C++ LLSD::asBinary方法代码示例

	void sd_object::test<2>()
	{
		const std::string decoded("random");
		//const std::string encoded("cmFuZG9t\n");
		const std::string streamed("b(6)\"random\"");
		typedef std::vector<U8> buf_t;
		buf_t buf;
		std::copy(
			decoded.begin(),
			decoded.end(),
			std::back_insert_iterator<buf_t>(buf));
		LLSD sd;
		sd = buf;
		std::stringstream str;
		S32 count = LLSDSerialize::toNotation(sd, str);
		ensure_equals("output count", count, 1);
		std::string actual(str.str());
		ensure_equals("formatted binary encoding", actual, streamed);
		sd.clear();
		LLSDSerialize::fromNotation(sd, str);
		std::vector<U8> after;
		after = sd.asBinary();
		ensure_equals("binary decoded size", after.size(), decoded.size());
		ensure("binary decoding", (0 == memcmp(
									   &after[0],
									   decoded.c_str(),
									   decoded.size())));
	}

	void sd_object::test<5>()
	{
		for(S32 i = 0; i < 100; ++i)
		{
			// gen up a starting point
			typedef std::vector<U8> buf_t;
			buf_t source;
			srand(666 + i);		/* Flawfinder: ignore */
			S32 size = rand() % 1000 + 10;
			std::generate_n(
				std::back_insert_iterator<buf_t>(source),
				size,
				rand);
			std::stringstream str;
			str << "b(" << size << ")\"";
			str.write((const char*)&source[0], size);
			str << "\"";
			LLSD sd;
			S32 count = LLSDSerialize::fromNotation(sd, str);
			ensure_equals("binary parse", count, 1);
			buf_t actual = sd.asBinary();
			ensure_equals("binary size", actual.size(), (size_t)size);
			ensure("binary data", (0 == memcmp(&source[0], &actual[0], size)));
		}
	}

// Converts an LLSD binary to an LLSD string
LLSD ll_string_from_binary(const LLSD& sd)
{
	std::vector<U8> value = sd.asBinary();
	std::string str;
	str.resize(value.size());
	memcpy(&str[0], &value[0], value.size());
	return str;
}

const std::string LLSavedLoginEntry::decryptPassword(const LLSD& pwdata)
{
	std::string pw = "";

	if (pwdata.isBinary() && pwdata.asBinary().size() == PASSWORD_HASH_LENGTH+1)
	{
		LLSD::Binary buffer = pwdata.asBinary();

		LLXORCipher cipher(gMACAddress, 6);
		cipher.decrypt(&buffer[0], PASSWORD_HASH_LENGTH);

		buffer[PASSWORD_HASH_LENGTH] = '\0';
		if (LLStringOps::isHexString(std::string(reinterpret_cast<const char*>(&buffer[0]), PASSWORD_HASH_LENGTH)))
		{
			pw.assign(reinterpret_cast<char*>(&buffer[0]));
		}
	}

	return pw;
}

U32 ll_ipaddr_from_sd(const LLSD& sd)
{
	U32 ret;
	std::vector<U8> v = sd.asBinary();
	if (v.size() < 4)
	{
		return 0;
	}
	memcpy(&ret, &(v[0]), 4);		/* Flawfinder: ignore */
	return ret;
}

U64 ll_U64_from_sd(const LLSD& sd)
{
	U32 high, low;
	std::vector<U8> v = sd.asBinary();

	if (v.size() < 8)
	{
		return 0;
	}

	memcpy(&high, &(v[0]), 4);		/* Flawfinder: ignore */
	memcpy(&low, &(v[4]), 4);		/* Flawfinder: ignore */
	high = ntohl(high);
	low = ntohl(low);

	return ((U64)high) << 32 | low;
}

//.........这里部分代码省略.........
				format_count += format_impl((*iter).second, ostr, options, level + 1);
			}
			ostr << pre <<  "</map>" << post;
		}
		break;

