Class: VersionFile

Inherits:
Object
  • Object
show all
Defined in:
lib/vamper/version_file.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io) ⇒ VersionFile

Returns a new instance of VersionFile.



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# File 'lib/vamper/version_file.rb', line 9

def initialize(io)
  if io
    @doc = Nokogiri::XML(io, &:noblanks)

    unless @doc.root.name == 'Version'
      raise BadVersionFile, 'Root element must be Version'
    end
  else
    @doc = Nokogiri::XML::Document.new
    @doc.root.add_child(Nokogiri::XML::Element.new('Version', @doc))
  end

  add_attribute @doc.root, :BuildValueType => :JDate
  add_child_list_element @doc.root, :Files, :Tags
  add_child_element tags_element,
    :Major => 1, :Minor => 0, :Build => 0, :Patch => 0, :Revision => 0, :TimeZone => 'UTC'
  add_child_element tags_element, {:StartYear => TZInfo::Timezone.get(self.time_zone).now.year}
end

Instance Attribute Details

#tags ⇒ Object (readonly)

Returns the value of attribute tags.



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# File 'lib/vamper/version_file.rb', line 7

def tags
  @tags
end

Instance Method Details

#add_attribute(parent_node, attr_definitions) ⇒ Object 



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# File 'lib/vamper/version_file.rb', line 28

def add_attribute(parent_node, attr_definitions)
  attr_definitions.each { |attr_symbol, attr_default|
    method_name = attr_symbol.to_s.underscore
    unless parent_node[attr_symbol]
      parent_node[attr_symbol] = attr_default
    end
    define_singleton_method(method_name.to_sym) {
      parent_node[attr_symbol].to_sym
    }
    define_singleton_method((method_name + '=').to_sym) { |value|
      parent_node[attr_symbol] = value.to_s
    }
  }
end

#add_child_element(parent_element, element_definitions) ⇒ Object 



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# File 'lib/vamper/version_file.rb', line 58

def add_child_element(parent_element, element_definitions)
  element_definitions.each { |element_symbol, element_default|
    name = element_symbol.to_s
    elem = parent_element.at(name)
    unless elem
      elem = parent_element.add_child(Nokogiri::XML::Element.new(name, @doc))
      elem.content = element_default.to_s
    end

    method_name = name.underscore
    case element_default
      when Fixnum
        define_singleton_method(method_name.to_sym) {
          Integer(elem.content)
        }
      when String
        define_singleton_method(method_name.to_sym) {
          elem.content.to_s
        }
    end
    define_singleton_method((method_name + '=').to_sym) { |value|
      elem.content = value.to_s
    }
  }
end

#add_child_list_element(parent_element, *element_symbols) ⇒ Object 



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# File 'lib/vamper/version_file.rb', line 43

def add_child_list_element(parent_element, *element_symbols)
  element_symbols.each { |element_symbol|
    name = element_symbol.to_s
    elem = parent_element.at(name)
    unless elem
      elem = parent_element.add_child(Nokogiri::XML::Element.new(name, @doc))
    end

    method_name = name.underscore + '_element'
    define_singleton_method(method_name.to_sym) {
      elem
    }
  }
end

#files ⇒ Object 



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# File 'lib/vamper/version_file.rb', line 91

def files
  files_element.children.select {|node| node.name != 'text'}.map {|node| node.content}
end

#write_to(io) ⇒ Object 



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# File 'lib/vamper/version_file.rb', line 84

def write_to(io)
  @doc.write_xml_to(io, :indent_text => ' ', :indent => 2)
end