Teuchos_Libxml2HandlerAdapter.cpp

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00001 // @HEADER
00002 // ***********************************************************************
00003 // 
00004 //                    Teuchos: Common Tools Package
00005 //                 Copyright (2004) Sandia Corporation
00006 // 
00007 // Under terms of Contract DE-AC04-94AL85000, there is a non-exclusive
00008 // license for use of this work by or on behalf of the U.S. Government.
00009 // 
00010 // This library is free software; you can redistribute it and/or modify
00011 // it under the terms of the GNU Lesser General Public License as
00012 // published by the Free Software Foundation; either version 2.1 of the
00013 // License, or (at your option) any later version.
00014 //  
00015 // This library is distributed in the hope that it will be useful, but
00016 // WITHOUT ANY WARRANTY; without even the implied warranty of
00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00018 // Lesser General Public License for more details.
00019 //  
00020 // You should have received a copy of the GNU Lesser General Public
00021 // License along with this library; if not, write to the Free Software
00022 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
00023 // USA
00024 // Questions? Contact Michael A. Heroux (maherou@sandia.gov) 
00025 // 
00026 // ***********************************************************************
00027 // @HEADER
00028 
00029 #include "Teuchos_Libxml2HandlerAdapter.hpp"
00030 
00031 #ifdef HAVE_TEUCHOS_LIBXML2
00032 
00033 #include "Teuchos_TreeBuildingXMLHandler.hpp"
00034 #include "Teuchos_ParameterList.hpp"
00035 
00036 using namespace Teuchos;
00037 
00038 void xmlSAX2StartElement(void* handler, 
00039                          const xmlChar* name, 
00040                          const xmlChar** attr)
00041 {
00042   TreeBuildingXMLHandler* h = (TreeBuildingXMLHandler*) handler;
00043   
00044   std::string tag = (const char*) name;
00045   Teuchos::map<std::string, std::string> attributes;
00046   
00047   /* the attribute data is stored in a C array of C strings, in order 
00048    * {key1, val1, key2, val2, ...}. */
00049 
00050   for (int i=0; attr[i] != 0; i+=2)
00051     {
00052       std::string key = (const char*) attr[i];
00053       std::string val = (const char*) attr[i+1];
00054       attributes[key] = val;
00055     }
00056 
00057   h->startElement(tag, attributes);
00058 }
00059 
00060 void xmlSAX2EndElement(void* handler, 
00061                        const xmlChar* name)
00062 {
00063   TreeBuildingXMLHandler* h = (TreeBuildingXMLHandler*) handler;
00064   
00065   std::string tag = (const char*) name;
00066 
00067   h->endElement(tag);
00068 }
00069 
00070 void xmlSAX2CharacterData(void* handler, 
00071                           const xmlChar* s,
00072                           int len)
00073 {
00074   char* str = new char[len+1];
00075   strncpy(str, (const char*) s, len);
00076 
00077 
00078   str[len] = '\0';
00079   std::string chars = str;
00080 
00081   TreeBuildingXMLHandler* h = (TreeBuildingXMLHandler*) handler;
00082   h->characters(chars);
00083   delete [] str;
00084 }
00085 
00086 #endif
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