	case LLSD::TypeArray:
		if(0 == data.size())
		{
			ostr << pre << "<array />" << post;
		}
		else
		{
			ostr << pre << "<array>" << post;
			LLSD::array_const_iterator iter = data.beginArray();
			LLSD::array_const_iterator end = data.endArray();
			for(; iter != end; ++iter)
			{
				format_count += format_impl(*iter, ostr, options, level + 1);
			}
			ostr << pre << "</array>" << post;
		}
		break;

	case LLSD::TypeUndefined:
		ostr << pre << "<undef />" << post;
		break;

	case LLSD::TypeBoolean:
		ostr << pre << "<boolean>";
		if(mBoolAlpha ||
		   (ostr.flags() & std::ios::boolalpha)
			)
		{
			ostr << (data.asBoolean() ? "true" : "false");
		}
		else
		{
			ostr << (data.asBoolean() ? 1 : 0);
		}
		ostr << "</boolean>" << post;
		break;

	case LLSD::TypeInteger:
		ostr << pre << "<integer>" << data.asInteger() << "</integer>" << post;
		break;

	case LLSD::TypeReal:
		ostr << pre << "<real>";
		if(mRealFormat.empty())
		{
			ostr << data.asReal();
		}
		else
		{
			formatReal(data.asReal(), ostr);
		}
		ostr << "</real>" << post;
		break;

	case LLSD::TypeUUID:
		if(data.asUUID().isNull()) ostr << pre << "<uuid />" << post;
		else ostr << pre << "<uuid>" << data.asUUID() << "</uuid>" << post;
		break;

	case LLSD::TypeString:
		if(data.asStringRef().empty()) ostr << pre << "<string />" << post;
		else ostr << pre << "<string>" << escapeString(data.asStringRef()) <<"</string>" << post;
		break;

	case LLSD::TypeDate:
		ostr << pre << "<date>" << data.asDate() << "</date>" << post;
		break;

	case LLSD::TypeURI:
		ostr << pre << "<uri>" << escapeString(data.asString()) << "</uri>" << post;
		break;

	case LLSD::TypeBinary:
	{
		const LLSD::Binary& buffer = data.asBinary();
		if(buffer.empty())
		{
			ostr << pre << "<binary />" << post;
		}
		else
		{
			ostr << pre << "<binary encoding=\"base64\">";
			ostr << LLBase64::encode(&buffer[0], buffer.size());
			ostr << "</binary>" << post;
		}
		break;
	}
	default:
		// *NOTE: This should never happen.
		ostr << pre << "<undef />" << post;
		break;
	}
	return format_count;
}

	void ensure_equals(const std::string& msg, const LLSD& actual,
		const LLSD& expected)
	{
		ensure_equals(msg + " type", actual.type(), expected.type());
		switch (actual.type())
		{
			case LLSD::TypeUndefined:
				return;
			
			case LLSD::TypeBoolean:
				ensure_equals(msg + " boolean", actual.asBoolean(), expected.asBoolean());
				return;
			
			case LLSD::TypeInteger:
				ensure_equals(msg + " integer", actual.asInteger(), expected.asInteger());
				return;
			
			case LLSD::TypeReal:
				ensure_equals(msg + " real", actual.asReal(), expected.asReal());
				return;
			
			case LLSD::TypeString:
				ensure_equals(msg + " string", actual.asString(), expected.asString());
				return;
			
			case LLSD::TypeUUID:
				ensure_equals(msg + " uuid", actual.asUUID(), expected.asUUID());
				return;
			
			case LLSD::TypeDate:
				ensure_equals(msg + " date", actual.asDate(), expected.asDate());
				return;
				
			case LLSD::TypeURI:
				ensure_equals(msg + " uri", actual.asURI(), expected.asURI());
				return;
		
			case LLSD::TypeBinary:
				ensure_equals(msg + " binary", actual.asBinary(), expected.asBinary());
				return;
		
			case LLSD::TypeMap:
			{
				ensure_equals(msg + " map size", actual.size(), expected.size());
				
