Open CASCADE Technology 6.6.0
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Defines services which are required to load an InterfaceModel
from a File. Typically, it may firstly transform a system
file into a FileReaderData object, then work on it, not longer
considering file contents, to load an Interface Model.
It may also work on a FileReaderData already loaded.
FileReaderTool provides, on one hand, some general services
which are common to all read operations but can be redefined,
plus general actions to be performed specifically for each
Norm, as deferred methods to define.
In particular, FileReaderTool defines the Interface's Unknown
and Error entities
#include <Interface_FileReaderTool.hxx>
Public Member Functions | |
void | SetData (const Handle< Interface_FileReaderData > &reader, const Handle< Interface_Protocol > &protocol) |
Sets Data to a FileReaderData. Works with a Protocol | |
Handle_Interface_Protocol | Protocol () const |
Returns the Protocol given at creation time | |
Handle_Interface_FileReaderData | Data () const |
Returns the FileReaderData which is used to work | |
void | SetModel (const Handle< Interface_InterfaceModel > &amodel) |
Stores a Model. Used when the Model has been loaded | |
Handle_Interface_InterfaceModel | Model () const |
Returns the stored Model | |
void | SetMessenger (const Handle< Message_Messenger > &messenger) |
Sets Messenger used for outputting messages | |
Handle_Message_Messenger | Messenger () const |
Returns Messenger used for outputting messages. The returned object is guaranteed to be non-null; default is Message::Messenger(). | |
void | SetTraceLevel (const Standard_Integer tracelev) |
Sets trace level used for outputting messages | |
Standard_Integer | TraceLevel () const |
Returns trace level used for outputting messages. | |
void | SetErrorHandle (const Standard_Boolean err) |
Allows controlling whether exception raisings are handled If err is False, they are not (hence, dbx can take control) If err is True, they are, and they are traced (by putting on messenger Entity's Number and file record num) Default given at Model's creation time is True | |
Standard_Boolean | ErrorHandle () const |
Returns ErrorHandle flag | |
void | SetEntities () |
Fills records with empty entities; once done, each entity can ask the FileReaderTool for any entity referenced through an identifier. Calls Recognize which is specific to each specific type of FileReaderTool | |
virtual Standard_Boolean | Recognize (const Standard_Integer num, Handle< Interface_Check > &ach, Handle< Standard_Transient > &ent)=0 |
Recognizes a record, given its number. Specific to each Interface; called by SetEntities. It can call the basic method RecognizeByLib. Returns False if recognition has failed, True else. <ach> has not to be filled if simply Recognition has failed : it must record true error messages : RecognizeByLib can generate error messages if NewRead is called Note that it works thru a Recognizer (method Evaluate) which has to be memorized before starting | |
Standard_Boolean | RecognizeByLib (const Standard_Integer num, Interface_GeneralLib &glib, Interface_ReaderLib &rlib, Handle< Interface_Check > &ach, Handle< Standard_Transient > &ent) const |
Recognizes a record with the help of Libraries. Can be used to implement the method Recognize. <rlib> is used to find Protocol and CaseNumber to apply <glib> performs the creation (by service NewVoid, or NewRead if NewVoid gave no result) <ach> is a check, which is transmitted to NewRead if it is called, gives a result but which is false <ent> is the result Returns False if recognition has failed, True else | |
Handle_Standard_Transient | UnknownEntity () const |
Provides an unknown entity, specific to the Interface called by SetEntities when Recognize has failed (Unknown alone) or by LoadModel when an Entity has caused a Fail on reading (to keep at least its literal description) Uses Protocol to do it | |
Handle_Interface_InterfaceModel | NewModel () const |
Creates an empty Model of the norm. Uses Protocol to do it | |
void | LoadModel (const Handle< Interface_InterfaceModel > &amodel) |
Reads and fills Entities from the FileReaderData set by SetData to an InterfaceModel. It enchains required operations, the specific ones correspond to deferred methods (below) to be defined for each Norm. It manages also error recovery and trace. Remark : it calls SetModel. It Can raise any error which can occur during a load operation, unless Error Handling is set. This method can also be redefined if judged necessary. | |
