TinyXML

#include <ltinyxml.h>

// ----------------------------------------------------------------------
// STDOUT dump and indenting utility functions
// ----------------------------------------------------------------------
const unsigned int NUM_INDENTS_PER_SPACE=2;

const char * getIndent( unsigned int numIndents )
{
 static const char * pINDENT="                                      + ";
 static const unsigned int LENGTH=strlen( pINDENT );
 unsigned int n=numIndents*NUM_INDENTS_PER_SPACE;
 if ( n > LENGTH ) n = LENGTH;
 
 return &pINDENT[ LENGTH-n ];
}

// same as getIndent but no "+" at the end
const char * getIndentAlt( unsigned int numIndents )
{
 static const char * pINDENT="                                        ";
 static const unsigned int LENGTH=strlen( pINDENT );
 unsigned int n=numIndents*NUM_INDENTS_PER_SPACE;
 if ( n > LENGTH ) n = LENGTH;
 
 return &pINDENT[ LENGTH-n ];
}

int dump_attribs_to_stdout(TiXmlElement* pElement, unsigned int indent)
{
 if ( !pElement ) return 0;
 
 TiXmlAttribute* pAttrib=pElement->FirstAttribute();
 int i=0;
 int ival;
 double dval;
 const char* pIndent=getIndent(indent);
 printf("\n");
 while (pAttrib)
 {
  printf( "%s%s: value=[%s]", pIndent, pAttrib->Name(), pAttrib->Value());
  
  if (pAttrib->QueryIntValue(&ival)==TIXML_SUCCESS)    printf( " int=%d", ival);
  if (pAttrib->QueryDoubleValue(&dval)==TIXML_SUCCESS) printf( " d=%1.1f", dval);
  printf( "\n" );
  i++;
  pAttrib=pAttrib->Next();
 }
 return i;
}

void dump_to_stdout( TiXmlNode* pParent, unsigned int indent = 0 )
{
 if ( !pParent ) return;
 
 TiXmlNode* pChild;
 TiXmlText* pText;
 int t = pParent->Type();
 printf( "%s", getIndent(indent));
 int num;
 
 switch ( t )
 {
  case TiXmlNode::TINYXML_DOCUMENT:
   printf( "Document" );
   break;
   
  case TiXmlNode::TINYXML_ELEMENT:
   printf( "Element [%s]", pParent->Value() );
   num=dump_attribs_to_stdout(pParent->ToElement(), indent+1);
   switch(num)
   {
    case 0:  printf( " (No attributes)"); break;
    case 1:  printf( "%s1 attribute", getIndentAlt(indent)); break;
    default: printf( "%s%d attributes", getIndentAlt(indent), num); break;
   }
   break;
   
    case TiXmlNode::TINYXML_COMMENT:
     printf( "Comment: [%s]", pParent->Value());
     break;
     
    case TiXmlNode::TINYXML_UNKNOWN:
     printf( "Unknown" );
     break;
     
    case TiXmlNode::TINYXML_TEXT:
     pText = pParent->ToText();
     printf( "Text: [%s]", pText->Value() );
     break;
     
    case TiXmlNode::TINYXML_DECLARATION:
     printf( "Declaration" );
     break;
    default:
     break;
 }
 printf( "\n" );
 for ( pChild = pParent->FirstChild(); pChild != 0; pChild = pChild->NextSibling())
 {
  dump_to_stdout( pChild, indent+1 );
 }
}

// load the named file and dump its structure to STDOUT
void dump_to_stdout(const char* pFilename)
{
 TiXmlDocument doc(pFilename);
 bool loadOkay = doc.LoadFile();
 if (loadOkay)
 {
  printf("\n%s:\n", pFilename);
  dump_to_stdout( &doc ); // defined later in the tutorial
 }
 else
 {
  printf("Failed to load file \"%s\"\n", pFilename);
 }
}


void build_simple_doc( )
{
 // Make xml: World
 TiXmlDocument doc;

 TiXmlDeclaration * declaration = new TiXmlDeclaration( "1.0", "UTF-8", "" );
 TiXmlElement * root = new TiXmlElement( "mipsdiag" );

 doc.LinkEndChild( declaration );
 doc.LinkEndChild( root );

 TiXmlElement * cpu = new TiXmlElement( "cpu" );
 root->LinkEndChild(cpu);
 
 TiXmlComment * comment = new TiXmlComment();
 comment->SetValue("-- CPU utilization --" );
 cpu->LinkEndChild(comment);

 TiXmlElement *cpu_res = new TiXmlElement("cpu_resouce");
 cpu_res->SetAttribute("type", "utilization");
 cpu_res->SetAttribute("units", "percent");
 cpu->LinkEndChild(cpu_res);

 TiXmlText *cpu_utilization = new TiXmlText("0.11");
 cpu_res->LinkEndChild(cpu_utilization);

 dump_to_stdout( &doc );
 doc.SaveFile( "mipsdiag.xml" );
}


int main()
{
 build_simple_doc();
}