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Server : Apache/2.4.43 (Win64) OpenSSL/1.1.1g PHP/7.4.6 System : Windows NT USER-PC 6.1 build 7601 (Windows 7 Professional Edition Service Pack 1) AMD64 User : User ( 0) PHP Version : 7.4.6 Disable Function : NONE Directory : C:/xampp/perl/lib/HTML/Perlinfo/ |
package HTML::Perlinfo::Common;
use CGI qw(escapeHTML);
our @ISA = qw(Exporter);
our @EXPORT = qw(initialize_globals print_table_colspan_header print_table_row print_table_color_start print_table_color_end print_color_box print_table_row_color print_table_start print_table_end print_box_start print_box_end print_hr print_table_header print_section print_license add_link check_path check_args check_module_args perl_version release_date process_args error_msg match_string);
require Exporter;
use Carp ();
our %links;
%links = (
'all' => 1,
'local' => 0,
'docs' => 1,
);
##### The following is lifted from File::Which 0.05 by Per Einar Ellefsen.
##### The check_path sub uses the which sub.
#############
use File::Spec;
my $Is_VMS = ($^O eq 'VMS');
my $Is_MacOS = ($^O eq 'MacOS');
my $Is_DOSish = (($^O eq 'MSWin32') or
($^O eq 'dos') or
($^O eq 'os2'));
# For Win32 systems, stores the extensions used for
# executable files
# For others, the empty string is used
# because 'perl' . '' eq 'perl' => easier
my @path_ext = ('');
if ($Is_DOSish) {
if ($ENV{PATHEXT} and $Is_DOSish) { # WinNT. PATHEXT might be set on Cygwin, but not used.
push @path_ext, split ';', $ENV{PATHEXT};
}
else {
push @path_ext, qw(.com .exe .bat); # Win9X or other: doesn't have PATHEXT, so needs hardcoded.
}
}
elsif ($Is_VMS) {
push @path_ext, qw(.exe .com);
}
sub which {
my ($exec) = @_;
return undef unless $exec;
my $all = wantarray;
my @results = ();
# check for aliases first
if ($Is_VMS) {
my $symbol = `SHOW SYMBOL $exec`;
chomp($symbol);
if (!$?) {
return $symbol unless $all;
push @results, $symbol;
}
}
if ($Is_MacOS) {
my @aliases = split /\,/, $ENV{Aliases};
foreach my $alias (@aliases) {
# This has not been tested!!
# PPT which says MPW-Perl cannot resolve `Alias $alias`,
# let's just hope it's fixed
if (lc($alias) eq lc($exec)) {
chomp(my $file = `Alias $alias`);
last unless $file; # if it failed, just go on the normal way
return $file unless $all;
push @results, $file;
# we can stop this loop as if it finds more aliases matching,
# it'll just be the same result anyway
last;
}
}
}
my @path = File::Spec->path();
unshift @path, File::Spec->curdir if $Is_DOSish or $Is_VMS or $Is_MacOS;
for my $base (map { File::Spec->catfile($_, $exec) } @path) {
for my $ext (@path_ext) {
my $file = $base.$ext;
if ((-x $file or # executable, normal case
($Is_MacOS || # MacOS doesn't mark as executable so we check -e
($Is_DOSish and grep { $file =~ /$_$/i } @path_ext[1..$#path_ext])
# DOSish systems don't pass -x on non-exe/bat/com files.
# so we check -e. However, we don't want to pass -e on files
# that aren't in PATHEXT, like README.
and -e _)
) and !-d _)
{ # and finally, we don't want dirs to pass (as they are -x)
return $file unless $all;
push @results, $file; # Make list to return later
}
}
}
if($all) {
return @results;
} else {
return undef;
}
}
## End File::Which code
sub check_path {
return add_link('local', which("$_[0]")) if which("$_[0]");
return "<i>not in path</i>";
}
sub match_string {
my($module_name, $string) = @_;
my $result = 0;
my @string = (ref $string eq 'ARRAY') ? @$string : ($string);
foreach(@string) {
$result = index(lc($module_name), lc($_));
last if ($result != -1);
}
return ($result == -1) ? 0 : 1;
}
sub perl_version {
my $version;
if ($] >= 5.006) {
$version = sprintf "%vd", $^V;
}
else { # else time to update Perl!
