plugins/fishlim/irc.h


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/*

  Copyright (c) 2010 Samuel Lidén Borell <samuel@kodafritt.se>

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files (the "Software"), to deal
  in the Software without restriction, including without limitation the rights
  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  copies of the Software, and to permit persons to whom the Software is
  furnished to do so, subject to the following conditions:

  The above copyright notice and this permission notice shall be included in
  all copies or substantial portions of the Software.

  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  THE SOFTWARE.

*/

#ifndef IRC_H
#define IRC_H

#include <stdbool.h>
#include <stddef.h>

bool irc_parse_message(const char *words[],
                       const char **prefix, const char **command,
                       size_t *parameters_offset);
char *irc_prefix_get_nick(const char *prefix);
int irc_nick_cmp(const char *a, const char *b);

#endif
/* HexChat
 * Copyright (C) 1998-2010 Peter Zelezny.
 * Copyright (C) 2009-2013 Berke Viktor.
 *
 * 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 St, Fifth Floor, Boston, MA 02110-1301, USA
 */

/* per-channel/dialog settings :: /CHANOPT */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <errno.h>

#ifdef WIN32
#include <io.h>
#else
#include <unistd.h>
#endif

#include "hexchat.h"

#include "cfgfiles.h"
#include "server.h"
#include "text.h"
#include "util.h"
#include "hexchatc.h"


static GSList *chanopt_list = NULL;
static gboolean chanopt_open = FALSE;
static gboolean chanopt_changed = FALSE;


typedef struct
{
	char *name;
	char *alias;	/* old names from 2.8.4 */
	int offset;
} channel_options;

#define S_F(xx) STRUCT_OFFSET_STR(struct session,xx)

static const channel_options chanopt[] =
{
	{"alert_beep", "BEEP", S_F(alert_beep)},
	{"alert_taskbar", NULL, S_F(alert_taskbar)},
	{"alert_tray", "TRAY", S_F(alert_tray)},

	{"text_hidejoinpart", "CONFMODE", S_F(text_hidejoinpart)},
	{"text_logging", NULL, S_F(text_logging)},
	{"text_scrollback", NULL, S_F(text_scrollback)},
	{"text_strip", NULL, S_F(text_strip)},
};

#undef S_F

static char *
chanopt_value (guint8 val)
{
	switch (val)
	{
	case SET_OFF:
		return _("OFF");
	case SET_ON:
		return _("ON");
	case SET_DEFAULT:
		return _("{unset}");
	default:
		g_assert_not_reached ();
	}
}

static guint8
str_to_chanopt (const char *str)
{
	if (!g_ascii_strcasecmp (str, "ON") || !strcmp (str, "1"))
		return SET_ON;
	else if (!g_ascii_strcasecmp (str, "OFF") || !strcmp (str, "0"))
		return SET_OFF;
	else
		return SET_DEFAULT;
}

/* handle the /CHANOPT command */

int
chanopt_command (session *sess, char *tbuf, char *word[], char *word_eol[])
{
	int dots, i = 0, j, p = 0;
	guint8 val;
	int offset = 2;
	char *find;
	gboolean quiet = FALSE;
	int newval = -1;

	if (!strcmp (word[2], "-quiet"))
	{
		quiet = TRUE;
		offset++;
	}

	find = word[offset++];

	if (word[offset][0])
	{
		newval = str_to_chanopt (word[offset]);
	}

	if (!quiet)
		PrintTextf (sess, "\002%s\002: %s \002%s\002: %s\n",
						_("Network"),
						sess->server->network ? server_get_network (sess->server, TRUE) : _("<none>"),
						_("Channel"),
						sess->session_name[0] ? sess->session_name : _("<none>"));

	while (i < sizeof (chanopt) / sizeof (channel_options))
	{
		if (find[0] == 0 || match (find, chanopt[i].name) || (chanopt[i].alias && match (find, chanopt[i].alias)))
		{
			if (newval != -1)	/* set new value */
			{
				*(guint8 *)G_STRUCT_MEMBER_P(sess, chanopt[i].offset) = newval;
				chanopt_changed = TRUE;
			}

