/* This file is part of mingw-cross-env.       */
/* See doc/index.html for further information. */

#include <iostream>
#include <tinyxml.h>

using namespace std;

// ----------------------------------------------------------------------
// 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 );
	}
}
//=============================================================================
int main(int argc, char *argv[])
{
	if (argc <= 1) {
		cout << "Usage: tinyxml-test <xml-file>" << endl;
		exit(1);
	}

	string fpn(argv[1]);
	TiXmlDocument doc(fpn);
	if (!doc.LoadFile()) {
		cerr << "failed to load " << fpn << endl;
		exit(1);
	}

	dump_to_stdout(&doc);

    return 0;
}
//=============================================================================