// Token: 0x06000256 RID: 598 RVA: 0x0000B710 File Offset: 0x00009910
private static void CalculateMethodAndChunkSize_Utf8(bool allowQEncoding, ByteEncoder.Tables.CharClasses unsafeCharClassesForQEncoding, Encoding encoding, string value, int valueOffset, int encodedWordSpace, out byte method, out int chunkSize)
{
int num = encodedWordSpace / 4 * 3;
int num2 = 0;
int num3 = 0;
int num4 = 0;
int num5 = 0;
int num6 = valueOffset;
bool flag = false;
bool flag2 = false;
while (num6 != value.Length && (!flag || !flag2))
{
int num7 = 1;
int num8 = 1;
int num9 = 1;
char c = value[num6++];
if (MimeCommon.QEncodingRequired(c, unsafeCharClassesForQEncoding))
{
if (c > '\u007f')
{
num9++;
if (c > '߿')
{
num9++;
if (MimeCommon.IsAnySurrogate(c) && MimeCommon.IsHighSurrogate(c) && num6 != value.Length && MimeCommon.IsLowSurrogate(value[num6]))
{
num6++;
num7++;
num9++;
}
}
}
num8 = num9 * 3;
}
flag = (flag || num5 + num9 > num);
flag2 = (flag2 || num3 + num8 > encodedWordSpace);
if (!flag)
{
num5 += num9;
num4 += num7;
}
if (!flag2)
{
num3 += num8;
num2 += num7;
}
}
if (num2 >= num4 && num3 < num5 + 3)
{
chunkSize = num2;
method = 81;
return;
}
chunkSize = MimeCommon.AdjustChunkSize(encoding, num4, value, valueOffset, num);
method = 66;
}
// Token: 0x06000254 RID: 596 RVA: 0x0000B4B0 File Offset: 0x000096B0
private static void CalculateMethodAndChunkSize_Sbcs(bool allowQEncoding, ByteEncoder.Tables.CharClasses unsafeCharClassesForQEncoding, Encoding encoding, string value, int valueOffset, int encodedWordSpace, out byte method, out int chunkSize)
{
int num = encodedWordSpace / 4 * 3;
int num2 = Math.Min(num, value.Length - valueOffset);
if (num2 != value.Length - valueOffset && MimeCommon.IsHighSurrogate(value[valueOffset + num2 - 1]) && MimeCommon.IsLowSurrogate(value[valueOffset + num2]))
{
num2--;
}
int num3 = (num2 + 2) / 3 * 4;
if (!allowQEncoding)
{
chunkSize = MimeCommon.AdjustChunkSize(encoding, num2, value, valueOffset, num);
method = 66;
return;
}
int num4 = 0;
int num5 = 0;
int num6 = valueOffset;
while (num6 != value.Length && num5 < encodedWordSpace)
{
int num7 = 1;
int num8 = 1;
char ch = value[num6++];
if (MimeCommon.QEncodingRequired(ch, unsafeCharClassesForQEncoding))
{
num8 = 3;
if (MimeCommon.IsHighSurrogate(ch) && num6 != value.Length && MimeCommon.IsLowSurrogate(value[num6]))
{
num6++;
num7++;
num8 = 6;
}
}
if (num5 + num8 > encodedWordSpace)
{
break;
}
num5 += num8;
num4 += num7;
if (num5 > num3 && num4 <= num2)
{
break;
}
}
if (num4 >= num2 && num5 < num3 + 3)
{
chunkSize = num4;
method = 81;
return;
}
chunkSize = MimeCommon.AdjustChunkSize(encoding, num2, value, valueOffset, num);
method = 66;
}
// Token: 0x06000259 RID: 601 RVA: 0x0000B934 File Offset: 0x00009B34
private static void CalculateMethodAndChunkSize_Mbcs(bool allowQEncoding, ByteEncoder.Tables.CharClasses unsafeCharClassesForQEncoding, Encoding encoding, string value, int valueOffset, int encodedWordSpace, out byte method, out int chunkSize)
{
int num = encodedWordSpace / 4 * 3;
chunkSize = Math.Min(num, value.Length - valueOffset);
if (chunkSize < value.Length - valueOffset && MimeCommon.IsLowSurrogate(value[valueOffset + chunkSize]) && MimeCommon.IsHighSurrogate(value[valueOffset + chunkSize - 1]))
{
chunkSize--;
}
chunkSize = MimeCommon.AdjustChunkSize(encoding, chunkSize, value, valueOffset, num);
method = 66;
}