1/* MI Console code.
2
3   Copyright 2000, 2001, 2002 Free Software Foundation, Inc.
4
5   Contributed by Cygnus Solutions (a Red Hat company).
6
7   This file is part of GDB.
8
9   This program is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 2 of the License, or
12   (at your option) any later version.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with this program; if not, write to the Free Software
21   Foundation, Inc., 59 Temple Place - Suite 330,
22   Boston, MA 02111-1307, USA.  */
23
24#include "defs.h"
25#include "mi-console.h"
26#include "gdb_string.h"
27
28/* MI-console: send output to std-out but correcty encapsulated */
29
30static ui_file_fputs_ftype mi_console_file_fputs;
31static ui_file_flush_ftype mi_console_file_flush;
32static ui_file_delete_ftype mi_console_file_delete;
33
34struct mi_console_file
35  {
36    int *magic;
37    struct ui_file *raw;
38    struct ui_file *buffer;
39    const char *prefix;
40    char quote;
41  };
42
43int mi_console_file_magic;
44
45struct ui_file *
46mi_console_file_new (struct ui_file *raw,
47		     const char *prefix, char quote)
48{
49  struct ui_file *ui_file = ui_file_new ();
50  struct mi_console_file *mi_console = XMALLOC (struct mi_console_file);
51  mi_console->magic = &mi_console_file_magic;
52  mi_console->raw = raw;
53  mi_console->buffer = mem_fileopen ();
54  mi_console->prefix = prefix;
55  mi_console->quote = quote;
56  set_ui_file_fputs (ui_file, mi_console_file_fputs);
57  set_ui_file_flush (ui_file, mi_console_file_flush);
58  set_ui_file_data (ui_file, mi_console, mi_console_file_delete);
59  return ui_file;
60}
61
62static void
63mi_console_file_delete (struct ui_file *file)
64{
65  struct mi_console_file *mi_console = ui_file_data (file);
66  if (mi_console->magic != &mi_console_file_magic)
67    internal_error (__FILE__, __LINE__,
68		    "mi_console_file_delete: bad magic number");
69  xfree (mi_console);
70}
71
72static void
73mi_console_file_fputs (const char *buf,
74		       struct ui_file *file)
75{
76  struct mi_console_file *mi_console = ui_file_data (file);
77  if (mi_console->magic != &mi_console_file_magic)
78    internal_error (__FILE__, __LINE__,
79		    "mi_console_file_fputs: bad magic number");
80  /* Append the text to our internal buffer */
81  fputs_unfiltered (buf, mi_console->buffer);
82  /* Flush when an embedded \n */
83  if (strchr (buf, '\n') != NULL)
84    gdb_flush (file);
85}
86
87/* Transform a byte sequence into a console output packet. */
88static void
89mi_console_raw_packet (void *data,
90		       const char *buf,
91		       long length_buf)
92{
93  struct mi_console_file *mi_console = data;
94  if (mi_console->magic != &mi_console_file_magic)
95    internal_error (__FILE__, __LINE__,
96		    "mi_console_file_transform: bad magic number");
97
98  if (length_buf > 0)
99    {
100      fputs_unfiltered (mi_console->prefix, mi_console->raw);
101      if (mi_console->quote)
102	{
103	  fputs_unfiltered ("\"", mi_console->raw);
104	  fputstrn_unfiltered (buf, length_buf, mi_console->quote, mi_console->raw);
105	  fputs_unfiltered ("\"\n", mi_console->raw);
106	}
107      else
108	{
109	  fputstrn_unfiltered (buf, length_buf, 0, mi_console->raw);
110	  fputs_unfiltered ("\n", mi_console->raw);
111	}
112      gdb_flush (mi_console->raw);
113    }
114}
115
116static void
117mi_console_file_flush (struct ui_file *file)
118{
119  struct mi_console_file *mi_console = ui_file_data (file);
120  if (mi_console->magic != &mi_console_file_magic)
121    internal_error (__FILE__, __LINE__,
122		    "mi_console_file_flush: bad magic number");
123  ui_file_put (mi_console->buffer, mi_console_raw_packet, mi_console);
124  ui_file_rewind (mi_console->buffer);
125}
126