);
526 std::vector<std::vector<T>> val(pl->arr.dimensions[0]);
527 for(size_t i = 0; i < pl->arr.dimensions[0]; ++i)
529 val[i].resize(pl->arr.dimensions[1]);
530 for(size_t j = 0; j < pl->arr.dimensions[1]; ++j)
532 val[i][j] = payload_array_helper_copy<T>(
533 i * pl->arr.dimensions[1] + j, pl);
536 this->setValue(std::string(pl->name), val);
540 std::vector<std::vector<std::vector<T>>> val(pl->arr.dimensions[0]);
541 for(size_t i = 0; i < pl->arr.dimensions[0]; ++i)
543 val[i].resize(pl->arr.dimensions[1]);
544 for(size_t j = 0; j < pl->arr.dimensions[1]; ++j)
546 val[i][j].resize(pl->arr.dimensions[2]);
547 for(size_t k = 0; k < pl->arr.dimensions[2]; ++k)
549 val[i][j][k] = payload_array_helper_copy<T>(
550 pl->arr.dimensions[2] * j +
551 pl->arr.dimensions[2] * pl->arr.dimensions[1] * i +
557 this->setValue(std::string(pl->name), val);
561 throw std::logic_error("Invalid depth in payload_array_helper");
565 void OCRepresentation::setPayloadArray(const OCRepPayloadValue* pl)
571 payload_array_helper<int>(pl, calcArrayDepth(pl->arr.dimensions));
573 case OCREP_PROP_DOUBLE:
574 payload_array_helper<double>(pl, calcArrayDepth(pl->arr.dimensions));
576 case OCREP_PROP_BOOL:
577 payload_array_helper<bool>(pl, calcArrayDepth(pl->arr.dimensions));
579 case OCREP_PROP_STRING:
580 payload_array_helper<std::string>(pl, calcArrayDepth(pl->arr.dimensions));
582 case OCREP_PROP_OBJECT:
583 payload_array_helper<OCRepresentation>(pl, calcArrayDepth(pl->arr.dimensions));
586 throw std::logic_error("setPayload array invalid type");
591 void OCRepresentation::setPayload(const OCRepPayload* pl)
595 OCStringLL* ll = pl->types;
598 addResourceType(ll->value);
605 addResourceInterface(ll->value);
609 OCRepPayloadValue* val = pl->values;
615 case OCREP_PROP_NULL:
619 setValue<int>(val->name, val->i);
621 case OCREP_PROP_DOUBLE:
622 setValue<double>(val->name, val->d);
624 case OCREP_PROP_BOOL:
625 setValue<bool>(val->name, val->b);
627 case OCREP_PROP_STRING:
628 setValue<std::string>(val->name, val->str);
630 case OCREP_PROP_OBJECT:
632 OCRepresentation cur;
633 cur.setPayload(val->obj);
634 setValue<OCRepresentation>(val->name, cur);
637 case OCREP_PROP_ARRAY:
638 setPayloadArray(val);
641 throw std::logic_error(std::string("Not Implemented!") +
642 std::to_string((int)val->type));
649 void OCRepresentation::addChild(const OCRepresentation& rep)
651 m_children.push_back(rep);
654 void OCRepresentation::clearChildren()
659 const std::vector<OCRepresentation>& OCRepresentation::getChildren() const
664 void OCRepresentation::setChildren(const std::vector<OCRepresentation>& children)
666 m_children = children;
669 void OCRepresentation::setDevAddr(const OCDevAddr m_devAddr)
671 std::ostringstream ss;
672 if (m_devAddr.flags & OC_SECURE)
676 else if (m_devAddr.adapter & OC_ADAPTER_TCP)
684 if (m_devAddr.flags & OC_IP_USE_V6)
686 ss << '[' << m_devAddr.addr << ']';
690 ss << m_devAddr.addr;
694 ss << ':' << m_devAddr.port;
699 const std::string OCRepresentation::getHost() const
704 void OCRepresentation::setUri(const char* uri)
706 m_uri = uri ? uri : "";
709 void OCRepresentation::setUri(const std::string& uri)
714 std::string OCRepresentation::getUri() const
719 const std::vector<std::string>& OCRepresentation::getResourceTypes() const
721 return m_resourceTypes;
724 void OCRepresentation::setResourceTypes(const std::vector<std::string>& resourceTypes)
726 m_resourceTypes = resourceTypes;
729 void OCRepresentation::addResourceType(const std::string& str)
731 m_resourceTypes.push_back(str);
734 const std::vector<std::string>& OCRepresentation::getResourceInterfaces() const
739 void OCRepresentation::addResourceInterface(const std::string& str)
741 m_interfaces.push_back(str);
744 void OCRepresentation::setResourceInterfaces(const std::vector<std::string>& resourceInterfaces)
746 m_interfaces = resourceInterfaces;
749 bool OCRepresentation::hasAttribute(const std::string& str) const
751 return m_values.find(str) != m_values.end();
754 bool OCRepresentation::emptyData() const
756 // This logic is meant to determine whether based on the JSON serialization rules
757 // if this object will result in empty JSON. URI is only serialized if there is valid
758 // data, ResourceType and Interfaces are only serialized if we are a nothing, a
759 // child of a default or link item.
