HTML::ValidationRules #kansaipm 14

Transcript

1. HTML::ValidationRules
   id:antipop / @kentaro
   Kansai.pm #14
   

   View Slide

2. Validator Modules
   are
   Too Complicated to
   Understand
   

   View Slide

3. • FormValidtor::*
   • Class::Validotor
   • Data::Validator
   • etc.
   

   View Slide

4. There’re too
   many validation
   modules around.
   

   View Slide

5. I can’t learn so
   many modules.
   

   View Slide

6. HTML5 Client Side
   Form Validation Spec.
   can be regarded as a
   subset / basis of
   general validation
   rules.
   

   View Slide

7. View Slide

8. Client-side Validation
   

   View Slide

9. Just use it.
   

   View Slide

10. HTML::ValidationRules
    Written by id:antipop
    id:wakabatan
    

    View Slide

11. • Extracts validation
    rules from HTML form
    • Validate server-side
    queries with it
    • Common rules
    between client-side and
    server-side
    

    View Slide

12. 
    
    
    
    HTML5::ValidationRules
    
    
    
    maxlength="255" />
    
    required="required" />
    max="800" />
    
    textarea>
    
    
    
    
    
    

    View Slide

13. use HTML::ValidationRules;
    my $parser = HTML::ValidationRules->new;
    my $rules = $parser->load_rules(file => 'form.html');
    # rules will be extracted as follows:
    # [
    # text => [ [ HTML_PATTERN => '[A-Za-z0-9]+' ],
    [ HTML_MAXLENGTH => 255 ] ],
    # url => [ HTML_URL => [ HTML_MAXLENGTH =>
    255 ], 'NOT_BLANK' ],
    # email => [ HTML_EMAIL => [ HTML_MAXLENGTH =>
    255 ], 'NOT_BLANK' ],
    # number => [ HTML_NUMBER => [ HTML_MIN => 200 ],
    [ HTML_MAX => 800 ] ],
    # textarea => [ [ HTML_MAXLENGTH => 1000 ],
    'NOT_BLANK' ],
    # range => [ HTML_RANGE => [ HTML_MIN => 20 ],
    [ HTML_MAX => 80 ] ],
    # ]
    

    View Slide

14. use FormValidator::Simple qw(HTML);
    my $query = CGI->new;
    my $result = FormValidator::Simple-
    >check($query => $rules);
    # or FormValidator::Lite
    use FormValidator::Lite;
    FormValidator::Lite->load_constraints('HTML');
    my $query = CGI->new;
    my $validator = FormValidator::Lite-
    >new($query);
    my $result = $validator->check(@$rules);
    

    View Slide

15. Use HTML5 Client-Side
    Form Validation also for
    Server-Side Validation
    Rules
    

    View Slide