Class: Microformats::Parser

Inherits:
ParserCore show all
Defined in:
lib/microformats/parser.rb

Constant Summary

Constants inherited from ParserCore

Microformats::ParserCore::FORMAT_CLASS_REG_EXP, Microformats::ParserCore::PROPERTY_CLASS_REG_EXP, Microformats::ParserCore::VALUE_CLASS_REG_EXP, Microformats::ParserCore::VALUE_TITLE_CLASS_REG_EXP

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/microformats/parser.rb', line 5

def initialize
  @http_headers = {}
  super
end

Instance Attribute Details

#http_body ⇒ Object (readonly)

Returns the value of attribute http_body.



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# File 'lib/microformats/parser.rb', line 3

def http_body
  @http_body
end

#http_headers ⇒ Object (readonly)

Returns the value of attribute http_headers.



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# File 'lib/microformats/parser.rb', line 3

def http_headers
  @http_headers
end

Instance Method Details

#parse(html, base: nil, headers: {}) ⇒ Object 



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# File 'lib/microformats/parser.rb', line 10

def parse(html, base: nil, headers: {})
  @http_headers = {}

  @items = []
  @rels = {}
  @rel_urls = {}

  @alternates = []

  @base = base

  html = read_html(html, headers: headers)
  document = Nokogiri::HTML(html)

  found_base = parse_base(document)
  @base = found_base unless found_base.nil?

  document.traverse do |node|
    if !node.attribute('src').nil?
      absolute_url = Microformats::AbsoluteUri.new(node.attribute('src').value.to_s, base: @base).absolutize
      node.attribute('src').value = absolute_url.to_s
    elsif !node.attribute('href').nil?
      absolute_url = Microformats::AbsoluteUri.new(node.attribute('href').value.to_s, base: @base).absolutize
      node.attribute('href').value = absolute_url.to_s
    end
  end

  parse_node(document)
  parse_rels(document)

  Collection.new('items' => @items, 'rels' => @rels, 'rel-urls' => @rel_urls)
end

#read_html(html, headers: {}) ⇒ Object 



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# File 'lib/microformats/parser.rb', line 43

def read_html(html, headers: {})
  stripped_html = html.strip

  (URI.respond_to?(:open) ? URI : Kernel).open(stripped_html, **headers) do |response|
    @http_headers = response.meta if response.respond_to?(:meta)
    @http_body = response.read
  end

  @base = stripped_html if @base.nil?

  @http_body
rescue Errno::ENOENT, Errno::ENAMETOOLONG
  @http_body = html
end