osmith
/
wireshark
forked from osmocom/wireshark
1
0
Fork 0
Code Pull Requests Releases Wiki Activity

Add some "helper" macros to: 

Provide the capability to define a list of value_strings once and
     then to expand the list as an enum and/or as a value_string array.


svn path=/trunk/; revision=53487
This commit is contained in:
Bill Meier 2013-11-21 19:11:47 +00:00
parent a36046c784
commit 82f7344f45
1 changed files with 66 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
epan/value_string.h
View File

@ -35,6 +35,72 @@ typedef struct _value_string {
const gchar *strptr;
} value_string;
#if 0
/*--- VALUE_STRING "Helper" macros */
/* Essentially: Provide the capability to define a list of value_strings once and
then to expand the list as an enum and/or as a value_string array. */
/* Usage: */
/*- define list of value strings -*/
#define foo_VALUE_STRING_LIST(XXX) \
XXX( foo_a, 1, "aaa" ) \
XXX( foo_b, 3, "bbb" )
/*- gen enum -*/
VALUE_STRING_ENUM(foo); /* gen's 'enum {foo_a=1, foo_b=3};' */
/*- gen value_string array -*/
/* local */
VALUE_STRING_ARRAY(foo); /* gen's 'static const value_string foo[] = {{1,"aaa"}, {3,"bbb"}}; */
/* global */
VALUE_STRING_ARRAY_GLOBAL_DEF(foo); /* gen's 'const value_string foo[] = {{1,"aaa"}, {3,"bbb"}}; */
VALUE_STRING_ARRAY_GLOBAL_DCL(foo); /* gen's 'const value_string foo[]; */
/* Alternatively: */
#define bar_VALUE_STRING_LIST(XXX) \
XXX( bar_a, 1) \
XXX( bar_b, 3)
VALUE_STRING_ENUM2(bar); /* gen's 'enum {bar_a=1, bar_b=3};' */
VALUE_STRING_ARRAY2(bar); /* gen's 'static const value_string bar[] = {{1,"bar_a"}, {3,"bar_b"}}; */
...
#endif
/* -- Public -- */
#define VALUE_STRING_ENUM( array_name) _VS_ENUM_XXX( array_name, _VS_ENUM_ENTRY)
#define VALUE_STRING_ARRAY( array_name) _VS_ARRAY_XXX(array_name, _VS_ARRAY_ENTRY, static)
#define VALUE_STRING_ARRAY_GLOBAL_DEF( array_name) _VS_ARRAY_XXX(array_name, _VS_ARRAY_ENTRY, )
#define VALUE_STRING_ARRAY_GLOBAL_DCL( array_name) _VS_ARRAY_SC_TYPE_NAME(array_name, extern)
#define VALUE_STRING_ENUM2( array_name) _VS_ENUM_XXX( array_name, _VS_ENUM_ENTRY2)
#define VALUE_STRING_ARRAY2( array_name) _VS_ARRAY_XXX(array_name, _VS_ARRAY_ENTRY2, static)
#define VALUE_STRING_ARRAY2_GLOBAL_DEF( array_name) _VS_ARRAY_XXX(array_name, _VS_ARRAY_ENTRY2, )
#define VALUE_STRING_ARRAY2_GLOBAL_DCL( array_name) _VS_ARRAY_SC_TYPE_NAME(array_name, extern)
/* -- Private -- */
#define _VS_ENUM_XXX(array_name, macro) \
enum { \
array_name##_VALUE_STRING_LIST(macro) \
}
#define _VS_ARRAY_XXX(array_name, macro, sc) \
_VS_ARRAY_SC_TYPE_NAME(array_name, sc) = { \
array_name##_VALUE_STRING_LIST(macro) \
{ 0, NULL } \
}
#define _VS_ARRAY_SC_TYPE_NAME(array_name, sc) sc const value_string array_name[]
#define _VS_ENUM_ENTRY( name, value, string) name = value,
#define _VS_ARRAY_ENTRY(name, value, string) { value, string },
#define _VS_ENUM_ENTRY2( name, value) name = value,
#define _VS_ARRAY_ENTRY2(name, value) { value, #name },
/* ----- ----- */
WS_DLL_PUBLIC
const gchar *
val_to_str(const guint32 val, const value_string *vs, const char *fmt);