Class: GEPUB::Metadata
- Inherits:
-
Object
- Object
- GEPUB::Metadata
- Defined in:
- lib/gepub/metadata.rb,
lib/gepub/metadata_add.rb
Overview
Holds data in /package/metadata
Defined Under Namespace
Classes: NilContent
Constant Summary collapse
- CONTENT_NODE_LIST =
['identifier', 'title', 'language', 'contributor', 'creator', 'coverage', 'date','description','format','publisher','relation','rights','source','subject','type'].each { |node| define_method(node + '_list') { @content_nodes[node].dup. } define_method(node + '_clear') { if !@content_nodes[node].nil? @content_nodes[node].each { |x| (x) }; @content_nodes[node] = [] end } next if node == 'title' define_method(node, ->(content=UNASSIGNED, deprecated_id=nil, id:nil, title_type: nil,identifier_type: nil,display_seq: nil,file_as: nil,group_position: nil,role: nil, lang: nil, alternates: {}) { if unassigned?(content) get_first_node(node) else if deprecated_id warn "secound argument is deprecated. use id: keyword argument" id = deprecated_id end send(node + "_clear") (node, content, id: id, title_type: title_type,identifier_type: identifier_type,display_seq: display_seq,file_as: file_as,group_position: group_position,role: role, lang: lang, alternates: alternates) end }) define_method(node+'=') { |content| send(node + "_clear") return if content.nil? if node == 'date' add_date(content) else (node, content) end } next if ["identifier", "date", "creator", "contributor"].include?(node) define_method('add_' + node) { |content, id| (node, content, id: id) } }
Constants included from XMLUtil
XMLUtil::DC_NS, XMLUtil::OPF_NS
Constants included from DSLUtil
Instance Attribute Summary collapse
-
#opf_version ⇒ Object
Returns the value of attribute opf_version.
Class Method Summary collapse
-
.parse(metadata_xml, opf_version = '3.0', id_pool = Package::IDPool.new) ⇒ Object
parse metadata element.
Instance Method Summary collapse
- #add_contributor(content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
- #add_creator(content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
- #add_date(date, deprecated_id = nil, id: nil) ⇒ Object
- #add_identifier(string, id = nil, type = nil) ⇒ Object
- #add_metadata(name, content, id: nil, itemclass: Meta, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
- #add_metadata_internal(name, content, id: nil, itemclass: Meta) ⇒ Object
- #add_oldstyle_meta(content, attributes = {}) ⇒ Object
- #add_person(name, content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
- #add_title(content, deprecated_id = nil, deprecated_title_type = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
- #get_first_node(node) ⇒ Object
- #ibooks_scroll_axis ⇒ Object
- #ibooks_scroll_axis=(val) ⇒ Object
- #ibooks_version ⇒ Object
- #ibooks_version=(val) ⇒ Object
- #ibooks_vocaburaly_specified? ⇒ Boolean
- #identifier_by_id(id) ⇒ Object
-
#initialize(opf_version = '3.0', id_pool = Package::IDPool.new) {|_self| ... } ⇒ Metadata
constructor
A new instance of Metadata.
- #lastmodified(date = UNASSIGNED) ⇒ Object
- #lastmodified=(date) ⇒ Object
-
#main_title ⇒ Object
should make it obsolete?.
- #meta_clear ⇒ Object
- #meta_list ⇒ Object
- #modified_now ⇒ Object
- #oldstyle_meta ⇒ Object
- #oldstyle_meta_clear ⇒ Object
- #register_meta(meta) ⇒ Object
- #rendition_layout ⇒ Object
- #rendition_layout=(val) ⇒ Object
- #rendition_orientation ⇒ Object
- #rendition_orientation=(val) ⇒ Object
- #rendition_specified? ⇒ Boolean
- #rendition_spread ⇒ Object
- #rendition_spread=(val) ⇒ Object
- #set_lastmodified(date = nil) ⇒ Object
- #title(content = UNASSIGNED, id: nil, title_type: nil) ⇒ Object
- #title=(content) ⇒ Object
- #to_xml(builder) ⇒ Object
- #unregister_meta(meta) ⇒ Object
Methods included from XMLUtil
#attr_to_hash, #ns_prefix, #raw_prefix
Constructor Details
#initialize(opf_version = '3.0', id_pool = Package::IDPool.new) {|_self| ... } ⇒ Metadata
Returns a new instance of Metadata.
