| Current Path : /proc/2/cwd/usr/share/perl5/Module/Build/ |
| Current File : //proc/2/cwd/usr/share/perl5/Module/Build/Version.pm |
package Module::Build::Version;
use strict;
use vars qw($VERSION);
$VERSION = 0.77;
eval "use version $VERSION";
if ($@) { # can't locate version files, use our own
# Avoid redefined warnings if an old version.pm was available
delete $version::{$_} foreach keys %version::;
# first we get the stub version module
my $version;
while (<DATA>) {
s/(\$VERSION)\s=\s\d+/\$VERSION = 0/;
$version .= $_ if $_;
last if /^1;$/;
}
# and now get the current version::vpp code
my $vpp;
while (<DATA>) {
s/(\$VERSION)\s=\s\d+/\$VERSION = 0/;
$vpp .= $_ if $_;
last if /^1;$/;
}
# but we eval them in reverse order since version depends on
# version::vpp to already exist
eval $vpp; die $@ if $@;
$INC{'version/vpp.pm'} = 'inside Module::Build::Version';
eval $version; die $@ if $@;
$INC{'version.pm'} = 'inside Module::Build::Version';
}
# now we can safely subclass version, installed or not
use vars qw(@ISA);
@ISA = qw(version);
1;
__DATA__
# stub version module to make everything else happy
package version;
use 5.005_04;
use strict;
use vars qw(@ISA $VERSION $CLASS *declare *qv);
$VERSION = 0.77;
$CLASS = 'version';
push @ISA, "version::vpp";
local $^W;
*version::qv = \&version::vpp::qv;
*version::declare = \&version::vpp::declare;
*version::_VERSION = \&version::vpp::_VERSION;
if ($] > 5.009001 && $] <= 5.010000) {
no strict 'refs';
*{'version::stringify'} = \*version::vpp::stringify;
*{'version::(""'} = \*version::vpp::stringify;
*{'version::new'} = \*version::vpp::new;
}
# Preloaded methods go here.
sub import {
no strict 'refs';
my ($class) = shift;
# Set up any derived class
unless ($class eq 'version') {
local $^W;
*{$class.'::declare'} = \&version::declare;
*{$class.'::qv'} = \&version::qv;
}
my %args;
if (@_) { # any remaining terms are arguments
map { $args{$_} = 1 } @_
}
else { # no parameters at all on use line
%args =
(
qv => 1,
'UNIVERSAL::VERSION' => 1,
);
}
my $callpkg = caller();
if (exists($args{declare})) {
*{$callpkg."::declare"} =
sub {return $class->declare(shift) }
unless defined(&{$callpkg.'::declare'});
}
if (exists($args{qv})) {
*{$callpkg."::qv"} =
sub {return $class->qv(shift) }
unless defined(&{"$callpkg\::qv"});
}
if (exists($args{'UNIVERSAL::VERSION'})) {
local $^W;
*UNIVERSAL::VERSION = \&version::_VERSION;
}
if (exists($args{'VERSION'})) {
*{$callpkg."::VERSION"} = \&version::_VERSION;
}
}
1;
# replace everything from here to the end with the current version/vpp.pm
package version::vpp;
use strict;
use POSIX qw/locale_h/;
use locale;
use vars qw ($VERSION @ISA @REGEXS);
$VERSION = '0.77';
$VERSION = eval $VERSION;
push @REGEXS, qr/
^v? # optional leading 'v'
(\d*) # major revision not required
\. # requires at least one decimal
(?:(\d+)\.?){1,}
/x;
use overload (
'""' => \&stringify,
'0+' => \&numify,
'cmp' => \&vcmp,
'<=>' => \&vcmp,
'bool' => \&vbool,
'nomethod' => \&vnoop,
);
my $VERSION_MAX = 0x7FFFFFFF;
eval "use warnings";
if ($@) {
eval '
package warnings;
sub enabled {return $^W;}
1;
';
}
sub new
{
my ($class, $value) = @_;
my $self = bless ({}, ref ($class) || $class);
if ( ref($value) && eval('$value->isa("version")') ) {
# Can copy the elements directly
$self->{version} = [ @{$value->{version} } ];
$self->{qv} = 1 if $value->{qv};
$self->{alpha} = 1 if $value->{alpha};
$self->{original} = ''.$value->{original};
return $self;
}
my $currlocale = setlocale(LC_ALL);
# if the current locale uses commas for decimal points, we
# just replace commas with decimal places, rather than changing
# locales
if ( localeconv()->{decimal_point} eq ',' ) {
$value =~ tr/,/./;
}
if ( not defined $value or $value =~ /^undef$/ ) {
# RT #19517 - special case for undef comparison
# or someone forgot to pass a value
push @{$self->{version}}, 0;
$self->{original} = "0";
return ($self);
}
if ( $#_ == 2 ) { # must be CVS-style
$value = 'v'.$_[2];
}
$value = _un_vstring($value);
# exponential notation
if ( $value =~ /\d+.?\d*e[-+]?\d+/ ) {
$value = sprintf("%.9f",$value);
