wireshark/epan/column.h

140 lines
4.5 KiB
C

/** @file
* Definitions for column handling routines
* Column preference and format settings.
*
* For internal Wireshark useonly. Don't include this header in dissectors!
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __COLUMN_H__
#define __COLUMN_H__
#include "ws_symbol_export.h"
#include <epan/column-utils.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
typedef struct _fmt_data {
gchar *title; /* title of the column */
int fmt; /* format of column */
gchar *custom_fields; /* fields names for COL_CUSTOM */
gint custom_occurrence; /* optional ordinal of occurrence of that field */
bool visible; /* if FALSE, hide this column */
bool resolved; /* if TRUE, show a more human-readable name */
} fmt_data;
WS_DLL_PUBLIC
const gchar *col_format_to_string(const gint);
WS_DLL_PUBLIC
const gchar *col_format_desc(const gint);
WS_DLL_PUBLIC
const gchar *col_format_abbrev(const gint);
WS_DLL_PUBLIC
gint get_column_format(const gint);
WS_DLL_PUBLIC
void set_column_format(const gint, const gint);
WS_DLL_PUBLIC
void get_column_format_matches(gboolean *, const gint);
WS_DLL_PUBLIC
gint get_column_format_from_str(const gchar *);
WS_DLL_PUBLIC
gchar *get_column_title(const gint);
WS_DLL_PUBLIC
void set_column_title(const gint, const gchar *);
WS_DLL_PUBLIC
gboolean get_column_visible(const gint);
WS_DLL_PUBLIC
void set_column_visible(const gint, gboolean);
WS_DLL_PUBLIC
gboolean get_column_resolved(const gint);
WS_DLL_PUBLIC
void set_column_resolved(const gint, gboolean);
WS_DLL_PUBLIC
const gchar *get_column_custom_fields(const gint);
WS_DLL_PUBLIC
void set_column_custom_fields(const gint, const char *);
WS_DLL_PUBLIC
gint get_column_custom_occurrence(const gint);
WS_DLL_PUBLIC
void set_column_custom_occurrence(const gint, const gint);
WS_DLL_PUBLIC
const gchar *get_column_width_string(const gint, const gint);
WS_DLL_PUBLIC
gint get_column_char_width(const gint format);
WS_DLL_PUBLIC
gchar *get_column_tooltip(const gint col);
/** Get the text of a column element. The string returned may
* depend on whether the resolved member variable is set.
* For internal Wireshark use, not to be called from dissectors.
* Dissectors use col_get_text() in column-utils.h
*
* @param cinfo the column information
* @param col the column index to use (not the format)
*
* @return the text string
*/
WS_DLL_PUBLIC
const gchar *get_column_text(column_info *cinfo, const gint col);
WS_DLL_PUBLIC
void
col_finalize(column_info *cinfo);
WS_DLL_PUBLIC
void
build_column_format_array(column_info *cinfo, const gint num_cols, const gboolean reset_fences);
WS_DLL_PUBLIC
void column_dump_column_formats(void);
/** Parse a column format string into a fmt_data struct.
* If the format string possibly can be that of a deprecated column
* that has been migrated to a custom column (e.g., upon first being
* read from a preference file), call try_convert_to_custom_column() first.
*
* @param[out] cfmt The parsed cfmt, still owned by the caller.
* For custom columns, the caller is responsible for freeing
* the custom_fields member as well.
* @param[in] fmt The column format to parse.
*
* @return TRUE if conversion was successful, FALSE if unsuccessful
*/
WS_DLL_PUBLIC
gboolean parse_column_format(fmt_data *cfmt, const char *fmt);
/** Checks a column format string to see if it is a deprecated column
* that has been migrated to a custom column, and converts the format
* to the corresponding custom column format if so, otherwise leaving
* it unchanged.
*
* @param[in,out] fmt The column format to check and possibly convert.
*/
WS_DLL_PUBLIC
void try_convert_to_custom_column(char **fmt);
/** Checks a column field string to see if it is a name of a filter
* field created using a default column title (as used in tshark -e),
* and alias it to the new column type based field.
*
* @param[in] field The old title based field, e.g. "_ws.col.Info"
* @return The new field, e.g. "_ws.col.info", or NULL
*/
WS_DLL_PUBLIC
const char* try_convert_to_column_field(const char *field);
WS_DLL_PUBLIC
void column_register_fields(void);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* column.h */