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149c77decdbc81979af5aa9853e346f9beebca79
weechat/src/plugins/ruby/weechat-ruby.c
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Sebastien Helleu 149c77decd core: fix typos in many comments and some strings
2013-03-17 12:55:20 +01:00

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/*
* weechat-ruby.c - ruby plugin for WeeChat
*
* Copyright (C) 2003-2013 Sebastien Helleu <flashcode@flashtux.org>
* Copyright (C) 2005-2007 Emmanuel Bouthenot <kolter@openics.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat 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 3 of the License, or
* (at your option) any later version.
*
* WeeChat 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 WeeChat. If not, see <http://www.gnu.org/licenses/>.
*/
#undef _
#include <ruby.h>
#if defined(RUBY_VERSION) && RUBY_VERSION >=19
#include <ruby/encoding.h>
#endif
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include "../weechat-plugin.h"
#include "../plugin-script.h"
#include "weechat-ruby.h"
#include "weechat-ruby-api.h"
#ifndef StringValuePtr
#define StringValuePtr(s) STR2CSTR(s)
#endif
#ifndef RARRAY_LEN
#define RARRAY_LEN(s) RARRAY(s)->len
#endif
#ifndef RARRAY_PTR
#define RARRAY_PTR(s) RARRAY(s)->ptr
#endif
#ifndef RSTRING_LEN
#define RSTRING_LEN(s) RSTRING(s)->len
#endif
#ifndef RSTRING_PTR
#define RSTRING_PTR(s) RSTRING(s)->ptr
#endif
WEECHAT_PLUGIN_NAME(RUBY_PLUGIN_NAME);
WEECHAT_PLUGIN_DESCRIPTION(N_("Support of ruby scripts"));
WEECHAT_PLUGIN_AUTHOR("Sebastien Helleu <flashcode@flashtux.org>");
WEECHAT_PLUGIN_VERSION(WEECHAT_VERSION);
WEECHAT_PLUGIN_LICENSE(WEECHAT_LICENSE);
struct t_weechat_plugin *weechat_ruby_plugin = NULL;
int ruby_quiet = 0;
int ruby_hide_errors = 0;
struct t_plugin_script *ruby_scripts = NULL;
struct t_plugin_script *last_ruby_script = NULL;
struct t_plugin_script *ruby_current_script = NULL;
struct t_plugin_script *ruby_registered_script = NULL;
const char *ruby_current_script_filename = NULL;
/*
* string used to execute action "install":
* when signal "ruby_script_install" is received, name of string
* is added to this string, to be installed later by a timer (when nothing is
* running in script)
*/
char *ruby_action_install_list = NULL;
/*
* string used to execute action "remove":
* when signal "ruby_script_remove" is received, name of string
* is added to this string, to be removed later by a timer (when nothing is
* running in script)
*/
char *ruby_action_remove_list = NULL;
/*
* string used to execute action "autoload":
* when signal "ruby_script_autoload" is received, name of string
* is added to this string, to autoload or disable autoload later by a timer
* (when nothing is running in script)
*/
char *ruby_action_autoload_list = NULL;
VALUE ruby_mWeechat, ruby_mWeechatOutputs;
#define MOD_NAME_PREFIX "WeechatRubyModule"
int ruby_num = 0;
char ruby_buffer_output[128];
typedef struct protect_call_arg {
VALUE recv;
ID mid;
int argc;
VALUE *argv;
} protect_call_arg_t;
/*
* Callback called for each key/value in a hashtable.
*/
void
weechat_ruby_hashtable_map_cb (void *data,
struct t_hashtable *hashtable,
const char *key,
const char *value)
{
VALUE *hash;
/* make C compiler happy */
(void) hashtable;
hash = (VALUE *)data;
rb_hash_aset (hash[0], rb_str_new2 (key), rb_str_new2 (value));
}
/*
* Gets ruby hash with a WeeChat hashtable.
*/
VALUE
weechat_ruby_hashtable_to_hash (struct t_hashtable *hashtable)
{
VALUE hash;
hash = rb_hash_new ();
if (NIL_P (hash))
return Qnil;
weechat_hashtable_map_string (hashtable,
&weechat_ruby_hashtable_map_cb,
&hash);
return hash;
}
/*
* Callback called for each key/value in a hashtable.
