xmltest.cpp

xml 简单解析器

		count++;
	}
	XmlTest( "'Item' children of the 'ToDo' element, using First/Next.", 3, count );

	count = 0;
	for( node = todoElement->LastChild( "Item" );
		 node;
		 node = node->PreviousSibling( "Item" ) )
	{
		count++;
	}
	XmlTest( "'Item' children of the 'ToDo' element, using Last/Previous.", 3, count );

#ifdef TIXML_USE_STL
	{
		cout << "\n** Parsing. **\n";
		istringstream parse0( "<Element0 attribute0='foo0' attribute1= noquotes attribute2 = '&gt;' />" );
		TiXmlElement element0( "default" );
		parse0 >> element0;

		XmlTest ( "Element parsed, value is 'Element0'.", "Element0", element0.Value() );
		XmlTest ( "Reads attribute 'attribute0=\"foo0\"'.", "foo0", element0.Attribute( "attribute0" ));
		XmlTest ( "Reads incorrectly formatted 'attribute1=noquotes'.", "noquotes", element0.Attribute( "attribute1" ) );
		XmlTest ( "Read attribute with entity value '>'.", ">", element0.Attribute( "attribute2" ) );
	}
#endif

	{
		const char* error =	"<?xml version=\"1.0\" standalone=\"no\" ?>\n"
							"<passages count=\"006\" formatversion=\"20020620\">\n"
							"    <wrong error>\n"
							"</passages>";

        TiXmlDocument doc;
		doc.Parse( error );
		XmlTest( "Error row", doc.ErrorRow(), 3 );
		XmlTest( "Error column", doc.ErrorCol(), 17 );
		//printf( "error=%d id='%s' row %d col%d\n", (int) doc.Error(), doc.ErrorDesc(), doc.ErrorRow()+1, doc.ErrorCol() + 1 );

	}
	{
		const char* str =	"\t<?xml version=\"1.0\" standalone=\"no\" ?>\t<room doors='2'>\n"
							"  <!-- Silly example -->\n"
							"    <door wall='north'>A great door!</door>\n"
							"\t<door wall='east'/>"
							"</room>";

        TiXmlDocument doc;
		doc.Parse( str );

		TiXmlHandle docHandle( &doc );
		TiXmlHandle roomHandle = docHandle.FirstChildElement( "room" );
		TiXmlHandle commentHandle = docHandle.FirstChildElement( "room" ).FirstChild();
		TiXmlHandle textHandle = docHandle.FirstChildElement( "room" ).ChildElement( "door", 0 ).FirstChild();
		TiXmlHandle door0Handle = docHandle.FirstChildElement( "room" ).ChildElement( 0 );
		TiXmlHandle door1Handle = docHandle.FirstChildElement( "room" ).ChildElement( 1 );

		assert( docHandle.Node() );
		assert( roomHandle.Element() );
		assert( commentHandle.Node() );
		assert( textHandle.Text() );
		assert( door0Handle.Element() );
		assert( door1Handle.Element() );

		TiXmlDeclaration* declaration = doc.FirstChild()->ToDeclaration();
		assert( declaration );
		TiXmlElement* room = roomHandle.Element();
		assert( room );
		TiXmlAttribute* doors = room->FirstAttribute();
		assert( doors );
		TiXmlText* text = textHandle.Text();
		TiXmlComment* comment = commentHandle.Node()->ToComment();
		assert( comment );
		TiXmlElement* door0 = door0Handle.Element();
		TiXmlElement* door1 = door1Handle.Element();

		XmlTest( "Location tracking: Declaration row", declaration->Row(), 1 );
		XmlTest( "Location tracking: Declaration col", declaration->Column(), 5 );
		XmlTest( "Location tracking: room row", room->Row(), 1 );
		XmlTest( "Location tracking: room col", room->Column(), 45 );
		XmlTest( "Location tracking: doors row", doors->Row(), 1 );
		XmlTest( "Location tracking: doors col", doors->Column(), 51 );
		XmlTest( "Location tracking: Comment row", comment->Row(), 2 );
		XmlTest( "Location tracking: Comment col", comment->Column(), 3 );
		XmlTest( "Location tracking: text row", text->Row(), 3 ); 
		XmlTest( "Location tracking: text col", text->Column(), 24 );
		XmlTest( "Location tracking: door0 row", door0->Row(), 3 );
		XmlTest( "Location tracking: door0 col", door0->Column(), 5 );
		XmlTest( "Location tracking: door1 row", door1->Row(), 4 );
		XmlTest( "Location tracking: door1 col", door1->Column(), 5 );
	}
	{
		const char* str =	"\t<?xml version=\"1.0\" standalone=\"no\" ?>\t<room doors='2'>\n"
							"</room>";

        TiXmlDocument doc;
		doc.SetTabSize( 8 );
		doc.Parse( str );

		TiXmlHandle docHandle( &doc );
		TiXmlHandle roomHandle = docHandle.FirstChildElement( "room" );

		assert( docHandle.Node() );
		assert( roomHandle.Element() );

