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Contents
# frozen_string_literal: true
class Grover
#
# Helper module for preparing HTML for conversion
#
# Sourced from the PDFKit project
# @see https://github.com/pdfkit/pdfkit
#
module HTMLPreprocessor
# Change relative paths to absolute, and relative protocols to absolute protocols
def self.process(html, root_url, protocol)
html = translate_relative_paths(html, root_url) if root_url
html = translate_relative_protocols(html, protocol) if protocol
html
end
def self.translate_relative_paths(html, root_url)
# Try out this regexp using rubular http://rubular.com/r/hiAxBNX7KE
html.gsub(%r{(href|src)=(['"])/([^/"']([^\"']*|[^"']*))?['"]}, "\\1=\\2#{root_url}\\3\\2")
end
private_class_method :translate_relative_paths
def self.translate_relative_protocols(body, protocol)
# Try out this regexp using rubular http://rubular.com/r/0Ohk0wFYxV
body.gsub(%r{(href|src)=(['"])//([^\"']*|[^"']*)['"]}, "\\1=\\2#{protocol}://\\3\\2")
end
private_class_method :translate_relative_protocols
end
end
Version data entries
13 entries across 13 versions & 1 rubygems