*/
int
weechat_ruby_hash_foreach_cb (VALUE key, VALUE value, void *arg)
{
struct t_hashtable *hashtable;
const char *type_values;
hashtable = (struct t_hashtable *)arg;
if ((TYPE(key) == T_STRING) && (TYPE(value) == T_STRING))
{
type_values = weechat_hashtable_get_string (hashtable, "type_values");
if (strcmp (type_values, WEECHAT_HASHTABLE_STRING) == 0)
{
weechat_hashtable_set (hashtable, StringValuePtr(key),
StringValuePtr(value));
}
else if (strcmp (type_values, WEECHAT_HASHTABLE_POINTER) == 0)
{
weechat_hashtable_set (hashtable, StringValuePtr(key),
plugin_script_str2ptr (weechat_ruby_plugin,
NULL, NULL,
StringValuePtr(value)));
}
}
return 0;
}
/*
* Gets WeeChat hashtable with ruby hashtable.
*
* Note: hashtable must be freed after use.
*/
struct t_hashtable *
weechat_ruby_hash_to_hashtable (VALUE hash, int size, const char *type_keys,
const char *type_values)
{
struct t_hashtable *hashtable;
hashtable = weechat_hashtable_new (size,
type_keys,
type_values,
NULL,
NULL);
if (!hashtable)
return NULL;
rb_hash_foreach (hash, &weechat_ruby_hash_foreach_cb,
(unsigned long)hashtable);
return hashtable;
}
/*
* Used to protect a function call.
*/
static VALUE
protect_funcall0 (VALUE arg)
{
return rb_funcall2 (((protect_call_arg_t *)arg)->recv,
((protect_call_arg_t *)arg)->mid,
((protect_call_arg_t *)arg)->argc,
((protect_call_arg_t *)arg)->argv);
}
/*
* Calls function in protected mode.
*/
VALUE
rb_protect_funcall (VALUE recv, ID mid, int *state, int argc, VALUE *argv)
{
struct protect_call_arg arg;
arg.recv = recv;
arg.mid = mid;
arg.argc = argc;
arg.argv = argv;
return rb_protect (protect_funcall0, (VALUE) &arg, state);
}
/*
* Displays ruby exception.
*/
int
weechat_ruby_print_exception (VALUE err)
{
VALUE backtrace, tmp1, tmp2, tmp3;
int i;
int ruby_error;
char* line;
char* cline;
char* err_msg;
char* err_class;
backtrace = rb_protect_funcall (err, rb_intern("backtrace"),
&ruby_error, 0, NULL);
tmp1 = rb_protect_funcall(err, rb_intern("message"), &ruby_error, 0, NULL);
err_msg = StringValueCStr(tmp1);
tmp2 = rb_protect_funcall(rb_protect_funcall(err, rb_intern("class"),
&ruby_error, 0, NULL),
rb_intern("name"), &ruby_error, 0, NULL);
err_class = StringValuePtr(tmp2);
if (strcmp (err_class, "SyntaxError") == 0)
{
tmp3 = rb_inspect(err);
weechat_printf (NULL,
weechat_gettext ("%s%s: error: %s"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
StringValuePtr(tmp3));
}
else
{
for (i = 0; i < RARRAY_LEN(backtrace); i++)
{
line = StringValuePtr(RARRAY_PTR(backtrace)[i]);
cline = NULL;
if (i == 0)
{
cline = (char *)calloc (strlen (line) + 2 + strlen (err_msg) +
3 + strlen (err_class) + 1,
sizeof (char));
if (cline)
{
strcat (cline, line);
strcat (cline, ": ");
strcat (cline, err_msg);
strcat (cline, " (");
strcat (cline, err_class);
strcat (cline, ")");
}
}
else
{
cline = (char *)calloc(strlen (line) + strlen (" from ") + 1,
sizeof (char));
if (cline)
{
strcat (cline, " from ");
strcat (cline, line);
}
}
if (cline)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: error: %s"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
cline);
}
if (cline)
free (cline);
}
}
return 0;
}
/*
* Executes a ruby function.
