view release on metacpan or  search on metacpan

lib/ARSObject.pm  view on Meta::CPAN

	? 'windows-' .$_[0]->{-charset}
	: ($_[0]->{-charset} || ($_[0]->{-cgi} && $_[0]->{-cgi}->charset())
		|| eval('!${^ENCODING}') && eval('use POSIX; POSIX::setlocale(POSIX::LC_CTYPE)=~/\\.([^.]+)$/ ? "cp$1" : "cp1252"'))
}


sub cptran {	# Translate strings between codepages
 my ($s,$f,$t,@s) =@_;	# (from, to, string,...) -> string,...
 if (($] >=5.008) && eval("use Encode; 1")) {
	map {$_=  /oem|866/i	? 'cp866'
		: /ansi|1251/i	? 'cp1251'
		: /koi/i	? 'koi8-r'
		: /8859-5/i	? 'iso-8859-5'
		: $_
		} $f, $t;
	map {Encode::is_utf8($_)
		? ($_ =Encode::encode($t, $_, 0))
		: Encode::from_to($_, $f, $t, 0)
		if defined($_) && ($_ ne '')
		} @s;
 }
 else {
	foreach my $v ($f, $t) {	# See also utf8enc, utf8dec
		if    ($v =~/oem|866/i)   {$v ='€‚ƒ„…ð†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™œ›šžŸ ¡¢£¤¥ñ¦§¨©ª«¬­®¯àáâãäåæçèéìëêíîï'}
		elsif ($v =~/ansi|1251/i) {$v ='ÀÁÂÃÄŨÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÜÛÚÝÞßàáâãäå¸æçèéêëìíîïðñòóôõö÷øùüûúýþÿ'}
		elsif ($v =~/koi/i)       {$v ='áâ÷çäå³öúéêëìíîïðòóôõæèãþûýøùÿüàñÁÂ×ÇÄÅ£ÖÚÉÊËÌÍÎÏÐÒÓÔÕÆÈÃÞÛÝØÙßÜÀÑ'}
		elsif ($v =~/8859-5/i)    {$v ='°±²³´µ¡¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈÉÌËÊÍÎÏÐÑÒÓÔÕñÖ×ØÙÚÛÜÝÞßàáâãäåæçèéìëêíîï'}
	}
	map {eval("~tr/$f/$t/") if defined($_)} @s;
 }
 @s >1 ? @s : $s[0];
}


sub cpcon {		# Translate to console codepage
   $_[0] && $_[0]->{-cpcon}
 ? &{$_[0]->{-cpcon}}(@_)
 : $#_ <2
 ? $_[1]
 : (@_[1..$#_])
}


sub sfpath {		# self file path
			# () -> script's dir
			# (subpath) -> dir/subpath
 my $p =$0 =~/[\\\/]/ ? $0 : $^O eq 'MSWin32' ? Win32::GetFullPathName($0) : '';
 $_[1]
 ? (($p =~/^(.+?[\\\/])[^\\\/]+$/ ? $1 : '') .$_[1])
 : ($p =~/^(.+?)[\\\/][^\\\/]+$/ ? $1 : '')
}



sub fopen {		# Open file
 my $s =shift;		# ('-b',filename) -> success
 my $o =$_[0] =~/^-(?:\w[\w\d+-]*)*$/ ? shift : '-';
 my $f =$_[0]; $f ='<' .$f if $f !~/^[<>]/;
 eval('use IO::File');
 my $h =IO::File->new($f) || return(&{$s->{-die}}($s->efmt('$!',undef,'cannot open file','fopen',$f)));
 $h->binmode() if $h && ($o =~/b/);
 $h
}


sub fdirls {		# Directory listing
 my $s =shift;		# ('-',pathname, ?filter sub{}(self, path, $_=entry), ? []) -> (list) || [list]
 my $o =$_[0] =~/^-(?:\w[\w\d+-]*)*$/ ? shift : '-';
 my ($f, $cf, $cs) =@_;
 local *FILE; opendir(FILE, $f) || return(&{$s->{-die}}($s->efmt('$!',undef,'cannot open dir','fdirls',$f)));
 local $_;
 my ($r, @r);
 if ($cs) {
	while (defined($r =readdir(FILE))) {
		push @$cs, $r if !$cf ||&$cf($s,$f,$_ =$r)
	}
	closedir(FILE);
	return $cs;
 }
 else {
	while (defined($r =readdir(FILE))) {
		push @r, $r if !$cf ||&$cf($s,$f,$_ =$r)
	}
	closedir(FILE);
	return @r;
 }
}


