xpath_static.cpp

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/*
www.sourceforge.net/projects/tinyxpath_
Copyright (c) 2002-2004 Yves Berquin ([e-mail])

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.
*/

/**
   \file xpath_static.cpp
   \author Yves Berquin
*/

#include "xpath_static.h"

namespace aux { namespace xml
{
   /// Static function to compute an integer XPath expression, without an error_ check
   int i_xpath_int (const node * XNp_source_tree, const char * cp_xpath_expr)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      return xp_proc . i_compute_xpath ();
   }

   /// Static function to compute a double XPath expression, without an error_ check
   double d_xpath_double (const node * XNp_source_tree, const char * cp_xpath_expr)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      return xp_proc . d_compute_xpath ();
   }

   /// Static function to compute a bool XPath expression, without an error_ check
   bool o_xpath_bool (const node * XNp_source_tree, const char * cp_xpath_expr)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      return xp_proc . o_compute_xpath ();
   }

   /// Static function to compute a string XPath expression, without an error_ check
   TIXML_STRING s_xpath_string (const node * XNp_source_tree, const char * cp_xpath_expr)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      return xp_proc . S_compute_xpath ();
   }

   /// Static function to compute a node_ XPath expression, without an error_ check
   node * xnp_xpath_node (const node * XNp_source_tree, const char * cp_xpath_expr)
   {
      unsigned u_nb;

      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      u_nb = xp_proc . u_compute_xpath_node_set ();
      if (! u_nb)
         return NULL;
      return xp_proc . XNp_get_xpath_node (0);
   }

   /// Static function to compute an attribute_ XPath expression, without an error_ check
   attribute * xap_xpath_attribute (const node * XNp_source_tree, const char * cp_xpath_expr)
   {
      unsigned u_nb;

      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      u_nb = xp_proc . u_compute_xpath_node_set ();
      if (! u_nb)
         return NULL;
      return xp_proc . XAp_get_xpath_attribute (0);
   }

   /// Static function to compute an integer XPath expression, with an error_ check
   bool o_xpath_int (const node * XNp_source_tree, const char * cp_xpath_expr, int & i_res)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      i_res = xp_proc . i_compute_xpath ();
      return xp_proc . e_error == aux::xml::xpath_processor::e_no_error;
   }

   /// Static function to compute a double XPath expression, without an error_ check
   bool o_xpath_double (const node * XNp_source_tree, const char * cp_xpath_expr, double & d_res)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      d_res = xp_proc . d_compute_xpath ();
      return xp_proc . e_error == aux::xml::xpath_processor::e_no_error;
   }

   /// Static function to compute a bool XPath expression, without an error_ check
   bool o_xpath_bool (const node * XNp_source_tree, const char * cp_xpath_expr, bool & o_res)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      o_res = xp_proc . o_compute_xpath ();
      return xp_proc . e_error == aux::xml::xpath_processor::e_no_error;
   }

   /// Static function to compute a string XPath expression, without an error_ check
   bool o_xpath_string (const node * XNp_source_tree, const char * cp_xpath_expr, TIXML_STRING & S_res)
   {
      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      S_res = xp_proc . S_compute_xpath ();
      return xp_proc . e_error == aux::xml::xpath_processor::e_no_error;
   }

   /// Static function to compute a node_ XPath expression, without an error_ check
   bool o_xpath_node (const node * XNp_source_tree, const char * cp_xpath_expr, const node * & XNp_node)
   {
      unsigned u_nb;

      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      u_nb = xp_proc . u_compute_xpath_node_set ();
      if (! u_nb)
         return false;
      XNp_node = xp_proc . XNp_get_xpath_node (0);
      return xp_proc . e_error == aux::xml::xpath_processor::e_no_error;
   }

   /// Static function to compute an attribute_ XPath expression, without an error_ check
   bool o_xpath_attribute (const node * XNp_source_tree, const char * cp_xpath_expr, const attribute * & XAp_attrib)
   {
      unsigned u_nb;

      xpath_processor xp_proc (XNp_source_tree, cp_xpath_expr);
      u_nb = xp_proc . u_compute_xpath_node_set ();
      if (! u_nb)
         return false;
      XAp_attrib = xp_proc . XAp_get_xpath_attribute (0);
      return xp_proc . e_error == aux::xml::xpath_processor::e_no_error;
   }
} }