New plugin interface (loads dynamic C libraries)

1 files changed, 599 insertions, 0 deletions

diff --git a/src/plugins/scripts/ruby/weechat-ruby.c b/src/plugins/scripts/ruby/weechat-ruby.c
new file mode 100644
index 000000000..b517aa1f2
--- /dev/null
+++ b/src/plugins/scripts/ruby/weechat-ruby.c
@@ -0,0 +1,599 @@
+/*
+ * Copyright (c) 2003-2005 by FlashCode <flashcode@flashtux.org>
+ * See README for License detail, AUTHORS for developers list.
+ *
+ * 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
+ */
+
+/* wee-ruby.c: Ruby plugin support for WeeChat */
+
+
+#include <ruby.h>
+
+#include <stdlib.h>
+#include <string.h>
+#undef _
+#include "../../weechat-plugin.h"
+#include "../weechat-script.h"
+
+
+t_plugin_script *ruby_scripts = NULL;
+t_plugin_script *last_ruby_script = NULL;
+
+
+/*
+ * register: startup function for all WeeChat Ruby scripts
+ */
+
+static VALUE
+wee_ruby_register (VALUE class, VALUE name, VALUE version, VALUE shutdown_func, VALUE description)
+{
+    char *c_name, *c_version, *c_shutdown_func, *c_description;
+    t_plugin_script *ptr_ruby_script, *ruby_script_found, *new_ruby_script;
+    
+    if (NIL_P (name) || NIL_P (version) || NIL_P (shutdown_func) || NIL_P (description))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "register");
+        return Qnil;
+    }
+    
+    Check_Type (name, T_STRING);
+    Check_Type (version, T_STRING);
+    Check_Type (shutdown_func, T_STRING);
+    Check_Type (description, T_STRING);
+    
+    c_name = STR2CSTR (name);
+    c_version = STR2CSTR (version);
+    c_shutdown_func = STR2CSTR (shutdown_func);
+    c_description = STR2CSTR (description);
+    
+    ruby_script_found = NULL;
+    for (ptr_ruby_script = ruby_scripts; ptr_ruby_script;
+         ptr_ruby_script = ptr_ruby_script->next_script)
+    {
+        if (ascii_strcasecmp (ptr_ruby_script->name, c_name) == 0)
+        {
+            ruby_script_found = ptr_ruby_script;
+            break;
+        }
+    }
+    
+    if (ruby_script_found)
+    {
+        /* error: another script already exists with this name! */
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: unable to register \"%s\" script (another script "
+                      "already exists with this name)\n"),
+                    "Ruby", name);
+    }
+    else
+    {
+        /* registering script */
+        new_ruby_script = (t_plugin_script *)malloc (sizeof (t_plugin_script));
+        if (new_ruby_script)
+        {
+            new_ruby_script->name = strdup (c_name);
+            new_ruby_script->version = strdup (c_version);
+            new_ruby_script->shutdown_func = strdup (c_shutdown_func);
+            new_ruby_script->description = strdup (c_description);
+            
+            /* add new script to list */
+            new_ruby_script->prev_script = last_ruby_script;
+            new_ruby_script->next_script = NULL;
+            if (ruby_scripts)
+                last_ruby_script->next_script = new_ruby_script;
+            else
+                ruby_scripts = new_ruby_script;
+            last_ruby_script = new_ruby_script;
+            
+            wee_log_printf (_("Registered %s script: \"%s\", version %s (%s)\n"),
+                            "Ruby", c_name, c_version, c_description);
+        }
+        else
+        {
+            irc_display_prefix (NULL, PREFIX_ERROR);
+            gui_printf (NULL,
+                        _("%s error: unable to load script \"%s\" (not enough memory)\n"),
+                        "Ruby", c_name);
+        }
+    }
+    
+    return Qnil;
+}
+
+/*
+ * print: print message into a buffer (current or specified one)
+ */
+
+static VALUE
+wee_ruby_print (VALUE class, VALUE message, VALUE channel_name, VALUE server_name)
+{
+    char *c_message, *c_channel_name, *c_server_name;
+    t_gui_buffer *ptr_buffer;
+    
+    c_message = NULL;
+    c_channel_name = NULL;
+    c_server_name = NULL;
+    
