|
private ReadInput ( System sourceStream, sbyte &target, int start, int count ) : |
||
| sourceStream | System | |
| target | sbyte | |
| start | int | |
| count | int | |
| return | ||
/// <summary>
/// Open a RIFF file.
/// </summary>
public virtual int Open(string filename, int newMode)
{
int retcode = DDC_SUCCESS;
if (Fmode != RFM_UNKNOWN)
{
retcode = Close();
}
if (retcode == DDC_SUCCESS)
{
switch (newMode)
{
case RFM_WRITE:
try
{
m_File = RandomAccessFileStream.CreateRandomAccessFile(filename, "rw");
try
{
// Write the RIFF header...
// We will have to come back later and patch it!
sbyte[] br = new sbyte[8];
br[0] = (sbyte)((SupportClass.URShift(m_RiffHeader.CkId, 24)) & 0x000000FF);
br[1] = (sbyte)((SupportClass.URShift(m_RiffHeader.CkId, 16)) & 0x000000FF);
br[2] = (sbyte)((SupportClass.URShift(m_RiffHeader.CkId, 8)) & 0x000000FF);
br[3] = (sbyte)(m_RiffHeader.CkId & 0x000000FF);
sbyte br4 = (sbyte)((SupportClass.URShift(m_RiffHeader.CkSize, 24)) & 0x000000FF);
sbyte br5 = (sbyte)((SupportClass.URShift(m_RiffHeader.CkSize, 16)) & 0x000000FF);
sbyte br6 = (sbyte)((SupportClass.URShift(m_RiffHeader.CkSize, 8)) & 0x000000FF);
sbyte br7 = (sbyte)(m_RiffHeader.CkSize & 0x000000FF);
br[4] = br7;
br[5] = br6;
br[6] = br5;
br[7] = br4;
m_File.Write(SupportClass.ToByteArray(br), 0, 8);
Fmode = RFM_WRITE;
}
catch
{
m_File.Close();
Fmode = RFM_UNKNOWN;
}
}
catch
{
Fmode = RFM_UNKNOWN;
retcode = DDC_FILE_ERROR;
}
break;
case RFM_READ:
try
{
m_File = RandomAccessFileStream.CreateRandomAccessFile(filename, "r");
try
{
// Try to read the RIFF header...
sbyte[] br = new sbyte[8];
SupportClass.ReadInput(m_File, ref br, 0, 8);
Fmode = RFM_READ;
m_RiffHeader.CkId = ((br[0] << 24) & (int)SupportClass.Identity(0xFF000000)) |
((br[1] << 16) & 0x00FF0000) | ((br[2] << 8) & 0x0000FF00) |
(br[3] & 0x000000FF);
m_RiffHeader.CkSize = ((br[4] << 24) & (int)SupportClass.Identity(0xFF000000)) |
((br[5] << 16) & 0x00FF0000) | ((br[6] << 8) & 0x0000FF00) |
(br[7] & 0x000000FF);
}
catch
{
m_File.Close();
Fmode = RFM_UNKNOWN;
}
}
catch
{
Fmode = RFM_UNKNOWN;
retcode = DDC_FILE_ERROR;
}
break;
default:
retcode = DDC_INVALID_CALL;
break;
}
}
return(retcode);
}
/// <summary>
/// Read bytes from an input stream into a byte array then close the input
/// stream
///
/// </summary>
/// <param name="in">
/// </param>
/// <param name="len">
/// </param>
/// <returns>
/// </returns>
/// <throws> IOException </throws>
public static sbyte[] readFromStream(System.IO.Stream in_Renamed, int len)
{
sbyte[] data;
int read;
if (len >= 0)
{
data = new sbyte[len];
read = 0;
while (read < len)
{
int k = in_Renamed is org.javarosa.core.io.BufferedInputStream?((org.javarosa.core.io.BufferedInputStream)in_Renamed).read(data, read, len - read):SupportClass.ReadInput(in_Renamed, data, read, len - read);
if (k == -1)
{
break;
}
read += k;
}
}
else
{
System.IO.MemoryStream buffer = new System.IO.MemoryStream();
while (true)
{
int b = in_Renamed.ReadByte();
if (b == -1)
{
break;
}
buffer.WriteByte((System.Byte)b);
}
data = SupportClass.ToSByteArray(buffer.ToArray());
read = data.Length;
}
if (len > 0 && read < len)
{
// System.out.println("WARNING: expected " + len + "!!");
throw new System.SystemException("expected: " + len + " bytes but read " + read);
}
// replyS
// System.out.println(new String(data, "UTF-8"));
return(data);
}
/// <summary> Open a RIFF file.
/// </summary>
public virtual int Open(System.String Filename, int NewMode)
{
int retcode = DDC_SUCCESS;
if (fmode != RFM_UNKNOWN)
{
retcode = Close();
}
if (retcode == DDC_SUCCESS)
{
switch (NewMode)
{
case RFM_WRITE:
try
{
file = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(Filename, "rw");
try
{
// Write the RIFF header...