				LLSD::map_const_iterator actual_iter = actual.beginMap();
				LLSD::map_const_iterator expected_iter = expected.beginMap();
				
				while(actual_iter != actual.endMap())
				{
					ensure_equals(msg + " map keys", 
						actual_iter->first, expected_iter->first);
					ensure_equals(msg + "[" + actual_iter->first + "]",
						actual_iter->second, expected_iter->second);
					++actual_iter;
					++expected_iter;
				}
				return;
			}
			case LLSD::TypeArray:
			{
				ensure_equals(msg + " array size", actual.size(), expected.size());
				
				for(int i = 0; i < actual.size(); ++i)
				{
					ensure_equals(msg + llformat("[%d]", i),
						actual[i], expected[i]);
				}
				return;
			}
			default:
				// should never get here, but compiler produces warning if we
				// don't cover this case, and at Linden warnings are fatal.
				throw failure(STRINGIZE("invalid type field " << actual.type()));
		}
	}

//.........这里部分代码省略.........
#endif
		ostr << "<array><data>";
		LLSD::array_const_iterator it = sd.beginArray();
		LLSD::array_const_iterator end = sd.endArray();
		for(; it != end; ++it)
		{
			streamOut(ostr, *it);
			if(ostr.fail())
			{
				llinfos << "STREAM FAILURE writing array element sd type "
						<< (*it).type() << llendl;
			}
		}
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(array) END" << llendl;
#endif
		ostr << "</data></array>";
		break;
	}
	case LLSD::TypeUndefined:
		// treat undefined as a bool with a false value.
	case LLSD::TypeBoolean:
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(bool)" << llendl;
#endif
		ostr << "<boolean>" << (sd.asBoolean() ? "1" : "0") << "</boolean>";
		break;
	case LLSD::TypeInteger:
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(int)" << llendl;
#endif
		ostr << "<i4>" << sd.asInteger() << "</i4>";
		break;
	case LLSD::TypeReal:
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(real)" << llendl;
#endif
		ostr << "<double>" << sd.asReal() << "</double>";
		break;
	case LLSD::TypeString:
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(string)" << llendl;
#endif
		ostr << "<string>" << xml_escape_string(sd.asString()) << "</string>";
		break;
	case LLSD::TypeUUID:
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(uuid)" << llendl;
#endif
		// serialize it as a string
		ostr << "<string>" << sd.asString() << "</string>";
		break;
	case LLSD::TypeURI:
	{
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(uri)" << llendl;
#endif
		// serialize it as a string
		ostr << "<string>" << xml_escape_string(sd.asString()) << "</string>";
		break;
	}
	case LLSD::TypeBinary:
	{
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(binary)" << llendl;
#endif
		// this is pretty inefficient, but we'll deal with that
		// problem when it becomes one.
		ostr << "<base64>";
		LLSD::Binary buffer = sd.asBinary();
		if(!buffer.empty())
		{
			// *TODO: convert to LLBase64
			int b64_buffer_length = apr_base64_encode_len(buffer.size());
			char* b64_buffer = new char[b64_buffer_length];
			b64_buffer_length = apr_base64_encode_binary(
				b64_buffer,
				&buffer[0],
				buffer.size());
			ostr.write(b64_buffer, b64_buffer_length - 1);
			delete[] b64_buffer;
		}
		ostr << "</base64>";
		break;
	}
	case LLSD::TypeDate:
#if LL_SPEW_STREAM_OUT_DEBUGGING
		llinfos << "streamOut(date)" << llendl;
#endif
		// no need to escape this since it will be alpha-numeric.
		ostr << "<dateTime.iso8601>" << sd.asString() << "</dateTime.iso8601>";
		break;
	default:
		// unhandled type
		llwarns << "Unhandled structured data type: " << sd.type()
			<< llendl;
		break;
	}
	ostr << "</value>";
}

LLMaterialID::LLMaterialID(const LLSD& pMaterialID)
{
	llassert(pMaterialID.isBinary());
	parseFromBinary(pMaterialID.asBinary());
}