+    if (NIL_P (message))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "print");
+        return Qnil;
+    }
+    
+    Check_Type (message, T_STRING);
+    if (!NIL_P (channel_name))
+        Check_Type (channel_name, T_STRING);
+    if (!NIL_P (server_name))
+        Check_Type (server_name, T_STRING);
+    
+    c_message = STR2CSTR (message);
+    if (!NIL_P (channel_name))
+        c_channel_name = STR2CSTR (channel_name);
+    if (!NIL_P (server_name))
+        c_server_name = STR2CSTR (server_name);
+    
+    ptr_buffer = plugin_find_buffer (c_server_name, c_channel_name);
+    if (ptr_buffer)
+    {
+        irc_display_prefix (ptr_buffer, PREFIX_PLUGIN);
+        gui_printf (ptr_buffer, "%s\n", c_message);
+        return INT2FIX (1);
+    }
+    
+    /* buffer not found */
+    return INT2FIX (0);
+}
+
+/*
+ * print_infobar: print message to infobar
+ */
+
+static VALUE
+wee_ruby_print_infobar (VALUE class, VALUE delay, VALUE message)
+{
+    int c_delay;
+    char *c_message;
+    
+    c_delay = 1;
+    c_message = NULL;
+    
+    if (NIL_P (delay) || NIL_P (message))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "print_infobar");
+        return Qfalse;
+    }
+    
+    Check_Type (delay, T_FIXNUM);
+    Check_Type (message, T_STRING);
+    
+    c_delay = FIX2INT (delay);
+    c_message = STR2CSTR (message);
+    
+    gui_infobar_printf (delay, COLOR_WIN_INFOBAR, c_message);
+    
+    return Qtrue;
+}
+
+/*
+ * command: send command to server
+ */
+
+static VALUE
+wee_ruby_command (VALUE class, VALUE command, VALUE channel_name, VALUE server_name)
+{
+    char *c_command, *c_channel_name, *c_server_name;
+    t_gui_buffer *ptr_buffer;
+    
+    c_command = NULL;
+    c_channel_name = NULL;
+    c_server_name = NULL;
+    
+    if (NIL_P (command))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "command");
+        return Qnil;
+    }
+    
+    Check_Type (command, T_STRING);
+    if (!NIL_P (channel_name))
+        Check_Type (channel_name, T_STRING);
+    if (!NIL_P (server_name))
+        Check_Type (server_name, T_STRING);
+    
+    c_command = STR2CSTR (command);
+    if (!NIL_P (channel_name))
+        c_channel_name = STR2CSTR (channel_name);
+    if (!NIL_P (server_name))
+        c_server_name = STR2CSTR (server_name);
+    
+    ptr_buffer = plugin_find_buffer (c_server_name, c_channel_name);
+    if (ptr_buffer)
+    {
+        user_command (SERVER(ptr_buffer), ptr_buffer, c_command);
+        return INT2FIX (1);
+    }
+    
+    /* buffer not found */
+    return INT2FIX (0);
+}
+
+/*
+ * add_message_handler: add handler for messages
+ */
+
+static VALUE
+wee_ruby_add_message_handler (VALUE class, VALUE message, VALUE function)
+{
+    char *c_message, *c_function;
+    
+    if (NIL_P (message) || NIL_P (function))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "add_message_handler");
+        return Qnil;
+    }
+    
+    Check_Type (message, T_STRING);
+    Check_Type (function, T_STRING);
+    
+    c_message = STR2CSTR (message);
+    c_function = STR2CSTR (function);
+    
+    plugin_handler_add (&plugin_msg_handlers, &last_plugin_msg_handler,
+                        PLUGIN_TYPE_RUBY, c_message, c_function);
+    
+    return Qtrue;
+}
+
+/*
+ * add_command_handler: define/redefines commands
+ */
+
+static VALUE
+wee_ruby_add_command_handler (VALUE class, VALUE name, VALUE function)
+{
+    char *c_name, *c_function;
+    t_plugin_handler *ptr_plugin_handler;
+    
+    if (NIL_P (name) || NIL_P (function))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "add_command_handler");
+        return Qnil;
+    }
+    
+    Check_Type (name, T_STRING);
+    Check_Type (function, T_STRING);
+    
+    c_name = STR2CSTR (name);
+    c_function = STR2CSTR (function);
+    
+    if (!weelist_search (index_commands, c_name))
+        weelist_add (&index_commands, &last_index_command, c_name);
+    
+    ptr_plugin_handler = plugin_handler_search (plugin_cmd_handlers, c_name);
