Exemplo n.º 1
0
bool XmlWorldReader::Read(const std::string &file) {
	// ワールドを初期化
	try {
		initialize();
		if (initFlag) {
			initializeWorld();
		}
	} catch (...) {
		return false;
	}

	// TODO: ファイルの有無を確認

	// XMLファイルをパース
	const XMLCh gLS[] = {chLatin_L, chLatin_S, chNull};
	DOMImplementationLS *impl = DOMImplementationRegistry::getDOMImplementation(gLS);
	DOMLSParser *parser = impl->createLSParser(
		DOMImplementationLS::MODE_SYNCHRONOUS, NULL
	);
	DOMDocument *doc = parser->parseURI(file.c_str());
	if (doc == nullptr) {
		return false;
	}

	// rootノードを取得
	DOMElement *worldElement = doc->getDocumentElement();
	if (worldElement == nullptr) {
		parser->release();
		return false;
	}
	{
		YPT::XmlString temp("world");
		bool res = XMLString::equals(worldElement->getNodeName(), temp);
		if (!res) {
			parser->release();
			return false;
		}
	}

	// ロード用クラス作成
	YPT::XmlWorldPartReader partReader(doc);

	// XPathコンテキスト作成
	DOMXPathNSResolver *resolver = doc->createNSResolver(worldElement);
	if (resolver == nullptr) {
		parser->release();
		return false;
	}

	YPT::XmlString str, str2;
	DOMXPathResult *result;

	// --------------------------------------------------
	// ワールド全体の設定
	// --------------------------------------------------

	// ワールド名
	str = worldElement->getAttribute(YPT::XmlString("name"));
	if (str != "") {
		name = str;
	}

	// 重力ベクトル
	result = doc->evaluate(
		YPT::XmlString("./gravity"), worldElement, resolver,
		DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
		NULL
	);
	if (result != nullptr) {
		if (result->getSnapshotLength() >= 1) {
			str = result->getNodeValue()->getTextContent();
			b2Vec2 temp;
			if (!YPT::ConvertStrToVec2(str.ToChar(), &temp)) {
				world.SetGravity(temp);
			}
		}
		result->release();
	}

	// --------------------------------------------------
	// shapes
	// --------------------------------------------------

	result = doc->evaluate(
		YPT::XmlString("./shape"), worldElement, resolver,
		DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
		NULL
	);
	if (result != nullptr) {
		const XMLSize_t len = result->getSnapshotLength();
		for (XMLSize_t i = 0; i < len; ++i) {
			result->snapshotItem(i);
			DOMNode *node = result->getNodeValue();
			if (node == nullptr) {
				continue;
			}
			DOMNamedNodeMap *nodeMap = node->getAttributes();
			if (nodeMap == nullptr) {
				continue;
			}
			DOMNode *typeNode = nodeMap->getNamedItem(YPT::XmlString("type"));
			if (typeNode == nullptr) {
				continue;
			}
			str = typeNode->getNodeValue();
			b2Shape::Type type;
			int index;
			if (str == "circle") {
				type = b2Shape::e_circle;
				b2CircleShape temp;
				if (partReader.ReadCircleShape(node, &temp)) {
					circleShapes.push_back(temp);
					index = circleShapes.size()-1;
				} else {
					// 読み込み失敗
					continue;
				}
			} else if (str == "edge") {
				type = b2Shape::e_edge;
				b2EdgeShape temp;
				if (partReader.ReadEdgeShape(node, &temp)) {
					edgeShapes.push_back(temp);
					index = edgeShapes.size()-1;
				} else {
					// 読み込み失敗
					continue;
				}
			} else if (str == "polygon") {
				type = b2Shape::e_polygon;
				b2PolygonShape temp;
				if (partReader.ReadPolygonShape(node, &temp)) {
					polygonShapes.push_back(temp);
					index = polygonShapes.size()-1;
				} else {
					// 読み込み失敗
					continue;
				}
			} else if (str == "chain") {
				type = b2Shape::e_chain;
				b2ChainShape temp;
				if (partReader.ReadChainShape(node, &temp)) {
					chainShapes.push_back(temp);
					index = chainShapes.size()-1;
				} else {
					// 読み込み失敗
					continue;
				}
			} else {
				// 未対応
				continue;
			}

