Sha256: c89fb6c05aca3dfe85999deed88cff093798d38ec57f6dcd0dc217942d9927c4
Contents?: true
Size: 1.47 KB
Versions: 3
Compression:
Stored size: 1.47 KB
Contents
require 'archive/zip'
module EPUB
class OCF
class PhysicalContainer
class ArchiveZip < self
def initialize(container_path)
super
@entries = {}
@last_iterated_entry_index = 0
end
def open
Archive::Zip.open @container_path do |archive|
@monitor.synchronize do
@archive = archive
begin
yield self
ensure
@archive = nil
end
end
end
end
def read(path_name)
if @archive
target_index = @entries[path_name]
@archive.each.with_index do |entry, index|
if target_index
if target_index == index
return entry.file_data.read
else
next
end
end
next if index < @last_iterated_entry_index
# We can force encoding UTF-8 because EPUB spec allows only UTF-8 filenames
entry_path = entry.zip_path.force_encoding('UTF-8')
@entries[entry_path] = index
@last_iterated_entry_index = index
if entry_path == path_name
return entry.file_data.read
end
end
raise NoEntry, "Entry not found: #{path_name}"
else
open {|container| container.read(path_name)}
end
end
end
end
end
end
Version data entries
3 entries across 3 versions & 1 rubygems