*/
void *
weechat_ruby_exec (struct t_plugin_script *script,
int ret_type, const char *function,
const char *format, void **argv)
{
VALUE rc, err;
int ruby_error, i, argc, *ret_i;
VALUE argv2[16];
void *ret_value;
struct t_plugin_script *old_ruby_current_script;
old_ruby_current_script = ruby_current_script;
ruby_current_script = script;
argc = 0;
if (format && format[0])
{
argc = strlen (format);
for (i = 0; i < argc; i++)
{
switch (format[i])
{
case 's': /* string */
argv2[i] = rb_str_new2 ((char *)argv[i]);
break;
case 'i': /* integer */
argv2[i] = INT2FIX (*((int *)argv[i]));
break;
case 'h': /* hash */
argv2[i] = weechat_ruby_hashtable_to_hash (argv[i]);
break;
}
}
}
if (argc > 0)
{
rc = rb_protect_funcall ((VALUE) script->interpreter,
rb_intern(function),
&ruby_error, argc, argv2);
}
else
{
rc = rb_protect_funcall ((VALUE) script->interpreter,
rb_intern(function),
&ruby_error, 0, NULL);
}
if (ruby_error)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: unable to run function \"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, function);
err = rb_gv_get("$!");
weechat_ruby_print_exception(err);
return NULL;
}
if ((TYPE(rc) == T_STRING) && (ret_type == WEECHAT_SCRIPT_EXEC_STRING))
{
if (StringValuePtr (rc))
ret_value = strdup (StringValuePtr (rc));
else
ret_value = NULL;
}
else if ((TYPE(rc) == T_FIXNUM) && (ret_type == WEECHAT_SCRIPT_EXEC_INT))
{
ret_i = malloc (sizeof (*ret_i));
if (ret_i)
*ret_i = NUM2INT(rc);
ret_value = ret_i;
}
else if (ret_type == WEECHAT_SCRIPT_EXEC_HASHTABLE)
{
ret_value = weechat_ruby_hash_to_hashtable (rc,
WEECHAT_SCRIPT_HASHTABLE_DEFAULT_SIZE,
WEECHAT_HASHTABLE_STRING,
WEECHAT_HASHTABLE_STRING);
}
else
{
weechat_printf (NULL,
weechat_gettext ("%s%s: function \"%s\" must return a "
"valid value"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, function);
ruby_current_script = old_ruby_current_script;
return WEECHAT_RC_OK;
}
if (ret_value == NULL)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: not enough memory in function "
"\"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, function);
ruby_current_script = old_ruby_current_script;
return NULL;
}
ruby_current_script = old_ruby_current_script;
return ret_value;
}
/*
* Redirection for stdout and stderr.
*/
static VALUE
weechat_ruby_output (VALUE self, VALUE str)
{
if (ruby_hide_errors)
return Qnil;
char *msg, *p, *m;
/* make C compiler happy */
(void) self;
msg = strdup(StringValuePtr(str));
m = msg;
while ((p = strchr (m, '\n')) != NULL)
{
*p = '\0';
if (strlen (m) + strlen (ruby_buffer_output) > 0)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: stdout/stderr: %s%s"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
ruby_buffer_output, m);
}
*p = '\n';
ruby_buffer_output[0] = '\0';
m = ++p;
}
if (strlen(m) + strlen(ruby_buffer_output) > sizeof(ruby_buffer_output))
{
weechat_printf (NULL,
weechat_gettext ("%s%s: stdout/stderr: %s%s"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
ruby_buffer_output, m);
ruby_buffer_output[0] = '\0';
}
else
strcat (ruby_buffer_output, m);
if (msg)
free (msg);
return Qnil;
}
/*
* Function used for compatibility.
*/
static VALUE
weechat_ruby_output_flush (VALUE self)
{
/* make C compiler happy */
(void) self;
return Qnil;
}
/*
* Loads a ruby script.
