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* enc/trans/single_byte.trans: refactoring to make it easier

Browse source 
to add more transcodings (with Yoshihiro Kambayashi)

* enc/trans/iso-8859-1-tbl.rb: new file to avoid having to
  treat ISO-8859-1 as special


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20054 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
duerst 2008-10-30 05:47:01 +00:00
parent 5cdd7f52cc
commit 6fd14ccae5
3 changed files with 143 additions and 54 deletions
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91
enc/trans/single_byte.trans
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@ -3,38 +3,25 @@
<%
us_ascii_map = [["{00-7f}", :nomap]]
ISO_8859_1_TO_UCS_TBL = (0x80..0xff).map {|c| ["%02X" % c, c] }
CONTROL1_TO_UCS_TBL = (0x80..0x9f).map {|c| ["%02X" % c, c] }
require 'iso-8859-2-tbl'
require 'iso-8859-3-tbl'
require 'iso-8859-4-tbl'
require 'iso-8859-5-tbl'
require 'iso-8859-6-tbl'
require 'iso-8859-7-tbl'
require 'iso-8859-8-tbl'
require 'iso-8859-9-tbl'
require 'iso-8859-10-tbl'
require 'iso-8859-11-tbl'
require 'iso-8859-13-tbl'
require 'iso-8859-14-tbl'
require 'iso-8859-15-tbl'
require 'windows-874-tbl'
require 'windows-1250-tbl'
require 'windows-1251-tbl'
require 'windows-1252-tbl'
require 'windows-1253-tbl'
require 'windows-1254-tbl'
require 'windows-1255-tbl'
require 'windows-1256-tbl'
require 'windows-1257-tbl'
transcode_tblgen "US-ASCII", "UTF-8", us_ascii_map
transcode_tblgen "UTF-8", "US-ASCII", us_ascii_map
transcode_tblgen "ASCII-8BIT", "UTF-8", us_ascii_map
transcode_tblgen "UTF-8", "ASCII-8BIT", us_ascii_map
def transcode_tblgen_singlebyte(name, tbl_to_ucs)
CONTROL1_TO_UCS_TBL = (0x80..0x9f).map {|c| ["%02X" % c, c] }
# Generate transcoding tables for single byte encoding from
# encoding name using table file.
#
# Conventions:
# name: encoding name as string, UPPER case, hyphens (e.g. 'ISO-8859-3')
# file name: lower case, hyphens, -tbl.rb suffix (e.g. iso-8859-3-tbl.rb)
# variable name: UPPER case, underscores, _TO_UCS_TBL suffix (e.g. ISO_8859_3_TO_UCS_TBL)
# If the name starts with "ISO-8859", the C1 control code area is added automatically.
def transcode_tblgen_singlebyte (name)
require(name.downcase + "-tbl")
control1_if_needed = (name =~ /^ISO-8859/) ? CONTROL1_TO_UCS_TBL : []
tbl_to_ucs = control1_if_needed + eval(name.gsub(/-/, '_') + "_TO_UCS_TBL")
set_valid_byte_pattern(name, '1byte')
code = ''
code << transcode_tblgen(name, "UTF-8", [["{00-7f}", :nomap], *tbl_to_ucs])
@ -43,33 +30,29 @@
code
end
def transcode_tblgen_iso8859(name, tbl_to_ucs)
transcode_tblgen_singlebyte(name, CONTROL1_TO_UCS_TBL + tbl_to_ucs)
end
transcode_tblgen_iso8859("ISO-8859-1", ISO_8859_1_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-2", ISO_8859_2_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-3", ISO_8859_3_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-4", ISO_8859_4_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-5", ISO_8859_5_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-6", ISO_8859_6_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-7", ISO_8859_7_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-8", ISO_8859_8_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-9", ISO_8859_9_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-10", ISO_8859_10_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-11", ISO_8859_11_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-13", ISO_8859_13_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-14", ISO_8859_14_TO_UCS_TBL)
transcode_tblgen_iso8859("ISO-8859-15", ISO_8859_15_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-874", WINDOWS_874_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1250", WINDOWS_1250_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1251", WINDOWS_1251_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1252", WINDOWS_1252_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1253", WINDOWS_1253_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1254", WINDOWS_1254_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1255", WINDOWS_1255_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1256", WINDOWS_1256_TO_UCS_TBL)
transcode_tblgen_singlebyte("WINDOWS-1257", WINDOWS_1257_TO_UCS_TBL)
transcode_tblgen_singlebyte "ISO-8859-1"
transcode_tblgen_singlebyte "ISO-8859-2"
transcode_tblgen_singlebyte "ISO-8859-3"
transcode_tblgen_singlebyte "ISO-8859-4"
transcode_tblgen_singlebyte "ISO-8859-5"
transcode_tblgen_singlebyte "ISO-8859-6"
transcode_tblgen_singlebyte "ISO-8859-7"
transcode_tblgen_singlebyte "ISO-8859-8"
transcode_tblgen_singlebyte "ISO-8859-9"
transcode_tblgen_singlebyte "ISO-8859-10"
transcode_tblgen_singlebyte "ISO-8859-11"
transcode_tblgen_singlebyte "ISO-8859-13"
transcode_tblgen_singlebyte "ISO-8859-14"
transcode_tblgen_singlebyte "ISO-8859-15"
transcode_tblgen_singlebyte "WINDOWS-874"
transcode_tblgen_singlebyte "WINDOWS-1250"
transcode_tblgen_singlebyte "WINDOWS-1251"
transcode_tblgen_singlebyte "WINDOWS-1252"
transcode_tblgen_singlebyte "WINDOWS-1253"
transcode_tblgen_singlebyte "WINDOWS-1254"
transcode_tblgen_singlebyte "WINDOWS-1255"
transcode_tblgen_singlebyte "WINDOWS-1256"
transcode_tblgen_singlebyte "WINDOWS-1257"
%>
<%= transcode_generated_code %>