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|
package PAML;
use strict;
use warnings;
# "PAML Ain't Markup Language"!!!
use Carp qw[croak];
use Data::Dumper qw[];
use IO::File qw[];
BEGIN {
our @EXPORT_OK = qw(
DumpFile
LoadFile
);
require Exporter;
*import = \&Exporter::import;
}
sub DumpFile ($$) {
my ($path, $struct) = @_;
my $data = do {
local $Data::Dumper::Indent = 1;
local $Data::Dumper::Purity = 1;
local $Data::Dumper::Terse = 1;
local $Data::Dumper::Useqq = 1;
Data::Dumper->Dump([$struct], ['PAML']);
};
my $io = IO::File->new($path, '>')
|| croak(qq[Couldn't open path '$path' in write mode: $!]);
$io->binmode
|| croak(qq[Couldn't binmode filehandle: $!]);
$io->print($data)
|| croak(qq[Couldn't write filehandle: $!]);
$io->close
|| croak(qq[Couldn't close filehandle: $!]);
1;
}
sub LoadFile ($) {
my ($path) = @_;
my $data = do {
my $io = IO::File->new($path, '<')
|| corak(qq[Couldn't open path '$path' in read mode: $!]);
$io->binmode
|| croak(qq[Couldn't binmode filehandle: $!]);
my $exp = -s $path;
my $buf = do { local $/; <$io> };
my $got = length $buf;
$io->close
|| croak(qq[Couldn't close filehandle: $!]);
($exp == $got)
|| croak(qq[I/O read mismatch, expexted: $exp got: $got]);
$buf;
};
if (substr($data, 0, 1) eq '{') {
substr($data, 0, 0, '+');
}
my $struct = eval($data);
(!$@)
|| croak(qq[LoadFile couldn't eval data: $@]);
$struct;
}
1;
|
