1 #ifndef __PERF_STRLIST_H
2 #define __PERF_STRLIST_H
3
4 #include <linux/rbtree.h>
5 #include <stdbool.h>
6
7 #include "rblist.h"
8
9 struct str_node {
10 struct rb_node rb_node;
11 const char *s;
12 };
13
14 struct strlist {
15 struct rblist rblist;
16 bool dupstr;
17 };
18
19 struct strlist *strlist__new(bool dupstr, const char *slist);
20 void strlist__delete(struct strlist *slist);
21
22 void strlist__remove(struct strlist *slist, struct str_node *sn);
23 int strlist__load(struct strlist *slist, const char *filename);
24 int strlist__add(struct strlist *slist, const char *str);
25
26 struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx);
27 struct str_node *strlist__find(struct strlist *slist, const char *entry);
28
strlist__has_entry(struct strlist * slist,const char * entry)29 static inline bool strlist__has_entry(struct strlist *slist, const char *entry)
30 {
31 return strlist__find(slist, entry) != NULL;
32 }
33
strlist__empty(const struct strlist * slist)34 static inline bool strlist__empty(const struct strlist *slist)
35 {
36 return rblist__empty(&slist->rblist);
37 }
38
strlist__nr_entries(const struct strlist * slist)39 static inline unsigned int strlist__nr_entries(const struct strlist *slist)
40 {
41 return rblist__nr_entries(&slist->rblist);
42 }
43
44 /* For strlist iteration */
strlist__first(struct strlist * slist)45 static inline struct str_node *strlist__first(struct strlist *slist)
46 {
47 struct rb_node *rn = rb_first(&slist->rblist.entries);
48 return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
49 }
strlist__next(struct str_node * sn)50 static inline struct str_node *strlist__next(struct str_node *sn)
51 {
52 struct rb_node *rn;
53 if (!sn)
54 return NULL;
55 rn = rb_next(&sn->rb_node);
56 return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
57 }
58
59 /**
60 * strlist_for_each - iterate over a strlist
61 * @pos: the &struct str_node to use as a loop cursor.
62 * @slist: the &struct strlist for loop.
63 */
64 #define strlist__for_each(pos, slist) \
65 for (pos = strlist__first(slist); pos; pos = strlist__next(pos))
66
67 /**
68 * strlist_for_each_safe - iterate over a strlist safe against removal of
69 * str_node
70 * @pos: the &struct str_node to use as a loop cursor.
71 * @n: another &struct str_node to use as temporary storage.
72 * @slist: the &struct strlist for loop.
73 */
74 #define strlist__for_each_safe(pos, n, slist) \
75 for (pos = strlist__first(slist), n = strlist__next(pos); pos;\
76 pos = n, n = strlist__next(n))
77
78 int strlist__parse_list(struct strlist *slist, const char *s);
79 #endif /* __PERF_STRLIST_H */
80