aboutsummaryrefslogtreecommitdiffstats
path: root/Software/Visual_Studio/Tango.Transport/Compression/Common
diff options
context:
space:
mode:
authorMirta <mirta@twine-s.com>2020-12-30 16:39:52 +0200
committerMirta <mirta@twine-s.com>2020-12-30 16:39:52 +0200
commit00a491d93733d4625ad329b2ba8237f445364b3f (patch)
tree4b24c6fa78d7648f4bb7cefafa464bb0b063fec4 /Software/Visual_Studio/Tango.Transport/Compression/Common
parent124ad4150f80c6846fdee41dbbda9848c105f6e5 (diff)
downloadTango-00a491d9.tar.gz
Tango-00a491d9.zip
merge
Diffstat (limited to 'Software/Visual_Studio/Tango.Transport/Compression/Common')
-rw-r--r--Software/Visual_Studio/Tango.Transport/Compression/Common/CRC.cs55
-rw-r--r--Software/Visual_Studio/Tango.Transport/Compression/Common/CommandLineParser.cs274
-rw-r--r--Software/Visual_Studio/Tango.Transport/Compression/Common/InBuffer.cs72
-rw-r--r--Software/Visual_Studio/Tango.Transport/Compression/Common/OutBuffer.cs47
4 files changed, 0 insertions, 448 deletions
diff --git a/Software/Visual_Studio/Tango.Transport/Compression/Common/CRC.cs b/Software/Visual_Studio/Tango.Transport/Compression/Common/CRC.cs
deleted file mode 100644
index 59fd06bde..000000000
--- a/Software/Visual_Studio/Tango.Transport/Compression/Common/CRC.cs
+++ /dev/null
@@ -1,55 +0,0 @@
-// Common/CRC.cs
-
-namespace Tango.Transport.Compression
-{
- class CRC
- {
- public static readonly uint[] Table;
-
- static CRC()
- {
- Table = new uint[256];
- const uint kPoly = 0xEDB88320;
- for (uint i = 0; i < 256; i++)
- {
- uint r = i;
- for (int j = 0; j < 8; j++)
- if ((r & 1) != 0)
- r = (r >> 1) ^ kPoly;
- else
- r >>= 1;
- Table[i] = r;
- }
- }
-
- uint _value = 0xFFFFFFFF;
-
- public void Init() { _value = 0xFFFFFFFF; }
-
- public void UpdateByte(byte b)
- {
- _value = Table[(((byte)(_value)) ^ b)] ^ (_value >> 8);
- }
-
- public void Update(byte[] data, uint offset, uint size)
- {
- for (uint i = 0; i < size; i++)
- _value = Table[(((byte)(_value)) ^ data[offset + i])] ^ (_value >> 8);
- }
-
- public uint GetDigest() { return _value ^ 0xFFFFFFFF; }
-
- static uint CalculateDigest(byte[] data, uint offset, uint size)
- {
- CRC crc = new CRC();
- // crc.Init();
- crc.Update(data, offset, size);
- return crc.GetDigest();
- }
-
- static bool VerifyDigest(uint digest, byte[] data, uint offset, uint size)
- {
- return (CalculateDigest(data, offset, size) == digest);
- }
- }
-}
diff --git a/Software/Visual_Studio/Tango.Transport/Compression/Common/CommandLineParser.cs b/Software/Visual_Studio/Tango.Transport/Compression/Common/CommandLineParser.cs
deleted file mode 100644
index dd0cb45d1..000000000
--- a/Software/Visual_Studio/Tango.Transport/Compression/Common/CommandLineParser.cs
+++ /dev/null
@@ -1,274 +0,0 @@
-// CommandLineParser.cs
-
-using System;
-using System.Collections;
-
-namespace Tango.Transport.Compression.CommandLineParser
-{
- public enum SwitchType
- {
- Simple,
- PostMinus,
- LimitedPostString,
- UnLimitedPostString,
- PostChar
- }
-
- public class SwitchForm
- {
- public string IDString;
- public SwitchType Type;
- public bool Multi;
- public int MinLen;
- public int MaxLen;
- public string PostCharSet;
-
- public SwitchForm(string idString, SwitchType type, bool multi,
- int minLen, int maxLen, string postCharSet)
- {
- IDString = idString;
- Type = type;
- Multi = multi;
- MinLen = minLen;
- MaxLen = maxLen;
- PostCharSet = postCharSet;
- }
- public SwitchForm(string idString, SwitchType type, bool multi, int minLen):
- this(idString, type, multi, minLen, 0, "")
- {
- }
- public SwitchForm(string idString, SwitchType type, bool multi):
- this(idString, type, multi, 0)
- {
- }
- }
-
- public class SwitchResult
- {
- public bool ThereIs;
- public bool WithMinus;
- public ArrayList PostStrings = new ArrayList();
- public int PostCharIndex;
- public SwitchResult()
- {
- ThereIs = false;
- }
- }
-
- public class Parser
- {
- public ArrayList NonSwitchStrings = new ArrayList();