			// nameプロパティがあれば保存
			DOMNode *name = nodeMap->getNamedItem(YPT::XmlString("name"));
			if (name != nullptr) {
				str = name->getNodeValue();
				shapes.insert(ShapesMap::value_type(
					std::string(str),
					std::make_pair(type, index)
				));
			}
		}
		result->release();
	}

	// --------------------------------------------------
	// fixtures
	// --------------------------------------------------

	result = doc->evaluate(
		YPT::XmlString("./fixture"), worldElement, resolver,
		DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
		NULL
	);
	if (result != nullptr) {
		const XMLSize_t len = result->getSnapshotLength();
		for (XMLSize_t i = 0; i < len; ++i) {
			result->snapshotItem(i);
			DOMNode *node = result->getNodeValue();
			if (node == nullptr) {
				continue;
			}
			DOMXPathResult *result2 = doc->evaluate(
				YPT::XmlString("./shape"), node, resolver,
				DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
				NULL
			);
			if (result2 == nullptr) {
				continue;
			}
			DOMNode *shapeNode = result2->getNodeValue();
			if (shapeNode == nullptr) {
				continue;
			}
			str = shapeNode->getTextContent();
			result2->release();
			ShapesMap::iterator found = shapes.find(std::string(str));
			if (found == shapes.end()) {
				continue;
			}

			// fixture読み込み
			b2FixtureDef fixtureDef;
			b2Shape *shape = NULL;
			int index = found->second.second;
			switch (found->second.first) {
			case b2Shape::e_circle:
				shape = &circleShapes[index];
				break;
			case b2Shape::e_edge:
				shape = &edgeShapes[index];
				break;
			case b2Shape::e_polygon:
				shape = &polygonShapes[index];
				break;
			case b2Shape::e_chain:
				shape = &chainShapes[index];
				break;
			default:
				// 未対応
				break;
			}
			if (shape == NULL) {
				continue;
			}
			if (partReader.ReadFixture(node, shape, &fixtureDef)) {
				// 読み込み成功
				// nameプロパティがあれば保存する
				DOMNamedNodeMap *nodeMap = node->getAttributes();
				if (nodeMap == nullptr) {
					continue;
				}
				DOMNode *nameNode = nodeMap->getNamedItem(YPT::XmlString("name"));
				if (nameNode == nullptr) {
					continue;
				}
				str = nameNode->getNodeValue();
				fixtures.insert(FixturesMap::value_type(
					std::string(str), fixtureDef
				));
			}
		}
		result->release();
	}

	// --------------------------------------------------
	// bodies
	// --------------------------------------------------

	result = doc->evaluate(
		YPT::XmlString("./body"), worldElement, resolver,
		DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
		NULL
	);
	if (result != nullptr) {
		const XMLSize_t len = result->getSnapshotLength();
		for (XMLSize_t i = 0; i < len; ++i) {
			result->snapshotItem(i);
			DOMNode *node = result->getNodeValue();
			if (node == nullptr) {
				continue;
			}
			DOMXPathResult *result2 = doc->evaluate(
				YPT::XmlString("./fixtures/fixture"), node, resolver,
				DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
				NULL
			);
			if (result2 == nullptr) {
				continue;
			}
			std::vector< b2FixtureDef *> fixtureDefs;
			const XMLSize_t fixturesLen = result2->getSnapshotLength();
			for (XMLSize_t j = 0; j < fixturesLen; ++j) {
				result2->snapshotItem(j);
				DOMNode *fixtureNode = result2->getNodeValue();
				if (fixtureNode == nullptr) {
					continue;
				}
				str = fixtureNode->getTextContent();
				FixturesMap::iterator found = fixtures.find(
					std::string(str)
				);
				if (found != fixtures.end()) {
					fixtureDefs.push_back(&found->second);
				}
			}
			result2->release();

			b2Body *body = partReader.ReadBody(world, node, fixtureDefs);
			if (body != nullptr) {
				// 読み込み成功
				// nameプロパティがあれば保存する
				DOMNamedNodeMap *nodeMap = node->getAttributes();
				if (nodeMap == nullptr) {
					continue;
				}
				DOMNode *nameNode = nodeMap->getNamedItem(YPT::XmlString("name"));
				if (nameNode == nullptr) {
					continue;
				}
				str = nameNode->getNodeValue();
				bodies.insert(BodiesMap::value_type(
					std::string(str), body
				));
			}
		}
		result->release();
	}