+    if (ptr_plugin_handler)
+    {
+        free (ptr_plugin_handler->function_name);
+        ptr_plugin_handler->function_name = strdup (c_function);
+    }
+    else
+        plugin_handler_add (&plugin_cmd_handlers, &last_plugin_cmd_handler,
+                            PLUGIN_TYPE_PYTHON, c_name, c_function);
+    
+    return Qtrue;
+}
+
+/*
+ * get_info: get various infos
+ */
+
+static VALUE
+wee_ruby_get_info (VALUE class, VALUE arg, VALUE server_name)
+{
+    char *c_arg, *info, *c_server_name;
+    t_irc_server *ptr_server;
+    
+    if (NIL_P (arg))
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: wrong parameters for \"%s\" function\n"),
+                    "Ruby", "get_info");
+        return Qnil; 
+    }
+    
+    Check_Type (arg, T_STRING);
+    if (!NIL_P (server_name))
+        Check_Type (server_name, T_STRING);
+    
+    c_arg = STR2CSTR (arg);
+    if (!NIL_P (server_name))
+        c_server_name = STR2CSTR (server_name);
+    
+    if (c_server_name == NULL)
+    {
+        ptr_server = SERVER(gui_current_window->buffer);
+    }
+    else
+    {
+        for (ptr_server = irc_servers; ptr_server; ptr_server = ptr_server->next_server)
+        {
+            if (ascii_strcasecmp (ptr_server->name, c_server_name) == 0)
+                break;
+        }
+        if (!ptr_server)
+        {
+            irc_display_prefix (NULL, PREFIX_ERROR);
+            gui_printf (NULL,
+                        _("%s error: server not found for \"%s\" function\n"),
+                        "Ruby", "get_info");
+            return Qnil;
+        }
+    }
+    
+    if (ptr_server && c_arg)
+    {
+        if ( (ascii_strcasecmp (c_arg, "0") == 0) || (ascii_strcasecmp (c_arg, "version") == 0) )
+        {
+            info = PACKAGE_STRING;
+        }
+        else if ( (ascii_strcasecmp (c_arg, "1") == 0) || (ascii_strcasecmp (c_arg, "nick") == 0) )
+        {
+            if (ptr_server->nick)
+                info = ptr_server->nick;
+        }
+        else if ( (ascii_strcasecmp (c_arg, "2") == 0) || (ascii_strcasecmp (c_arg, "channel") == 0) )
+        {
+            if (BUFFER_IS_CHANNEL (gui_current_window->buffer))
+                info = CHANNEL (gui_current_window->buffer)->name;
+        }
+        else if ( (ascii_strcasecmp (c_arg, "3") == 0) || (ascii_strcasecmp (c_arg, "server") == 0) )
+        {
+            if (ptr_server->name)
+                info = ptr_server->name;
+        }
+        else if ( (ascii_strcasecmp (c_arg, "4") == 0) || (ascii_strcasecmp (c_arg, "weechatdir") == 0) )
+        {
+            info = weechat_home;
+        }
+        else if ( (ascii_strcasecmp (c_arg, "5") == 0) || (ascii_strcasecmp (c_arg, "away") == 0) )
+        {	 
+            return INT2FIX (SERVER(gui_current_window->buffer)->is_away);
+        }
+	else if ( (ascii_strcasecmp (c_arg, "100") == 0) || (ascii_strcasecmp (c_arg, "dccs") == 0) )
+        {
+            /* TODO: build dcc list */
+	}
+        
+        if (info)
+            return rb_str_new2 (info);
+        else
+            return rb_str_new2 ("");
+    }
+    
+    return INT2FIX (1);
+}
+
+/*
+ * Ruby subroutines
+ */
+
+/*
+ * wee_ruby_init: initialize Ruby interface for WeeChat
+ */
+
+void
+wee_ruby_init ()
+{
+
+    /* TODO: init Ruby environment */
+    /* ruby_init ();
+    if ()
+    {
+        irc_display_prefix (NULL, PREFIX_PLUGIN);
+        gui_printf (NULL, _("%s error: error while launching interpreter\n"),
+                    "Ruby");
+    }
+    else
+    {
+        wee_log_printf (_("Loading %s module \"weechat\"\n"), "Ruby");
+    }*/
+}
+
+/*
+ * wee_ruby_search: search a (loaded) Ruby script by name
+ */
+
+t_plugin_script *
+wee_ruby_search (char *name)
+{
+    t_plugin_script *ptr_ruby_script;
+    
+    for (ptr_ruby_script = ruby_scripts; ptr_ruby_script;
+         ptr_ruby_script = ptr_ruby_script->next_script)
+    {
+        if (strcmp (ptr_ruby_script->name, name) == 0)
