/// <summary>
/// This function is called within VTDGen and
/// VTDNav's writeIndex
/// </summary>
/// <param name="version"></param>
/// <param name="encodingType"></param>
/// <param name="ns"></param>
/// <param name="byteOrder"></param>
/// <param name="nestDepth"></param>
/// <param name="LCLevel"></param>
/// <param name="rootIndex"></param>
/// <param name="xmlDoc"></param>
/// <param name="docOffset"></param>
/// <param name="docLen"></param>
/// <param name="vtdBuffer"></param>
/// <param name="l1Buffer"></param>
/// <param name="l2Buffer"></param>
/// <param name="l3Buffer"></param>
/// <param name="os"></param>
/// <returns></returns>
public static void writeIndex_L3(byte version,
int encodingType,
bool ns,
bool byteOrder,
int nestDepth,
int LCLevel,
int rootIndex,
byte[] xmlDoc,
int docOffset,
int docLen,
FastLongBuffer vtdBuffer,
FastLongBuffer l1Buffer,
FastLongBuffer l2Buffer,
FastIntBuffer l3Buffer,
System.IO.Stream os)
{
if (xmlDoc == null
|| docLen <= 0
|| vtdBuffer == null
|| l1Buffer == null
|| l2Buffer == null
|| l3Buffer == null
|| LCLevel != 3)
{
throw new System.ArgumentException("Invalid argument for writeIndex ");
}
if (vtdBuffer.size_Renamed_Field == 0)
{
throw new IndexWriteException("VTDBuffer can't be zero length");
}
int i;
System.IO.BinaryWriter dos = new System.IO.BinaryWriter(os);
// first 4 bytes
byte[] ba = new byte[4];
ba[0] = (byte)version; // version # is 1
ba[1] = (byte)encodingType;
if (BitConverter.IsLittleEndian == false)
ba[2] = (byte)(ns ? 0xe0 : 0xa0); // big endien
else
ba[2] = (byte)(ns ? 0xc0 : 0x80);
ba[3] = (byte)nestDepth;
dos.Write(ba);
// second 4 bytes
ba[0] = 0;
ba[1] = 4;
ba[2] = (byte)((rootIndex & 0xff00) >> 8);
ba[3] = (byte)(rootIndex & 0xff);
dos.Write(ba);
// 2 reserved 32-bit words set to zero
ba[1] = ba[2] = ba[3] = 0;
dos.Write(ba);
dos.Write(ba);
dos.Write(ba);
dos.Write(ba);
// write XML doc in bytes
dos.Write((long)docLen);
dos.Write(xmlDoc, docOffset, docLen);
//dos.Write(xmlDoc, docOffset, docLen);
// zero padding to make it integer multiple of 64 bits
if ((docLen & 0x07) != 0)
{
int t = (((docLen >> 3) + 1) << 3) - docLen;
for (; t > 0; t--)
dos.Write((System.Byte)0);
}
// write VTD
dos.Write((long)vtdBuffer.size_Renamed_Field);
if (docOffset != 0)
{
for (i = 0; i < vtdBuffer.size_Renamed_Field; i++)
{
dos.Write(adjust(vtdBuffer.longAt(i), -docOffset));
}
}
else
{
for (i = 0; i < vtdBuffer.size_Renamed_Field; i++)
{
dos.Write(vtdBuffer.longAt(i));
}
}
// write L1
dos.Write((long)l1Buffer.size_Renamed_Field);
for (i = 0; i < l1Buffer.size_Renamed_Field; i++)
{
dos.Write(l1Buffer.longAt(i));
}
// write L2
dos.Write((long)l2Buffer.size_Renamed_Field);
for (i = 0; i < l2Buffer.size_Renamed_Field; i++)
{
dos.Write(l2Buffer.longAt(i));
}
// write L3
dos.Write((long)l3Buffer.size_Renamed_Field);
for (i = 0; i < l3Buffer.size_Renamed_Field; i++)
{
dos.Write(l3Buffer.intAt(i));
}
// pad zero if # of l3 entry is odd
if ((l3Buffer.size_Renamed_Field & 1) != 0)
dos.Write(0);
dos.Close();
}
// lengnth of the XML document (in byte))
/**
* Initialize the VTD navigation object.
