97 lines
2.2 KiB
C
97 lines
2.2 KiB
C
/*
|
|
* Copyright (C) 2003-2010 The Music Player Daemon Project
|
|
* http://www.musicpd.org
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation; either version 2 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along
|
|
* with this program; if not, write to the Free Software Foundation, Inc.,
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*/
|
|
|
|
#include "config.h"
|
|
#include "text_input_stream.h"
|
|
#include "input_stream.h"
|
|
#include "fifo_buffer.h"
|
|
|
|
#include <glib.h>
|
|
|
|
#include <string.h>
|
|
|
|
struct text_input_stream {
|
|
struct input_stream *is;
|
|
|
|
struct fifo_buffer *buffer;
|
|
|
|
char *line;
|
|
};
|
|
|
|
struct text_input_stream *
|
|
text_input_stream_new(struct input_stream *is)
|
|
{
|
|
struct text_input_stream *tis = g_new(struct text_input_stream, 1);
|
|
|
|
tis->is = is;
|
|
tis->buffer = fifo_buffer_new(4096);
|
|
tis->line = NULL;
|
|
|
|
return tis;
|
|
}
|
|
|
|
void
|
|
text_input_stream_free(struct text_input_stream *tis)
|
|
{
|
|
fifo_buffer_free(tis->buffer);
|
|
g_free(tis->line);
|
|
g_free(tis);
|
|
}
|
|
|
|
const char *
|
|
text_input_stream_read(struct text_input_stream *tis)
|
|
{
|
|
GError *error = NULL;
|
|
void *dest;
|
|
const char *src, *p;
|
|
size_t length, nbytes;
|
|
|
|
g_free(tis->line);
|
|
tis->line = NULL;
|
|
|
|
do {
|
|
dest = fifo_buffer_write(tis->buffer, &length);
|
|
if (dest != NULL) {
|
|
nbytes = input_stream_read(tis->is, dest, length,
|
|
&error);
|
|
if (nbytes > 0)
|
|
fifo_buffer_append(tis->buffer, nbytes);
|
|
else if (error != NULL) {
|
|
g_warning("%s", error->message);
|
|
g_error_free(error);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
src = fifo_buffer_read(tis->buffer, &length);
|
|
if (src == NULL)
|
|
return NULL;
|
|
|
|
p = memchr(src, '\n', length);
|
|
} while (p == NULL);
|
|
|
|
length = p - src + 1;
|
|
while (p > src && g_ascii_isspace(p[-1]))
|
|
--p;
|
|
|
|
tis->line = g_strndup(src, p - src);
|
|
fifo_buffer_consume(tis->buffer, length);
|
|
return tis->line;
|
|
}
|