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/*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 2001 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include "syntax-tree.h"
#include "sttype-set.h"
#include <wsutil/ws_assert.h>
/*
* The GSList stores a list of elements of the set. Each element is represented
* by two list items: (lower, upper) in case of a value range or (value, NULL)
* if the element is not a range value.
*/
static void
slist_stnode_free(void *data)
{
if (data) {
stnode_free(data);
}
}
void
set_nodelist_free(GSList *params)
{
g_slist_free_full(params, slist_stnode_free);
}
static void
sttype_set_free(void *value)
{
/* If the data was not claimed with stnode_steal_data(), free it. */
if (value) {
set_nodelist_free(value);
}
}
static char *
sttype_set_tostr(const void *data, bool pretty)
{
const GSList* nodelist = data;
stnode_t *lower, *upper;
GString *repr = g_string_new("");
while (nodelist) {
lower = nodelist->data;
g_string_append(repr, stnode_tostr(lower, pretty));
/* Set elements are always in pairs; upper may be null. */
nodelist = g_slist_next(nodelist);
ws_assert(nodelist);
upper = nodelist->data;
if (upper != NULL) {
g_string_append(repr, "..");
g_string_append(repr, stnode_tostr(upper, pretty));
}
nodelist = g_slist_next(nodelist);
if (nodelist != NULL) {
g_string_append_c(repr, ' ');
}
}
return g_string_free(repr, false);
}
void
sttype_register_set(void)
{
static sttype_t set_type = {
STTYPE_SET,
"SET",
NULL,
sttype_set_free,
NULL,
sttype_set_tostr
};
sttype_register(&set_type);
}
/*
* Editor modelines - https://www.wireshark.org/tools/modelines.html
*
* Local variables:
* c-basic-offset: 8
* tab-width: 8
* indent-tabs-mode: t
* End:
*
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
* :indentSize=8:tabSize=8:noTabs=false:
*/
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