*
* @param RootIndex
* int
* @param maxDepth
* int
* @param encoding
* int
* @param NS
* boolean
* @param x
* byte[]
* @param vtd
* com.ximpleware.ILongBuffer
* @param l1
* com.ximpleware.ILongBuffer
* @param l2
* com.ximpleware.ILongBuffer
* @param l3
* com.ximpleware.IIntBuffer
* @param so
* int starting offset of the document(in byte)
* @param length
* int length of the document (in byte)
*/
protected internal VTDNav_L5(
int RootIndex,
int enc,
bool NS,
int depth,
IByteBuffer x,
FastLongBuffer vtd,
FastLongBuffer l1,
FastLongBuffer l2,
FastLongBuffer l3,
FastLongBuffer l4,
FastIntBuffer l5,
int so, // start offset of the starting offset(in byte)
int length)
{
//super();
// initialize all buffers
if (l1 == null
|| l2 == null
|| l3 == null
|| vtd == null
|| x == null
|| depth < 0
|| RootIndex < 0 //|| encoding <= FORMAT_UTF8
//|| encoding >= FORMAT_ISO_8859_1
|| so < 0
|| length < 0)
{
throw new System.ArgumentException();
}
count = 0;
l1Buffer = l1;
l2Buffer = l2;
l3Buffer = l3;
l4Buffer = l4;
l5Buffer = l5;
vtdBuffer = vtd;
XMLDoc = x;
encoding = enc;
//System.out.println("encoding " + encoding);
rootIndex = RootIndex;
nestingLevel = depth + 1;
ns = NS; // namespace aware or not
if (ns == false)
MASK_TOKEN_OFFSET = 0x000000007fffffffL; // this allows xml size to
// be 2GB
else // if there is no namespace
MASK_TOKEN_OFFSET = 0x000000003fffffffL;
atTerminal = false; //this variable will only change value during XPath
// eval
// initialize the context object
this.context = new int[nestingLevel];
//depth value is the first entry in the context because root is
// singular.
context[0] = 0;
//set the value to zero
for (int i = 1; i < nestingLevel; i++)
{
context[i] = -1;
}
//currentOffset = 0;
//contextStack = new ContextBuffer(1024, nestingLevel + 7);
contextStack = new ContextBuffer(10, nestingLevel + 15);
contextStack2 = new ContextBuffer(10, nestingLevel + 15);
stackTemp = new int[nestingLevel + 15];
// initial state of LC variables
l1index = l2index = l3index = l4index = l5index = -1;
l2lower = l3lower = l4lower = l5lower = -1;
l2upper = l3upper = l4upper = l5upper = -1;
docOffset = so;
docLen = length;
//System.out.println("offset " + offset + " length " + length);
//printL2Buffer();
vtdSize = vtd.size_Renamed_Field;
//writeOffsetAdjustment = false;
//recentNS = -1;
name = null;
nameIndex = -1;
localName = null;
localNameIndex = -1;
fib = new FastIntBuffer(5); // page size is 32 ints
shallowDepth = false;
maxLCDepthPlusOne = 6;
}
/// <summary> Clear internal states so VTDGEn can process the next file.</summary>
public void clear()
{
if (br == false)
{
VTDBuffer = null;
l1Buffer = null;
l2Buffer = null;
l3Buffer = null;
_l3Buffer = null;
_l4Buffer = null;
_l5Buffer = null;
}
XMLDoc = null;
offset = temp_offset = 0;
last_depth = last_l1_index = last_l2_index = last_l3_index = last_l4_index = 0;
rootIndex = 0;
depth = -1;
increment = 1;
BOM_detected = false;
must_utf_8 = false;
ch = ch_temp = 0;
r = new UTF8Reader(this);
nsBuffer1.size_Renamed_Field = 0;
nsBuffer2.size_Renamed_Field = 0;
nsBuffer3.size_Renamed_Field = 0;
currentElementRecord = 0;
}
/// <summary> Initialize the VTD navigation object.</summary>
/// <param name="RootIndex">int
/// </param>
/// <param name="maxDepth">int
/// </param>
/// <param name="encoding">int
/// </param>
/// <param name="NS"> boolean
/// </param>
/// <param name="x">byte[]
/// </param>
/// <param name="vtd">com.ximpleware.ILongBuffer
/// </param>
/// <param name="l1">com.ximpleware.ILongBuffer
/// </param>
/// <param name="l2">com.ximpleware.ILongBuffer
/// </param>
/// <param name="l3">com.ximpleware.IIntBuffer
/// </param>
/// <param name="so">int starting offset of the document(in byte)
/// </param>
/// <param name="length">int length of the document (in byte)
/// </param>
protected internal VTDNav(int RootIndex, int enc, bool NS, int depth, IByteBuffer x, FastLongBuffer vtd, FastLongBuffer l1, FastLongBuffer l2, FastIntBuffer l3, int so, int length)
{
// initialize all buffers
if (l1 == null || l2 == null || l3 == null || vtd == null || x == null || depth < 0 || RootIndex < 0 || so < 0 || length < 0)
{
throw new System.ArgumentException();
}
count = 0;
l1Buffer = l1;
l2Buffer = l2;
l3Buffer = l3;
vtdBuffer = vtd;
XMLDoc = x;
encoding = enc;
//System.out.println("encoding " + encoding);
rootIndex = RootIndex;
nestingLevel = depth + 1;
ns = NS; // namespace aware or not
if (ns == false)
MASK_TOKEN_OFFSET = 0x000000007fffffff;
// this allows xml size to be 2GB
// if there is no namespace
else
MASK_TOKEN_OFFSET = 0x000000003fffffff;
atTerminal = false; //this variable will only change value during XPath eval
// initialize the context object
context = new int[nestingLevel];
//depth value is the first entry in the context because root is singular.
