internal static void calc_symlen(PairsData d, int s, ref string tmp)
{
int s1;
int s2;
byte[] w = d.sympat + 3 * s;
s2 = (w[2] << 4) | (w[1] >> 4);
if (s2 == 0x0fff)
{
d.symlen[s] = 0;
}
else
{
s1 = ((w[1] & 0xf) << 8) | w[0];
if (!tmp[s1])
{
GlobalMembersTbcore.calc_symlen(d, s1, ref tmp);
}
if (!tmp[s2])
{
GlobalMembersTbcore.calc_symlen(d, s2, ref tmp);
}
d.symlen[s] = (byte)(d.symlen[s1] + d.symlen[s2] + 1);
}
tmp[s] = 1;
}
internal static PairsData setup_pairs(byte[] data, ulong tb_size, ulong[] size, byte[][] next, ref byte flags, int wdl)
{
PairsData d;
int i;
flags = data[0];
if (data[0] & 0x80)
{
//C++ TO C# CONVERTER TODO TASK: The memory management function 'malloc' has no equivalent in C#:
d = (PairsData)malloc(sizeof(PairsData));
d.idxbits = 0;
if (wdl != 0)
{
d.min_len = data[1];
}
else
{
d.min_len = 0;
}
next = data + 2;
size[0] = size[1] = size[2] = 0;
return(d);
}
int blocksize = data[1];
int idxbits = data[2];
int real_num_blocks = GlobalMembersTbcore.ReadUint32(data[4]);
int num_blocks = real_num_blocks + (byte)(data[3]);
int max_len = data[8];
int min_len = data[9];
int h = max_len - min_len + 1;
int num_syms = GlobalMembersTbcore.ReadUshort(data[10 + 2 * h]);
//C++ TO C# CONVERTER TODO TASK: The memory management function 'malloc' has no equivalent in C#:
d = (PairsData)malloc(sizeof(PairsData) + (h - 1) * sizeof(ulong) + num_syms);
d.blocksize = blocksize;
d.idxbits = idxbits;
d.offset = (ushort)(data[10]);
d.symlen = ((byte)d) + sizeof(PairsData) + (h - 1) * sizeof(ulong);
d.sympat = data[12 + 2 * h];
d.min_len = min_len;
next = &data[12 + 2 * h + 3 * num_syms + (num_syms & 1)];
ulong num_indices = (tb_size + (1UL << idxbits) - 1) >> idxbits;
size[0] = 6UL * num_indices;
size[1] = 2UL * num_blocks;
size[2] = (1UL << blocksize) * real_num_blocks;
// char tmp[num_syms];
string tmp = new string(new char[4096]);
for (i = 0; i < num_syms; i++)
{
tmp = StringFunctions.ChangeCharacter(tmp, i, 0);
}
for (i = 0; i < num_syms; i++)
{
if (!tmp[i])
{
GlobalMembersTbcore.calc_symlen(d, i, ref tmp);
}
}
d.@base[h - 1] = 0;
for (i = h - 2; i >= 0; i--)
{
d.@base[i] = (d.@base[i + 1] + GlobalMembersTbcore.ReadUshort((byte)(d.offset + i)) - GlobalMembersTbcore.ReadUshort((byte)(d.offset + i + 1))) / 2;
}
for (i = 0; i < h; i++)
{
d.@base[i] <<= 64 - (min_len + i);
}
d.offset -= d.min_len;
return(d);
}