nirt::io::IIrrXMLReader< char_type, super_class > Class Template Reference

Interface providing easy read access to a XML file. More...

#include <nirtcpp/core/engine/irrXML.hpp>

Inheritance diagram for nirt::io::IIrrXMLReader< char_type, super_class >:

Collaboration diagram for nirt::io::IIrrXMLReader< char_type, super_class >:

Public Member Functions
virtual	~IIrrXMLReader ()
	Destructor.
virtual bool	read ()=0
	Reads forward to the next xml node.
virtual EXML_NODE	getNodeType () const =0
	Returns the type of the current XML node.
virtual unsigned int	getAttributeCount () const =0
	Returns attribute count of the current XML node.
virtual const char_type *	getAttributeName (int idx) const =0
	Returns name of an attribute.
virtual const char_type *	getAttributeValue (int idx) const =0
	Returns the value of an attribute.
virtual const char_type *	getAttributeValue (const char_type *name) const =0
	Returns the value of an attribute.
virtual const char_type *	getAttributeValueSafe (const char_type *name) const =0
	Returns the value of an attribute in a safe way.
virtual int	getAttributeValueAsInt (const char_type *name, int defaultNotFound=0) const =0
	Returns the value of an attribute as integer.
virtual int	getAttributeValueAsInt (int idx, int defaultNotFound=0) const =0
	Returns the value of an attribute as integer.
virtual float	getAttributeValueAsFloat (const char_type *name, float defaultNotFound=0.f) const =0
	Returns the value of an attribute as float.
virtual float	getAttributeValueAsFloat (int idx, float defaultNotFound=0.f) const =0
	Returns the value of an attribute as float.
virtual const char_type *	getNodeName () const =0
	Returns the name of the current node.
virtual const char_type *	getNodeData () const =0
	Returns data of the current node.
virtual bool	isEmptyElement () const =0
	Returns if an element is an empty element, like <foo />
virtual ETEXT_FORMAT	getSourceFormat () const =0
	Returns format of the source xml file.
virtual ETEXT_FORMAT	getParserFormat () const =0
	Returns format of the strings returned by the parser.

Detailed Description

template<class char_type, class super_class>
class nirt::io::IIrrXMLReader< char_type, super_class >

Interface providing easy read access to a XML file.

You can create an instance of this reader using one of the factory functions createIrrXMLReader(), createIrrXMLReaderUTF16() and createIrrXMLReaderUTF32(). If using the parser from the Nirtcpp Engine, please use IFileSystem::createXMLReader() instead. For a detailed intro how to use the parser, see Example and Features.

The typical usage of this parser looks like this:

#include <irrXML.h>
using namespace nirt; // irrXML is located in the namespace nirt::io
using namespace io;
 
void main()
{
    // create the reader using one of the factory functions
    IrrXMLReader* xml = createIrrXMLReader("config.xml");
 
    if (xml == 0)
        return; // file could not be opened
 
    // parse the file until end reached
    while(xml->read())
    {
        // based on xml->getNodeType(), do something.
    }
 
    // delete the xml parser after usage
    delete xml;
}

See Example for a more detailed example.

Member Function Documentation

getAttributeCount()

template<class char_type , class super_class >

virtual unsigned int nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeCount ( ) const

pure virtual

Returns attribute count of the current XML node.

This is usually non null if the current node is EXN_ELEMENT, and the element has attributes.

Returns

Returns amount of attributes of this xml node.

getAttributeName()

template<class char_type , class super_class >

virtual const char_type * nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeName ( int  idx ) const

pure virtual

Returns name of an attribute.

Parameters

idx	Zero based index, should be something between 0 and getAttributeCount()-1.

Returns

Name of the attribute, 0 if an attribute with this index does not exist.

getAttributeValue() [1/2]

template<class char_type , class super_class >

virtual const char_type * nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValue ( const char_type *  name ) const

pure virtual

Returns the value of an attribute.

Parameters

name	Name of the attribute.

Returns

Value of the attribute, 0 if an attribute with this name does not exist.

getAttributeValue() [2/2]

template<class char_type , class super_class >

virtual const char_type * nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValue ( int  idx ) const

pure virtual

Returns the value of an attribute.

