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SPL(Structured Process Language) A programming language specially for structured data computing.
package com.scudata.dw;
import java.io.*;
import java.math.*;
import java.sql.Date;
import com.scudata.array.DoubleArray;
import com.scudata.array.IArray;
import com.scudata.array.IntArray;
import com.scudata.array.LongArray;
import com.scudata.array.ObjectArray;
import com.scudata.common.DateCache;
import com.scudata.common.ObjectCache;
import com.scudata.dm.DataStruct;
import com.scudata.dm.Record;
import com.scudata.dm.Sequence;
import com.scudata.dm.SerialBytes;
import com.scudata.dm.Table;
/**
* ?д?ʱ?Ķ?ȡ??????
* @author runqian
*
*/
public class BufferReader {
protected StructManager structManager;
public byte[] buffer; // ÿ?ζ?????ֽڻ???
public int index; // ??һ?ֽ???buffer?е?????
public int count; // ????buffer??ʵ???ֽ???Ŀ
private byte[] readBuffer = new byte[32];
protected char[] charBuffer = new char[128];
public Object repeatValue;//??????ͬ??ֵ
public int repeatCount = 0;//??????ͬ??ֵ?ĸ???
protected static final String []HEXSTRINGS = new String[] {"0", "1", "2", "3", "4", "5", "6",
"7", "8", "9", "A", "B", "C", "D", "E", "F"};
private static final Long LONG0 = new Long(0);
private static final Double FLOAT0 = new Double(0);
private static final BigDecimal DECIMAL0 = new BigDecimal(BigInteger.ZERO);
protected static final Integer []INT15 = new Integer[]{new Integer(0), new Integer(1), new Integer(2), new Integer(3),
new Integer(4), new Integer(5), new Integer(6), new Integer(7), new Integer(8), new Integer(9), new Integer(10),
new Integer(11), new Integer(12), new Integer(13), new Integer(14), new Integer(15)};
private static final Object NONE = new Object();
public BufferReader(StructManager structManager, byte[] buffer) {
this.structManager = structManager;
this.buffer = buffer;
this.count = buffer.length;
}
public BufferReader(StructManager structManager, byte[] buffer, int index, int count) {
this.structManager = structManager;
this.buffer = buffer;
this.index = index;
this.count = count;
}
// ???ص?ǰ??ȡλ??
public long position() {
return index;
}
public void skipFully(int n) throws IOException {
int total = count - index;
if (total >= n) {
index += n;
} else {
index = count;
throw new EOFException();
}
}
public int skipBytes(int n) throws IOException {
if (n < 1) return 0;
int total = count - index;
if (total >= n) {
index += n;
return n;
} else {
index = count;
return total;
}
}
public long skip(long n) throws IOException {
if (n < 1) return 0;
long total = count - index;
if (total >= n) {
index += (int)n;
return n;
} else {
index = count;
return total;
}
}
public boolean hasNext() throws IOException {
return count > index;
}
public int available() throws IOException {
return count - index;
}
public void reset() {
index = 0;
repeatCount = 0;
}
public void close() throws IOException {
index = count;
}
public boolean readBoolean() throws IOException {
return buffer[index++] != 0;
}
public int get() throws IOException {
return buffer[index] & 0xff;
}
public int read() throws IOException {
return buffer[index++] & 0xff;
}
protected int read2() throws IOException {
return buffer[index++] & 0xff;
}
public int read(byte []b) throws IOException {
return read(b, 0, b.length);
}
public int read(byte []b, int off, int len) throws IOException {
int total = count - index;
if (total >= len) {
System.arraycopy(buffer, index, b, off, len);
index += len;
return len;
} else if (total > 0) {
System.arraycopy(buffer, index, b, off, total);
index = count;
return total;
} else {
return -1;
}
}
public void readFully(byte []b) throws IOException {
if (read(b, 0, b.length) != b.length) {
throw new EOFException();
}
}
public void readFully(byte []b, int off, int len) throws IOException {
if (read(b, off, len) != len) {
throw new EOFException();
}
}
public byte readByte() throws IOException {
return buffer[index++];
}
public int readUnsignedByte() throws IOException {
return buffer[index++] & 0xff;
}
public short readShort() throws IOException {
int ch1 = buffer[index++] << 8;
return (short)(ch1 + (buffer[index++] & 0xff));
}
public int readUnsignedShort() throws IOException {
int ch1 = (buffer[index++] & 0xff) << 8;
return ch1 + (buffer[index++] & 0xff);
}
public char readChar() throws IOException {
int ch1 = buffer[index++] << 8;
return (char)(ch1 + (buffer[index++] & 0xff));
}
public float readFloat() throws IOException {
return Float.intBitsToFloat(readInt());
}
public double readDouble() throws IOException {
int b = read2();
if (b == BufferWriter.FLOAT16) {
int n = readUInt16();
int scale = n >>> 14; // ????λ??С??λ??
