..adding new files..

git-svn-id: http://svn.irssi.org/repos/irssi/trunk@171 dbcabf3a-b0e7-0310-adc4-f8d773084564

1 files changed, 266 insertions, 0 deletions

diff --git a/src/fe-common/core/fe-core-commands.c b/src/fe-common/core/fe-core-commands.c
new file mode 100644
index 00000000..b036385d
--- /dev/null
+++ b/src/fe-common/core/fe-core-commands.c
@@ -0,0 +1,266 @@
+/*
+ fe-core-commands.c : irssi
+
+    Copyright (C) 1999-2000 Timo Sirainen
+
+    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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+*/
+
+#include "module.h"
+#include "module-formats.h"
+#include "signals.h"
+#include "commands.h"
+#include "levels.h"
+#include "line-split.h"
+#include "irssi-version.h"
+
+#include "windows.h"
+
+static gchar *ret_texts[] =
+{
+    "Invalid parameter",
+    "Not enough parameters given",
+    "Not connected to IRC server yet",
+    "Not joined to any channels yet",
+    "Error: getsockname() failed",
+    "Error: listen() failed",
+    "Multiple matches found, be more specific",
+    "Nick not found",
+    "Not joined to such channel",
+    "Server not found",
+    "Channel not fully synchronized yet, try again after a while",
+    "Doing this is not a good idea. Add -YES if you really mean it",
+};
+
+static gint commands_compare(COMMAND_REC *rec, COMMAND_REC *rec2)
+{
+    if (rec->category == NULL && rec2->category != NULL)
+	return -1;
+    if (rec2->category == NULL && rec->category != NULL)
+	return 1;
+
+    return strcmp(rec->cmd, rec2->cmd);
+}
+
+static void help_category(GSList *cmdlist, gint items, gint max)
+{
+    COMMAND_REC *rec, *last;
+    GString *str;
+    GSList *tmp;
+    gint lines, cols, line, col, skip;
+    gchar *cmdbuf;
+
+    str = g_string_new(NULL);
+
+    cols = max > 65 ? 1 : (65 / max);
+    lines = items <= cols ? 1 : items / cols+1;
+
+    last = NULL; cmdbuf = g_malloc(max+1); cmdbuf[max] = '\0';
+    for (line = 0, col = 0, skip = 1, tmp = cmdlist; line < lines; last = rec, tmp = tmp->next)
+    {
+	rec = tmp->data;
+
+	if (--skip == 0)
+	{
+	    skip = lines;
+	    memset(cmdbuf, ' ', max);
+	    memcpy(cmdbuf, rec->cmd, strlen(rec->cmd));
+	    g_string_sprintfa(str, "%s ", cmdbuf);
+	    cols++;
+	}
+
+	if (col == cols || tmp->next == NULL)
+	{
+	    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, str->str);
+	    g_string_truncate(str, 0);
+	    col = 0; line++;
+	    tmp = g_slist_nth(cmdlist, line-1); skip = 1;
+	}
+    }
+    if (str->len != 0)
+	printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, str->str);
+    g_string_free(str, TRUE);
+    g_free(cmdbuf);
+}
+
+static int show_help(COMMAND_REC *cmd)
+{
+    char tmpbuf[1024], *str, *path;
+    LINEBUF_REC *buffer = NULL;
+    int f, ret, recvlen;
+
+    /* helpdir/command or helpdir/category/command */
+    if (cmd->category == NULL)
+	path = g_strdup_printf("%s/%s", HELPDIR, cmd->cmd);
+    else
+	path = g_strdup_printf("%s/%s/%s", HELPDIR, cmd->category, cmd->cmd);
+    f = open(path, O_RDONLY);
+    g_free(path);
+
+    if (f == -1)
+	return FALSE;
+
+    /* just print to screen whatever is in the file */
+    do
+    {
+	recvlen = read(f, tmpbuf, sizeof(tmpbuf));
+
+	ret = line_split(tmpbuf, recvlen, &str, &buffer);
+        printtext(NULL, NULL, MSGLEVEL_NEVER, str);
+    }
+    while (ret > 0);
+    line_split_free(buffer);
+
+    close(f);
+    return TRUE;
+}
+
+static void cmd_help(gchar *data)
+{
+    COMMAND_REC *rec, *last, *helpitem;
+    GSList *tmp, *cmdlist;
+    gint len, max, items, findlen;
+    gboolean header;
+
+    g_return_if_fail(data != NULL);
+
+    /* sort the commands list */
