Ejemplo n.º 1
0
bool Parser::parse(IReader& reader, bool verbose) {
	wchar_t entityBuf;

	debug = verbose;
	tagPage = 0;
	attributePage = 0;

	if (!reader.readByte(version))
		return false;
	if (version != 0x03)
		return false;
    if (debug) cout << " : Version";

	if (!reader.readMultiByteInt(publicIdentifierId))
		return false;
	if (debug) cout << " : PublicIdentifierId";
	unsigned int dtdIndex = 0;
	if (publicIdentifierId == 0) {
		if (!reader.readMultiByteInt(dtdIndex))
			return false;
		if (debug) cout << " : dtdIndex";
	} else {
		return false;
	}

	if (dtdIndex != 0)
		return false;

	if (!reader.readMultiByteInt(charSet))
		return false;
	if (charSet != 0x6a)
		return false;
	if (debug) cout << " : CharSet";

	unsigned int len;
	if (!reader.readMultiByteInt(len))
		return false;
	if (debug) cout << " : StringTable Len";
	unsigned int offset = 0;
	while (offset < len) {
		wstring s;
		unsigned short utflen;
		if (!reader.readUTF(s, utflen))
			return false;
		unsigned char b;
		if (!reader.readByte(b))
			return false; // skip null termination
		if (debug) cout << " : null termination";
		reader.putStrT(offset, s);
		offset += utflen + 2+ 1;
	}

	if (!contentHandler.startDocument())
		return false;

	if (publicIdentifierId == 0) {
		wstring dtdPair;
		if (!reader.getStrT(dtdIndex, dtdPair))
			return false;
		if (debug) cout << " : dtdPair";
		size_t space = dtdPair.find(' ');
		if (space == string::npos) {
			cout << endl << "DTD specifier does not contain 'space'"<< endl;
			exit(1);
		}
		wstring name = dtdPair.substr(0, space);
		wstring dtd = dtdPair.substr(space+1);

		istream* resolverStream = resolver.resolveEntity(name,L"" , dtd);
		if (resolverStream != NULL) {
			// FIXME, use the resolver stream
			cout << endl << "Entity Resolver NOT Used." << endl;
		}
	}

	unsigned char id;
	while (reader.readByte(id)) {
		switch (id) {
			case WBXML::SWITCH_PAGE:
			if (debug) cout << " : Switch Page";
			if (!reader.readByte(tagPage)) return false;
			if (debug) cout << " : TagPage: " << (unsigned int)tagPage;
			break;

			case WBXML::END: {
				unsigned int tagID;
				if (stack.empty()) return false;
				tagID = stack.top();
				stack.pop();
				if (debug) cout << " : </" << tagHandler.getTag(tagID) << ">";
				if (!contentHandler.endElement(tagID)) return false;
				break;
			}
			case WBXML::ENTITY:
			if (debug) cout << " : Entity";
			if (!reader.readMultiByteInt((unsigned int&)entityBuf)) return false;
			if (debug) cout << " : " << entityBuf;
			if (!contentHandler.characters(&entityBuf, 0, 1)) return false;
			break;

			case WBXML::STR_I: {
				if (debug) cout << " : STR_I";
				wstring s;
				if (!reader.readStrI(s)) return false;
				if (!contentHandler.characters(s, 0, s.length())) return false;
				break;
			}
			case WBXML::EXT_I_0:
			case WBXML::EXT_I_1:
			case WBXML::EXT_I_2:
			case WBXML::EXT_T_0:
			case WBXML::EXT_T_1:
			case WBXML::EXT_T_2:
			case WBXML::EXT_0:
			case WBXML::EXT_1:
			case WBXML::EXT_2:
			case WBXML::OPAQUE: {
				MutableAttributes result;
				vector<wstring> value;
				if (!handleExtensions(reader, id, stack.top(), -1, result, value)) return false;
				break;
			}
			case WBXML::PI:
				if (debug) cout << " : PI";
			return false;
			//				throw new SAXException("PI Not Supported");
			break;

