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Open CASCADE Technology Reference Manual 8.0.1
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Open CASCADE Technology Reference Manual 8.0.1
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Defines unitary operations required to read an Entity from a File (see FileReaderData, FileReaderTool), under control of a FileReaderTool. The initial creation is performed by a GeneralModule (set in GeneralLib). Then, which remains is Loading data from the FileReaderData to the Entity. More...
#include <Interface_ReaderModule.hxx>
Public Member Functions | |
| virtual int | CaseNum (const occ::handle< Interface_FileReaderData > &datadata, const int numnum) const =0 |
| Translates the type of record <num> in <data> to a positive Case Number. If Recognition fails, must return 0. | |
| virtual void | Read (const int casenum, const occ::handle< Interface_FileReaderData > &datadata, const int numnum, occ::handle< Interface_Check > &ach, const occ::handle< Standard_Transient > &ent) const =0 |
| Performs the effective loading from <data>, record <num>, to the Entity <ent> formerly created In case of Error or Warning, fills <ach> with messages Remark that the Case Number comes from translating a record. | |
| virtual bool | NewRead (const int casenum, const occ::handle< Interface_FileReaderData > &datadata, const int numnum, occ::handle< Interface_Check > &ach, occ::handle< Standard_Transient > &ent) const |
| Specific operator (create+read) defaulted to do nothing. It can be redefined when it is not possible to work in two steps (NewVoid then Read). This occurs when no default constructor is defined : hence the result <ent> must be created with an effective definition from the reader. Remark : if NewRead is defined, Copy has nothing to do. | |
| Public Member Functions inherited from Standard_Transient | |
| Standard_Transient () | |
| Empty constructor. | |
| Standard_Transient (const Standard_Transient &) | |
| Copy constructor – does nothing. | |
| Standard_Transient & | operator= (const Standard_Transient &) |
| Assignment operator, needed to avoid copying reference counter. | |
| virtual | ~Standard_Transient ()=default |
| Destructor must be virtual. | |
| virtual const opencascade::handle< Standard_Type > & | DynamicType () const |
| Returns a type descriptor about this object. | |
| bool | IsInstance (const opencascade::handle< Standard_Type > &theType) const |
| Returns a true value if this is an instance of Type. | |
| bool | IsInstance (const char *const theTypeName) const |
| Returns a true value if this is an instance of TypeName. | |
| bool | IsKind (const opencascade::handle< Standard_Type > &theType) const |
| Returns true if this is an instance of Type or an instance of any class that inherits from Type. Note that multiple inheritance is not supported by OCCT RTTI mechanism. | |
| bool | IsKind (const char *const theTypeName) const |
| Returns true if this is an instance of TypeName or an instance of any class that inherits from TypeName. Note that multiple inheritance is not supported by OCCT RTTI mechanism. | |
| Standard_Transient * | This () const |
| Returns non-const pointer to this object (like const_cast). For protection against creating handle to objects allocated in stack or call from constructor, it will raise exception Standard_ProgramError if reference counter is zero. | |
| int | GetRefCount () const noexcept |
| Get the reference counter of this object. | |
| void | IncrementRefCounter () noexcept |
| Increments the reference counter of this object. Uses relaxed memory ordering since incrementing only requires atomicity, not synchronization with other memory operations. | |
| int | DecrementRefCounter () noexcept |
| Decrements the reference counter of this object; returns the decremented value. Uses release ordering for the decrement to ensure all writes to the object are visible before the count reaches zero. An acquire fence is added only when the count reaches zero, ensuring proper synchronization before deletion. This is more efficient than using acq_rel for every decrement. | |
| virtual void | Delete () const |
| Memory deallocator for transient classes. | |
Additional Inherited Members | |
| typedef void | base_type |
| Returns a type descriptor about this object. | |
| static constexpr const char * | get_type_name () |
| Returns a type descriptor about this object. | |
| static const opencascade::handle< Standard_Type > & | get_type_descriptor () |
| Returns type descriptor of Standard_Transient class. | |
Defines unitary operations required to read an Entity from a File (see FileReaderData, FileReaderTool), under control of a FileReaderTool. The initial creation is performed by a GeneralModule (set in GeneralLib). Then, which remains is Loading data from the FileReaderData to the Entity.
To work, a GeneralModule has formerly recognized the Type read from FileReaderData as a positive Case Number, then the ReaderModule reads it according to this Case Number
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pure virtual |
Translates the type of record <num> in <data> to a positive Case Number. If Recognition fails, must return 0.
Implemented in IGESData_ReadWriteModule, and StepData_ReadWriteModule.
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virtual |
Specific operator (create+read) defaulted to do nothing. It can be redefined when it is not possible to work in two steps (NewVoid then Read). This occurs when no default constructor is defined : hence the result <ent> must be created with an effective definition from the reader. Remark : if NewRead is defined, Copy has nothing to do.
Returns True if it has produced something, false else. If nothing was produced, <ach> should be filled : it will be treated as "Unrecognized case" by reader tool.
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pure virtual |
Performs the effective loading from <data>, record <num>, to the Entity <ent> formerly created In case of Error or Warning, fills <ach> with messages Remark that the Case Number comes from translating a record.
Implemented in IGESData_ReadWriteModule, and StepData_ReadWriteModule.
1.17.0