Class: Gribr::Degrib::Index

Inherits:
File
  • Object
show all
Defined in:
lib/gribr/degrib/index.rb

Constant Summary collapse

EXTNAME = 
"idx".freeze

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.command(file) ⇒ Object 



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# File 'lib/gribr/degrib/index.rb', line 27

def command(file)
  file = File.new(file.respond_to?(:path) ? file.path : file) unless file.kind_of?(File)
  "#{Degrib.executeable.name} #{file.path} -Data -Index #{file.indexname}"
end

.create(file) ⇒ Object 



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# File 'lib/gribr/degrib/index.rb', line 32

def create(file)
  gribfile = File.new(file.respond_to?(:path) ? file.path : file)
  system(command(gribfile))
  new(gribfile.indexname) if $? == 0
end

.create!(file) ⇒ Object 



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# File 'lib/gribr/degrib/index.rb', line 38

def create!(file)
  create(file) || raise("Can't create degrib index for #{file}.")
end

.extname ⇒ Object 



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# File 'lib/gribr/degrib/index.rb', line 42

def extname
  EXTNAME
end

Instance Method Details

#cube ⇒ Object

Returns the cube of the degrib index.



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# File 'lib/gribr/degrib/index.rb', line 16

def cube
  @cube ||= Cube.new(cubename)
end

#cubename ⇒ Object

Returns the pathname of the degrib cube file.



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# File 'lib/gribr/degrib/index.rb', line 21

def cubename
  path.gsub(Regexp.new("#{File.extname(path)}$"), ".#{Cube.extname}")
end

#delete ⇒ Object 



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# File 'lib/gribr/degrib/index.rb', line 10

def delete
  super
  cube.delete if cube.exist?
end