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The XMLReader class
Введение
The XMLReader extension is an XML Pull parser. The reader acts as a cursor going forward on the document stream and stopping at each node on the way.
Class synopsis
XMLReader
class XMLReader {
/* Constants */
const int $XMLReader::NONE =0 ;
const int $XMLReader::ELEMENT =1 ;
const int $XMLReader::ATTRIBUTE =2 ;
const int $XMLReader::TEXT =3 ;
const int $XMLReader::CDATA =4 ;
const int $XMLReader::ENTITY_REF =5 ;
const int $XMLReader::ENTITY =6 ;
const int $XMLReader::PI =7 ;
const int $XMLReader::COMMENT =8 ;
const int $XMLReader::DOC =9 ;
const int $XMLReader::DOC_TYPE =10 ;
const int $XMLReader::DOC_FRAGMENT =11 ;
const int $XMLReader::NOTATION =12 ;
const int $XMLReader::WHITESPACE =13 ;
const int $XMLReader::SIGNIFICANT_WHITESPACE =14 ;
const int $XMLReader::END_ELEMENT =15 ;
const int $XMLReader::END_ENTITY =16 ;
const int $XMLReader::XML_DECLARATION =17 ;
const int $XMLReader::LOADDTD =1 ;
const int $XMLReader::DEFAULTATTRS =2 ;
const int $XMLReader::VALIDATE =3 ;
const int $XMLReader::SUBST_ENTITIES =4 ;
/* Properties */
public readonly int $attributeCount ;
public readonly string $baseURI ;
public readonly int $depth ;
public readonly bool $hasAttributes ;
public readonly bool $hasValue ;
public readonly bool $isDefault ;
public readonly bool $isEmptyElement ;
public readonly string $localName ;
public readonly string $name ;
public readonly string $namespaceURI ;
public readonly int $nodeType ;
public readonly string $prefix ;
public readonly string $value ;
public readonly string $xmlLang ;
/* Methods */
bool close ( void )
DOMNode expand ( void )
string getAttribute ( string $name )
string getAttributeNo ( int $index )
string getAttributeNs ( string $localName , string $namespaceURI )
bool getParserProperty ( int $property )
bool isValid ( void )
bool lookupNamespace ( string $prefix )
bool moveToAttribute ( string $name )
bool moveToAttributeNo ( int $index )
bool moveToAttributeNs ( string $localName , string $namespaceURI )
bool moveToElement ( void )
bool moveToFirstAttribute ( void )
bool moveToNextAttribute ( void )
bool next ([ string $localname ] )
bool open ( string $URI [, string $encoding [, int $options ]] )
bool read ( void )
bool setParserProperty ( int $property , bool $value )
bool setRelaxNGSchema ( string $filename )
bool setRelaxNGSchemaSource ( string $source )
bool xml ( string $source [, string $encoding [, int $options ]] )
}
Свойства
- attributeCount
-
The number of attributes on the node
- baseURI
-
The base URI of the node
- depth
-
Depth of the node in the tree, starting at 0
- hasAttributes
-
Indicates if node has attributes
- hasValue
-
Indicates if node has a text value
- isDefault
-
Indicates if attribute is defaulted from DTD
- isEmptyElement
-
Indicates if node is an empty element tag
- localName
-
The local name of the node
- name
-
The qualified name of the node
- namespaceURI
-
The URI of the namespace associated with the node
- nodeType
-
The node type for the node
- prefix
-
The prefix of the namespace associated with thenode
- value
-
The text value of the node
- xmlLang
-
The xml:lang scope which the node resides
Предопределенные константы
XMLReader Node Types
- XMLReader::NONE
-
No node type
- XMLReader::ELEMENT
-
Start element
- XMLReader::ATTRIBUTE
-
Attribute node
- XMLReader::TEXT
-
Text node
- XMLReader::CDATA
-
CDATA node
- XMLReader::ENTITY_REF
-
Entity Reference node
- XMLReader::ENTITY
-
Entity Declaration node
- XMLReader::PI
-
Processing Instruction node
- XMLReader::COMMENT
-
Comment node
- XMLReader::DOC
-
Document node
- XMLReader::DOC_TYPE
-
Document Type node
- XMLReader::DOC_FRAGMENT
-
Document Fragment node
- XMLReader::NOTATION
-
Notation node
- XMLReader::WHITESPACE
-
Whitespace node
- XMLReader::SIGNIFICANT_WHITESPACE
-
Significant Whitespace node
- XMLReader::END_ELEMENT
-
End Element
- XMLReader::END_ENTITY
-
End Entity
- XMLReader::XML_DECLARATION
-
XML Declaration node
XMLReader Parser Options
- XMLReader::LOADDTD
-
Load DTD but do not validate
- XMLReader::DEFAULTATTRS
-
Load DTD and default attributes but do not validate
- XMLReader::VALIDATE
-
Load DTD and validate while parsing
- XMLReader::SUBST_ENTITIES
-
Substitute entities and expand references
Содержание
- XMLReader::close — Close the XMLReader input
- XMLReader::expand — Returns a copy of the current node as a DOM object
- XMLReader::getAttribute — Get the value of a named attribute
- XMLReader::getAttributeNo — Get the value of an attribute by index
- XMLReader::getAttributeNs — Get the value of an attribute by localname and URI
- XMLReader::getParserProperty — Indicates if specified property has been set
- XMLReader::isValid — Indicates if the parsed document is valid
- XMLReader::lookupNamespace — Lookup namespace for a prefix
- XMLReader::moveToAttribute — Move cursor to a named attribute
- XMLReader::moveToAttributeNo — Move cursor to an attribute by index
- XMLReader::moveToAttributeNs — Move cursor to a named attribute
- XMLReader::moveToElement — Position cursor on the parent Element of current Attribute
- XMLReader::moveToFirstAttribute — Position cursor on the first Attribute
- XMLReader::moveToNextAttribute — Position cursor on the next Attribute
- XMLReader::next — Move cursor to next node skipping all subtrees
- XMLReader::open — Set the URI containing the XML to parse
- XMLReader::read — Move to next node in document
- XMLReader::setParserProperty — Set or Unset parser options
- XMLReader::setRelaxNGSchema — Set the filename or URI for a RelaxNG Schema
- XMLReader::setRelaxNGSchemaSource — Set the data containing a RelaxNG Schema
- XMLReader::XML — Set the data containing the XML to parse