Regina Calculation Engine
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A reader for an XML element that contains only characters. More...
#include <utilities/nxmlelementreader.h>
Public Member Functions | |
NXMLCharsReader () | |
Creates a new XML element reader. More... | |
const std::string & | getChars () |
Returns the characters stored in the XML element that has been read. More... | |
virtual void | initialChars (const std::string &chars) |
Signifies that the initial text belonging to this XML element has been read. More... | |
virtual void | startElement (const std::string &tagName, const regina::xml::XMLPropertyDict &tagProps, NXMLElementReader *parentReader) |
Signifies that parsing of this XML element is beginning. More... | |
virtual NXMLElementReader * | startSubElement (const std::string &subTagName, const regina::xml::XMLPropertyDict &subTagProps) |
Signifies that a subelement of this XML element is about to be parsed. More... | |
virtual void | endSubElement (const std::string &subTagName, NXMLElementReader *subReader) |
Signifies that parsing has finished for a subelement of this XML element. More... | |
virtual void | endElement () |
Signifies that parsing of this XML element is finished. More... | |
virtual void | usingParser (regina::xml::XMLParser *parser) |
Called for the top-level element in an XML file when parsing begins. More... | |
virtual void | abort (NXMLElementReader *subReader) |
Signifies that XML parsing has been aborted. More... | |
A reader for an XML element that contains only characters.
Any XML subelements will be ignored (as will any characters occurring after any subelements).
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inline |
Creates a new XML element reader.
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inlinevirtualinherited |
Signifies that XML parsing has been aborted.
This element reader will be destroyed shortly after this routine is called.
The default implementation does nothing.
subReader | the corresponding child reader if a subelement is currently being parsed, or 0 otherwise. If this parameter is non-zero, it is guaranteed that abort() has already been called upon the child reader and that the child reader has not yet been destroyed. |
Reimplemented in regina::NXMLPacketReader.
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inlinevirtualinherited |
Signifies that parsing of this XML element is finished.
It is guaranteed that endSubElement() has not yet been called upon the parent reader (if one exists).
The default implementation does nothing.
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inlinevirtualinherited |
Signifies that parsing has finished for a subelement of this XML element.
The default implementation does nothing.
subTagName | the name of the subelement closing tag. |
subReader | the child reader that was used to parse the subelement (this is the reader that was returned by the corresponding startSubElement() call). It is guaranteed that endElement() has already been called upon this child reader and that the child reader has not yet been destroyed. |
Reimplemented in regina::NXMLPacketReader, and regina::NXMLGroupPresentationReader.
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inline |
Returns the characters stored in the XML element that has been read.
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inlinevirtual |
Signifies that the initial text belonging to this XML element has been read.
The initial text is everything between the opening tag and the first subelement or closing tag.
The default implementation does nothing.
chars | the initial text for this element. |
Reimplemented from regina::NXMLElementReader.
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inlinevirtualinherited |
Signifies that parsing of this XML element is beginning.
The default implementation does nothing.
tagName | the name of the opening tag for this element. |
tagProps | the properties associated with the opening tag. |
parentReader | the reader currently parsing the parent XML element, or 0 if this is the top-level element. If this paraneter is non-zero, it is guaranteed that startSubElement() has already been called upon the parent reader. |
Reimplemented in regina::NXMLGroupPresentationReader, regina::NXMLNormalSurfaceReader, regina::NXMLAngleStructureReader, and regina::NXMLAbelianGroupReader.
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inlinevirtualinherited |
Signifies that a subelement of this XML element is about to be parsed.
The default implementation returns a new NXMLElementReader which can be used to ignore the subelement completely.
subTagName | the name of the subelement opening tag. |
subTagProps | the properties associated with the subelement opening tag. |
Reimplemented in regina::NXMLPacketReader, regina::NXMLGroupPresentationReader, regina::NXMLNormalSurfaceReader, and regina::NXMLAngleStructureReader.
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inlinevirtualinherited |
Called for the top-level element in an XML file when parsing begins.
This allows direct access to the parser if needed (for instance, to change the character encoding).
The default implementation does nothing.
parser | the current XML parser. |