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* lib/rss/: untabified.
* test/rss/: untabified. * lib/rss/0.9.rb (RSS::Rss#to_s): inent -> indent. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@7048 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
kou
parent
6b988d9fab
commit
b4634f935a
27 changed files with 3937 additions and 3931 deletions
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@ -4,393 +4,393 @@ require "rss/rss"
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module RSS
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class NotWellFormedError < Error
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attr_reader :line, :element
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def initialize(line=nil, element=nil)
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message = "This is not well formed XML"
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if element or line
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message << "\nerror occurred"
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message << " in #{element}" if element
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message << " at about #{line} line" if line
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end
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message << "\n#{yield}" if block_given?
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super(message)
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end
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end
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class NotWellFormedError < Error
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attr_reader :line, :element
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def initialize(line=nil, element=nil)
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message = "This is not well formed XML"
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if element or line
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message << "\nerror occurred"
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message << " in #{element}" if element
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message << " at about #{line} line" if line
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end
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message << "\n#{yield}" if block_given?
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super(message)
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end
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end
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class XMLParserNotFound < Error
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def initialize
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super("available XML parser does not found in " <<
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"#{AVAILABLE_PARSER_LIBRARIES.inspect}.")
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end
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end
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class XMLParserNotFound < Error
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def initialize
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super("available XML parser does not found in " <<
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"#{AVAILABLE_PARSER_LIBRARIES.inspect}.")
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end
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end
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class NotValidXMLParser < Error
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def initialize(parser)
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super("#{parser} is not available XML parser. " <<
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"available XML parser is " <<
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"#{AVAILABLE_PARSERS.inspect}.")
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end
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end
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class NotValidXMLParser < Error
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def initialize(parser)
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super("#{parser} is not available XML parser. " <<
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"available XML parser is " <<
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"#{AVAILABLE_PARSERS.inspect}.")
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end
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end
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class NSError < InvalidRSSError
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attr_reader :tag, :prefix, :uri
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def initialize(tag, prefix, require_uri)
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@tag, @prefix, @uri = tag, prefix, require_uri
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super("prefix <#{prefix}> doesn't associate uri " <<
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"<#{require_uri}> in tag <#{tag}>")
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end
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end
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class NSError < InvalidRSSError
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attr_reader :tag, :prefix, :uri
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def initialize(tag, prefix, require_uri)
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@tag, @prefix, @uri = tag, prefix, require_uri
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super("prefix <#{prefix}> doesn't associate uri " <<
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"<#{require_uri}> in tag <#{tag}>")
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end
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end
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class Parser
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class Parser
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extend Forwardable
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extend Forwardable
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class << self
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class << self
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@@default_parser = nil
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@@default_parser = nil
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def default_parser
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@@default_parser || AVAILABLE_PARSERS.first
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end
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def default_parser
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@@default_parser || AVAILABLE_PARSERS.first
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end
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def default_parser=(new_value)
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if AVAILABLE_PARSERS.include?(new_value)
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@@default_parser = new_value
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else
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raise NotValidXMLParser.new(new_value)
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end
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end
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def default_parser=(new_value)
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if AVAILABLE_PARSERS.include?(new_value)
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@@default_parser = new_value
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else
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raise NotValidXMLParser.new(new_value)
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end
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end
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def parse(rss, do_validate=true, ignore_unknown_element=true, parser_class=default_parser)
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parser = new(rss, parser_class)
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parser.do_validate = do_validate
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parser.ignore_unknown_element = ignore_unknown_element
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parser.parse
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end
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def parse(rss, do_validate=true, ignore_unknown_element=true, parser_class=default_parser)
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parser = new(rss, parser_class)
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parser.do_validate = do_validate
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parser.ignore_unknown_element = ignore_unknown_element
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parser.parse
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end
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end
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end
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def_delegators(:@parser, :parse, :rss,
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:ignore_unknown_element,
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:ignore_unknown_element=, :do_validate,
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:do_validate=)
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def_delegators(:@parser, :parse, :rss,
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:ignore_unknown_element,
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:ignore_unknown_element=, :do_validate,
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:do_validate=)
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def initialize(rss, parser_class=self.class.default_parser)
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@parser = parser_class.new(rss)
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end
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end
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def initialize(rss, parser_class=self.class.default_parser)
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@parser = parser_class.new(rss)
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end
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end
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class BaseParser
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class BaseParser
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def initialize(rss)
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@listener = listener.new
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@rss = rss
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end
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def initialize(rss)
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@listener = listener.new
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@rss = rss
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end
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def rss
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@listener.rss
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end
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def rss
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@listener.rss
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end
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def ignore_unknown_element
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@listener.ignore_unknown_element
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end
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def ignore_unknown_element
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@listener.ignore_unknown_element
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end
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def ignore_unknown_element=(new_value)
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@listener.ignore_unknown_element = new_value
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end
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def ignore_unknown_element=(new_value)
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@listener.ignore_unknown_element = new_value
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end
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def do_validate
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@listener.do_validate
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end
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def do_validate
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@listener.do_validate
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end
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def do_validate=(new_value)
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@listener.do_validate = new_value
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end
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def do_validate=(new_value)
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@listener.do_validate = new_value
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end
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def parse
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if @listener.rss.nil?
