Class: Emf::Visitors::Dump

Inherits:
Model::Visitor show all
Defined in:
lib/emf/visitors/dump.rb

Overview

Human-readable record-by-record dump. Used by emf dump (TODO 19) and as a debugging tool.

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Model::Visitor

register_visit, visit_all

Constructor Details

#initialize ⇒ Dump

Returns a new instance of Dump.



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# File 'lib/emf/visitors/dump.rb', line 8

def initialize
  @lines = []
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/emf/visitors/dump.rb', line 38

def method_missing(name, *args)
  return super unless name.to_s.start_with?("visit_")

  record = args.first
  return unless record

  type_id = begin
    record.type_id
  rescue StandardError
    nil
  end
  @lines << format("  rec: %s type_id=%s", record.class.name&.split("::")&.last, type_id)
end

Instance Attribute Details

#lines ⇒ Object (readonly)

Returns the value of attribute lines.



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# File 'lib/emf/visitors/dump.rb', line 12

def lines
  @lines
end

Instance Method Details

#respond_to_missing?(name, _include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/emf/visitors/dump.rb', line 52

def respond_to_missing?(name, _include_private = false)
  name.to_s.start_with?("visit_") || super
end

#to_s ⇒ Object 



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# File 'lib/emf/visitors/dump.rb', line 14

def to_s
  @lines.join("\n")
end

#visit(record) ⇒ Object 



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# File 'lib/emf/visitors/dump.rb', line 18

def visit(record)
  record.accept(self)
  self
end

#visit_all(metafile) ⇒ Object 



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# File 'lib/emf/visitors/dump.rb', line 23

def visit_all(metafile)
  @lines << format("Metafile format=%s records=%d errors=%d",
                   metafile.format, metafile.records.length, metafile.errors.length)
  header = metafile.header
  @lines << "  Header: #{header.class}" if header
  metafile.each { |record| record.accept(self) }
  metafile.errors.each { |e| @lines << "  Error: #{e.message}" }
  self
end

#visit_emr_wire_record(adapter) ⇒ Object 



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# File 'lib/emf/visitors/dump.rb', line 33

def visit_emr_wire_record(adapter)
  wire = adapter.wire
  @lines << "  rec[#{adapter.offset}] type_id=#{adapter.type_id} #{wire.class.name&.split('::')&.last}"
end