// We will have to come back later and patch it!
sbyte[] br = new sbyte[8];
br[0] = (sbyte)((SupportClass.URShift(riff_header.ckID, 24)) & 0x000000FF);
br[1] = (sbyte)((SupportClass.URShift(riff_header.ckID, 16)) & 0x000000FF);
br[2] = (sbyte)((SupportClass.URShift(riff_header.ckID, 8)) & 0x000000FF);
br[3] = (sbyte)(riff_header.ckID & 0x000000FF);
sbyte br4 = (sbyte)((SupportClass.URShift(riff_header.ckSize, 24)) & 0x000000FF);
sbyte br5 = (sbyte)((SupportClass.URShift(riff_header.ckSize, 16)) & 0x000000FF);
sbyte br6 = (sbyte)((SupportClass.URShift(riff_header.ckSize, 8)) & 0x000000FF);
sbyte br7 = (sbyte)(riff_header.ckSize & 0x000000FF);
br[4] = br7;
br[5] = br6;
br[6] = br5;
br[7] = br4;
file.Write(SupportClass.ToByteArray(br), 0, 8);
fmode = RFM_WRITE;
}
catch (System.IO.IOException ioe)
{
file.Close();
fmode = RFM_UNKNOWN;
}
}
catch (System.IO.IOException ioe)
{
fmode = RFM_UNKNOWN;
retcode = DDC_FILE_ERROR;
}
break;
case RFM_READ:
try
{
file = SupportClass.RandomAccessFileSupport.CreateRandomAccessFile(Filename, "r");
try
{
// Try to read the RIFF header...
sbyte[] br = new sbyte[8];
SupportClass.ReadInput(file, ref br, 0, 8);
fmode = RFM_READ;
riff_header.ckID = ((br[0] << 24) & (int)SupportClass.Identity(0xFF000000)) | ((br[1] << 16) & 0x00FF0000) | ((br[2] << 8) & 0x0000FF00) | (br[3] & 0x000000FF);
riff_header.ckSize = ((br[4] << 24) & (int)SupportClass.Identity(0xFF000000)) | ((br[5] << 16) & 0x00FF0000) | ((br[6] << 8) & 0x0000FF00) | (br[7] & 0x000000FF);
}
catch (System.IO.IOException ioe)
{
file.Close();
fmode = RFM_UNKNOWN;
}
}
catch (System.IO.IOException ioe)
{
fmode = RFM_UNKNOWN;
retcode = DDC_FILE_ERROR;
}
break;
default:
retcode = DDC_INVALID_CALL;
break;
}
}
return(retcode);
}
public static sbyte[] toByteArray(Stream input, int length)
{
BufferedStream inputStream = new BufferedStream(input);
sbyte[] buffer = new sbyte[length];
try
{
int bytesRead = 0;
int index = 0;
while ((bytesRead >= 0) && (index < buffer.Length))
{
bytesRead = inputStream is Flash.Swf.SwfDecoder?((Flash.Swf.SwfDecoder)inputStream).read(buffer, index, buffer.Length - index):SupportClass.ReadInput(inputStream, buffer, index, buffer.Length - index);
index += bytesRead;
}
}
finally
{
inputStream.Close();
}
return(buffer);
}
private bool fillBuffer()
{
if (count == -1)
{
//do nothing
return(false);
}
position = 0;
count = in_Renamed is org.javarosa.core.io.BufferedInputStream?((org.javarosa.core.io.BufferedInputStream)in_Renamed).read(buffer):SupportClass.ReadInput(in_Renamed, buffer, 0, buffer.Length);
return(count == buffer.Length);
}
public virtual int read(sbyte[] b, int offs, int len)
{
int read = SupportClass.ReadInput(in_Renamed, ref b, offs, len);
return(read);
}
/// <summary> Creates an ensemble object for the product PDS.</summary>
/// <param name="raf">RandomAccessFile.
/// </param>
/// <param name="parameterNumber">
/// </param>
/// <throws> IOException </throws>
//UPGRADE_TODO: Class 'java.io.RandomAccessFile' was converted to 'System.IO.FileStream' which has a different behavior. "ms-help://MS.VSCC.v80/dv_commoner/local/redirect.htm?index='!DefaultContextWindowIndex'&keyword='jlca1073_javaioRandomAccessFile'"
public Grib1Ensemble(System.IO.FileStream raf, int parameterNumber)
{
// skip 12 bytes to start of ensemble
SupportClass.Skip(raf, 12);
// octet 41 id's ensemble
int app = raf.ReadByte();
if (app != 1)
{
System.Console.Out.WriteLine("not ensemble product");
return;
}
// octet 42 Type
eType = raf.ReadByte();
// octet 43 Identification number
eId = raf.ReadByte();
// octet 44 Product Identifier
eProd = raf.ReadByte();
// octet 45 Spatial Identifier
eSpatial = raf.ReadByte();
if (parameterNumber == 191 || parameterNumber == 192)
{
// octet 46 Probability product definition
epd = raf.ReadByte();
// octet 47 Probability type
ept = raf.ReadByte();
// octet 48-51 Probability lower limit
epll = GribNumbers.int4(raf);
// octet 52-55 Probability upper limit
epul = GribNumbers.int4(raf);
// octet 56-60 reserved
int reserved = GribNumbers.int4(raf);
if (eType == 4 || eType == 5)
{
// octet 61 Ensemble size
eSize = raf.ReadByte();
// octet 62 Cluster size
eCSize = raf.ReadByte();
// octet 63 Number of clusters
eCNumber = raf.ReadByte();
// octet 64 Clustering Method
eCMethod = raf.ReadByte();
// octet 65-67 Northern latitude of clustering domain
nLat = GribNumbers.int3(raf);
// octet 68-70 Southern latitude of clustering domain
sLat = GribNumbers.int3(raf);
// octet 71-73 Eastern latitude of clustering domain
eLat = GribNumbers.int3(raf);
// octet 74-76 Western latitude of clustering domain
wLat = GribNumbers.int3(raf);
if (eType == 4)
{
// octets 77-86 Cluster Membership
cm = new sbyte[10];
SupportClass.ReadInput(raf, cm, 0, cm.Length);
}
}
}
}
