#undef NDEBUG
[util-vserver.git] / util-vserver / lib / listparser.hc
index 2895be5..bc35153 100644 (file)
 
 #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,                \
   {                                                                    \
     if (len==0) len = strlen(str);                                     \
     for (;len>0;) {                                                    \
-      char const               *ptr = strchr(str, ',');                \
-      size_t           cnt  = ptr ? (size_t)(ptr-str) : len;           \
-      TYPE             tmp;                                            \
-      bool             is_neg;                                         \
-                                                                       \
-      is_neg = len>1 && (*str=='!' || *str=='~');                      \
-      if (is_neg) {                                                    \
+      char const       *ptr = strchr(str, ',');                        \
+      size_t           cnt;                                            \
+      TYPE             tmp = 0;                                        \
+      bool             is_neg     = false;                             \
+      bool             allow_zero = true;                              \
+                                                                       \
+      while (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);                                               \
                                                                        \
-      tmp = (*func)(str,cnt);                                          \
+      if (cnt==0)                                                      \
+       allow_zero = false;                                             \
+      else if (strncasecmp(str,"all",cnt)==0 ||                                \
+              strncasecmp(str,"any",cnt)==0)                           \
+       tmp = ~(TYPE)(0);                                               \
+      else if (strncasecmp(str,"none",cnt)==0) {}                      \
+      else if (!isNumber_##SHORT(&str, &cnt, &tmp, str[cnt])) {                \
+       tmp        = (*func)(str,cnt);                                  \
+       allow_zero = false;                                             \
+      }                                                                        \
                                                                        \
-      if (tmp!=0) {                                                    \
-       if (!is_neg) *flag |= tmp;                                      \
+      if (tmp!=0 || allow_zero) {                                      \
+       if (!is_neg) *flag |=  tmp;                                     \
+       else         *flag &= ~tmp;                                     \
        *mask |= tmp;                                                   \
       }                                                                        \
       else {                                                           \