Class: Rackful::Parser::XHTML

Inherits:

DOM

• Object
• Rackful::Parser
• DOM
• Rackful::Parser::XHTML

show all

Defined in:

lib/rackful/parser.rb

Overview

Constant Summary

MEDIA_TYPES =

The media types parsed by this parser.

See Also:

• Rackful::Parser

Parser::DOM::MEDIA_TYPES + [
  'application/xhtml+xml',
  'text/html'
]

Instance Attribute Summary (collapse)

• - (Nokogiri::XML::Document) document inherited from DOM readonly
• - (Request) request inherited from Rackful::Parser readonly
• - (Resource) resource inherited from Rackful::Parser readonly

Instance Method Summary (collapse)

• - (void) parse

115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143

# File 'lib/rackful/parser.rb', line 115

def parse
  # Try to find the actual content:
  content = self.document.root.xpath(
    '//html:div[@id="rackful-content"]',
    'html' => 'http://www.w3.org/1999/xhtml'
  )
  # There must be exactly one element <div id="rackful_content"/> in the document:
  if content.empty?
    raise HTTP400BadRequest, 'Couldn’t find div#rackful-content in request body.'
  end
  if content.length > 1
    raise HTTP400BadRequest, 'Multiple instances of div#rackful-content found in request body.'
  end
  # Initialize @base_url:
  base_url = self.document.root.xpath(
    '/html:html/html:head/html:base',
    'html' => 'http://www.w3.org/1999/xhtml'
  )
  if base_url.empty?
    @base_url = self.request.canonical_uri.dup
  else
    @base_url = URI( base_url.first.attribute('href').text ).normalize
    if @base_url.relative?
      @base_url = self.request.canonical_uri + @base_url
    end
  end
  # Parse the f*cking thing:
  self.parse_recursive content.first
end