sub fstore {		# Store file
 my $s =shift;		# ('-b',filename, strings) -> success
 my $o =$_[0] =~/^-(?:\w[\w\d+-]*)*$/ ? shift : '-';
 my $f =$_[0]; $f ='>' .$f if $f !~/^[<>]/;
 print "fstore('$f')\n" if $s->{-echo};
 # local $SIG{'TERM'} ='IGNORE';
 # local $SIG{'INT'}  ='IGNORE';
 # local $SIG{'BREAK'}='IGNORE';
 my $r;
 local *FILE;
 for (my $i =0; $i <$fretry; $i++) {
	$r =open(FILE, $f);
	last if $r;
 }
 return(&{$s->{-die}}($s->efmt('$!',undef,'cannot open file','fstore',$f)))
	if !$r;
 if ($o =~/b/) {
	binmode(FILE);
	$r =defined(syswrite(FILE,$_[1]))
 }
 else {
	$r =print FILE join("\n",@_[1..$#_])
 }
 close(FILE);
 $r || &{$s->{-die}}($s->efmt('$!',undef,'Cannot write file','fstore',$f))
}


sub fload {		# Load file
 my $s =shift;		# ('-b',filename) -> content
 my $o =$_[0] =~/^-(?:\w[\w\d+-]*)*$/ ? shift : '-';
 my($f,$f0) =($_[0],$_[0]); 
	if ($f =~/^[<>]+/)	{$f0 =$'}
	else			{$f  ='<' .$f}
 print "fload('$f')\n" if $s->{-echo};
 local *FILE;
 my $r;
 for (my $i =0; $i <$fretry; $i++) {
	$r =open(FILE, $f);
	last if $r;
 }
 return(&{$s->{-die}}($s->efmt('$!',undef,'Cannot open file','fload',$f)))
	if !$r;
 my $b =undef;
 binmode(FILE) if $o =~/b/;
 $r =read(FILE,$b,-s $f0);
 close(FILE);
 defined($r) ? $b : &{$s->{-die}}($s->efmt('$!',undef,'Cannot read file','fload',$f))
}


sub vfname {		# Name of variables file
			# (varname|-slot) -> pathname
 return($_[0]->{-vfbase}) if !$_[1];
 my $v =$_[1];	$v =~s/[\s.,:;|\/\\?*+()<>\]\["']/_/g;
 $_[0]->{-vfbase} .($v =~/^-(.+)/ ? ($1 .($_[2] ||'.var')) : ($v .($_[2] ||'.var')))
}


sub vfstore {		# Store variables file
			# (varname, {data}) -> success
			# (-slot) -> success
 my($s,$n,$d)=@_;
 $d =$s->{$n} if !$d && ($n =~/^-/);
 my $f =$s->vfname($n, '.new');
 my $r;
 if (($n =~/^-/) && exists($s->{"${n}-storable"}) ? $s->{"${n}-storable"} : $s->{-storable}) {
	for (my $i =0; ($i <$fretry) && eval("use Storable; 1"); $i++) {
		$r =Storable::store($d, $f);
		last if $r;
	}
	return(&{$s->{-die}}($s->efmt('$!',$s->{-cmd},undef,'Storable::store',$f)))
		if !$r;
 }
 else {
	$r =$s->fstore('-', $f, $s->dsdump($d));
 }
 if ($r) {
	my $rr =0;
	for (my $i =0; $i <$fretry; $i++) {
		$rr =rename($f, $s->vfname($n));
		last if $rr
	}
	return(&{$s->{-die}}($s->efmt('$!',$s->{-cmd},undef,'rename',$f,'*.var')))
		if !$rr
 }
 $r
}


