class RubyXL::OOXMLTopLevelObject

Extension class providing functionality for top-level OOXML objects that are represented by their own .xml files in .xslx zip container.

Constants

ROOT
SAVE_ORDER

Attributes

root[RW]

Public Class Methods

parse_file(zip_file, file_path) click to toggle source

Generates the top-level OOXML object by parsing its XML file from the contents of the .xslx container.

Parameters ↑

  • zip_file - .xslx file as Zip::File object

  • file_path - path to the subject file inside the .xslx zip archive

# File lib/rubyXL/objects/ooxml_object.rb, line 437
def self.parse_file(zip_file, file_path)
  entry = zip_file.find_entry(RubyXL::from_root(file_path))
  # Accomodate for Nokogiri Java implementation which is incapable of reading from a stream
  entry && (entry.get_input_stream { |f| parse(defined?(JRUBY_VERSION) ? f.read : f) })
end
set_namespaces(namespace_hash) click to toggle source

Sets the list of namespaces on this object to be added when writing out XML. Valid only on top-level objects.

Parameters ↑

  • namespace_hash - Hash of namespaces in the form of "url" => "prefix"

Examples ↑

set_namespaces('http://schemas.openxmlformats.org/spreadsheetml/2006/main' => nil,
               'http://schemas.openxmlformats.org/officeDocument/2006/relationships' => 'r')

# File lib/rubyXL/objects/ooxml_object.rb, line 429
def self.set_namespaces(namespace_hash)
  self.class_variable_set(:@@ooxml_namespaces, namespace_hash)
end

Public Instance Methods

add_to_zip(zip_stream) click to toggle source

Saves the contents of the object as XML to respective location in .xslx zip container.

Parameters ↑

  • zipfile - ::Zip::File to which the resulting XNMML should be added.

# File lib/rubyXL/objects/ooxml_object.rb, line 446
def add_to_zip(zip_stream)
  xml_string = write_xml
  return false if xml_string.empty?
  zip_stream.put_next_entry(RubyXL::from_root(self.xlsx_path))
  zip_stream.write(xml_string)
  true
end
file_index() click to toggle source 
# File lib/rubyXL/objects/ooxml_object.rb, line 454
def file_index
  root.rels_hash[self.class].index{ |f| f.equal?(self) }.to_i + 1
end
xlsx_path() click to toggle source

Prototype method. For top-level OOXML object, returns the path at which the current object's XML file is located within the .xlsx zip container.

# File lib/rubyXL/objects/ooxml_object.rb, line 419
def xlsx_path
  raise 'Subclass responsebility'
end