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# File 'lib/gepub/metadata.rb', line 60 def initialize(opf_version = '3.0',id_pool = Package::IDPool.new) @id_pool = id_pool @metalist = {} @content_nodes = {} @oldstyle_meta = [] @opf_version = opf_version @namespaces = { 'xmlns:dc' => DC_NS } @namespaces['xmlns:opf'] = OPF_NS if @opf_version.to_f < 3.0 @default_layout = 'reflowable' @default_orientation = 'auto' @default_spread = 'auto' @layout = NilContent @orientation = NilContent @spread = NilContent @ibooks_version = NilContent @ibooks_scroll_axis = NilContent yield self if block_given? end |
Instance Attribute Details
#opf_version ⇒ Object
Returns the value of attribute opf_version.
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# File 'lib/gepub/metadata.rb', line 21 def opf_version @opf_version end |
Class Method Details
.parse(metadata_xml, opf_version = '3.0', id_pool = Package::IDPool.new) ⇒ Object
parse metadata element. metadata_xml should be Nokogiri::XML::Node object.
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# File 'lib/gepub/metadata.rb', line 23 def self.parse(, opf_version = '3.0', id_pool = Package::IDPool.new) Metadata.new(opf_version, id_pool) { || .instance_eval { @xml = @namespaces = @xml.namespaces CONTENT_NODE_LIST.each { |node| @content_nodes[node] = parse_node(DC_NS, node). } @xml.xpath("#{ns_prefix(OPF_NS)}:meta[not(@refines) and @property]", @namespaces).each { |node| (@content_nodes['meta'] ||= []) << (node) } @oldstyle_meta = .each { || case ['property'] when 'rendition:layout' @layout = when 'rendition:orientation' @orientation = when 'rendition:spread' @spread = when 'ibooks:version' @ibooks_version = when 'ibooks:scroll-axis' @ibooks_scroll_axis = end } } } end |
Instance Method Details
#add_contributor(content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
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# File 'lib/gepub/metadata_add.rb', line 104 def add_contributor(content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil,identifier_type: nil,display_seq: nil,file_as: nil,group_position: nil,role: nil, lang: nil, alternates: {}) if deprecated_id warn 'second argument for add_contributor is deprecated. use id: instead' id = deprecated_id end if deprecated_role warn 'third argument for add_contributor is deprecated. use role: instead' role = deprecated_role end = add_person('contributor', content, id: id, title_type: title_type,identifier_type: identifier_type,display_seq: display_seq,file_as: file_as,group_position: group_position,role: role, lang: lang, alternates: alternates) yield if block_given? end |
#add_creator(content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
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# File 'lib/gepub/metadata_add.rb', line 85 def add_creator(content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil,identifier_type: nil,display_seq: nil,file_as: nil,group_position: nil,role: nil, lang: nil, alternates: {}) if deprecated_id warn 'second argument for add_creator is deprecated. use id: instead' id = deprecated_id end if deprecated_role warn 'third argument for add_creator is deprecated. use role: instead' role = deprecated_role end role = 'aut' if role.nil? = add_person('creator', content, id: id, title_type: title_type,identifier_type: identifier_type,display_seq: display_seq,file_as: file_as,group_position: group_position,role: role, lang: lang, alternates: alternates) yield if block_given? end |
#add_date(date, deprecated_id = nil, id: nil) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 159 def add_date(date, deprecated_id = nil, id: nil) if deprecated_id warn "secound argument is deprecated. use id: keyword argument" id = deprecated_id end ('date', date, id: id, itemclass: DateMeta) end |
#add_identifier(string, id = nil, type = nil) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 151 def add_identifier(string, id=nil, type=nil) id = @id_pool.generate_key(:prefix => 'BookId') if id.nil? raise "id #{id} is already in use" if @id_pool[id] identifier = ('identifier', string, id: id) identifier.refine('identifier-type', type) unless type.nil? identifier end |
#add_metadata(name, content, id: nil, itemclass: Meta, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
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# File 'lib/gepub/metadata_add.rb', line 122 def (name, content, id: nil, itemclass: Meta, title_type: nil,identifier_type: nil,display_seq: nil,file_as: nil,group_position: nil,role: nil, lang: nil, alternates: {} ) = (name, content, id: id, itemclass: itemclass) [{ value: title_type, name: 'title-type'},{ value: identifier_type, name: 'identifier-type'},{ value: display_seq, name: 'display-seq'},{ value: file_as, name: 'file-as'},{ value: group_position, name: 'group-position'},{ value: role, name: 'role'}].each do |refiner| if refiner[:value] .refine(refiner[:name], refiner[:value]) end end if lang .lang = lang end if alternates .add_alternates alternates end yield if block_given? end |