n &= 0x3FFF;
if (scale == 0) {
return n;
} else if (scale == 1) {
return n / 100.0;
} else if (scale == 2) {
return n / 10000.0;
} else {
return n * 100;
}
} else if (b == BufferWriter.FLOAT32) {
int n = readInt32();
int scale = n >>> 30; // ????λ??С??λ??
n &= 0x3FFFFFFF;
if (scale == 0) {
return n;
} else if (scale == 1) {
return n / 100.0;
} else if (scale == 2) {
return n / 10000.0;
} else {
return n * 100.0;
}
} else {
return Double.longBitsToDouble(readLong64());
}
}
public String readLine() throws IOException {
throw new IOException("readLine not supported");
}
public String readUTF() throws IOException {
return readString();
}
public byte[] readByteArray() throws IOException {
int len = readInt();
if (len < 0) {
return null;
} else {
byte[] buf = new byte[len];
readFully(buf, 0, len);
return buf;
}
}
public String[] readStrings() throws IOException {
int len = readInt();
if (len < 0) {
return null;
} else {
String[] strs = new String[len];
for (int i = 0; i < len; ++i) {
strs[i] = readString();
}
return strs;
}
}
public String readString() throws IOException {
int b = read2();
if (b == BufferWriter.NULL) {
return null;
}
int t1 = b & 0xF0;
if (t1 == BufferWriter.STRING4_ASSIC || t1 == BufferWriter.STRING5_ASSIC) {
return readStringAssic(b & 0x1F);
} else if (t1 == BufferWriter.STRING4 || t1 == BufferWriter.STRING5) {
return readString(b & 0x1F);
} else if (t1 == BufferWriter.DIGIT4) {
return readDigits(b & 0x0F);
} else if (t1 == BufferWriter.HEX4) {
return HEXSTRINGS[b & 0x0F];
} else {
int n = readInt();
return readString(n);
}
}
protected String readDigits(int size) throws IOException {
byte[] readBuffer = this.readBuffer;
readFully(readBuffer, 0, size);
int b = readBuffer[size - 1] & 0xFF;
int low = b & 0x0F;
char []chars;
if (low > 9) {
int len = 2 * size - 1;
chars = new char[len];
chars[len - 1] = (char)('0' + (b >>> 4));
} else {
int len = 2 * size;
chars = new char[len];
chars[len - 2] = (char)('0' + (b >>> 4));
chars[len - 1] = (char)('0' + low);
}
--size;
for (int i = 0, q = 0; i < size; ++i) {
b = readBuffer[i] & 0xFF;
chars[q++] = (char)('0' + (b >>> 4));
chars[q++] = (char)('0' + (b & 0x0F));
}
return new String(chars);
}
protected String readString(int size) throws IOException {
if (size == 0) return "";
char []charBuffer = this.charBuffer;
if (size > charBuffer.length) {
charBuffer = new char[size];
this.charBuffer = charBuffer;
}
int seq = 0;
int c, char2, char3;
byte []bytearr;
int i = 0;
if (count - index >= size) {
bytearr = this.buffer;
i = index;
this.index += size;
size += i;
} else {
bytearr = new byte[size];
readFully(bytearr, 0, size);
}
while (i < size) {
c = (int) bytearr[i] & 0xff;
switch (c >> 4) {
case 0:
case 1:
case 2:
case 3:
case 4:
case 5:
case 6:
case 7:
/* 0xxx xxxx */
i++;
charBuffer[seq++] = (char) c;
break;
case 12:
case 13:
/* 110x xxxx 10xx xxxx */
i += 2;
if (i > size)
throw new UTFDataFormatException();
char2 = (int) bytearr[i - 1];
if ((char2 & 0xC0) != 0x80)
throw new UTFDataFormatException();
charBuffer[seq++] = (char) (((c & 0x1F) << 6) | (char2 & 0x3F));
break;
case 14:
