Yahoo! search interface: Difference between revisions
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Line 240:
for result in x.results:
print result.title</lang>
=={{header|Ruby}}==
Uses {{libheader|RubyGems}}{{libheader|Hpricot}}to parse the HTML. Someone more skillful than I at XPath or CSS could tighten up the <code>parse_html</code> method.
<lang ruby>require 'uri'
require 'open-uri'
require 'rubygems'
require 'hpricot'
SearchResult = Struct.new(:url, :title, :content)
class SearchYahoo
@@urlinfo = [nil, 'ca.search.yahoo.com', 80, '/search', nil, nil]
def initialize(term)
@term = term
@page = 1
@results = nil
@url = URI::HTTP.build(@@urlinfo)
end
def next_result
if not @results
@results = []
fetch_results
elsif @results.empty?
next_page
end
@results.shift
end
def fetch_results
@url.query = URI.escape("p=%s&b=%d" % [@term, @page])
doc = open(@url) { |f| Hpricot(f) }
parse_html(doc)
end
def next_page
@page += 10
fetch_results
end
def parse_html(doc)
doc.search("div#main").search("div").each do |div|
next unless div.has_attribute?("class") and div.get_attribute("class").index("res") == 0
result = SearchResult.new
div.search("a").each do |link|
next unless link.has_attribute?("class") and link.get_attribute("class") == "yschttl spt"
result.url = link.get_attribute("href")
result.title = link.inner_text
end
div.search("div").each do |abstract|
next unless abstract.has_attribute?("class") and abstract.get_attribute("class").index("abstr")
result.content = abstract.inner_text
end
@results << result
end
end
end
s = SearchYahoo.new("test")
15.times do |i|
result = s.next_result
puts i+1
puts result.title
puts result.url
puts result.content
puts
end</lang>
=={{header|Tcl}}==
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