$value =~ s/(0+)$//; # trim trailing zeros
}
# This is not very efficient, but it is morally equivalent
# to the XS code (as that is the reference implementation).
# See vutil/vutil.c for details
my $qv = 0;
my $alpha = 0;
my $width = 3;
my $saw_period = 0;
my $vinf = 0;
my ($start, $last, $pos, $s);
$s = 0;
while ( substr($value,$s,1) =~ /\s/ ) { # leading whitespace is OK
$s++;
}
if (substr($value,$s,1) eq 'v') {
$s++; # get past 'v'
$qv = 1; # force quoted version processing
}
$start = $last = $pos = $s;
# pre-scan the input string to check for decimals/underbars
while ( substr($value,$pos,1) =~ /[._\d,]/ ) {
if ( substr($value,$pos,1) eq '.' ) {
if ($alpha) {
Carp::croak("Invalid version format ".
"(underscores before decimal)");
}
$saw_period++;
$last = $pos;
}
elsif ( substr($value,$pos,1) eq '_' ) {
if ($alpha) {
require Carp;
Carp::croak("Invalid version format ".
"(multiple underscores)");
}
$alpha = 1;
$width = $pos - $last - 1; # natural width of sub-version
}
elsif ( substr($value,$pos,1) eq ','
and substr($value,$pos+1,1) =~ /[0-9]/ ) {
# looks like an unhandled locale
$saw_period++;
$last = $pos;
}
$pos++;
}
if ( $alpha && !$saw_period ) {
require Carp;
Carp::croak("Invalid version format ".
"(alpha without decimal)");
}
if ( $alpha && $saw_period && $width == 0 ) {
require Carp;
Carp::croak("Invalid version format ".
"(misplaced _ in number)");
}
if ( $saw_period > 1 ) {
$qv = 1; # force quoted version processing
}
$last = $pos;
$pos = $s;
if ( $qv ) {
$self->{qv} = 1;
}
if ( $alpha ) {
$self->{alpha} = 1;
}
if ( !$qv && $width < 3 ) {
$self->{width} = $width;
}
while ( substr($value,$pos,1) =~ /\d/ ) {
$pos++;
}
if ( substr($value,$pos,1) !~ /[a-z]/ ) { ### FIX THIS ###
my $rev;
while (1) {
$rev = 0;
{
# this is atoi() that delimits on underscores
my $end = $pos;
my $mult = 1;
my $orev;
# the following if() will only be true after the decimal
# point of a version originally created with a bare
# floating point number, i.e. not quoted in any way
if ( !$qv && $s > $start && $saw_period == 1 ) {
$mult *= 100;
while ( $s < $end ) {
$orev = $rev;
$rev += substr($value,$s,1) * $mult;
$mult /= 10;
if ( abs($orev) > abs($rev)
|| abs($rev) > abs($VERSION_MAX) ) {
if ( warnings::enabled("overflow") ) {
require Carp;
Carp::carp("Integer overflow in version");
}
$s = $end - 1;
$rev = $VERSION_MAX;
}
$s++;
if ( substr($value,$s,1) eq '_' ) {
$s++;
}
}
}
else {
while (--$end >= $s) {
$orev = $rev;
$rev += substr($value,$end,1) * $mult;
$mult *= 10;
if ( abs($orev) > abs($rev)
|| abs($rev) > abs($VERSION_MAX) ) {
if ( warnings::enabled("overflow") ) {
require Carp;
Carp::carp("Integer overflow in version");
}
$end = $s - 1;
$rev = $VERSION_MAX;
}
}
}
}
# Append revision
push @{$self->{version}}, $rev;
if ( substr($value,$pos,1) eq '.'