+    commands = g_slist_sort(commands, (GCompareFunc) commands_compare);
+
+    /* print command, sort by category */
+    cmdlist = NULL; last = NULL; header = FALSE; helpitem = NULL;
+    max = items = 0; findlen = strlen(data);
+    for (tmp = commands; tmp != NULL; last = rec, tmp = tmp->next)
+    {
+	rec = tmp->data;
+
+	if (last != NULL && rec->category != NULL &&
+	    (last->category == NULL || strcmp(rec->category, last->category) != 0))
+	{
+	    /* category changed */
+	    if (items > 0)
+	    {
+		if (!header)
+		{
+		    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "Irssi commands:");
+		    header = TRUE;
+		}
+		if (last->category != NULL)
+		{
+		    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "");
+		    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s:", last->category);
+		}
+		help_category(cmdlist, items, max);
+	    }
+
+	    g_slist_free(cmdlist); cmdlist = NULL;
+	    items = 0; max = 0;
+	}
+
+	if (last != NULL && g_strcasecmp(rec->cmd, last->cmd) == 0)
+	    continue; /* don't display same command twice */
+
+	if (strlen(rec->cmd) >= findlen && g_strncasecmp(rec->cmd, data, findlen) == 0)
+	{
+	    if (rec->cmd[findlen] == '\0')
+	    {
+		helpitem = rec;
+		break;
+	    }
+	    else if (strchr(rec->cmd+findlen+1, ' ') == NULL)
+	    {
+		/* not a subcommand (and matches the query) */
+		len = strlen(rec->cmd);
+		if (max < len) max = len;
+		items++;
+		cmdlist = g_slist_append(cmdlist, rec);
+	    }
+	}
+    }
+
+    if ((helpitem == NULL && items == 0) || (helpitem != NULL && !show_help(helpitem)))
+	printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "No help for %s", data);
+
+    if (items != 0)
+    {
+	/* display the last category */
+	if (!header)
+	{
+	    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "Irssi commands:");
+	    header = TRUE;
+	}
+
+	if (last->category != NULL)
+	{
+	    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "");
+	    printtext(NULL, NULL, MSGLEVEL_CLIENTCRAP, "%s:", last->category);
+	}
+	help_category(cmdlist, items, max);
+	g_slist_free(cmdlist);
+    }
+}
+
+static void cmd_echo(const char *data, void *server, WI_ITEM_REC *item)
+{
+	g_return_if_fail(data != NULL);
+
+	printtext(server, item == NULL ? NULL : item->name, MSGLEVEL_CRAP, "%s", data);
+}
+
+static void cmd_version(char *data)
+{
+	g_return_if_fail(data != NULL);
+
+	if (*data == '\0')
+		printtext(NULL, NULL, MSGLEVEL_CLIENTNOTICE, "Client: "PACKAGE" " IRSSI_VERSION);
+}
+
+static void cmd_unknown(const char *data, void *server, WI_ITEM_REC *item)
+{
+	char *cmd;
+
+	cmd = g_strdup(data); g_strup(cmd);
+	printtext(server, item == NULL ? NULL : item->name, MSGLEVEL_CRAP, "Unknown command: %s", cmd);
+	g_free(cmd);
+
+	signal_stop();
+}
+
+static void event_cmderror(gpointer error)
+{
+	printtext(NULL, NULL, MSGLEVEL_CLIENTERROR, ret_texts[GPOINTER_TO_INT(error)]);
+}
+
+void fe_core_commands_init(void)
+{
+	command_bind("help", NULL, (SIGNAL_FUNC) cmd_help);
+	command_bind("echo", NULL, (SIGNAL_FUNC) cmd_echo);
+	command_bind("version", NULL, (SIGNAL_FUNC) cmd_version);
+
+	signal_add("unknown command", (SIGNAL_FUNC) cmd_unknown);
+	signal_add("default command", (SIGNAL_FUNC) cmd_unknown);
+	signal_add("error command", (SIGNAL_FUNC) event_cmderror);
+}
+
+void fe_core_commands_deinit(void)
+{
+	command_unbind("help", (SIGNAL_FUNC) cmd_help);
+	command_unbind("echo", (SIGNAL_FUNC) cmd_echo);
+	command_unbind("version", (SIGNAL_FUNC) cmd_version);
+
+	signal_remove("unknown command", (SIGNAL_FUNC) cmd_unknown);
+	signal_remove("default command", (SIGNAL_FUNC) cmd_unknown);
+	signal_remove("error command", (SIGNAL_FUNC) event_cmderror);
+}