#add_metadata_internal(name, content, id: nil, itemclass: Meta) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 175 def (name, content, id: nil, itemclass: Meta) = itemclass.new(name, content, self, { 'id' => id }) (@content_nodes[name] ||= []) << end |
#add_oldstyle_meta(content, attributes = {}) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 220 def (content, attributes = {}) = Meta.new('meta', content, self, attributes) (@oldstyle_meta ||= []) << end |
#add_person(name, content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
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# File 'lib/gepub/metadata_add.rb', line 67 def add_person(name, content, deprecated_id = nil, deprecated_role = nil, id: nil, title_type: nil,identifier_type: nil,display_seq: nil,file_as: nil,group_position: nil,role: nil, lang: nil, alternates: {}) if deprecated_id warn 'second argument for add_person is deprecated. use id: instead' id = deprecated_id end if deprecated_role warn 'third argument for add_person is deprecated. use role: instead' role = deprecated_role end = (name, content, id: id, title_type: title_type,identifier_type: identifier_type,display_seq: display_seq,file_as: file_as,group_position: group_position,role: role, lang: lang, alternates: alternates) yield if block_given? end |
#add_title(content, deprecated_id = nil, deprecated_title_type = nil, id: nil, title_type: nil, identifier_type: nil, display_seq: nil, file_as: nil, group_position: nil, role: nil, lang: nil, alternates: {}) {|meta| ... } ⇒ Object
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# File 'lib/gepub/metadata_add.rb', line 49 def add_title(content, deprecated_id = nil, deprecated_title_type = nil, id: nil, title_type: nil,identifier_type: nil,display_seq: nil,file_as: nil,group_position: nil,role: nil, lang: nil, alternates: {}) if deprecated_id warn 'second argument for add_title is deprecated. use id: instead' id = deprecated_id end if deprecated_title_type warn 'third argument for add_title is deprecated. use title_type: instead' title_type = deprecated_title_type end = ('title', content, id: id, title_type: title_type,identifier_type: identifier_type,display_seq: display_seq,file_as: file_as,group_position: group_position,role: role, lang: lang, alternates: alternates) yield if block_given? end |
#get_first_node(node) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 145 def get_first_node(node) if !@content_nodes[node].nil? && @content_nodes[node].size > 0 @content_nodes[node].[0] end end |
#ibooks_scroll_axis ⇒ Object
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# File 'lib/gepub/metadata.rb', line 278 def ibooks_scroll_axis @ibooks_scroll_axis.content || '' end |
#ibooks_scroll_axis=(val) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 282 def ibooks_scroll_axis=(val) if ![:vertical, :horizontal, :default].member? val.to_sym raise 'ibooks_scroll_axis should be one of vertical, horizontal or default' end @ibooks_scroll_axis = Meta.new('meta', val, self, { 'property' => 'ibooks:scroll-axis' }) (@content_nodes['meta'] ||= []) << @ibooks_scroll_axis end |
#ibooks_version ⇒ Object
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# File 'lib/gepub/metadata.rb', line 269 def ibooks_version @ibooks_version.content || '' end |
#ibooks_version=(val) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 273 def ibooks_version=(val) @ibooks_version = Meta.new('meta', val, self, { 'property' => 'ibooks:version' }) (@content_nodes['meta'] ||= []) << @ibooks_version end |
#ibooks_vocaburaly_specified? ⇒ Boolean
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# File 'lib/gepub/metadata.rb', line 294 def ibooks_vocaburaly_specified? @ibooks_version.content || @ibooks_scroll_axis.content end |
#identifier_by_id(id) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 167 def identifier_by_id(id) @content_nodes['identifier'].each { |x| return x.content if x['id'] == id } return nil end |
#lastmodified(date = UNASSIGNED) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 181 def lastmodified(date=UNASSIGNED) if unassigned?(date) ret = (@content_nodes['meta'] ||=[]).select { || ['property'] == 'dcterms:modified' } ret.size == 0 ? nil : ret[0] else date ||= Time.now (@content_nodes['meta'] ||= []).each { || if (['property'] == 'dcterms:modified') @content_nodes['meta'].delete end } ('meta', date.utc.strftime('%Y-%m-%dT%H:%M:%SZ'), itemclass: DateMeta)['property'] = 'dcterms:modified' end end |
#lastmodified=(date) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 204 def lastmodified=(date) lastmodified(date) end |
#main_title ⇒ Object
should make it obsolete?