$version = "$]";
}
return $version;
}
sub release_date {
# when things escaped
%released = (
5.000 => '1994-10-17',
5.001 => '1995-03-14',
5.002 => '1996-02-96',
5.00307 => '1996-10-10',
5.004 => '1997-05-15',
5.005 => '1998-07-22',
5.00503 => '1999-03-28',
5.00405 => '1999-04-29',
5.006 => '2000-03-22',
5.006001 => '2001-04-08',
5.007003 => '2002-03-05',
5.008 => '2002-07-19',
5.008001 => '2003-09-25',
5.009 => '2003-10-27',
5.008002 => '2003-11-05',
5.006002 => '2003-11-15',
5.008003 => '2004-01-14',
5.00504 => '2004-02-23',
5.009001 => '2004-03-16',
5.008004 => '2004-04-21',
5.008005 => '2004-07-19',
5.008006 => '2004-11-27',
5.009002 => '2005-04-01',
5.008007 => '2005-05-30',
5.009003 => '2006-01-28',
5.008008 => '2006-01-31',
5.009004 => '2006-08-15',
5.009005 => '2007-07-07',
5.010000 => '2007-12-18',
);
# Do we have Module::Corelist
eval{require Module::CoreList};
if ($@) { # no
return ($released{$]}) ? $released{$]} : "unknown";
}
else { # yes
return ($Module::CoreList::released{$]}) ? $Module::CoreList::released{$]} : "unknown";
}
}
sub check_args {
my ($key, $value) = @_;
my ($message, %allowed);
@allowed{qw(docs local 0 1)} = ();
if (not exists $allowed{$key}) {
$message = "$key is an invalid links parameter";
}
elsif ($key =~ /(?:docs|local)/ && $value !~ /^(?:0|1)$/i) {
$message = "$value is an invalid value for the $key parameter in the links attribute";
}
error_msg("$message") if $message;
}
sub check_module_args {
my ($key, $value) = @_;
my ($message, %allowed);
@allowed{qw(from columns sort_by color link show_only section full_page show_inc show_dir files_in)} = ();
if (not exists $allowed{$key}) {
$message = "$key is an invalid print_modules parameter";
}
elsif ($key eq 'sort_by' && $value !~ /^(?:name|version)$/i) {
$message = "$value is an invalid sort";
}
elsif ($key =~ /^(?:color|link|columns|files_in)$/ && ref($value) ne 'ARRAY') {
$message = "The $key parameter value is not an array reference";
}
elsif ($key eq 'columns' && grep(!/^(?:name|version|desc|path|core)$/, @{$value})) {
$message = "Invalid column name in the $key parameter";
}
elsif ($key eq 'color' && @{$value} <= 1) {
$message = "You didn't specify a module to color";
}
elsif ($key eq 'link' && @{$value} <= 1 && $value->[0] != 0) {
$message = "You didn't provide a URL for the $key parameter";
}
elsif ($key eq 'show_only' && (ref($value) ne 'ARRAY') && lc $value ne 'core') {
$message = "$value is an invalid value for the $key parameter";
}
elsif ($key eq 'full_page' && $value != 0 && $value != 1 ) {
$message = "$value is an invalid value for the $key parameter";
}
elsif ($key eq 'link' && ($value->[0] ne 'all' && $value->[0] != 0 && ref($value->[0]) ne 'ARRAY')) {
$message = "Invalid first element in the $key parameter value";
}
error_msg("$message") if $message;
}
sub process_args {
# This sub returns a hash ref containing param args
my %params;
my $sub = pop @_ || die "No coderef provided\n"; # get the sub
if (defined $_[0]) {
while(my($key, $value) = splice @_, 0, 2) {
$sub->($key, $value);
if (exists $params{$key}){
@key_value = ref(${$params{$key}}[0]) eq 'ARRAY' ? @{$params{$key}} : $params{$key};
push @key_value,$value;
$new_val = [@key_value];
$params{$key} = $new_val;
}
else {
$params{$key} = $value;
}
}
}
return \%params;
}
sub error_msg {
local $Carp::CarpLevel = $Carp::CarpLevel + 1;
Carp::croak "User error: $_[0]";
}
# HTML subs
sub print_table_colspan_header {
return sprintf("<tr class=\"h\"><th colspan=\"%d\">%s</th></tr>\n", $_[0], $_[1]);
}
sub print_table_row {
my $num_cols = $_[0];
my $HTML = "<tr>";
for ($i=0; $i<$num_cols; $i++) {
$HTML .= sprintf("<td class=\"%s\">", ($i==0 ? "e" : "v" ));
my $row_element = $_[$i+1];
if ((not defined ($row_element)) || ($row_element !~ /\S/)) {
$HTML .= "<i>no value</i>";
} else {
my $elem_esc;
if ($row_element eq "<i>no value</i>") {
$elem_esc = $row_element;
} else {
$elem_esc = escapeHTML($row_element);
}
$HTML .= "$elem_esc";
}
$HTML .= " </td>";
}
$HTML .= "</tr>\n";
return $HTML;
}
sub print_table_color_start {
return qq~<table class="modules" cellpadding=4 cellspacing=4 border=0 width="600"><tr>\n~;
}
sub print_table_color_end {
