input.c

来自「君正早期ucos系统(只有早期的才不没有打包成库),MPLAYER,文件系统,图」· C语言 代码 · 共 1,860 行 · 第 1/4 页

  } else if(len > 2 && strncasecmp("0x",name,2) == 0)
    return strtol(name,NULL,16);

  for(i = 0; key_names[i].name != NULL; i++) {
    if(strcasecmp(key_names[i].name,name) == 0)
      return key_names[i].key;
  }

  return -1;
}

static int
mp_input_get_input_from_name(char* name,int* keys) {
  char *end,*ptr;
  int n=0;

  ptr = name;
  n = 0;
  for(end = strchr(ptr,'-') ; ptr != NULL ; end = strchr(ptr,'-')) {
    if(end && end[1] != '\0') {
      if(end[1] == '-')
	end = &end[1];
      end[0] = '\0';
    }
    keys[n] = mp_input_get_key_from_name(ptr);
    if(keys[n] < 0) {
      return 0;
    }
    n++;
    if(end && end[1] != '\0' && n < MP_MAX_KEY_DOWN)
      ptr = &end[1];
    else
      break;
  }
  keys[n] = 0;
  return 1;
}

#define BS_MAX 256
#define SPACE_CHAR " \n\r\t"

void
mp_input_bind_keys(int keys[MP_MAX_KEY_DOWN+1], char* cmd) {
  #if 0
  int i = 0,j;
  mp_cmd_bind_t* bind = NULL;
  mp_cmd_bind_section_t* bind_section = NULL;
  char *section=NULL, *p;

#ifdef MP_DEBUG
  assert(keys != NULL);
  assert(cmd != NULL);
#endif

  if(*cmd=='{' && (p=strchr(cmd,'}'))) {
    *p=0;
    section=++cmd;
    cmd=++p;
    // Jump beginning space
    for(  ; cmd[0] != '\0' && strchr(SPACE_CHAR,cmd[0]) != NULL ; cmd++)
      /* NOTHING */;
  }
  bind_section=mp_input_get_bind_section(section);

  if(bind_section->cmd_binds) {
    for(i = 0; bind_section->cmd_binds[i].cmd != NULL ; i++) {
      for(j = 0 ; bind_section->cmd_binds[i].input[j] == keys[j]  && keys[j] != 0 ; j++)
	/* NOTHING */;
      if(keys[j] == 0 && bind_section->cmd_binds[i].input[j] == 0 ) {
	bind = &bind_section->cmd_binds[i];
	break;
      }
    }
  }
  
  if(!bind) {
    bind_section->cmd_binds = (mp_cmd_bind_t*)realloc(bind_section->cmd_binds,(i+2)*sizeof(mp_cmd_bind_t));
    memset(&bind_section->cmd_binds[i],0,2*sizeof(mp_cmd_bind_t));
    bind = &bind_section->cmd_binds[i];
  }
  if(bind->cmd)
    free(bind->cmd);
  bind->cmd = strdup(cmd);
  memcpy(bind->input,keys,(MP_MAX_KEY_DOWN+1)*sizeof(int));
  #endif
}

void
mp_input_add_binds(mp_cmd_bind_t* list) {
  #if 0
  int i;
  for(i = 0 ; list[i].cmd ; i++)
    mp_input_bind_keys(list[i].input,list[i].cmd);
  #endif 
}

static void
mp_input_free_binds(mp_cmd_bind_t* binds) {

  int i;

  if(!binds)
    return;

  for(i = 0; binds[i].cmd != NULL; i++)
    free(binds[i].cmd);

  free(binds);

}
  
static int
mp_input_parse_config(char *file) {
#if 0
  int fd;
  int bs = 0,r,eof = 0,comments = 0;
  char *iter,*end;
  char buffer[BS_MAX];
  int n_binds = 0, keys[MP_MAX_KEY_DOWN+1] = { 0 };

  fd = open(file,O_RDONLY);

  if(fd < 0) {
    mp_msg(MSGT_INPUT,MSGL_V,"Can't open input config file %s: %s\n",file,strerror(errno));
    return 0;
  }

  mp_msg(MSGT_INPUT,MSGL_V,"Parsing input config file %s\n",file);

  while(1) {
    if(! eof && bs < BS_MAX-1) {
      if(bs > 0) bs--;
      r = read(fd,buffer+bs,BS_MAX-1-bs);
      if(r < 0) {
	if(errno == EINTR)
	  continue;
	mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrReadingInputConfig,file,strerror(errno));
	close(fd);
	return 0;
      } else if(r == 0) {
	eof = 1;
      } else {
	bs += r+1;
	buffer[bs-1] = '\0';
      }
    }
    // Empty buffer : return
    if(bs <= 1) {
      mp_msg(MSGT_INPUT,MSGL_V,"Input config file %s parsed: %d binds\n",file,n_binds);
      close(fd);
      return 1;
    }

    iter = buffer;

    if(comments) {
      for( ; iter[0] != '\0' && iter[0] != '\n' ; iter++)
	/* NOTHING */;
      if(iter[0] == '\0') { // Buffer was full of comment
	bs = 0;
	continue;
      }
      iter++;
      r = strlen(iter);
      if(r)
	memmove(buffer,iter,r+1);
      bs = r+1;
      if(iter[0] != '#')
	comments = 0;
      continue;
    }

