--- /dev/null
+#!/usr/bin/perl
+#
+# usage: make-casetable.pl <infile> <outfile1> <outfile2>
+# make-casetable.pl UnicodeData.txt utf16_casetable.h utf16_case.c
+#
+# (c) 2011 by HAT <hat@fa2.so-net.ne.jp>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+
+# See
+# http://www.unicode.org/reports/tr44/
+# http://www.unicode.org/Public/UNIDATA/UnicodeData.txt
+
+# One block has 64 chars.
+#
+# BMP
+# block 0 = dummy
+# block 1 = U+0000 - U+003F
+# block 2 = U+0040 - U+007F
+# .....
+# block 1024 = U+FFC0 - U+FFFF
+# block 1025 = dummy
+#
+# Surrogate Pair
+# block 1024 = dummy
+# block 1025 = U+010000 - U+01003F
+# block 1026 = U+010040 - U+01007F
+# .....
+# block 17408 = U+10FFC0 - U+10FFFF
+# block 17409 = dummy
+#
+# Dummy block is for edge detection.
+# If block include upper/lower chars, block_enable[]=1.
+
+use strict;
+use warnings;
+
+our $code0;
+our $Name1;
+our $General_Category2;
+our $Canonical_Combining_Class3;
+our $Bidi_Class4;
+our $Decomposition_Mapping5;
+our $Numeric_Value6;
+our $Numeric_Value7;
+our $Numeric_Value8;
+our $Bidi_Mirrored9;
+our $Unicode_1_Name10;
+our $ISO_Comment11;
+our $Simple_Uppercase_Mapping12;
+our $Simple_Lowercase_Mapping13;
+our $Simple_Titlecase_Mapping14;
+
+our $hex_code0;
+our $Mapping;
+our $hex_Mapping;
+
+our $char;
+our $sp;
+our $block;
+
+our @table;
+our @table_sp;
+
+our @block_enable;
+our @block_enable_sp;
+
+our $table_no;
+our $block_start;
+our $block_end;
+our $char_start;
+our $char_end;
+
+open(CHEADER, ">$ARGV[1]");
+open(CSOURCE, ">$ARGV[2]");
+
+printf (CHEADER "\/\*\n");
+printf (CHEADER "DO NOT EDIT BY HAND\!\!\!\n");
+printf (CHEADER "\n");
+printf (CHEADER "This file is generated by\n");
+printf (CHEADER " contrib/shell_utils/make-casetable.pl %s %s %s\n", $ARGV[0], $ARGV[1], $ARGV[2]);
+printf (CHEADER "\n");
+printf (CHEADER "%s is got from\n", $ARGV[0]);
+printf (CHEADER "http\:\/\/www.unicode.org\/Public\/UNIDATA\/UnicodeData.txt\n");
+printf (CHEADER "\*\/\n");
+printf (CHEADER "\n");
+
+printf (CSOURCE "\/\*\n");
+printf (CSOURCE "DO NOT EDIT BY HAND\!\!\!\n");
+printf (CSOURCE "\n");
+printf (CSOURCE "This file is generated by\n");
+printf (CSOURCE " contrib/shell_utils/make-casetable.pl %s %s %s\n", $ARGV[0], $ARGV[1], $ARGV[2]);
+printf (CSOURCE "\n");
+printf (CSOURCE "%s is got from\n", $ARGV[0]);
+printf (CSOURCE "http\:\/\/www.unicode.org\/Public\/UNIDATA\/UnicodeData.txt\n");
+printf (CSOURCE "\*\/\n");
+printf (CSOURCE "\n");
+printf (CSOURCE "\#include \<stdint.h\>\n");
+printf (CSOURCE "\#include \<atalk\/unicode.h\>\n");
+printf (CSOURCE "\#include \"%s\"\n", $ARGV[1]);
+printf (CSOURCE "\n");
+
+&make_array("upper");
+&make_array("lower");
+
+printf (CHEADER "\/\* EOF \*\/\n");
+printf (CSOURCE "\/\* EOF \*\/\n");
+
+close(CHEADER);
+close(CSOURCE);
+
+
+###########################################################################
+sub make_array{
+
+ # init table -----------------------------------------------------
+
+ for ($char = 0 ; $char <= 0xFFFF ; $char++) {
+ $table[$char][0] = $char; # mapped char
+ $table[$char][1] = $char; # orig char
+ $table[$char][2] = ""; # char name
+ }
+
+ for ($char = 0x10000 ; $char <= 0x10FFFF ; $char++) {
+ $sp = ((0xD800 - (0x10000 >> 10) + ($char >> 10)) << 16)
+ + (0xDC00 + ($char & 0x3FF));
+ $table_sp[$char][0] = $sp; # mapped surrogate pair
+ $table_sp[$char][1] = $sp; # orig surrogate pair
+ $table_sp[$char][2] = $char; # mapped char
+ $table_sp[$char][3] = $char; # orig char
+ $table_sp[$char][4] = ""; # char name
+ }
+
+ for ($block = 0 ; $block <= 1025 ; $block++) {
+ $block_enable[$block] = 0;
+ }
+
+ $block_enable[1] = 1; # ASCII block is forcibly included
+ $block_enable[2] = 1; # in the array for Speed-Up.
