CGI Extensions

Methods

esc escformat marshal_from_cgi marshal_to_cgi

Public Instance methods

esc(str)

Return an html "safe" version of the string, where every &, < and > are replaced with appropriate entities.

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# File lib/lore/facets/cgi.rb, line 33
  def esc(str)
    str.gsub(/&/,'&amp;').gsub(/</,'&lt;').gsub(/>/,'&gt;')
  end

escformat(str)

Calls esc, and then further replaces carriage returns and quote characters with entities.

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# File lib/lore/facets/cgi.rb, line 38
  def escformat(str)
    esc(str).gsub(/[\r\n]+/,'&#13;&#10;').gsub(%r|"|,'&quot;').gsub(%r|'|,'&#39;')
  end

marshal_from_cgi(name)

Create an hidden input field through which an object can can be marshalled. This makes it very easy to pass from data between requests.

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# File lib/lore/facets/cgi.rb, line 21
  def marshal_from_cgi(name)
    if self.params.has_key?("__#{name}__")
      return Marshal.load(CGI.unescape(self["__#{name}__"][0]))
    end
  end

marshal_to_cgi(name, iobj)

Create an hidden input field through which an object can can be marshalled. This makes it very easy to pass from data betwenn requests.

[ + ]

# File lib/lore/facets/cgi.rb, line 14
  def marshal_to_cgi(name, iobj)
    data = CGI.escape(Marshal.dump(iobj))
    return %Q{<input type="hidden" name="__#{name}__" value="#{data}"/>\n}
  end