	// --------------------------------------------------
	// 読み込み完了
	// --------------------------------------------------

	resolver->release();
	parser->release();

	return true;
}
Exemplo n.º 2
0
// ---------------------------------------------------------------------------
//
//  main
//
// ---------------------------------------------------------------------------
int main(int argC, char* argV[])
{
    int retval = 0;

    // Initialize the XML4C2 system
    try
    {
        XMLPlatformUtils::Initialize();
    }

    catch(const XMLException &toCatch)
    {
        XERCES_STD_QUALIFIER cerr << "Error during Xerces-c Initialization.\n"
             << "  Exception message:"
             << StrX(toCatch.getMessage()) << XERCES_STD_QUALIFIER endl;
        return 1;
    }

    // Check command line and extract arguments.
    if (argC < 2)
    {
        usage();
        XMLPlatformUtils::Terminate();
        return 1;
    }

    // See if non validating dom parser configuration is requested.
    int parmInd;
    for (parmInd = 1; parmInd < argC; parmInd++)
    {
        // Break out on first parm not starting with a dash
        if (argV[parmInd][0] != '-')
            break;

        // Watch for special case help request
        if (!strcmp(argV[parmInd], "-?"))
        {
            usage();
            XMLPlatformUtils::Terminate();
            return 2;
        }
         else if (!strncmp(argV[parmInd], "-v=", 3)
              ||  !strncmp(argV[parmInd], "-V=", 3))
        {
            const char* const parm = &argV[parmInd][3];

            if (!strcmp(parm, "never"))
                gValScheme = XercesDOMParser::Val_Never;
            else if (!strcmp(parm, "auto"))
                gValScheme = XercesDOMParser::Val_Auto;
            else if (!strcmp(parm, "always"))
                gValScheme = XercesDOMParser::Val_Always;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -v= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }
        }
         else if (!strcmp(argV[parmInd], "-n")
              ||  !strcmp(argV[parmInd], "-N"))
        {
            gDoNamespaces = true;
        }
         else if (!strcmp(argV[parmInd], "-s")
              ||  !strcmp(argV[parmInd], "-S"))
        {
            gDoSchema = true;
        }
         else if (!strcmp(argV[parmInd], "-f")
              ||  !strcmp(argV[parmInd], "-F"))
        {
            gSchemaFullChecking = true;
        }
         else if (!strcmp(argV[parmInd], "-e")
              ||  !strcmp(argV[parmInd], "-E"))
        {
            gDoCreate = true;
        }
         else if (!strncmp(argV[parmInd], "-wenc=", 6))
        {
             // Get out the encoding name
             gOutputEncoding = XMLString::transcode( &(argV[parmInd][6]) );
        }
         else if (!strncmp(argV[parmInd], "-wfile=", 7))
        {
             goutputfile =  &(argV[parmInd][7]);
        }
         else if (!strncmp(argV[parmInd], "-wddc=", 6))
        {
            const char* const parm = &argV[parmInd][6];

            if (!strcmp(parm, "on"))
				gDiscardDefaultContent = true;
            else if (!strcmp(parm, "off"))
				gDiscardDefaultContent = false;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -wddc= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }

        }
         else if (!strncmp(argV[parmInd], "-wscs=", 6))
        {
            const char* const parm = &argV[parmInd][6];

            if (!strcmp(parm, "on"))
				gSplitCdataSections = true;
			else if (!strcmp(parm, "off"))
				gSplitCdataSections = false;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -wscs= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }
        }
         else if (!strncmp(argV[parmInd], "-wflt=", 6))
        {
            const char* const parm = &argV[parmInd][6];

            if (!strcmp(parm, "on"))
				gUseFilter = true;
			else if (!strcmp(parm, "off"))
				gUseFilter = false;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -wflt= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }
        }
         else if (!strncmp(argV[parmInd], "-wfpp=", 6))
        {
            const char* const parm = &argV[parmInd][6];

            if (!strcmp(parm, "on"))
				gFormatPrettyPrint = true;
			else if (!strcmp(parm, "off"))
				gFormatPrettyPrint = false;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -wfpp= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }
        }
         else if (!strncmp(argV[parmInd], "-wbom=", 6))
        {
            const char* const parm = &argV[parmInd][6];

            if (!strcmp(parm, "on"))
                gWriteBOM = true;
            else if (!strcmp(parm, "off"))
                gWriteBOM = false;
            else
            {
                XERCES_STD_QUALIFIER cerr << "Unknown -wbom= value: " << parm << XERCES_STD_QUALIFIER endl;
                XMLPlatformUtils::Terminate();
                return 2;
            }
        }
         else if (!strncmp(argV[parmInd], "-xpath=", 7))
        {
             gXPathExpression = &(argV[parmInd][7]);
        }
         else
        {
            XERCES_STD_QUALIFIER cerr << "Unknown option '" << argV[parmInd]
                 << "', ignoring it.\n" << XERCES_STD_QUALIFIER endl;
        }
    }

