Patch level : a2.2
Files correlati : xvaga.dll Ricompilazione Demo : [ ] Commento : Aggiornato supporto veri file .zip! git-svn-id: svn://10.65.10.50/trunk@13941 c028cbd2-c16b-5b4b-a496-9718f37d4682
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xvaga/agasys.cpp
202
xvaga/agasys.cpp
@ -16,81 +16,14 @@
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#include <wx/dir.h>
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#include <wx/wfstream.h>
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#include <wx/zipstrm.h>
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#pragma pack(2)
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struct ZipLocalFileHeader
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{
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unsigned short nVersionNeeded;
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unsigned short nFlags;
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unsigned short nMethod;
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unsigned short nLastModTime;
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unsigned short nLastModDate;
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unsigned long dwCRC;
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unsigned long dwCompressedSize;
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unsigned long dwUncompressedSize;
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unsigned short nNameLength;
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unsigned short nExtraLength;
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};
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struct ZipDirectoryFileHeader
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{
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unsigned short nVersionUsed;
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ZipLocalFileHeader zlfh;
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unsigned short nCommentLength;
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unsigned short nStartDisk;
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unsigned short nInternalAttr;
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unsigned long nExternalAttr;
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unsigned long nLocalHeaderOffset;
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};
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struct ZipDirectoryEnd
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{
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unsigned short nThisDisk;
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unsigned short nStartDisk;
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unsigned short nDiskEntries;
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unsigned short nTotalEntries;
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unsigned long nSize;
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unsigned long nStartOffset;
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unsigned short nCommentLength;
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};
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#pragma pack()
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#include <wx/progdlg.h>
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unsigned int aga_ziplist(const char* zipfile, wxArrayString& aFiles)
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{
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const unsigned long dwDirectorySignature = 0x02014B50;
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const unsigned long dwEndDirectorySignature = 0x06054B50;
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wxFileInputStream fin(zipfile);
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const off_t off = sizeof(ZipDirectoryEnd)+sizeof(dwEndDirectorySignature);
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fin.SeekI(-off, wxFromEnd);
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unsigned long dwSignature = 0;
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fin.Read(&dwSignature, sizeof(dwSignature));
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if (dwSignature != dwEndDirectorySignature)
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return 0;
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ZipDirectoryEnd zde;
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fin.Read(&zde, sizeof(zde));
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if (zde.nThisDisk < zde.nStartDisk || zde.nDiskEntries == 0 || zde.nSize == 0)
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return 0;
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fin.SeekI(zde.nStartOffset, wxFromStart);
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for (unsigned int f = 0; f < zde.nDiskEntries; f++)
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{
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fin.Read(&dwSignature, sizeof(dwSignature));
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if (dwSignature != dwDirectorySignature)
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break;
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ZipDirectoryFileHeader zdfh; memset(&zdfh, 0, sizeof(zdfh));
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fin.Read(&zdfh, sizeof(zdfh));
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char name[_MAX_PATH]; memset(name, 0, sizeof(name));
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fin.Read(name, zdfh.zlfh.nNameLength);
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aFiles.Add(name);
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}
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wxFFileInputStream fin(zipfile);
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wxZipInputStream zip(fin);
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for (wxZipEntry* z = zip.GetNextEntry(); z; z = zip.GetNextEntry())
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aFiles.Add(z->GetInternalName());
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return aFiles.GetCount();
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}
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@ -121,9 +54,15 @@ bool aga_unzip(const char* zipfile, const char* destdir)
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{
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wxArrayString aFiles;
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const unsigned int files = aga_ziplist(zipfile, aFiles);
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wxProgressDialog pi("Unzip", "", files, NULL, wxPD_AUTO_HIDE | wxPD_APP_MODAL | wxPD_CAN_ABORT);
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for (unsigned int f = 0; f < files; f++)
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{
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const wxString& strFileName = aFiles[f];
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if (!pi.Update(f, strFileName))
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break;
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if (wxEndsWithPathSeparator(strFileName)) // Is dir name
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{
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wxString strOutDir = destdir;
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@ -157,23 +96,6 @@ bool aga_unzip(const char* zipfile, const char* destdir)
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// Zip support
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///////////////////////////////////////////////////////////
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#include <wx/zstream.h>
