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[FileTools] More fiddling with Tzip

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This commit is contained in:
Matt Nadareski
2016-09-15 21:25:58 -07:00
parent 6bd7162d00
commit 444fc1696b
3 changed files with 129 additions and 113 deletions
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47
SabreTools.Helper/Tools/FileTools.cs
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@@ -117,6 +117,7 @@ namespace SabreTools.Helper
// Set internal variables
Stream readStream = null;
Stream writeStream = null;
ZipFile oldZipFile = new ZipFile();
ZipFile zipFile = new ZipFile();
ZipReturn zipReturn = ZipReturn.ZipGood;
@@ -135,27 +136,35 @@ namespace SabreTools.Helper
// Open or create the archive
if (!File.Exists(archiveFileName))
{
zipReturn = zipFile.Create(archiveFileName);
zipReturn = zipFile.Create(archiveFileName + ".new");
}
else
{
zipReturn = zipFile.Open(archiveFileName, new FileInfo(archiveFileName).LastWriteTime.Ticks, false);
zipFile.ZipOpen = ZipOpenType.OpenWrite;
}
if (zipReturn != ZipReturn.ZipGood)
{
zipFile.Dispose();
return success;
// Open the old archive for reading
oldZipFile.Open(archiveFileName, new FileInfo(archiveFileName).LastWriteTime.Ticks, false);
zipFile.Create(archiveFileName + ".new");
// Copy over all files to the new archive
for (int i = 0; i < oldZipFile.EntriesCount; i++)
{
// Instantiate the streams
CompressionMethod icompressionMethod = CompressionMethod.Stored;
ulong istreamSize = 0;
oldZipFile.OpenReadStream(i, true, out readStream, out istreamSize, out icompressionMethod);
zipFile.OpenWriteStream(true, true, oldZipFile.Filename(i), streamSize, CompressionMethod.Deflated, out writeStream);
// Copy the input stream to the output
byte[] ibuffer = new byte[8 * 1024];
int ilen;
while ((ilen = readStream.Read(ibuffer, 0, ibuffer.Length)) > 0)
{
writeStream.Write(ibuffer, 0, ilen);
}
}
}
// Open the stream for writing
// Now open the write stream for the new rom
zipReturn = zipFile.OpenWriteStream(false, true, rom.Name, streamSize, CompressionMethod.Deflated, out writeStream);
if (zipReturn != ZipReturn.ZipGood)
{
zipFile.Dispose();
return success;
}
// Copy the input stream to the output
byte[] buffer = new byte[8 * 1024];
@@ -186,8 +195,16 @@ namespace SabreTools.Helper
finally
{
zipFile.Dispose();
oldZipFile.Dispose();
}
// If the old file exists, delete it and replace
if (File.Exists(archiveFileName))
{
File.Delete(archiveFileName);
}
File.Move(archiveFileName + ".new", archiveFileName);
return success;
}