Add XKB parser and implementation.

* console-client/xkb/Compose: New file.
* console-client/xkb/MISSING-FEATURES: Likewise.
* console-client/xkb/README: Likewise.
* console-client/xkb/TODO: Likewise.
* console-client/xkb/compose.c: Likewise.
* console-client/xkb/default.xkb: Likewise.
* console-client/xkb/keysymdef.h: Likewise.
* console-client/xkb/ks_tables.h: Likewise.
* console-client/xkb/kstoucs.c: Likewise.
* console-client/xkb/lex.l: Likewise.
* console-client/xkb/makeconf.sh: Likewise.
* console-client/xkb/parser.y: Likewise.
* console-client/xkb/symname.c: Likewise.
* console-client/xkb/xkb-data/keymap/hurd: Likewise.
* console-client/xkb/xkb-data/symbols/hurd: Likewise.
* console-client/xkb/xkb-data/types/hurd: Likewise.
* console-client/xkb/xkb.c: Likewise.
* console-client/xkb/xkb.h: Likewise.
* console-client/xkb/xkbdata.c: Likewise.
* console-client/xkb/xkbdefaults.c: Likewise.
* console-client/xkb/xkbtimer.c: Likewise.

1 files changed, 96 insertions, 0 deletions

diff --git a/console-client/xkb/symname.c b/console-client/xkb/symname.c
new file mode 100644
index 00000000..9f219513
--- /dev/null
+++ b/console-client/xkb/symname.c
@@ -0,0 +1,96 @@
+#include <string.h>
+#define NEEDKTABLE
+#include "ks_tables.h"
+#include "keysymdef.h"
+
+#define NoSymbol 0
+
+typedef unsigned long Signature;
+typedef unsigned long KeySym;
+
+KeySym XStringToKeysym(char *s)
+{
+  register int i, n;
+  int h;
+  register Signature sig = 0;
+  register const char *p = s;
+  register int c;
+  register int idx;
+  const unsigned char *entry;
+  unsigned char sig1, sig2;
+  KeySym val;
+
+  while ((c = *p++))
+    sig = (sig << 1) + c;
+  i = sig % KTABLESIZE;
+  h = i + 1;
+  sig1 = (sig >> 8) & 0xff;
+  sig2 = sig & 0xff;
+  n = KMAXHASH;
+  while ((idx = hashString[i]))
+    {
+      entry = &_XkeyTable[idx];
+      if ((entry[0] == sig1) && (entry[1] == sig2) &&
+	  !strcmp(s, (char *)entry + 4))
+        {
+	  val = (entry[2] << 8) | entry[3];
+	  if (!val)
+	    val = XK_VoidSymbol;
+	  return val;
+        }
+      if (!--n)
+	break;
+      i += h;
+      if (i >= KTABLESIZE)
+
+	i -= KTABLESIZE;
+    }
+
+  /*
+
+  The KeysymDB is not yet supported.
+
+  if (!initialized)
+    (void)_XInitKeysymDB();
+  if (keysymdb)
+    {
+      XrmValue result;
+      XrmRepresentation from_type;
+      char c;
+      XrmQuark names[2];
+
+      names[0] = _XrmInternalStringToQuark(s, p - s - 1, sig, False);
+      names[1] = NULLQUARK;
+      (void)XrmQGetResource(keysymdb, names, Qkeysym, &from_type, &result);
+      if (result.addr && (result.size > 1))
+        {
+	  val = 0;
+	  for (i = 0; i < result.size - 1; i++)
+            {
+	      c = ((char *)result.addr)[i];
+	      if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
+	      else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
+	      else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
+	      else return NoSymbol;
+            }
+	  return val;
+        }
+    }
+  */
+
+  if (*s == 'U') {
+    val = 0;
+    for (p = &s[1]; *p; p++) {
+      c = *p;
+      if ('0' <= c && c <= '9') val = (val<<4)+c-'0';
+      else if ('a' <= c && c <= 'f') val = (val<<4)+c-'a'+10;
+      else if ('A' <= c && c <= 'F') val = (val<<4)+c-'A'+10;
+      else return NoSymbol;
+
+    }
+    if (val >= 0x01000000)
+      return NoSymbol;
+    return val | 0x01000000;
+  }
+  return (NoSymbol);
+}