diff options
Diffstat (limited to 'Software/Visual_Studio/Tango.Transport/Compression/Common')
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; } - } -} |