		TiXmlElement* room = roomHandle.Element();
		assert( room );
		TiXmlAttribute* doors = room->FirstAttribute();
		assert( doors );

		XmlTest( "Location tracking: Tab 8: room row", room->Row(), 1 );
		XmlTest( "Location tracking: Tab 8: room col", room->Column(), 49 );
		XmlTest( "Location tracking: Tab 8: doors row", doors->Row(), 1 );
		XmlTest( "Location tracking: Tab 8: doors col", doors->Column(), 55 );
	}

	{
		const char* str = "<doc attr0='1' attr1='2.0' attr2='foo' />";

		TiXmlDocument doc;
		doc.Parse( str );

		TiXmlElement* ele = doc.FirstChildElement();

		int iVal, result;
		double dVal;

		result = ele->QueryDoubleAttribute( "attr0", &dVal );
		XmlTest( "Query attribute: int as double", result, TIXML_SUCCESS );
		XmlTest( "Query attribute: int as double", (int)dVal, 1 );
		result = ele->QueryDoubleAttribute( "attr1", &dVal );
		XmlTest( "Query attribute: double as double", (int)dVal, 2 );
		result = ele->QueryIntAttribute( "attr1", &iVal );
		XmlTest( "Query attribute: double as int", result, TIXML_SUCCESS );
		XmlTest( "Query attribute: double as int", iVal, 2 );
		result = ele->QueryIntAttribute( "attr2", &iVal );
		XmlTest( "Query attribute: not a number", result, TIXML_WRONG_TYPE );
		result = ele->QueryIntAttribute( "bar", &iVal );
		XmlTest( "Query attribute: does not exist", result, TIXML_NO_ATTRIBUTE );
	}

#ifdef TIXML_USE_STL
	{
		//////////////////////////////////////////////////////
		cout << "\n** Streaming. **\n";

		// Round trip check: stream in, then stream back out to verify. The stream
		// out has already been checked, above. We use the output

		istringstream inputStringStream( outputStream.str() );
		TiXmlDocument document0;

		inputStringStream >> document0;

		ostringstream outputStream0( ostringstream::out );
		outputStream0 << document0;

		XmlTest( "Stream round trip correct.",	string( demoEnd ).c_str(), 
												outputStream0.str().c_str(), true );

		std::string str;
		str << document0;

		XmlTest( "String printing correct.", string( demoEnd ).c_str(), 
											 str.c_str(), true );
	}
#endif

	// --------------------------------------------------------
	// UTF-8 testing. It is important to test:
	//	1. Making sure name, value, and text read correctly
	//	2. Row, Col functionality
	//	3. Correct output
	// --------------------------------------------------------
	printf ("\n** UTF-8 **\n");
	{
		TiXmlDocument doc( "utf8test.xml" );
		doc.LoadFile();
		if ( doc.Error() && doc.ErrorId() == TiXmlBase::TIXML_ERROR_OPENING_FILE ) {
			printf( "WARNING: File 'utf8test.xml' not found.\n"
					"(Are you running the test from the wrong directory?)\n"
				    "Could not test UTF-8 functionality.\n" );
		}
		else
		{
			TiXmlHandle docH( &doc );
			// Get the attribute "value" from the "Russian" element and check it.
			TiXmlElement* element = docH.FirstChildElement( "document" ).FirstChildElement( "Russian" ).Element();
			const unsigned char correctValue[] = {	0xd1U, 0x86U, 0xd0U, 0xb5U, 0xd0U, 0xbdU, 0xd0U, 0xbdU, 
													0xd0U, 0xbeU, 0xd1U, 0x81U, 0xd1U, 0x82U, 0xd1U, 0x8cU, 0 };

			XmlTest( "UTF-8: Russian value.", (const char*)correctValue, element->Attribute( "value" ), true );
			XmlTest( "UTF-8: Russian value row.", 4, element->Row() );
			XmlTest( "UTF-8: Russian value column.", 5, element->Column() );

			const unsigned char russianElementName[] = {	0xd0U, 0xa0U, 0xd1U, 0x83U,
															0xd1U, 0x81U, 0xd1U, 0x81U,
															0xd0U, 0xbaU, 0xd0U, 0xb8U,
															0xd0U, 0xb9U, 0 };
			const char russianText[] = "<\xD0\xB8\xD0\xBC\xD0\xB5\xD0\xB5\xD1\x82>";

			TiXmlText* text = docH.FirstChildElement( "document" ).FirstChildElement( (const char*) russianElementName ).Child( 0 ).Text();
			XmlTest( "UTF-8: Browsing russian element name.",
					 russianText,
					 text->Value(),
					 true );
			XmlTest( "UTF-8: Russian element name row.", 7, text->Row() );
			XmlTest( "UTF-8: Russian element name column.", 47, text->Column() );

			TiXmlDeclaration* dec = docH.Child( 0 ).Node()->ToDeclaration();
			XmlTest( "UTF-8: Declaration column.", 1, dec->Column() );
			XmlTest( "UTF-8: Document column.", 1, doc.Column() );

			// Now try for a round trip.
			doc.SaveFile( "utf8testout.xml" );