*
* Returns:
* 1: OK
* 0: error
*/
int
weechat_ruby_load (const char *filename)
{
char modname[64];
VALUE curModule, ruby_retcode, err, argv[1];
int ruby_error;
struct stat buf;
if (stat (filename, &buf) != 0)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: script \"%s\" not found"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, filename);
return 0;
}
if ((weechat_ruby_plugin->debug >= 2) || !ruby_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: loading script \"%s\""),
RUBY_PLUGIN_NAME, filename);
}
ruby_current_script = NULL;
ruby_registered_script = NULL;
snprintf (modname, sizeof(modname), "%s%d", MOD_NAME_PREFIX, ruby_num);
ruby_num++;
curModule = rb_define_module(modname);
ruby_current_script_filename = filename;
argv[0] = rb_str_new2 (filename);
ruby_retcode = rb_protect_funcall (curModule, rb_intern("load_eval_file"),
&ruby_error, 1, argv);
if (ruby_retcode == Qnil)
{
err = rb_gv_get("$!");
weechat_ruby_print_exception(err);
return 0;
}
if (NUM2INT(ruby_retcode) != 0)
{
switch (NUM2INT(ruby_retcode))
{
case 1:
weechat_printf (NULL,
weechat_gettext ("%s%s: unable to read file "
"\"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
filename);
break;
case 2:
weechat_printf (NULL,
weechat_gettext ("%s%s: error while loading "
"file \"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
filename);
break;
case 3:
weechat_printf (NULL,
weechat_gettext ("%s%s: function "
"\"weechat_init\" is missing "
"in file \"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME,
filename);
break;
}
if (NUM2INT(ruby_retcode) == 1 || NUM2INT(ruby_retcode) == 2)
{
weechat_ruby_print_exception(rb_iv_get(curModule, "@load_eval_file_error"));
}
return 0;
}
(void) rb_protect_funcall (curModule, rb_intern("weechat_init"),
&ruby_error, 0, NULL);
if (ruby_error)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: unable to eval function "
"\"weechat_init\" in file \"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, filename);
err = rb_gv_get("$!");
weechat_ruby_print_exception(err);
if (ruby_current_script != NULL)
{
plugin_script_remove (weechat_ruby_plugin,
&ruby_scripts, &last_ruby_script,
ruby_current_script);
}
return 0;
}
if (!ruby_registered_script)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: function \"register\" not "
"found (or failed) in file \"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, filename);
return 0;
}
ruby_current_script = ruby_registered_script;
ruby_current_script->interpreter = (VALUE *) curModule;
rb_gc_register_address (ruby_current_script->interpreter);
/*
* set input/close callbacks for buffers created by this script
* (to restore callbacks after upgrade)
*/
plugin_script_set_buffer_callbacks (weechat_ruby_plugin,
ruby_scripts,
ruby_current_script,
&weechat_ruby_api_buffer_input_data_cb,
&weechat_ruby_api_buffer_close_cb);
weechat_hook_signal_send ("ruby_script_loaded", WEECHAT_HOOK_SIGNAL_STRING,
ruby_current_script->filename);
return 1;
}
/*
* Callback for weechat_script_auto_load() function.
*/
void
weechat_ruby_load_cb (void *data, const char *filename)
{
/* make C compiler happy */
(void) data;
weechat_ruby_load (filename);
}
/*
* Unloads a ruby script.
*/
void
weechat_ruby_unload (struct t_plugin_script *script)
{
int *rc;
void *interpreter;
char *filename;
if ((weechat_ruby_plugin->debug >= 2) || !ruby_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: unloading script \"%s\""),
RUBY_PLUGIN_NAME, script->name);
}
if (script->shutdown_func && script->shutdown_func[0])
{
rc = (int *)weechat_ruby_exec (script,
WEECHAT_SCRIPT_EXEC_INT,
script->shutdown_func,
0, NULL);
if (rc)
free (rc);
}
filename = strdup (script->filename);
interpreter = script->interpreter;
if (ruby_current_script == script)
ruby_current_script = (ruby_current_script->prev_script) ?
ruby_current_script->prev_script : ruby_current_script->next_script;
plugin_script_remove (weechat_ruby_plugin, &ruby_scripts, &last_ruby_script,
script);
if (interpreter)
rb_gc_unregister_address (interpreter);
weechat_hook_signal_send ("ruby_script_unloaded",
WEECHAT_HOOK_SIGNAL_STRING, filename);
if (filename)
free (filename);
}
/*
* Unloads a ruby script by name.
*/
void
weechat_ruby_unload_name (const char *name)
{
struct t_plugin_script *ptr_script;
ptr_script = plugin_script_search (weechat_ruby_plugin, ruby_scripts, name);
if (ptr_script)
{
weechat_ruby_unload (ptr_script);
if (!ruby_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: script \"%s\" unloaded"),
RUBY_PLUGIN_NAME, name);
}
}
else
{
weechat_printf (NULL,
weechat_gettext ("%s%s: script \"%s\" not loaded"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, name);
}
}
/*
* Reloads a ruby script by name.