760 // Our values array is only printed in the if we are the child of a Batch resource,
761 // the parent in a 'default' situation, or not in a child/parent relationship.
766 else if ((m_interfaceType == InterfaceType::None
767 || m_interfaceType==InterfaceType::DefaultChild
768 || m_interfaceType==InterfaceType::LinkChild)
769 && (m_resourceTypes.size()>0 || m_interfaces.size()>0))
773 else if ((m_interfaceType == InterfaceType::None
774 || m_interfaceType == InterfaceType::BatchChild
775 || m_interfaceType == InterfaceType::DefaultParent)
776 && m_values.size()>0)
781 if (m_children.size() > 0)
789 int OCRepresentation::numberOfAttributes() const
791 return m_values.size();
794 bool OCRepresentation::erase(const std::string& str)
796 return m_values.erase(str);
799 void OCRepresentation::setNULL(const std::string& str)
801 m_values[str] = OC::NullType();
804 bool OCRepresentation::isNULL(const std::string& str) const
806 auto x = m_values.find(str);
808 if (m_values.end() != x)
810 return x->second.which() == AttributeValueNullIndex;
814 throw OCException(OC::Exception::INVALID_ATTRIBUTE+ str);
821 std::ostream& operator <<(std::ostream& os, const AttributeType at)
825 case AttributeType::Null:
828 case AttributeType::Integer:
831 case AttributeType::Double:
834 case AttributeType::Boolean:
837 case AttributeType::String:
840 case AttributeType::OCRepresentation:
841 os << "OCRepresentation";
843 case AttributeType::Vector:
851 // STL Container For OCRepresentation
854 OCRepresentation::AttributeItem::AttributeItem(const std::string& name,
855 std::map<std::string, AttributeValue>& vals):
856 m_attrName(name), m_values(vals){}
858 OCRepresentation::AttributeItem OCRepresentation::operator[](const std::string& key)
860 OCRepresentation::AttributeItem attr{key, m_values};
861 return std::move(attr);
864 const OCRepresentation::AttributeItem OCRepresentation::operator[](const std::string& key) const
866 OCRepresentation::AttributeItem attr{key, m_values};
867 return std::move(attr);
870 const std::string& OCRepresentation::AttributeItem::attrname() const
875 template<typename T, typename = void>
878 // contains the actual type
880 // contains the inner most vector-type
882 // contains the AttributeType for this item
883 BOOST_STATIC_CONSTEXPR AttributeType enum_type =
884 AttributeTypeConvert<T>::type;
885 // contains the AttributeType for this base-type
886 BOOST_STATIC_CONSTEXPR AttributeType enum_base_type =
887 AttributeTypeConvert<T>::type;
888 // depth of the vector
889 BOOST_STATIC_CONSTEXPR size_t depth = 0;
893 struct type_info<T, typename std::enable_if<is_vector<T>::value>::type>
896 typedef typename type_info<typename T::value_type>::base_type base_type;
897 BOOST_STATIC_CONSTEXPR AttributeType enum_type = AttributeType::Vector;
898 BOOST_STATIC_CONSTEXPR AttributeType enum_base_type =
899 type_info<typename T::value_type>::enum_base_type;
900 BOOST_STATIC_CONSTEXPR size_t depth = 1 +
901 type_info<typename T::value_type>::depth;
904 struct type_introspection_visitor : boost::static_visitor<>
907 AttributeType base_type;
910 type_introspection_visitor() : boost::static_visitor<>(),
911 type(AttributeType::Null), base_type(AttributeType::Null), depth(0){}
913 template <typename T>
914 void operator()(T const& /*item*/)
916 type = type_info<T>::enum_type;
917 base_type = type_info<T>::enum_base_type;
918 depth = type_info<T>::depth;
922 AttributeType OCRepresentation::AttributeItem::type() const
924 type_introspection_visitor vis;
925 boost::apply_visitor(vis, m_values[m_attrName]);
929 AttributeType OCRepresentation::AttributeItem::base_type() const
931 type_introspection_visitor vis;
932 boost::apply_visitor(vis, m_values[m_attrName]);
933 return vis.base_type;
936 size_t OCRepresentation::AttributeItem::depth() const
938 type_introspection_visitor vis;
