C++ (Cpp) node_split_prefix Beispiele

Beispiel #1

Datei: wordsplit.c Projekt: mogaal/direvent

static int
node_expand (struct wordsplit *wsp, struct wordsplit_node *node,
	     int (*beg_p) (int),
	     int (*ws_exp_fn) (struct wordsplit *wsp,
			       const char *str, size_t len,
			       struct wordsplit_node **ptail,
			       const char **pend,
			       int flg))
{
  const char *str = wsnode_ptr (wsp, node);
  size_t slen = wsnode_len (node);
  const char *end = str + slen;
  const char *p;
  size_t off = 0;
  struct wordsplit_node *tail = node;

  for (p = str; p < end; p++)
    {
      if (*p == '\\')
	{
	  p++;
	  continue;
	}
      if (*p == '$' && beg_p (p[1]))
	{
	  size_t n = p - str;

	  if (tail != node)
	    tail->flags |= _WSNF_JOIN;
	  if (node_split_prefix (wsp, &tail, node, off, n, _WSNF_JOIN))
	    return 1;
	  p++;
	  if (ws_exp_fn (wsp, p, slen - n, &tail, &p,
			 node->flags & (_WSNF_JOIN | _WSNF_QUOTE)))
	    return 1;
	  off += p - str + 1;
	  str = p + 1;
	}
    }
  if (p > str)
    {
      if (tail != node)
	tail->flags |= _WSNF_JOIN;
      if (node_split_prefix (wsp, &tail, node, off, p - str,
			     node->flags & (_WSNF_JOIN|_WSNF_QUOTE)))
	return 1;
    }
  if (tail != node)
    {
      wsnode_remove (wsp, node);
      wsnode_free (node);
    }
  return 0;
}

Beispiel #2

static int
node_expand_vars (struct wordsplit *wsp, struct wordsplit_node *node)
{
  const char *str = wsnode_ptr (wsp, node);
  size_t slen = wsnode_len (node);
  const char *end = str + slen;
  const char *p;
  size_t off = 0;
  struct wordsplit_node *tail = node;

  for (p = str; p < end; p++)
    {
      if (*p == '\\')
	{
	  p++;
	  continue;
	}
      if (*p == '$')
	{
	  size_t n = p - str;

	  if (tail != node)
	    tail->flags |= _WSNF_JOIN;
	  if (node_split_prefix (wsp, &tail, node, off, n, _WSNF_JOIN))
	    return 1;
	  p++;
	  if (expvar (wsp, p, slen - n, &tail, &p,
		      node->flags & (_WSNF_JOIN | _WSNF_QUOTE)))
	    return 1;
	  off += p - str + 1;
	  str = p + 1;
	}
    }
  if (p > str)
    {
      if (tail != node)
	tail->flags |= _WSNF_JOIN;
      if (node_split_prefix (wsp, &tail, node, off, p - str,
			     node->flags & _WSNF_JOIN))
	return 1;
    }
  if (tail != node)
    {
      wsnode_remove (wsp, node);
      wsnode_free (node);
    }
  return 0;
}