- SwitchResult[] _switches;
-
- public Parser(int numSwitches)
- {
- _switches = new SwitchResult[numSwitches];
- for (int i = 0; i < numSwitches; i++)
- _switches[i] = new SwitchResult();
- }
-
- bool ParseString(string srcString, SwitchForm[] switchForms)
- {
- int len = srcString.Length;
- if (len == 0)
- return false;
- int pos = 0;
- if (!IsItSwitchChar(srcString[pos]))
- return false;
- while (pos < len)
- {
- if (IsItSwitchChar(srcString[pos]))
- pos++;
- const int kNoLen = -1;
- int matchedSwitchIndex = 0;
- int maxLen = kNoLen;
- for (int switchIndex = 0; switchIndex < _switches.Length; switchIndex++)
- {
- int switchLen = switchForms[switchIndex].IDString.Length;
- if (switchLen <= maxLen || pos + switchLen > len)
- continue;
- if (String.Compare(switchForms[switchIndex].IDString, 0,
- srcString, pos, switchLen, true) == 0)
- {
- matchedSwitchIndex = switchIndex;
- maxLen = switchLen;
- }
- }
- if (maxLen == kNoLen)
- throw new Exception("maxLen == kNoLen");
- SwitchResult matchedSwitch = _switches[matchedSwitchIndex];
- SwitchForm switchForm = switchForms[matchedSwitchIndex];
- if ((!switchForm.Multi) && matchedSwitch.ThereIs)
- throw new Exception("switch must be single");
- matchedSwitch.ThereIs = true;
- pos += maxLen;
- int tailSize = len - pos;
- SwitchType type = switchForm.Type;
- switch (type)
- {
- case SwitchType.PostMinus:
- {
- if (tailSize == 0)
- matchedSwitch.WithMinus = false;
- else
- {
- matchedSwitch.WithMinus = (srcString[pos] == kSwitchMinus);
- if (matchedSwitch.WithMinus)
- pos++;
- }
- break;
- }
- case SwitchType.PostChar:
- {
- if (tailSize < switchForm.MinLen)
- throw new Exception("switch is not full");
- string charSet = switchForm.PostCharSet;
- const int kEmptyCharValue = -1;
- if (tailSize == 0)
- matchedSwitch.PostCharIndex = kEmptyCharValue;
- else
- {
- int index = charSet.IndexOf(srcString[pos]);
- if (index < 0)
- matchedSwitch.PostCharIndex = kEmptyCharValue;
- else
- {
- matchedSwitch.PostCharIndex = index;
- pos++;
- }
- }
- break;
- }
- case SwitchType.LimitedPostString:
- case SwitchType.UnLimitedPostString:
- {
- int minLen = switchForm.MinLen;
- if (tailSize < minLen)
- throw new Exception("switch is not full");
- if (type == SwitchType.UnLimitedPostString)
- {
- matchedSwitch.PostStrings.Add(srcString.Substring(pos));
- return true;
- }
- String stringSwitch = srcString.Substring(pos, minLen);
- pos += minLen;
- for (int i = minLen; i < switchForm.MaxLen && pos < len; i++, pos++)
- {
- char c = srcString[pos];
- if (IsItSwitchChar(c))
- break;
- stringSwitch += c;
- }
- matchedSwitch.PostStrings.Add(stringSwitch);
- break;
- }
- }
- }
- return true;
-
- }
-
- public void ParseStrings(SwitchForm[] switchForms, string[] commandStrings)
- {
- int numCommandStrings = commandStrings.Length;
- bool stopSwitch = false;
- for (int i = 0; i < numCommandStrings; i++)
- {
- string s = commandStrings[i];
- if (stopSwitch)
- NonSwitchStrings.Add(s);
- else
- if (s == kStopSwitchParsing)
- stopSwitch = true;
- else
- if (!ParseString(s, switchForms))
- NonSwitchStrings.Add(s);
- }
- }
-
- public SwitchResult this[int index] { get { return _switches[index]; } }
-
- public static int ParseCommand(CommandForm[] commandForms, string commandString,
- out string postString)
- {
- for (int i = 0; i < commandForms.Length; i++)
- {
- string id = commandForms[i].IDString;
- if (commandForms[i].PostStringMode)
- {
- if (commandString.IndexOf(id) == 0)
- {
- postString = commandString.Substring(id.Length);
- return i;
- }
- }
- else
- if (commandString == id)
- {
- postString = "";
- return i;
- }
- }
- postString = "";
- return -1;
- }
-
- static bool ParseSubCharsCommand(int numForms, CommandSubCharsSet[] forms,
- string commandString, ArrayList indices)
- {
- indices.Clear();
- int numUsedChars = 0;
- for (int i = 0; i < numForms; i++)
- {
- CommandSubCharsSet charsSet = forms[i];
