[Emacs-diffs] Changes to admin/charsets/compact.awk

[Miles Bader]

CVSROOT:        /cvsroot/emacs
Module name:    emacs
Changes by:     Miles Bader <miles>     08/02/01 16:01:31

Index: admin/charsets/compact.awk
===================================================================
RCS file: admin/charsets/compact.awk
diff -N admin/charsets/compact.awk
--- /dev/null   1 Jan 1970 00:00:00 -0000
+++ admin/charsets/compact.awk  1 Feb 2008 16:01:00 -0000       1.2
@@ -0,0 +1,125 @@
+# compact.awk -- Make charset map compact.
+# Copyright (C) 2003
+#   National Institute of Advanced Industrial Science and Technology (AIST)
+#   Registration Number H13PRO009
+#
+# This file is part of GNU Emacs.
+#
+# GNU Emacs 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, or (at your option)
+# any later version.
+#
+# GNU Emacs 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.
+#
+# You should have received a copy of the GNU General Public License
+# along with GNU Emacs; see the file COPYING.  If not, write to the
+# Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+
+# Comment:
+# Make a charset map compact by changing this kind of line sequence:
+#   0x00 0x0000
+#   0x01 0x0001
+#   ...
+#   0x7F 0x007F
+# to one line of this format:
+#   0x00-0x7F 0x0000
+
+BEGIN {
+  tohex["0"] = 1;
+  tohex["1"] = 2;
+  tohex["2"] = 3;
+  tohex["3"] = 4;
+  tohex["4"] = 5;
+  tohex["5"] = 6;
+  tohex["6"] = 7;
+  tohex["7"] = 8;
+  tohex["8"] = 9;
+  tohex["9"] = 10;
+  tohex["A"] = 11;
+  tohex["B"] = 12;
+  tohex["C"] = 13;
+  tohex["D"] = 14;
+  tohex["E"] = 15;
+  tohex["F"] = 16;
+  tohex["a"] = 11;
+  tohex["b"] = 12;
+  tohex["c"] = 13;
+  tohex["d"] = 14;
+  tohex["e"] = 15;
+  tohex["f"] = 16;
+  from_code = 0;
+  to_code = -1;
+  to_unicode = 0;
+  from_unicode = 0;
+}
+
+function decode_hex(str, idx) {
+  n = 0;
+  len = length(str);
+  for (i = idx; i <= len; i++)
+    {
+      c = tohex[substr (str, i, 1)];
+      if (c == 0)
+       break;
+      n = n * 16 + c - 1;
+    }
+  return n;
+}
+
+/^\#/ {
+  print;
+  next;
+}
+
+{
+  code = decode_hex($1, 3);
+  unicode = decode_hex($2, 3);
+  if ((code == to_code + 1) && (unicode == to_unicode + 1))
+    {
+      to_code++;
+      to_unicode++;
+    }
+  else
+    {
+      if (to_code < 256)
+       {
+         if (from_code == to_code)
+           printf "0x%02X 0x%04X\n", from_code, from_unicode;
+         else if (from_code < to_code)
+           printf "0x%02X-0x%02X 0x%04X\n", from_code, to_code, from_unicode;
+       }
+      else
+       {
+         if (from_code == to_code)
+           printf "0x%04X 0x%04X\n", from_code, from_unicode;
+         else if (from_code < to_code)
+           printf "0x%04X-0x%04X 0x%04X\n", from_code, to_code, from_unicode;
+       }
+      from_code = to_code = code;
+      from_unicode = to_unicode = unicode;
+    }
+}
+
+END {
+  if (to_code < 256)
+    {
+      if (from_code == to_code)
+       printf "0x%02X 0x%04X\n", from_code, from_unicode;
+      else
+       printf "0x%02X-0x%02X 0x%04X\n", from_code, to_code, from_unicode;
+    }
+  else
+    {
+      if (from_code == to_code)
+       printf "0x%04X 0x%04X\n", from_code, from_unicode;
+      else
+       printf "0x%04X-0x%04X 0x%04X\n", from_code, to_code, from_unicode;
+    }
+}
+
+# arch-tag: 7e6f57c3-8e62-4af3-8916-ca67bca3a0ce