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Merge pull request #2509 from cuberite/UTF16Types 

Improved typing for utf16 and removed a couple of unused methods.
This commit is contained in:
Mattes D 2015-10-02 17:43:00 +02:00
parent 9889664ffa e1d5e5e165
commit c801985697
6 changed files with 17 additions and 55 deletions
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8
Tools/ProtoProxy/Connection.cpp
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@ -1835,12 +1835,12 @@ bool cConnection::HandleServerKick(void)
Reason.append(Split[4]);
Reason.push_back(0);
Reason.append(Split[5]);
AString ReasonBE16 = UTF8ToRawBEUTF16(Reason.data(), Reason.size());
auto ReasonBE16 = UTF8ToRawBEUTF16(Reason);
AString PacketStart("\xff");
PacketStart.push_back(static_cast<char>((ReasonBE16.size() / 2) / 256));
PacketStart.push_back(static_cast<char>((ReasonBE16.size() / 2) % 256));
PacketStart.push_back(static_cast<char>(ReasonBE16.size() / 256));
PacketStart.push_back(static_cast<char>(ReasonBE16.size() % 256));
CLIENTSEND(PacketStart.data(), PacketStart.size());
CLIENTSEND(ReasonBE16.data(), ReasonBE16.size());
CLIENTSEND(reinterpret_cast<const char *>(ReasonBE16.data()), ReasonBE16.size() * sizeof(char16_t));
return true;
}
else

34
src/ByteBuffer.cpp
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@ -473,22 +473,6 @@ bool cByteBuffer::ReadBool(bool & a_Value)
bool cByteBuffer::ReadBEUTF16String16(AString & a_Value)
{
CHECK_THREAD
CheckValid();
UInt16 Length;
if (!ReadBEUInt16(Length))
{
return false;
}
return ReadUTF16String(a_Value, Length);
}
bool cByteBuffer::ReadVarInt32(UInt32 & a_Value)
{
CHECK_THREAD
@ -929,24 +913,6 @@ bool cByteBuffer::ReadString(AString & a_String, size_t a_Count)
bool cByteBuffer::ReadUTF16String(AString & a_String, size_t a_NumChars)
{
// Reads 2 * a_NumChars bytes and interprets it as a UTF16 string, converting it into UTF8 string a_String
CHECK_THREAD
CheckValid();
AString RawData;
if (!ReadString(RawData, a_NumChars * 2))
{
return false;
}
RawBEToUTF8(RawData.data(), a_NumChars, a_String);
return true;
}
bool cByteBuffer::SkipRead(size_t a_Count)
{
CHECK_THREAD

4
src/ByteBuffer.h
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@ -63,7 +63,6 @@ public:
bool ReadBEFloat (float & a_Value);
bool ReadBEDouble (double & a_Value);
bool ReadBool (bool & a_Value);
bool ReadBEUTF16String16(AString & a_Value); // string length as BE short, then string as UTF-16BE
bool ReadVarInt32 (UInt32 & a_Value);
bool ReadVarInt64 (UInt64 & a_Value);
bool ReadVarUTF8String (AString & a_Value); // string length as VarInt, then string as UTF-8
@ -109,9 +108,6 @@ public:
/** Reads a_Count bytes into a_String; returns true if successful */
bool ReadString(AString & a_String, size_t a_Count);
/** Reads 2 * a_NumChars bytes and interprets it as a UTF16-BE string, converting it into UTF8 string a_String */
bool ReadUTF16String(AString & a_String, size_t a_NumChars);
/** Skips reading by a_Count bytes; returns false if not enough bytes in the ringbuffer */
bool SkipRead(size_t a_Count);

6
src/Protocol/ProtocolRecognizer.cpp
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@ -200,10 +200,10 @@ void cProtocolRecognizer::SendDisconnect(const AString & a_Reason)
static const int Packet = 0xff; // PACKET_DISCONNECT
SendData(reinterpret_cast<const char *>(&Packet), 1); // WriteByte()
AString UTF16 = UTF8ToRawBEUTF16(a_Reason.c_str(), a_Reason.length());
static const u_short Size = htons(static_cast<u_short>(UTF16.size() / 2));
auto UTF16 = UTF8ToRawBEUTF16(a_Reason);
static const u_short Size = htons(static_cast<u_short>(UTF16.size()));
SendData(reinterpret_cast<const char *>(&Size), 2); // WriteShort()
SendData(UTF16.data(), UTF16.size()); // WriteString()
SendData(reinterpret_cast<const char *>(UTF16.data()), UTF16.size() * sizeof(char16_t)); // WriteString()
}
}

18
src/StringUtils.cpp
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@ -500,13 +500,13 @@ static bool isLegalUTF8(const unsigned char * source, int length)
AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length)
std::u16string UTF8ToRawBEUTF16(const AString & a_UTF8)
{
AString UTF16;
UTF16.reserve(a_UTF8Length * 3);
std::u16string UTF16;
UTF16.reserve(a_UTF8.size() * 2);
const unsigned char * source = reinterpret_cast<const unsigned char *>(a_UTF8);
const unsigned char * sourceEnd = source + a_UTF8Length;
const unsigned char * source = reinterpret_cast<const unsigned char *>(a_UTF8.data());
const unsigned char * sourceEnd = source + a_UTF8.size();
const int halfShift = 10; // used for shifting by 10 bits
const unsigned int halfBase = 0x0010000UL;
const unsigned int halfMask = 0x3ffUL;
@ -546,13 +546,13 @@ AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length)
ch = ' ';
}
unsigned short v = htons(static_cast<unsigned short>(ch));
UTF16.append(reinterpret_cast<const char *>(&v), 2);
UTF16.push_back(static_cast<char16_t>(v));
}
else if (ch > UNI_MAX_UTF16)
{
// Invalid value, replace with a space
unsigned short v = htons(' ');
UTF16.append(reinterpret_cast<const char *>(&v), 2);
UTF16.push_back(static_cast<char16_t>(v));
}
else
{
@ -560,8 +560,8 @@ AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length)
ch -= halfBase;
unsigned short v1 = htons((ch >> halfShift) + UNI_SUR_HIGH_START);
unsigned short v2 = htons((ch & halfMask) + UNI_SUR_LOW_START);
UTF16.append(reinterpret_cast<const char *>(&v1), 2);
UTF16.append(reinterpret_cast<const char *>(&v2), 2);
UTF16.push_back(static_cast<char16_t>(v1));
UTF16.push_back(static_cast<char16_t>(v2));
}
}
return UTF16;

2
src/StringUtils.h
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@ -82,7 +82,7 @@ extern void ReplaceString(AString & iHayStack, const AString & iNeedle, const AS
extern AString & RawBEToUTF8(const char * a_RawData, size_t a_NumShorts, AString & a_UTF8);
/** Converts a UTF-8 string into a UTF-16 BE string. */
extern AString UTF8ToRawBEUTF16(const char * a_UTF8, size_t a_UTF8Length);
extern std::u16string UTF8ToRawBEUTF16(const AString & a_String);
/** Creates a nicely formatted HEX dump of the given memory block.
Max a_BytesPerLine is 120. */