Module: Yast::Convert Deprecated

Defined in:
src/ruby/yast/convert.rb

Overview

Deprecated.

ruby need not type conversion and int<->float conversion is explicit

Wrapper to simulate behavior of type conversion in YCP. there is generated shortcuts for conversion to_

Class Method Summary collapse

Class Method Details

.convert(object, options) ⇒ Object

Converts object from given type to target one.



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# File 'src/ruby/yast/convert.rb', line 46

def self.convert(object, options)
  from = options[:from].dup
  to = options[:to].dup

  # ignore whitespaces and specialization in types
  to.gsub!(/<.*>/, "")
  to.gsub!(/\s+/, "")
  from.gsub!(/<.*>/, "")
  from.gsub!(/\s+/, "")

  # reference to function
  to = "function" if to =~ /\(.*\)/

  raise "missing parameter :from" unless from
  raise "missing parameter :to" unless to

  return nil if object.nil?
  return object if from == to

  return object if from == "any" && allowed_type(object, to)
  if to == "float"
    return nil unless object.is_a?(::Integer)
    return object.to_f
  elsif to == "integer"
    return nil unless object.is_a? Float
    Yast.y2warning "Conversion from integer to float lead to loose precision."
    return object.to_i
  end

  return object if to == "locale" && from == "string"
  return object if to == "string" && from == "locale"

  Yast.y2warning(-1, "Cannot convert #{object.class} from '#{from}' to '#{to}'")
  nil
end

.to_boolean(object) ⇒ Boolean?

Returns object, or nil if it is not true or false.

Returns:

  • (Boolean, nil) —

    object, or nil if it is not true or false



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_float(object) ⇒ Float?

Returns object, or nil if it is not a Float.

Returns:

  • (Float, nil) —

    object, or nil if it is not a Float

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_integer(object) ⇒ Integer?

Returns object, or nil if it is not a Integer.

Returns:

  • (Integer, nil) —

    object, or nil if it is not a Integer

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_list(object) ⇒ Array?

Returns object, or nil if it is not a Array.

Returns:

  • (Array, nil) —

    object, or nil if it is not a Array

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_locale(object) ⇒ String?

Returns object, or nil if it is not a String.

Returns:

  • (String, nil) —

    object, or nil if it is not a String



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_map(object) ⇒ Hash?

Returns object, or nil if it is not a Hash.

Returns:

  • (Hash, nil) —

    object, or nil if it is not a Hash

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_path(object) ⇒ Path?

Returns object, or nil if it is not a Path.

Returns:

  • (Path, nil) —

    object, or nil if it is not a Path

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_string(object) ⇒ String?

Returns object, or nil if it is not a String.

Returns:

  • (String, nil) —

    object, or nil if it is not a String

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_symbol(object) ⇒ Symbol?

Returns object, or nil if it is not a Symbol.

Returns:

  • (Symbol, nil) —

    object, or nil if it is not a Symbol

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end

.to_term(object) ⇒ Term?

Returns object, or nil if it is not a Term.

Returns:

  • (Term, nil) —

    object, or nil if it is not a Term

See Also:



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# File 'src/ruby/yast/convert.rb', line 39

Ops::SHORTCUT_TYPES.each do |type|
  define_singleton_method("to_#{type}") do |object|
    convert object, :from => "any", :to => type
  end
end