From f2902217b38cf2e16e851ae84d61247f8e828180 Mon Sep 17 00:00:00 2001 From: wolfbeast Date: Mon, 25 Mar 2019 17:53:14 +0100 Subject: Update the 7z installer stub source to 18.05. Tag #1022 --- other-licenses/7zstub/src/CS/7zip/Common/CRC.cs | 55 +++++ .../7zstub/src/CS/7zip/Common/CommandLineParser.cs | 274 +++++++++++++++++++++ .../7zstub/src/CS/7zip/Common/InBuffer.cs | 72 ++++++ .../7zstub/src/CS/7zip/Common/OutBuffer.cs | 47 ++++ 4 files changed, 448 insertions(+) create mode 100644 other-licenses/7zstub/src/CS/7zip/Common/CRC.cs create mode 100644 other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs create mode 100644 other-licenses/7zstub/src/CS/7zip/Common/InBuffer.cs create mode 100644 other-licenses/7zstub/src/CS/7zip/Common/OutBuffer.cs (limited to 'other-licenses/7zstub/src/CS/7zip/Common') diff --git a/other-licenses/7zstub/src/CS/7zip/Common/CRC.cs b/other-licenses/7zstub/src/CS/7zip/Common/CRC.cs new file mode 100644 index 000000000..62bb8478b --- /dev/null +++ b/other-licenses/7zstub/src/CS/7zip/Common/CRC.cs @@ -0,0 +1,55 @@ +// Common/CRC.cs + +namespace SevenZip +{ + 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/other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs b/other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs new file mode 100644 index 000000000..b46f6f209 --- /dev/null +++ b/other-licenses/7zstub/src/CS/7zip/Common/CommandLineParser.cs @@ -0,0 +1,274 @@ +// CommandLineParser.cs + +using System; +using System.Collections; + +namespace SevenZip.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/other-licenses/7zstub/src/CS/7zip/Common/InBuffer.cs b/other-licenses/7zstub/src/CS/7zip/Common/InBuffer.cs new file mode 100644 index 000000000..9c47c73ae --- /dev/null +++ b/other-licenses/7zstub/src/CS/7zip/Common/InBuffer.cs @@ -0,0 +1,72 @@ +// InBuffer.cs + +namespace SevenZip.Buffer +{ + 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/other-licenses/7zstub/src/CS/7zip/Common/OutBuffer.cs b/other-licenses/7zstub/src/CS/7zip/Common/OutBuffer.cs new file mode 100644 index 000000000..c205aa634 --- /dev/null +++ b/other-licenses/7zstub/src/CS/7zip/Common/OutBuffer.cs @@ -0,0 +1,47 @@ +// OutBuffer.cs + +namespace SevenZip.Buffer +{ + 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; } + } +} -- cgit v1.2.3