*/
void
weechat_ruby_reload_name (const char *name)
{
struct t_plugin_script *ptr_script;
char *filename;
ptr_script = plugin_script_search (weechat_ruby_plugin, ruby_scripts, name);
if (ptr_script)
{
filename = strdup (ptr_script->filename);
if (filename)
{
weechat_ruby_unload (ptr_script);
if (!ruby_quiet)
{
weechat_printf (NULL,
weechat_gettext ("%s: script \"%s\" unloaded"),
RUBY_PLUGIN_NAME, name);
}
weechat_ruby_load (filename);
free (filename);
}
}
else
{
weechat_printf (NULL,
weechat_gettext ("%s%s: script \"%s\" not loaded"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, name);
}
}
/*
* Unloads all ruby scripts.
*/
void
weechat_ruby_unload_all ()
{
while (ruby_scripts)
{
weechat_ruby_unload (ruby_scripts);
}
}
/*
* Callback for command "/ruby".
*/
int
weechat_ruby_command_cb (void *data, struct t_gui_buffer *buffer,
int argc, char **argv, char **argv_eol)
{
char *ptr_name, *path_script;
/* make C compiler happy */
(void) data;
(void) buffer;
if (argc == 1)
{
plugin_script_display_list (weechat_ruby_plugin, ruby_scripts,
NULL, 0);
}
else if (argc == 2)
{
if (weechat_strcasecmp (argv[1], "list") == 0)
{
plugin_script_display_list (weechat_ruby_plugin, ruby_scripts,
NULL, 0);
}
else if (weechat_strcasecmp (argv[1], "listfull") == 0)
{
plugin_script_display_list (weechat_ruby_plugin, ruby_scripts,
NULL, 1);
}
else if (weechat_strcasecmp (argv[1], "autoload") == 0)
{
plugin_script_auto_load (weechat_ruby_plugin, &weechat_ruby_load_cb);
}
else if (weechat_strcasecmp (argv[1], "reload") == 0)
{
weechat_ruby_unload_all ();
plugin_script_auto_load (weechat_ruby_plugin, &weechat_ruby_load_cb);
}
else if (weechat_strcasecmp (argv[1], "unload") == 0)
{
weechat_ruby_unload_all ();
}
}
else
{
if (weechat_strcasecmp (argv[1], "list") == 0)
{
plugin_script_display_list (weechat_ruby_plugin, ruby_scripts,
argv_eol[2], 0);
}
else if (weechat_strcasecmp (argv[1], "listfull") == 0)
{
plugin_script_display_list (weechat_ruby_plugin, ruby_scripts,
argv_eol[2], 1);
}
else if ((weechat_strcasecmp (argv[1], "load") == 0)
|| (weechat_strcasecmp (argv[1], "reload") == 0)
|| (weechat_strcasecmp (argv[1], "unload") == 0))
{
ptr_name = argv_eol[2];
if (strncmp (ptr_name, "-q ", 3) == 0)
{
ruby_quiet = 1;
ptr_name += 3;
while (ptr_name[0] == ' ')
{
ptr_name++;
}
}
if (weechat_strcasecmp (argv[1], "load") == 0)
{
/* load ruby script */
path_script = plugin_script_search_path (weechat_ruby_plugin,
ptr_name);
weechat_ruby_load ((path_script) ? path_script : ptr_name);
if (path_script)
free (path_script);
}
else if (weechat_strcasecmp (argv[1], "reload") == 0)
{
/* reload one ruby script */
weechat_ruby_reload_name (ptr_name);
}
else if (weechat_strcasecmp (argv[1], "unload") == 0)
{
/* unload ruby script */
weechat_ruby_unload_name (ptr_name);
}
ruby_quiet = 0;
}
else
{
weechat_printf (NULL,
weechat_gettext ("%s%s: unknown option for "
"command \"%s\""),
weechat_prefix ("error"), RUBY_PLUGIN_NAME, "ruby");
}
}
return WEECHAT_RC_OK;
}
/*
* Adds ruby scripts to completion list.
*/
int
weechat_ruby_completion_cb (void *data, const char *completion_item,
struct t_gui_buffer *buffer,
struct t_gui_completion *completion)
{
/* make C compiler happy */
(void) data;
(void) completion_item;
(void) buffer;
plugin_script_completion (weechat_ruby_plugin, completion, ruby_scripts);
return WEECHAT_RC_OK;
}
/*
* Returns hdata for ruby scripts.