			if (!quiet)	/* print value */
			{
				strcpy (tbuf, chanopt[i].name);
				p = strlen (tbuf);

				tbuf[p++] = 3;
				tbuf[p++] = '2';

				dots = 20 - strlen (chanopt[i].name);

				for (j = 0; j < dots; j++)
					tbuf[p++] = '.';
				tbuf[p++] = 0;

				val = G_STRUCT_MEMBER (guint8, sess, chanopt[i].offset);
				PrintTextf (sess, "%s\0033:\017 %s", tbuf, chanopt_value (val));
			}
		}
		i++;
	}

	return TRUE;
}

/* is a per-channel setting set? Or is it UNSET and
 * the global version is set? */

gboolean
chanopt_is_set (unsigned int global, guint8 per_chan_setting)
{
	if (per_chan_setting == SET_ON || per_chan_setting == SET_OFF)
		return per_chan_setting;
	else
		return global;
}

/* === below is LOADING/SAVING stuff only === */

typedef struct
{
	/* Per-Channel Alerts */
	/* use a byte, because we need a pointer to each element */
	guint8 alert_beep;
	guint8 alert_taskbar;
	guint8 alert_tray;

	/* Per-Channel Settings */
	guint8 text_hidejoinpart;
	guint8 text_logging;
	guint8 text_scrollback;
	guint8 text_strip;

	char *network;
	char *channel;

} chanopt_in_memory;


static chanopt_in_memory *
chanopt_find (char *network, char *channel, gboolean add_new)
{
	GSList *list;
	chanopt_in_memory *co;
	int i;

	for (list = chanopt_list; list; list = list->next)
	{
		co = list->data;
		if (!g_ascii_strcasecmp (co->channel, channel) &&
			 !g_ascii_strcasecmp (co->network, network))
			return co;
	}

	if (!add_new)
		return NULL;

	/* allocate a new one */
	co = g_new0 (chanopt_in_memory, 1);
	co->channel = g_strdup (channel);
	co->network = g_strdup (network);

	/* set all values to SET_DEFAULT */
	i = 0;
	while (i < sizeof (chanopt) / sizeof (channel_options))
	{
		*(guint8 *)G_STRUCT_MEMBER_P(co, chanopt[i].offset) = SET_DEFAULT;
		i++;
	}

	chanopt_list = g_slist_prepend (chanopt_list, co);
	chanopt_changed = TRUE;

	return co;
}

static void
chanopt_add_opt (chanopt_in_memory *co, char *var, int new_value)
{
	int i;

	i = 0;
	while (i < sizeof (chanopt) / sizeof (channel_options))
	{
		if (!strcmp (var, chanopt[i].name))
		{
			*(guint8 *)G_STRUCT_MEMBER_P(co, chanopt[i].offset) = new_value;

		}
		i++;
	}
}

/* load chanopt.conf from disk into our chanopt_list GSList */

static void
chanopt_load_all (void)
{
	int fh;
	char buf[256];
	char *eq;
	char *network = NULL;
	chanopt_in_memory *current = NULL;

	/* 1. load the old file into our GSList */
	fh = hexchat_open_file ("chanopt.conf", O_RDONLY, 0, 0);
	if (fh != -1)
	{
		while (waitline (fh, buf, sizeof buf, FALSE) != -1)
		{
			eq = strchr (buf, '=');
			if (!eq)
				continue;
			eq[0] = 0;

			if (eq != buf && eq[-1] == ' ')
				eq[-1] = 0;

			if (!strcmp (buf, "network"))
			{
				g_free (network);
				network = g_strdup (eq + 2);
			}
			else if (!strcmp (buf, "channel"))
			{
				current = chanopt_find (network, eq + 2, TRUE);
				chanopt_changed = FALSE;
			}
			else
			{
				if (current)
					chanopt_add_opt (current, buf, str_to_chanopt (eq + 2));
			}