			case WBXML::STR_T: {
				if (debug) cout << " : STR_T";
				wstring s;
				unsigned int pos;
				if (!reader.readStrT(s, pos)) return false;
				if (!contentHandler.characters(s, 0, s.size())) return false;
				break;
			}
			default:
			if (!readElement(reader, id)) return false;
			break;
		}
	}

	if (!stack.empty()) {
		cout << endl << "Stack not empty " << stack.size();
		return false;
		//	throw new SAXException("unclosed elements: " + stack);
	}

	return contentHandler.endDocument();
}
Ejemplo n.º 2
0
// FIXME, no handling of arrays yet
bool DefaultExtensionHandler::opaque(unsigned int len, IReader& reader,
		unsigned int tagID, int attributeID, MutableAttributes& atts,
		vector<wstring>& value) {
	// read type
	unsigned char type;
	if (!reader.readByte(type))
		return false;
	if (debug) cout << " : Type: "<< atts.getTypeName((IAttributes::Types)type);
	len--;

	switch (type) {
	case IAttributes::BOOLEAN:
		if (len == 1) {
			bool b;
			if (!reader.readBoolean(b))
				return false;
			atts.set(attributeID, b);
			len--;
		} else {
			//			boolean[] array = new boolean[len];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readByte() != 0;
			//				len--;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::BYTE:
		if (len == 1) {
			unsigned char b;
			if (!reader.readByte(b))
				return false;
			atts.set(attributeID, b);
			len--;
		} else {
			//			byte[] array = new byte[len];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readByte();
			//				len--;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::CHAR:
		if (len == 2) {
			wchar_t c;
			if (!reader.readChar(c))
				return false;
			atts.set(attributeID, c);
			len-=2;
		} else {
			//			char[] array = new char[len/2];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readChar();
			//				len-=2;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::DOUBLE:
		if (len == 8) {
			double d;
			if (!reader.readDouble(d))
				return false;
			atts.set(attributeID, d);
			len -= 8;
		} else {
			//			double[] array = new double[len/8];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readDouble();
			//				len-=8;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::FLOAT:
		if (len == 4) {
			float f;
			if (!reader.readFloat(f))
				return false;
			atts.set(attributeID, f);
			len -= 4;
		} else {
			//			float[] array = new float[len/4];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readFloat();
			//				len-=4;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::INT:
		if (len == 4) {
			int i;
			if (!reader.readInt(i))
				return false;
			atts.set(attributeID, i);
			len -= 4;
		} else {
			//			int[] array = new int[len/4];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readInt();
			//				len-=4;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::LONG:
		if (len == 8) {
			int64 l;
			if (!reader.readLong(l))
				return false;
			atts.set(attributeID, l);
			len -= 8;
		} else {
			//			long[] array = new long[len/8];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readLong();
			//				len-=8;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::SHORT:
		if (len == 2) {
			short s;
			if (!reader.readShort(s))
				return false;
			atts.set(attributeID, s);
			len -= 2;
		} else {
			//			short[] array = new short[len/2];
			//			for (int i=0; i<array.length; i++) {
			//				array[i] = in.readShort();
			//				len-=2;
			//			}
			//			atts.set(attributeID, array);
		}
		break;
	case IAttributes::STRING: {
		vector<wstring> vs;
		while (len != 0) {
			wstring s;
			unsigned short utflen;
			if (!reader.readUTF(s, utflen))
				return false;
			unsigned char b;
			if (!reader.readByte(b))
				return false; // skip NULL termination
			vs.push_back(s);
			len -= utflen + 2+ 1;
		}
		if (vs.size() == 1) {
			atts.set(attributeID, vs[0]);
		} else {
			//			String[] array = new String[vs.size()];
			//			array = (String[])vs.toArray(array);
			//			atts.set(attributeID, array);
		}
	}
		break;
	default:
		cerr << endl << "ERROR No opaque handler for attributeID: "<< attributeID
				<< " part of tagID: "<< tagID << endl;
		return false;
	}
	if (debug) cout << " : Value";
	