return '</tr></table>';
}
sub print_color_box {
return qq ~<td>
<table border=0>
<tr><td>
<table class="modules" border=0 width=50 height=50 align=left bgcolor="$_[0]">
<tr bgcolor="$_[0]">
<td color="$_[0]">
</td>
</tr>
</table>
</tr></td>
<tr><td><small>$_[1]</small></td></tr>
</table>
</td>~;
}
sub print_table_row_color {
my $num_cols = $_[0];
my $HTML = $_[1] ? "<tr bgcolor=\"$_[1]\">" : "<tr>";
for ($i=0; $i<$num_cols; $i++) {
$HTML .= $_[1] ? "<td bgcolor=\"$_[1]\">" : sprintf("<td class=\"%s\">", ($i==0 ? "e" : "v" ));
my $row_element = $_[$i+2]; # start at the 2nd element
if ((not defined ($row_element)) || ($row_element !~ /\S/)) {
$HTML .= "<i>no value</i>";
} else {
my $elem_esc = $row_element;
$HTML .= "$elem_esc";
}
$HTML .= " </td>";
}
$HTML .= "</tr>\n";
return $HTML;
}
sub print_table_start {
return "<table border=\"0\" cellpadding=\"3\" width=\"600\">\n";
}
sub print_table_end {
return "</table><br />\n";
}
sub print_box_start {
my $HTML = print_table_start();
$HTML .= ($_[0] == 1) ? "<tr class=\"h\"><td>\n" : "<tr class=\"v\"><td>\n";
return $HTML;
}
sub print_box_end {
my $HTML = "</td></tr>\n";
$HTML .= print_table_end();
return $HTML;
}
sub print_hr {
return "<hr />\n";
}
sub print_table_header {
my($num_cols) = $_[0];
my $HTML = "<tr class=\"h\">";
my $i;
for ($i=0; $i<$num_cols; $i++) {
my $row_element = $_[$i+1];
$row_element = " " if (!$row_element);
$HTML .= "<th>$row_element</th>";
}
return "$HTML</tr>\n";
}
sub print_section {
return "<h2>" . $_[0] . "</h2>\n";
}
sub print_perl_license {
return <<"END_OF_HTML";
<p>
This program is free software; you can redistribute it and/or modify it under the terms of
either the Artistic License or the GNU General Public License, which may be found in the Perl 5 source kit.
</p>
<p>
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
</p>
<p>
Complete documentation for Perl, including FAQ lists, should be found on
this system using `man perl' or `perldoc perl'. If you have access to the
Internet, point your browser at @{[ add_link('same', 'http://www.perl.org/')]}, the Perl directory.
</p>
END_OF_HTML
}
sub print_license {
return join '', print_section("Perl License"),
print_box_start(0),
print_perl_license(),
print_box_end();
}
sub add_link {
my ($type, $value, $link) = @_;
return $value unless $links{'all'};
if ($type eq "cpan") {
return $value if $link && $link->[0] =~ /^[0]$/;
if ($link) {
if (ref $link->[0] eq 'ARRAY' && ref $link->[1] ne 'ARRAY') {
foreach (@{$link->[0]}) {
if ($_ eq 'all' or match_string($value,$_)==1) {
return '<a href=' . $link->[1] . $value .
qq~ title="Click here to see $value documentation [Opens in a new window]"
target="_blank">$value</a> ~
}
}
}
elsif (ref $link->[0] eq 'ARRAY' && ref $link->[1] eq 'ARRAY'){
foreach my $lv (@$link) {
if (ref $lv->[0] eq 'ARRAY') {
foreach(@{$lv->[0]}) {
if ($_ eq 'all' or match_string($value,$_)==1) {
return '<a href=' . $lv->[1] . $value .
qq~ title="Click here to see $value documentation [Opens in a new window]"
target="_blank">$value</a> ~
}
}
}
else {
if ($lv->[0] eq 'all' or match_string($value,$lv->[0])==1) {
return '<a href=' . $lv->[1] . $value .
qq~ title="Click here to see $value documentation [Opens in a new window]"
target="_blank">$value</a> ~
}
}
}
}
elsif ($link->[0] eq 'all' or match_string($value,$link->[0])==1) {
return '<a href=' . $link->[1] . $value .
qq~ title="Click here to see $value documentation [Opens in a new window]"
target="_blank">$value</a> ~
}
}
return qq~ <a href="http://search.cpan.org/perldoc?$value"
title="Click here to see $value on CPAN [Opens in a new window]" target="_blank">$value</a> ~;
}
elsif ($type eq "config") {
return $value unless $links{'docs'};
my ($letter) = $value =~ /^(.)/;
return qq! <a href="http://search.cpan.org/~aburlison/Solaris-PerlGcc-1.3/config/5.006001/5.10/sparc/Config.pm#$letter">$value</a> !;
}
elsif ($type eq "local") {
return $value unless $links{'local'};
return qq~ <a href="file://$value" title="Click here to see $value [Opens in a new window]" target="_blank">$value</a> ~;
}
elsif ($type eq "same") {
return qq~ <a href="$value">$value</a> ~;
}
}
1;