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print_stream.h
1 /* print_stream.h
2 * Definitions for print streams.
3 *
4 * Gilbert Ramirez <gram@alumni.rice.edu>
5 *
6 * Wireshark - Network traffic analyzer
7 * By Gerald Combs <gerald@wireshark.org>
8 * Copyright 1998 Gerald Combs
9 *
10 * SPDX-License-Identifier: GPL-2.0-or-later
11 */
12
13 #ifndef __PRINT_STREAM_H__
14 #define __PRINT_STREAM_H__
15
16 #include "ws_symbol_export.h"
17
18 #include <wsutil/color.h>
19
20 #ifdef __cplusplus
21 extern "C" {
22 #endif /* __cplusplus */
23
24 /*
25 * Print stream code; this provides a "print stream" class with subclasses
26 * of various sorts. Additional subclasses might be implemented elsewhere.
27 */
28 struct print_stream;
29
30 typedef struct print_stream_ops {
31 gboolean (*print_preamble)(struct print_stream *self, gchar *filename, const char *version_string);
32 gboolean (*print_line)(struct print_stream *self, int indent,
33 const char *line);
34 gboolean (*print_bookmark)(struct print_stream *self,
35 const gchar *name, const gchar *title);
36 gboolean (*new_page)(struct print_stream *self);
37 gboolean (*print_finale)(struct print_stream *self);
38 gboolean (*destroy)(struct print_stream *self);
39 gboolean (*print_line_color)(struct print_stream *self, int indent, const char *line, const color_t *fg, const color_t *bg);
40 } print_stream_ops_t;
41
42 typedef struct print_stream {
43 const print_stream_ops_t *ops;
44 gboolean isatty;
45 const char *to_codeset;
46 void *data;
47 #ifdef _WIN32
48 unsigned short csb_attrs; // WORD
49 #endif
50 } print_stream_t;
51
52 WS_DLL_PUBLIC print_stream_t *print_stream_text_new(gboolean to_file, const char *dest);
53 WS_DLL_PUBLIC print_stream_t *print_stream_text_stdio_new(FILE *fh);
54 WS_DLL_PUBLIC print_stream_t *print_stream_ps_new(gboolean to_file, const char *dest);
55 WS_DLL_PUBLIC print_stream_t *print_stream_ps_stdio_new(FILE *fh);
56
57 WS_DLL_PUBLIC gboolean print_preamble(print_stream_t *self, gchar *filename, const char *version_string);
58 WS_DLL_PUBLIC gboolean print_line(print_stream_t *self, int indent, const char *line);
59 WS_DLL_PUBLIC gboolean print_bookmark(print_stream_t *self, const gchar *name,
60 const gchar *title);
61 WS_DLL_PUBLIC gboolean new_page(print_stream_t *self);
62 WS_DLL_PUBLIC gboolean print_finale(print_stream_t *self);
63 WS_DLL_PUBLIC gboolean destroy_print_stream(print_stream_t *self);
64
65 /*
66 * equivalent to print_line(), but if the stream supports text coloring then
67 * the output text will also be colored with the given foreground and
68 * background
69 *
70 * returns TRUE if the print was successful, FALSE otherwise
71 */
72 WS_DLL_PUBLIC gboolean print_line_color(print_stream_t *self, int indent, const char *line, const color_t *fg, const color_t *bg);
73
74 #ifdef __cplusplus
75 }
76 #endif /* __cplusplus */
77
78 #endif /* print_stream.h */
print_stream
Definition: print_stream.h:42
print_stream_ops
Definition: print_stream.h:30
color_t
Definition: color.h:20