	if (len != 0) {
		cerr << endl << "Skipping "<< len << " unused OPAQUE bytes..."<< endl;
		while (len != 0) {
			unsigned char b;
			if (!reader.readByte(b))
				return false;
			len--;
		}
	}
	return true;
}
Ejemplo n.º 3
0
bool Parser::readAttr(IReader& reader, unsigned int tagID, MutableAttributes& atts) {
	int intResult;
	bool hasIntResult = false;
	wchar_t charResult;
	int hasCharResult = false;

	unsigned char id;
	if (!reader.readByte(id))
		return false;
	int attributeID = -1;
	while (id != WBXML::END) {
		// attribute start
		while (id == WBXML::SWITCH_PAGE) {
			if (debug) cout << " : Switch Page";
			if (!reader.readByte(attributePage))
				return false;
			if (debug) cout << " : AttributePage: " << (unsigned int)attributePage;
			if (!reader.readByte(id))
				return false;
		}
		attributeID = getAttributeId(id);

		if (debug) cout << " : AttributeID (0x" << hex << attributeID << "): " << tagHandler.getAttribute(attributeID);

		vector<wstring> value;

		// attribute value(s)
		if (!reader.readByte(id))
			return false;
		while (id > 128|| id == WBXML::SWITCH_PAGE || id == WBXML::ENTITY || id
				== WBXML::STR_I || id == WBXML::STR_T|| (id >= WBXML::EXT_I_0
				&& id <= WBXML::EXT_I_2)|| (id >= WBXML::EXT_T_0 && id
				<= WBXML::EXT_T_2)) {

			switch (id) {
			case WBXML::SWITCH_PAGE:
				if (debug) cout << " : Switch Page";
				if (!reader.readByte(attributePage))
					return false;
				if (debug) cout << " : AttributePage: " << (unsigned int)attributePage;
				break;

			case WBXML::ENTITY:
				if (debug) cout << " : Entity";
				if (!reader.readMultiByteInt((unsigned int&)charResult))
					return false;
				if (debug) cout << " : " << charResult;
				hasCharResult = true;
				value.push_back(&charResult);
				break;

			case WBXML::STR_I: {
				if (debug) cout << " : STR_I";
				wstring s;
				if (!reader.readStrI(s))
					return false;
				value.push_back(s);
				break;
			}
			case WBXML::EXT_I_0:
			case WBXML::EXT_I_1:
			case WBXML::EXT_I_2:
			case WBXML::EXT_T_0:
			case WBXML::EXT_T_1:
			case WBXML::EXT_T_2:
			case WBXML::EXT_0:
			case WBXML::EXT_1:
			case WBXML::EXT_2:
			case WBXML::OPAQUE:
				if (!handleExtensions(reader, id, tagID, attributeID, atts,
						value))
					return false;
				break;

			case WBXML::STR_T: {
				if (debug) cout << " : STR_T";
				wstring s;
				unsigned int pos;
				if (!reader.readStrT(s, pos))
					return false;
				value.push_back(s);
				break;
			}
			default:
				intResult = getAttributeId(id);
				hasIntResult = true;
				wstringstream s;
				s << intResult;
				value.push_back(s.str());
				break;
			}
			if (!reader.readByte(id))
				return false;
		}
		
		switch (value.size()) {
		case 0:
			// already handled
			break;
		case 1:
			if (hasIntResult) {
				atts.set(attributeID, intResult);
			} else if (hasCharResult) {
				atts.set(attributeID, charResult);
			} else {
				atts.set(attributeID, value[0]);
			}
			break;
		default:
			atts.set(attributeID, value);
			break;
		}
		attributeID = -1;
	}
	if (debug) cout << " : AttributeEnd";

	return true;
}