// virtual
S32 LLSDBinaryFormatter::format(const LLSD& data, std::ostream& ostr, U32 options) const
{
	S32 format_count = 1;
	switch(data.type())
	{
	case LLSD::TypeMap:
	{
		ostr.put('{');
		U32 size_nbo = htonl(data.size());
		ostr.write((const char*)(&size_nbo), sizeof(U32));
		LLSD::map_const_iterator iter = data.beginMap();
		LLSD::map_const_iterator end = data.endMap();
		for(; iter != end; ++iter)
		{
			ostr.put('k');
			formatString((*iter).first, ostr);
			format_count += format((*iter).second, ostr);
		}
		ostr.put('}');
		break;
	}

	case LLSD::TypeArray:
	{
		ostr.put('[');
		U32 size_nbo = htonl(data.size());
		ostr.write((const char*)(&size_nbo), sizeof(U32));
		LLSD::array_const_iterator iter = data.beginArray();
		LLSD::array_const_iterator end = data.endArray();
		for(; iter != end; ++iter)
		{
			format_count += format(*iter, ostr);
		}
		ostr.put(']');
		break;
	}

	case LLSD::TypeUndefined:
		ostr.put('!');
		break;

	case LLSD::TypeBoolean:
		if(data.asBoolean()) ostr.put(BINARY_TRUE_SERIAL);
		else ostr.put(BINARY_FALSE_SERIAL);
		break;

	case LLSD::TypeInteger:
	{
		ostr.put('i');
		U32 value_nbo = htonl(data.asInteger());
		ostr.write((const char*)(&value_nbo), sizeof(U32));
		break;
	}

	case LLSD::TypeReal:
	{
		ostr.put('r');
		F64 value_nbo = ll_htond(data.asReal());
		ostr.write((const char*)(&value_nbo), sizeof(F64));
		break;
	}

	case LLSD::TypeUUID:
		ostr.put('u');
		ostr.write((const char*)(&(data.asUUID().mData)), UUID_BYTES);
		break;

	case LLSD::TypeString:
		ostr.put('s');
		formatString(data.asString(), ostr);
		break;

	case LLSD::TypeDate:
	{
		ostr.put('d');
		F64 value = data.asReal();
		ostr.write((const char*)(&value), sizeof(F64));
		break;
	}

	case LLSD::TypeURI:
		ostr.put('l');
		formatString(data.asString(), ostr);
		break;

	case LLSD::TypeBinary:
	{
		// *FIX: memory inefficient.
		ostr.put('b');
		std::vector<U8> buffer = data.asBinary();
		U32 size_nbo = htonl(buffer.size());
		ostr.write((const char*)(&size_nbo), sizeof(U32));
		if(buffer.size()) ostr.write((const char*)&buffer[0], buffer.size());
		break;
	}

	default:
		// *NOTE: This should never happen.
		ostr.put('!');
//.........这里部分代码省略.........

void DOHexEditor::setValue(const LLSD& value)
{
	mValue = value.asBinary();
	changedLength();
}

//.........这里部分代码省略.........
			ostr << pre << "<array>" << post;
			LLSD::array_const_iterator iter = data.beginArray();
			LLSD::array_const_iterator end = data.endArray();
			for(; iter != end; ++iter)
			{
				format_count += format_impl(*iter, ostr, options, level + 1);
			}
			ostr << pre << "</array>" << post;
		}
		break;

	case LLSD::TypeUndefined:
		ostr << pre << "<undef />" << post;
		break;

	case LLSD::TypeBoolean:
		ostr << pre << "<boolean>";
		if(mBoolAlpha ||
#if( LL_WINDOWS || __GNUC__ > 2)
		   (ostr.flags() & std::ios::boolalpha)
#else
		   (ostr.flags() & 0x0100)
#endif
			)
		{
			ostr << (data.asBoolean() ? "true" : "false");
		}
		else
		{
			ostr << (data.asBoolean() ? 1 : 0);
		}
		ostr << "</boolean>" << post;
		break;

	case LLSD::TypeInteger:
		ostr << pre << "<integer>" << data.asInteger() << "</integer>" << post;
		break;

	case LLSD::TypeReal:
		ostr << pre << "<real>";
		if(mRealFormat.empty())
		{
			ostr << data.asReal();
		}
		else
		{
			formatReal(data.asReal(), ostr);
		}
		ostr << "</real>" << post;
		break;

