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/** @file
* Definitions for print streams.
*
* Gilbert Ramirez <gram@alumni.rice.edu>
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#ifndef __PRINT_STREAM_H__
#define __PRINT_STREAM_H__
#include "ws_symbol_export.h"
#include <wsutil/color.h>
#include <wsutil/str_util.h>
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
/*
* Print stream code; this provides a "print stream" class with subclasses
* of various sorts. Additional subclasses might be implemented elsewhere.
*/
struct print_stream;
typedef struct print_stream_ops {
gboolean (*print_preamble)(struct print_stream *self, gchar *filename, const char *version_string);
gboolean (*print_line)(struct print_stream *self, int indent,
const char *line);
gboolean (*print_line_color)(struct print_stream *self, int indent, const char *line, const color_t *fg, const color_t *bg);
gboolean (*print_bookmark)(struct print_stream *self,
const gchar *name, const gchar *title);
gboolean (*new_page)(struct print_stream *self);
gboolean (*print_finale)(struct print_stream *self);
gboolean (*destroy)(struct print_stream *self);
} print_stream_ops_t;
typedef struct print_stream {
const print_stream_ops_t *ops;
void *data;
} print_stream_t;
/*
* These return a print_stream_t * on success and NULL on failure.
*/
WS_DLL_PUBLIC print_stream_t *print_stream_text_new(gboolean to_file, const char *dest);
WS_DLL_PUBLIC print_stream_t *print_stream_text_stdio_new(FILE *fh);
WS_DLL_PUBLIC print_stream_t *print_stream_ps_new(gboolean to_file, const char *dest);
WS_DLL_PUBLIC print_stream_t *print_stream_ps_stdio_new(FILE *fh);
/*
* These return TRUE if the print was successful, FALSE otherwise.
*/
WS_DLL_PUBLIC gboolean print_preamble(print_stream_t *self, gchar *filename, const char *version_string);
WS_DLL_PUBLIC gboolean print_line(print_stream_t *self, int indent, const char *line);
/*
* equivalent to print_line(), but if the stream supports text coloring then
* the output text will also be colored with the given foreground and
* background
*/
WS_DLL_PUBLIC gboolean print_line_color(print_stream_t *self, int indent, const char *line, const color_t *fg, const color_t *bg);
WS_DLL_PUBLIC gboolean print_bookmark(print_stream_t *self, const gchar *name,
const gchar *title);
WS_DLL_PUBLIC gboolean new_page(print_stream_t *self);
WS_DLL_PUBLIC gboolean print_finale(print_stream_t *self);
WS_DLL_PUBLIC gboolean destroy_print_stream(print_stream_t *self);
#ifdef __cplusplus
}
#endif /* __cplusplus */
#endif /* print_stream.h */
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