Merge "astobj2: Create case-insensitive variants of container function macros."
This commit is contained in:
commit
9efcaf5eb0
|
@ -1985,14 +1985,16 @@ void ao2_iterator_cleanup(struct ao2_iterator *iter);
|
|||
int ao2_iterator_count(struct ao2_iterator *iter);
|
||||
|
||||
/*!
|
||||
* \brief Creates a hash function for a structure string field.
|
||||
* \brief Creates a hash function for a structure field.
|
||||
* \param stype The structure type
|
||||
* \param field The string field in the structure to hash
|
||||
* \param hash_fn Function which hashes the field
|
||||
*
|
||||
* AO2_STRING_FIELD_HASH_CB(mystruct, myfield) will produce a function
|
||||
* named mystruct_hash_fn which hashes mystruct->myfield.
|
||||
* AO2_FIELD_HASH_FN(mystruct, myfield, ast_str_hash) will
|
||||
* produce a function named mystruct_hash_fn which hashes
|
||||
* mystruct->myfield with ast_str_hash.
|
||||
*/
|
||||
#define AO2_STRING_FIELD_HASH_FN(stype, field) \
|
||||
#define AO2_FIELD_HASH_FN(stype, field, hash_fn) \
|
||||
static int stype ## _hash_fn(const void *obj, const int flags) \
|
||||
{ \
|
||||
const struct stype *object = obj; \
|
||||
|
@ -2008,19 +2010,33 @@ static int stype ## _hash_fn(const void *obj, const int flags) \
|
|||
ast_assert(0); \
|
||||
return 0; \
|
||||
} \
|
||||
return ast_str_hash(key); \
|
||||
return hash_fn(key); \
|
||||
}
|
||||
|
||||
|
||||
#define AO2_FIELD_TRANSFORM_CMP_FN(cmp) ((cmp) ? 0 : CMP_MATCH)
|
||||
#define AO2_FIELD_TRANSFORM_SORT_FN(cmp) (cmp)
|
||||
|
||||
/*!
|
||||
* \internal
|
||||
*
|
||||
* \brief Creates a compare function for a structure string field.
|
||||
* \param stype The structure type
|
||||
* \param fn_suffix Function name suffix
|
||||
* \param field The string field in the structure to compare
|
||||
* \param key_cmp Key comparison function like strcmp
|
||||
* \param partial_key_cmp Partial key comparison function like strncmp
|
||||
* \param transform A macro that takes the cmp result as an argument
|
||||
* and transforms it to a return value.
|
||||
*
|
||||
* AO2_STRING_FIELD_CMP_FN(mystruct, myfield) will produce a function
|
||||
* named mystruct_cmp_fn which compares mystruct->myfield.
|
||||
* Do not use this macro directly, instead use macro's starting with
|
||||
* AST_STRING_FIELD.
|
||||
*
|
||||
* \warning The macro is an internal implementation detail, the API
|
||||
* may change at any time.
|
||||
*/
|
||||
#define AO2_STRING_FIELD_CMP_FN(stype, field) \
|
||||
static int stype ## _cmp_fn(void *obj, void *arg, int flags) \
|
||||
#define AO2_FIELD_CMP_FN(stype, fn_suffix, field, key_cmp, partial_key_cmp, transform, argconst) \
|
||||
static int stype ## fn_suffix(argconst void *obj, argconst void *arg, int flags) \
|
||||
{ \
|
||||
const struct stype *object_left = obj, *object_right = arg; \
|
||||
const char *right_key = arg; \
|
||||
|
@ -2029,21 +2045,50 @@ static int stype ## _cmp_fn(void *obj, void *arg, int flags) \
|
|||
case OBJ_SEARCH_OBJECT: \
|
||||
right_key = object_right->field; \
|
||||
case OBJ_SEARCH_KEY: \
|
||||
cmp = strcmp(object_left->field, right_key); \
|
||||
cmp = key_cmp(object_left->field, right_key); \
|
||||
break; \
|
||||
case OBJ_SEARCH_PARTIAL_KEY: \
|
||||
cmp = strncmp(object_left->field, right_key, strlen(right_key)); \
|
||||
cmp = partial_key_cmp(object_left->field, right_key, strlen(right_key)); \
|
||||
break; \
|
||||
default: \
|
||||
cmp = 0; \
|
||||
break; \
|
||||
} \
|
||||
if (cmp) { \
|
||||
return 0; \
|
||||
} \
|
||||
return CMP_MATCH; \
|
||||
return transform(cmp); \
|
||||
}
|
||||
|
||||
/*!