    //
    //  And now we have to have only one parameter left and it must be
    //  the file name.
    //
    if (parmInd + 1 != argC)
    {
        usage();
        XMLPlatformUtils::Terminate();
        return 1;
    }
    gXmlFile = argV[parmInd];

    //
    //  Create our parser, then attach an error handler to the parser.
    //  The parser will call back to methods of the ErrorHandler if it
    //  discovers errors during the course of parsing the XML document.
    //
    XercesDOMParser *parser = new XercesDOMParser;
    parser->setValidationScheme(gValScheme);
    parser->setDoNamespaces(gDoNamespaces);
    parser->setDoSchema(gDoSchema);
    parser->setValidationSchemaFullChecking(gSchemaFullChecking);
    parser->setCreateEntityReferenceNodes(gDoCreate);

    DOMTreeErrorReporter *errReporter = new DOMTreeErrorReporter();
    parser->setErrorHandler(errReporter);

    //
    //  Parse the XML file, catching any XML exceptions that might propogate
    //  out of it.
    //
    bool errorsOccured = false;
    try
    {
        parser->parse(gXmlFile);
    }
    catch (const OutOfMemoryException&)
    {
        XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
        errorsOccured = true;
    }
    catch (const XMLException& e)
    {
        XERCES_STD_QUALIFIER cerr << "An error occurred during parsing\n   Message: "
             << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
        errorsOccured = true;
    }

    catch (const DOMException& e)
    {
        const unsigned int maxChars = 2047;
        XMLCh errText[maxChars + 1];

        XERCES_STD_QUALIFIER cerr << "\nDOM Error during parsing: '" << gXmlFile << "'\n"
             << "DOMException code is:  " << e.code << XERCES_STD_QUALIFIER endl;

        if (DOMImplementation::loadDOMExceptionMsg(e.code, errText, maxChars))
             XERCES_STD_QUALIFIER cerr << "Message is: " << StrX(errText) << XERCES_STD_QUALIFIER endl;

        errorsOccured = true;
    }

    catch (...)
    {
        XERCES_STD_QUALIFIER cerr << "An error occurred during parsing\n " << XERCES_STD_QUALIFIER endl;
        errorsOccured = true;
    }

    // If the parse was successful, output the document data from the DOM tree
    if (!errorsOccured && !errReporter->getSawErrors())
    {
        DOMPrintFilter   *myFilter = 0;

        try
        {
            // get a serializer, an instance of DOMLSSerializer
            XMLCh tempStr[3] = {chLatin_L, chLatin_S, chNull};
            DOMImplementation *impl          = DOMImplementationRegistry::getDOMImplementation(tempStr);
            DOMLSSerializer   *theSerializer = ((DOMImplementationLS*)impl)->createLSSerializer();
            DOMLSOutput       *theOutputDesc = ((DOMImplementationLS*)impl)->createLSOutput();

            // set user specified output encoding
            theOutputDesc->setEncoding(gOutputEncoding);

            // plug in user's own filter
            if (gUseFilter)
            {
                // even we say to show attribute, but the DOMLSSerializer
                // will not show attribute nodes to the filter as
                // the specs explicitly says that DOMLSSerializer shall
                // NOT show attributes to DOMLSSerializerFilter.
                //
                // so DOMNodeFilter::SHOW_ATTRIBUTE has no effect.
                // same DOMNodeFilter::SHOW_DOCUMENT_TYPE, no effect.
                //
                myFilter = new DOMPrintFilter(DOMNodeFilter::SHOW_ELEMENT   |
                                              DOMNodeFilter::SHOW_ATTRIBUTE |
                                              DOMNodeFilter::SHOW_DOCUMENT_TYPE);
                theSerializer->setFilter(myFilter);
            }

