diff options
author | kou <kou@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-04-05 06:42:03 +0000 |
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committer | kou <kou@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2005-04-05 06:42:03 +0000 |
commit | d12dff187a86d0f21ad1628472cd797505ddeabe (patch) | |
tree | 006f7ea1d0995dfc481a63601cc5e19a58d5baba /lib/rss | |
parent | 5ddcd35cf12613969b27c06cf3ca1b57ce68a3f0 (diff) | |
download | ruby-d12dff187a86d0f21ad1628472cd797505ddeabe.tar.gz |
* lib/rss/dublincore.rb: supported multiple DublinCore items.
* lib/rss/parser.rb: added class name registry for complex model
elements. (ex. have childlen elements, have some attributes and
a child element and so on.)
* lib/rss/maker/base.rb: added default current_element implementation.
* lib/rss/maker/dublincore.rb: supported multiple DublinCore items.
* lib/rss/maker/image.rb: supproted new DublinCore API.
* lib/rss/trackback.rb (RSS::TrackBackUtils.new_with_value_if_need):
moved to RSS::Utils.
* lib/rss/utils.rb (RSS::Utils.new_with_value_if_need):
moved from RSS::TrackBackUtils.
* lib/rss/maker/image.rb: fixed invalid argument of
add_need_initialize_variable bug.
* lib/rss/maker/trackback.rb: ditto.
* lib/rss/rss.rb (Hash#merge): added for ruby 1.6.
* lib/rss/rss.rb (RSS::BaseModel.date_writer): changed to accept nil
for date value.
* test/test_dublincore.rb: added tests for plural accessor and
multiple DublinCore items.
* test/test_setup_maker_1.0.rb: fixed swapped actual and expected
values.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@8252 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'lib/rss')
-rw-r--r-- | lib/rss/dublincore.rb | 141 | ||||
-rw-r--r-- | lib/rss/maker/base.rb | 4 | ||||
-rw-r--r-- | lib/rss/maker/dublincore.rb | 132 | ||||
-rw-r--r-- | lib/rss/maker/image.rb | 15 | ||||
-rw-r--r-- | lib/rss/maker/trackback.rb | 2 | ||||
-rw-r--r-- | lib/rss/parser.rb | 22 | ||||
-rw-r--r-- | lib/rss/rss.rb | 81 | ||||
-rw-r--r-- | lib/rss/trackback.rb | 16 | ||||
-rw-r--r-- | lib/rss/utils.rb | 7 |
9 files changed, 334 insertions, 86 deletions
diff --git a/lib/rss/dublincore.rb b/lib/rss/dublincore.rb index d460828da7..1a1e1776c7 100644 --- a/lib/rss/dublincore.rb +++ b/lib/rss/dublincore.rb @@ -7,41 +7,135 @@ module RSS RDF.install_ns(DC_PREFIX, DC_URI) + module BaseDublinCoreModel + def append_features(klass) + super + + return if klass.instance_of?(Module) + DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name| + plural = plural_name || "#{name}s" + full_name = "#{DC_PREFIX}_#{name}" + full_plural_name = "#{DC_PREFIX}_#{plural}" + klass_name = "DublinCore#{Utils.to_class_name(name)}" + klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0)) + install_have_children_element(#{full_name.dump}, + #{full_plural_name.dump}) + + remove_method :#{full_name} + remove_method :#{full_name}= + remove_method :set_#{full_name} + + def #{full_name} + @#{full_name}.first and @#{full_name}.first.value + end + + def #{full_name}=(new_value) + @#{full_name}[0] = Utils.new_with_value_if_need(#{klass_name}, new_value) + end + alias set_#{full_name} #{full_name}= + EOC + end + klass.module_eval(<<-EOC, *get_file_and_line_from_caller(0)) + alias date #{DC_PREFIX}_date + alias date= #{DC_PREFIX}_date= + EOC + end + end + module DublinCoreModel extend BaseModel + extend BaseDublinCoreModel - ELEMENTS = [] + TEXT_ELEMENTS = { + "title" => nil, + "description" => nil, + "creator" => nil, + "subject" => nil, + "publisher" => nil, + "contributor" => nil, + "type" => nil, + "format" => nil, + "identifier" => nil, + "source" => nil, + "language" => nil, + "relation" => nil, + "coverage" => nil, + "rights" => "rightses" # FIXME + } - def self.append_features(klass) - super + DATE_ELEMENTS = { + "date" => "w3cdtf", + } + + ELEMENT_NAME_INFOS = DublinCoreModel::TEXT_ELEMENTS.to_a + DublinCoreModel::DATE_ELEMENTS.each do |name, | + ELEMENT_NAME_INFOS << [name, nil] + end + + ELEMENTS = TEXT_ELEMENTS.keys + DATE_ELEMENTS.keys + + ELEMENTS.each do |x, plural_name| + module_eval(<<-EOC, *get_file_and_line_from_caller(0)) + class DublinCore#{Utils.to_class_name(x)} < Element + include RSS10 + + content_setup + + class << self + def required_prefix + DC_PREFIX + end + + def required_uri + DC_URI + end + end + + @tag_name = #{x.dump} + + alias_method(:value, :content) + alias_method(:value=, :content=) + + def initialize(content=nil) + super() + self.content = content + end - klass.module_eval(<<-EOC, *get_file_and_line_from_caller(1)) - %w(title description creator subject publisher - contributor type format identifier source - language relation coverage rights).each do |x| - install_text_element("\#{DC_PREFIX}_\#{x}") - end + def full_name + tag_name_with_prefix(DC_PREFIX) + end + + def maker_target(target) + target.new_#{x} + end - %w(date).each do |x| - install_date_element("\#{DC_PREFIX}_\#{x}", 'w3cdtf', x) + def setup_maker_attributes(#{x}) + #{x}.content = content + end end - alias date #{DC_PREFIX}_date - alias date= #{DC_PREFIX}_date= EOC end - def dc_validate(tags) - counter = {} - ELEMENTS.each do |x| - counter[x] = 0 - end + DATE_ELEMENTS.each do |name, type| + module_eval(<<-EOC, *get_file_and_line_from_caller(0)) + class DublinCore#{Utils.to_class_name(name)} < Element + undef_method(:content=) + undef_method(:value=) + date_writer("content", #{type.dump}, #{name.dump}) + + alias_method(:value=, :content=) + end + EOC + end + + def dc_validate(tags) tags.each do |tag| key = "#{DC_PREFIX}_#{tag}" - raise UnknownTagError.new(tag, DC_URI) unless counter.has_key?(key) - counter[key] += 1 - raise TooMuchTagError.new(tag, tag_name) if counter[key] > 1 + unless DublinCoreModel::ELEMENTS.include?(key) + raise UnknownTagError.new(tag, DC_URI) + end end end @@ -57,9 +151,10 @@ module RSS class Textinput; include DublinCoreModel; end end - prefix_size = DC_PREFIX.size + 1 DublinCoreModel::ELEMENTS.each do |x| - BaseListener.install_get_text_element(DC_URI, x[prefix_size..-1], "#{x}=") + class_name = Utils.to_class_name(x) + BaseListener.install_class_name(DC_URI, x, "DublinCore#{class_name}") end + DublinCoreModel::ELEMENTS.collect! {|x| "#{DC_PREFIX}_#{x}"} end diff --git a/lib/rss/maker/base.rb b/lib/rss/maker/base.rb index 0b157b1ee2..4f5e31f542 100644 --- a/lib/rss/maker/base.rb +++ b/lib/rss/maker/base.rb @@ -81,6 +81,10 @@ module RSS end end + def current_element(rss) + rss + end + def setup_values(target) set = false if have_required_values? diff --git a/lib/rss/maker/dublincore.rb b/lib/rss/maker/dublincore.rb index 3eeb269df1..4e4378436d 100644 --- a/lib/rss/maker/dublincore.rb +++ b/lib/rss/maker/dublincore.rb @@ -7,16 +7,92 @@ module RSS def self.append_features(klass) super - ::RSS::DublinCoreModel::ELEMENTS.uniq.each do |element| - klass.add_need_initialize_variable(element) - klass.add_other_element(element) - klass.