- int currentIndex = -1;
- int len = charsSet.Chars.Length;
- for (int j = 0; j < len; j++)
- {
- char c = charsSet.Chars[j];
- int newIndex = commandString.IndexOf(c);
- if (newIndex >= 0)
- {
- if (currentIndex >= 0)
- return false;
- if (commandString.IndexOf(c, newIndex + 1) >= 0)
- return false;
- currentIndex = j;
- numUsedChars++;
- }
- }
- if (currentIndex == -1 && !charsSet.EmptyAllowed)
- return false;
- indices.Add(currentIndex);
- }
- return (numUsedChars == commandString.Length);
- }
- const char kSwitchID1 = '-';
- const char kSwitchID2 = '/';
-
- const char kSwitchMinus = '-';
- const string kStopSwitchParsing = "--";
-
- static bool IsItSwitchChar(char c)
- {
- return (c == kSwitchID1 || c == kSwitchID2);
- }
- }
-
- public class CommandForm
- {
- public string IDString = "";
- public bool PostStringMode = false;
- public CommandForm(string idString, bool postStringMode)
- {
- IDString = idString;
- PostStringMode = postStringMode;
- }
- }
-
- class CommandSubCharsSet
- {
- public string Chars = "";
- public bool EmptyAllowed = false;
- }
-}
diff --git a/Software/Visual_Studio/Tango.Transport/Compression/Common/InBuffer.cs b/Software/Visual_Studio/Tango.Transport/Compression/Common/InBuffer.cs
deleted file mode 100644
index 012954dfa..000000000
--- a/Software/Visual_Studio/Tango.Transport/Compression/Common/InBuffer.cs
+++ /dev/null
@@ -1,72 +0,0 @@
-// InBuffer.cs
-
-namespace Tango.Transport.Compression
-{
- public class InBuffer
- {
- byte[] m_Buffer;
- uint m_Pos;
- uint m_Limit;
- uint m_BufferSize;
- System.IO.Stream m_Stream;
- bool m_StreamWasExhausted;
- ulong m_ProcessedSize;
-
- public InBuffer(uint bufferSize)
- {
- m_Buffer = new byte[bufferSize];
- m_BufferSize = bufferSize;
- }
-
- public void Init(System.IO.Stream stream)
- {
- m_Stream = stream;
- m_ProcessedSize = 0;
- m_Limit = 0;
- m_Pos = 0;
- m_StreamWasExhausted = false;
- }
-
- public bool ReadBlock()
- {
- if (m_StreamWasExhausted)
- return false;
- m_ProcessedSize += m_Pos;
- int aNumProcessedBytes = m_Stream.Read(m_Buffer, 0, (int)m_BufferSize);
- m_Pos = 0;
- m_Limit = (uint)aNumProcessedBytes;
- m_StreamWasExhausted = (aNumProcessedBytes == 0);
- return (!m_StreamWasExhausted);
- }
-
-
- public void ReleaseStream()
- {
- // m_Stream.Close();
- m_Stream = null;
- }
-
- public bool ReadByte(byte b) // check it
- {
- if (m_Pos >= m_Limit)
- if (!ReadBlock())
- return false;
- b = m_Buffer[m_Pos++];
- return true;
- }
-
- public byte ReadByte()
- {
- // return (byte)m_Stream.ReadByte();
- if (m_Pos >= m_Limit)
- if (!ReadBlock())
- return 0xFF;
- return m_Buffer[m_Pos++];
- }
-
- public ulong GetProcessedSize()
- {
- return m_ProcessedSize + m_Pos;
- }
- }
-}
diff --git a/Software/Visual_Studio/Tango.Transport/Compression/Common/OutBuffer.cs b/Software/Visual_Studio/Tango.Transport/Compression/Common/OutBuffer.cs
deleted file mode 100644
index 624ecf937..000000000
--- a/Software/Visual_Studio/Tango.Transport/Compression/Common/OutBuffer.cs
+++ /dev/null
@@ -1,47 +0,0 @@
-// OutBuffer.cs
-
-namespace Tango.Transport.Compression
-{
- public class OutBuffer
- {
- byte[] m_Buffer;
- uint m_Pos;
- uint m_BufferSize;
- System.IO.Stream m_Stream;
- ulong m_ProcessedSize;
-
- public OutBuffer(uint bufferSize)
- {
- m_Buffer = new byte[bufferSize];
- m_BufferSize = bufferSize;
- }
-
- public void SetStream(System.IO.Stream stream) { m_Stream = stream; }
- public void FlushStream() { m_Stream.Flush(); }
- public void CloseStream() { m_Stream.Close(); }
- public void ReleaseStream() { m_Stream = null; }
-
- public void Init()
- {
- m_ProcessedSize = 0;
- m_Pos = 0;
- }
-
- public void WriteByte(byte b)
- {
- m_Buffer[m_Pos++] = b;
- if (m_Pos >= m_BufferSize)
- FlushData();
- }
-
- public void FlushData()
- {
- if (m_Pos == 0)
- return;
- m_Stream.Write(m_Buffer, 0, (int)m_Pos);
- m_Pos = 0;
- }
-
- public ulong GetProcessedSize() { return m_ProcessedSize + m_Pos; }
- }
-}