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Versions: 15
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Contents
require 'rubygems'
require 'nokogiri'
module GEPUB
class Manifest
include XMLUtil
attr_accessor :opf_version
def self.parse(manifest_xml, opf_version = '3.0', id_pool = Package::IDPool.new)
Manifest.new(opf_version, id_pool) {
|manifest|
manifest.instance_eval {
@xml = manifest_xml
@namespaces = @xml.namespaces
@attributes = attr_to_hash(@xml.attributes)
@items = {}
@items_by_href = {}
@xml.xpath("//#{ns_prefix(OPF_NS)}:manifest/#{ns_prefix(OPF_NS)}:item", @namespaces).map {
|item|
i = Item.create(self, attr_to_hash(item.attributes))
@items[i.id] = i
@items_by_href[i.href] = i
}
}
}
end
def id=(val)
@attributes['id'] = val
end
def id
@attributes['id']
end
def initialize(opf_version = '3.0', id_pool = Package::IDPool.new)
@id_pool = id_pool
@attributes = {}
@items = {}
@items_by_href = {}
@opf_version = opf_version
yield self if block_given?
end
def item_list
@items.dup
end
def items
@items.dup
end
def item_by_href(href)
@items_by_href[href]
end
def add_item(id,href,media_type, attributes = {})
id ||= @id_pool.generate_key(:prefix=>'item_'+ File.basename(href,'.*'), :without_count => true)
@items[id] = item = Item.new(id,href,media_type,self, attributes)
@items_by_href[href] = item
item
end
def to_xml(builder)
builder.manifest(@attributes) {
@items.each {
|itemid, item|
item.to_xml(builder, @opf_version)
}
}
end
def register_item(item)
raise "id '#{item.id}' is already in use." if @id_pool[item.id]
@id_pool[item.id] = true
end
def unregister_item(item)
@items.delete(item.id)
@items_by_href.delete(item.href)
@id_pool[item.id] = nil
end
end
end
Version data entries
15 entries across 15 versions & 1 rubygems