public void WriteQuotation()
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, 1);
Buffer[Offset++] = (byte)'\"';
}
public void WriteString(string value)
{
if (value == null)
{
WriteNull();
return;
}
// single-path escape
// nonescaped-ensure
var startOffset = Offset;
var max = StringEncoding.UTF8.GetMaxByteCount(value.Length) + 2;
BinaryUtil.EnsureCapacity(ref Buffer, startOffset, max);
var from = 0;
Buffer[Offset++] = (byte)'\"';
// for JIT Optimization, for-loop i < str.Length
for (var i = 0; i < value.Length; i++)
{
byte escapeChar = default;
switch (value[i])
{
case '"':
escapeChar = (byte)'"';
break;
case '\\':
escapeChar = (byte)'\\';
break;
case '\b':
escapeChar = (byte)'b';
break;
case '\f':
escapeChar = (byte)'f';
break;
case '\n':
escapeChar = (byte)'n';
break;
case '\r':
escapeChar = (byte)'r';
break;
case '\t':
escapeChar = (byte)'t';
break;
case (char)0:
case (char)1:
case (char)2:
case (char)3:
case (char)4:
case (char)5:
case (char)6:
case (char)7:
case (char)11:
case (char)14:
case (char)15:
case (char)16:
case (char)17:
case (char)18:
case (char)19:
case (char)20:
case (char)21:
case (char)22:
case (char)23:
case (char)24:
case (char)25:
case (char)26:
case (char)27:
case (char)28:
case (char)29:
case (char)30:
case (char)31:
case '\u0085':
case '\u2028':
case '\u2029':
break;
default:
continue;
}
max += escapeChar == default ? 6 : 2;
BinaryUtil.EnsureCapacity(ref Buffer, startOffset, max); // check +escape capacity
Offset += StringEncoding.UTF8.GetBytes(value, from, i - from, Buffer, Offset);
from = i + 1;
if (escapeChar == default)
{
ToUnicode(value[i], ref Offset, Buffer);
}
else
{
Buffer[Offset++] = (byte)'\\';
Buffer[Offset++] = escapeChar;
}
}
if (from != value.Length)
{
Offset += StringEncoding.UTF8.GetBytes(value, @from, value.Length - @from, Buffer, Offset);
}
Buffer[Offset++] = (byte)'\"';
}
public void WriteEndObject()
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, 1);
Buffer[Offset++] = (byte)'}';
}
public void WriteNameSeparator()
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, 1);
Buffer[Offset++] = (byte)':';
}
public void WriteRaw(byte rawValue)
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, 1);
Buffer[Offset++] = rawValue;
}
public void WriteEndArray()
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, 1);
Buffer[Offset++] = (byte)']';
}
public byte[] ToUtf8ByteArray() =>
Buffer == null
? Array.Empty <byte>()
: BinaryUtil.FastCloneWithResize(Buffer, Offset);
public void EnsureCapacity(int appendLength) => BinaryUtil.EnsureCapacity(ref Buffer, Offset, appendLength);
public static int WriteInt64(ref byte[] buffer, int offset, long value)
{
var startOffset = offset;
long num1 = value, num2, num3, num4, num5, div;
if (value < 0)
{
if (value == long.MinValue) // -9223372036854775808
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 20);
buffer[offset++] = (byte)'-';
buffer[offset++] = (byte)'9';
buffer[offset++] = (byte)'2';
buffer[offset++] = (byte)'2';
buffer[offset++] = (byte)'3';
buffer[offset++] = (byte)'3';
buffer[offset++] = (byte)'7';
buffer[offset++] = (byte)'2';
buffer[offset++] = (byte)'0';
buffer[offset++] = (byte)'3';
buffer[offset++] = (byte)'6';
buffer[offset++] = (byte)'8';
buffer[offset++] = (byte)'5';
buffer[offset++] = (byte)'4';
buffer[offset++] = (byte)'7';
buffer[offset++] = (byte)'7';
buffer[offset++] = (byte)'5';
buffer[offset++] = (byte)'8';
buffer[offset++] = (byte)'0';
buffer[offset++] = (byte)'8';
return(offset - startOffset);
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 1);
buffer[offset++] = (byte)'-';
num1 = unchecked (-value);
}
// WriteUInt64(inlined)