*/
struct t_hdata *
weechat_ruby_hdata_cb (void *data, const char *hdata_name)
{
/* make C compiler happy */
(void) data;
return plugin_script_hdata_script (weechat_plugin,
&ruby_scripts, &last_ruby_script,
hdata_name);
}
/*
* Returns infolist with ruby scripts.
*/
struct t_infolist *
weechat_ruby_infolist_cb (void *data, const char *infolist_name,
void *pointer, const char *arguments)
{
/* make C compiler happy */
(void) data;
if (!infolist_name || !infolist_name[0])
return NULL;
if (weechat_strcasecmp (infolist_name, "ruby_script") == 0)
{
return plugin_script_infolist_list_scripts (weechat_ruby_plugin,
ruby_scripts, pointer,
arguments);
}
return NULL;
}
/*
* Dumps ruby plugin data in WeeChat log file.
*/
int
weechat_ruby_signal_debug_dump_cb (void *data, const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) data;
(void) signal;
(void) type_data;
if (!signal_data
|| (weechat_strcasecmp ((char *)signal_data, RUBY_PLUGIN_NAME) == 0))
{
plugin_script_print_log (weechat_ruby_plugin, ruby_scripts);
}
return WEECHAT_RC_OK;
}
/*
* Callback called when a buffer is closed.
*/
int
weechat_ruby_signal_buffer_closed_cb (void *data, const char *signal,
const char *type_data, void *signal_data)
{
/* make C compiler happy */
(void) data;
(void) signal;
(void) type_data;
if (signal_data)
plugin_script_remove_buffer_callbacks (ruby_scripts, signal_data);
return WEECHAT_RC_OK;
}
/*
* Timer for executing actions.
*/
int
weechat_ruby_timer_action_cb (void *data, int remaining_calls)
{
/* make C compiler happy */
(void) remaining_calls;
if (data)
{
if (data == &ruby_action_install_list)
{
plugin_script_action_install (weechat_ruby_plugin,
ruby_scripts,
&weechat_ruby_unload,
&weechat_ruby_load,
&ruby_quiet,
&ruby_action_install_list);
}
else if (data == &ruby_action_remove_list)
{
plugin_script_action_remove (weechat_ruby_plugin,
ruby_scripts,
&weechat_ruby_unload,
&ruby_quiet,
&ruby_action_remove_list);
}
else if (data == &ruby_action_autoload_list)
{
plugin_script_action_autoload (weechat_ruby_plugin,
&ruby_quiet,
&ruby_action_autoload_list);
}
}
return WEECHAT_RC_OK;
}
/*
* Callback called when a script action is asked (install/remove a script).
*/
int
weechat_ruby_signal_script_action_cb (void *data, const char *signal,
const char *type_data,
void *signal_data)
{
/* make C compiler happy */
(void) data;
if (strcmp (type_data, WEECHAT_HOOK_SIGNAL_STRING) == 0)
{
if (strcmp (signal, "ruby_script_install") == 0)
{
plugin_script_action_add (&ruby_action_install_list,
(const char *)signal_data);
weechat_hook_timer (1, 0, 1,
&weechat_ruby_timer_action_cb,
&ruby_action_install_list);
}
else if (strcmp (signal, "ruby_script_remove") == 0)
{
plugin_script_action_add (&ruby_action_remove_list,
(const char *)signal_data);
weechat_hook_timer (1, 0, 1,
&weechat_ruby_timer_action_cb,
&ruby_action_remove_list);
}
else if (strcmp (signal, "ruby_script_autoload") == 0)
{
plugin_script_action_add (&ruby_action_autoload_list,
(const char *)signal_data);
weechat_hook_timer (1, 0, 1,
&weechat_ruby_timer_action_cb,
&ruby_action_autoload_list);
}
}
return WEECHAT_RC_OK;
}
/*
* Initializes ruby plugin.
*/
int
weechat_plugin_init (struct t_weechat_plugin *plugin, int argc, char *argv[])
{
struct t_plugin_script_init init;
int ruby_error;
char *weechat_ruby_code =
{
"$stdout = WeechatOutputs\n"
"$stderr = WeechatOutputs\n"
"begin"
" if RUBY_VERSION.split('.')[1] == '9'\n"
" require 'enc/encdb.so'\n"
" require 'enc/trans/transdb.so'\n"
"\n"
" require 'thread'\n"
" class ::Mutex\n"
" def synchronize(*args)\n"
" yield\n"
" end\n"
" end\n"
" require 'rubygems'\n"
" else\n"
" require 'rubygems'\n"
" end\n"
"rescue LoadError\n"
"end\n"
"\n"
"class Module\n"
"\n"
" def load_eval_file (file)\n"
" lines = ''\n"
" begin\n"
" lines = File.read(file)\n"
" rescue => e\n"
" return 1\n"
" end\n"
"\n"
" begin\n"
" module_eval(lines)\n"
" rescue Exception => e\n"
" @load_eval_file_error = e\n"
" return 2\n"
" end\n"
"\n"
" has_init = false\n"
"\n"
" instance_methods.each do |meth|\n"
" if meth.to_s == 'weechat_init'\n"
" has_init = true\n"
" end\n"
" module_eval('module_function :' + meth.to_s)\n"
" end\n"
"\n"
" unless has_init\n"
" return 3\n"
" end\n"
"\n"
" return 0\n"
" end\n"
"end\n"
};
weechat_ruby_plugin = plugin;
ruby_error = 0;
/* init stdout/stderr buffer */
ruby_buffer_output[0] = '\0';
#if defined(RUBY_VERSION) && RUBY_VERSION >= 19
RUBY_INIT_STACK;
#endif
ruby_hide_errors = 1;
ruby_init ();
ruby_init_loadpath ();
ruby_script ("__weechat_plugin__");
ruby_mWeechat = rb_define_module("Weechat");
weechat_ruby_api_init (ruby_mWeechat);
/* redirect stdin and stdout */
ruby_mWeechatOutputs = rb_define_module("WeechatOutputs");
rb_define_singleton_method(ruby_mWeechatOutputs, "write",
weechat_ruby_output, 1);
rb_define_singleton_method(ruby_mWeechatOutputs, "puts",
weechat_ruby_output, 1);
rb_define_singleton_method(ruby_mWeechatOutputs, "p",
weechat_ruby_output, 1);
rb_define_singleton_method(ruby_mWeechatOutputs, "flush",
weechat_ruby_output_flush, 0);
ruby_hide_errors = 0;
rb_eval_string_protect(weechat_ruby_code, &ruby_error);
if (ruby_error)
{
weechat_printf (NULL,
weechat_gettext ("%s%s: unable to eval WeeChat ruby "
"internal code"),
weechat_prefix ("error"), RUBY_PLUGIN_NAME);
VALUE err = rb_gv_get("$!");
weechat_ruby_print_exception(err);
return WEECHAT_RC_ERROR;
}
init.callback_command = &weechat_ruby_command_cb;
init.callback_completion = &weechat_ruby_completion_cb;
init.callback_hdata = &weechat_ruby_hdata_cb;
init.callback_infolist = &weechat_ruby_infolist_cb;
init.callback_signal_debug_dump = &weechat_ruby_signal_debug_dump_cb;
init.callback_signal_buffer_closed = &weechat_ruby_signal_buffer_closed_cb;
init.callback_signal_script_action = &weechat_ruby_signal_script_action_cb;
init.callback_load_file = &weechat_ruby_load_cb;
ruby_quiet = 1;
plugin_script_init (weechat_ruby_plugin, argc, argv, &init);
ruby_quiet = 0;
plugin_script_display_short_list (weechat_ruby_plugin,
ruby_scripts);
/* init OK */
return WEECHAT_RC_OK;
}
/*
* Ends ruby plugin.
*/
int
weechat_plugin_end (struct t_weechat_plugin *plugin)
{
/* unload all scripts */
ruby_quiet = 1;
plugin_script_end (plugin, &ruby_scripts, &weechat_ruby_unload_all);
ruby_quiet = 0;
/*
* Do not cleanup ruby because this causes a crash when plugin is reloaded
* again. This causes a memory leak, but I don't know better solution to
* this problem :(
*/
/*ruby_cleanup (0);*/
/* free some data */
if (ruby_action_install_list)
free (ruby_action_install_list);
if (ruby_action_remove_list)
free (ruby_action_remove_list);
if (ruby_action_autoload_list)
free (ruby_action_autoload_list);
return WEECHAT_RC_OK;
}
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