Class: Libis::Metadata::Mapper

Inherits:
Object
  • Object
show all
Defined in:
lib/libis/metadata/mapper.rb

Overview

New style parsers and converters for metadata. New, not finished and untested.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(selection_parser, target_parser, format_parser, config_xlsx) ⇒ Mapper

Returns a new instance of Mapper.



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# File 'lib/libis/metadata/mapper.rb', line 18

def initialize(selection_parser, target_parser, format_parser, config_xlsx)
  @selection_parser = selection_parser
  @target_parser = target_parser
  @format_parser = format_parser
  @mapping = []
  @tables = {}
  doc = SimpleXlsxReader.open(config_xlsx)
  doc.sheets.each do |sheet|
    if sheet.name == 'Mapping'
      mapping = sheet_to_hash(sheet)
      mapping.each do |rule|
        # noinspection RubyStringKeysInHashInspection
        @mapping << {
            'Selection' => begin
              selection_parser.parse(rule['Selection'])
            rescue Parslet::ParseFailed => error
              puts "Error parsing '#{rule['Selection']}'"
              puts error.cause.ascii_tree
            end,
            'Target' => begin
              target_parser.parse(rule['Target'])
            rescue Parslet::ParseFailed => error
              puts "Error parsing '#{rule['Target']}'"
              puts error.cause.ascii_tree
            end,
            'Format' => begin
              format_parser.parse(rule['Format'])
            rescue Parslet::ParseFailed => error
              puts "Error parsing '#{rule['Format']}'"
              puts error.cause.ascii_tree
            end,
        }
      end
    else
      @tables[sheet.name] = sheet_to_hash(sheet)
    end
  end
  if @mapping.empty?
    raise RuntimeError, "Failure: config file '#{config_xlsx}' does not contain a 'Mapping' sheet."
  end
end

Instance Attribute Details

#format_parser ⇒ Object (readonly)

Returns the value of attribute format_parser.



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# File 'lib/libis/metadata/mapper.rb', line 15

def format_parser
  @format_parser
end

#mapping ⇒ Object (readonly)

Returns the value of attribute mapping.



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# File 'lib/libis/metadata/mapper.rb', line 16

def mapping
  @mapping
end

#selection_parser ⇒ Object (readonly)

Returns the value of attribute selection_parser.



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# File 'lib/libis/metadata/mapper.rb', line 15

def selection_parser
  @selection_parser
end

#tables ⇒ Object (readonly)

Returns the value of attribute tables.



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# File 'lib/libis/metadata/mapper.rb', line 16

def tables
  @tables
end

#target_parser ⇒ Object (readonly)

Returns the value of attribute target_parser.



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# File 'lib/libis/metadata/mapper.rb', line 15

def target_parser
  @target_parser
end