FM / URI

/usr/local/share/perl5/URI

Name	Size	Mode	Actions
file/	-	0755	rm
urn/	-	0755	rm
data.pm	3417	0444	edit dl rm
Escape.pm	7022	0444	edit dl rm
file.pm	9761	0444	edit dl rm
ftp.pm	1082	0444	edit dl rm
gopher.pm	2454	0444	edit dl rm
Heuristic.pm	6524	0444	edit dl rm
http.pm	451	0444	edit dl rm
https.pm	170	0444	edit dl rm
IRI.pm	820	0444	edit dl rm
ldap.pm	2950	0444	edit dl rm
ldapi.pm	467	0444	edit dl rm
ldaps.pm	170	0444	edit dl rm
mailto.pm	1302	0444	edit dl rm
mms.pm	151	0444	edit dl rm
news.pm	1480	0444	edit dl rm
nntp.pm	153	0444	edit dl rm
pop.pm	1233	0444	edit dl rm
QueryParam.pm	4887	0444	edit dl rm
rlogin.pm	155	0444	edit dl rm
rsync.pm	233	0444	edit dl rm
rtsp.pm	151	0444	edit dl rm
rtspu.pm	152	0444	edit dl rm
sftp.pm	124	0444	edit dl rm
sip.pm	1735	0444	edit dl rm
sips.pm	169	0444	edit dl rm
snews.pm	198	0444	edit dl rm
Split.pm	2379	0444	edit dl rm
ssh.pm	201	0444	edit dl rm
telnet.pm	154	0444	edit dl rm
tn3270.pm	154	0444	edit dl rm
URL.pm	5487	0444	edit dl rm
urn.pm	2201	0444	edit dl rm
WithBase.pm	3857	0444	edit dl rm
_foreign.pm	133	0444	edit dl rm
_generic.pm	5848	0444	edit dl rm
_idna.pm	2103	0444	edit dl rm
_ldap.pm	3275	0444	edit dl rm
_login.pm	257	0444	edit dl rm
_punycode.pm	4648	0444	edit dl rm
_query.pm	2557	0444	edit dl rm
_segment.pm	442	0444	edit dl rm
_server.pm	3750	0444	edit dl rm
_userpass.pm	1060	0444	edit dl rm

Edit: /usr/local/share/perl5/URI/_generic.pm (5848B)

package URI::_generic;

use strict;
use warnings;

use parent qw(URI URI::_query);

use URI::Escape qw(uri_unescape);
use Carp ();

our $VERSION = '1.71';
$VERSION = eval $VERSION;

my $ACHAR = $URI::uric;  $ACHAR =~ s,\\[/?],,g;
my $PCHAR = $URI::uric;  $PCHAR =~ s,\\[?],,g;

sub _no_scheme_ok { 1 }

sub authority
{
    my $self = shift;
    $$self =~ m,^((?:$URI::scheme_re:)?)(?://([^/?\#]*))?(.*)$,os or die;

if (@_) {
	my $auth = shift;
	$$self = $1;
	my $rest = $3;
	if (defined $auth) {
	    $auth =~ s/([^$ACHAR])/ URI::Escape::escape_char($1)/ego;
	    utf8::downgrade($auth);
	    $$self .= "//$auth";
	}
	_check_path($rest, $$self);
	$$self .= $rest;
    }
    $2;
}

sub path
{
    my $self = shift;
    $$self =~ m,^((?:[^:/?\#]+:)?(?://[^/?\#]*)?)([^?\#]*)(.*)$,s or die;

if (@_) {
	$$self = $1;
	my $rest = $3;
	my $new_path = shift;
	$new_path = "" unless defined $new_path;
	$new_path =~ s/([^$PCHAR])/ URI::Escape::escape_char($1)/ego;
	utf8::downgrade($new_path);
	_check_path($new_path, $$self);
	$$self .= $new_path . $rest;
    }
    $2;
}

sub path_query
{
    my $self = shift;
    $$self =~ m,^((?:[^:/?\#]+:)?(?://[^/?\#]*)?)([^\#]*)(.*)$,s or die;

if (@_) {
	$$self = $1;
	my $rest = $3;
	my $new_path = shift;
	$new_path = "" unless defined $new_path;
	$new_path =~ s/([^$URI::uric])/ URI::Escape::escape_char($1)/ego;
	utf8::downgrade($new_path);
	_check_path($new_path, $$self);
	$$self .= $new_path . $rest;
    }
    $2;
}

sub _check_path
{
    my($path, $pre) = @_;
    my $prefix;
    if ($pre =~ m,/,) {  # authority present
	$prefix = "/" if length($path) && $path !~ m,^[/?\#],;
    }
    else {
	if ($path =~ m,^//,) {
	    Carp::carp("Path starting with double slash is confusing")
		if $^W;
	}
	elsif (!length($pre) && $path =~ m,^[^:/?\#]+:,) {
	    Carp::carp("Path might look like scheme, './' prepended")
		if $^W;
	    $prefix = "./";
	}
    }
    substr($_[0], 0, 0) = $prefix if defined $prefix;
}