			// Check the round trip.
			char savedBuf[256];
			char verifyBuf[256];
			int okay = 1;

			FILE* saved  = fopen( "utf8testout.xml", "r" );
			FILE* verify = fopen( "utf8testverify.xml", "r" );
			if ( saved && verify )
			{
				while ( fgets( verifyBuf, 256, verify ) )
				{
					fgets( savedBuf, 256, saved );
					if ( strcmp( verifyBuf, savedBuf ) )
					{
						okay = 0;
						break;
					}
				}
				fclose( saved );
				fclose( verify );
			}
			XmlTest( "UTF-8: Verified multi-language round trip.", 1, okay );

			// On most Western machines, this is an element that contains
			// the word "resume" with the correct accents, in a latin encoding.
			// It will be something else completely on non-wester machines,
			// which is why TinyXml is switching to UTF-8.
			const char latin[] = "<element>r\x82sum\x82</element>";

			TiXmlDocument latinDoc;
			latinDoc.Parse( latin, 0, TIXML_ENCODING_LEGACY );

			text = latinDoc.FirstChildElement()->FirstChild()->ToText();
			XmlTest( "Legacy encoding: Verify text element.", "r\x82sum\x82", text->Value() );
		}
	}		

	//////////////////////
	// Copy and assignment
	//////////////////////
	printf ("\n** Copy and Assignment **\n");
	{
		TiXmlElement element( "foo" );
		element.Parse( "<element name='value' />", 0, TIXML_ENCODING_UNKNOWN );

		TiXmlElement elementCopy( element );
		TiXmlElement elementAssign( "foo" );
		elementAssign.Parse( "<incorrect foo='bar'/>", 0, TIXML_ENCODING_UNKNOWN );
		elementAssign = element;

		XmlTest( "Copy/Assign: element copy #1.", "element", elementCopy.Value() );
		XmlTest( "Copy/Assign: element copy #2.", "value", elementCopy.Attribute( "name" ) );
		XmlTest( "Copy/Assign: element assign #1.", "element", elementAssign.Value() );
		XmlTest( "Copy/Assign: element assign #2.", "value", elementAssign.Attribute( "name" ) );
		XmlTest( "Copy/Assign: element assign #3.", true, ( 0 == elementAssign.Attribute( "foo" )) );

		TiXmlComment comment;
		comment.Parse( "<!--comment-->", 0, TIXML_ENCODING_UNKNOWN );
		TiXmlComment commentCopy( comment );
		TiXmlComment commentAssign;
		commentAssign = commentCopy;
		XmlTest( "Copy/Assign: comment copy.", "comment", commentCopy.Value() );
		XmlTest( "Copy/Assign: comment assign.", "comment", commentAssign.Value() );

		TiXmlUnknown unknown;
		unknown.Parse( "<[unknown]>", 0, TIXML_ENCODING_UNKNOWN );
		TiXmlUnknown unknownCopy( unknown );
		TiXmlUnknown unknownAssign;
		unknownAssign.Parse( "incorrect", 0, TIXML_ENCODING_UNKNOWN );
		unknownAssign = unknownCopy;
		XmlTest( "Copy/Assign: unknown copy.", "[unknown]", unknownCopy.Value() );
		XmlTest( "Copy/Assign: unknown assign.", "[unknown]", unknownAssign.Value() );
		
		TiXmlText text( "TextNode" );
		TiXmlText textCopy( text );
		TiXmlText textAssign( "incorrect" );
		textAssign = text;
		XmlTest( "Copy/Assign: text copy.", "TextNode", textCopy.Value() );
		XmlTest( "Copy/Assign: text assign.", "TextNode", textAssign.Value() );

		TiXmlDeclaration dec;
		dec.Parse( "<?xml version='1.0' encoding='UTF-8'?>", 0, TIXML_ENCODING_UNKNOWN );
		TiXmlDeclaration decCopy( dec );
		TiXmlDeclaration decAssign;
		decAssign = dec;

		XmlTest( "Copy/Assign: declaration copy.", "UTF-8", decCopy.Encoding() );
		XmlTest( "Copy/Assign: text assign.", "UTF-8", decAssign.Encoding() );

		TiXmlDocument doc;
		elementCopy.InsertEndChild( textCopy );
		doc.InsertEndChild( decAssign );
		doc.InsertEndChild( elementCopy );
		doc.InsertEndChild( unknownAssign );

		TiXmlDocument docCopy( doc );
		TiXmlDocument docAssign;
		docAssign = docCopy;

		#ifdef TIXML_USE_STL
		std::string original, copy, assign;
		original << doc;
		copy << docCopy;
		assign << docAssign;
		XmlTest( "Copy/Assign: document copy.", original.c_str(), copy.c_str(), true );
		XmlTest( "Copy/Assign: document assign.", original.c_str(), assign.c_str(), true );

		#endif
	}	

	//////////////////////////////////////////////////////
#ifdef TIXML_USE_STL
	printf ("\n** Parsing, no Condense Whitespace **\n");
	TiXmlBase::SetCondenseWhiteSpace( false );
	{
		istringstream parse1( "<start>This  is    \ntext</start>" );