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_config {
20 bool dont_dupstr;
21 const char *dirname;
22 };
23
24 struct strlist *strlist__new(const char *slist, const struct strlist_config *config);
25 void strlist__delete(struct strlist *slist);
26
27 void strlist__remove(struct strlist *slist, struct str_node *sn);
28 int strlist__load(struct strlist *slist, const char *filename);
29 int strlist__add(struct strlist *slist, const char *str);
30
31 struct str_node *strlist__entry(const struct strlist *slist, unsigned int idx);
32 struct str_node *strlist__find(struct strlist *slist, const char *entry);
33
strlist__has_entry(struct strlist * slist,const char * entry)34 static inline bool strlist__has_entry(struct strlist *slist, const char *entry)
35 {
36 return strlist__find(slist, entry) != NULL;
37 }
38
strlist__empty(const struct strlist * slist)39 static inline bool strlist__empty(const struct strlist *slist)
40 {
41 return rblist__empty(&slist->rblist);
42 }
43
strlist__nr_entries(const struct strlist * slist)44 static inline unsigned int strlist__nr_entries(const struct strlist *slist)
45 {
46 return rblist__nr_entries(&slist->rblist);
47 }
48
49 /* For strlist iteration */
strlist__first(struct strlist * slist)50 static inline struct str_node *strlist__first(struct strlist *slist)
51 {
52 struct rb_node *rn = rb_first(&slist->rblist.entries);
53 return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
54 }
strlist__next(struct str_node * sn)55 static inline struct str_node *strlist__next(struct str_node *sn)
56 {
57 struct rb_node *rn;
58 if (!sn)
59 return NULL;
60 rn = rb_next(&sn->rb_node);
61 return rn ? rb_entry(rn, struct str_node, rb_node) : NULL;
62 }
63
64 /**
65 * strlist_for_each - iterate over a strlist
66 * @pos: the &struct str_node to use as a loop cursor.
67 * @slist: the &struct strlist for loop.
68 */
69 #define strlist__for_each(pos, slist) \
70 for (pos = strlist__first(slist); pos; pos = strlist__next(pos))
71
72 /**
73 * strlist_for_each_safe - iterate over a strlist safe against removal of
74 * str_node
75 * @pos: the &struct str_node to use as a loop cursor.
76 * @n: another &struct str_node to use as temporary storage.
77 * @slist: the &struct strlist for loop.
78 */
79 #define strlist__for_each_safe(pos, n, slist) \
80 for (pos = strlist__first(slist), n = strlist__next(pos); pos;\
81 pos = n, n = strlist__next(n))
82 #endif /* __PERF_STRLIST_H */
83