if (num1 < 10000)
{
if (num1 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 1);
goto L1;
}
if (num1 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 2);
goto L2;
}
if (num1 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 3);
goto L3;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 4);
goto L4;
}
else
{
num2 = num1 / 10000;
num1 -= num2 * 10000;
if (num2 < 10000)
{
if (num2 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 5);
goto L5;
}
if (num2 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 6);
goto L6;
}
if (num2 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 7);
goto L7;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 8);
goto L8;
}
else
{
num3 = num2 / 10000;
num2 -= num3 * 10000;
if (num3 < 10000)
{
if (num3 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 9);
goto L9;
}
if (num3 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 10);
goto L10;
}
if (num3 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 11);
goto L11;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 12);
goto L12;
}
else
{
num4 = num3 / 10000;
num3 -= num4 * 10000;
if (num4 < 10000)
{
if (num4 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 13);
goto L13;
}
if (num4 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 14);
goto L14;
}
if (num4 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 15);
goto L15;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 16);
goto L16;
}
else
{
num5 = num4 / 10000;
num4 -= num5 * 10000;
if (num5 < 10000)
{
if (num5 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 17);
goto L17;
}
if (num5 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 18);
goto L18;
}
if (num5 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 19);
goto L19;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 20);
goto L20;
}
L20:
buffer[offset++] = (byte)('0' + (div = (num5 * 8389L) >> 23));
num5 -= div * 1000;
L19:
buffer[offset++] = (byte)('0' + (div = (num5 * 5243L) >> 19));
num5 -= div * 100;
L18:
buffer[offset++] = (byte)('0' + (div = (num5 * 6554L) >> 16));
num5 -= div * 10;
L17:
buffer[offset++] = (byte)('0' + (num5));
}
L16:
buffer[offset++] = (byte)('0' + (div = (num4 * 8389L) >> 23));
num4 -= div * 1000;
L15:
buffer[offset++] = (byte)('0' + (div = (num4 * 5243L) >> 19));
num4 -= div * 100;
L14:
buffer[offset++] = (byte)('0' + (div = (num4 * 6554L) >> 16));
num4 -= div * 10;
L13:
buffer[offset++] = (byte)('0' + (num4));
}
L12:
buffer[offset++] = (byte)('0' + (div = (num3 * 8389L) >> 23));
num3 -= div * 1000;
L11:
buffer[offset++] = (byte)('0' + (div = (num3 * 5243L) >> 19));
num3 -= div * 100;
L10:
buffer[offset++] = (byte)('0' + (div = (num3 * 6554L) >> 16));
num3 -= div * 10;
L9:
buffer[offset++] = (byte)('0' + (num3));
}
L8:
buffer[offset++] = (byte)('0' + (div = (num2 * 8389L) >> 23));
num2 -= div * 1000;
L7:
buffer[offset++] = (byte)('0' + (div = (num2 * 5243L) >> 19));
num2 -= div * 100;
L6:
buffer[offset++] = (byte)('0' + (div = (num2 * 6554L) >> 16));
num2 -= div * 10;
L5:
buffer[offset++] = (byte)('0' + (num2));
}
L4:
buffer[offset++] = (byte)('0' + (div = (num1 * 8389L) >> 23));
num1 -= div * 1000;
L3:
buffer[offset++] = (byte)('0' + (div = (num1 * 5243L) >> 19));
num1 -= div * 100;
L2:
buffer[offset++] = (byte)('0' + (div = (num1 * 6554L) >> 16));
num1 -= div * 10;
L1:
buffer[offset++] = (byte)('0' + (num1));
return(offset - startOffset);
}
public static int WriteUInt64(ref byte[] buffer, int offset, ulong value)
{
var startOffset = offset;
ulong num1 = value, num2, num3, num4, num5, div;
if (num1 < 10000)
{
if (num1 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 1);