context[0] = 0;
//set the value to zero
for (int i = 1; i < nestingLevel; i++)
{
context[i] = -1;
}
// currentOffset = 0;
//contextStack = new ContextBuffer(1024, nestingLevel + 7);
contextStack = new ContextBuffer(10, nestingLevel + 9);
contextStack2 = new ContextBuffer(10, nestingLevel + 9);
stackTemp = new int[nestingLevel + 9];
// initial state of LC variables
l1index = l2index = l3index = -1;
l2lower = l3lower = -1;
l2upper = l3upper = -1;
docOffset = so;
docLen = length;
//System.out.println("offset " + offset + " length " + length);
//printL2Buffer();
vtdSize = vtd.size_Renamed_Field;
name = null;
nameIndex = -1;
localName = null;
localNameIndex = -1;
fib = new FastIntBuffer(5);
shallowDepth = true;
//recentNS = -1;
}
/// <summary> The buffer-reuse version of setDoc
/// The concept is to reuse LC and VTD buffer for
/// XML parsing, instead of allocating every time
/// </summary>
/// <param name="ba">byte[]
/// </param>
/// <param name="os">int (in byte)
/// </param>
/// <param name="len">int (in byte)
///
/// </param>
public void setDoc_BR(byte[] ba, int os, int len)
{
int a;
br = true;
depth = -1;
increment = 1;
BOM_detected = false;
must_utf_8 = false;
ch = ch_temp = 0;
temp_offset = 0;
XMLDoc = ba;
docOffset = offset = os;
docLen = len;
endOffset = os + len;
last_l1_index = last_l2_index = last_l3_index = last_depth = 0;
//int i1 = 7, i2 = 9, i3 = 11;
currentElementRecord = 0;
nsBuffer1.size_Renamed_Field = 0;
nsBuffer2.size_Renamed_Field = 0;
nsBuffer3.size_Renamed_Field = 0;
r = new UTF8Reader(this);
if (shallowDepth)
{
int i1 = 7, i2 = 9, i3 = 11;
if (docLen <= 1024)
{
// a = 1024; //set the floor
a = 6;
i1 = 5;
i2 = 5;
i3 = 5;
}
else if (docLen <= 4096)
{
a = 7;
i1 = 6;
i2 = 6;
i3 = 6;
}
else if (docLen <= 1024 * 16)
{
a = 8;
i1 = 7;
i2 = 7;
i3 = 7;
}
else if (docLen <= 1024 * 16 * 4)
{
// a = 2048;
a = 11;
}
else if (docLen <= 1024 * 256)
{
// a = 1024 * 4;
a = 12;
}
else
{
// a = 1 << 15;
a = 15;
}
VTDBuffer = new FastLongBuffer(a, len >> (a + 1));
l1Buffer = new FastLongBuffer(i1);
l2Buffer = new FastLongBuffer(i2);
l3Buffer = new FastIntBuffer(i3);
}
else
{
int i1 = 7, i2 = 9, i3 = 11, i4 = 11, i5 = 11;
if (docLen <= 1024)
{
// a = 1024; //set the floor
a = 6;
i1 = 5;
i2 = 5;
i3 = 5;
i4 = 5;
i5 = 5;
}
else if (docLen <= 4096)
{
a = 7;
i1 = 6;
i2 = 6;
i3 = 6;
i4 = 6;
i5 = 6;
}
else if (docLen <= 1024 * 16)
{
a = 8;
i1 = 7;
i2 = 7;
i3 = 7;
i4 = 7;
i5 = 7;
}
else if (docLen <= 1024 * 16 * 4)
{
// a = 2048;
a = 11;
i2 = 8;
i3 = 8;
i4 = 8;
i5 = 8;
}
else if (docLen <= 1024 * 256)
{
// a = 1024 * 4;
a = 12;
i1 = 8;
i2 = 9;
i3 = 9;
i4 = 9;
i5 = 9;
}
else
{
// a = 1 << 15;
a = 15;
}
VTDBuffer = new FastLongBuffer(a, len >> (a + 1));
l1Buffer = new FastLongBuffer(i1);
l2Buffer = new FastLongBuffer(i2);
_l3Buffer = new FastLongBuffer(i3);
_l4Buffer = new FastLongBuffer(i4);
_l5Buffer = new FastIntBuffer(i5);
}
}
private bool ws; // to prserve whitespace or not, default to false
#endregion Fields
