Module | Hpricot::Doc::Trav |
In: |
lib/hpricot/modules.rb
lib/hpricot/traverse.rb lib/hpricot/modules.rb lib/hpricot/traverse.rb |
author searches author and return it as a text. It returns nil if not found.
author searchs following information.
# File lib/hpricot/traverse.rb, line 743 def author traverse_element('meta', '{http://www.w3.org/1999/xhtml}meta') {|e| begin next unless e.fetch_attr('name').downcase == 'author' author = e.fetch_attribute('content').strip return author if !author.empty? rescue IndexError end } traverse_element('link', '{http://www.w3.org/1999/xhtml}link') {|e| begin next unless e.fetch_attr('rev').downcase == 'made' author = e.fetch_attribute('title').strip return author if !author.empty? rescue IndexError end } if channel = find_element('{http://purl.org/rss/1.0/}channel') channel.traverse_element('{http://purl.org/dc/elements/1.1/}creator') {|e| begin author = e.extract_text.strip return author if !author.empty? rescue IndexError end } channel.traverse_element('{http://purl.org/dc/elements/1.1/}publisher') {|e| begin author = e.extract_text.strip return author if !author.empty? rescue IndexError end } end nil end
author searches author and return it as a text. It returns nil if not found.
author searchs following information.
# File lib/hpricot/traverse.rb, line 743 def author traverse_element('meta', '{http://www.w3.org/1999/xhtml}meta') {|e| begin next unless e.fetch_attr('name').downcase == 'author' author = e.fetch_attribute('content').strip return author if !author.empty? rescue IndexError end } traverse_element('link', '{http://www.w3.org/1999/xhtml}link') {|e| begin next unless e.fetch_attr('rev').downcase == 'made' author = e.fetch_attribute('title').strip return author if !author.empty? rescue IndexError end } if channel = find_element('{http://purl.org/rss/1.0/}channel') channel.traverse_element('{http://purl.org/dc/elements/1.1/}creator') {|e| begin author = e.extract_text.strip return author if !author.empty? rescue IndexError end } channel.traverse_element('{http://purl.org/dc/elements/1.1/}publisher') {|e| begin author = e.extract_text.strip return author if !author.empty? rescue IndexError end } end nil end
# File lib/hpricot/traverse.rb, line 787 def root es = [] children.each {|c| es << c if c.elem? } raise Hpricot::Error, "no element" if es.empty? raise Hpricot::Error, "multiple top elements" if 1 < es.length es[0] end
# File lib/hpricot/traverse.rb, line 787 def root es = [] children.each {|c| es << c if c.elem? } raise Hpricot::Error, "no element" if es.empty? raise Hpricot::Error, "multiple top elements" if 1 < es.length es[0] end
title searches title and return it as a text. It returns nil if not found.
title searchs following information.
# File lib/hpricot/traverse.rb, line 726 def title e = find_element('title', '{http://www.w3.org/1999/xhtml}title', '{http://purl.org/rss/1.0/}title', '{http://my.netscape.com/rdf/simple/0.9/}title') e && e.extract_text end
title searches title and return it as a text. It returns nil if not found.
title searchs following information.
# File lib/hpricot/traverse.rb, line 726 def title e = find_element('title', '{http://www.w3.org/1999/xhtml}title', '{http://purl.org/rss/1.0/}title', '{http://my.netscape.com/rdf/simple/0.9/}title') e && e.extract_text end