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libbulletml

Library of Bullet Markup Language (forked from https://shinh.skr.jp/libbulletml/index_en.html )git clone https://hacktivis.me/git/libbulletml.git

bulletmlparser-xerces.cpp (3351B)

    

  1. #ifdef USE_XERCES
  3. #include "bulletmlparser.h"
  4. #include "bulletmlparser-xerces.h"
  5. #include "bulletmlerror.h"
  6. #include "bulletmltree.h"
  8. #include <xercesc/sax/HandlerBase.hpp>
  9. #include <xercesc/sax/AttributeList.hpp>
  10. #include <xercesc/parsers/SAXParser.hpp>
  11. #include <xercesc/util/PlatformUtils.hpp>
  13. #include <string>
  14. #include <memory>
  15. #include <sstream>
  17. class BulletMLParserXercesSAXHandler : public HandlerBase {
  18. public:
  19. 	BulletMLParserXercesSAXHandler(BulletMLParserXerces* parser);
  21. 	virtual void characters(const XMLCh* const chars,
  22. 							const unsigned int length);
  23. 	virtual void startElement(const XMLCh* const name,
  24. 							  AttributeList& attributes);
  25. 	virtual void endElement(const XMLCh* const name);
  27. 	virtual void error(const SAXParseException& e) {
  28. 		handleError(e);
  29. 	}
  31. 	virtual void fatalError(const SAXParseException& e) {
  32. 		handleError(e);
  33. 	}
  35. 	virtual void warning(const SAXParseException& e) {
  36. 		handleError(e);
  37. 	}
  39. private:
  40. 	void handleError(const SAXParseException& e) {
  41. 		std::ostringstream oss;
  42. 		oss << "Error at file " << parser_->uc2string(e.getSystemId())
  43. 			<< ", line " << e.getLineNumber()
  44. 			<< ", char " << e.getColumnNumber()
  45. 			<< "\nMessage: " << parser_->uc2string(e.getMessage()) << endl;
  46. 		throw BulletMLError(oss.str());
  47. 	}
  49. private:
  50. 	BulletMLParserXerces* parser_;
  51. 	BulletMLNode* curNode_;
  53. };
  55. BulletMLParserXercesSAXHandler::BulletMLParserXercesSAXHandler(
  56. 	BulletMLParserXerces* parser)
  57. 	: parser_(parser), curNode_(0)
  58. {}
  60. void BulletMLParserXercesSAXHandler::characters(const XMLCh* const chars,
  61. 												const unsigned int length)
  62. {
  63. 	curNode_->setValue(parser_->uc2string(chars, length));
  64. }
  66. void BulletMLParserXercesSAXHandler::startElement(const XMLCh* const name,
  67. 												  AttributeList& attributes)
  68. {
  69. 	BulletMLNode* node = parser_->addContent(parser_->uc2string(name));
  71. 	if (node->getName() == BulletMLNode::bulletml) {
  72. 		for (unsigned int i = 0; i < attributes.getLength(); i++) {
  73. 			if (parser_->uc2string(attributes.getName(i)) == "type" &&
  74. 				parser_->uc2string(attributes.getValue(i)) == "horizontal")
  75. 			{
  76. 				parser_->setHorizontal();
  77. 			}
  78. 		}
  79. 	}
  80. 	else {
  81. 		BulletMLParserXerces::MyAttributes mattr;
  82. 		for (unsigned int i = 0; i < attributes.getLength(); i++) {
  83. 			mattr.push_back(parser_->uc2string(attributes.getName(i)));
  84. 			mattr.push_back(parser_->uc2string(attributes.getValue(i)));
  85. 		}
  86. 		parser_->addAttribute(mattr, node);
  87. 	}
  89. 	if (curNode_ != 0) curNode_->addChild(node);
  90. 	curNode_ = node;
  91. }
  93. void BulletMLParserXercesSAXHandler::endElement(const XMLCh* const) {
  94. 	curNode_ = curNode_->getParent();
  95. }
  97. BulletMLParserXerces::BulletMLParserXerces(const char* filename)
  98. {
  99. 	setName(filename);
  100. }
  102. BulletMLParserXerces::~BulletMLParserXerces() {}
  104. void BulletMLParserXerces::parse() {
  105. 	try {
  106. 		XMLPlatformUtils::Initialize();
  108. 		std::auto_ptr<SAXParser> parser(new SAXParser);
  110. 		parser->setValidationScheme(SAXParser::Val_Always);
  111. 		parser->setDoNamespaces(false);
  112. 		parser->setDoSchema(false);
  113. 		parser->setValidationSchemaFullChecking(false);
  115. 		BulletMLParserXercesSAXHandler handler(this);
  116. 		parser->setDocumentHandler(&handler);
  117. 		parser->setErrorHandler(&handler);
  119. 		parser->parse(name_);
  121. 		parser.reset(0);
  122. 	}
  123. 	catch (const XMLException& toCatch) {
  124. 		throw BulletMLError(uc2string(toCatch.getMessage()));
  125.     }
  127.     XMLPlatformUtils::Terminate();
  128. }
  130. #endif // USE_XERCES