diff options
Diffstat (limited to 'libraries/eina/src/examples/eina_hash_08.c')
-rw-r--r-- | libraries/eina/src/examples/eina_hash_08.c | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/libraries/eina/src/examples/eina_hash_08.c b/libraries/eina/src/examples/eina_hash_08.c deleted file mode 100644 index ed45f7f..0000000 --- a/libraries/eina/src/examples/eina_hash_08.c +++ /dev/null | |||
@@ -1,128 +0,0 @@ | |||
1 | //Compile with: | ||
2 | //gcc -g eina_hash_08.c -o eina_hash_08 `pkg-config --cflags --libs eina` | ||
3 | |||
4 | #include <stdio.h> | ||
5 | #include <string.h> | ||
6 | #include <Eina.h> | ||
7 | |||
8 | /* | ||
9 | * Eina Hash - phonebook | ||
10 | * | ||
11 | * This example demonstrate the use of Eina Hash by implementing a phonebook | ||
12 | * that stores its contact data into the hash. | ||
13 | * | ||
14 | * It indexes the phone numbers by Contact Full Name, so it's a hash with | ||
15 | * string keys. | ||
16 | */ | ||
17 | |||
18 | struct _Phone_Entry { | ||
19 | const char *name; // Full name. | ||
20 | const char *number; // Phone number. | ||
21 | }; | ||
22 | |||
23 | typedef struct _Phone_Entry Phone_Entry; | ||
24 | |||
25 | static Phone_Entry _start_entries[] = { | ||
26 | { "Wolfgang Amadeus Mozart", "+01 23 456-78910" }, | ||
27 | { "Ludwig van Beethoven", "+12 34 567-89101" }, | ||
28 | { "Richard Georg Strauss", "+23 45 678-91012" }, | ||
29 | { "Heitor Villa-Lobos", "+34 56 789-10123" }, | ||
30 | { NULL, NULL } | ||
31 | }; // _start_entries | ||
32 | |||
33 | static void | ||
34 | _phone_entry_free_cb(void *data) | ||
35 | { | ||
36 | free(data); | ||
37 | } | ||
38 | |||
39 | static Eina_Bool | ||
40 | _phone_book_foreach_cb(const Eina_Hash *phone_book, const void *key, | ||
41 | void *data, void *fdata) | ||
42 | { | ||
43 | const char *name = key; | ||
44 | const char *number = data; | ||
45 | printf("%s: %s\n", name, number); | ||
46 | |||
47 | // Return EINA_FALSE to stop this callback from being called | ||
48 | return EINA_TRUE; | ||
49 | } | ||
50 | |||
51 | int | ||
52 | main(int argc, const char *argv[]) | ||
53 | { | ||
54 | Eina_Hash *phone_book = NULL; | ||
55 | int i; | ||
56 | const char *entry_name = "Heitor Villa-Lobos"; | ||
57 | int entry_size; | ||
58 | const char *saved_entry_name = "Alceu Valenca"; | ||
59 | int saved_entry_size = sizeof("Alceu Valenca"); | ||
60 | const char *phone = NULL; | ||
61 | Eina_Bool r; | ||
62 | Eina_Iterator *it; | ||
63 | void *data; | ||
64 | |||
65 | eina_init(); | ||
66 | |||
67 | phone_book = eina_hash_string_superfast_new(_phone_entry_free_cb); | ||
68 | |||
69 | // Add initial entries to our hash | ||
70 | for (i = 0; _start_entries[i].name != NULL; i++) | ||
71 | { | ||
72 | eina_hash_add(phone_book, _start_entries[i].name, | ||
73 | strdup(_start_entries[i].number)); | ||
74 | } | ||
75 | |||
76 | // Delete entries | ||
77 | r = eina_hash_del(phone_book, entry_name, NULL); | ||
78 | printf("Hash entry successfully deleted? %d\n\n", r); | ||
79 | |||
80 | int hash = eina_hash_superfast("Ludwig van Beethoven", | ||
81 | sizeof("Ludwig van Beethoven")); | ||
82 | |||
83 | r = eina_hash_del_by_key_hash(phone_book, "Ludwig van Beethoven", | ||
84 | sizeof("Ludwig van Beethoven"), hash); | ||
85 | printf("Hash entry successfully deleted? %d\n\n", r); | ||
86 | |||
87 | r = eina_hash_del_by_key(phone_book, "Richard Georg Strauss"); | ||
88 | printf("Hash entry successfully deleted? %d\n\n", r); | ||
89 | |||
90 | // add entry by hash | ||
91 | entry_name = "Raul_Seixas"; | ||
92 | entry_size = sizeof("Raul Seixas"); | ||
93 | phone = strdup("+33 33 333-33333"); | ||
94 | hash = eina_hash_superfast(entry_name, entry_size); | ||
95 | eina_hash_add_by_hash(phone_book, entry_name, entry_size, hash, phone); | ||
96 | |||
97 | // don't need to free 'phone' after the next del: | ||
98 | r = eina_hash_del_by_data(phone_book, phone); | ||
99 | printf("Hash entry successfully deleted? %d\n\n", r); | ||
100 | |||
101 | // add entry by hash directly - no copy of the key will be done | ||
102 | hash = eina_hash_superfast(saved_entry_name, saved_entry_size); | ||
103 | phone = strdup("+44 44 444-44444"); | ||
104 | eina_hash_direct_add_by_hash(phone_book, saved_entry_name, | ||
105 | saved_entry_size, hash, phone); | ||
106 | |||
107 | // find the added entry by its hash: | ||
108 | phone = eina_hash_find_by_hash(phone_book, saved_entry_name, | ||
109 | saved_entry_size, hash); | ||
110 | if (phone) | ||
111 | { | ||
112 | char *newphone = strdup("+55 55 555-55555"); | ||
113 | phone = eina_hash_modify_by_hash(phone_book, saved_entry_name, | ||
114 | saved_entry_size, hash, newphone); | ||
115 | if (phone) | ||
116 | printf("changing phone to %s, old one was %s\n", newphone, phone); | ||
117 | else | ||
118 | printf("couldn't modify entry identified by %d\n", hash); | ||
119 | } | ||
120 | else | ||
121 | { | ||
122 | printf("couldn't find entry identified by %d\n", hash); | ||
123 | } | ||
124 | |||
125 | eina_hash_free(phone_book); | ||
126 | |||
127 | eina_shutdown(); | ||
128 | } | ||