Parameters

idx	Zero based index, should be something between 0 and getAttributeCount()-1.

Returns

Value of the attribute, 0 if an attribute with this index does not exist.

getAttributeValueAsFloat() [1/2]

template<class char_type , class super_class >

virtual float nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValueAsFloat ( const char_type *  name, float  defaultNotFound = 0.f  ) const

pure virtual

Returns the value of an attribute as float.

Parameters

name	Name of the attribute.
defaultNotFound	Value returned when name does not exist.

Returns

Value of the attribute as float or value of defaultNotFound parameter on failure or 0 when value could not be interpreted as float.

getAttributeValueAsFloat() [2/2]

template<class char_type , class super_class >

virtual float nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValueAsFloat ( int  idx, float  defaultNotFound = 0.f  ) const

pure virtual

Returns the value of an attribute as float.

Parameters

idx	Zero based index, should be something between 0 and getAttributeCount()-1.
defaultNotFound	Value returned when index does not exist.

Returns

Value of the attribute as float or value of defaultNotFound parameter on failure or 0 when value could not be interpreted as float.

getAttributeValueAsInt() [1/2]

template<class char_type , class super_class >

virtual int nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValueAsInt ( const char_type *  name, int  defaultNotFound = 0  ) const

pure virtual

Returns the value of an attribute as integer.

Parameters

name	Name of the attribute.
defaultNotFound	Value returned when name does not exist

Returns

Value of the attribute as integer or value of defaultNotFound when name was not found or 0 when value could not be interpreted as integer

getAttributeValueAsInt() [2/2]

template<class char_type , class super_class >

virtual int nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValueAsInt ( int  idx, int  defaultNotFound = 0  ) const

pure virtual

Returns the value of an attribute as integer.

Parameters

idx	Zero based index, should be something between 0 and getAttributeCount()-1.
defaultNotFound	Value returned when index does not exist.

Returns

Value of the attribute as integer or value of defaultNotFound parameter for invalid index or 0 when value could not be interpreted as integer

getAttributeValueSafe()

template<class char_type , class super_class >

virtual const char_type * nirt::io::IIrrXMLReader< char_type, super_class >::getAttributeValueSafe ( const char_type *  name ) const

pure virtual

Returns the value of an attribute in a safe way.

Like getAttributeValue(), but does not return 0 if the attribute does not exist. An empty string ("") is returned then.

Parameters

name	Name of the attribute.

Returns

Value of the attribute, and "" if an attribute with this name does not exist

getNodeData()

template<class char_type , class super_class >

virtual const char_type * nirt::io::IIrrXMLReader< char_type, super_class >::getNodeData ( ) const

pure virtual

Returns data of the current node.

Only valid if the node has some data and it is of type EXN_TEXT, EXN_COMMENT, EXN_CDATA or EXN_UNKNOWN.

getNodeName()

template<class char_type , class super_class >

virtual const char_type * nirt::io::IIrrXMLReader< char_type, super_class >::getNodeName ( ) const

pure virtual

Returns the name of the current node.

Only valid, if the node type is EXN_ELEMENT.

Returns

Name of the current node or 0 if the node has no name.

getParserFormat()

template<class char_type , class super_class >

virtual ETEXT_FORMAT nirt::io::IIrrXMLReader< char_type, super_class >::getParserFormat ( ) const

pure virtual

Returns format of the strings returned by the parser.

This will be UTF8 for example when you created a parser with IrrXMLReaderUTF8() and UTF32 when it has been created using IrrXMLReaderUTF32. It should not be necessary to call this method and only exists for informational purposes.

getSourceFormat()

template<class char_type , class super_class >

virtual ETEXT_FORMAT nirt::io::IIrrXMLReader< char_type, super_class >::getSourceFormat ( ) const

pure virtual

Returns format of the source xml file.

It is not necessary to use this method because the parser will convert the input file format to the format wanted by the user when creating the parser. This method is useful to get/display additional information.

read()

template<class char_type , class super_class >

virtual bool nirt::io::IIrrXMLReader< char_type, super_class >::read ( )

pure virtual

Reads forward to the next xml node.

Returns

Returns false, if there was no further node.

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The documentation for this class was generated from the following file:

• include/nirtcpp/core/engine/irrXML.hpp