    // Find the wanted key
    if(keys[0] == 0) {
      // Jump beginning space
      for(  ; iter[0] != '\0' && strchr(SPACE_CHAR,iter[0]) != NULL ; iter++)
	/* NOTHING */;
      if(iter[0] == '\0') { // Buffer was full of space char
	bs = 0;
	continue;
      }
      if(iter[0] == '#') { // Comments
	comments = 1;
	continue;
      }
      // Find the end of the key code name
      for(end = iter; end[0] != '\0' && strchr(SPACE_CHAR,end[0]) == NULL ; end++)
	/*NOTHING */;
      if(end[0] == '\0') { // Key name doesn't fit in the buffer
	if(buffer == iter) {
	  if(eof && (buffer-iter) == bs)
	    mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrUnfinishedBinding,iter);
	  else
	    mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrBuffer2SmallForKeyName,iter);
	  return 0;
	}
	memmove(buffer,iter,end-iter);
	bs = end-iter;
	continue;
      }
      {
	char name[end-iter+1];
	strncpy(name,iter,end-iter);
	name[end-iter] = '\0';
	if(! mp_input_get_input_from_name(name,keys)) {
	  mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrUnknownKey,name);
	  close(fd);
	  return 0;
	}
      }
      if( bs > (end-buffer))
	memmove(buffer,end,bs - (end-buffer));
      bs -= end-buffer;
      continue;
    } else { // Get the command
      while(iter[0] == ' ' || iter[0] == '\t') iter++;
      // Found new line
      if(iter[0] == '\n' || iter[0] == '\r') {
	int i;
	mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrNoCmdForKey,mp_input_get_key_name(keys[0]));
	for(i = 1; keys[i] != 0 ; i++)
	  mp_msg(MSGT_INPUT,MSGL_ERR,"-%s",mp_input_get_key_name(keys[i]));
	mp_msg(MSGT_INPUT,MSGL_ERR,"\n");
	keys[0] = 0;
	if(iter > buffer) {
	  memmove(buffer,iter,bs- (iter-buffer));
	  bs -= (iter-buffer);
	}
	continue;
      }
      for(end = iter ; end[0] != '\n' && end[0] != '\r' && end[0] != '\0' ; end++)
	/* NOTHING */;
      if(end[0] == '\0' && ! (eof && ((end+1) - buffer) == bs)) {
	if(iter == buffer) {
	  mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrBuffer2SmallForCmd,buffer);
	  close(fd);
	  return 0;
	}
	memmove(buffer,iter,end - iter);
	bs = end - iter;
	continue;
      }
      {
	char cmd[end-iter+1];
	strncpy(cmd,iter,end-iter);
	cmd[end-iter] = '\0';
	//printf("Set bind %d => %s\n",keys[0],cmd);
	mp_input_bind_keys(keys,cmd);
	n_binds++;
      }
      keys[0] = 0;
      end++;
      if(bs > (end-buffer))
	memmove(buffer,end,bs-(end-buffer));
      bs -= (end-buffer);
      buffer[bs-1] = '\0';
      continue;
    }
  }
  mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrWhyHere);
  close(fd);
  mp_input_set_section(NULL);
#endif
  return 0;
}

void
mp_input_set_section(char *name) {
  #if 0
  mp_cmd_bind_section_t* bind_section = NULL;

  cmd_binds=NULL;
  cmd_binds_default=NULL;
  if(section) free(section);
  if(name) section=strdup(name); else section=strdup("default");
  if((bind_section=mp_input_get_bind_section(section)))
    cmd_binds=bind_section->cmd_binds;
  if(strcmp(section,"default")==0) return;
  if((bind_section=mp_input_get_bind_section(NULL)))
    cmd_binds_default=bind_section->cmd_binds;
#endif
}

char*
mp_input_get_section(void) {
  return section;
}

void
mp_input_init(int use_gui) {
	#if 0
  char* file;

#ifdef HAVE_NEW_GUI  
  if(use_gui)
    mp_input_add_binds(gui_def_cmd_binds);
#endif
  
  file = config_file[0] != '/' ? get_path(config_file) : config_file;
  if(!file)
    return;
  
  if( !mp_input_parse_config(file)) {
    // free file if it was allocated by get_path(),
    // before it gets overwritten
    if( file != config_file)
    {
      free(file);
    }
    // Try global conf dir
    file = MPLAYER_CONFDIR "/input.conf";
    if(! mp_input_parse_config(file))
      mp_msg(MSGT_INPUT,MSGL_V,"Falling back on default (hardcoded) input config\n");
  }
  else
  {
    // free file if it was allocated by get_path()
    if( file != config_file)
      free(file);
  }