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# File 'lib/gepub/metadata.rb', line 96 def main_title # should make it obsolete? title.to_s end |
#meta_clear ⇒ Object
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# File 'lib/gepub/metadata.rb', line 116 def if !@content_nodes['meta'].nil? @content_nodes['meta'].each { |x| (x) }; @content_nodes['meta'] = [] end end |
#meta_list ⇒ Object
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# File 'lib/gepub/metadata.rb', line 112 def (@content_nodes['meta'] || [])..dup end |
#modified_now ⇒ Object
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# File 'lib/gepub/metadata.rb', line 200 def modified_now lastmodified Time.now end |
#oldstyle_meta ⇒ Object
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# File 'lib/gepub/metadata.rb', line 100 def @oldstyle_meta.dup end |
#oldstyle_meta_clear ⇒ Object
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# File 'lib/gepub/metadata.rb', line 104 def @oldstyle_meta.each { || () } @oldstyle_meta = [] end |
#register_meta(meta) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 227 def () if !['id'].nil? raise "id '#{['id']}' is already in use." if @id_pool[['id']] @metalist[['id']] = @id_pool[['id']] = true end end |
#rendition_layout ⇒ Object
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# File 'lib/gepub/metadata.rb', line 242 def rendition_layout @layout.content || @default_layout end |
#rendition_layout=(val) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 246 def rendition_layout=(val) @layout = Meta.new('meta', val, self, { 'property' => 'rendition:layout' }) (@content_nodes['meta'] ||= []) << @layout end |
#rendition_orientation ⇒ Object
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# File 'lib/gepub/metadata.rb', line 251 def rendition_orientation @orientation.content || @default_orientation end |
#rendition_orientation=(val) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 255 def rendition_orientation=(val) @orientation = Meta.new('meta', val, self, { 'property' => 'rendition:orientation' }) (@content_nodes['meta'] ||= []) << @orientation end |
#rendition_specified? ⇒ Boolean
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# File 'lib/gepub/metadata.rb', line 290 def rendition_specified? @layout.content || @orientation.content || @spread.content end |
#rendition_spread ⇒ Object
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# File 'lib/gepub/metadata.rb', line 260 def rendition_spread @spread.content || @default_spread end |
#rendition_spread=(val) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 264 def rendition_spread=(val) @spread = Meta.new('meta', val, self, { 'property' => 'rendition:spread' }) (@content_nodes['meta'] ||= []) << @spread end |
#set_lastmodified(date = nil) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 208 def set_lastmodified(date=nil) warn "obsolete : set_lastmodified. use lastmodified instead." date ||= Time.now (@content_nodes['meta'] ||= []).each { || if (['property'] == 'dcterms:modified') @content_nodes['meta'].delete end } ('meta', date.utc.strftime('%Y-%m-%dT%H:%M:%SZ'), itemclass: DateMeta)['property'] = 'dcterms:modified' end |
#title(content = UNASSIGNED, id: nil, title_type: nil) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 127 def title(content=UNASSIGNED, id: nil, title_type: nil) if unassigned?(content) if !@content_nodes['title'].nil? @content_nodes['title'].each do |titlenode| return titlenode if titlenode.title_type.to_s == TITLE_TYPE::MAIN end end get_first_node('title') else title_clear = add_title(content, id: id, title_type: title_type) yield if block_given? end end |
#title=(content) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 123 def title=(content) title(content) end |
#to_xml(builder) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 79 def to_xml(builder) builder.(@namespaces) { @content_nodes.each { |_name, list| list.each { || .to_xml(builder, @id_pool, ns_prefix(DC_NS), nil, @opf_version) } } @oldstyle_meta.each { |node| node.to_xml(builder, @id_pool, nil) } } @xml end |
#unregister_meta(meta) ⇒ Object
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# File 'lib/gepub/metadata.rb', line 235 def () if ['id'].nil? @metalist[['id']] = nil @id_pool[['id']] = nil end end |