Sha256: 14e893c3bf34fd3935b0296e36a45d1170c8593acd8d5507316759ec11f4a0fd
Contents?: true
Size: 1.16 KB
Versions: 17
Compression:
Stored size: 1.16 KB
Contents
require 'English'
require 'epub/parser'
require 'epub/cfi'
require 'nokogiri'
def usage
<<EOS
USAGE:
ruby #{$PROGRAM_NAME} ELEMENT EPUB
EOS
end
def main(argv)
elem_name = argv.shift
epub_path = argv.shift
if elem_name.nil? or epub_path.nil?
abort usage
end
spine_step = EPUB::CFI::Step.new(6)
epub = EPUB::Parser.parse(epub_path)
epub.package.spine.each_itemref.with_index do |itemref, i|
assertion = itemref.id ? EPUB::CFI::IDAssertion.new(itemref.id) : nil
itemref_step = EPUB::CFI::Step.new((i + 1) * 2, assertion)
path_to_itemref = EPUB::CFI::Path.new([spine_step, itemref_step])
itemref.item.content_document.nokogiri.search(elem_name).each do |elem|
path = find_path(elem)
location = EPUB::CFI::Location.new([path_to_itemref, path])
puts
puts location
puts elem
end
end
end
def find_path(elem)
steps = []
until elem.parent.document?
index = elem.parent.element_children.index(elem)
assertion = elem["id"] ? EPUB::CFI::IDAssertion.new(elem["id"]) : nil
steps.unshift EPUB::CFI::Step.new((index + 1) * 2, assertion)
elem = elem.parent
end
EPUB::CFI::Path.new(steps)
end
main ARGV
Version data entries
17 entries across 17 versions & 1 rubygems