#region Constructors
/// <summary> VTDGen constructor method.</summary>
public VTDGen()
{
attr_name_array = new long[ATTR_NAME_ARRAY_SIZE];
prefixed_attr_name_array = new long[ATTR_NAME_ARRAY_SIZE];
prefix_URL_array = new int[ATTR_NAME_ARRAY_SIZE];
tag_stack = new long[TAG_STACK_SIZE];
//scratch_buffer = new int[10];
VTDDepth = 0;
LcDepth = 3;
br = false;
e = new EOFException("permature EOF reached, XML document incomplete");
ws = false;
nsBuffer1 = new FastIntBuffer(4);
nsBuffer2 = new FastLongBuffer(4);
nsBuffer3 = new FastLongBuffer(4);
currentElementRecord = 0;
singleByteEncoding = true;
shallowDepth = true;
}
/// <summary> Clear internal states so VTDGEn can process the next file.</summary>
public void clear()
{
if (br == false)
{
VTDBuffer = null;
l1Buffer = null;
l2Buffer = null;
l3Buffer = null;
}
XMLDoc = null;
offset = temp_offset = 0;
last_depth = last_l1_index = last_l2_index = 0;
rootIndex = 0;
depth = -1;
increment = 1;
BOM_detected = false;
must_utf_8 = false;
ch = ch_temp = 0;
}
/// <summary> Set the XMLDoc container. Also set the offset and len of the document
/// with respect to the container.
///
/// </summary>
/// <param name="ba">byte[]
/// </param>
/// <param name="os">int (in byte)
/// </param>
/// <param name="len">int (in byte)
/// </param>
public void setDoc(byte[] ba, int os, int len)
{
int a;
br = false;
depth = -1;
increment = 1;
BOM_detected = false;
must_utf_8 = false;
ch = ch_temp = 0;
temp_offset = 0;
XMLDoc = ba;
docOffset = offset = os;
docLen = len;
endOffset = os + len;
last_l1_index = last_l2_index = last_l3_index = last_depth = 0;
if (docLen <= 1024)
{
//a = 1024; //set the floor
a = 7;
}
else if (docLen <= 4096 * 2)
{
a = 9;
}
else if (docLen <= 1024 * 16 * 4)
{
//a = 2048;
a = 10;
}
else if (docLen <= 1024 * 256)
{
//a = 1024 * 4;
a = 12;
}
else
{
//a = 1 << 15;
a = 15;
}
// VTDBuffer = new FastLongBuffer(a);
// l1Buffer = new FastLongBuffer(128);
// l2Buffer = new FastLongBuffer(512);
// l3Buffer = new FastIntBuffer(2048);
VTDBuffer = new FastLongBuffer(a, len >> (a + 1));
l1Buffer = new FastLongBuffer(7);
l2Buffer = new FastLongBuffer(9);
l3Buffer = new FastIntBuffer(11);
}
/// <summary>
/// This function is called within VTDGen and
/// VTDNav's writeIndex
/// </summary>
/// <param name="version"></param>
/// <param name="encodingType"></param>
/// <param name="ns"></param>
/// <param name="byteOrder"></param>
/// <param name="nestDepth"></param>
/// <param name="LCLevel"></param>
/// <param name="rootIndex"></param>
/// <param name="xmlDoc"></param>
/// <param name="docOffset"></param>
/// <param name="docLen"></param>
/// <param name="vtdBuffer"></param>
/// <param name="l1Buffer"></param>
/// <param name="l2Buffer"></param>
/// <param name="l3Buffer"></param>
/// <param name="os"></param>
/// <returns></returns>
public static void writeIndex_L3(byte version,
int encodingType,
bool ns,
bool byteOrder,
int nestDepth,
int LCLevel,
int rootIndex,
byte[] xmlDoc,
