degesch: halfplement /msg, /query, /notice
Which involved some refactoring.
This commit is contained in:
parent
2633eda69a
commit
c088f081d7
314
degesch.c
314
degesch.c
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@ -2381,6 +2381,155 @@ irc_process_message (const struct irc_message *msg,
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irc_process_numeric (ctx, msg, numeric);
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irc_process_numeric (ctx, msg, numeric);
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}
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}
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// --- Message autosplitting magic ---------------------------------------------
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static bool
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wrap_text (const char *message,
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int line_max, struct str_vector *output, struct error **e)
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{
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// Attempt to split the message if it doesn't completely fit into a single
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// IRC protocol message while trying not to break UTF-8. Unicode can still
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// end up being wrong, though. As well as any mIRC formatting.
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//
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// TODO: at least try to word-wrap if nothing else
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for (int message_left = strlen (message); message_left; )
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{
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struct str m;
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str_init (&m);
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int part_left = MIN (line_max, message_left);
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bool empty = true;
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while (true)
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{
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const char *next = utf8_next (message, message_left);
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hard_assert (next);
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int char_len = message - next;
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if (char_len > part_left)
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break;
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str_append_data (&m, message, char_len);
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message += char_len;
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message_left -= char_len;
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empty = false;
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}
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if (!empty)
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str_vector_add (output, m.str);
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str_free (&m);
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if (empty)
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{
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// Well, that's just weird
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error_set (e,
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"Message splitting was unsuccessful as there was "
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"too little room for UTF-8 characters");
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return false;
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}
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}
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return true;
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}
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// - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
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/// Automatically splits messages that arrive at other clients with our prefix
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/// so that they don't arrive cut off by the server
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static bool
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irc_autosplit_message (struct app_context *ctx, const char *message,
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int fixed_part, struct str_vector *output, struct error **e)
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{
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// :<nick>!<user>@<host> <fixed-part><message>
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int space_in_one_message = 0;
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if (ctx->irc_user_host)
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space_in_one_message = 510
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- 1 - (int) strlen (ctx->irc_user->nickname)
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- 1 - (int) strlen (ctx->irc_user_host)
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- 1 - fixed_part;
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// However we don't always have the full info for message splitting
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if (!space_in_one_message)
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str_vector_add (output, message);
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else if (!wrap_text (message, space_in_one_message, output, e))
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return false;
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return true;
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}
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struct send_autosplit_args;
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typedef void (*send_autosplit_logger_fn) (struct app_context *ctx,
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struct send_autosplit_args *args, struct buffer *buffer, const char *line);
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struct send_autosplit_args
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{
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const char *command; ///< E.g. PRIVMSG or NOTICE
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const char *target; ///< User or channel
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const char *message; ///< A message to be autosplit
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send_autosplit_logger_fn logger; ///< Logger for all resulting lines
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};
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static void
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send_autosplit_message (struct app_context *ctx, struct send_autosplit_args a)
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{
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struct buffer *buffer = str_map_find (&ctx->irc_buffer_map, a.target);
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int fixed_part = strlen (a.command) + 1 + strlen (a.target) + 1 + 1;
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struct str_vector lines;
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str_vector_init (&lines);
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struct error *e = NULL;
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if (!irc_autosplit_message (ctx, a.message, fixed_part, &lines, &e))
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{
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buffer_send_error (ctx,
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buffer ? buffer : ctx->server_buffer, "%s", e->message);
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error_free (e);
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goto end;
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}
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for (size_t i = 0; i < lines.len; i++)
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{
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irc_send (ctx, "%s %s :%s", a.command, a.target, lines.vector[i]);
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a.logger (ctx, &a, buffer, lines.vector[i]);
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}
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end:
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str_vector_free (&lines);
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}
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static void
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log_outcoming_privmsg (struct app_context *ctx,
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struct send_autosplit_args *a, struct buffer *buffer, const char *line)
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{
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if (buffer)
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buffer_send (ctx, buffer, BUFFER_LINE_PRIVMSG, 0,
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ctx->irc_user->nickname, NULL, "%s", line);
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else
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// TODO: fix logging
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buffer_send (ctx, ctx->server_buffer, BUFFER_LINE_STATUS, 0,
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NULL, NULL, "MSG(%s): %s", a->target, line);
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}
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#define SEND_AUTOSPLIT_PRIVMSG(ctx, target, message) \
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send_autosplit_message ((ctx), (struct send_autosplit_args) \
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{ "PRIVMSG", (target), (message), log_outcoming_privmsg })
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static void
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log_outcoming_notice (struct app_context *ctx,
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struct send_autosplit_args *a, struct buffer *buffer, const char *line)
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{
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if (buffer)
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buffer_send (ctx, buffer, BUFFER_LINE_NOTICE, 0,
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ctx->irc_user->nickname, NULL, "%s", line);
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else
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// TODO: fix logging
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buffer_send (ctx, ctx->server_buffer, BUFFER_LINE_STATUS, 0,
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NULL, NULL, "Notice -> %s: %s", a->target, line);
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}
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#define SEND_AUTOSPLIT_NOTICE(ctx, target, message) \
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send_autosplit_message ((ctx), (struct send_autosplit_args) \
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{ "NOTICE", (target), (message), log_outcoming_notice })
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// --- User input handling -----------------------------------------------------
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// --- User input handling -----------------------------------------------------
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static void handle_command_help (struct app_context *, char *);
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static void handle_command_help (struct app_context *, char *);
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@ -2490,6 +2639,108 @@ handle_command_buffer (struct app_context *ctx, char *arguments)
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}
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}
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}
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}
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static void
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handle_command_msg (struct app_context *ctx, char *arguments)
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{
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if (ctx->current_buffer->type == BUFFER_GLOBAL)
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{
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buffer_send_error (ctx, ctx->current_buffer,
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"Can't send messages from a global buffer");
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return;
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}
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if (ctx->irc_fd == -1)
