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v1.01 Arie van Brakel 2020-Jan-16 #2

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11 changes: 10 additions & 1 deletion README.md
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unzip_pc3
=========

Compress and decompress pc3 files for AutoCAD
Compress and decompress pc3 files for AutoCAD

Original Version: Boxa Shu 2014-Okt-16

v1.01 Arie van Brakel 2020-Jan-16
-Fixed Special chars in strings #1
If special chars like � are replaced by ?
-Added error messages and userfeedback
-Added filter on files
-Added support for extracting .PMP and .CTB files
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146 changes: 94 additions & 52 deletions unzip_pc3/Program.cs
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Expand Up @@ -4,8 +4,6 @@
using System.Text;
using System.Threading.Tasks;
using System.IO;


using Ionic.Zlib;

namespace unzip_pc3
Expand All @@ -20,85 +18,129 @@ class Program
static void Main(string[] args)
{
//' на основе вот этого топака : http://www.theswamp.org/index.php?topic=41529.0
if(args.Length == 2){
if (args.Length == 2)
{
if (File.Exists(args[1]))
{
// тут распаковываем архивчик
if (args[0] == "e")
// тут распаковываем архивчик, Extract
if ((args[0] == "e") || (args[0] == "-e"))
{
string fileName = args[1];
using (FileStream fs = File.Open(fileName, FileMode.Open, FileAccess.Read))
string ext = Path.GetExtension(fileName).ToUpper();
if ((0 == String.Compare(ext, ".PC3"))||(0 == String.Compare(ext, ".PMP"))||(0 == String.Compare(ext, ".CTB")))
{
fs.Seek(60L, SeekOrigin.Begin);

using (ZlibStream zs = new ZlibStream(fs, CompressionMode.Decompress))
using (FileStream fs = File.Open(fileName, FileMode.Open, FileAccess.Read))
{
using (StreamReader sr = new StreamReader(zs))
fs.Seek(60L, SeekOrigin.Begin);
using (ZlibStream zs = new ZlibStream(fs, CompressionMode.Decompress))
{
//тут текстово содержание файла
string s = sr.ReadToEnd();
// Console.WriteLine("\nStart:");
int chr;
chr = 0;
string str = "";

using (FileStream fs_out = File.Open(fileName + ".txt", FileMode.Create, FileAccess.ReadWrite))
while (chr > -1)
{
fs_out.Write(Encoding.Default.GetBytes(s), 0, Encoding.Default.GetBytes(s).Length);
chr = zs.ReadByte();
if (chr > -1)
{
str = str + Convert.ToChar(chr);
}
}
//Console.Write(str);
//Console.WriteLine("\nend:");
/* using (StreamReader sr = new StreamReader(zs))
{
//тут текстово содержание файла
string s = sr.ReadToEnd();
//Console.WriteLine(s);
*/
using (FileStream fs_out = File.Open(fileName + ".txt", FileMode.Create, FileAccess.ReadWrite))
{
fs_out.Write(Encoding.Default.GetBytes(str), 0, Encoding.Default.GetBytes(str).Length);
}
//}
Console.WriteLine("\n File saved to {0}.txt ", fileName);
}
}
}
else
{
Console.Write("File {0} is not a .pc3 file", args[1]);
}
}