+
+ for ($block = 1024 ; $block <= 17409 ; $block++) {
+ $block_enable_sp[$block] = 0;
+ }
+
+ # write data to table --------------------------------------------
+
+ open(UNICODEDATA, "<$ARGV[0]");
+
+ while (<UNICODEDATA>) {
+ chop;
+ (
+ $code0,
+ $Name1,
+ $General_Category2,
+ $Canonical_Combining_Class3,
+ $Bidi_Class4,
+ $Decomposition_Mapping5,
+ $Numeric_Value6,
+ $Numeric_Value7,
+ $Numeric_Value8,
+ $Bidi_Mirrored9,
+ $Unicode_1_Name10,
+ $ISO_Comment11,
+ $Simple_Uppercase_Mapping12,
+ $Simple_Lowercase_Mapping13,
+ $Simple_Titlecase_Mapping14
+ ) = split(/\;/);
+
+ if ($_[0] eq "upper") {
+ $Mapping = $Simple_Uppercase_Mapping12;
+ } elsif ($_[0] eq "lower") {
+ $Mapping = $Simple_Lowercase_Mapping13;
+ } else {
+ exit(1);
+ }
+
+ next if ($Mapping eq "");
+
+ $hex_code0 = hex($code0);
+ $hex_Mapping = hex($Mapping);
+
+ if ($hex_code0 <= 0xFFFF) {
+ $table[$hex_code0][0] = $hex_Mapping;
+ #table[$hex_code0][1] already set
+ $table[$hex_code0][2] = $Name1;
+ $block_enable[($hex_code0 / 64) +1] = 1;
+ } else {
+ $sp = ((0xD800 - (0x10000 >> 10) + ($hex_Mapping >> 10)) << 16)
+ + (0xDC00 + ($hex_Mapping & 0x3FF));
+ $table_sp[$hex_code0][0] = $sp;
+ #table_sp[$hex_code0][1] already set
+ $table_sp[$hex_code0][2] = $hex_Mapping;
+ #table_sp[$hex_code0][3] already set
+ $table_sp[$hex_code0][4] = $Name1;
+ $block_enable_sp[($hex_code0 / 64) +1] = 1;
+ }
+ }
+
+ close(UNICODEDATA);
+
+ # array for BMP --------------------------------------------------
+
+ printf(CSOURCE "\/*******************************************************************\n");
+ printf(CSOURCE " Convert a wide character to %s case.\n", $_[0]);
+ printf(CSOURCE "*******************************************************************\/\n");
+ printf(CSOURCE "ucs2\_t to%s\_w\(ucs2\_t val\)\n", $_[0]);
+ printf(CSOURCE "{\n");
+
+ $table_no = 1;
+
+ for ($block = 1 ; $block <= 1024 ; $block++) {
+
+ # rising edge detection
+ if ($block_enable[$block - 1] == 0 && $block_enable[$block] == 1) {
+ $block_start = $block;
+ }
+
+ # falling edge detection
+ if ($block_enable[$block] == 1 && $block_enable[$block + 1] == 0) {
+ $block_end = $block;
+
+ $char_start = ($block_start -1)* 64;
+ $char_end = ($block_end * 64) -1;
+
+ printf(CHEADER "static const u\_int16\_t %s\_table\_%d\[%d\] \= \{\n",
+ $_[0], $table_no, $char_end - $char_start +1);
+
+ for ($char = $char_start ; $char <= $char_end ; $char++) {
+ printf(CHEADER " 0x%04X, /*U\+%04X*/ /*%s*/\n",