+            return ptr_ruby_script;
+    }
+    
+    /* script not found */
+    return NULL;
+}
+
+/*
+ * wee_ruby_exec: execute a Ruby script
+ */
+
+int
+wee_ruby_exec (char *function, char *server, char *arguments)
+{  
+    /* TODO: exec Ruby script */
+}
+
+/*
+ * wee_ruby_load: load a Ruby script
+ */
+
+int
+wee_ruby_load (char *filename)
+{
+    FILE *fp;
+    
+    /* TODO: load & exec Ruby script */
+    gui_printf (NULL, "Ruby scripts not developed!\n");
+    /* execute Ruby script */
+    /*wee_log_printf (_("Loading %s script \"%s\"\n"), "Ruby", filename);
+    irc_display_prefix (NULL, PREFIX_PLUGIN);
+    gui_printf (NULL, _("Loading %s script \"%s\"\n"), "Ruby", filename);
+    
+    if ((fp = fopen (filename, "r")) == NULL)
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: error while opening file \"%s\"\n"),
+                    "Ruby", filename);
+        return 1;
+    }
+    
+    if (xxxxxxx (fp, filename) != 0)
+    {
+        irc_display_prefix (NULL, PREFIX_ERROR);
+        gui_printf (NULL,
+                    _("%s error: error while parsing file \"%s\"\n"),
+                    "Ruby", filename);
+        return 1;
+    }
+    
+    fclose (fp);
+    return 0;*/
+}
+
+/*
+ * wee_ruby_script_free: free a Ruby script
+ */
+
+void
+wee_ruby_script_free (t_plugin_script *ptr_ruby_script)
+{
+    t_plugin_script *new_ruby_scripts;
+
+    /* remove script from list */
+    if (last_ruby_script == ptr_ruby_script)
+        last_ruby_script = ptr_ruby_script->prev_script;
+    if (ptr_ruby_script->prev_script)
+    {
+        (ptr_ruby_script->prev_script)->next_script = ptr_ruby_script->next_script;
+        new_ruby_scripts = ruby_scripts;
+    }
+    else
+        new_ruby_scripts = ptr_ruby_script->next_script;
+    
+    if (ptr_ruby_script->next_script)
+        (ptr_ruby_script->next_script)->prev_script = ptr_ruby_script->prev_script;
+
+    /* free data */
+    if (ptr_ruby_script->name)
+        free (ptr_ruby_script->name);
+    if (ptr_ruby_script->version)
+        free (ptr_ruby_script->version);
+    if (ptr_ruby_script->shutdown_func)
+        free (ptr_ruby_script->shutdown_func);
+    if (ptr_ruby_script->description)
+        free (ptr_ruby_script->description);
+    free (ptr_ruby_script);
+    ruby_scripts = new_ruby_scripts;
+}
+
+/*
+ * wee_ruby_unload: unload a Ruby script
+ */
+
+void
+wee_ruby_unload (t_plugin_script *ptr_ruby_script)
+{
+    if (ptr_ruby_script)
+    {
+        wee_log_printf (_("Unloading %s script \"%s\"\n"),
+                        "Ruby", ptr_ruby_script->name);
+        
+        /* call shutdown callback function */
+        if (ptr_ruby_script->shutdown_func[0])
+            wee_ruby_exec (ptr_ruby_script->shutdown_func, "", "");
+        wee_ruby_script_free (ptr_ruby_script);
+    }
+}
+
+/*
+ * wee_ruby_unload_all: unload all Ruby scripts
+ */
+
+void
+wee_ruby_unload_all ()
+{
+    wee_log_printf (_("Unloading all %s scripts...\n"), "Ruby");
+    while (ruby_scripts)
+        wee_ruby_unload (ruby_scripts);
+    
+    irc_display_prefix (NULL, PREFIX_PLUGIN);
+    gui_printf (NULL, _("%s scripts unloaded\n"), "Ruby");
+}
+
+/*
+ * wee_ruby_end: shutdown Ruby interface
+ */
+
+void
+wee_ruby_end ()
+{
+    /* unload all scripts */
+    wee_ruby_unload_all ();
+    
+    /* free all handlers */
+    plugin_handler_free_all_type (&plugin_msg_handlers,
+                                  &last_plugin_msg_handler,
+                                  PLUGIN_TYPE_RUBY);
+    plugin_handler_free_all_type (&plugin_cmd_handlers,
+                                  &last_plugin_cmd_handler,
+                                  PLUGIN_TYPE_RUBY);
+    
+    /* TODO: free Ruby interpreter */
+    /* free Ruby interpreter */
+    /* xxxxx ();
+    if ()
+    {
+        irc_display_prefix (NULL, PREFIX_PLUGIN);
+        gui_printf (NULL, _("%s error: error while freeing interpreter\n"),
+                    "Ruby");
+    }*/
+}