Method Parser.XML.Validating()->get_external_entity()

Method get_external_entity

string get_external_entity(string sysid, string|void pubid, mapping|__deprecated__(int)|void info, mixed ... extra)

Description

Get an external entity.

Called when a <!DOCTYPE> with a SYSTEM identifier is encountered, or when an entity reference needs expanding.

Parameter sysid

The SYSTEM identifier.

Parameter pubid

The PUBLIC identifier (if any).

Parameter info

The callbackinfo mapping containing the current parser state.

Parameter extra

The extra arguments as passed to parse() or parse_dtd().

Returns

Returns a string with a DTD fragment on success. Returns 0 (zero) on failure.

Note

Returning zero will cause the validator to report an error.

Note

In Pike 7.7 and earlier info had the value 0 (zero).

Note

The default implementation always returns 0 (zero). Override this function to provide other behaviour.

See also

parse(), parse_dtd()