21 Aug 2004 02:34:03 UTC
- Distribution: libxml-perl
- Module version: 0.08
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- Latest version++ed by:2 non-PAUSE usersKMACLEOD Ken MacLeod
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XML::Parser::PerlSAX - Perl SAX parser using XML::Parser
use XML::Parser::PerlSAX; $parser = XML::Parser::PerlSAX->new( [OPTIONS] ); $result = $parser->parse( [OPTIONS] ); $result = $parser->parse($string);
XML::Parser::PerlSAXis a PerlSAX parser using the XML::Parser module. This man page summarizes the specific options, handlers, and properties supported by
XML::Parser::PerlSAX; please refer to the PerlSAX standard in `
PerlSAX.pod' for general usage information.
Creates a new parser object. Default options for parsing, described below, are passed as key-value pairs or as a single hash. Options may be changed directly in the parser object unless stated otherwise. Options passed to `
parse()' override the default options in the parser object for the duration of the parse.
Parses a document. Options, described below, are passed as key-value pairs or as a single hash. Options passed to `
parse()' override default options in the parser object.
Returns the location as a hash:
ColumnNumber The column number of the parse. LineNumber The line number of the parse. BytePosition The current byte position of the parse. PublicId A string containing the public identifier, or undef if none is available. SystemId A string containing the system identifier, or undef if none is available. Base The current value of the base for resolving relative URIs.
ALPHA WARNING: The `
SystemId' and `
PublicId' properties returned are the system and public identifiers of the document passed to `
parse()', not the identifiers of the currently parsing external entity. The column, line, and byte positions are of the current entity being parsed.
The following options are supported by
Handler default handler to receive events DocumentHandler handler to receive document events DTDHandler handler to receive DTD events ErrorHandler handler to receive error events EntityResolver handler to resolve entities Locale locale to provide localisation for errors Source hash containing the input source for parsing UseAttributeOrder set to true to provide AttributeOrder and Defaulted properties in `start_element()'
If no handlers are provided then all events will be silently ignored, except for `
fatal_error()' which will cause a `
die()' to be called after calling `
If a single string argument is passed to the `
parse()' method, it is treated as if a `
Source' option was given with a `
Source' hash may contain the following parameters:
ByteStream The raw byte stream (file handle) containing the document. String A string containing the document. SystemId The system identifier (URI) of the document. PublicId The public identifier. Encoding A string describing the character encoding.
If more than one of `
String', or `
SystemId', then preference is given first to `
ByteStream', then `
String', then `
The following handlers and properties are supported by
Receive notification of the beginning of a document.
No properties defined.
Receive notification of the end of a document.
No properties defined.
Receive notification of the beginning of an element.
Name The element type name. Attributes A hash containing the attributes attached to the element, if any.
Attributes' hash contains only string values.
If the `
UseAttributeOrder' parser option is true, the following properties are also passed to `
AttributeOrder An array of attribute names in the order they were specified, followed by the defaulted attribute names. Defaulted The index number of the first defaulted attribute in `AttributeOrder. If this index is equal to the length of `AttributeOrder', there were no defaulted values.
Defaulted' will be half the value of
specified_attr()' function because only attribute names are provided, not their values.
Receive notification of the end of an element.
Name The element type name.
Receive notification of character data.
Data The characters from the XML document.
Receive notification of a processing instruction.
Target The processing instruction target. Data The processing instruction data, if any.
Receive notification of a comment.
Data The comment data, if any.
Receive notification of the start of a CDATA section.
No properties defined.
Receive notification of the end of a CDATA section.
No properties defined.
Receive notification of an internal entity reference. If this handler is defined, internal entities will not be expanded and not passed to the `
characters()' handler. If this handler is not defined, internal entities will be expanded if possible and passed to the `
Name The entity reference name Value The entity reference value
Receive notification of a notation declaration event.
Name The notation name. PublicId The notation's public identifier, if any. SystemId The notation's system identifier, if any. Base The base for resolving a relative URI, if any.
Receive notification of an unparsed entity declaration event.
Name The unparsed entity's name. SystemId The entity's system identifier. PublicId The entity's public identifier, if any. Base The base for resolving a relative URI, if any.
Receive notification of an entity declaration event.
Name The entity name. Value The entity value, if any. PublicId The notation's public identifier, if any. SystemId The notation's system identifier, if any. Notation The notation declared for this entity, if any.
For internal entities, the `
Value' parameter will contain the value and the `
SystemId', and `
Notation' will be undefined. For external entities, the `
Value' parameter will be undefined, the `
SystemId' parameter will have the system id, the `
PublicId' parameter will have the public id if it was provided (it will be undefined otherwise), the `
Notation' parameter will contain the notation name for unparsed entities. If this is a parameter entity declaration, then a '%' will be prefixed to the entity name.
Note that `
entity_decl()' and `
unparsed_entity_decl()' overlap. If both methods are implemented by a handler, then this handler will not be called for unparsed entities.
Receive notification of an element declaration event.
Name The element type name. Model The content model as a string.
Receive notification of an attribute list declaration event.
This handler is called for each attribute in an ATTLIST declaration found in the internal subset. So an ATTLIST declaration that has multiple attributes will generate multiple calls to this handler.
ElementName The element type name. AttributeName The attribute name. Type The attribute type. Fixed True if this is a fixed attribute.
The default for `
Type' is the default value, which will either be "#REQUIRED", "#IMPLIED" or a quoted string (i.e. the returned string will begin and end with a quote character).
Receive notification of a DOCTYPE declaration event.
Name The document type name. SystemId The document's system identifier. PublicId The document's public identifier, if any. Internal The internal subset as a string, if any.
Internal will contain all whitespace, comments, processing instructions, and declarations seen in the internal subset. The declarations will be there whether or not they have been processed by another handler (except for unparsed entities processed by the Unparsed handler). However, comments and processing instructions will not appear if they've been processed by their respective handlers.
Receive notification of an XML declaration event.
Version The version. Encoding The encoding string, if any. Standalone True, false, or undefined if not declared.
Allow the handler to resolve external entities.
Name The notation name. SystemId The notation's system identifier. PublicId The notation's public identifier, if any. Base The base for resolving a relative URI, if any.
resolve_entity()' should return undef to request that the parser open a regular URI connection to the system identifier or a hash describing the new input source. This hash has the same properties as the `
Source' parameter to `
PublicId The public identifier of the external entity being referenced, or undef if none was supplied. SystemId The system identifier of the external entity being referenced. String String containing XML text ByteStream An open file handle. CharacterStream An open file handle. Encoding The character encoding, if known.
Ken MacLeod, email@example.com
Extensible Markup Language (XML) <http://www.w3c.org/XML/> SAX 1.0: The Simple API for XML <http://www.megginson.com/SAX/>
1 POD Error
The following errors were encountered while parsing the POD:
- Around line 528:
You forgot a '=back' before '=head1'