// Тут запаковываем все обратно
if (args[0] == "c")
else if ((args[0] == "c") || (args[0] == "-c"))// Тут запаковываем все обратно, COMPRESS
{
string fileName = args[1];
using (FileStream fs = File.Open(fileName, FileMode.Open, FileAccess.Read))
string ext = Path.GetExtension(fileName);
if (0 == String.Compare(ext.ToUpper(), ".TXT"))
{
using (StreamReader sr = new StreamReader(fs))
using (FileStream fs = File.Open(fileName, FileMode.Open, FileAccess.Read))
{
// заголовок файла, без него автокад не работает
String pref_s = "PIAFILEVERSION_2.0,PC3VER1,compress\r\npmzlibcodec";
/*
is a good starting point, but contains several errors/lack of information
The header size is 60 No 59
bytes 49->52 = ZlibCodec.Adler32
bytes 53->56 = decompresse stream size
bytes 57->60 = compressed stream size
Эти данные(байты) должны вычеслятся
*/
String s = sr.ReadToEnd();
//Byte[] ZlibCodec_Adler32 = { 157, 94, 173, 006 };
long decompresse_stream_size = fs.Length;
//тут считаем размер запакованных данных
byte[] compressed_stream_size;
using (var ms = new MemoryStream())
using (StreamReader sr = new StreamReader(fs, Encoding.Default)) /*Mod by Arie add encoding*/
{
using (ZlibStream deflateStream = new ZlibStream(ms, CompressionMode.Compress,
CompressionLevel.BestCompression, false))
// заголовок файла, без него автокад не работает
String pref_s = "PIAFILEVERSION_2.0,PC3VER1,compress\r\npmzlibcodec";
/*
is a good starting point, but contains several errors/lack of information
The header size is 60 No 59
bytes 49->52 = ZlibCodec.Adler32
bytes 53->56 = decompresse stream size
bytes 57->60 = compressed stream size
Эти данные(байты) должны вычеслятся
*/
String s = sr.ReadToEnd();
//Console.Write(s);
//Byte[] ZlibCodec_Adler32 = { 157, 94, 173, 006 };
long decompresse_stream_size = fs.Length;
//тут считаем размер запакованных данных
byte[] compressed_stream_size;
using (var ms = new MemoryStream())
{
deflateStream.Write(Encoding.Default.GetBytes(s), 0, Encoding.Default.GetBytes(s).Length);
using (ZlibStream deflateStream = new ZlibStream(ms, CompressionMode.Compress, CompressionLevel.BestCompression, false))
{
deflateStream.Write(Encoding.Default.GetBytes(s), 0, Encoding.Default.GetBytes(s).Length);
}
compressed_stream_size = ms.ToArray();
}
compressed_stream_size = ms.ToArray();
}

