Class: Npm2Rpm::Metadata

Inherits:
Object
  • Object
show all
Defined in:
lib/npm2rpm/metadata.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, version = nil) ⇒ Metadata

Returns a new instance of Metadata.



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# File 'lib/npm2rpm/metadata.rb', line 128

def initialize name, version = nil
  # Get details from central NPM repository
  # FIXME: Server returns... not quite JSON.
  @metaurl = "https://registry.npmjs.org/#{name}"
  
  json = Download.new(@metaurl).content
  # $metadata_json =~ s/\b([^"':\s]+)(:\s+)/"$1"$2/gm;
  # $metadata_json =~ s/'/"/gm;
  @metadata = JSON.parse json
  @version = version || @metadata["dist-tags"]["latest"] || abort("Can't determine version")
  puts "#{name}-#{@version}"
  @npmdata = @metadata["versions"][@version] || abort("No such version: #{@version.inspect}")
  @name = @metadata["name"]
  abort("Name mismatch, want #{name.inspect}, got #{@name.inspect}") unless name == @name
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/npm2rpm/metadata.rb', line 148

def method_missing name, *args
  result = @metadata[name.to_s]
  while args
    s = args.shift
    case result
    when Hash
      result = result[s.to_s]
    else
      result = nil
      break
    end
  end
  result
end

Instance Attribute Details

#name ⇒ Object (readonly)

npmdata is version-specific information



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# File 'lib/npm2rpm/metadata.rb', line 127

def name
  @name
end

#npmdata ⇒ Object (readonly)

npmdata is version-specific information



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# File 'lib/npm2rpm/metadata.rb', line 127

def npmdata
  @npmdata
end

#version ⇒ Object (readonly)

npmdata is version-specific information



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# File 'lib/npm2rpm/metadata.rb', line 127

def version
  @version
end

Instance Method Details

#tarball ⇒ Object 



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# File 'lib/npm2rpm/metadata.rb', line 144

def tarball
  url = @npmdata["dist"]["tarball"]
end