public byte[] GetFileByte(string archiveFile, string fileName)
{
IntPtr hmod = LoadDll(archiveFile);
IntPtr funcAddr;
int ret;
try
{
//open
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaOpenArchive");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaOpenArchiveの処理に失敗しました。");
}
UnlhaAPI.OpenArchiveDelegate openArchive =
(UnlhaAPI.OpenArchiveDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.OpenArchiveDelegate));
IntPtr harc = openArchive(IntPtr.Zero, archiveFile, 0);
Tuple <string, UInt64> item;
try
{
//findFirst
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaFindFirst");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaFindFirstの処理に失敗しました。");
}
UnlhaAPI.FindFirstDelegate findFirst =
(UnlhaAPI.FindFirstDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.FindFirstDelegate));
ret = findFirst(harc, fileName, IntPtr.Zero);
//UnlhaGetFileName
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaGetFileName");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaGetFileNameの処理に失敗しました。");
}
UnlhaAPI.GetFileNameDelegate getFileName =
(UnlhaAPI.GetFileNameDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.GetFileNameDelegate));
StringBuilder fn = new StringBuilder(1024);
ret = getFileName(harc, fn, 1024);
//UnlhaGetOriginalSizeEx
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaGetOriginalSizeEx");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaGetOriginalSizeExの処理に失敗しました。");
}
UnlhaAPI.GetOriginalSizeExDelegate getOriginalSizeEx =
(UnlhaAPI.GetOriginalSizeExDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.GetOriginalSizeExDelegate));
UInt64 size = 0;
bool res = getOriginalSizeEx(harc, ref size);
item = new Tuple <string, ulong>(fn.ToString(), size);
}
catch
{
throw;
}
finally
{
//close
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaCloseArchive");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaCloseArchiveの処理に失敗しました。");
}
UnlhaAPI.CloseArchiveDelegate closeArchive =
(UnlhaAPI.CloseArchiveDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.CloseArchiveDelegate));
closeArchive(harc);
}
//展開する
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaExtractMem");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaExtractMemの処理に失敗しました。");
}
UnlhaAPI.ExtractMemDelegate extractMem =
(UnlhaAPI.ExtractMemDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.ExtractMemDelegate));
byte[] buf = new byte[item.Item2];
ret = extractMem(IntPtr.Zero,
//string.Format(command, archiveFile, baseDir),
string.Format("-l1 -n1 {0} c: {1}", archiveFile, fileName),
buf,
(uint)buf.Length,
IntPtr.Zero, IntPtr.Zero, IntPtr.Zero);
return(buf);
}
catch
{
throw;
}
finally
{
UnlhaAPI.FreeLibrary(hmod);
}
}
public List <Tuple <string, UInt64> > GetFileList(string archiveFile, string wildCard)
{
IntPtr hmod = LoadDll(archiveFile);
IntPtr funcAddr;
try
{
//open
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaOpenArchive");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaOpenArchiveの処理に失敗しました。");
}
UnlhaAPI.OpenArchiveDelegate openArchive =
(UnlhaAPI.OpenArchiveDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.OpenArchiveDelegate));
IntPtr harc = openArchive(IntPtr.Zero, archiveFile, 0);
try
{
//findFirst
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaFindFirst");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaFindFirstの処理に失敗しました。");
}
UnlhaAPI.FindFirstDelegate findFirst =
(UnlhaAPI.FindFirstDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.FindFirstDelegate));
int ret = findFirst(harc, wildCard, IntPtr.Zero);
List <Tuple <string, UInt64> > result = new List <Tuple <string, ulong> >();
do
{
//UnlhaGetFileName
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaGetFileName");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaGetFileNameの処理に失敗しました。");
}
UnlhaAPI.GetFileNameDelegate getFileName =
(UnlhaAPI.GetFileNameDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.GetFileNameDelegate));
StringBuilder fn = new StringBuilder(1024);
ret = getFileName(harc, fn, 1024);
//UnlhaGetOriginalSizeEx
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaGetOriginalSizeEx");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaGetOriginalSizeExの処理に失敗しました。");
}
UnlhaAPI.GetOriginalSizeExDelegate getOriginalSizeEx =
(UnlhaAPI.GetOriginalSizeExDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.GetOriginalSizeExDelegate));
UInt64 size = 0;
bool res = getOriginalSizeEx(harc, ref size);
Tuple <string, UInt64> item = new Tuple <string, ulong>(fn.ToString(), size);
result.Add(item);
//nextFirst
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaFindNext");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaFindNextの処理に失敗しました。");
}
UnlhaAPI.FindNextDelegate findNext =
(UnlhaAPI.FindNextDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.FindNextDelegate));
ret = findNext(harc, IntPtr.Zero);
} while (ret == 0);
return(result);
}
catch
{
throw;
}
finally
{
//close
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaCloseArchive");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException(
"UnlhaCloseArchiveの処理に失敗しました。");
}
UnlhaAPI.CloseArchiveDelegate closeArchive =
(UnlhaAPI.CloseArchiveDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.CloseArchiveDelegate));
closeArchive(harc);
}
}
catch
{
throw;
}
finally
{
UnlhaAPI.FreeLibrary(hmod);
}
}
private IntPtr LoadDll(string archiveFile)
{
//DLLの存在を確認
IntPtr pathPtr;
if (UnlhaAPI.SearchPath(null, dllName, null, 0, null, out pathPtr) == 0)
{
throw new ApplicationException("unlha32.dllが見つかりません。");
}
//DLLをロード
IntPtr hmod = UnlhaAPI.LoadLibrary(dllName);
if (hmod == IntPtr.Zero)
{
throw new Win32Exception(Marshal.GetLastWin32Error());
}
try
{
IntPtr funcAddr;
//DLLのチェック
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaGetVersion");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException("unlha32.dllがインストールされていません。");
}
UnlhaAPI.GetVersionDelegate getVersion =
(UnlhaAPI.GetVersionDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.GetVersionDelegate));
ushort ver = getVersion();
if (ver < 300)
{
throw new ApplicationException(string.Format("unlha32.dllはバージョン3.00を要求。Ver{0:0.00}", ver / 100f));
}
//動作中かチェック
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaGetRunning");
if (funcAddr != IntPtr.Zero)
{
UnlhaAPI.GetRunningDelegate getRunning =
(UnlhaAPI.GetRunningDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.GetRunningDelegate));
if (getRunning())
{
throw new ApplicationException("unlha32.dllが現在動作中です。");
}
}
//展開できるかチェック
funcAddr = UnlhaAPI.GetProcAddress(hmod, "UnlhaCheckArchive");
if (funcAddr == IntPtr.Zero)
{
throw new ApplicationException("UnlhaCheckArchiveのアドレスを取得できませんでした。");
}
UnlhaAPI.CheckArchiveDelegate checkArchive =
(UnlhaAPI.CheckArchiveDelegate)Marshal.GetDelegateForFunctionPointer(
funcAddr, typeof(UnlhaAPI.CheckArchiveDelegate));
if (!checkArchive(archiveFile, 0))
{
throw new ApplicationException("unlha32.dllでは展開できません。");
}
}
catch
{
//開放する
UnlhaAPI.FreeLibrary(hmod);
throw;
}
return(hmod);
}
