require 'nokogiri'
require 'zip'
-require './author'
-require './cover'
+require 'author'
+require 'cover'
class Book
def initialize(fileName)
return false
end
+ #puts "Filename: " + fileName.to_s
lowerName = fileName.downcase()
if lowerName.end_with?(".epub")
return false
end
+ def cover
+ return @cover
+ end
+
+ def describe
+ result = []
+
+ if nil != @title
+ result.push('<b>' + @title + '</b>')
+ else
+ result.push('<i>(Unknown title)</i>')
+ end
+ if nil != @author
+ result.push(@author.to_s())
+ end
+
+ seriesInfo = []
+ if nil != @series
+ seriesInfo.push(@series.to_s)
+ end
+ if nil != @volume
+ seriesInfo.push(@volume.to_s)
+ end
+ if seriesInfo.length > 0
+ result.push(seriesInfo.join(' '))
+ end
+
+ return result.join('<br/>')
+ end
+
def inspect
data = []
if nil != @author
return '(Book:' + data.join(',') + ')'
end
+ def path
+ @path
+ end
+
def to_s
return inspect()
end
protected
def scanEpub!(fileName)
- Zip::File.open(fileName) do |zipfile|
- contXml = zipfile.read('META-INF/container.xml')
- contDoc = Nokogiri::XML(contXml)
- opfPath = contDoc.css("container rootfiles rootfile")[0]['full-path']
+ #puts 'Scanning "' + fileName.to_s + '"...'
+ begin
+ Zip::File.open(fileName) do |zipfile|
+ entry = zipfile.find_entry('META-INF/container.xml')
+ if nil == entry
+ return
+ end
+ contXml = zipfile.read('META-INF/container.xml')
+ contDoc = Nokogiri::XML(contXml)
+ opfPath = contDoc.css("container rootfiles rootfile")[0]['full-path']
- scanOpf!(zipfile, opfPath)
+ scanOpf!(zipfile, opfPath)
+ end
+ rescue Zip::Error => exc
+ puts 'ERROR processing file "' + fileName + '":'
+ puts exc.message
+ puts exc.backtrace
end
end
# Author
creator = opfDoc.css('dc|creator', 'dc' => 'http://purl.org/dc/elements/1.1/')
- if nil != creator
+ if (nil != creator) and (creator.length > 0)
roleNode = creator.attr('role')
if nil != roleNode
role = roleNode.value
- if 'aut' == role
+ if ('aut' == role) and (creator.children.length > 0) and (nil != creator.children[0])
name = creator.children[0].content
parts = name.split(' ')
if parts.length > 1
#---------------
# Load the cover
+ @cover = loadCover(zipfile, opfPath, opfDoc, coverId)
+ end
+
+ protected
+ def loadCover(zipfile, opfPath, opfDoc, coverId)
coverFile = nil
- if nil != coverId
- items = opfDoc.css('package manifest item')
- for i in items
- href = i['href']
- id = i['id']
- mimeType = i['media-type']
-
- if coverId == id
- entry = zipfile.find_entry(href)
+ if nil == coverId
+ coverId = "cover-image"
+ end
+
+ items = opfDoc.css('package manifest item')
+ for i in items
+ href = i['href']
+ id = i['id']
+ mimeType = i['media-type']
+
+ if coverId == id
+ entry = zipfile.find_entry(href)
+
+ if nil == entry
+ # Although the epub standard requires the path to be relative
+ # to the base of the epub (zip), some books encountered in the
+ # wild have been found to use a bath relative to the location
+ # of the opf file.
+ parts = opfPath.split('/')
+ opfBasePath = opfPath.split('/')[0..-2].join('/')
+ coverPath = opfBasePath + '/' + href
+ entry = zipfile.find_entry(coverPath)
+ end
+
+ if nil == entry
+ puts 'WARNING! Cover image "' + href + '" not found in file "' + @path + '".'
+ return nil
+ else
entry.get_input_stream() do |is|
- @cover = Cover.new(is, href, mimeType)
+ return Cover.new(is, href, mimeType)
end
end
end
end
+ return nil
end
end