__send__(:attr_accessor, element) + ::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name| + plural_name ||= "#{name}s" + full_name = "#{RSS::DC_PREFIX}_#{name}" + full_plural_name = "#{RSS::DC_PREFIX}_#{plural_name}" + klass_name = Utils.to_class_name(name) + plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}" + full_plural_klass_name = "self.class::#{plural_klass_name}" + full_klass_name = "#{full_plural_klass_name}::#{klass_name}" + klass.add_need_initialize_variable(full_plural_name, + "make_#{full_plural_name}") + klass.add_other_element(full_plural_name) + klass.__send__(:attr_accessor, full_plural_name) klass.module_eval(<<-EOC, __FILE__, __LINE__) - def setup_#{element}(rss, current) - if #{element} and current.respond_to?(:#{element}=) - current.#{element} = #{element} + def make_#{full_plural_name} + #{full_plural_klass_name}.new(@maker) + end + + def setup_#{full_plural_name}(rss, current) + @#{full_plural_name}.to_rss(rss, current) + end + + def #{full_name} + @#{full_plural_name}[0] and @#{full_plural_name}[0].value + end + + def #{full_name}=(new_value) + @#{full_plural_name}[0] = #{full_klass_name}.new(self) + @#{full_plural_name}[0].value = new_value + end +EOC + end + end + + ::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name| + plural_name ||= "#{name}s" + klass_name = Utils.to_class_name(name) + plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}" + module_eval(<<-EOC, __FILE__, __LINE__) + class #{plural_klass_name}Base + include Base + + def_array_element(#{plural_name.dump}) + + def new_#{name} + #{name} = self.class::#{klass_name}.new(self) + @#{plural_name} << #{name} + #{name} + end + + def to_rss(rss, current) + @#{plural_name}.each do |#{name}| + #{name}.to_rss(rss, current) + end + end + + class #{klass_name}Base + include Base + + attr_accessor :value + add_need_initialize_variable("value") + alias_method(:content, :value) + alias_method(:content=, :value=) + + def have_required_values? + @value + end + end + end + EOC + end + + def self.install_dublin_core(klass) + ::RSS::DublinCoreModel::ELEMENT_NAME_INFOS.each do |name, plural_name| + plural_name ||= "#{name}s" + klass_name = Utils.to_class_name(name) + plural_klass_name = "DublinCore#{Utils.to_class_name(plural_name)}" + klass.module_eval(<<-EOC, *Utils.get_file_and_line_from_caller(1)) + class #{plural_klass_name} < #{plural_klass_name}Base + class #{klass_name} < #{klass_name}Base + def to_rss(rss, current) + if value and current.respond_to?(:dc_#{name}) + current.dc_#{name} = value + end end end + end EOC end end @@ -24,7 +100,7 @@ EOC class ChannelBase include DublinCoreModel - + undef_method(:dc_date) undef_method(:dc_date=) alias_method(:dc_date, :date) @@ -43,5 +119,45 @@ EOC end end class TextinputBase; include DublinCoreModel; end + + class RSS10 + class Channel + DublinCoreModel.install_dublin_core(self) + end + + class Image + DublinCoreModel.install_dublin_core(self) + end + + class Items + class Item + DublinCoreModel.install_dublin_core(self) + end + end + + class Textinput + DublinCoreModel.install_dublin_core(self) + end + end + + class RSS09 + class Channel + DublinCoreModel.install_dublin_core(self) + end + + class Image + DublinCoreModel.install_dublin_core(self) + end + + class Items + class Item + DublinCoreModel.install_dublin_core(self) + end + end + + class Textinput + DublinCoreModel.install_dublin_core(self) + end + end end end diff --git a/lib/rss/maker/image.rb b/lib/rss/maker/image.rb index 98d59f733c..9e3772f09c 100644 --- a/lib/rss/maker/image.rb +++ b/lib/rss/maker/image.rb @@ -30,8 +30,10 @@ EOC include Maker::DublinCoreModel attr_accessor :about, :resource, :image_width, :image_height - add_need_initialize_variable(:about, :resource) - add_need_initialize_variable(:image_width, :image_height) + add_need_initialize_variable("about") + add_need_initialize_variable("resource") + add_need_initialize_variable("image_width") + add_need_initialize_variable("image_height") alias width= image_width= alias width image_width alias height= image_height= @@ -69,7 +71,8 @@ EOC include Maker::DublinCoreModel attr_accessor :about, :image_size - add_need_initialize_variable(:about, :image_size) + add_need_initialize_variable("about") + add_need_initialize_variable("image_size") alias size image_size alias size= image_size= @@ -89,10 +92,12 @@ EOC class Items class Item class ImageItem < ImageItemBase + DublinCoreModel.install_dublin_core(self) def to_rss(rss, current) if @about item = ::RSS::ImageItemModel::Item.new(@about, @resource) setup_values(item) + setup_other_elements(item) current.image_item = item end end @@ -102,11 +107,13 @@ EOC class Channel class ImageFavicon < ImageFaviconBase + DublinCoreModel.install_dublin_core(self) def to_rss(rss, current) if @about and @image_size args = [@about, @image_size] favicon = ::RSS::ImageFaviconModel::Favicon.new(*args) setup_values(favicon) + setup_other_elements(favicon) current.image_favicon = favicon end end @@ -118,6 +125,7 @@ EOC class Items class Item class ImageItem < ImageItemBase + DublinCoreModel.install_dublin_core(self) def to_rss(*args) end end @@ -126,6 +134,7 @@ EOC class Channel class ImageFavicon < ImageFaviconBase + DublinCoreModel.install_dublin_core(self) def to_rss(*args) end end diff --git a/lib/rss/maker/trackback.rb b/lib/rss/maker/trackback.rb index ef78bf2f20..3df21924dd 100644 --- a/lib/rss/maker/trackback.rb +++ b/lib/rss/maker/trackback.rb @@ -56,7 +56,7 @@ module RSS include Base attr_accessor :value - add_need_initialize_variable(:value) + add_need_initialize_variable("value") alias_method(:resource, :value) alias_method(:resource=, :value=) diff --git a/lib/rss/parser.rb b/lib/rss/parser.rb index 05af111ad4..7e93c62f61 100644 --- a/lib/rss/parser.rb +++ b/lib/rss/parser.rb @@ -125,6 +125,7 @@ module RSS @@setters = {} @@registered_uris = {} + @@class_names = {} def install_setter(uri, tag_name, setter) @@setters[uri] ||= {} @@ -146,16 +147,29 @@ module RSS [] end end - + def register_uri(uri, name) @@registered_uris[name] ||= {} @@registered_uris[name][uri] = nil end - + def uri_registered?(uri, name) @@registered_uris[name].has_key?(uri) end + def install_class_name(uri, tag_name, class_name) + @@class_names[uri] ||= {} + @@class_names[uri][tag_name] = class_name + end + + def class_name(uri, tag_name) + begin + @@class_names[uri][tag_name] + rescue NameError + tag_name[0,1].upcase + tag_name[1..-1] + end + end + def install_get_text_element(uri, name, setter) install_setter(uri, name, setter) def_get_text_element(uri, name, *get_file_and_line_from_caller(1)) @@ -275,13 +289,11 @@ module RSS end def start_else_element(local, prefix, attrs, ns) - class_name = local[0,1].upcase << local[1..-1] + class_name = self.class.class_name(ns[prefix], local) current_class = @last_element.class -# begin if current_class.constants.include?(class_name) next_class = current_class.const_get(class_name) start_have_something_element(local, prefix, attrs, ns, next_class) -# rescue NameError else if @ignore_unknown_element @proc_stack.push(nil) diff --git a/lib/rss/rss.rb b/lib/rss/rss.rb index 848fbd7b79..f9740a1c33 100644 --- a/lib/rss/rss.rb +++ b/lib/rss/rss.rb @@ -51,6 +51,14 @@ module Enumerable end end +class Hash + unless instance_methods.include?