|
||||
* \brief Creates a hash function for a structure string field.
|
||||
* \param stype The structure type
|
||||
* \param field The string field in the structure to hash
|
||||
*
|
||||
* AO2_STRING_FIELD_HASH_FN(mystruct, myfield) will produce a function
|
||||
* named mystruct_hash_fn which hashes mystruct->myfield.
|
||||
*
|
||||
* AO2_STRING_FIELD_HASH_FN(mystruct, myfield) would do the same except
|
||||
* it uses the hash function which ignores case.
|
||||
*/
|
||||
#define AO2_STRING_FIELD_HASH_FN(stype, field) \
|
||||
AO2_FIELD_HASH_FN(stype, field, ast_str_hash)
|
||||
#define AO2_STRING_FIELD_CASE_HASH_FN(stype, field) \
|
||||
AO2_FIELD_HASH_FN(stype, field, ast_str_case_hash)
|
||||
|
||||
/*!
|
||||
* \brief Creates a compare function for a structure string field.
|
||||
* \param stype The structure type
|
||||
* \param field The string field in the structure to compare
|
||||
*
|
||||
* AO2_STRING_FIELD_CMP_FN(mystruct, myfield) will produce a function
|
||||
* named mystruct_cmp_fn which compares mystruct->myfield.
|
||||
*
|
||||
* AO2_STRING_FIELD_CASE_CMP_FN(mystruct, myfield) would do the same
|
||||
* except it performs case insensitive comparisons.
|
||||
*/
|
||||
#define AO2_STRING_FIELD_CMP_FN(stype, field) \
|
||||
AO2_FIELD_CMP_FN(stype, _cmp_fn, field, strcmp, strncmp, AO2_FIELD_TRANSFORM_CMP_FN,)
|
||||
#define AO2_STRING_FIELD_CASE_CMP_FN(stype, field) \
|
||||
AO2_FIELD_CMP_FN(stype, _cmp_fn, field, strcasecmp, strncasecmp, AO2_FIELD_TRANSFORM_CMP_FN,)
|
||||
|
||||
/*!
|
||||
* \brief Creates a sort function for a structure string field.
|
||||
* \param stype The structure type
|
||||
|
@ -2051,30 +2096,13 @@ static int stype ## _cmp_fn(void *obj, void *arg, int flags) \
|
|||
*
|
||||
* AO2_STRING_FIELD_SORT_FN(mystruct, myfield) will produce a function
|
||||
* named mystruct_sort_fn which compares mystruct->myfield.
|
||||
*
|
||||
* AO2_STRING_FIELD_CASE_SORT_FN(mystruct, myfield) would do the same
|
||||
* except it performs case insensitive comparisons.
|
||||
*/
|
||||
#define AO2_STRING_FIELD_SORT_FN(stype, field) \
|
||||
static int stype ## _sort_fn(const void *obj, const void *arg, int flags) \
|
||||
{ \
|
||||
const struct stype *object_left = obj; \
|
||||
const struct stype *object_right = arg; \
|
||||
const char *right_key = arg; \
|
||||
int cmp; \
|
||||
\
|
||||
switch (flags & OBJ_SEARCH_MASK) { \
|
||||
case OBJ_SEARCH_OBJECT: \
|
||||
right_key = object_right->field; \
|
||||
/* Fall through */ \
|
||||
case OBJ_SEARCH_KEY: \
|
||||
cmp = strcmp(object_left->field, right_key); \
|
||||
break; \
|
||||
case OBJ_SEARCH_PARTIAL_KEY: \
|
||||
cmp = strncmp(object_left->field, right_key, strlen(right_key)); \
|
||||
break; \
|
||||
default: \
|
||||
cmp = 0; \
|
||||
break; \
|
||||
} \
|
||||
return cmp; \
|
||||
}
|
||||
AO2_FIELD_CMP_FN(stype, _sort_fn, field, strcmp, strncmp, AO2_FIELD_TRANSFORM_SORT_FN, const)
|
||||
#define AO2_STRING_FIELD_CASE_SORT_FN(stype, field) \
|
||||
AO2_FIELD_CMP_FN(stype, _sort_fn, field, strcasecmp, strncasecmp, AO2_FIELD_TRANSFORM_SORT_FN, const)
|
||||
|
||||
#endif /* _ASTERISK_ASTOBJ2_H */
|
||||
|
|
Loading…
Reference in New Issue