Handle_Standard_Transient | LoadedEntity (const Standard_Integer num) |
Reads, Fills and Returns one Entity read from a Record of the FileReaderData. This Method manages also case of Fail or Warning, by producing a ReportEntyty plus , for a Fail, a literal Content (as an UnknownEntity). Performs also Trace | |
virtual void | BeginRead (const Handle< Interface_InterfaceModel > &amodel)=0 |
Fills model's header; each Interface defines for its Model its own file header; this method fills it from FileReaderTool.+ It is called by AnalyseFile from InterfaceModel | |
virtual Standard_Boolean | AnalyseRecord (const Standard_Integer num, const Handle< Standard_Transient > &anent, Handle< Interface_Check > &acheck)=0 |
Fills an Entity, given record no; specific to each Interface, called by AnalyseFile from InterfaceModel (which manages its calling arguments) To work, each Interface can define a method in its proper Transient class, like this (given as an example) : AnalyseRecord (me : mutable; FR : in out FileReaderTool; num : Integer; acheck : in out Check) returns Boolean; and call it from AnalyseRecord Returned Value : True if the entity could be loaded, False else (in case of syntactic fail) | |
virtual void | Destroy () |
virtual | ~Interface_FileReaderTool () |
virtual void | EndRead (const Handle< Interface_InterfaceModel > &amodel) |
Ends file reading after reading all the entities default is doing nothing; redefinable as necessary | |
void | Clear () |
Clear filelds | |
Protected Member Functions | |
Interface_FileReaderTool () | |
Constructor; sets default fields |
virtual Interface_FileReaderTool::~Interface_FileReaderTool | ( | ) | [inline, virtual] |
Interface_FileReaderTool::Interface_FileReaderTool | ( | ) | [protected] |
virtual Standard_Boolean Interface_FileReaderTool::AnalyseRecord | ( | const Standard_Integer | num, |
const Handle< Standard_Transient > & | anent, | ||
Handle< Interface_Check > & | acheck | ||
) | [pure virtual] |
Implemented in StepData_StepReaderTool, and IGESData_IGESReaderTool.
virtual void Interface_FileReaderTool::BeginRead | ( | const Handle< Interface_InterfaceModel > & | amodel | ) | [pure virtual] |
Implemented in StepData_StepReaderTool, and IGESData_IGESReaderTool.
void Interface_FileReaderTool::Clear | ( | ) |
Handle_Interface_FileReaderData Interface_FileReaderTool::Data | ( | ) | const |
virtual void Interface_FileReaderTool::Destroy | ( | ) | [virtual] |
virtual void Interface_FileReaderTool::EndRead | ( | const Handle< Interface_InterfaceModel > & | amodel | ) | [virtual] |
Reimplemented in StepData_StepReaderTool, and IGESData_IGESReaderTool.
Standard_Boolean Interface_FileReaderTool::ErrorHandle | ( | ) | const |
Handle_Standard_Transient Interface_FileReaderTool::LoadedEntity | ( | const Standard_Integer | num | ) |
void Interface_FileReaderTool::LoadModel | ( | const Handle< Interface_InterfaceModel > & | amodel | ) |
Handle_Message_Messenger Interface_FileReaderTool::Messenger | ( | ) | const |
Handle_Interface_InterfaceModel Interface_FileReaderTool::Model | ( | ) | const |
Handle_Interface_InterfaceModel Interface_FileReaderTool::NewModel | ( | ) | const |
Handle_Interface_Protocol Interface_FileReaderTool::Protocol | ( | ) | const |
virtual Standard_Boolean Interface_FileReaderTool::Recognize | ( | const Standard_Integer | num, |
Handle< Interface_Check > & | ach, | ||
Handle< Standard_Transient > & | ent | ||
) | [pure virtual] |
Implemented in StepData_StepReaderTool, and IGESData_IGESReaderTool.
Standard_Boolean Interface_FileReaderTool::RecognizeByLib | ( | const Standard_Integer | num, |
Interface_GeneralLib & | glib, | ||
Interface_ReaderLib & | rlib, | ||
Handle< Interface_Check > & | ach, | ||
Handle< Standard_Transient > & | ent | ||
) | const |
void Interface_FileReaderTool::SetData | ( | const Handle< Interface_FileReaderData > & | reader, |
const Handle< Interface_Protocol > & | protocol | ||
) |
void Interface_FileReaderTool::SetEntities | ( | ) |
void Interface_FileReaderTool::SetErrorHandle | ( | const Standard_Boolean | err | ) |
void Interface_FileReaderTool::SetMessenger | ( | const Handle< Message_Messenger > & | messenger | ) |
void Interface_FileReaderTool::SetModel | ( | const Handle< Interface_InterfaceModel > & | amodel | ) |
void Interface_FileReaderTool::SetTraceLevel | ( | const Standard_Integer | tracelev | ) |
Standard_Integer Interface_FileReaderTool::TraceLevel | ( | ) | const |
Handle_Standard_Transient Interface_FileReaderTool::UnknownEntity | ( | ) | const |