&& substr($value,$pos+1,1) =~ /\d/ ) {
$s = ++$pos;
}
elsif ( substr($value,$pos,1) eq '_'
&& substr($value,$pos+1,1) =~ /\d/ ) {
$s = ++$pos;
}
elsif ( substr($value,$pos,1) eq ','
&& substr($value,$pos+1,1) =~ /\d/ ) {
$s = ++$pos;
}
elsif ( substr($value,$pos,1) =~ /\d/ ) {
$s = $pos;
}
else {
$s = $pos;
last;
}
if ( $qv ) {
while ( substr($value,$pos,1) =~ /\d/ ) {
$pos++;
}
}
else {
my $digits = 0;
while (substr($value,$pos,1) =~ /[\d_]/ && $digits < 3) {
if ( substr($value,$pos,1) ne '_' ) {
$digits++;
}
$pos++;
}
}
}
}
if ( $qv ) { # quoted versions always get at least three terms
my $len = scalar @{$self->{version}};
$len = 3 - $len;
while ($len-- > 0) {
push @{$self->{version}}, 0;
}
}
if ( substr($value,$pos) ) { # any remaining text
if ( warnings::enabled("misc") ) {
require Carp;
Carp::carp("Version string '$value' contains invalid data; ".
"ignoring: '".substr($value,$pos)."'");
}
}
# cache the original value for use when stringification
if ( $vinf ) {
$self->{vinf} = 1;
$self->{original} = 'v.Inf';
}
else {
$self->{original} = substr($value,0,$pos);
}
return ($self);
}
*parse = \&new;
sub numify
{
my ($self) = @_;
unless (_verify($self)) {
require Carp;
Carp::croak("Invalid version object");
}
my $width = $self->{width} || 3;
my $alpha = $self->{alpha} || "";
my $len = $#{$self->{version}};
my $digit = $self->{version}[0];
my $string = sprintf("%d.", $digit );
for ( my $i = 1 ; $i < $len ; $i++ ) {
$digit = $self->{version}[$i];
if ( $width < 3 ) {
my $denom = 10**(3-$width);
my $quot = int($digit/$denom);
my $rem = $digit - ($quot * $denom);
$string .= sprintf("%0".$width."d_%d", $quot, $rem);
}
else {
$string .= sprintf("%03d", $digit);
}
}
if ( $len > 0 ) {
$digit = $self->{version}[$len];
if ( $alpha && $width == 3 ) {
$string .= "_";
}
$string .= sprintf("%0".$width."d", $digit);
}
else # $len = 0
{
$string .= sprintf("000");
}
return $string;
}
sub normal
{
my ($self) = @_;
unless (_verify($self)) {
require Carp;
Carp::croak("Invalid version object");
}
my $alpha = $self->{alpha} || "";
my $len = $#{$self->{version}};
my $digit = $self->{version}[0];
my $string = sprintf("v%d", $digit );
for ( my $i = 1 ; $i < $len ; $i++ ) {
$digit = $self->{version}[$i];
$string .= sprintf(".%d", $digit);
}
if ( $len > 0 ) {
$digit = $self->{version}[$len];
if ( $alpha ) {
$string .= sprintf("_%0d", $digit);
}
else {
$string .= sprintf(".%0d", $digit);
}
}
if ( $len <= 2 ) {
for ( $len = 2 - $len; $len != 0; $len-- ) {
$string .= sprintf(".%0d", 0);
}
}
return $string;
}
sub stringify
{
my ($self) = @_;
unless (_verify($self)) {
require Carp;
Carp::croak("Invalid version object");
}
return exists $self->{original}
? $self->{original}
: exists $self->{qv}
? $self->normal
: $self->numify;
}
sub vcmp
{
require UNIVERSAL;
my ($left,$right,$swap) = @_;
my $class = ref($left);
unless ( UNIVERSAL::isa($right, $class) ) {
$right = $class->new($right);
}
if ( $swap ) {
($left, $right) = ($right, $left);
}
unless (_verify($left)) {
require Carp;
Carp::croak("Invalid version object");
}
unless (_verify($right)) {
require Carp;
Carp::croak("Invalid version object");