/* 1110 xxxx 10xx xxxx 10xx xxxx */
i += 3;
if (i > size)
throw new UTFDataFormatException();
char2 = (int) bytearr[i - 2];
char3 = (int) bytearr[i - 1];
if (((char2 & 0xC0) != 0x80) || ((char3 & 0xC0) != 0x80))
throw new UTFDataFormatException();
charBuffer[seq++] = (char) (((c & 0x0F) << 12) | ((char2 & 0x3F) << 6) | ((char3 & 0x3F) << 0));
break;
default:
/* 10xx xxxx, 1111 xxxx */
throw new UTFDataFormatException();
}
}
// The number of chars produced may be less than utflen
if (seq == 1)
return ObjectCache.getString(charBuffer);
return new String(charBuffer, 0, seq);
}
protected String readStringAssic(int size) throws IOException {
String str;
if (size == 0) return "";
if (size == 1)
str = ObjectCache.getString(buffer[index]);
else
str = new String(buffer, index, size);
index += size;
return str;
}
public long readLong() throws IOException {
int b = read2();
if (b == BufferWriter.LONG0) {
return 0;
} else if (b == BufferWriter.LONG16) {
return readUInt16();
} else if (b == BufferWriter.LONG32) {
return readInt32();
} else {
return readLong64();
}
}
public int readInt() throws IOException {
int b = read2();
if (b == BufferWriter.INT16) {
return readUInt16();
} else if (b == BufferWriter.INT32) {
return readInt32();
} else if ((b & 0xF0) == BufferWriter.INT12) {
return ((b & 0x0F) << 8) + read2();
} else { // INT4
return b & 0x0F;
}
}
protected int readUInt16() throws IOException {
int n = ((buffer[index] & 0xFF) << 8) + (buffer[index + 1] & 0xFF);
index += 2;
return n;
}
private int readUInt24() throws IOException {
byte []data = this.buffer;
int index = this.index;
this.index += 3;
return ((data[index] & 0xff) << 16) +
((data[index + 1] & 0xff) << 8) + (data[index + 2] & 0xff);
}
public int readInt32() throws IOException {
byte []data = this.buffer;
int index = this.index;
this.index += 4;
return (data[index] << 24) + ((data[index + 1] & 0xff) << 16) +
((data[index + 2] & 0xff) << 8) + (data[index + 3] & 0xff);
}
private long readULong32() throws IOException {
byte []data = this.buffer;
int index = this.index;
this.index += 4;
return ((long)(data[index] & 0xff) << 24) + ((data[index + 1] & 0xff) << 16) +
((data[index + 2] & 0xff) << 8) + (data[index + 3] & 0xff);
}
// 5?ֽڱ?ʾlong?????ļ???СҪ??1T
public long readLong40() throws IOException {
byte []data = this.buffer;
int index = this.index;
this.index += 5;
return (((long)(data[index] & 0xff) << 32) +
((long)(data[index + 1] & 0xff) << 24) +
((data[index + 2] & 0xff) << 16) +
((data[index + 3] & 0xff) << 8) +
(data[index + 4] & 0xff));
}
// 6?ֽڱ?ʾlong?????ļ???СҪ??256T,???????????ھ?????ļ???λ???ݵĶ?ȡ
public long readLong48() throws IOException {
byte []data = this.buffer;
int index = this.index;
this.index += 6;
return (((long)(data[index] & 0xff) << 40) +
((long)(data[index + 1] & 0xff) << 32) +
((long)(data[index + 2] & 0xff) << 24) +
((data[index + 3] & 0xff) << 16) +
((data[index + 4] & 0xff) << 8) +
(data[index + 5] & 0xff));
}
public long readLong64() throws IOException {
byte []data = this.buffer;
int index = this.index;
this.index += 8;
return (((long)data[index] << 56) +
((long)(data[index + 1] & 0xff) << 48) +