int docOffset,
int docLen,
FastLongBuffer vtdBuffer,
FastLongBuffer l1Buffer,
FastLongBuffer l2Buffer,
FastIntBuffer l3Buffer,
System.IO.Stream os)
{
if (xmlDoc == null ||
docLen <= 0 ||
vtdBuffer == null ||
l1Buffer == null ||
l2Buffer == null ||
l3Buffer == null ||
LCLevel != 3)
{
throw new System.ArgumentException("Invalid argument for writeIndex ");
}
if (vtdBuffer.size_Renamed_Field == 0)
{
throw new IndexWriteException("VTDBuffer can't be zero length");
}
int i;
System.IO.BinaryWriter dos = new System.IO.BinaryWriter(os);
// first 4 bytes
byte[] ba = new byte[4];
ba[0] = (byte)version; // version # is 1
ba[1] = (byte)encodingType;
if (BitConverter.IsLittleEndian == false)
{
ba[2] = (byte)(ns ? 0xe0 : 0xa0); // big endien
}
else
{
ba[2] = (byte)(ns ? 0xc0 : 0x80);
}
ba[3] = (byte)nestDepth;
dos.Write(ba);
// second 4 bytes
ba[0] = 0;
ba[1] = 4;
ba[2] = (byte)((rootIndex & 0xff00) >> 8);
ba[3] = (byte)(rootIndex & 0xff);
dos.Write(ba);
// 2 reserved 32-bit words set to zero
ba[1] = ba[2] = ba[3] = 0;
dos.Write(ba);
dos.Write(ba);
dos.Write(ba);
dos.Write(ba);
// write XML doc in bytes
dos.Write((long)docLen);
dos.Write(xmlDoc, docOffset, docLen);
//dos.Write(xmlDoc, docOffset, docLen);
// zero padding to make it integer multiple of 64 bits
if ((docLen & 0x07) != 0)
{
int t = (((docLen >> 3) + 1) << 3) - docLen;
for (; t > 0; t--)
{
dos.Write((System.Byte) 0);
}
}
// write VTD
dos.Write((long)vtdBuffer.size_Renamed_Field);
if (docOffset != 0)
{
for (i = 0; i < vtdBuffer.size_Renamed_Field; i++)
{
dos.Write(adjust(vtdBuffer.longAt(i), -docOffset));
}
}
else
{
for (i = 0; i < vtdBuffer.size_Renamed_Field; i++)
{
dos.Write(vtdBuffer.longAt(i));
}
}
// write L1
dos.Write((long)l1Buffer.size_Renamed_Field);
for (i = 0; i < l1Buffer.size_Renamed_Field; i++)
{
dos.Write(l1Buffer.longAt(i));
}
// write L2
dos.Write((long)l2Buffer.size_Renamed_Field);
for (i = 0; i < l2Buffer.size_Renamed_Field; i++)
{
dos.Write(l2Buffer.longAt(i));
}
// write L3
dos.Write((long)l3Buffer.size_Renamed_Field);
for (i = 0; i < l3Buffer.size_Renamed_Field; i++)
{
dos.Write(l3Buffer.intAt(i));
}
// pad zero if # of l3 entry is odd
if ((l3Buffer.size_Renamed_Field & 1) != 0)
{
dos.Write(0);
}
dos.Close();
}
/// <summary> Attach master document to this instance of XMLModifier</summary>
/// <param name="masterDocument">*
/// </param>
public void bind(VTDNav masterDocument)
{
if (masterDocument == null)
throw new System.ArgumentException("MasterDocument can't be null");
md = masterDocument;
flb = new FastLongBuffer();
fob = new FastObjectBuffer();
int i = intHash.determineHashWidth(md.vtdSize);
insertHash = new intHash(i);
deleteHash = new intHash(i);
//determine encoding charset string here
encoding = md.getEncoding();
switch (encoding)
{
case VTDNav.FORMAT_ASCII:
charSet = "ascii";
break;
case VTDNav.FORMAT_ISO_8859_1:
charSet = "iso-8859-1";
break;
case VTDNav.FORMAT_UTF8:
charSet = "utf-8";
break;
case VTDNav.FORMAT_UTF_16BE:
