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[Emacs-diffs] Changes to admin/charsets/big5.awk
From: |
Miles Bader |
Subject: |
[Emacs-diffs] Changes to admin/charsets/big5.awk |
Date: |
Fri, 01 Feb 2008 16:04:26 +0000 |
CVSROOT: /cvsroot/emacs
Module name: emacs
Changes by: Miles Bader <miles> 08/02/01 16:01:31
Index: admin/charsets/big5.awk
===================================================================
RCS file: admin/charsets/big5.awk
diff -N admin/charsets/big5.awk
--- /dev/null 1 Jan 1970 00:00:00 -0000
+++ admin/charsets/big5.awk 1 Feb 2008 16:01:00 -0000 1.2
@@ -0,0 +1,54 @@
+BEGIN {
+ tohex["A"] = 10;
+ tohex["B"] = 11;
+ tohex["C"] = 12;
+ tohex["D"] = 13;
+ tohex["E"] = 14;
+ tohex["F"] = 15;
+ tohex["a"] = 10;
+ tohex["b"] = 11;
+ tohex["c"] = 12;
+ tohex["d"] = 13;
+ tohex["e"] = 14;
+ tohex["f"] = 15;
+}
+
+function decode_hex(str) {
+ n = 0;
+ len = length(str);
+ for (i = 1; i <= len; i++)
+ {
+ c = substr (str, i, 1);
+ if (c >= "0" && c <= "9")
+ n = n * 16 + (c - "0");
+ else
+ n = n * 16 + tohex[c];
+ }
+ return n;
+}
+
+function decode_big5(big5) {
+ b0 = int(big5 / 256);
+ b1 = big5 % 256;
+# (0xFF - 0xA1 + 0x7F - 0x40) = 157
+# (0xA1 - (0x7F - 0x40)) = 98
+# (0xC9 - 0xA1) * (0xFF - 0xA1 + 0x7F - 0x40) = 6280
+ if (b1 < 127)
+ idx = (b0 - 161) * 157 + (b1 - 64);
+ else
+ idx = (b0 - 161) * 157 + (b1 - 98);
+ if (b0 >= 201)
+ idx -= 6280;
+ b0 = int(idx / 94) + 33;
+ b1 = (idx % 94) + 33;
+ return (b0 * 256 + b1)
+}
+
+{
+ big5 = decode_hex($1);
+ code = decode_big5(big5);
+ printf "0x%04X %s\n", code, $2;
+}
+
+
+# arch-tag: 36f08d21-0d24-4b67-852d-a9a51299586d
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