node_set.h

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/*
www.sourceforge.net/projects/tinyxpath
Copyright (c) 2002-2004 Yves Berquin (yvesb@users.sourceforge.net)

This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any
damages arising from the use of this software.

Permission is granted to anyone to use this software for any
purpose, including commercial applications, and to alter it and
redistribute it freely, subject to the following restrictions:

1. The origin of this software must not be misrepresented; you must
not claim that you wrote the original software. If you use this
software in a product, an acknowledgment in the product documentation
would be appreciated but is not required.

2. Altered source versions must be plainly marked as such, and
must not be misrepresented as being the original software.

3. This notice may not be removed or altered from any source
distribution.
*/

#ifndef __NODE_SET_H
#define __NODE_SET_H

#include "tinyxml.h"

namespace TinyXPath
{

class node_set
{
public :
   node_set () 
   {
      u_nb_node = 0; 
      vpp_node_set = NULL;
      op_attrib = NULL;
   }
   node_set (const node_set & ns2);
   ~ node_set ()
   {
      if (u_nb_node && vpp_node_set) 
         delete [] vpp_node_set;
      if (u_nb_node && op_attrib)
         delete [] op_attrib;
      u_nb_node = 0; 
      vpp_node_set = NULL;
      op_attrib = NULL;
   }

   node_set & operator = (const node_set & ns2);
   void v_add_base_in_set (const TiXmlBase * XBp_member, bool o_attrib);

   void v_add_attrib_in_set (const TiXmlAttribute * XAp_attrib)
   {
      v_add_base_in_set (XAp_attrib, true);
   }

   void v_add_node_in_set (const TiXmlNode * XNp_node)
   {
      v_add_base_in_set (XNp_node, false);
   }

   bool o_exist_in_set (const TiXmlBase * XBp_member);
   void v_add_all_foll_node (const TiXmlNode * XNp_node, const TIXML_STRING & S_name);
   void v_add_all_prec_node (const TiXmlNode * XNp_node, const TIXML_STRING & S_name);
   
   void v_add_node_in_set_if_name_or_star (const TiXmlNode * XNp_node, const TIXML_STRING & S_name)
   {
      bool o_keep;
      if (S_name == "*")
         o_keep = true;
      else
         o_keep = ! strcmp (XNp_node -> Value (), S_name . c_str ());
      if (o_keep)
         v_add_base_in_set (XNp_node, false);
   }

   void v_add_attrib_in_set_if_name_or_star (const TiXmlAttribute * XAp_attrib, const TIXML_STRING & S_name)
   {
      bool o_keep;
      if (S_name == "*")
         o_keep = true;
      else
         o_keep = ! strcmp (XAp_attrib -> Name (), S_name . c_str ());
      if (o_keep)
         v_add_base_in_set (XAp_attrib, true);
   }

   unsigned u_get_nb_node_in_set () const 
   {
      return u_nb_node;
   }

   const TiXmlBase * XBp_get_base_in_set (unsigned u_which) 
   {
      assert (u_which < u_nb_node);
      return (const TiXmlBase *) vpp_node_set [u_which];
   }

   const TiXmlNode * XNp_get_node_in_set (unsigned u_which) 
   {
      assert (u_which < u_nb_node);
      assert (! o_is_attrib (u_which));
      return (const TiXmlNode *) vpp_node_set [u_which];
   }

   const TiXmlAttribute * XAp_get_attribute_in_set (unsigned u_which) 
   {
      assert (u_which < u_nb_node);
      assert (o_is_attrib (u_which));
      return (const TiXmlAttribute *) vpp_node_set [u_which];
   }

   bool o_is_attrib (unsigned u_which)
   {
      assert (u_which < u_nb_node);
      return op_attrib [u_which];
   }

   TIXML_STRING S_get_value (unsigned u_which)
   {
      TIXML_STRING S_res;

      if (o_is_attrib (u_which))
         S_res = XAp_get_attribute_in_set (u_which) -> Value ();
      else
         S_res = XNp_get_node_in_set (u_which) -> Value ();
      return S_res;
   }

   int i_get_value (unsigned u_which)
   {
      return atoi (S_get_value (u_which) . c_str ());
   }

   double d_get_value (unsigned u_which)
   {
      return atof (S_get_value (u_which) . c_str ());
   }

   void v_copy_node_children (const TiXmlNode * XNp_root);
   void v_copy_node_children (const TiXmlNode * XNp_root, const char * cp_lookup);
   void v_copy_selected_node_recursive (const TiXmlNode * XNp_root);
   void v_copy_selected_node_recursive (const TiXmlNode * XNp_root, const char * cp_lookup);
   void v_copy_selected_node_recursive_no_attrib (const TiXmlNode * XNp_root, const char * cp_lookup);
   TIXML_STRING S_get_string_value () const;
   void v_dump ();
   void v_document_sort ();
protected :
   unsigned u_nb_node;
        const void ** vpp_node_set;
   bool * op_attrib;
} ;

}

#endif

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