mirror of
https://github.com/IfcOpenShell/IfcOpenShell.git
synced 2026-08-15 18:14:08 +00:00
Thomas Krijnen
78 lines
2.9 KiB
C++
78 lines
2.9 KiB
C++
#ifndef IFCFILE_H
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#define IFCFILE_H
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#include <map>
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#include "IfcUtil.h"
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#include "IfcParse.h"
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namespace IfcParse {
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typedef IfcUtil::IfcSchemaEntity IfcEntity;
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//typedef IfcEntities IfcEntities;
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typedef std::map<Ifc2x3::Type::Enum,IfcEntities> MapEntitiesByType;
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typedef std::map<unsigned int,IfcEntity> MapEntityById;
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typedef std::map<std::string,Ifc2x3::IfcRoot::ptr> MapEntityByGuid;
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typedef std::map<unsigned int,IfcEntities> MapEntitiesByRef;
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typedef std::map<unsigned int,unsigned int> MapOffsetById;
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/// This class provides several static convenience functions and variables
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/// and provide access to the entities in an IFC file
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class IfcFile {
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private:
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MapEntityById byid;
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MapEntitiesByType bytype;
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MapEntitiesByRef byref;
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MapEntityByGuid byguid;
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MapOffsetById offsets;
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unsigned int lastId;
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unsigned int MaxId;
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public:
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typedef MapEntityById::const_iterator const_iterator;
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IfcFile();
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~IfcFile();
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/// Returns the first entity in the file, this probably is the entity with the lowest id (EXPRESS ENTITY_INSTANCE_NAME)
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const_iterator begin() const;
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/// Returns the last entity in the file, this probably is the entity with the highes id (EXPRESS ENTITY_INSTANCE_NAME)
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const_iterator end() const;
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IfcParse::IfcSpfStream* file;
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IfcParse::Tokens* tokens;
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/// Returns all entities in the file that match the template argument.
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/// NOTE: This also returns subtypes of the requested type, for example:
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/// IfcWall will also return IfcWallStandardCase entities
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template <class T>
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typename T::list EntitiesByType() {
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IfcEntities e = EntitiesByType(T::Class());
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typename T::list l ( new IfcTemplatedEntityList<T>() );
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if ( e && e->Size() )
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for ( IfcEntityList::it it = e->begin(); it != e->end(); ++ it ) {
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l->push(reinterpret_pointer_cast<IfcUtil::IfcBaseClass,T>(*it));
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}
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return l;
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}
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/// Returns all entities in the file that match the positional argument.
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/// NOTE: This also returns subtypes of the requested type, for example:
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/// IfcWall will also return IfcWallStandardCase entities
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IfcEntities EntitiesByType(Ifc2x3::Type::Enum t);
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/// Returns all entities in the file that match the positional argument.
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/// NOTE: This also returns subtypes of the requested type, for example:
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/// IfcWall will also return IfcWallStandardCase entities
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IfcEntities EntitiesByType(const std::string& t);
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/// Returns all entities in the file that reference the id
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IfcEntities EntitiesByReference(int id);
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/// Returns the entity with the specified id
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IfcEntity EntityById(int id);
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/// Returns the entity with the specified GlobalId
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Ifc2x3::IfcRoot::ptr EntityByGuid(const std::string& guid);
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bool Init(const std::string& fn);
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bool Init(std::istream& fn, int len);
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bool Init(void* data, int len);
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bool Init(IfcParse::IfcSpfStream* f);
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unsigned int FreshId() { MaxId ++; return MaxId; }
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void AddEntity(IfcUtil::IfcSchemaEntity e);
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void AddEntities(IfcEntities es);
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};
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}
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#endif |