charSet = "utf-16be";
break;
case VTDNav.FORMAT_UTF_16LE:
charSet = "utf-16le";
break;
case VTDNav.FORMAT_ISO_8859_2:
charSet = "iso-8859-2";
break;
case VTDNav.FORMAT_ISO_8859_3:
charSet = "iso-8859-3";
break;
case VTDNav.FORMAT_ISO_8859_4:
charSet = "iso-8859-4";
break;
case VTDNav.FORMAT_ISO_8859_5:
charSet = "iso-8859-5";
break;
case VTDNav.FORMAT_ISO_8859_6:
charSet = "iso-8859-6";
break;
case VTDNav.FORMAT_ISO_8859_7:
charSet = "iso-8859-7";
break;
case VTDNav.FORMAT_ISO_8859_8:
charSet = "iso-8859-8";
break;
case VTDNav.FORMAT_ISO_8859_9:
charSet = "iso-8859-9";
break;
case VTDNav.FORMAT_ISO_8859_10:
charSet = "iso-8859-10";
break;
case VTDNav.FORMAT_ISO_8859_11:
charSet = "iso-8859-11";
break;
case VTDNav.FORMAT_ISO_8859_12:
charSet = "iso-8859-12";
break;
case VTDNav.FORMAT_ISO_8859_13:
charSet = "iso-8859-13";
break;
case VTDNav.FORMAT_ISO_8859_14:
charSet = "iso-8859-14";
break;
case VTDNav.FORMAT_ISO_8859_15:
charSet = "iso-8859-15";
break;
case VTDNav.FORMAT_WIN_1250:
charSet = "windows-1250";
break;
case VTDNav.FORMAT_WIN_1251:
charSet = "windows-1251";
break;
case VTDNav.FORMAT_WIN_1252:
charSet = "windows-1252";
break;
case VTDNav.FORMAT_WIN_1253:
charSet = "windows-1253";
break;
case VTDNav.FORMAT_WIN_1254:
charSet = "windows-1254";
break;
case VTDNav.FORMAT_WIN_1255:
charSet = "windows-1255";
break;
case VTDNav.FORMAT_WIN_1256:
charSet = "windows-1256";
break;
case VTDNav.FORMAT_WIN_1257:
charSet = "windows-1257";
break;
case VTDNav.FORMAT_WIN_1258:
charSet = "windows-1258";
break;
default:
throw new ModifyException("Master document encoding not yet supported by XML modifier");
}
eg = System.Text.Encoding.GetEncoding(charSet);
}
/// <summary> Set the XMLDoc container. Also set the offset and len of the document
/// with respect to the container.
/// </summary>
/// <param name="ba">byte[]
/// </param>
/// <param name="os">int (in byte)
/// </param>
/// <param name="len">int (in byte)
/// </param>
public void setDoc(byte[] ba, int os, int len)
{
int a;
br = false;
depth = -1;
increment = 1;
BOM_detected = false;
must_utf_8 = false;
ch = ch_temp = 0;
temp_offset = 0;
XMLDoc = ba;
docOffset = offset = os;
docLen = len;
endOffset = os + len;
last_l1_index = last_l2_index = last_l3_index = last_depth = 0;
int i1 = 7, i2 = 9, i3 = 11;
if (docLen <= 1024)
{
//a = 1024; //set the floor
a = 6; i1 = 5; i2 = 5; i3 = 5;
}
else if (docLen <= 4096)
{
a = 7; i1 = 6; i2 = 6; i3 = 6;
}
else if (docLen <= 1024 * 16)
{
a = 8; i1 = 7; i2 = 7; i3 = 7;
}
else if (docLen <= 1024 * 16 * 4)
{
//a = 2048;
a = 11;
}
else if (docLen <= 1024 * 256)
{
//a = 1024 * 4;
a = 12;
}
else if (docLen <= (1 << 26))
{
//a = 1 << 15;
i1 = i2 = i3 = 12;
a = 15;
}
else if (docLen <= (1 << 30))
{
//a = 1 << 15;
i1 = i2 = i3 = 13;
a = 19;
}
else
{
i1 = i2 = i3 = 16;
a = 23;
}
VTDBuffer = new FastLongBuffer(a, len >> (a + 1));
l1Buffer = new FastLongBuffer(i1);
l2Buffer = new FastLongBuffer(i2);
l3Buffer = new FastIntBuffer(i3);
;
}