	case LLSD::TypeUUID:
		if(data.asUUID().isNull()) ostr << pre << "<uuid />" << post;
		else ostr << pre << "<uuid>" << data.asUUID() << "</uuid>" << post;
		break;

	case LLSD::TypeString:
		if(data.asString().empty()) ostr << pre << "<string />" << post;
		else ostr << pre << "<string>" << escapeString(data.asString()) <<"</string>" << post;
		break;

	case LLSD::TypeDate:
		ostr << pre << "<date>" << data.asDate() << "</date>" << post;
		break;

	case LLSD::TypeURI:
		ostr << pre << "<uri>" << escapeString(data.asString()) << "</uri>" << post;
		break;

	case LLSD::TypeBinary:
	{
		LLSD::Binary buffer = data.asBinary();
		if(buffer.empty())
		{
			ostr << pre << "<binary />" << post;
		}
		else
		{
			// *FIX: memory inefficient.
			// *TODO: convert to use LLBase64
			ostr << pre << "<binary encoding=\"base64\">";
			int b64_buffer_length = apr_base64_encode_len(buffer.size());
			char* b64_buffer = new char[b64_buffer_length];
			b64_buffer_length = apr_base64_encode_binary(
				b64_buffer,
				&buffer[0],
				buffer.size());
			ostr.write(b64_buffer, b64_buffer_length - 1);
			delete[] b64_buffer;
			ostr << "</binary>" << post;
		}
		break;
	}
	default:
		// *NOTE: This should never happen.
		ostr << pre << "<undef />" << post;
		break;
	}
	return format_count;
}

//.........这里部分代码省略.........
			if(need_comma) ostr << ",";
			need_comma = true;
			format_count += format_impl(*iter, ostr, options, level + 1);
		}
		ostr << "]";
		break;
	}

	case LLSD::TypeUndefined:
		ostr << "!";
		break;

	case LLSD::TypeBoolean:
		if(mBoolAlpha ||
#if( LL_WINDOWS || __GNUC__ > 2)
		   (ostr.flags() & std::ios::boolalpha)
#else
		   (ostr.flags() & 0x0100)
#endif
			)
		{
			ostr << (data.asBoolean()
					 ? NOTATION_TRUE_SERIAL : NOTATION_FALSE_SERIAL);
		}
		else
		{
			ostr << (data.asBoolean() ? 1 : 0);
		}
		break;

	case LLSD::TypeInteger:
		ostr << "i" << data.asInteger();
		break;

	case LLSD::TypeReal:
		ostr << "r";
		if(mRealFormat.empty())
		{
			ostr << data.asReal();
		}
		else
		{
			formatReal(data.asReal(), ostr);
		}
		break;

	case LLSD::TypeUUID:
		ostr << "u" << data.asUUID();
		break;

	case LLSD::TypeString:
		ostr << '\'';
		serialize_string(data.asStringRef(), ostr);
		ostr << '\'';
		break;

	case LLSD::TypeDate:
		ostr << "d\"" << data.asDate() << "\"";
		break;

	case LLSD::TypeURI:
		ostr << "l\"";
		serialize_string(data.asString(), ostr);
		ostr << "\"";
		break;

	case LLSD::TypeBinary:
	{
		// *FIX: memory inefficient.
		const std::vector<U8>& buffer = data.asBinary();
		ostr << "b(" << buffer.size() << ")\"";
		if(buffer.size())
		{
			if (options & LLSDFormatter::OPTIONS_PRETTY_BINARY)
			{
				std::ios_base::fmtflags old_flags = ostr.flags();
				ostr.setf( std::ios::hex, std::ios::basefield );
				ostr << "0x";
				for (size_t i = 0; i < buffer.size(); i++)
				{
					ostr << (int) buffer[i];
				}
				ostr.flags(old_flags);
			}
			else
			{
				ostr.write((const char*)&buffer[0], buffer.size());
			}
		}
		ostr << "\"";
		break;
	}

	default:
		// *NOTE: This should never happen.
		ostr << "!";
		break;
	}
	return format_count;
}