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{
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buffer_send_error (ctx, ctx->server_buffer, "Not connected");
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return;
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}
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if (!*arguments)
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{
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// TODO: show usage or something
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return;
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}
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char *target = cut_word (&arguments);
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if (!*arguments)
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buffer_send_error (ctx, ctx->server_buffer, "No text to send");
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else
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SEND_AUTOSPLIT_PRIVMSG (ctx, target, arguments);
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}
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static void
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handle_command_query (struct app_context *ctx, char *arguments)
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{
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if (ctx->current_buffer->type == BUFFER_GLOBAL)
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{
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buffer_send_error (ctx, ctx->current_buffer,
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"Can't send messages from a global buffer");
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return;
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}
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if (ctx->irc_fd == -1)
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{
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buffer_send_error (ctx, ctx->server_buffer, "Not connected");
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return;
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}
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if (!*arguments)
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{
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// TODO: show usage or something
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return;
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}
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char *target = cut_word (&arguments);
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if (irc_is_channel (ctx, target))
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{
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buffer_send_error (ctx, ctx->server_buffer, "Cannot query a channel");
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return;
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}
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if (!*arguments)
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buffer_send_error (ctx, ctx->server_buffer, "No text to send");
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else
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{
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struct buffer *buffer = str_map_find (&ctx->irc_buffer_map, target);
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if (!buffer)
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{
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// TODO: create a buffer for this user
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// TODO: see irc_handle_privmsg
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}
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buffer_activate (ctx, buffer);
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SEND_AUTOSPLIT_PRIVMSG (ctx, target, arguments);
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}
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}
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static void
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handle_command_notice (struct app_context *ctx, char *arguments)
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{
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if (ctx->current_buffer->type == BUFFER_GLOBAL)
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{
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buffer_send_error (ctx, ctx->current_buffer,
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"Can't send messages from a global buffer");
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return;
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}
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if (ctx->irc_fd == -1)
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{
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buffer_send_error (ctx, ctx->server_buffer, "Not connected");
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return;
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}
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if (!*arguments)
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{
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// TODO: show usage or something
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return;
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}
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char *target = cut_word (&arguments);
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if (!*arguments)
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buffer_send_error (ctx, ctx->server_buffer, "No text to send");
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else
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SEND_AUTOSPLIT_NOTICE (ctx, target, arguments);
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}
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static void
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static void
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handle_command_quit (struct app_context *ctx, char *arguments)
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handle_command_quit (struct app_context *ctx, char *arguments)
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{
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{
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@ -2599,10 +2850,14 @@ g_command_handlers[] =
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"[message]" },
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"[message]" },
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{ "buffer", handle_command_buffer, "Manage buffers",
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{ "buffer", handle_command_buffer, "Manage buffers",
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"list | clear | move | { close [<number> | <name>] } | <number>" },
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"list | clear | move | { close [<number> | <name>] } | <number>" },
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{ "msg", handle_command_msg, "Send message to a nick or channel",
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"<target> <message>" },
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{ "query", handle_command_query, "Send a private message to a nick",
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"<nick> <message>" },
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{ "notice", handle_command_notice, "Send notice to a nick or channel",
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"<target> <message>" },
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#if 0
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#if 0
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{ "msg", NULL, "", "" },
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{ "query", NULL, "", "" },
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{ "notice", NULL, "", "" },
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{ "ctcp", NULL, "", "" },
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{ "ctcp", NULL, "", "" },
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{ "me", NULL, "", "" },
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{ "me", NULL, "", "" },
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#endif
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#endif
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@ -2722,58 +2977,7 @@ send_message_to_target (struct app_context *ctx,
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return;
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return;
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}
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}
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// We don't always have the full info for message splitting
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SEND_AUTOSPLIT_PRIVMSG (ctx, target, message);
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int space_in_one_message = 0;
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if (ctx->irc_user_host)
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// :<nick>!<user>@<host> PRIVMSG <target> :<message>
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space_in_one_message = 510
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- 1 - (int) strlen (ctx->irc_user->nickname)
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- 1 - (int) strlen (ctx->irc_user_host)
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- 1 - 7 - 1 - strlen (target) - 1 - 1;
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// Attempt to split the message if it doesn't completely fit into
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// a single IRC protocol message while trying not to break UTF-8.
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// Unicode can still end up being wrong, though.
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// TODO: at least try to word-wrap if nothing else
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for (int message_left = strlen (message); message_left; )
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{
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struct str m;
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str_init (&m);
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int part_left = MIN (space_in_one_message, message_left);
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if (!space_in_one_message)
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part_left = message_left;
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bool empty = true;
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while (true)
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{
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const char *next = utf8_next (message, message_left);
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hard_assert (next);
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int char_len = message - next;
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if (char_len > part_left)
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break;
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str_append_data (&m, message, char_len);
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message += char_len;
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message_left -= char_len;
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empty = false;
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}
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if (empty)
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{
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// Well, that's just weird
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buffer_send_error (ctx, buffer, "%s",
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"Message splitting was unsuccessful as there was "
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"too little room for UTF-8 characters");
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message_left = 0;
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}
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irc_send (ctx, "PRIVMSG %s :%s", target, m.str);
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buffer_send (ctx, buffer, BUFFER_LINE_PRIVMSG, 0,
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ctx->irc_user->nickname, NULL, "%s", m.str);
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str_free (&m);
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}
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}
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}
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static void
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static void
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