goto L1;
}
if (num1 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 2);
goto L2;
}
if (num1 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 3);
goto L3;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 4);
goto L4;
}
else
{
num2 = num1 / 10000;
num1 -= num2 * 10000;
if (num2 < 10000)
{
if (num2 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 5);
goto L5;
}
if (num2 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 6);
goto L6;
}
if (num2 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 7);
goto L7;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 8);
goto L8;
}
else
{
num3 = num2 / 10000;
num2 -= num3 * 10000;
if (num3 < 10000)
{
if (num3 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 9);
goto L9;
}
if (num3 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 10);
goto L10;
}
if (num3 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 11);
goto L11;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 12);
goto L12;
}
else
{
num4 = num3 / 10000;
num3 -= num4 * 10000;
if (num4 < 10000)
{
if (num4 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 13);
goto L13;
}
if (num4 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 14);
goto L14;
}
if (num4 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 15);
goto L15;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 16);
goto L16;
}
else
{
num5 = num4 / 10000;
num4 -= num5 * 10000;
if (num5 < 10000)
{
if (num5 < 10)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 17);
goto L17;
}
if (num5 < 100)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 18);
goto L18;
}
if (num5 < 1000)
{
BinaryUtil.EnsureCapacity(ref buffer, offset, 19);
goto L19;
}
BinaryUtil.EnsureCapacity(ref buffer, offset, 20);
goto L20;
}
L20:
buffer[offset++] = (byte)('0' + (div = (num5 * 8389UL) >> 23));
num5 -= div * 1000;
L19:
buffer[offset++] = (byte)('0' + (div = (num5 * 5243UL) >> 19));
num5 -= div * 100;
L18:
buffer[offset++] = (byte)('0' + (div = (num5 * 6554UL) >> 16));
num5 -= div * 10;
L17:
buffer[offset++] = (byte)('0' + (num5));
}
L16:
buffer[offset++] = (byte)('0' + (div = (num4 * 8389UL) >> 23));
num4 -= div * 1000;
L15:
buffer[offset++] = (byte)('0' + (div = (num4 * 5243UL) >> 19));
num4 -= div * 100;
L14:
buffer[offset++] = (byte)('0' + (div = (num4 * 6554UL) >> 16));
num4 -= div * 10;
L13:
buffer[offset++] = (byte)('0' + (num4));
}
L12:
buffer[offset++] = (byte)('0' + (div = (num3 * 8389UL) >> 23));
num3 -= div * 1000;
L11:
buffer[offset++] = (byte)('0' + (div = (num3 * 5243UL) >> 19));
num3 -= div * 100;
L10:
buffer[offset++] = (byte)('0' + (div = (num3 * 6554UL) >> 16));
num3 -= div * 10;
L9:
buffer[offset++] = (byte)('0' + (num3));
}
L8:
buffer[offset++] = (byte)('0' + (div = (num2 * 8389UL) >> 23));
num2 -= div * 1000;
L7:
buffer[offset++] = (byte)('0' + (div = (num2 * 5243UL) >> 19));
num2 -= div * 100;
L6:
buffer[offset++] = (byte)('0' + (div = (num2 * 6554UL) >> 16));
num2 -= div * 10;
L5:
buffer[offset++] = (byte)('0' + (num2));
}
L4:
buffer[offset++] = (byte)('0' + (div = (num1 * 8389UL) >> 23));
num1 -= div * 1000;
L3:
buffer[offset++] = (byte)('0' + (div = (num1 * 5243UL) >> 19));
num1 -= div * 100;
L2:
buffer[offset++] = (byte)('0' + (div = (num1 * 6554UL) >> 16));
num1 -= div * 10;
L1:
buffer[offset++] = (byte)('0' + (num1));
return(offset - startOffset);
}
public void AddStringSlow(string str)
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, StringEncoding.UTF8.GetMaxByteCount(str.Length));
Offset += StringEncoding.UTF8.GetBytes(str, 0, str.Length, Buffer, Offset);
}
public void AddCharacter(byte str)
{
