PATCH: [[:ascii:]]

[Clint Adams <clint@xxxxxxx>]

This adds the [:ascii:] class.

Index: Doc/Zsh/expn.yo
===================================================================
RCS file: /cvsroot/zsh/zsh/Doc/Zsh/expn.yo,v
retrieving revision 1.37
diff -u -r1.37 expn.yo
--- Doc/Zsh/expn.yo	2001/08/25 17:11:00	1.37
+++ Doc/Zsh/expn.yo	2001/09/09 04:20:05
@@ -1178,6 +1178,7 @@
 There are also several named classes of characters, in the form
 `tt([:)var(name)tt(:])' with the following meanings:  `tt([:alnum:])'
 alphanumeric, `tt([:alpha:])' alphabetic,
+`tt([:ascii:])' 7-bit,
 `tt([:blank:])' space or tab,
 `tt([:cntrl:])' control character, `tt([:digit:])' decimal
 digit, `tt([:graph:])' printable character except whitespace,
Index: Src/pattern.c
===================================================================
RCS file: /cvsroot/zsh/zsh/Src/pattern.c,v
retrieving revision 1.9
diff -u -r1.9 pattern.c
--- Src/pattern.c	2001/02/18 00:58:08	1.9
+++ Src/pattern.c	2001/09/09 04:20:07
@@ -158,18 +158,19 @@
  */
 #define PP_ALPHA  1
 #define PP_ALNUM  2
-#define PP_BLANK  3
-#define PP_CNTRL  4
-#define PP_DIGIT  5
-#define PP_GRAPH  6
-#define PP_LOWER  7
-#define PP_PRINT  8
-#define PP_PUNCT  9
-#define PP_SPACE  10
-#define PP_UPPER  11
-#define PP_XDIGIT 12
-#define PP_UNKWN  13
-#define PP_RANGE  14
+#define PP_ASCII  3
+#define PP_BLANK  4
+#define PP_CNTRL  5
+#define PP_DIGIT  6
+#define PP_GRAPH  7
+#define PP_LOWER  8
+#define PP_PRINT  9
+#define PP_PUNCT  10
+#define PP_SPACE  11
+#define PP_UPPER  12
+#define PP_XDIGIT 13
+#define PP_UNKWN  14
+#define PP_RANGE  15
 
 #define	P_OP(p)		((p)->l & 0xff)
 #define	P_NEXT(p)	((p)->l >> 8)
@@ -928,6 +929,8 @@
 			    ch = PP_ALPHA;
 			else if (!strncmp(patparse, "alnum", len))
 			    ch = PP_ALNUM;
+			else if (!strncmp(patparse, "ascii", len))
+			    ch = PP_ASCII;
 			else if (!strncmp(patparse, "blank", len))
 			    ch = PP_BLANK;
 			else if (!strncmp(patparse, "cntrl", len))
@@ -2185,6 +2188,10 @@
 		break;
 	    case PP_ALNUM:
 		if (isalnum(ch))
+		    return 1;
+		break;
+	    case PP_ASCII:
+		if ((ch & ~0x7f) == 0)
 		    return 1;
 		break;
 	    case PP_BLANK: