#include "common.h"
#include "filter_tokens.h"
#include "hook_tokens.h"
+#include "param_tokens.h"
#include "query.h"
#include "array.h"
typedef filter_token filter_type_t;
typedef hook_token filter_result_t;
+typedef param_token filter_param_id_t;
typedef struct filter_hook_t {
filter_result_t type;
} filter_hook_t;
ARRAY(filter_hook_t)
-typedef struct filter_params_t {
- char *name;
+typedef struct filter_param_t {
+ filter_param_id_t type;
char *value;
-} filter_params_t;
-ARRAY(filter_params_t)
+} filter_param_t;
+ARRAY(filter_param_t)
typedef struct filter_t {
char *name;
A(filter_hook_t) hooks;
void *data;
- A(filter_params_t) params;
+ A(filter_param_t) params;
} filter_t;
ARRAY(filter_t)
#define CHECK_HOOK(Hook) \
assert(Hook != HTK_UNKNOWN && Hook != HTK_count \
&& "Unknown hook")
+#define CHECK_PARAM(Param) \
+ assert(Param != ATK_UNKNOWN && Param != ATK_count \
+ && "Unknown param")
typedef filter_result_t (*filter_runner_t)(const filter_t *filter,
const query_t *query);
__attribute__((nonnull(2)))
filter_result_t filter_hook_register(filter_type_t filter, const char *name);
+__attribute__((nonnull(2)))
+filter_param_id_t filter_param_register(filter_type_t filter, const char *name);
+
__attribute__((nonnull(1)))
static inline void filter_init(filter_t *filter)
{
}
__attribute__((nonnull(1)))
-static inline void filter_params_wipe(filter_params_t *param)
+static inline void filter_params_wipe(filter_param_t *param)
{
- p_delete(¶m->name);
p_delete(¶m->value);
}
void filter_wipe(filter_t *filter);
__attribute__((nonnull(1,2)))
-filter_result_t filter_run(const filter_t *filter, const query_t *query);
+const filter_hook_t *filter_run(const filter_t *filter, const query_t *query);
+
+
+/* Helpers
+ */
+#define FILTER_PARAM_PARSE_STRING(Param, Dest) \
+ case ATK_ ## Param: { \
+ (Dest) = param->value; \
+ } break
+
+#define FILTER_PARAM_PARSE_INT(Param, Dest) \
+ case ATK_ ## Param: { \
+ char *next; \
+ (Dest) = strtol(param->value, &next, 10); \
+ PARSE_CHECK(!*next, "invalid %s value %s", atokens[ATK_ ## Param], \
+ param->value); \
+ } break
+
+#define FILTER_PARAM_PARSE_BOOLEAN(Param, Dest) \
+ case ATK_ ## Param: { \
+ if (param->value[0] == '1' && param->value[1] == '\0') { \
+ (Dest) = true; \
+ } else if (param->value[0] == '0' && param->value[1] == '\0') { \
+ (Dest) = false; \
+ } else if (ascii_tolower(param->value[0]) == 't') { \
+ (Dest) = ascii_tolower(param->value[1]) == 'r' \
+ && ascii_tolower(param->value[2]) == 'u' \
+ && ascii_tolower(param->value[3]) == 'e' \
+ && !param->value[4]; \
+ } else if (ascii_tolower(param->value[0]) == 'f') { \
+ (Dest) = ascii_tolower(param->value[1]) == 'a' \
+ && ascii_tolower(param->value[2]) == 'l' \
+ && ascii_tolower(param->value[3]) == 's' \
+ && ascii_tolower(param->value[4]) == 'e' \
+ && !param->value[5]; \
+ } else { \
+ PARSE_CHECK(false, "invalid %s value %s", atokens[ATK_ ## Param], \
+ param->value); \
+ } \
+ } break
#endif