3 Copyright (C) 2000-2018 Free Software Foundation, Inc.
5 Contributed by Cygnus Solutions (a Red Hat company).
7 This file is part of GDB.
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 3 of the License, or
12 (at your option) any later version.
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.
19 You should have received a copy of the GNU General Public License
20 along with this program. If not, see <http://www.gnu.org/licenses/>. */
22 /* An MI console is a kind of ui_file stream that sends output to
23 stdout, but encapsulated and prefixed with a distinctive string;
24 for instance, error output is normally identified by a leading
28 #include "mi-console.h"
30 /* Create a console that wraps the given output stream RAW with the
31 string PREFIX and quoting it with QUOTE. */
33 mi_console_file::mi_console_file (ui_file *raw, const char *prefix, char quote)
40 mi_console_file::write (const char *buf, long length_buf)
42 size_t prev_size = m_buffer.size ();
43 /* Append the text to our internal buffer. */
44 m_buffer.write (buf, length_buf);
45 /* Flush when an embedded newline is present anywhere in the
47 if (strchr (m_buffer.c_str () + prev_size, '\n') != NULL)
51 /* Write C to STREAM's in an async-safe way. */
54 do_fputc_async_safe (int c, ui_file *stream)
57 stream->write_async_safe (&ch, 1);
62 mi_console_file::write_async_safe (const char *buf, long length_buf)
64 m_raw->write_async_safe (m_prefix, strlen (m_prefix));
67 m_raw->write_async_safe (&m_quote, 1);
68 fputstrn_unfiltered (buf, length_buf, m_quote, do_fputc_async_safe,
70 m_raw->write_async_safe (&m_quote, 1);
73 fputstrn_unfiltered (buf, length_buf, 0, do_fputc_async_safe, m_raw);
76 m_raw->write_async_safe (&nl, 1);
80 mi_console_file::flush ()
82 const std::string &str = m_buffer.string ();
84 /* Transform a byte sequence into a console output packet. */
87 size_t length_buf = str.size ();
88 const char *buf = str.data ();
90 fputs_unfiltered (m_prefix, m_raw);
93 fputc_unfiltered (m_quote, m_raw);
94 fputstrn_unfiltered (buf, length_buf, m_quote, fputc_unfiltered,
96 fputc_unfiltered (m_quote, m_raw);
97 fputc_unfiltered ('\n', m_raw);
101 fputstrn_unfiltered (buf, length_buf, 0, fputc_unfiltered, m_raw);
102 fputc_unfiltered ('\n', m_raw);
110 /* Change the underlying stream of the console directly; this is
111 useful as a minimum-impact way to reflect external changes like
112 logging enable/disable. */
115 mi_console_file::set_raw (ui_file *raw)