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_parse
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end
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@listener.rss
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end
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def parse
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if @listener.rss.nil?
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_parse
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end
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@listener.rss
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end
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end
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end
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class BaseListener
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class BaseListener
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extend Utils
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extend Utils
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class << self
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class << self
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@@setter = {}
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@@registered_uris = {}
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@@setter = {}
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@@registered_uris = {}
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def install_setter(uri, tag_name, setter)
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@@setter[uri] = {} unless @@setter.has_key?(uri)
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@@setter[uri][tag_name] = setter
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end
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def install_setter(uri, tag_name, setter)
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@@setter[uri] = {} unless @@setter.has_key?(uri)
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@@setter[uri][tag_name] = setter
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end
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def register_uri(name, uri)
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@@registered_uris[name] = {} unless @@registered_uris.has_key?(name)
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@@registered_uris[name][uri] = nil
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end
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def register_uri(name, uri)
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@@registered_uris[name] = {} unless @@registered_uris.has_key?(name)
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@@registered_uris[name][uri] = nil
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end
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def uri_registered?(name, uri)
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@@registered_uris[name].has_key?(uri)
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end
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def uri_registered?(name, uri)
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@@registered_uris[name].has_key?(uri)
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end
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def setter(uri, tag_name)
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begin
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@@setter[uri][tag_name]
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rescue NameError
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nil
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end
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end
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def setter(uri, tag_name)
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begin
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@@setter[uri][tag_name]
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rescue NameError
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nil
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end
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end
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def available_tags(uri)
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begin
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@@setter[uri].keys
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rescue NameError
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[]
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end
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end
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def install_get_text_element(name, uri, setter)
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install_setter(uri, name, setter)
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def_get_text_element(uri, name, *get_file_and_line_from_caller(1))
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end
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private
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def available_tags(uri)
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begin
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@@setter[uri].keys
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rescue NameError
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[]
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end
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end
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def install_get_text_element(name, uri, setter)
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install_setter(uri, name, setter)
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def_get_text_element(uri, name, *get_file_and_line_from_caller(1))
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end
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private
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def def_get_text_element(uri, name, file, line)
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register_uri(name, uri)
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unless private_instance_methods(false).include?("start_#{name}")
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module_eval(<<-EOT, file, line)
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def start_#{name}(name, prefix, attrs, ns)
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uri = ns[prefix]
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if self.class.uri_registered?(#{name.inspect}, uri)
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if @do_validate
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tags = self.class.available_tags(uri)
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unless tags.include?(name)
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raise UnknownTagError.new(name, uri)
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end
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end
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start_get_text_element(name, prefix, ns, uri)
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else
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start_else_element(name, prefix, attrs, ns)
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end
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end
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EOT
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send("private", "start_#{name}")
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end
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end
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def def_get_text_element(uri, name, file, line)
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register_uri(name, uri)
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unless private_instance_methods(false).include?("start_#{name}")
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module_eval(<<-EOT, file, line)
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def start_#{name}(name, prefix, attrs, ns)
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uri = ns[prefix]
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if self.class.uri_registered?(#{name.inspect}, uri)
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if @do_validate
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tags = self.class.available_tags(uri)
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unless tags.include?(name)
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raise UnknownTagError.new(name, uri)
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end
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end
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start_get_text_element(name, prefix, ns, uri)
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else
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start_else_element(name, prefix, attrs, ns)
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end
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end
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EOT
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send("private", "start_#{name}")
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end
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end
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end
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end
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end
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end
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module ListenerMixin
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module ListenerMixin
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attr_reader :rss
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attr_reader :rss
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attr_accessor :ignore_unknown_element
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attr_accessor :do_validate
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attr_accessor :ignore_unknown_element
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attr_accessor :do_validate
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def initialize
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@rss = nil
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@ignore_unknown_element = true
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@do_validate = true
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@ns_stack = [{}]
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@tag_stack = [[]]
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@text_stack = ['']
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@proc_stack = []
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@last_element = nil