((long)(data[index + 2] & 0xff) << 40) +
((long)(data[index + 3] & 0xff) << 32) +
((long)(data[index + 4] & 0xff) << 24) +
((data[index + 5] & 0xff) << 16) +
((data[index + 6] & 0xff) << 8) +
(data[index + 7] & 0xff));
}
protected Object readMark0(int b) throws IOException {
switch (b) {
case BufferWriter.NULL:
return null;
case BufferWriter.FLOAT0:
return FLOAT0;
case BufferWriter.DECIMAL0:
return DECIMAL0;
case BufferWriter.LONG0:
return LONG0;
case BufferWriter.TRUE:
return Boolean.TRUE;
case BufferWriter.FALSE:
return Boolean.FALSE;
default: // none
return NONE;
}
}
protected Object readMark1(int b) throws IOException {
switch (b) {
case BufferWriter.INT16:
return ObjectCache.getInteger(readUInt16());
case BufferWriter.INT32:
return new Integer(readInt32());
case BufferWriter.FLOAT16:
int n = readUInt16();
switch (n >>> 14) {
case 0:
return new Double(n & 0x3FFF);
case 1:
return new Double((n & 0x3FFF) / 100.0);
case 2:
return new Double((n & 0x3FFF) / 10000.0);
default:
return new Double((n & 0x3FFF) * 100);
}
case BufferWriter.FLOAT32:
n = readInt32();
switch (n >>> 30) {
case 0:
return new Double(n & 0x3FFFFFFF);
case 1:
return new Double((n & 0x3FFFFFFF) / 100.0);
case 2:
return new Double((n & 0x3FFFFFFF) / 10000.0);
default:
return new Double((n & 0x3FFFFFFF) * 100);
}
case BufferWriter.FLOAT64:
return new Double(Double.longBitsToDouble(readLong64()));
case BufferWriter.LONG16:
return new Long(readUInt16());
case BufferWriter.LONG32:
return new Long(readInt32());
case BufferWriter.INT16_SEQUENCE:
return readInt16Sequence();
case BufferWriter.INT32_SEQUENCE:
return readInt32Sequence();
case BufferWriter.LONG64_SEQUENCE:
return readLong64Sequence();
case BufferWriter.FLOAT64_SEQUENCE:
return readDouble64Sequence();
default:
return new Long(readLong64());
}
}
protected void skipMark1(int b) throws IOException {
switch (b) {
case BufferWriter.INT16:
case BufferWriter.FLOAT16:
case BufferWriter.LONG16:
index += 2;
break;
case BufferWriter.INT32:
case BufferWriter.FLOAT32:
case BufferWriter.LONG32:
index += 4;
break;
case BufferWriter.INT16_SEQUENCE:
skip16Sequence();
break;
case BufferWriter.INT32_SEQUENCE:
skip32Sequence();
break;
case BufferWriter.LONG64_SEQUENCE:
case BufferWriter.FLOAT64_SEQUENCE:
skip64Sequence();
break;
default: // FLOAT64 LONG64
index += 8;
}
}
protected Object readMark2(int b) throws IOException {
switch (b) {
case BufferWriter.STRING:
return readString(readInt());
case BufferWriter.DECIMAL:
int scale = read2();
int len = read2();
byte[] buf = new byte[len];
readFully(buf, 0, len);
return new BigDecimal(new BigInteger(buf), scale);
case BufferWriter.SEQUENCE:
len = readInt();
Sequence seq = new Sequence(len);
for (int i = 0; i < len; ++i) {
seq.add(innerReadObject());
}
return seq;
case BufferWriter.TABLE:
return readTable();
case BufferWriter.RECORD:
return readRecord();
default: // BLOB
return readByteArray();
}
}
protected void skipMark2(int b) throws IOException {
switch (b) {
case BufferWriter.STRING:
skipFully(readInt());
break;
case BufferWriter.DECIMAL:
skipFully(1);
skipFully(read2());
break;