BinaryUtil.EnsureCapacity(ref Buffer, Offset, 1);
Buffer[Offset++] = str;
}
private void ReadStringSegmentCore(out byte[] resultBytes, out int resultOffset, out int resultLength)
{
// SkipWhiteSpace is already called from IsNull
byte[] builder = null;
var builderOffset = 0;
char[] codePointStringBuffer = null;
var codePointStringOffet = 0;
if (_bytes[_offset] != '\"')
{
throw CreateParsingException("String Begin Token");
}
_offset++;
var from = _offset;
// eliminate array-bound check
for (var i = _offset; i < _bytes.Length; i++)
{
byte escapeCharacter = 0;
switch (_bytes[i])
{
case (byte)'\\': // escape character
switch ((char)_bytes[i + 1])
{
case '"':
case '\\':
case '/':
escapeCharacter = _bytes[i + 1];
goto COPY;
case 'b':
escapeCharacter = (byte)'\b';
goto COPY;
case 'f':
escapeCharacter = (byte)'\f';
goto COPY;
case 'n':
escapeCharacter = (byte)'\n';
goto COPY;
case 'r':
escapeCharacter = (byte)'\r';
goto COPY;
case 't':
escapeCharacter = (byte)'\t';
goto COPY;
case 'u':
codePointStringBuffer ??= StringBuilderCache.GetCodePointStringBuffer();
if (codePointStringOffet == 0)
{
builder ??= StringBuilderCache.GetBuffer();
var copyCount = i - from;
BinaryUtil.EnsureCapacity(ref builder, builderOffset, copyCount + 1); // require + 1
Buffer.BlockCopy(_bytes, from, builder, builderOffset, copyCount);
builderOffset += copyCount;
}
if (codePointStringBuffer.Length == codePointStringOffet)
{
Array.Resize(ref codePointStringBuffer, codePointStringBuffer.Length * 2);
}
var a = (char)_bytes[i + 2];
var b = (char)_bytes[i + 3];
var c = (char)_bytes[i + 4];
var d = (char)_bytes[i + 5];
var codepoint = GetCodePoint(a, b, c, d);
codePointStringBuffer[codePointStringOffet++] = (char)codepoint;
i += 5;
_offset += 6;
from = _offset;
continue;
default:
throw CreateParsingExceptionMessage("Bad JSON escape.");
}
case (byte)'"': // endtoken
_offset++;
goto END;
default: // string
if (codePointStringOffet != 0)
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
BinaryUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
builderOffset += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
codePointStringOffet = 0;
}
_offset++;
continue;
}
COPY:
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
if (codePointStringOffet != 0)
{
BinaryUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
builderOffset += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
codePointStringOffet = 0;
}
var copyCount = i - from;
BinaryUtil.EnsureCapacity(ref builder, builderOffset, copyCount + 1); // require + 1!
Buffer.BlockCopy(_bytes, from, builder, builderOffset, copyCount);
builderOffset += copyCount;
builder[builderOffset++] = escapeCharacter;
i += 1;
_offset += 2;
from = _offset;
}
}
resultLength = 0;
resultBytes = null;
resultOffset = 0;
throw CreateParsingException("String End Token");
END:
if (builderOffset == 0 && codePointStringOffet == 0) // no escape
{
resultBytes = _bytes;
resultOffset = from;
resultLength = _offset - 1 - from; // skip last quote
}
else
{
if (builder == null)
{
builder = StringBuilderCache.GetBuffer();
}
if (codePointStringOffet != 0)
{
BinaryUtil.EnsureCapacity(ref builder, builderOffset, StringEncoding.UTF8.GetMaxByteCount(codePointStringOffet));
builderOffset += StringEncoding.UTF8.GetBytes(codePointStringBuffer, 0, codePointStringOffet, builder, builderOffset);
codePointStringOffet = 0;
}
var copyCount = _offset - from - 1;
BinaryUtil.EnsureCapacity(ref builder, builderOffset, copyCount);
Buffer.BlockCopy(_bytes, from, builder, builderOffset, copyCount);
builderOffset += copyCount;
resultBytes = builder;
resultOffset = 0;
resultLength = builderOffset;
}
}