939 boost::apply_visitor(vis, m_values[m_attrName]);
943 OCRepresentation::iterator OCRepresentation::begin()
945 return OCRepresentation::iterator(m_values.begin(), m_values);
948 OCRepresentation::const_iterator OCRepresentation::begin() const
950 return OCRepresentation::const_iterator(m_values.begin(), m_values);
953 OCRepresentation::const_iterator OCRepresentation::cbegin() const
955 return OCRepresentation::const_iterator(m_values.cbegin(), m_values);
958 OCRepresentation::iterator OCRepresentation::end()
960 return OCRepresentation::iterator(m_values.end(), m_values);
963 OCRepresentation::const_iterator OCRepresentation::end() const
965 return OCRepresentation::const_iterator(m_values.end(), m_values);
968 OCRepresentation::const_iterator OCRepresentation::cend() const
970 return OCRepresentation::const_iterator(m_values.cend(), m_values);
973 size_t OCRepresentation::size() const
975 return m_values.size();
978 bool OCRepresentation::empty() const
980 return m_values.empty();
983 bool OCRepresentation::iterator::operator==(const OCRepresentation::iterator& rhs) const
985 return m_iterator == rhs.m_iterator;
988 bool OCRepresentation::iterator::operator!=(const OCRepresentation::iterator& rhs) const
990 return m_iterator != rhs.m_iterator;
993 bool OCRepresentation::const_iterator::operator==(
994 const OCRepresentation::const_iterator& rhs) const
996 return m_iterator == rhs.m_iterator;
999 bool OCRepresentation::const_iterator::operator!=(
1000 const OCRepresentation::const_iterator& rhs) const
1002 return m_iterator != rhs.m_iterator;
1005 OCRepresentation::iterator::reference OCRepresentation::iterator::operator*()
1010 OCRepresentation::const_iterator::const_reference
1011 OCRepresentation::const_iterator::operator*() const
1016 OCRepresentation::iterator::pointer OCRepresentation::iterator::operator->()
1021 OCRepresentation::const_iterator::const_pointer
1022 OCRepresentation::const_iterator::operator->() const
1027 OCRepresentation::iterator& OCRepresentation::iterator::operator++()
1030 if (m_iterator != m_item.m_values.end())
1032 m_item.m_attrName = m_iterator->first;
1036 m_item.m_attrName = "";
1041 OCRepresentation::const_iterator& OCRepresentation::const_iterator::operator++()
1044 if (m_iterator != m_item.m_values.end())
1046 m_item.m_attrName = m_iterator->first;
1050 m_item.m_attrName = "";
1055 OCRepresentation::iterator OCRepresentation::iterator::operator++(int)
1057 OCRepresentation::iterator itr(*this);
1062 OCRepresentation::const_iterator OCRepresentation::const_iterator::operator++(int)
1064 OCRepresentation::const_iterator itr(*this);
1069 struct to_string_visitor : boost::static_visitor<>
1072 template <typename T>
1073 void operator()(T const& item)
1075 str = boost::lexical_cast<std::string>(item);
1078 template <typename T>
1079 void operator()(std::vector<T> const& item)
1081 to_string_visitor vis;
1082 std::ostringstream stream;
1085 for(const auto& i : item)
1088 stream << vis.str << " ";
1096 void to_string_visitor::operator()(bool const& item)
1098 str = item ? "true" : "false";
1102 void to_string_visitor::operator()(std::string const& item)
1108 void to_string_visitor::operator()(NullType const& /*item*/)
1114 void to_string_visitor::operator()(OCRepresentation const& /*item*/)
1116 str = "OC::OCRepresentation";
1119 std::string OCRepresentation::getValueToString(const std::string& key) const
1121 auto x = m_values.find(key);
1122 if (x != m_values.end())
1124 to_string_visitor vis;
1125 boost::apply_visitor(vis, x->second);
1126 return std::move(vis.str);
1132 std::string OCRepresentation::AttributeItem::getValueToString() const
1134 to_string_visitor vis;
1135 boost::apply_visitor(vis, m_values[m_attrName]);
1136 return std::move(vis.str);
1139 std::ostream& operator<<(std::ostream& os, const OCRepresentation::AttributeItem& ai)
1141 os << ai.getValueToString();