case BufferWriter.SEQUENCE:
int len = readInt();
for (int i = 0; i < len; ++i) {
skipObject();
}
break;
case BufferWriter.TABLE:
skipTable();
break;
case BufferWriter.RECORD:
skipRecord();
break;
default: // BLOB
int n = readInt();
if (n > 0) skipFully(n);
}
}
protected Object readMark3(int b) throws IOException {
switch (b) {
case BufferWriter.DATE16:
return DateCache.getDate(readUInt16());
case BufferWriter.DATE32:
return new java.sql.Date(BufferWriter.BASEDATE - readULong32() * 1000L);
case BufferWriter.DATETIME32:
return new java.sql.Timestamp(readULong32() * 1000L);
case BufferWriter.DATETIME33:
return new java.sql.Timestamp(readULong32() * -1000L);
case BufferWriter.DATETIME64:
return new java.sql.Timestamp(readLong64());
case BufferWriter.TIME16:
return new java.sql.Time(BufferWriter.BASETIME + readUInt16() * 1000);
case BufferWriter.TIME17:
return new java.sql.Time(BufferWriter.BASETIME + (0x10000 | readUInt16()) * 1000);
case BufferWriter.TIME32:
return new java.sql.Time(BufferWriter.BASETIME + readInt32());
case BufferWriter.DATE24:
return new java.sql.Date(BufferWriter.BASEDATE + readUInt24() * 86400000L);
default: // BufferWriter.DATE64
return new java.sql.Date(readLong64());
}
}
protected void skipMark3(int b) throws IOException {
switch (b) {
case BufferWriter.DATE32:
case BufferWriter.DATETIME32:
case BufferWriter.DATETIME33:
case BufferWriter.TIME32:
skipFully(4);
break;
case BufferWriter.DATETIME64:
skipFully(8);
break;
case BufferWriter.DATE24:
skipFully(3);
break;
default: // BufferWriter.DATE16 BufferWriter.TIME16 BufferWriter.TIME17
skipFully(2);
}
}
public boolean isNone(Object obj) {
return obj == NONE;
}
public Object readObject() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return repeatValue;
}
return innerReadObject();
}
protected Object innerReadObject() throws IOException {
int b = read2();
switch(b & 0xF0) {
case BufferWriter.MARK0:
return readMark0(b);
case BufferWriter.MARK1:
return readMark1(b);
case BufferWriter.MARK2:
return readMark2(b);
case BufferWriter.MARK3:
return readMark3(b);
case BufferWriter.INT4:
return INT15[b & 0x0F];
case BufferWriter.INT12:
return ObjectCache.getInteger(((b & 0x0F) << 8) + read2());
case BufferWriter.STRING4:
case BufferWriter.STRING5:
return readString(b & 0x1F);
case BufferWriter.STRING4_ASSIC:
case BufferWriter.STRING5_ASSIC:
return readStringAssic(b & 0x1F);
case BufferWriter.DIGIT4:
return readDigits(b & 0x0F);
case BufferWriter.HEX4:
return HEXSTRINGS[b & 0x0F];
case BufferWriter.REPEAT3:
return readRepeat(b);
case BufferWriter.SERIALBYTES:
int len = b & 0x0F;
if (len == 0) {
long v1 = readLong64();
long v2 = readLong64();
return new SerialBytes(v1, v2);
} else {
byte []bytes = new byte[len];
read(bytes);
return new SerialBytes(bytes, len);
}
default:
throw new RuntimeException();
}
}
public Object readRepeat(int b) throws IOException {
// ????һ??ֵ???ظ?????ȥ1
int count;
if ((b & 0x08) == 0) {
count = (b & 0x07) + 1;
} else {
count = ((b & 0x07) << 8) + read2() + 1;
}
repeatValue = innerReadObject();
repeatCount = count;
return repeatValue;
}
// ?????ظ?????0??ʾ????
