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#!/usr/bin/env ruby
# Spreadsheet::Encoding -- spreadheet -- 07.09.2011 -- mhatakeyama@ywesee.com
# Spreadsheet::Encoding -- spreadheet -- 03.07.2009 -- hwyss@ywesee.com
module Spreadsheet
##
# Methods for Encoding-conversions. You should not need to use any of these.
module Encodings
if RUBY_VERSION >= "1.9"
def client string, internal = "UTF-16LE"
string = string.dup
string.force_encoding internal
string.encode Spreadsheet.client_encoding
end
def internal string, client = Spreadsheet.client_encoding
string = string.dup
string.force_encoding client
string.encode("UTF-16LE").force_encoding("ASCII-8BIT")
end
def utf8 string, client = Spreadsheet.client_encoding
string = string.dup
string.force_encoding client
string.encode("UTF-8")
end
else
require "iconv"
@@iconvs = {}
def build_output_encoding(to_encoding)
[to_encoding, Spreadsheet.enc_translit, Spreadsheet.enc_ignore].compact.join("//")
end
def client string, internal = "UTF-16LE"
string = string.dup
key = [Spreadsheet.client_encoding, internal]
iconv = @@iconvs[key] ||= Iconv.new(Spreadsheet.client_encoding, internal)
iconv.iconv string
end
def internal string, client = Spreadsheet.client_encoding, to_encoding = "UTF-16LE"
string = string.dup
key = [to_encoding, client]
iconv = @@iconvs[key] ||= Iconv.new(build_output_encoding(to_encoding), client)
iconv.iconv string
end
def utf8 string, client = Spreadsheet.client_encoding, to_encoding = "UTF-8"
string = string.dup
key = [to_encoding, client]
iconv = @@iconvs[key] ||= Iconv.new(build_output_encoding(to_encoding), client)
iconv.iconv string
end
end
rescue LoadError
warn "You don't have Iconv support compiled in your Ruby. Spreadsheet may not work as expected"
def client string, internal = "UTF-16LE"
string.delete "\0"
end
def internal string, internal = "UTF-16LE"
string.chars.zip(Array.new(string.size, 0.chr)).join
end
end
end
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