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@version = @encoding = @standalone = nil
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@xml_stylesheets = []
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end
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def xmldecl(version, encoding, standalone)
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@version, @encoding, @standalone = version, encoding, standalone
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end
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def initialize
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@rss = nil
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@ignore_unknown_element = true
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@do_validate = true
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@ns_stack = [{}]
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@tag_stack = [[]]
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@text_stack = ['']
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@proc_stack = []
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@last_element = nil
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@version = @encoding = @standalone = nil
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@xml_stylesheets = []
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end
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def xmldecl(version, encoding, standalone)
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@version, @encoding, @standalone = version, encoding, standalone
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end
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def instruction(name, content)
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if name == "xml-stylesheet"
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params = parse_pi_content(content)
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if params.has_key?("href")
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@xml_stylesheets << XMLStyleSheet.new(*params)
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end
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end
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end
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def instruction(name, content)
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if name == "xml-stylesheet"
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params = parse_pi_content(content)
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if params.has_key?("href")
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@xml_stylesheets << XMLStyleSheet.new(*params)
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end
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end
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end
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def tag_start(name, attributes)
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@text_stack.push('')
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def tag_start(name, attributes)
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@text_stack.push('')
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ns = @ns_stack.last.dup
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attrs = {}
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attributes.each do |n, v|
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if n =~ /\Axmlns:?/
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ns[$POSTMATCH] = v
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else
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attrs[n] = v
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end
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end
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@ns_stack.push(ns)
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ns = @ns_stack.last.dup
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attrs = {}
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attributes.each do |n, v|
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if n =~ /\Axmlns:?/
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ns[$POSTMATCH] = v
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else
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attrs[n] = v
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end
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end
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@ns_stack.push(ns)
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prefix, local = split_name(name)
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@tag_stack.last.push([ns[prefix], local])
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@tag_stack.push([])
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if respond_to?("start_#{local}", true)
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send("start_#{local}", local, prefix, attrs, ns.dup)
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else
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start_else_element(local, prefix, attrs, ns.dup)
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end
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end
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prefix, local = split_name(name)
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@tag_stack.last.push([ns[prefix], local])
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@tag_stack.push([])
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if respond_to?("start_#{local}", true)
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send("start_#{local}", local, prefix, attrs, ns.dup)
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else
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start_else_element(local, prefix, attrs, ns.dup)
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end
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end
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def tag_end(name)
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if DEBUG
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p "end tag #{name}"
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p @tag_stack
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end
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text = @text_stack.pop
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tags = @tag_stack.pop
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pr = @proc_stack.pop
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pr.call(text, tags) unless pr.nil?
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end
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def tag_end(name)
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if DEBUG
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p "end tag #{name}"
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p @tag_stack
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end
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text = @text_stack.pop
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tags = @tag_stack.pop
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pr = @proc_stack.pop
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pr.call(text, tags) unless pr.nil?
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end
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def text(data)
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@text_stack.last << data
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end
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def text(data)
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@text_stack.last << data
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end
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private
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private
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CONTENT_PATTERN = /\s*([^=]+)=(["'])([^\2]+?)\2/
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def parse_pi_content(content)
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params = {}
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content.scan(CONTENT_PATTERN) do |name, quote, value|
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params[name] = value
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end
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params
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end
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CONTENT_PATTERN = /\s*([^=]+)=(["'])([^\2]+?)\2/
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def parse_pi_content(content)
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params = {}
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content.scan(CONTENT_PATTERN) do |name, quote, value|
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params[name] = value
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end
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params
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end
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|
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def start_else_element(local, prefix, attrs, ns)
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class_name = local[0,1].upcase << local[1..-1]
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current_class = @last_element.class
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def start_else_element(local, prefix, attrs, ns)
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class_name = local[0,1].upcase << local[1..-1]
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current_class = @last_element.class
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# begin
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if current_class.constants.include?(class_name)
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next_class = current_class.const_get(class_name)
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start_have_something_element(local, prefix, attrs, ns, next_class)
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if current_class.constants.include?(class_name)
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next_class = current_class.const_get(class_name)
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start_have_something_element(local, prefix, attrs, ns, next_class)
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# rescue NameError
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else
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if @ignore_unknown_element
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@proc_stack.push(nil)
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else
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parent = "ROOT ELEMENT???"
