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require 'roo/excelx/extractor'
module Roo
class Excelx
class Workbook < Excelx::Extractor
class Label
attr_reader :sheet, :row, :col, :name
def initialize(name, sheet, row, col)
@name = name
@sheet = sheet
@row = row.to_i
@col = ::Roo::Utils.letter_to_number(col)
end
def key
[@row, @col]
end
end
def initialize(path)
super
fail ArgumentError, 'missing required workbook file' unless doc_exists?
end
def sheets
doc.xpath('//sheet')
end
# aka labels
def defined_names
Hash[doc.xpath('//definedName').map do |defined_name|
# "Sheet1!$C$5"
sheet, coordinates = defined_name.text.split('!$', 2)
col, row = coordinates.split('$')
name = defined_name['name']
[name, Label.new(name, sheet, row, col)]
end]
end
def base_date
@base_date ||=
begin
# Default to 1900 (minus one day due to excel quirk) but use 1904 if
# it's set in the Workbook's workbookPr
# http://msdn.microsoft.com/en-us/library/ff530155(v=office.12).aspx
result = Date.new(1899, 12, 30) # default
doc.css('workbookPr[date1904]').each do |workbookPr|
if workbookPr['date1904'] =~ /true|1/i
result = Date.new(1904, 01, 01)
break
end
end
result
end
end
end
end
end
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