("merge") + def merge(other) + dup.update(other) + end + end +end + require "English" require "rss/utils" require "rss/converter" @@ -222,38 +230,7 @@ EOC # accessor convert_attr_reader name - module_eval(<<-EOC, *get_file_and_line_from_caller(2)) - def #{name}=(new_value) - if new_value.kind_of?(Time) - @#{name} = new_value - else - if @do_validate - begin - @#{name} = Time.send('#{type}', new_value) - rescue ArgumentError - raise NotAvailableValueError.new('#{disp_name}', new_value) - end - else - @#{name} = nil - if /\\A\\s*\\z/ !~ new_value.to_s - begin - @#{name} = Time.parse(new_value) - rescue ArgumentError - end - end - end - end - - # Is it need? - if @#{name} - class << @#{name} - undef_method(:to_s) - alias_method(:to_s, :#{type}) - end - end - - end -EOC + date_writer(name, type, disp_name) install_element(name) do |n, elem_name| <<-EOC @@ -301,6 +278,41 @@ EOC end end + def date_writer(name, type, disp_name=name) + module_eval(<<-EOC, *get_file_and_line_from_caller(2)) + def #{name}=(new_value) + if new_value.nil? or new_value.kind_of?(Time) + @#{name} = new_value + else + if @do_validate + begin + @#{name} = Time.send('#{type}', new_value) + rescue ArgumentError + raise NotAvailableValueError.new('#{disp_name}', new_value) + end + else + @#{name} = nil + if /\\A\\s*\\z/ !~ new_value.to_s + begin + @#{name} = Time.parse(new_value) + rescue ArgumentError + end + end + end + end + + # Is it need? + if @#{name} + class << @#{name} + undef_method(:to_s) + alias_method(:to_s, :#{type}) + end + end + + end +EOC + end + def def_children_accessor(accessor_name, plural_name) module_eval(<<-EOC, *get_file_and_line_from_caller(2)) def #{plural_name} @@ -660,8 +672,9 @@ EOC klass = next_element.class prefix = "" prefix << "#{klass.required_prefix}_" if klass.required_prefix - if self.class.plural_forms.has_key?(tag_name) - ary = __send__("#{prefix}#{self.class.plural_forms[tag_name]}") + key = "#{prefix}#{tag_name}" + if self.class.plural_forms.has_key?(key) + ary = __send__("#{self.class.plural_forms[key]}") ary << next_element else __send__("#{prefix}#{tag_name}=", next_element) diff --git a/lib/rss/trackback.rb b/lib/rss/trackback.rb index 439bdf3843..c8228059de 100644 --- a/lib/rss/trackback.rb +++ b/lib/rss/trackback.rb @@ -11,14 +11,6 @@ module RSS module TrackBackUtils private - def new_with_value_if_need(klass, value) - if value.is_a?(klass) - value - else - klass.new(value) - end - end - def trackback_validate(tags) counter = {} %w(ping about).each do |x| @@ -60,7 +52,7 @@ module RSS remove_method :#{var_name}= def #{var_name}=(value) - @#{var_name} = new_with_value_if_need(#{klass_name}, value) + @#{var_name} = Utils.new_with_value_if_need(#{klass_name}, value) end EOC end @@ -88,16 +80,16 @@ module RSS remove_method :set_#{var_name} def #{var_name}=(*args) if args.size == 1 - item = new_with_value_if_need(#{klass_name}, args[0]) + item = Utils.new_with_value_if_need(#{klass_name}, args[0]) @#{var_name}.push(item) else new_val = args.last if new_val.is_a?(Array) new_val = new_value.collect do |val| - new_with_value_if_need(#{klass_name}, val) + Utils.new_with_value_if_need(#{klass_name}, val) end else - new_val = new_with_value_if_need(#{klass_name}, new_val) + new_val = Utils.new_with_value_if_need(#{klass_name}, new_val) end @#{var_name}.send("[]=", *(args[0..-2] + [new_val])) end diff --git a/lib/rss/utils.rb b/lib/rss/utils.rb index 19f27183eb..0286becf00 100644 --- a/lib/rss/utils.rb +++ b/lib/rss/utils.rb @@ -19,6 +19,13 @@ module RSS end alias h html_escape + def new_with_value_if_need(klass, value) + if value.is_a?(klass) + value + else + klass.new(value) + end + end end end |