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#include "map.h"
Map*
map_new(int i_max_size) {
return (map_new_named(i_max_size, "noname"));
}
Map*
map_new_named(int i_max_size, char *c_name) {
Map *p_map = malloc(sizeof(Map));
p_map->c_name = c_name;
p_map->pc_keys = calloc(i_max_size, sizeof(char*));
p_map->pp_vals = calloc(i_max_size, sizeof(void*));
for (int i = 0; i < i_max_size; ++i) {
p_map->pc_keys[i] = NULL;
p_map->pp_vals[i] = NULL;
}
p_map->i_size = 0;
p_map->i_max_size = i_max_size;
return (p_map);
}
_Bool
map_empty(Map *p_map) {
return (p_map->i_size == 0);
}
_Bool
map_full(Map *p_map) {
return (p_map->i_size == p_map->i_max_size);
}
int
map_next_free_addr(Map *p_map) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] == NULL)
return (i);
ERROR("No free space left in the map (%s)", p_map->c_name);
// This point should not be reached!
return (0);
}
_Bool
map_insert(Map *p_map, char *c_key, void *p_val) {
int i_free_addr = map_next_free_addr(p_map);
int i_len = strlen(c_key);
p_map->pc_keys[i_free_addr] = STR_NEW(i_len+1);
strncpy(p_map->pc_keys[i_free_addr], c_key, i_len);
p_map->pp_vals[i_free_addr] = p_val;
++p_map->i_size;
return (true);
}
_Bool
map_insert2(Map *p_map, char *c_key1, char *c_key2, void *p_val) {
char c_key[HASH_MKEYLEN];
sprintf(c_key, "%s%s%s", c_key1, SEP, c_key2);
return (map_insert(p_map, c_key, p_val));
}
_Bool
map_insert_if_not_exists(Map *p_map, char *c_key, void *p_val) {
void *p_void = map_get(p_map, c_key);
if (p_void)
return (false);
return (map_insert(p_map, c_key, p_val));
return (true);
}
void
map_remove(Map *p_map, char *c_key) {
if (map_empty(p_map))
return;
int i_index = map_get_addr(p_map, c_key);
if (i_index < 0)
return;
free(p_map->pc_keys[i_index]);
p_map->pc_keys[i_index] = NULL;
p_map->pp_vals[i_index] = NULL;
--p_map->i_size;
}
void*
map_get(Map *p_map, char *c_key) {
if (map_empty(p_map))
return (NULL);
int i_index = map_get_addr(p_map, c_key);
return (i_index >= 0 ? p_map->pp_vals[i_index] : NULL);
}
void*
map_get2(Map *p_map, char *c_key1, char *c_key2) {
char c_key[HASH_MKEYLEN];
sprintf(c_key, "%s%s%s", c_key1, SEP, c_key2);
return (map_get(p_map, c_key));
}
_Bool
map_exists(Map *p_map, char *c_key) {
if (map_empty(p_map))
return (false);
int i_index = map_get_addr(p_map, c_key);
return (i_index >= 0 ? true : false);
}
_Bool
map_exists2(Map *p_map, char *c_key1, char *c_key2) {
if (map_empty(p_map))
return (false);
char c_key[HASH_MKEYLEN];
sprintf(c_key, "%s%s%s:", c_key1, SEP, c_key2);
int i_index = map_get_addr(p_map, c_key);
return i_index >= 0 ? true : false;
}
char*
map_get_key(Map *p_map, void *p_val) {
if (map_empty(p_map))
return (NULL);
for (int i = 0; i < p_map->i_max_size; ++i)
if ((unsigned) p_map->pp_vals[i] == (unsigned) p_val)
return (p_map->pc_keys[i]);
return (NULL);
}
int
map_get_addr(Map *p_map, char *c_key) {
if (map_empty(p_map))
return (-1);
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL && strcmp(p_map->pc_keys[i], c_key) == 0)
return (i);
return (-1);
}
void
map_clear(Map *p_map) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL) {
free(p_map->pc_keys[i]);
p_map->pc_keys[i] = NULL;
p_map->pp_vals[i] = NULL;
}
p_map->i_size = 0;
}
void
map_clear_and_free_vals(Map *p_map) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL) {
free(p_map->pc_keys[i]);
if (p_map->pp_vals[i])
free(p_map->pp_vals[i]);
p_map->pc_keys[i] = NULL;
p_map->pp_vals[i] = NULL;
}
p_map->i_size = 0;
}
void
map_delete(Map *p_map) {
map_clear(p_map);
free(p_map);
}
void
map_delete_and_free_vals(Map *p_map) {
map_clear_and_free_vals(p_map);
free(p_map);
}
void
map_print(Map *p_map) {
printf("Map<size=%d, max_size=%d>:",
map_get_size(p_map), map_get_max_size(p_map));
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
printf("(%d,%s)", i, p_map->pc_keys[i]);
puts("");
}
void
map_iterate(Map *p_map, void (*func) (void *)) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
(*func) (p_map->pp_vals[i]);
}
void
map_iterate_keys(Map *p_map, void (*func) (void *, char *)) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
(*func) (p_map->pp_vals[i], p_map->pc_keys[i]);
}
void
map_iterate2(Map *p_map, void (*func) (void *, void *), void *p_void) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
(*func) (p_map->pp_vals[i], p_void);
}
void
map_iterate2_keys(Map *p_map,
void (*func) (void *, void *, char *),
void *p_void) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
(*func) (p_map->pp_vals[i], p_void, p_map->pc_keys[i]);
}
void
map_iterate3(Map *p_map,
void (*func) (void *, void *, void *),
void *p_void1, void *p_void2) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
(*func) (p_map->pp_vals[i], p_void1, p_void2);
}
void
map_iterate3_keys(Map *p_map,
void (*func) (void *, void *, void *, char *),
void *p_void1, void *p_void2) {
for (int i = 0; i < p_map->i_max_size; ++i)
if (p_map->pc_keys[i] != NULL)
(*func) (p_map->pp_vals[i], p_void1, p_void2, p_map->pc_keys[i]);
}
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