1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/win32/7zip/7z/CPP/7zip/Archive/Lzh/LzhItem.h	Sat Mar 03 10:31:27 2012 -0600
     1.3 @@ -0,0 +1,172 @@
     1.4 +// Archive/LzhItem.h
     1.5 +
     1.6 +#ifndef __ARCHIVE_LZH_ITEM_H
     1.7 +#define __ARCHIVE_LZH_ITEM_H
     1.8 +
     1.9 +#include "Common/Types.h"
    1.10 +#include "Common/MyString.h"
    1.11 +#include "Common/Buffer.h"
    1.12 +#include "LzhHeader.h"
    1.13 +
    1.14 +namespace NArchive {
    1.15 +namespace NLzh {
    1.16 +
    1.17 +struct CExtension
    1.18 +{
    1.19 +  Byte Type;
    1.20 +  CByteBuffer Data;
    1.21 +  AString GetString() const
    1.22 +  {
    1.23 +    AString s;
    1.24 +    for (size_t i = 0; i < Data.GetCapacity(); i++)
    1.25 +    {
    1.26 +      char c = (char)Data[i];
    1.27 +      if (c == 0)
    1.28 +        break;
    1.29 +      s += c;
    1.30 +    }
    1.31 +    return s;
    1.32 +  }
    1.33 +};
    1.34 +
    1.35 +struct CItem
    1.36 +{
    1.37 +public:
    1.38 +  AString Name;
    1.39 +  Byte Method[kMethodIdSize];
    1.40 +  UInt32 PackSize;
    1.41 +  UInt32 Size;
    1.42 +  UInt32 ModifiedTime;
    1.43 +  Byte Attributes;
    1.44 +  Byte Level;
    1.45 +  UInt16 CRC;
    1.46 +  Byte OsId;
    1.47 +  CObjectVector<CExtension> Extensions;
    1.48 +
    1.49 +  bool IsValidMethod() const  { return (Method[0] == '-' && Method[1] == 'l' && Method[4] == '-'); }
    1.50 +  bool IsLhMethod() const  {return (IsValidMethod() && Method[2] == 'h'); }
    1.51 +  bool IsDir() const {return (IsLhMethod() && Method[3] == 'd'); }
    1.52 +
    1.53 +  bool IsCopyMethod() const
    1.54 +  {
    1.55 +    return (IsLhMethod() && Method[3] == '0') ||
    1.56 +      (IsValidMethod() && Method[2] == 'z' && Method[3] == '4');
    1.57 +  }
    1.58 +  
    1.59 +  bool IsLh1GroupMethod() const
    1.60 +  {
    1.61 +    if (!IsLhMethod())
    1.62 +      return false;
    1.63 +    switch(Method[3])
    1.64 +    {
    1.65 +      case '1':
    1.66 +        return true;
    1.67 +    }
    1.68 +    return false;
    1.69 +  }
    1.70 +  
    1.71 +  bool IsLh4GroupMethod() const
    1.72 +  {
    1.73 +    if (!IsLhMethod())
    1.74 +      return false;
    1.75 +    switch(Method[3])
    1.76 +    {
    1.77 +      case '4':
    1.78 +      case '5':
    1.79 +      case '6':
    1.80 +      case '7':
    1.81 +        return true;
    1.82 +    }
    1.83 +    return false;
    1.84 +  }
    1.85 +  
    1.86 +  int GetNumDictBits() const
    1.87 +  {
    1.88 +    if (!IsLhMethod())
    1.89 +      return 0;
    1.90 +    switch(Method[3])
    1.91 +    {
    1.92 +      case '1':
    1.93 +        return 12;
    1.94 +      case '2':
    1.95 +        return 13;
    1.96 +      case '3':
    1.97 +        return 13;
    1.98 +      case '4':
    1.99 +        return 12;
   1.100 +      case '5':
   1.101 +        return 13;
   1.102 +      case '6':
   1.103 +        return 15;
   1.104 +      case '7':
   1.105 +        return 16;
   1.106 +    }
   1.107 +    return 0;
   1.108 +  }
   1.109 +
   1.110 +  int FindExt(Byte type) const
   1.111 +  {
   1.112 +    for (int i = 0; i < Extensions.Size(); i++)
   1.113 +      if (Extensions[i].Type == type)
   1.114 +        return i;
   1.115 +    return -1;
   1.116 +  }
   1.117 +  bool GetUnixTime(UInt32 &value) const
   1.118 +  {
   1.119 +    int index = FindExt(kExtIdUnixTime);
   1.120 +    if (index < 0)
   1.121 +    {
   1.122 +      if (Level == 2)
   1.123 +      {
   1.124 +        value = ModifiedTime;
   1.125 +        return true;
   1.126 +      }
   1.127 +      return false;
   1.128 +    }
   1.129 +    const Byte *data = (const Byte *)(Extensions[index].Data);
   1.130 +    value = data[0] |
   1.131 +        ((UInt32)data[1] << 8) |
   1.132 +        ((UInt32)data[2] << 16) |
   1.133 +        ((UInt32)data[3] << 24);
   1.134 +    return true;
   1.135 +  }
   1.136 +
   1.137 +  AString GetDirName() const
   1.138 +  {
   1.139 +    int index = FindExt(kExtIdDirName);
   1.140 +    if (index < 0)
   1.141 +      return AString();
   1.142 +    return Extensions[index].GetString();
   1.143 +  }
   1.144 +
   1.145 +  AString GetFileName() const
   1.146 +  {
   1.147 +    int index = FindExt(kExtIdFileName);
   1.148 +    if (index < 0)
   1.149 +      return Name;
   1.150 +    return Extensions[index].GetString();
   1.151 +  }
   1.152 +
   1.153 +  AString GetName() const
   1.154 +  {
   1.155 +    AString dirName = GetDirName();
   1.156 +    dirName.Replace((char)(unsigned char)0xFF, '\\');
   1.157 +    if (!dirName.IsEmpty())
   1.158 +    {
   1.159 +      char c = dirName[dirName.Length() - 1];
   1.160 +      if (c != '\\')
   1.161 +        dirName += '\\';
   1.162 +    }
   1.163 +    return dirName + GetFileName();
   1.164 +  }
   1.165 +};
   1.166 +
   1.167 +class CItemEx: public CItem
   1.168 +{
   1.169 +public:
   1.170 +  UInt64 DataPosition;
   1.171 +};
   1.172 +
   1.173 +}}
   1.174 +
   1.175 +#endif