132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/* filter_expressions.c
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* Submitted by Edwin Groothuis <wireshark@mavetju.org>
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <glib.h>
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#include <epan/prefs.h>
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#include <epan/uat.h>
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#include <epan/uat-int.h>
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#include "epan/filter_expressions.h"
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/* UAT variables */
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static uat_t *display_filter_macro_uat = NULL;
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static filter_expression_t *display_filter_macros = NULL;
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static guint num_display_filter_macros = 0;
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/* Field callbacks. */
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UAT_BOOL_CB_DEF(display_filter_macro_uat, enabled, filter_expression_t)
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UAT_CSTRING_CB_DEF(display_filter_macro_uat, label, filter_expression_t)
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UAT_DISPLAY_FILTER_CB_DEF(display_filter_macro_uat, expression, filter_expression_t)
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UAT_CSTRING_CB_DEF(display_filter_macro_uat, comment, filter_expression_t)
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/*
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* Create a new filter_expression and add it to the end of the list
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* of filter_expressions.
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*/
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filter_expression_t*
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filter_expression_new(const gchar *label, const gchar *expr,
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const gchar *comment, const gboolean enabled)
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{
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filter_expression_t expression;
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// UAT allocates its own memory and then deep-copies this structure in.
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memset(&expression, 0, sizeof(expression));
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expression.label = (gchar *)label;
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expression.expression = (gchar *)expr;
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expression.comment = (gchar *)comment;
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expression.enabled = enabled;
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/* XXX - This is just returned to make GTK GUI work. */
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return (filter_expression_t*)uat_add_record(display_filter_macro_uat, &expression, TRUE);
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}
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void filter_expression_iterate_expressions(wmem_foreach_func func, void* user_data)
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{
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guint i;
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for (i = 0; i < num_display_filter_macros; i++)
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{
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func(NULL, &display_filter_macros[i], user_data);
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}
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}
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static void display_filter_free_cb(void*r) {
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filter_expression_t* rec = (filter_expression_t*)r;
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g_free(rec->label);
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g_free(rec->expression);
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g_free(rec->comment);
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}
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static void* display_filter_copy_cb(void* n, const void* o, size_t siz _U_) {
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filter_expression_t* new_record = (filter_expression_t*)n;
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const filter_expression_t* old_record = (const filter_expression_t*)o;
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new_record->label = g_strdup(old_record->label);
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new_record->expression = g_strdup(old_record->expression);
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new_record->comment = g_strdup(old_record->comment);
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new_record->enabled = old_record->enabled;
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return new_record;
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}
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static uat_field_t display_filter_uat_flds[] = {
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UAT_FLD_BOOL(display_filter_macro_uat, enabled, "Show in toolbar",
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"Checked to add display filter button to toolbar"),
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UAT_FLD_CSTRING(display_filter_macro_uat, label, "Button Label",
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"Name of the display filter button"),
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UAT_FLD_DISPLAY_FILTER(display_filter_macro_uat, expression, "Filter Expression",
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"Filter expression to be applied by the button"),
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UAT_FLD_CSTRING(display_filter_macro_uat, comment, "Comment",
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"Comment describing filter expression"),
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UAT_END_FIELDS
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};
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void filter_expression_register_uat(module_t* pref_module)
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{
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display_filter_macro_uat = uat_new("Display expressions",
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sizeof(filter_expression_t), /* record size */
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"dfilter_buttons", /* filename */
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TRUE, /* from_profile */
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&display_filter_macros, /* data_ptr */
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&num_display_filter_macros, /* numitems_ptr */
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0, /* Doesn't not explicitly effect dissection */
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NULL, /* help */
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display_filter_copy_cb, /* copy callback */
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NULL, /* update callback */
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display_filter_free_cb, /* free callback */
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NULL, /* post update callback */
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NULL, /* reset callback */
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display_filter_uat_flds); /* UAT field definitions */
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prefs_register_uat_preference(pref_module, "expressions",
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"Display filter expressions",
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"Macros for display filters",
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display_filter_macro_uat);
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}
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/*
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* Editor modelines - https://www.wireshark.org/tools/modelines.html
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*
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* Local variables:
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* c-basic-offset: 8
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* tab-width: 8
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* indent-tabs-mode: t
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* End:
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*
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* vi: set shiftwidth=8 tabstop=8 noexpandtab:
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* :indentSize=8:tabSize=8:noTabs=false:
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*/
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