src/client/input.h

   1 /*
   2  * Copyright (c) 2013 Holger Weiss <holger@weiss.in-berlin.de>
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are met:
   7  *
   8  * 1. Redistributions of source code must retain the above copyright notice,
   9  *    this list of conditions and the following disclaimer.
  10  *
  11  * 2. Redistributions in binary form must reproduce the above copyright notice,
  12  *    this list of conditions and the following disclaimer in the documentation
  13  *    and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  16  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
  19  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  20  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  21  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  22  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  23  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  24  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  25  * POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #ifndef INPUT_H
  29 # define INPUT_H
  30
  31 # if HAVE_CONFIG_H
  32 #  include <config.h>
  33 # endif
  34
  35 # include <ev.h>
  36
  37 # include "buffer.h"
  38 # include "system.h"
  39
  40 typedef struct input_state_s {
  41 /* public: */
  42         void *data; /* Can freely be used by the caller. */
  43
  44 /* private: */
  45         ev_io watcher;
  46         buffer *buffer;
  47         char input[128];
  48         void (*read_handler)(struct input_state_s * restrict, char * restrict);
  49         void (*eof_handler)(struct input_state_s *);
  50         int fd;
  51         char separator;
  52         bool eof;
  53 } input_state;
  54
  55 input_state *input_start(char separator);
  56 void input_read_chunk(input_state *,
  57                       void (*)(input_state * restrict, char * restrict));
  58 void input_stop(input_state *);
  59 void input_on_eof(input_state *, void (*)(input_state *));
  60 void input_on_error(input_state *, void (*)(input_state *));
  61
  62 #endif
  63
  64 /* vim:set joinspaces noexpandtab textwidth=80 cinoptions=(4,u0: */