public void skipObject() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return;
}
int b = read2();
switch(b & 0xF0) {
case BufferWriter.MARK0:
break;
case BufferWriter.MARK1:
skipMark1(b);
break;
case BufferWriter.MARK2:
skipMark2(b);
break;
case BufferWriter.MARK3:
skipMark3(b);
break;
case BufferWriter.INT4:
break;
case BufferWriter.INT12:
skipFully(1);
break;
case BufferWriter.STRING4:
case BufferWriter.STRING5:
case BufferWriter.STRING4_ASSIC:
case BufferWriter.STRING5_ASSIC:
skipFully(b & 0x1F);
break;
case BufferWriter.DIGIT4:
skipFully(b & 0x0F);
break;
case BufferWriter.HEX4:
break;
case BufferWriter.REPEAT3:
readRepeat(b);
break;
case BufferWriter.SERIALBYTES:
int len = b & 0x0F;
if (len > 0) {
skipFully(len);
} else {
skipFully(16);
}
break;
default:
throw new RuntimeException();
}
}
protected Record readRecord() throws IOException {
int id = readInt();
DataStruct ds = structManager.getDataStruct(id);
int fcount = ds.getFieldCount();
Object []vals = new Object[fcount];
for (int f = 0; f < fcount; ++f) {
vals[f] = innerReadObject();
}
return new Record(ds, vals);
}
protected Table readTable() throws IOException {
int id = readInt();
int len = readInt();
DataStruct ds = structManager.getDataStruct(id);
int fcount = ds.getFieldCount();
Object []vals = new Object[fcount];
Table table = new Table(ds, len);
for (int i = 1; i <= len; ++i) {
for (int f = 0; f < fcount; ++f) {
vals[f] = innerReadObject();
}
table.newLast(vals);
}
return table;
}
protected void skipRecord() throws IOException {
int id = readInt();
DataStruct ds = structManager.getDataStruct(id);
int fcount = ds.getFieldCount();
for (int f = 0; f < fcount; ++f) {
skipObject();
}
}
protected void skipTable() throws IOException {
int id = readInt();
int len = readInt();
DataStruct ds = structManager.getDataStruct(id);
int fcount = ds.getFieldCount();
for (int i = 1; i <= len; ++i) {
for (int f = 0; f < fcount; ++f) {
skipObject();
}
}
}
/**
* ???ص?ǰ?????Ļ???????λ??
* @return
*/
public int getCurPos() {
return index;
}
public int readBaseInt() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return (Integer) repeatValue;
}
int b = read2();
if (b == BufferWriter.INT16) {
return readUInt16();
} else if (b == BufferWriter.INT32) {
return readInt32();
}
int mask = b & 0xF0;
if (mask == BufferWriter.INT4) {
return b & 0x0F;
} else if (mask == BufferWriter.INT12) {
return ((b & 0x0F) << 8) + read2();
} else {
return (Integer) readRepeat(b);
}
}
public long readBaseLong() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return (Long) repeatValue;
}
int b = read2();
if (b == BufferWriter.INT16) {
return readUInt16();
} else if (b == BufferWriter.INT32) {
return readInt32();
}
int mask = b & 0xF0;
if (mask == BufferWriter.INT4) {
return b & 0x0F;
} else if (mask == BufferWriter.INT12) {
return ((b & 0x0F) << 8) + read2();
}
if (b == BufferWriter.LONG0) {
return 0L;
} else if (b == BufferWriter.LONG16) {
return readUInt16();
} else if (b == BufferWriter.LONG32) {
return readInt32();
} else if (b == BufferWriter.LONG64){
return readLong64();
} else {
return (Long) readRepeat(b);
}
}
public double readBaseDouble() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return (Double) repeatValue;
}
int b = read2();
if (b == BufferWriter.FLOAT0) {
return 0.0;
} else if (b == BufferWriter.FLOAT16) {
int n = readUInt16();
int scale = n >>> 14; // ????λ??С??λ??