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if current_class.tag_name
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parent = current_class.tag_name
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end
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raise NotExceptedTagError.new(local, parent)
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end
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end
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end
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else
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if @ignore_unknown_element
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@proc_stack.push(nil)
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else
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parent = "ROOT ELEMENT???"
|
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if current_class.tag_name
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parent = current_class.tag_name
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||||
end
|
||||
raise NotExceptedTagError.new(local, parent)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
NAMESPLIT = /^(?:([\w:][-\w\d.]*):)?([\w:][-\w\d.]*)/
|
||||
def split_name(name)
|
||||
name =~ NAMESPLIT
|
||||
[$1 || '', $2]
|
||||
end
|
||||
NAMESPLIT = /^(?:([\w:][-\w\d.]*):)?([\w:][-\w\d.]*)/
|
||||
def split_name(name)
|
||||
name =~ NAMESPLIT
|
||||
[$1 || '', $2]
|
||||
end
|
||||
|
||||
def check_ns(tag_name, prefix, ns, require_uri)
|
||||
if @do_validate
|
||||
if ns[prefix] == require_uri
|
||||
#ns.delete(prefix)
|
||||
else
|
||||
raise NSError.new(tag_name, prefix, require_uri)
|
||||
end
|
||||
end
|
||||
end
|
||||
def check_ns(tag_name, prefix, ns, require_uri)
|
||||
if @do_validate
|
||||
if ns[prefix] == require_uri
|
||||
#ns.delete(prefix)
|
||||
else
|
||||
raise NSError.new(tag_name, prefix, require_uri)
|
||||
end
|
||||
end
|
||||
end
|
||||
|
||||
def start_get_text_element(tag_name, prefix, ns, required_uri)
|
||||
@proc_stack.push Proc.new {|text, tags|
|
||||
setter = self.class.setter(required_uri, tag_name)
|
||||
setter ||= "#{tag_name}="
|
||||
if @last_element.respond_to?(setter)
|
||||
@last_element.send(setter, text.to_s)
|
||||
else
|
||||
if @do_validate and not @ignore_unknown_element
|
||||
raise NotExceptedTagError.new(tag_name, @last_element.tag_name)
|
||||
end
|
||||
end
|
||||
}
|
||||
end
|
||||
def start_get_text_element(tag_name, prefix, ns, required_uri)
|
||||
@proc_stack.push Proc.new {|text, tags|
|
||||
setter = self.class.setter(required_uri, tag_name)
|
||||
setter ||= "#{tag_name}="
|
||||
if @last_element.respond_to?(setter)
|
||||
@last_element.send(setter, text.to_s)
|
||||
else
|
||||
if @do_validate and not @ignore_unknown_element
|
||||
raise NotExceptedTagError.new(tag_name, @last_element.tag_name)
|
||||
end
|
||||
end
|
||||
}
|
||||
end
|
||||
|
||||
def start_have_something_element(tag_name, prefix, attrs, ns, klass)
|
||||
def start_have_something_element(tag_name, prefix, attrs, ns, klass)
|
||||
|
||||
check_ns(tag_name, prefix, ns, klass.required_uri)
|
||||
check_ns(tag_name, prefix, ns, klass.required_uri)
|
||||
|
||||
args = []
|
||||
|
||||
klass.get_attributes.each do |a_name, a_uri, required|
|
||||
args = []
|
||||
|
||||
klass.get_attributes.each do |a_name, a_uri, required|
|
||||
|
||||
if a_uri.is_a?(String) or !a_uri.respond_to?(:include?)
|
||||
a_uri = [a_uri]
|
||||
end
|
||||
unless a_uri == [nil]
|
||||
for prefix, uri in ns
|
||||
if a_uri.include?(uri)
|
||||
val = attrs["#{prefix}:#{a_name}"]
|
||||
break if val
|
||||
end
|
||||
end
|
||||
end
|
||||
if val.nil? and a_uri.include?(nil)
|
||||
val = attrs[a_name]
|
||||
end
|
||||
if a_uri.is_a?(String) or !a_uri.respond_to?(:include?)
|
||||
a_uri = [a_uri]
|
||||
end
|
||||
unless a_uri == [nil]
|
||||
for prefix, uri in ns
|
||||
if a_uri.include?(uri)
|
||||
val = attrs["#{prefix}:#{a_name}"]
|
||||
break if val
|
||||
end
|
||||
end
|
||||
end
|
||||
if val.nil? and a_uri.include?(nil)
|
||||
val = attrs[a_name]
|
||||
end
|
||||
|
||||
if @do_validate and required and val.nil?
|
||||
raise MissingAttributeError.new(tag_name, a_name)
|
||||
end
|
||||
if @do_validate and required and val.nil?
|
||||
raise MissingAttributeError.new(tag_name, a_name)
|
||||
end
|
||||
|
||||
args << val
|
||||
end
|
||||
args << val
|
||||
end
|
||||
|
||||
previous = @last_element
|
||||
next_element = klass.send(:new, *args)
|
||||
next_element.do_validate = @do_validate
|
||||
setter = ""
|
||||
setter << "#{klass.required_prefix}_" if klass.required_prefix
|
||||
setter << "#{tag_name}="
|
||||
@last_element.send(setter, next_element)
|
||||
@last_element = next_element
|
||||
@proc_stack.push Proc.new { |text, tags|
|
||||
p(@last_element.class) if DEBUG
|
||||
@last_element.content = text if klass.have_content?
|
||||
@last_element.validate_for_stream(tags) if @do_validate
|
||||
@last_element = previous
|
||||
}
|
||||
end
|
||||
previous = @last_element
|
||||
next_element = klass.send(:new, *args)
|
||||
next_element.do_validate = @do_validate
|
||||
setter = ""
|
||||
setter << "#{klass.required_prefix}_" if klass.required_prefix
|
||||
setter << "#{tag_name}="
|
||||
@last_element.send(setter, next_element)
|
||||
@last_element = next_element
|
||||
@proc_stack.push Proc.new { |text, tags|
|
||||
p(@last_element.class) if DEBUG
|
||||
@last_element.content = text if klass.have_content?
|
||||
@last_element.validate_for_stream(tags) if @do_validate
|
||||
@last_element = previous
|
||||
}
|
||||
end
|
||||
|
||||
end
|
||||
end
|
||||
|
||||
unless const_defined? :AVAILABLE_PARSER_LIBRARIES
|
||||
AVAILABLE_PARSER_LIBRARIES = [
|
||||
["rss/xmlparser", :XMLParserParser],
|
||||
["rss/xmlscanner", :XMLScanParser],
|
||||
["rss/rexmlparser", :REXMLParser],
|
||||
]
|
||||
end
|
||||
unless const_defined? :AVAILABLE_PARSER_LIBRARIES
|
||||
AVAILABLE_PARSER_LIBRARIES = [
|
||||
["rss/xmlparser", :XMLParserParser],
|
||||
["rss/xmlscanner", :XMLScanParser],
|
||||
["rss/rexmlparser", :REXMLParser],
|
||||
]
|
||||
end
|
||||
|
||||
AVAILABLE_PARSERS = []
|
||||
AVAILABLE_PARSERS = []
|
||||
|
||||
AVAILABLE_PARSER_LIBRARIES.each do |lib, parser|
|
||||
begin
|
||||
require lib
|
||||
AVAILABLE_PARSERS.push(const_get(parser))
|
||||
rescue LoadError
|
||||
end
|
||||
end
|
||||
AVAILABLE_PARSER_LIBRARIES.each do |lib, parser|
|
||||
begin
|
||||
require lib
|
||||
AVAILABLE_PARSERS.push(const_get(parser))
|
||||
rescue LoadError
|
||||
end
|
||||
end
|
||||
|
||||
if AVAILABLE_PARSERS.empty?
|
||||
raise XMLParserNotFound
|
||||
end
|
||||
if AVAILABLE_PARSERS.empty?
|
||||
raise XMLParserNotFound
|
||||
end
|
||||
end
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue