actions.c
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/*
* "Software pw3270, desenvolvido com base nos códigos fontes do WC3270 e X3270
* (Paul Mattes Paul.Mattes@usa.net), de emulação de terminal 3270 para acesso a
* aplicativos mainframe. Registro no INPI sob o nome G3270. Registro no INPI sob o nome G3270.
*
* Copyright (C) <2008> <Banco do Brasil S.A.>
*
* Este programa é software livre. Você pode redistribuí-lo e/ou modificá-lo sob
* os termos da GPL v.2 - Licença Pública Geral GNU, conforme publicado pela
* Free Software Foundation.
*
* Este programa é distribuído na expectativa de ser útil, mas SEM QUALQUER
* GARANTIA; sem mesmo a garantia implícita de COMERCIALIZAÇÃO ou de ADEQUAÇÃO
* A QUALQUER PROPÓSITO EM PARTICULAR. Consulte a Licença Pública Geral GNU para
* obter mais detalhes.
*
* Você deve ter recebido uma cópia da Licença Pública Geral GNU junto com este
* programa; se não, escreva para a Free Software Foundation, Inc., 59 Temple
* Place, Suite 330, Boston, MA, 02111-1307, USA
*
* Este programa está nomeado como actions.c e possui - linhas de código.
*
* Contatos:
*
* perry.werneck@gmail.com (Alexandre Perry de Souza Werneck)
* erico.mendonca@gmail.com (Erico Mascarenhas Mendonça)
*
*/
#include <internals.h>
#include <lib3270/log.h>
#include <lib3270/trace.h>
#include <lib3270/actions.h>
#include <utilc.h>
struct lib3270_action_callback
{
LIB3270_LINKED_LIST_HEAD
void (*func)(H3270 *, void *); /**< @brief Function to call */
};
/*---[ Implement ]------------------------------------------------------------------------------------------------------------*/
const LIB3270_ACTION * lib3270_action_get_by_name(const char *name)
{
const LIB3270_ACTION * actions = lib3270_get_actions();
size_t f;
for(f=0; actions[f].name; f++)
{
if(!strcasecmp(name,actions[f].name))
return actions+f;
}
// Check only alphabetic and numeric (for compatibility)
for(f=0; actions[f].name; f++)
{
if(!lib3270_compare_alnum(name,actions[f].name))
return actions+f;
}
errno = ENOTSUP;
return NULL;
}
const LIB3270_ACTION * lib3270_get_action(const char *name) {
return lib3270_action_get_by_name(name);
}
LIB3270_EXPORT int lib3270_action_is_activatable(const LIB3270_ACTION *action, H3270 *hSession)
{
return action->activatable(hSession) > 0;
}
LIB3270_EXPORT int lib3270_action_activate(const LIB3270_ACTION *action, H3270 *hSession)
{
if(!action->activatable(hSession))
{
lib3270_write_event_trace(hSession,"Action \"%s\" is disabled\n",action->name);
return errno = EPERM;
}
lib3270_write_event_trace(hSession,"Activating action \"%s\"\n",action->name);
return action->activate(hSession);
}
LIB3270_EXPORT int lib3270_action_activate_by_name(const char *name, H3270 *hSession)
{
const LIB3270_ACTION *action = lib3270_action_get_by_name(name);
if(!action)
{
lib3270_write_event_trace(hSession,"Can't find action \"%s\"\n",name);
return errno;
}
return lib3270_action_activate(action, hSession);
}
LIB3270_EXPORT int lib3270_action(H3270 *hSession, const char *name)
{
return lib3270_action_activate_by_name(name,hSession);
}
LIB3270_EXPORT void lib3270_action_group_notify(H3270 *hSession, LIB3270_ACTION_GROUP group)
{
if(group < (sizeof(hSession->listeners.actions)/sizeof(hSession->listeners.actions[0])))
{
struct lib3270_linked_list_node * node;
for(node = hSession->listeners.actions[group].first; node; node = node->next)
{
((struct lib3270_action_callback *) node)->func(hSession,node->userdata);
}
}
}
LIB3270_EXPORT const void * lib3270_register_action_group_listener(H3270 *hSession, LIB3270_ACTION_GROUP group, void (*func)(H3270 *, void *),void *data)
{
if(group < (sizeof(hSession->listeners.actions)/sizeof(hSession->listeners.actions[0])))
{
struct lib3270_action_callback *st = (struct lib3270_action_callback *) lib3270_linked_list_append_node(&hSession->listeners.actions[group], sizeof(struct lib3270_action_callback), data);
st->func = func;
return (void *) st;
}
return NULL;
}
LIB3270_EXPORT int lib3270_unregister_action_group_listener(H3270 *hSession, LIB3270_ACTION_GROUP group, const void *id)
{
if(group < (sizeof(hSession->listeners.actions)/sizeof(hSession->listeners.actions[0])))
return lib3270_linked_list_delete_node(&hSession->listeners.actions[group], id);
return errno = EINVAL;
}