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shared: add NM_UTILS_STRING_TABLE_LOOKUP_DEFINE() macro to simplify defining string lookup functions

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This commit is contained in:
Thomas Haller 2020-01-08 15:26:25 +01:00
parent 9153e7912f
commit f4fa003434
1 changed files with 50 additions and 0 deletions
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50
shared/nm-glib-aux/nm-shared-utils.h
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@ -1537,6 +1537,56 @@ guint8 *nm_utils_hexstr2bin_alloc (const char *hexstr,
/*****************************************************************************/
#define _NM_UTILS_STRING_TABLE_LOOKUP_DEFINE(scope, fcn_name, result_type, unknown_val, ...) \
scope result_type \
fcn_name (const char *name) \
{ \
static const struct { \
const char *name; \
result_type value; \
} LIST[] = { \
__VA_ARGS__ \
}; \
gssize idx; \
\
nm_assert (name); \
\
if (NM_MORE_ASSERTS > 5) { \
static gboolean checked = FALSE; \
int i; \
\
G_STATIC_ASSERT (G_N_ELEMENTS (LIST) > 1); \
\
if (!checked) { \
checked = TRUE; \
\
for (i = 0; i < G_N_ELEMENTS (LIST); i++) { \
nm_assert (LIST[i].name); \
if (i > 0) \
nm_assert (strcmp (LIST[i - 1].name, LIST[i].name) < 0); \
} \
} \
} \
\
idx = nm_utils_array_find_binary_search (LIST, \
sizeof (LIST[0]), \
G_N_ELEMENTS (LIST), \
&name, \
nm_strcmp_p_with_data, \
NULL); \
if (idx >= 0) \
return LIST[idx].value; \
\
{ unknown_val; } \
}
#define NM_UTILS_STRING_TABLE_LOOKUP_DEFINE(fcn_name, lookup_type, unknown_val, ...) \
_NM_UTILS_STRING_TABLE_LOOKUP_DEFINE (, fcn_name, lookup_type, unknown_val, __VA_ARGS__)
#define NM_UTILS_STRING_TABLE_LOOKUP_DEFINE_STATIC(fcn_name, lookup_type, unknown_val, ...) \
_NM_UTILS_STRING_TABLE_LOOKUP_DEFINE (static, fcn_name, lookup_type, unknown_val, __VA_ARGS__)
/*****************************************************************************/
static inline GTask *
nm_g_task_new (gpointer source_object,
GCancellable *cancellable,