sub vfload {		# Load variables file
			# (varname|-slot, ?{use default} | load default, ?renew | renew seconds) -> {data}
 my($s,$f,$d,$nn) =@_;	# -slot-calc, -slot-store
 my $k =($f =~/^-/ ? $f : undef);
 $f =$s->vfname($f);
 if ($nn && $nn >1) {
	my @st =stat($f);
	$nn =0 if $st[9] && (time() -$st[9] <$nn);
 }
 if ($d && ($nn || !-f $f)) {
	if (ref($d)) {
		$s->vfstore($k, $d =ref($d) eq 'CODE' ? &$d($s,$k) : $d);
		$s->{$k} =$d if $k;
	}
	elsif (!$k) {
	}
	elsif (ref($s->{"$k-calc"}) eq 'CODE') {
		my $cc =$s->{"$k-calc"};
		local $s->{"$k-calc"} =undef;
		$s->{$k} =$d =&$cc($s,$k);
	}
	elsif (ref($s->{"$k-store"}) eq 'CODE') {
		$s->vfstore($k, $s->{$k} =$d =&{$s->{"$k-store"}}($s,$k))
	}
	elsif (ref($s->{$k}) eq 'CODE') {
		$s->vfstore($k, $s->{$k} =$d =&{$s->{$k}}($s,$k))
	}
	return($d)
 }
 elsif (ref($s->{"$k-calc"}) eq 'CODE') {
	my $cc =$s->{"$k-calc"};
	local $s->{"$k-calc"} =undef;
	$s->{$k} =$d =&$cc($s,$k);
	return($d);
 }
 my $r;
 if (0) {
	$r =($k && exists($s->{"${k}-storable"}) ? $s->{"${k}-storable"} : $s->{-storable})
	? eval("use Storable; 1")
		&& Storable::retrieve($f)
		|| return(&{$s->{-die}}($s->efmt('$!',$s->{-cmd},undef,'Storable::retrieve',$f)))
	: ((eval{do($f)}) || return(&{$s->{-die}}($s->efmt($@,$s->{-cmd},undef,'do',$f))));
 }
 else {
	local *FILE;
	for (my $i =0; $i <$fretry; $i++) {
		$r =open(FILE, "<$f");
		last if $r;
	}
	return(&{$s->{-die}}($s->efmt('$!',undef,'Cannot open file','vfload',$f)))
		if !$r;
	binmode(FILE);
	my $v;
	sysread(FILE,$v,64,0)
		||return(&{$s->{-die}}($s->efmt('$!',$s->{-cmd},undef,'sysread',$f)));
	$r =($v 
		? $v !~/^\$VAR1\s*=/
		: ($k && exists($s->{"${k}-storable"}) ? $s->{"${k}-storable"} : $s->{-storable}))
	? ((seek(FILE,0,0) ||1)
		&& eval("use Storable; 1")
		&& Storable::fd_retrieve(\*FILE)
		|| return(&{$s->{-die}}($s->efmt('$!',$s->{-cmd},undef,'Storable::retrieve',$f))))
	: ((eval{close(FILE); 1}) &&
		do($f) || return(&{$s->{-die}}($s->efmt($@,$s->{-cmd},undef,'do',$f)))
		);
	eval{close(FILE)};
 }
 $s->{$k} =$r if $k;
 $r
}



sub vfrenew {		# Renew variables file
 my($s,$f,$nn) =@_;	# (-slot, ?period seconds) -> vfload
 return(1) if $f !~/^-/;
 vfload($s,$f,1,$nn ||1);
}



sub vfclear {	# Clear vfdata() and vfhash()
 my($s,$f) =@_;	# (-slot, ?period seconds) -> vfload
 return(1) if $f !~/^-/;
 delete($s->{$f});
 foreach my $k (keys %$s) {
	next if $k !~/^\Q$f\E[\/].+/;
	delete $s->{$k};
 }
 1;
}


sub vfdata {	# Access to array data from variables file
		# automatically load using vfload().
		# (-slot) -> [array]
		# (-slot, filter sub{}(self, -slot, index, $_=value)) -> [array]
 vfload($_[0], $_[1], 1) if !$_[0]->{$_[1]} || (ref($_[0]->{$_[1]}) eq 'CODE');
 if ($_[2]) {
	if (ref($_[2]) eq 'CODE') {
		local $_;
		local $_[0]->{-cmd} =($_[0]->{-cmd} ? $_[0]->{-cmd} .': ' : '')
			."vfdata('$_[1]', sub{})";
		my ($rr, $v);
		if (ref($_[0]->{$_[1]}) eq 'ARRAY') {
			$rr =[];
			for(my $i=0; $i<=$#{$_[0]->{$_[1]}}; $i++) {
				if (!defined(eval{$v =&{$_[2]}($_[0], $_[1], $i, $_ =$_[0]->{$_[1]}->[$i])}) && $@) {
					last if $@ =~/^last[\r\n]*$/;
					next if $@ =~/^next[\r\n]*$/;
					return(&{$_[0]->{-die}}($_[0]->efmt($@,$_[0]->{-cmd})));
				}