summaryrefslogtreecommitdiff
path: root/Master/tlpkg/tlperl.straw/lib/TAP/Base.pm
diff options
context:
space:
mode:
Diffstat (limited to 'Master/tlpkg/tlperl.straw/lib/TAP/Base.pm')
-rwxr-xr-xMaster/tlpkg/tlperl.straw/lib/TAP/Base.pm129
1 files changed, 129 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl.straw/lib/TAP/Base.pm b/Master/tlpkg/tlperl.straw/lib/TAP/Base.pm
new file mode 100755
index 00000000000..62a2c372118
--- /dev/null
+++ b/Master/tlpkg/tlperl.straw/lib/TAP/Base.pm
@@ -0,0 +1,129 @@
+package TAP::Base;
+
+use strict;
+use vars qw($VERSION @ISA);
+
+use TAP::Object;
+
+@ISA = qw(TAP::Object);
+
+=head1 NAME
+
+TAP::Base - Base class that provides common functionality to L<TAP::Parser>
+and L<TAP::Harness>
+
+=head1 VERSION
+
+Version 3.20
+
+=cut
+
+$VERSION = '3.20';
+
+use constant GOT_TIME_HIRES => do {
+ eval 'use Time::HiRes qw(time);';
+ $@ ? 0 : 1;
+};
+
+=head1 SYNOPSIS
+
+ package TAP::Whatever;
+
+ use TAP::Base;
+
+ use vars qw($VERSION @ISA);
+ @ISA = qw(TAP::Base);
+
+ # ... later ...
+
+ my $thing = TAP::Whatever->new();
+
+ $thing->callback( event => sub {
+ # do something interesting
+ } );
+
+=head1 DESCRIPTION
+
+C<TAP::Base> provides callback management.
+
+=head1 METHODS
+
+=head2 Class Methods
+
+=cut
+
+sub _initialize {
+ my ( $self, $arg_for, $ok_callback ) = @_;
+
+ my %ok_map = map { $_ => 1 } @$ok_callback;
+
+ $self->{ok_callbacks} = \%ok_map;
+
+ if ( my $cb = delete $arg_for->{callbacks} ) {
+ while ( my ( $event, $callback ) = each %$cb ) {
+ $self->callback( $event, $callback );
+ }
+ }
+
+ return $self;
+}
+
+=head3 C<callback>
+
+Install a callback for a named event.
+
+=cut
+
+sub callback {
+ my ( $self, $event, $callback ) = @_;
+
+ my %ok_map = %{ $self->{ok_callbacks} };
+
+ $self->_croak('No callbacks may be installed')
+ unless %ok_map;
+
+ $self->_croak( "Callback $event is not supported. Valid callbacks are "
+ . join( ', ', sort keys %ok_map ) )
+ unless exists $ok_map{$event};
+
+ push @{ $self->{code_for}{$event} }, $callback;
+
+ return;
+}
+
+sub _has_callbacks {
+ my $self = shift;
+ return keys %{ $self->{code_for} } != 0;
+}
+
+sub _callback_for {
+ my ( $self, $event ) = @_;
+ return $self->{code_for}{$event};
+}
+
+sub _make_callback {
+ my $self = shift;
+ my $event = shift;
+
+ my $cb = $self->_callback_for($event);
+ return unless defined $cb;
+ return map { $_->(@_) } @$cb;
+}
+
+=head3 C<get_time>
+
+Return the current time using Time::HiRes if available.
+
+=cut
+
+sub get_time { return time() }
+
+=head3 C<time_is_hires>
+
+Return true if the time returned by get_time is high resolution (i.e. if Time::HiRes is available).
+
+=cut
+
+sub time_is_hires { return GOT_TIME_HIRES }
+
+1;