File Coverage

blib/lib/Pg/SQL/PrettyPrinter/Node/A_Indirection.pm

Criterion	Covered	Total	%
statement	68	68	100.0
branch	12	16	75.0
condition			n/a
subroutine	17	17	100.0
pod	3	3	100.0
total	100	104	96.1

package Pg::SQL::PrettyPrinter::Node::A_Indirection;

# UTF8 boilerplace, per http://stackoverflow.com/questions/6162484/why-does-modern-perl-avoid-utf-8-by-default/
use v5.26;
use strict;
use warnings;
use warnings qw( FATAL utf8 );
use utf8;
use open qw( :std :utf8 );
use Unicode::Normalize qw( NFC );
use Unicode::Collate;
use Encode qw( decode );

if ( grep /\P{ASCII}/ => @ARGV ) {
    @ARGV = map { decode( 'UTF-8', $_ ) } @ARGV;
}

# If there is __DATA__,then uncomment next line:
# binmode( DATA, ':encoding(UTF-8)' );
# UTF8 boilerplace, per http://stackoverflow.com/questions/6162484/why-does-modern-perl-avoid-utf-8-by-default/

# Useful common code
use autodie;
use Carp         qw( carp croak confess cluck );
use English      qw( -no_match_vars );
use Data::Dumper qw( Dumper );

# give a full stack dump on any untrapped exceptions
local $SIG{ __DIE__ } = sub {
    confess "Uncaught exception: @_" unless $^S;
};

# now promote run-time warnings into stackdumped exceptions
#   *unless* we're in an try block, in which
#   case just generate a clucking stackdump instead
local $SIG{ __WARN__ } = sub {
    if   ( $^S ) { cluck "Trapped warning: @_" }
    else         { confess "Deadly warning: @_" }
};

# Useful common code

use parent qw( Pg::SQL::PrettyPrinter::Node );

sub new {
    my $class = shift;
    my $self  = $class->SUPER::new( @_ );
    bless $self, $class;

    $self->objectify( 'arg', 'indirection' );

    return $self;
}

sub as_text {
    my $self        = shift;
    my $arg_as_text = $self->{ 'arg' }->as_text;
    $arg_as_text = "( $arg_as_text )" unless $self->{ 'arg' }->isa( 'Pg::SQL::PrettyPrinter::Node::ColumnRef' );
    if ( 1 == scalar @{ $self->{ 'indirection' } } ) {
        my $ind = $self->{ 'indirection' }->[ 0 ];
        return "${arg_as_text}.*"                        if $ind->isa( 'Pg::SQL::PrettyPrinter::Node::A_Star' );
        return join( '.', $arg_as_text, $ind->as_ident ) if $ind->isa( 'Pg::SQL::PrettyPrinter::Node::String' );
    }
    return sprintf(
        '%s%s',
        $arg_as_text,
        join( '', map { $_->as_text } @{ $self->{ 'indirection' } } )
    );
}

sub pretty_print {
    my $self        = shift;
    my $arg_as_text = $self->{ 'arg' }->pretty_print;
    $arg_as_text = "( $arg_as_text )" unless $self->{ 'arg' }->isa( 'Pg::SQL::PrettyPrinter::Node::ColumnRef' );
    if ( 1 == scalar @{ $self->{ 'indirection' } } ) {
        my $ind = $self->{ 'indirection' }->[ 0 ];
        return "${arg_as_text}.*"                        if $ind->isa( 'Pg::SQL::PrettyPrinter::Node::A_Star' );
        return join( '.', $arg_as_text, $ind->as_ident ) if $ind->isa( 'Pg::SQL::PrettyPrinter::Node::String' );
    }

    return sprintf(
        '%s%s',
        $arg_as_text,
        join( '', map { $_->pretty_print } @{ $self->{ 'indirection' } } )
    );
}

1;