            // plug in user's own error handler
            DOMErrorHandler *myErrorHandler = new DOMPrintErrorHandler();
            DOMConfiguration* serializerConfig=theSerializer->getDomConfig();
            serializerConfig->setParameter(XMLUni::fgDOMErrorHandler, myErrorHandler);

            // set feature if the serializer supports the feature/mode
            if (serializerConfig->canSetParameter(XMLUni::fgDOMWRTSplitCdataSections, gSplitCdataSections))
                serializerConfig->setParameter(XMLUni::fgDOMWRTSplitCdataSections, gSplitCdataSections);

            if (serializerConfig->canSetParameter(XMLUni::fgDOMWRTDiscardDefaultContent, gDiscardDefaultContent))
                serializerConfig->setParameter(XMLUni::fgDOMWRTDiscardDefaultContent, gDiscardDefaultContent);

            if (serializerConfig->canSetParameter(XMLUni::fgDOMWRTFormatPrettyPrint, gFormatPrettyPrint))
                serializerConfig->setParameter(XMLUni::fgDOMWRTFormatPrettyPrint, gFormatPrettyPrint);

            if (serializerConfig->canSetParameter(XMLUni::fgDOMWRTBOM, gWriteBOM))
                serializerConfig->setParameter(XMLUni::fgDOMWRTBOM, gWriteBOM);

            //
            // Plug in a format target to receive the resultant
            // XML stream from the serializer.
            //
            // StdOutFormatTarget prints the resultant XML stream
            // to stdout once it receives any thing from the serializer.
            //
            XMLFormatTarget *myFormTarget;
            if (goutputfile)
                myFormTarget=new LocalFileFormatTarget(goutputfile);
            else
                myFormTarget=new StdOutFormatTarget();
            theOutputDesc->setByteStream(myFormTarget);

            // get the DOM representation
            DOMDocument *doc = parser->getDocument();

            //
            // do the serialization through DOMLSSerializer::write();
            //
            if(gXPathExpression!=NULL)
            {
                XMLCh* xpathStr=XMLString::transcode(gXPathExpression);
                DOMElement* root = doc->getDocumentElement();
                try
                {
                    DOMXPathNSResolver* resolver=doc->createNSResolver(root);
                    DOMXPathResult* result=doc->evaluate(
                      xpathStr,
                      root,
                      resolver,
                      DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
                      NULL);

                    XMLSize_t nLength = result->getSnapshotLength();
                    for(XMLSize_t i = 0; i < nLength; i++)
                    {
                      result->snapshotItem(i);
                      theSerializer->write(result->getNodeValue(), theOutputDesc);
                    }

                    result->release();
                    resolver->release ();
                }
                catch(const DOMXPathException& e)
                {
                    XERCES_STD_QUALIFIER cerr << "An error occurred during processing of the XPath expression. Msg is:"
                        << XERCES_STD_QUALIFIER endl
                        << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
                    retval = 4;
                }
                catch(const DOMException& e)
                {
                    XERCES_STD_QUALIFIER cerr << "An error occurred during processing of the XPath expression. Msg is:"
                        << XERCES_STD_QUALIFIER endl
                        << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
                    retval = 4;
                }
                XMLString::release(&xpathStr);
            }
            else
                theSerializer->write(doc, theOutputDesc);

            theOutputDesc->release();
            theSerializer->release();

            //
            // Filter, formatTarget and error handler
            // are NOT owned by the serializer.
            //
            delete myFormTarget;
            delete myErrorHandler;

            if (gUseFilter)
                delete myFilter;

        }
        catch (const OutOfMemoryException&)
        {
            XERCES_STD_QUALIFIER cerr << "OutOfMemoryException" << XERCES_STD_QUALIFIER endl;
            retval = 5;
        }
        catch (XMLException& e)
        {
            XERCES_STD_QUALIFIER cerr << "An error occurred during creation of output transcoder. Msg is:"
                << XERCES_STD_QUALIFIER endl
                << StrX(e.getMessage()) << XERCES_STD_QUALIFIER endl;
            retval = 4;
        }

    }
    else
        retval = 4;

    //
    //  Clean up the error handler. The parser does not adopt handlers
    //  since they could be many objects or one object installed for multiple
    //  handlers.
    //
    delete errReporter;

    //
    //  Delete the parser itself.  Must be done prior to calling Terminate, below.
    //
    delete parser;

    XMLString::release(&gOutputEncoding);

    // And call the termination method
    XMLPlatformUtils::Terminate();

    return retval;
}