mixguile_cmd_dispatcher.c

汇编语言编程源代码

/* -*-c-*- -------------- mixguile_cmd_dispatcher.c :
 * Implementation of the functions declared in mixguile_cmd_dispatcher.h
 * ------------------------------------------------------------------
 *  Last change: Time-stamp: "01/08/22 02:29:34 jao"
 * ------------------------------------------------------------------
 * Copyright (C) 2001 Free Software Foundation, Inc.
 *  
 * 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 <stdio.h>
#include <unistd.h>
#include <fcntl.h>
#include <errno.h>

#include <guile/gh.h>
#include "mixguile.h"
#include "xmixguile_cmd_dispatcher.h"

#define SCM_CMD  "scm"
#define SCMF_CMD "scmf"

/*local commands */
static gboolean
cmd_scm_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg)
{
  (void) gh_eval_str_with_catch ((char *)arg, scm_handle_by_message_noexit);
  return TRUE;
}

static gboolean
cmd_scmf_ (mix_vm_cmd_dispatcher_t *dis, const gchar *arg)
{
  (void) gh_eval_file_with_catch ((char *)arg, scm_handle_by_message_noexit);
  return TRUE;
}

static mix_vm_command_info_t commands_[] = {
  { SCM_CMD, cmd_scm_, N_("Eval Scheme command using Guile"), "scm COMMAND"},
  { SCMF_CMD, cmd_scmf_, N_("Eval Scheme file using Guile"), "scm PATH"},
  {NULL}
};
  
/* create/destroy cmd dispatcher */
mixguile_cmd_dispatcher_t *
mixguile_cmd_dispatcher_new (mix_vm_cmd_dispatcher_t *dis)
{
  static gboolean REGISTERED = FALSE;
  mixguile_cmd_dispatcher_t *result = NULL;
  int k = 0;
  
  g_return_val_if_fail (dis != NULL, NULL);
  
  if (!REGISTERED)
    {
      register_scm_commands_ (DEFAULT_SCM_COMMANDS_);
      REGISTERED = TRUE;
    }

  result = g_new (mixguile_cmd_dispatcher_t, 1);
  result->dispatcher = dis;
  
  while (commands_[k].name)
    {
      mix_vm_cmd_dispatcher_register_new (dis, commands_ + k);
      ++k;
    }
  
  register_cmd_dispatcher_ (result);
  
  return result;
}


void
mixguile_cmd_dispatcher_delete (mixguile_cmd_dispatcher_t *dis)
{
  g_return_if_fail (dis != NULL);
  mix_vm_cmd_dispatcher_delete (dis->dispatcher);
}

/* get the underlying vm dispatcher */
mix_vm_cmd_dispatcher_t *
mixguile_cmd_dispatcher_get_vm_dispatcher (const mixguile_cmd_dispatcher_t *dis)
{
  g_return_val_if_fail (dis != NULL, NULL);
  return dis->dispatcher;
}

void
mixguile_cmd_dispatcher_interpret_file (mixguile_cmd_dispatcher_t *dis,
					const gchar *path)
{
  g_return_if_fail (dis != NULL);
  g_return_if_fail (path != NULL);
  mix_vm_cmd_dispatcher_dispatch_split_text (dis->dispatcher,
					     SCMF_CMD, path);
}

void
mixguile_cmd_dispatcher_interpret_command (mixguile_cmd_dispatcher_t *dis,
					   const gchar *command)
{
  g_return_if_fail (dis != NULL);
  g_return_if_fail (command != NULL);
  mix_vm_cmd_dispatcher_dispatch_split_text (dis->dispatcher,
					     SCM_CMD, command);
}