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Contents
require 'spreadsheet/compatibility'
module Spreadsheet
module Excel
##
# This module is used to keep track of offsets in modified Excel documents.
# Considered internal and subject to change without notice.
module Offset
include Compatibility
attr_reader :changes, :offsets
def initialize *args
super
@changes = {}
@offsets = {}
end
def Offset.append_features mod
super
mod.module_eval do
class << self
include Compatibility
def offset *keys
keys.each do |key|
attr_reader key unless instance_methods.include? method_name(key)
define_method "#{key}=" do |value|
@changes.store key, true
instance_variable_set ivar_name(key), value
end
define_method "set_#{key}" do |value, pos, len|
instance_variable_set ivar_name(key), value
@offsets.store key, [pos, len]
havename = "have_set_#{key}"
send(havename, value, pos, len) if respond_to? havename
end
end
end
end
end
end
end
end
end
Version data entries
88 entries across 88 versions & 7 rubygems