Module: CGI::TagMaker

Defined in:
lib/cgi/html.rb

Overview

Base module for HTML-generation mixins.

Provides methods for code generation for tags following the various DTD element types.

Instance Method Summary collapse

Instance Method Details

#nn_element_def(element) ⇒ Object

Generate code for an element with required start and end tags.

- -



11
12
13
14
15
16
17
18
19
20
 
# File 'lib/cgi/html.rb', line 11

def nn_element_def(element)
  nOE_element_def(element, "      if block_given?\n        yield.to_s\n      else\n        \"\"\n      end +\n      \"</\#{element.upcase}>\"\n  END\nend\n")

#nO_element_def(element) ⇒ Object

Generate code for an element for which the end (and possibly the start) tag is optional.

O O or - O



46
47
48
49
50
51
52
53
54
 
# File 'lib/cgi/html.rb', line 46

def nO_element_def(element)
  nOE_element_def(element, "      if block_given?\n        yield.to_s + \"</\#{element.upcase}>\"\n      else\n        \"\"\n      end\n  END\nend\n")

#nOE_element_def(element, append = nil) ⇒ Object

Generate code for an empty element.

- O EMPTY



25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
 
# File 'lib/cgi/html.rb', line 25

def nOE_element_def(element, append = nil)
  s = "      attributes={attributes=>nil} if attributes.kind_of?(String)\n      \"<\#{element.upcase}\" + attributes.collect{|name, value|\n        next unless value\n        \" \" + CGI::escapeHTML(name.to_s) +\n        if true == value\n          \"\"\n        else\n          '=\"' + CGI::escapeHTML(value.to_s) + '\"'\n        end\n      }.join + \">\"\n  END\n  s.sub!(/\\Z/, \" +\") << append if append\n  s\nend\n"