// Тут все пишем в файл
using (FileStream fs_out = File.Open(fileName + ".pc3", FileMode.Create, FileAccess.ReadWrite))
{
using (ZlibStream zs = new ZlibStream(fs_out, CompressionMode.Compress,
CompressionLevel.BestCompression, false))
// Тут все пишем в файл
using (FileStream fs_out = File.Open(fileName + ".pc3", FileMode.Create, FileAccess.ReadWrite))
{
fs_out.Write(Encoding.Default.GetBytes(pref_s), 0, Encoding.Default.GetBytes(pref_s).Length);
//fs_out.Write(ZlibCodec_Adler32, 0, 4);
fs_out.Write(BitConverter.GetBytes(new ZlibCodec(CompressionMode.Compress).Adler32), 0, 4);
fs_out.Write(BitConverter.GetBytes(decompresse_stream_size), 0, 4);
fs_out.Write(BitConverter.GetBytes(compressed_stream_size.Length), 0, 4);
zs.Write(Encoding.Default.GetBytes(s), 0, Encoding.Default.GetBytes(s).Length);
using (ZlibStream zs = new ZlibStream(fs_out, CompressionMode.Compress,
CompressionLevel.BestCompression, false))
{
fs_out.Write(Encoding.Default.GetBytes(pref_s), 0, Encoding.Default.GetBytes(pref_s).Length);
//fs_out.Write(ZlibCodec_Adler32, 0, 4);
fs_out.Write(BitConverter.GetBytes(new ZlibCodec(CompressionMode.Compress).Adler32), 0, 4);
fs_out.Write(BitConverter.GetBytes(decompresse_stream_size), 0, 4);
fs_out.Write(BitConverter.GetBytes(compressed_stream_size.Length), 0, 4);
zs.Write(Encoding.Default.GetBytes(s), 0, Encoding.Default.GetBytes(s).Length);
}
}
Console.WriteLine("\n File saved to {0}.pc3 ", fileName);
}
}
}
else
{
Console.Write("File {0} is not a .txt file", args[1]);
}
}
else
{
Console.Write("incorrect input\nFormat unzip_pc3 (AutoCAD zip/unzip .pc3 files) \n to extract: unzip_pc3 e xxx.pc3\n to Compress: unzip_pc3 c xxx.txt");
}
}
else
{
Console.Write("File {0} does not exist", args[1]);
}
}
}
else
{
Console.Write("incorrect input\nFormat unzip_pc3 (AutoCAD zip/unzip .pc3 files) \n to extract: unzip_pc3 e xxx.pc3\n to Compress: unzip_pc3 c xxx.txt");
}
}
}
}
Binary file modified unzip_pc3/bin/Debug/unzip_pc3.exe
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5 changes: 5 additions & 0 deletions unzip_pc3/packages.config
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@@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<packages>
<package id="ICSharpCode.SharpZipLib.dll" version="0.85.4.369" targetFramework="net45" />
<package id="Ionic.Zip" version="1.9.1.8" targetFramework="net45" />
</packages>
31 changes: 28 additions & 3 deletions unzip_pc3/unzip_pc3.csproj
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Expand Up @@ -11,6 +11,21 @@
<AssemblyName>unzip_pc3</AssemblyName>
<TargetFrameworkVersion>v4.5</TargetFrameworkVersion>
<FileAlignment>512</FileAlignment>
<IsWebBootstrapper>false</IsWebBootstrapper>
<PublishUrl>publish\</PublishUrl>
<Install>true</Install>
<InstallFrom>Disk</InstallFrom>
<UpdateEnabled>false</UpdateEnabled>
<UpdateMode>Foreground</UpdateMode>
<UpdateInterval>7</UpdateInterval>
<UpdateIntervalUnits>Days</UpdateIntervalUnits>
<UpdatePeriodically>false</UpdatePeriodically>
<UpdateRequired>false</UpdateRequired>
<MapFileExtensions>true</MapFileExtensions>
<ApplicationRevision>0</ApplicationRevision>
<ApplicationVersion>1.0.0.%2a</ApplicationVersion>
<UseApplicationTrust>false</UseApplicationTrust>
<BootstrapperEnabled>true</BootstrapperEnabled>
</PropertyGroup>
<PropertyGroup Condition=" '$(Configuration)|$(Platform)' == 'Debug|AnyCPU' ">
<PlatformTarget>AnyCPU</PlatformTarget>
Expand All @@ -32,8 +47,8 @@
<WarningLevel>4</WarningLevel>
</PropertyGroup>
<ItemGroup>
<Reference Include="Ionic.Zip">
<HintPath>..\..\..\..\..\3\Ionic.Zip.dll</HintPath>
<Reference Include="Ionic.Zip, Version=1.9.1.8, Culture=neutral, PublicKeyToken=edbe51ad942a3f5c, processorArchitecture=MSIL">
<HintPath>..\packages\Ionic.Zip.1.9.1.8\lib\Ionic.Zip.dll</HintPath>
</Reference>
<Reference Include="System" />
<Reference Include="System.Core" />
Expand All @@ -48,13 +63,23 @@
<Compile Include="Properties\AssemblyInfo.cs" />
</ItemGroup>
<ItemGroup>
<None Include="App.config" />
<None Include="App.config">
<SubType>Designer</SubType>
</None>
<None Include="bin\Debug\unzip_pc3.exe.config" />
<None Include="packages.config" />
</ItemGroup>
<ItemGroup>
<Content Include="bin\Debug\unzip_pc3.exe" />
<Content Include="bin\Debug\unzip_pc3.pdb" />
</ItemGroup>
<ItemGroup>
<BootstrapperPackage Include="Microsoft.Net.Framework.3.5.SP1">
<Visible>False</Visible>
<ProductName>.NET Framework 3.5 SP1</ProductName>
<Install>false</Install>
</BootstrapperPackage>
</ItemGroup>
<Import Project="$(MSBuildToolsPath)\Microsoft.CSharp.targets" />
<!-- To modify your build process, add your task inside one of the targets below and uncomment it.
Other similar extension points exist, see Microsoft.Common.targets.
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