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CGI::Pretty(3pm)					User Contributed Perl Documentation					  CGI::Pretty(3pm)

NAME
CGI::Pretty - module to produce nicely formatted HTML code SYNOPSIS
use CGI::Pretty qw( :html3 ); # Print a table with a single data element print table( TR( td( "foo" ) ) ); DESCRIPTION
CGI::Pretty is a module that derives from CGI. It's sole function is to allow users of CGI to output nicely formatted HTML code. When using the CGI module, the following code: print table( TR( td( "foo" ) ) ); produces the following output: <TABLE><TR><TD>foo</TD></TR></TABLE> If a user were to create a table consisting of many rows and many columns, the resultant HTML code would be quite difficult to read since it has no carriage returns or indentation. CGI::Pretty fixes this problem. What it does is add a carriage return and indentation to the HTML code so that one can easily read it. print table( TR( td( "foo" ) ) ); now produces the following output: <TABLE> <TR> <TD>foo</TD> </TR> </TABLE> Recommendation for when to use CGI::Pretty CGI::Pretty is far slower than using CGI.pm directly. A benchmark showed that it could be about 10 times slower. Adding newlines and spaces may alter the rendered appearance of HTML. Also, the extra newlines and spaces also make the file size larger, making the files take longer to download. With all those considerations, it is recommended that CGI::Pretty be used primarily for debugging. Tags that won't be formatted The following tags are not formatted: <a>, <pre>, <code>, <script>, <textarea>, and <td>. If these tags were formatted, the user would see the extra indentation on the web browser causing the page to look different than what would be expected. If you wish to add more tags to the list of tags that are not to be touched, push them onto the @AS_IS array: push @CGI::Pretty::AS_IS,qw(XMP); Customizing the Indenting If you wish to have your own personal style of indenting, you can change the $INDENT variable: $CGI::Pretty::INDENT = " "; would cause the indents to be two tabs. Similarly, if you wish to have more space between lines, you may change the $LINEBREAK variable: $CGI::Pretty::LINEBREAK = " "; would create two carriage returns between lines. If you decide you want to use the regular CGI indenting, you can easily do the following: $CGI::Pretty::INDENT = $CGI::Pretty::LINEBREAK = ""; AUTHOR
Brian Paulsen <Brian@ThePaulsens.com>, with minor modifications by Lincoln Stein <lstein@cshl.org> for incorporation into the CGI.pm distribution. Copyright 1999, Brian Paulsen. All rights reserved. This library is free software; you can redistribute it and/or modify it under the same terms as Perl itself. Bug reports and comments to Brian@ThePaulsens.com. You can also write to lstein@cshl.org, but this code looks pretty hairy to me and I'm not sure I understand it! SEE ALSO
CGI perl v5.14.2 2011-01-24 CGI::Pretty(3pm)

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CGI::Emulate::PSGI(3pm) 				User Contributed Perl Documentation				   CGI::Emulate::PSGI(3pm)

NAME
CGI::Emulate::PSGI - PSGI adapter for CGI SYNOPSIS
my $app = CGI::Emulate::PSGI->handler(sub { # Existing CGI code }); DESCRIPTION
This module allows an application designed for the CGI environment to run in a PSGI environment, and thus on any of the backends that PSGI supports. It works by translating the environment provided by the PSGI specification to one expected by the CGI specification. Likewise, it captures output as it would be prepared for the CGI standard, and translates it to the format expected for the PSGI standard using CGI::Parse::PSGI module. CGI.pm If your application uses CGI, be sure to cleanup the global variables in the handler loop yourself, so: my $app = CGI::Emulate::PSGI->handler(sub { use CGI; CGI::initialize_globals(); my $q = CGI->new; # ... }); Otherwise previous request variables will be reused in the new requests. Alternatively, you can install and use CGI::Compile from CPAN and compiles your existing CGI scripts into a sub that is perfectly ready to be converted to PSGI application using this module. my $sub = CGI::Compile->compile("/path/to/script.cgi"); my $app = CGI::Emulate::PSGI->handler($sub); This will take care of assigning an unique namespace for each script etc. See CGI::Compile for details. You can also consider using CGI::PSGI but that would require you to slightly change your code from: my $q = CGI->new; # ... print $q->header, $output; into: use CGI::PSGI; my $app = sub { my $env = shift; my $q = CGI::PSGI->new($env); # ... return [ $q->psgi_header, [ $output ] ]; }; See CGI::PSGI for details. METHODS
handler my $app = CGI::Emulate::PSGI->handler($code); Creates a PSGI application code reference out of CGI code reference. emulate_environment my %env = CGI::Emulate::PSGI->emulate_environment($env); Creates an environment hash out of PSGI environment hash. If your code or framework just needs an environment variable emulation, use this method like: local %ENV = (%ENV, CGI::Emulate::PSGI->emulate_environment($env)); # run your application If you use "handler" method to create a PSGI environment hash, this is automatically called in the created application. AUTHOR
Tokuhiro Matsuno <tokuhirom@cpan.org> Tatsuhiko Miyagawa COPYRIGHT AND LICENSE
Copyright (c) 2009-2010 by tokuhirom. This program is free software; you can redistribute it and/or modify it under the same terms as Perl itself. The full text of the license can be found in the LICENSE file included with this module. SEE ALSO
PSGI CGI::Compile CGI::PSGI Plack CGI::Parse::PSGI perl v5.14.2 2012-03-18 CGI::Emulate::PSGI(3pm)

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