+ $table[$char][0],
+ $table[$char][1],
+ $table[$char][2]
+ );
+ }
+ printf(CHEADER "\}\;\n");
+ printf(CHEADER "\n");
+
+ if ($char_start == 0x0000) {
+ printf(CSOURCE " if \( val \<\= 0x%04X)\n",
+ $char_end);
+ printf(CSOURCE " return %s\_table\_%d\[val]\;\n",
+ $_[0], $table_no);
+ } else {
+ printf(CSOURCE " if \( val \>\= 0x%04X \&\& val \<\= 0x%04X)\n",
+ $char_start, $char_end);
+ printf(CSOURCE " return %s\_table\_%d\[val-0x%04X\]\;\n",
+ $_[0], $table_no, $char_start);
+ }
+ printf(CSOURCE "\n");
+
+ $table_no++;
+ }
+ }
+
+ printf(CSOURCE "\treturn \(val\)\;\n");
+ printf(CSOURCE "\}\n");
+ printf(CSOURCE "\n");
+
+ # array for Surrogate Pair ---------------------------------------
+
+ printf(CSOURCE "\/*******************************************************************\n");
+ printf(CSOURCE " Convert a surrogate pair to %s case.\n", $_[0]);
+ printf(CSOURCE "*******************************************************************\/\n");
+ printf(CSOURCE "uint32\_t to%s\_sp\(uint32\_t val\)\n", $_[0]);
+ printf(CSOURCE "{\n");
+
+ $table_no = 1;
+
+ for ($block = 1025 ; $block <= 17408 ; $block++) {
+
+ # rising edge detection
+ if ((($block_enable_sp[$block - 1] == 0) || ((($block - 1) & 0xF) == 0))
+ && ($block_enable_sp[$block] == 1)) {
+ $block_start = $block;
+ }
+
+ # falling edge detection
+ if (($block_enable_sp[$block] == 1) &&
+ ((($block - 1) & 0xF == 0xF) || ($block_enable_sp[$block + 1] == 0))) {
+ $block_end = $block;
+
+ $char_start = ($block_start -1)* 64;
+ $char_end = ($block_end * 64) -1;
+
+ printf(CHEADER "static const u\_int32\_t %s\_table\_sp\_%d\[%d\] \= \{\n",
+ $_[0], $table_no, $char_end - $char_start +1);
+
+ for ($char = $char_start ; $char <= $char_end ; $char++) {
+ printf(CHEADER " 0x%08X, /*0x%08X*/ /*U\+%06X*/ /*U\+%06X*/ /*%s*/\n",
+ $table_sp[$char][0],
+ $table_sp[$char][1],
+ $table_sp[$char][2],
+ $table_sp[$char][3],
+ $table_sp[$char][4]
+ );
+ }
+ printf(CHEADER "\}\;\n");
+ printf(CHEADER "\n");
+
+ printf(CSOURCE " if \( val \>\= 0x%08X \&\& val \<\= 0x%08X)\n",
+ $table_sp[$char_start][1], $table_sp[$char_end][1]);
+ printf(CSOURCE " return %s\_table\_sp\_%d\[val-0x%08X\]\;\n",
+ $_[0], $table_no, $table_sp[$char_start][1]);
+ printf(CSOURCE "\n");
+
+ $table_no++;
+ }
+ }
+
+ printf(CSOURCE "\treturn \(val\)\;\n");
+ printf(CSOURCE "\}\n");
+ printf(CSOURCE "\n");
+}
+
+# EOF
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