#ifdef HAVE_JOYSTICK
  if(use_joystick) {
    int fd = mp_input_joystick_init(js_dev);
    if(fd < 0)
      mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrCantInitJoystick);
    else
      mp_input_add_key_fd(fd,1,mp_input_joystick_read,(mp_close_func_t)close);
  }
#endif

#ifdef HAVE_LIRC
  if(use_lirc) {
    int fd = mp_input_lirc_init();
    if(fd > 0)
      mp_input_add_cmd_fd(fd,0,mp_input_lirc_read,mp_input_lirc_close);
  }
#endif

#ifdef HAVE_LIRCC
  if(use_lircc) {
    int fd = lircc_init("mplayer", NULL);
    if(fd >= 0)
      mp_input_add_cmd_fd(fd,1,NULL,(mp_close_func_t)lircc_cleanup);
  }
#endif

#ifdef HAVE_APPLE_REMOTE
  if(use_ar) {
    if(mp_input_ar_init() < 0)
      mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrCantInitAppleRemote);
    else
      mp_input_add_key_fd(-1,0,mp_input_ar_read,mp_input_ar_close);
  }
#endif
#if 0
  if(in_file) {
    struct stat st;
    if(stat(in_file,&st))
      mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrCantStatFile,in_file,strerror(errno));
    else {
      in_file_fd = open(in_file,S_ISFIFO(st.st_mode) ? O_RDWR : O_RDONLY);
      if(in_file_fd >= 0)
	mp_input_add_cmd_fd(in_file_fd,1,NULL,(mp_close_func_t)close);
      else
	mp_msg(MSGT_INPUT,MSGL_ERR,MSGTR_INPUT_INPUT_ErrCantOpenFile,in_file,strerror(errno));
    }
  }
#endif
#endif
}

void
mp_input_uninit(void) {
  #if 0
  unsigned int i;
  mp_cmd_bind_section_t* bind_section;

  for(i=0; i < num_key_fd; i++) {
    if(key_fds[i].close_func)
      key_fds[i].close_func(key_fds[i].fd);
  }

  for(i=0; i < num_cmd_fd; i++) {
    if(cmd_fds[i].close_func)
      cmd_fds[i].close_func(cmd_fds[i].fd);
  }
  while (cmd_binds_section) {
    mp_input_free_binds(cmd_binds_section->cmd_binds);
    free(cmd_binds_section->section);
    bind_section=cmd_binds_section->next;
    free(cmd_binds_section);
    cmd_binds_section=bind_section;
  }
  cmd_binds_section=NULL;
  #endif
}

void
mp_input_register_options(m_config_t* cfg) {
  //m_config_register_options(cfg,mp_input_opts);
}

static int mp_input_print_key_list(m_option_t* cfg) {
  int i;
  printf("\n");
  for(i= 0; key_names[i].name != NULL ; i++)
    printf("%s\n",key_names[i].name);
  exit(0);
}

static int mp_input_print_cmd_list(m_option_t* cfg) {
  #if 0
  mp_cmd_t *cmd;
  int i,j;
  const char* type;

  for(i = 0; (cmd = &mp_cmds[i])->name != NULL ; i++) {
    printf("%-20.20s",cmd->name);
    for(j= 0 ; j < MP_CMD_MAX_ARGS && cmd->args[j].type != -1 ; j++) {
      switch(cmd->args[j].type) {
      case MP_CMD_ARG_INT:
	type = "Integer";
	break;
      case MP_CMD_ARG_FLOAT:
	type = "Float";
	break;
      case MP_CMD_ARG_STRING:
	type = "String";
	break;
      default:
	type = "??";
      }
      if(j+1 > cmd->nargs)
	printf(" [%s]",type);
      else
	printf(" %s",type);
    }
    printf("\n");
  }
  exit(0);
  #endif
}

int
mp_input_check_interrupt(int time) {
 #if 0
  mp_cmd_t* cmd;
  if((cmd = mp_input_get_cmd(time,0,1)) == NULL)
    return 0;
  switch(cmd->id) {
  case MP_CMD_QUIT:
  case MP_CMD_PLAY_TREE_STEP:
  case MP_CMD_PLAY_TREE_UP_STEP:
  case MP_CMD_PLAY_ALT_SRC_STEP:
    // The cmd will be executed when we are back in the main loop
    return 1;
  }
  // remove the cmd from the queue
  cmd = mp_input_get_cmd(time,0,0);
  mp_cmd_free(cmd);
 #endif  
  return 0;
}