NAME
Data::Pretty::FilterContext - Data Dump Beautifier Filter Context
SYNOPSIS
use Data::Pretty::FilterContext;
my $ctx = Data::Pretty::FilterContext->new( $rval, $class, $type, $ref, $pclass, $pidx, $idx );
VERSION
v0.1.0
DESCRIPTION
The context object provide methods that can be used to determine what kind of object is currently visited and where it is located. The context object has the following interface
CONSTRUCTOR
new
This takes the following arguments and returns the newly instantiated object.
$rval
The value passed as a reference.
$class
The object class, if any.
$type
The data type, such as
ARRAY
,CODE
,GLOB
,HASH
,REF
,REGEXP
,SCALAR
orVSTRING
$ref
The data reference as returned by "ref" in perlfunc
$pclass
A container class, if any
$pidx
$idx
METHODS
object_ref
Alternative way to obtain a reference to the current object
class
If the object is blessed this return the class. Returns "" for objects not blessed.
reftype
Returns what kind of object this is. It's a string like ARRAY
, CODE
, GLOB
, HASH
, REF
, REGEXP
, SCALAR
or VSTRING
is_ref
Returns true if a reference was provided.
is_blessed
Returns true if the object is blessed. Actually, this is just an alias for $ctx->class
.
is_array
Returns true if the object is an array
is_hash
Returns true if the object is a hash
is_scalar
Returns true if the object is a scalar (a string or a number)
is_code
Returns true if the object is a function (aka subroutine)
container_class
Returns the class of the innermost container that contains this object. Returns "" if there is no blessed container.
container_self
Returns an textual expression relative to the container object that names this object. The variable $self
in this expression is the container itself.
object_isa( $class )
Returns TRUE if the current object is of the given class or is of a subclass.
container_isa( $class )
Returns TRUE if the innermost container is of the given class or is of a subclass.
depth
Returns how many levels deep have we recursed into the structure (from the original dump_filtered() arguments).
expr
expr( $top_level_name )
Returns an textual expression that denotes the current object. In the expression $var
is used as the name of the top level object dumped. This can be overridden by providing a different name as argument.
SEE ALSO
CREDITS
Credits to Gisle Aas for the original Data::Dump version and to Breno G. de Oliveira for maintaining it.
COPYRIGHT & LICENSE
Copyright(c) 2023 DEGUEST Pte. Ltd.
All rights reserved
This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself.