--- /dev/null
+// $Id: listparser.hc,v 1.5 2005/04/24 20:23:11 ensc Exp $ --*- c -*--
+
+// Copyright (C) 2004 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
+//
+// 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; version 2 of the License.
+//
+// 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.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+
+#define TONUMBER_uint64(S,E,B) strtoll(S,E,B)
+#define TONUMBER_uint32(S,E,B) strtol (S,E,B)
+
+#define ISNUMBER(TYPE,SHORT) \
+ static inline ALWAYSINLINE bool \
+ isNumber_##SHORT(char const **str,size_t *len,TYPE *res,char end_chr) \
+ { \
+ char *err_ptr; \
+ if (**str=='^') { \
+ *res = ((TYPE)(1)) << TONUMBER_##SHORT(++*str, &err_ptr, 0); \
+ if (len) --*len; \
+ } \
+ else \
+ *res = TONUMBER_##SHORT(*str, &err_ptr, 0); \
+ return err_ptr>*str && *err_ptr==end_chr; \
+ }
+
+
+#define LISTPARSER(TYPE,SHORT) \
+ ISNUMBER(TYPE,SHORT) \
+ int \
+ utilvserver_listparser_ ## SHORT(char const *str, size_t len, \
+ char const **err_ptr, \
+ size_t *err_len, \
+ TYPE * const flag, \
+ TYPE * const mask, \
+ TYPE (*func)(char const *, \
+ size_t, bool *)) \
+ { \
+ if (len==0) len = strlen(str); \
+ for (;len>0;) { \
+ char const *ptr = strchr(str, ','); \
+ size_t cnt; \
+ TYPE tmp = 0; \
+ bool is_neg = false; \
+ bool failed = false; \
+ \
+ while (mask!=0 && len>0 && (*str=='!' || *str=='~')) { \
+ is_neg = !is_neg; \
+ ++str; \
+ --len; \
+ } \
+ \
+ cnt = ptr ? (size_t)(ptr-str) : len; \
+ if (cnt>=len) { cnt=len; len=0; } \
+ else len-=(cnt+1); \
+ \
+ if (cnt==0) \
+ failed = true; \
+ else if (mask!=0 && \
+ (strncasecmp(str,"all",cnt)==0 || \
+ strncasecmp(str,"any",cnt)==0)) \
+ tmp = ~(TYPE)(0); \
+ else if (mask!=0 && strncasecmp(str,"none",cnt)==0) {} \
+ else if (!isNumber_##SHORT(&str, &cnt, &tmp, str[cnt])) \
+ tmp = (*func)(str,cnt, &failed); \
+ \
+ if (!failed) { \
+ if (!is_neg) *flag |= tmp; \
+ else *flag &= ~tmp; \
+ if (mask!=0) *mask |= tmp; \
+ } \
+ else { \
+ if (err_ptr) *err_ptr = str; \
+ if (err_len) *err_len = cnt; \
+ return -1; \
+ } \
+ \
+ if (ptr==0) break; \
+ str = ptr+1; \
+ } \
+ \
+ if (err_ptr) *err_ptr = 0; \
+ if (err_len) *err_len = 0; \
+ return 0; \
+ }
git://git.onelab.eu / util-vserver.git / blobdiff