Class: Innards::Parsers::GetMetadataParser

Inherits:
ParserBase
  • Object
show all
Defined in:
lib/innards/parsers/get_metadata_parser.rb

Overview

SAX Parser for RETS Metadata

Constant Summary collapse

METADATA_SECTIONS = 
{
  "METADATA-RESOURCE" => :resources,
  "METADATA-CLASS" => :classes,
  "METADATA-TABLE" => :tables,
  "METADATA-OBJECT" => :objects,
  "METADATA-SEARCH_HELP" => :search_help,
  "METADATA-EDITMASK" => :edit_masks,
  "METADATA-LOOKUP" => :lookups,
  "METADATA-LOOKUP_TYPE" => :lookup_types
}

Instance Attribute Summary

Attributes inherited from ParserBase

#metadata, #rets_response

Instance Method Summary collapse

Methods inherited from ParserBase

#data_merger, #data_splitter, #element_tracker_switch, #response_code, #split_multiline_key_value_pairs, #switch_active?, #valid_rets_response_received?

Constructor Details

#initialize ⇒ GetMetadataParser

Returns a new instance of GetMetadataParser.



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# File 'lib/innards/parsers/get_metadata_parser.rb', line 19

def initialize
  super()
  @current_builder = {}
end

Instance Method Details

#attr(name, value) ⇒ Object 



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# File 'lib/innards/parsers/get_metadata_parser.rb', line 35

def attr(name, value)
  super
  METADATA_SECTIONS.each_key do |section|
    if switch_active?(:"#{section}")
      @current_builder[name.to_sym] = value
    end
  end
end

#end_element(name) ⇒ Object 



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# File 'lib/innards/parsers/get_metadata_parser.rb', line 28

def end_element(name)
  super
  if METADATA_SECTIONS.has_key?(name.to_s)
    @current_builder = {}
  end
end

#start_element(name) ⇒ Object 



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# File 'lib/innards/parsers/get_metadata_parser.rb', line 24

def start_element(name)
  super
end

#text(value) ⇒ Object 



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# File 'lib/innards/parsers/get_metadata_parser.rb', line 44

def text(value)
  super

  if switch_active?(:COLUMNS)
    @current_builder[:columns] = data_splitter(value)
  end

  METADATA_SECTIONS.each_pair do |section, symbol|
    if switch_active?(:"#{section}") and switch_active?(:DATA)
      parsed_data = data_merger(@current_builder[:columns], data_splitter(value))
      filtered = @current_builder.reject{ |key| key == :columns }

      @metadata[symbol] = [] unless @metadata.has_key?(symbol)
      @metadata[symbol].push parsed_data.merge(filtered)
    end
  end
end