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package IPC::Run3::ProfLogReader;
$VERSION = 0.043;
=head1 NAME
IPC::Run3::ProfLogReader - read and process a ProfLogger file
=head1 SYNOPSIS
use IPC::Run3::ProfLogReader;
my $reader = IPC::Run3::ProfLogReader->new; ## use "run3.out"
my $reader = IPC::Run3::ProfLogReader->new( Source => $fn );
my $profiler = IPC::Run3::ProfPP; ## For example
my $reader = IPC::Run3::ProfLogReader->new( ..., Handler => $p );
$reader->read;
$eaderr->read_all;
=head1 DESCRIPTION
Reads a log file. Use the filename "-" to read from STDIN.
=cut
use strict;
=head1 METHODS
=head2 C<< IPC::Run3::ProfLogReader->new( ... ) >>
=cut
sub new {
my $class = ref $_[0] ? ref shift : shift;
my $self = bless { @_ }, $class;
$self->{Source} = "run3.out"
unless defined $self->{Source} && length $self->{Source};
my $source = $self->{Source};
if ( ref $source eq "GLOB" || UNIVERSAL::isa( $source, "IO::Handle" ) ) {
$self->{FH} = $source;
}
elsif ( $source eq "-" ) {
$self->{FH} = \*STDIN;
}
else {
open PROFILE, "<$self->{Source}" or die "$!: $self->{Source}\n";
$self->{FH} = *PROFILE{IO};
}
return $self;
}
=head2 C<< $reader->set_handler( $handler ) >>
=cut
sub set_handler { $_[0]->{Handler} = $_[1] }
=head2 C<< $reader->get_handler() >>
=cut
sub get_handler { $_[0]->{Handler} }
=head2 C<< $reader->read() >>
=cut
sub read {
my $self = shift;
my $fh = $self->{FH};
my @ln = split / /, <$fh>;
return 0 unless @ln;
return 1 unless $self->{Handler};
chomp $ln[-1];
## Ignore blank and comment lines.
return 1 if @ln == 1 && ! length $ln[0] || 0 == index $ln[0], "#";
if ( $ln[0] eq "\\app_call" ) {
shift @ln;
my @times = split /,/, pop @ln;
$self->{Handler}->app_call(
[
map {
s/\\\\/\\/g;
s/\\_/ /g;
$_;
} @ln
],
@times
);
}
elsif ( $ln[0] eq "\\app_exit" ) {
shift @ln;
$self->{Handler}->app_exit( pop @ln, @ln );
}
else {
my @times = split /,/, pop @ln;
$self->{Handler}->run_exit(
[
map {
s/\\\\/\\/g;
s/\\_/ /g;
$_;
} @ln
],
@times
);
}
return 1;
}
=head2 C<< $reader->read_all() >>
This method reads until there is nothing left to read, and then returns true.
=cut
sub read_all {
my $self = shift;
1 while $self->read;
return 1;
}
=head1 LIMITATIONS
=head1 COPYRIGHT
Copyright 2003, R. Barrie Slaymaker, Jr., All Rights Reserved
=head1 LICENSE
You may use this module under the terms of the BSD, Artistic, or GPL licenses,
any version.
=head1 AUTHOR
Barrie Slaymaker E<lt>barries@slaysys.comE<gt>
=cut
1;
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