A packet that accepts or rejects normal surfaces. More...
#include <nsurfacefilter.h>
Public Member Functions | |
NSurfaceFilter () | |
Creates a new default surface filter. | |
NSurfaceFilter (const NSurfaceFilter &cloneMe) | |
Creates a new default surface filter. | |
virtual | ~NSurfaceFilter () |
Destroys this surface filter. | |
virtual bool | accept (const NNormalSurface &surface) const |
Decides whether or not the given normal surface is accepted by this filter. | |
virtual int | getFilterID () const |
Returns the unique integer ID corresponding to the filtering method that is this particular subclass of NSurfaceFilter. | |
virtual std::string | getFilterName () const |
Returns a string description of the filtering method that is this particular subclass of NSurfaceFilter. | |
virtual int | getPacketType () const |
Returns the integer ID representing this type of packet. | |
virtual std::string | getPacketTypeName () const |
Returns an English name for this type of packet. | |
virtual void | writeTextShort (std::ostream &out) const |
Writes this object in short text format to the given output stream. | |
virtual void | writePacket (NFile &out) const |
Writes the packet details to the given old-style binary file. | |
virtual bool | dependsOnParent () const |
Determines if this packet depends upon its parent. | |
Static Public Member Functions | |
static NXMLFilterReader * | getXMLFilterReader (NPacket *parent) |
Returns a newly created XML filter reader that will read the details of a particular type of surface filter. | |
static NSurfaceFilter * | readFilter (NFile &in, NPacket *parent) |
Reads the details of a normal surface filter from the specified old-style binary file and returns a newly created filter containing that information. | |
static NXMLPacketReader * | getXMLReader (NPacket *parent) |
static NSurfaceFilter * | readPacket (NFile &in, NPacket *parent) |
Static Public Attributes | |
static const int | filterID |
Contains the integer ID for this type of surface filter. | |
static const int | packetType |
Contains the integer ID for this packet. | |
Protected Member Functions | |
virtual void | writeXMLFilterData (std::ostream &out) const |
Writes a chunk of XML containing the details of this filter. | |
virtual void | writeFilter (NFile &out) const |
Writes the details of this filter to the given old-style binary file. | |
virtual void | writeProperties (NFile &out) const |
Writes to the given old-style binary file any properties associated specifically with this particular subclass of NSurfaceFilter. | |
virtual NPacket * | internalClonePacket (NPacket *parent) const |
virtual void | writeXMLPacketData (std::ostream &out) const |
Writes a chunk of XML containing the data for this packet only. | |
virtual void | readIndividualProperty (NFile &infile, unsigned propType) |
Reads an individual property from an old-style binary file. |
A packet that accepts or rejects normal surfaces.
Different subclasses of NSurfaceFilter represent different filtering methods.
When deriving classes from NSurfaceFilter:
class(const class& cloneMe)
must be declared and implemented. You may assume that parameter cloneMe is of the same class as that whose constructor you are writing. public static const int filterID
must be declared. The registry utilities will take care of assigning it a value. regina::NSurfaceFilter::NSurfaceFilter | ( | ) | [inline] |
Creates a new default surface filter.
This will simply accept all normal surfaces.
regina::NSurfaceFilter::NSurfaceFilter | ( | const NSurfaceFilter & | cloneMe | ) | [inline] |
Creates a new default surface filter.
This will simply accept all normal surfaces. Note that the given parameter is ignored.
cloneMe | this parameter is ignored. |
regina::NSurfaceFilter::~NSurfaceFilter | ( | ) | [inline, virtual] |
Destroys this surface filter.
bool regina::NSurfaceFilter::accept | ( | const NNormalSurface & | surface | ) | const [inline, virtual] |
Decides whether or not the given normal surface is accepted by this filter.
The default implementation simply returns true
.
surface | the normal surface under investigation. |
true
if and only if the given surface is accepted by this filter. Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
bool regina::NSurfaceFilter::dependsOnParent | ( | ) | const [inline, virtual] |
Determines if this packet depends upon its parent.
This is true if the parent cannot be altered without invalidating or otherwise upsetting this packet.
true
if and only if this packet depends on its parent. Implements regina::NPacket.
virtual int regina::NSurfaceFilter::getFilterID | ( | ) | const [virtual] |
Returns the unique integer ID corresponding to the filtering method that is this particular subclass of NSurfaceFilter.
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
virtual std::string regina::NSurfaceFilter::getFilterName | ( | ) | const [virtual] |
Returns a string description of the filtering method that is this particular subclass of NSurfaceFilter.
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
virtual int regina::NSurfaceFilter::getPacketType | ( | ) | const [virtual] |
Returns the integer ID representing this type of packet.
This is the same for all packets of this class.
Implements regina::NPacket.
virtual std::string regina::NSurfaceFilter::getPacketTypeName | ( | ) | const [virtual] |
Returns an English name for this type of packet.
An example is NTriangulation
. This is the same for all packets of this class.
Implements regina::NPacket.
static NXMLFilterReader* regina::NSurfaceFilter::getXMLFilterReader | ( | NPacket * | parent | ) | [static] |
Returns a newly created XML filter reader that will read the details of a particular type of surface filter.
You may assume that the filter to be read is of the same type as the class in which you are implementing this routine.
The XML filter reader should read exactly what writeXMLFilterData() writes, and vice versa.
parent represents the packet which will become the new filter's parent in the tree structure. This information is for reference only, and need not be used. See the description of parameter parent in NPacket::getXMLReader() for further details.
parent | the packet which will become the new filter's parent in the tree structure, or 0 if the new filter is to be tree matriarch. |
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
static NSurfaceFilter* regina::NSurfaceFilter::readFilter | ( | NFile & | in, | |
NPacket * | parent | |||
) | [static] |
Reads the details of a normal surface filter from the specified old-style binary file and returns a newly created filter containing that information.
You may assume that the filter is of the same class as the class in which you are implementing this routine. The newly created filter must also be of this type.
The general packet information and the filter ID may be assumed to have already been read from the file, and should not be reread. The readFilter() routine should read exactly what writeFilter() writes, and vice versa.
Properties should not be read from here; this will be done later by another routine.
parent represents the packet which will become the new filter's parent in the tree structure. This information is for reference only, and need not be used. See the description of parameter parent in NPacket::readPacket() for further details.
New filter types should make this routine simply return 0 since this file format is now obsolete, and older calculation engines will not understand newer filter types anyway.
in | the file from which to read the filter. | |
parent | the packet which will become the new filter's parent in the tree structure, or 0 if the new filter is to be tree matriarch. |
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
virtual void regina::NSurfaceFilter::readIndividualProperty | ( | NFile & | infile, | |
unsigned | propType | |||
) | [protected, virtual] |
Reads an individual property from an old-style binary file.
The property type and bookmarking details should not read; merely the contents of the property that are written to file between NFile::writePropertyHeader() and NFile::writePropertyFooter(). See the NFile::writePropertyHeader() notes for details.
The property type of the property to be read will be passed in propType. If the property type is unrecognised, this routine should simply do nothing and return. If the property type is recognised, this routine should read the property and process it accordingly (e.g., store it in whatever data object is currently being read).
infile | the file from which to read the property. This should be open for reading and at the position immediately after writePropertyHeader() would have been called during the corresponding write operation. | |
propType | the property type of the property about to be read. |
Implements regina::NFilePropertyReader.
Reimplemented in regina::NSurfaceFilterProperties.
void regina::NSurfaceFilter::writeFilter | ( | NFile & | out | ) | const [inline, protected, virtual] |
Writes the details of this filter to the given old-style binary file.
You may assume that general packet information and the filter ID have already been written. Only the actual data stored for this particular subclass of NSurfaceFilter need be written.
Properties should not be written from here; this will be done later by another routine.
The default implementation for this routine does nothing; new filter types should not implement this routine since this file format is now obsolete, and older calculation engines will simply skip unknown filter types when reading from binary files.
out | the file to be written to. |
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
virtual void regina::NSurfaceFilter::writePacket | ( | NFile & | out | ) | const [virtual] |
Writes the packet details to the given old-style binary file.
You may assume that the packet type and label have already been written. Only the actual data stored in the packet need be written.
The default implementation for this routine does nothing; new packet types should not implement this routine since this file format is now obsolete, and older calculation engines will simply skip unknown packet types when reading from binary files.
out | the file to be written to. |
Reimplemented from regina::NPacket.
virtual void regina::NSurfaceFilter::writeProperties | ( | NFile & | out | ) | const [protected, virtual] |
Writes to the given old-style binary file any properties associated specifically with this particular subclass of NSurfaceFilter.
This routine should consist of a call to the superclass implementation followed by a series of writePropertyHeader() and writePropertyFooter() calls with property information being written inside these pairs.
This routine should not call writeAllPropertiesFooter().
The default implementation for this routine does nothing; new filter types should not implement this routine since this file format is now obsolete, and older calculation engines will simply skip unknown filter types when reading from binary files.
out | the file to be written to. |
Reimplemented in regina::NSurfaceFilterProperties.
void regina::NSurfaceFilter::writeTextShort | ( | std::ostream & | out | ) | const [inline, virtual] |
Writes this object in short text format to the given output stream.
The output should fit on a single line and no newline should be written.
out | the output stream to which to write. |
Implements regina::ShareableObject.
void regina::NSurfaceFilter::writeXMLFilterData | ( | std::ostream & | out | ) | const [inline, protected, virtual] |
Writes a chunk of XML containing the details of this filter.
You may assume that the filter opening tag (including the filter type) has already been written, and that the filter closing tag will be written immediately after this routine is called. This routine need only write the additional details corresponding to this particular subclass of NSurfaceFilter.
out | the output stream to which the XML should be written. |
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
virtual void regina::NSurfaceFilter::writeXMLPacketData | ( | std::ostream & | out | ) | const [protected, virtual] |
Writes a chunk of XML containing the data for this packet only.
You may assume that the packet opening tag (including the packet type and label) has already been written, and that all child packets followed by the corresponding packet closing tag will be written immediately after this routine is called. This routine need only write the internal data stored in this specific packet.
out | the output stream to which the XML should be written. |
Implements regina::NPacket.
const int regina::NSurfaceFilter::filterID [static] |
Contains the integer ID for this type of surface filter.
Each distinct filtering class must have a unique ID, and this should be a non-negative integer. See filterregistry.h for further details.
This member must be declared for every filtering class that will be instantiated. A value need not be assigned; filterregistry.h will take care of this task when you register the filtering class.
Reimplemented in regina::NSurfaceFilterCombination, and regina::NSurfaceFilterProperties.
const int regina::NSurfaceFilter::packetType [static] |
Contains the integer ID for this packet.
Each distinct packet type must have a unique ID, and this should be a positive integer. See packetregistry.h for further requirements regarding ID selection.
This member is not actually provided for NPacket itself, but must be declared for every packet subclass that will be instantiated. A value need not be assigned; packetregistry.h will take care of this task when you register the packet.
Reimplemented from regina::NPacket.