Class: FileMetadata

Inherits:
Metadata show all
Defined in:
lib/tpkg/metadata.rb

Constant Summary

Constants inherited from Metadata

Metadata::REQUIRED_FIELDS

Instance Attribute Summary

Attributes inherited from Metadata

#file, #format, #source, #text

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Metadata

#[], #[]=, #add_tpkg_version, clean_for_filename, #generate_package_filename, #get_native_deps, get_pkgs_metadata_from_yml_doc, #initialize, #metadata_xml_to_hash, #validate, #verify_required_fields, #verify_yaml, #write

Constructor Details

This class inherits a constructor from Metadata

Class Method Details

.instantiate_from_dir(dir) ⇒ Object

Given the directory from which the file_metadata is saved, returns a FileMetadata object. The file_metadata file can be in binary, yaml or xml.



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# File 'lib/tpkg/metadata.rb', line 737

def self.instantiate_from_dir(dir)
  file_metadata = nil
  if File.exist?(File.join(dir, 'file_metadata.bin'))
    file_metadata = FileMetadata.new(File.read(File.join(dir, 'file_metadata.bin')), 'bin')
  elsif File.exist?(File.join(dir, 'file_metadata.yml'))
    file_metadata = FileMetadata.new(File.read(File.join(dir, 'file_metadata.yml')), 'yml')
  elsif File.exists?(File.join(dir, 'file_metadata.xml'))
    file_metadata = FileMetadata.new(File.read(File.join(dir, 'file_metadata.xml')), 'xml')
  end
  return file_metadata
end

Instance Method Details

#file_metadata_xml_to_hash ⇒ Object 



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# File 'lib/tpkg/metadata.rb', line 766

def file_metadata_xml_to_hash
  return if @format != "xml"

  file_metadata_hash = {}
  files = []
  file_metadata_xml = REXML::Document.new(@text)
  file_metadata_hash[:package_file] = file_metadata_xml.root.attributes['package_file']
  file_metadata_xml.elements.each("files/file") do | file_ele |
    file = {}
    file[:path] = file_ele.elements['path'].text
    file[:relocatable] = file_ele.attributes["relocatable"] == "true"

    if file_ele.elements["checksum"]
      digests = []
      file_ele.elements.each("checksum/digest") do | digest_ele |
        digest = {}
        digest['value'] = digest_ele.text
        digest['encrypted'] = digest_ele.attributes['encrypted'] && digest_ele.attributes['encrypted'] == "true"
        digest['decrypted'] = digest_ele.attributes['decrypted'] && digest_ele.attributes['decrypted'] == "true"
        digests << digest
      end
      checksum = {:digests => digests, :algorithm => file_ele.elements["checksum"].elements["algorithm"]}
    end
    file[:checksum] = checksum
    files << file
  end
  file_metadata_hash[:files] = files
  return file_metadata_hash
end

#to_hash ⇒ Object 



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# File 'lib/tpkg/metadata.rb', line 749

def to_hash
  if @hash
    return @hash
  end

  if @format == 'bin'
    hash = Marshal::load(@text)
    @hash = hash.with_indifferent_access
  elsif @format == 'yml'
    hash = YAML::load(@text)
    @hash = hash.with_indifferent_access
  elsif @format == 'xml'
    @hash = file_metadata_xml_to_hash
  end
  return @hash
end