knowrob::semweb::Resource Class Reference

#include <Resource.h>

Inheritance diagram for knowrob::semweb::Resource:

Classes
struct	AtomComparator

Public Member Functions
	Resource (std::string_view iri)
	Resource (const IRIAtomPtr &iri)
auto	iri () const
auto	iriAtom () const
std::string_view	name () const
std::string_view	ns (bool includeDelimiter=false) const
	Resource (std::string_view iri)
	Resource (const IRIAtomPtr &iri)
auto	iri () const
auto	iriAtom () const
std::string_view	name () const
std::string_view	ns (bool includeDelimiter=false) const

Static Public Member Functions
static IRIAtomPtr	unique_iri (std::string_view ns, std::string_view name)
static IRIAtomPtr	unique_iri (std::string_view type_iri)
static std::string_view	iri_name (std::string_view iri)
static std::string_view	iri_ns (std::string_view iri, bool includeDelimiter=false)
static AtomPtr	graph_atom (std::optional< std::string_view > graph)
static IRIAtomPtr	unique_iri (std::string_view ns, std::string_view name)
static IRIAtomPtr	unique_iri (std::string_view type_iri)
static std::string_view	iri_name (std::string_view iri)
static std::string_view	iri_ns (std::string_view iri, bool includeDelimiter=false)
static AtomPtr	graph_atom (std::optional< std::string_view > graph)

Protected Attributes
knowrob::AtomPtr	iri_

Detailed Description

A RDF resource.

Definition at line 17 of file Resource.h.

Constructor & Destructor Documentation

Resource() [1/4]

Resource::Resource ( std::string_view  iri )

explicit

Definition at line 23 of file Resource.cpp.

                                     {
    switch (rdfNodeTypeGuess(iri)) {
        case RDFNodeType::BLANK:
            iri_ = Blank::Tabled(iri);
            break;
        case RDFNodeType::IRI:
            iri_ = IRIAtom::Tabled(iri);
            break;
        case RDFNodeType::LITERAL:
            KB_WARN("Resource created with guessed literal type: {}. Treating as IRI.", iri);
            iri_ = IRIAtom::Tabled(iri);
            break;
    }
}

Resource() [2/4]

knowrob::semweb::Resource::Resource ( const IRIAtomPtr &  iri )

inlineexplicit

Definition at line 21 of file Resource.h.

: iri_(iri) {}

Resource() [3/4]

knowrob::semweb::Resource::Resource ( std::string_view  iri )

explicit

Resource() [4/4]

knowrob::semweb::Resource::Resource ( const IRIAtomPtr &  iri )

inlineexplicit

Definition at line 21 of file Resource.h.

: iri_(iri) {}

Member Function Documentation

graph_atom() [1/2]

knowrob::AtomPtr Resource::graph_atom ( std::optional< std::string_view >  graph )

static

Obtain an atom from an optional string.

Parameters

graph

an optional string

Returns

an atom

Definition at line 82 of file Resource.cpp.

                                                                     {
    return graph ? IRIAtom::Tabled(graph.value()) : IRIAtom::Tabled(ImportHierarchy::ORIGIN_SESSION);
}

graph_atom() [2/2]

static AtomPtr knowrob::semweb::Resource::graph_atom ( std::optional< std::string_view >  graph )

static

Obtain an atom from an optional string.

Parameters

graph

an optional string

Returns

an atom

iri() [1/2]

auto knowrob::semweb::Resource::iri ( ) const

inline

Returns

the IRI string of this resource

Definition at line 26 of file Resource.h.

{ return iri_->stringForm(); }

iri() [2/2]

auto knowrob::semweb::Resource::iri ( ) const

inline

Returns

the IRI string of this resource

Definition at line 26 of file Resource.h.

{ return iri_->stringForm(); }

iri_name() [1/2]

std::string_view Resource::iri_name ( std::string_view  iri )

static

Parameters

iri

a IRI

Returns

the name part of the IRI

Definition at line 57 of file Resource.cpp.

                                                    {
    auto pos = iri.find('#');
    if (pos != std::string::npos) {
        return iri.substr(pos + 1);
    }
    return {iri.data()};
}

iri_name() [2/2]

static std::string_view knowrob::semweb::Resource::iri_name ( std::string_view  iri )

static

Parameters

iri

a IRI

Returns

the name part of the IRI

iri_ns() [1/2]

std::string_view Resource::iri_ns ( std::string_view  iri, bool  includeDelimiter = false  )

static

Parameters

iri	a IRI
includeDelimiter	if true, the delimiter is included in the result

Returns

the namespace part of the IRI

Definition at line 69 of file Resource.cpp.

                                                                         {
    auto pos = iri.rfind('#');
    if (pos != std::string::npos) {
        auto pos_x = (includeDelimiter ? pos + 1 : pos);
        return iri.substr(0, pos_x);
    }
    return {};
}

iri_ns() [2/2]

static std::string_view knowrob::semweb::Resource::iri_ns ( std::string_view  iri, bool  includeDelimiter = false  )

static

Parameters

iri	a IRI
includeDelimiter	if true, the delimiter is included in the result

Returns

the namespace part of the IRI

iriAtom() [1/2]

auto knowrob::semweb::Resource::iriAtom ( ) const

inline

Returns

the IRI string of this resource as an atom

Definition at line 31 of file Resource.h.

{ return iri_; }

iriAtom() [2/2]

auto knowrob::semweb::Resource::iriAtom ( ) const

inline

Returns

the IRI string of this resource as an atom

Definition at line 31 of file Resource.h.

{ return iri_; }

name() [1/2]

std::string_view Resource::name

(

)

const

Returns

the name of this resource

Definition at line 65 of file Resource.cpp.

                                    {
    return iri_name(iri_->stringForm());
}

name() [2/2]

std::string_view knowrob::semweb::Resource::name

(

)

const

Returns

the name of this resource

ns() [1/2]

std::string_view Resource::ns

(

bool

includeDelimiter = false

)

const

Returns

the namespace of this resource.

Definition at line 78 of file Resource.cpp.

                                                       {
    return iri_ns(iri_->stringForm(), includeDelimiter);
}

ns() [2/2]

std::string_view knowrob::semweb::Resource::ns

(

bool

includeDelimiter = false

)

const

Returns

the namespace of this resource.

unique_iri() [1/4]

knowrob::IRIAtomPtr Resource::unique_iri ( std::string_view  ns, std::string_view  name  )

static

Generate a unique IRI for a resource.

Parameters

ns	the namespace of the IRI.
name	the name prefix of the IRI.

Returns

a unique IRI.

Definition at line 38 of file Resource.cpp.

                                                                             {
    std::stringstream ss;
    ss << ns;
    if (!ns.empty() && ns.back() != '#') {
        ss << "#";
    }
    ss << name << '_';
    insertUnique(ss);
    return IRIAtom::Tabled(ss.str());
}

unique_iri() [2/4]

static IRIAtomPtr knowrob::semweb::Resource::unique_iri ( std::string_view  ns, std::string_view  name  )

static

Generate a unique IRI for a resource.

Parameters

ns	the namespace of the IRI.
name	the name prefix of the IRI.

Returns

a unique IRI.

unique_iri() [3/4]

knowrob::IRIAtomPtr Resource::unique_iri ( std::string_view  type_iri )

static

Generate a unique IRI for a resource.

Parameters

type_iri

the type IRI of the resource used as a prefix.

Returns

a unique IRI.

Definition at line 49 of file Resource.cpp.

                                                              {
    std::stringstream ss;
    ss << type_iri;
    ss << '_';
    insertUnique(ss);
    return IRIAtom::Tabled(ss.str());
}

unique_iri() [4/4]

static IRIAtomPtr knowrob::semweb::Resource::unique_iri ( std::string_view  type_iri )

static

Generate a unique IRI for a resource.

Parameters

type_iri

the type IRI of the resource used as a prefix.

Returns

a unique IRI.

Member Data Documentation

iri_

knowrob::AtomPtr knowrob::semweb::Resource::iri_

protected

Definition at line 79 of file Resource.h.

---

The documentation for this class was generated from the following files:

• build/_CPack_Packages/Linux/DEB/knowrob-2.1.0-Linux/usr/include/knowrob/semweb/Resource.h
• src/semweb/Resource.cpp