Class: Spandx::Core::DataFile

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/spandx/core/data_file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(absolute_path) ⇒ DataFile

Returns a new instance of DataFile.



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# File 'lib/spandx/core/data_file.rb', line 10

def initialize(absolute_path)
  @absolute_path = Pathname.new(absolute_path)
  FileUtils.mkdir_p(@absolute_path.dirname)
end

Instance Attribute Details

#absolute_path ⇒ Object (readonly)

Returns the value of attribute absolute_path.



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# File 'lib/spandx/core/data_file.rb', line 8

def absolute_path
  @absolute_path
end

Instance Method Details

#each ⇒ Object 



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# File 'lib/spandx/core/data_file.rb', line 15

def each
  return unless exist?

  open_file(mode: 'rb') do |io|
    while (line = io.gets)
      yield CsvParser.parse(line)
    end
  end
end

#exist? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/spandx/core/data_file.rb', line 44

def exist?
  absolute_path.exist?
end

#index ⇒ Object 



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# File 'lib/spandx/core/data_file.rb', line 55

def index
  @index ||= IndexFile.new(self)
end

#insert(name, version, licenses) ⇒ Object 



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# File 'lib/spandx/core/data_file.rb', line 36

def insert(name, version, licenses)
  return if [name, version].any? { |x| x.nil? || x.empty? }

  open_file(mode: 'a') do |io|
    io.write(to_csv([name, version, licenses.join('-|-')]))
  end
end

#open_file(mode: 'rb') ⇒ Object 



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# File 'lib/spandx/core/data_file.rb', line 48

def open_file(mode: 'rb')
  absolute_path.open(mode) { |io| yield io }
rescue Errno::ENOENT => error
  Spandx.logger.error(error)
  nil
end

#search(name:, version:) ⇒ Object 



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# File 'lib/spandx/core/data_file.rb', line 25

def search(name:, version:)
  return if name.nil? || name.empty?
  return if version.nil? || name.empty?
  return unless absolute_path.exist?

  term = "#{name}-#{version}"
  index.search do |row|
    term <=> "#{row[0]}-#{row[1]}"
  end
end

#to_s ⇒ Object 



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# File 'lib/spandx/core/data_file.rb', line 59

def to_s
  absolute_path.to_s
end