}
my $l = $#{$left->{version}};
my $r = $#{$right->{version}};
my $m = $l < $r ? $l : $r;
my $lalpha = $left->is_alpha;
my $ralpha = $right->is_alpha;
my $retval = 0;
my $i = 0;
while ( $i <= $m && $retval == 0 ) {
$retval = $left->{version}[$i] <=> $right->{version}[$i];
$i++;
}
# tiebreaker for alpha with identical terms
if ( $retval == 0
&& $l == $r
&& $left->{version}[$m] == $right->{version}[$m]
&& ( $lalpha || $ralpha ) ) {
if ( $lalpha && !$ralpha ) {
$retval = -1;
}
elsif ( $ralpha && !$lalpha) {
$retval = +1;
}
}
# possible match except for trailing 0's
if ( $retval == 0 && $l != $r ) {
if ( $l < $r ) {
while ( $i <= $r && $retval == 0 ) {
if ( $right->{version}[$i] != 0 ) {
$retval = -1; # not a match after all
}
$i++;
}
}
else {
while ( $i <= $l && $retval == 0 ) {
if ( $left->{version}[$i] != 0 ) {
$retval = +1; # not a match after all
}
$i++;
}
}
}
return $retval;
}
sub vbool {
my ($self) = @_;
return vcmp($self,$self->new("0"),1);
}
sub vnoop {
require Carp;
Carp::croak("operation not supported with version object");
}
sub is_alpha {
my ($self) = @_;
return (exists $self->{alpha});
}
sub qv {
my $value = shift;
my $class = 'version';
if (@_) {
$class = ref($value) || $value;
$value = shift;
}
$value = _un_vstring($value);
$value = 'v'.$value unless $value =~ /(^v|\d+\.\d+\.\d)/;
my $version = $class->new($value);
return $version;
}
*declare = \&qv;
sub is_qv {
my ($self) = @_;
return (exists $self->{qv});
}
sub _verify {
my ($self) = @_;
if ( ref($self)
&& eval { exists $self->{version} }
&& ref($self->{version}) eq 'ARRAY'
) {
return 1;
}
else {
return 0;
}
}
sub _un_vstring {
my $value = shift;
# may be a v-string
if ( $] >= 5.006_000 && length($value) >= 3 && $value !~ /[._]/ ) {
my $tvalue = sprintf("v%vd",$value);
if ( $tvalue =~ /^v\d+\.\d+\.\d+$/ ) {
# must be a v-string
$value = $tvalue;
}
}
return $value;
}
sub _VERSION {
my ($obj, $req) = @_;
my $class = ref($obj) || $obj;
no strict 'refs';
if ( exists $INC{"$class.pm"} and not %{"$class\::"} and $] >= 5.008) {
# file but no package
require Carp;
Carp::croak( "$class defines neither package nor VERSION"
."--version check failed");
}
my $version = eval "\$$class\::VERSION";
if ( defined $version ) {
local $^W if $] <= 5.008;
$version = version::vpp->new($version);
}
if ( defined $req ) {
unless ( defined $version ) {
require Carp;
my $msg = $] < 5.006
? "$class version $req required--this is only version "
: "$class does not define \$$class\::VERSION"
."--version check failed";
if ( $ENV{VERSION_DEBUG} ) {
Carp::confess($msg);
}
else {
Carp::croak($msg);
}
}
$req = version::vpp->new($req);
if ( $req > $version ) {
require Carp;
if ( $req->is_qv ) {
Carp::croak(
sprintf ("%s version %s required--".
"this is only version %s", $class,
$req->normal, $version->normal)
);
}
else {
Carp::croak(
sprintf ("%s version %s required--".
"this is only version %s", $class,
$req->stringify, $version->stringify)
);
}
}
}
return defined $version ? $version->stringify : undef;
}
1; #this line is important and will help the module return a true value
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