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Contents
module Html2rss
module ItemExtractors
##
# Returns the value of the +href+ attribute.
# It always returns absolute URLs. If the extracted +href+ value is a
# relative URL, it prepends the channel's URL.
#
# Imagine this +a+ HTML element with a +href+ attribute:
#
# <a href="/posts/latest-findings">...</a>
#
# YAML usage example:
# channel:
# url: http://blog-without-a-feed.example.com
# ...
# selectors:
# link:
# selector: a
# extractor: href
#
# Would return:
# 'http://blog-without-a-feed.example.com/posts/latest-findings'
class Href
def initialize(xml, options)
@options = options
element = ItemExtractors.element(xml, options)
@href = element.attr('href').to_s
end
# @return [URI::HTTPS, URI::HTTP]
def get
Html2rss::Utils.build_absolute_url_from_relative(@href, @options['channel']['url'])
end
end
end
end
Version data entries
9 entries across 9 versions & 1 rubygems