		}
		close (fh);
		g_free (network);
	}
}

void
chanopt_load (session *sess)
{
	int i;
	guint8 val;
	chanopt_in_memory *co;
	char *network;

	if (sess->session_name[0] == 0)
		return;

	network = server_get_network (sess->server, FALSE);
	if (!network)
		return;

	if (!chanopt_open)
	{
		chanopt_open = TRUE;
		chanopt_load_all ();
	}

	co = chanopt_find (network, sess->session_name, FALSE);
	if (!co)
		return;

	/* fill in all the sess->xxxxx fields */
	i = 0;
	while (i < sizeof (chanopt) / sizeof (channel_options))
	{
		val = G_STRUCT_MEMBER(guint8, co, chanopt[i].offset);
		*(guint8 *)G_STRUCT_MEMBER_P(sess, chanopt[i].offset) = val;
		i++;
	}
}

void
chanopt_save (session *sess)
{
	int i;
	guint8 vals;
	guint8 valm;
	chanopt_in_memory *co;
	char *network;

	if (sess->session_name[0] == 0)
		return;

	network = server_get_network (sess->server, FALSE);
	if (!network)
		return;

	/* 2. reconcile sess with what we loaded from disk */

	co = chanopt_find (network, sess->session_name, TRUE);

	i = 0;
	while (i < sizeof (chanopt) / sizeof (channel_options))
	{
		vals = G_STRUCT_MEMBER(guint8, sess, chanopt[i].offset);
		valm = G_STRUCT_MEMBER(guint8, co, chanopt[i].offset);

		if (vals != valm)
		{
			*(guint8 *)G_STRUCT_MEMBER_P(co, chanopt[i].offset) = vals;
			chanopt_changed = TRUE;
		}

		i++;
	}
}

static void
chanopt_save_one_channel (chanopt_in_memory *co, int fh)
{
	int i;
	char buf[256];
	guint8 val;

	g_snprintf (buf, sizeof (buf), "%s = %s\n", "network", co->network);
	write (fh, buf, strlen (buf));

	g_snprintf (buf, sizeof (buf), "%s = %s\n", "channel", co->channel);
	write (fh, buf, strlen (buf));

	i = 0;
	while (i < sizeof (chanopt) / sizeof (channel_options))
	{
		val = G_STRUCT_MEMBER (guint8, co, chanopt[i].offset);
		if (val != SET_DEFAULT)
		{
			g_snprintf (buf, sizeof (buf), "%s = %d\n", chanopt[i].name, val);
			write (fh, buf, strlen (buf));
		}
		i++;
	}
}

void
chanopt_save_all (gboolean flush)
{
	int i;
	int num_saved;
	int fh;
	GSList *list;
	chanopt_in_memory *co;
	guint8 val;

	if (!chanopt_list || !chanopt_changed)
	{
		return;
	}

	fh = hexchat_open_file ("chanopt.conf", O_TRUNC | O_WRONLY | O_CREAT, 0600, XOF_DOMODE);
	if (fh == -1)
	{
		return;
	}

	for (num_saved = 0, list = chanopt_list; list; list = list->next)
	{
		co = list->data;

		i = 0;
		while (i < sizeof (chanopt) / sizeof (channel_options))
		{
			val = G_STRUCT_MEMBER (guint8, co, chanopt[i].offset);
			/* not using global/default setting, must save */
			if (val != SET_DEFAULT)
			{
				if (num_saved != 0)
					write (fh, "\n", 1);

				chanopt_save_one_channel (co, fh);
				num_saved++;
				goto cont;
			}
			i++;
		}

cont:
		if (flush)
		{
			g_free (co->network);
			g_free (co->channel);
			g_free (co);
		}
	}

	close (fh);

	if (flush)
	{
		g_slist_free (chanopt_list);
		chanopt_list = NULL;
	}

	chanopt_open = FALSE;
	chanopt_changed = FALSE;
}