sub path_segments
{
    my $self = shift;
    my $path = $self->path;
    if (@_) {
	my @arg = @_;  # make a copy
	for (@arg) {
	    if (ref($_)) {
		my @seg = @$_;
		$seg[0] =~ s/%/%25/g;
		for (@seg) { s/;/%3B/g; }
		$_ = join(";", @seg);
	    }
	    else {
		 s/%/%25/g; s/;/%3B/g;
	    }
	    s,/,%2F,g;
	}
	$self->path(join("/", @arg));
    }
    return $path unless wantarray;
    map {/;/ ? $self->_split_segment($_)
             : uri_unescape($_) }
        split('/', $path, -1);
}

sub _split_segment
{
    my $self = shift;
    require URI::_segment;
    URI::_segment->new(@_);
}

sub abs
{
    my $self = shift;
    my $base = shift || Carp::croak("Missing base argument");

if (my $scheme = $self->scheme) {
	return $self unless $URI::ABS_ALLOW_RELATIVE_SCHEME;
	$base = URI->new($base) unless ref $base;
	return $self unless $scheme eq $base->scheme;
    }

$base = URI->new($base) unless ref $base;
    my $abs = $self->clone;
    $abs->scheme($base->scheme);
    return $abs if $$self =~ m,^(?:$URI::scheme_re:)?//,o;
    $abs->authority($base->authority);

my $path = $self->path;
    return $abs if $path =~ m,^/,;

if (!length($path)) {
	my $abs = $base->clone;
	my $query = $self->query;
	$abs->query($query) if defined $query;
	my $fragment = $self->fragment;
	$abs->fragment($fragment) if defined $fragment;
	return $abs;
    }

my $p = $base->path;
    $p =~ s,[^/]+$,,;
    $p .= $path;
    my @p = split('/', $p, -1);
    shift(@p) if @p && !length($p[0]);
    my $i = 1;
    while ($i < @p) {
	#print "$i ", join("/", @p), " ($p[$i])\n";
	if ($p[$i-1] eq ".") {
	    splice(@p, $i-1, 1);
	    $i-- if $i > 1;
	}
	elsif ($p[$i] eq ".." && $p[$i-1] ne "..") {
	    splice(@p, $i-1, 2);
	    if ($i > 1) {
		$i--;
		push(@p, "") if $i == @p;
	    }
	}
	else {
	    $i++;
	}
    }
    $p[-1] = "" if @p && $p[-1] eq ".";  # trailing "/."
    if ($URI::ABS_REMOTE_LEADING_DOTS) {
        shift @p while @p && $p[0] =~ /^\.\.?$/;
    }
    $abs->path("/" . join("/", @p));
    $abs;
}

# The opposite of $url->abs.  Return a URI which is as relative as possible
sub rel {
    my $self = shift;
    my $base = shift || Carp::croak("Missing base argument");
    my $rel = $self->clone;
    $base = URI->new($base) unless ref $base;

#my($scheme, $auth, $path) = @{$rel}{qw(scheme authority path)};
    my $scheme = $rel->scheme;
    my $auth   = $rel->canonical->authority;
    my $path   = $rel->path;

if (!defined($scheme) && !defined($auth)) {
	# it is already relative
	return $rel;
    }

#my($bscheme, $bauth, $bpath) = @{$base}{qw(scheme authority path)};
    my $bscheme = $base->scheme;
    my $bauth   = $base->canonical->authority;
    my $bpath   = $base->path;

for ($bscheme, $bauth, $auth) {
	$_ = '' unless defined
    }

unless ($scheme eq $bscheme && $auth eq $bauth) {
	# different location, can't make it relative
	return $rel;
    }

for ($path, $bpath) {  $_ = "/$_" unless m,^/,; }

# Make it relative by eliminating scheme and authority
    $rel->scheme(undef);
    $rel->authority(undef);

# This loop is based on code from Nicolai Langfeldt <janl@ifi.uio.no>.
    # First we calculate common initial path components length ($li).
    my $li = 1;
    while (1) {
	my $i = index($path, '/', $li);
	last if $i < 0 ||
                $i != index($bpath, '/', $li) ||
	        substr($path,$li,$i-$li) ne substr($bpath,$li,$i-$li);
	$li=$i+1;
    }
    # then we nuke it from both paths
    substr($path, 0,$li) = '';
    substr($bpath,0,$li) = '';

if ($path eq $bpath &&
        defined($rel->fragment) &&
        !defined($rel->query)) {
        $rel->path("");
    }
    else {
        # Add one "../" for each path component left in the base path
        $path = ('../' x $bpath =~ tr|/|/|) . $path;
	$path = "./" if $path eq "";
        $rel->path($path);
    }

$rel;
}

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