n &= 0x3FFF;
if (scale == 0) {
return n;
} else if (scale == 1) {
return n / 100.0;
} else if (scale == 2) {
return n / 10000.0;
} else {
return n * 100;
}
} else if (b == BufferWriter.FLOAT32) {
int n = readInt32();
int scale = n >>> 30; // ????λ??С??λ??
n &= 0x3FFFFFFF;
if (scale == 0) {
return n;
} else if (scale == 1) {
return n / 100.0;
} else if (scale == 2) {
return n / 10000.0;
} else {
return n * 100.0;
}
} else if (b == BufferWriter.FLOAT64) {
return Double.longBitsToDouble(readLong64());
} else {
return (Double) readRepeat(b);
}
}
public long readBaseDate() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return (Long) repeatValue;
}
int b = read2();
switch (b) {
case BufferWriter.DATE16:
return BufferWriter.BASEDATE + readUInt16() * 86400000L;
case BufferWriter.DATE32:
return BufferWriter.BASEDATE - readULong32() * 1000L;
case BufferWriter.DATETIME32:
throw new RuntimeException();
case BufferWriter.DATETIME33:
throw new RuntimeException();
case BufferWriter.DATETIME64:
throw new RuntimeException();
case BufferWriter.TIME16:
throw new RuntimeException();
case BufferWriter.TIME17:
throw new RuntimeException();
case BufferWriter.TIME32:
throw new RuntimeException();
case BufferWriter.DATE24:
return BufferWriter.BASEDATE + readUInt24() * 86400000L;
case BufferWriter.DATE64:
return readLong64();
default:
java.sql.Date date = (Date) readRepeat(b);
return date.getTime();
}
}
public void skipBaseInt() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return;
}
int b = read2();
switch(b & 0xF0) {
case BufferWriter.MARK0:
break;
case BufferWriter.MARK1:
skipMark1(b);
break;
case BufferWriter.MARK2:
skipMark2(b);
break;
case BufferWriter.MARK3:
skipMark3(b);
break;
case BufferWriter.INT4:
break;
case BufferWriter.INT12:
skipFully(1);
break;
case BufferWriter.STRING4:
case BufferWriter.STRING5:
case BufferWriter.STRING4_ASSIC:
case BufferWriter.STRING5_ASSIC:
skipFully(b & 0x1F);
break;
case BufferWriter.DIGIT4:
skipFully(b & 0x0F);
break;
case BufferWriter.HEX4:
break;
case BufferWriter.REPEAT3:
readRepeat(b);
break;
case BufferWriter.SERIALBYTES:
int len = b & 0x0F;
if (len > 0) {
skipFully(len);
} else {
skipFully(16);
}
break;
default:
throw new RuntimeException();
}
}
public void skipBaseLong() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return;
}
int b = read2();
switch(b & 0xF0) {
case BufferWriter.MARK0:
break;
case BufferWriter.MARK1:
skipMark1(b);
break;
case BufferWriter.MARK2:
skipMark2(b);
break;
case BufferWriter.MARK3:
skipMark3(b);
break;
case BufferWriter.INT4:
break;
case BufferWriter.INT12:
skipFully(1);
break;
case BufferWriter.STRING4:
case BufferWriter.STRING5:
case BufferWriter.STRING4_ASSIC:
case BufferWriter.STRING5_ASSIC:
skipFully(b & 0x1F);
break;
case BufferWriter.DIGIT4:
skipFully(b & 0x0F);
break;
case BufferWriter.HEX4:
break;
case BufferWriter.REPEAT3:
readRepeat(b);
break;
case BufferWriter.SERIALBYTES:
int len = b & 0x0F;
if (len > 0) {
skipFully(len);
} else {
skipFully(16);
}
break;
default:
throw new RuntimeException();
}
}
public void skipBaseDouble() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return;
}
int b = read2();
switch(b & 0xF0) {
case BufferWriter.MARK0:
break;
case BufferWriter.MARK1:
skipMark1(b);
break;
case BufferWriter.MARK2:
skipMark2(b);
break;
case BufferWriter.MARK3:
skipMark3(b);
break;
case BufferWriter.INT4:
break;
case BufferWriter.INT12:
skipFully(1);
break;
case BufferWriter.STRING4:
case BufferWriter.STRING5:
case BufferWriter.STRING4_ASSIC:
case BufferWriter.STRING5_ASSIC:
skipFully(b & 0x1F);
break;
case BufferWriter.DIGIT4:
skipFully(b & 0x0F);
break;
case BufferWriter.HEX4:
break;
case BufferWriter.REPEAT3:
readRepeat(b);
break;
case BufferWriter.SERIALBYTES:
int len = b & 0x0F;
if (len > 0) {
skipFully(len);
} else {
skipFully(16);
}
break;
default:
throw new RuntimeException();
}
}
public void skipBaseDate() throws IOException {
if (repeatCount > 0) {
repeatCount--;
return;
}
int b = read2();
switch(b & 0xF0) {
case BufferWriter.MARK0:
break;
case BufferWriter.MARK1:
skipMark1(b);
break;
case BufferWriter.MARK2:
skipMark2(b);
break;
case BufferWriter.MARK3:
skipMark3(b);
break;
case BufferWriter.INT4:
break;
case BufferWriter.INT12:
skipFully(1);
break;
case BufferWriter.STRING4:
case BufferWriter.STRING5:
case BufferWriter.STRING4_ASSIC:
case BufferWriter.STRING5_ASSIC:
skipFully(b & 0x1F);
break;
case BufferWriter.DIGIT4:
skipFully(b & 0x0F);
break;
case BufferWriter.HEX4:
break;
case BufferWriter.REPEAT3:
readRepeat(b);
break;
case BufferWriter.SERIALBYTES:
int len = b & 0x0F;
if (len > 0) {
skipFully(len);
} else {
skipFully(16);
}
break;
default:
throw new RuntimeException();
}
}
public boolean isNull() {
if (repeatCount > 0) {
return repeatValue == null;
}
return (buffer[index] == BufferWriter.NULL);
}
/**
* ??ȡһ??????array??ָ??λ??
* @param array
* @param index
* @return
* @throws IOException
*/
public void readObject(IArray array, int index) throws IOException {
if (repeatCount > 0) {
repeatCount--;
array.set(index, repeatValue);
return;
}
array.set(index, innerReadObject());
}
/**
* ???ݿ????ͻ??һ??????
* @param count
* @return
*/
public IArray getEmptyArray(int count) {
return new ObjectArray(count);
}
private Sequence readInt16Sequence() throws IOException {
int len = readUInt16();
IntArray array = new IntArray(len);
for (int i = 0; i < len; ++i) {
array.pushInt(readUInt16());
}
Sequence seq = new Sequence(array);
return seq;
}
private Sequence readInt32Sequence() throws IOException {
int len = readUInt16();
IntArray array = new IntArray(len);
for (int i = 0; i < len; ++i) {
array.pushInt(readInt32());
}
Sequence seq = new Sequence(array);
return seq;
}
private Sequence readLong64Sequence() throws IOException {
int len = readUInt16();
LongArray array = new LongArray(len);
for (int i = 0; i < len; ++i) {
array.pushLong(readLong64());
}
Sequence seq = new Sequence(array);
return seq;
}
private Sequence readDouble64Sequence() throws IOException {
int len = readUInt16();
DoubleArray array = new DoubleArray(len);
for (int i = 0; i < len; ++i) {
array.pushDouble(Double.longBitsToDouble(readLong64()));
}
Sequence seq = new Sequence(array);
return seq;
}
private void skip16Sequence() throws IOException {
int len = readUInt16();
index += 2 * len;
}
private void skip32Sequence() throws IOException {
int len = readUInt16();
index += 4 * len;
}
private void skip64Sequence() throws IOException {
int len = readUInt16();
index += 8 * len;
}
public void setStructManager(StructManager structManager) {
this.structManager = structManager;
}
}
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