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#include <../src/zlib/zlib.h>
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class AgaZlibOutputStream : public wxZlibOutputStream
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{
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enum { AGA_COMPRESSION_LEVEL = 9 };
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public:
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AgaZlibOutputStream(wxOutputStream& stream);
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};
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// Ricordarsi di taroccare il sorgente della deflateInit in zlib
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AgaZlibOutputStream::AgaZlibOutputStream(wxOutputStream& stream)
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: wxZlibOutputStream(stream, AGA_COMPRESSION_LEVEL)
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{ }
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static size_t AddFilesToList(const wxString& strBase, const wxString& strMask, wxArrayString& aFiles)
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{
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const size_t n = wxDir::GetAllFiles(strBase, &aFiles, strMask);
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@ -181,7 +103,7 @@ static size_t AddFilesToList(const wxString& strBase, const wxString& strMask, w
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}
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static void AddFileToZip(const wxString& strPrefix, const wxString& strFile,
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wxFileOutputStream& fout, wxFileOutputStream& fdir)
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wxZipOutputStream& zip)
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{
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if (!wxFileExists(strFile))
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return;
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@ -197,99 +119,27 @@ static void AddFileToZip(const wxString& strPrefix, const wxString& strFile,
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strRelName += '.';
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strRelName += strExt;
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const off_t nStartPos = fout.TellO(); // Memorizzo posizione
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const unsigned long dwLocalSignature = 0x04034B50;
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fout.Write(&dwLocalSignature, sizeof(dwLocalSignature)); // Scrivo PK34
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ZipLocalFileHeader zlfh; memset(&zlfh, 0, sizeof(zlfh));
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zlfh.nVersionNeeded = 20; // You need at least pkunzip 2.0
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zlfh.nFlags = 0x0002; // Deep Hacking ???
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zlfh.nMethod = 8; // Implode
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zlfh.nNameLength = strRelName.Length();
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fout.Write(&zlfh, sizeof(zlfh)); // Scrivo header azzerato
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fout.Write((const char*)strRelName, zlfh.nNameLength); // Scrivo nome file
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const off_t nDataStart = fout.TellO(); // Memorizzo posizione dati compressi
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const int nMagicOffset = -4; // Deep hacking :-)
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{
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wxFileInputStream fin(strFile);
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AgaZlibOutputStream zout(fout);
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zout.Write(fin); // Scrivo file compresso
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zlfh.dwUncompressedSize = fin.TellI();
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}
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fout.SeekO(nMagicOffset, wxFromEnd);
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zlfh.dwCompressedSize = fout.TellO();
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zlfh.dwCompressedSize -= nDataStart;
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zlfh.dwCRC = ComputeFileCRC32(strFile);
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const time_t tMod = ::wxFileModificationTime(strFile);
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const struct tm* t = localtime(&tMod);
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if (t != NULL)
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{
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zlfh.nLastModDate = t->tm_mday + ((t->tm_mon+1) << 5) + ((t->tm_year-80) << 9);
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zlfh.nLastModTime = t->tm_sec/2 + (t->tm_min << 5) + (t->tm_hour << 11);
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}
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fout.SeekO(nStartPos+sizeof(dwLocalSignature), wxFromStart);
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fout.Write(&zlfh, sizeof(zlfh));
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// fout.Write((const char*)strRelName, strRelName.Length());
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// Deep Hacking Here!
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// const wxByte pkHeader = 0x85;
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// fout.Write(&pkHeader, 1);
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fout.SeekO(nMagicOffset, wxFromEnd);
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ZipDirectoryFileHeader zdfh; memset(&zdfh, 0, sizeof(zdfh));
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zdfh.nVersionUsed = zlfh.nVersionNeeded;
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memcpy(&zdfh.zlfh, &zlfh, sizeof(zlfh));
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zdfh.nLocalHeaderOffset = nStartPos;
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const unsigned long dwDirectorySignature = 0x02014B50; // Scrivo PK12
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fdir.Write(&dwDirectorySignature, sizeof(dwDirectorySignature));
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fdir.Write(&zdfh, sizeof(zdfh)); // Scrivo entry directory
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fdir.Write((const char*)strRelName, strRelName.Length());
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zip.PutNextEntry(strRelName);
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wxFileInputStream fin(strFile);
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zip.Write(fin); // Scrivo file compresso
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}
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static bool AddFilesToZip(const wxString& strBase, wxArrayString& aFiles, const char* zipfile)
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{
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const char* zipdir = "zipdir.tmp";
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wxFFileOutputStream out(zipfile);
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wxZipOutputStream zip(out);
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wxFileOutputStream fout(zipfile);
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const size_t nFiles = aFiles.GetCount();
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wxProgressDialog pi("Zip", "", nFiles, NULL, wxPD_AUTO_HIDE | wxPD_APP_MODAL | wxPD_CAN_ABORT);
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off_t nDirSize = 0, nDirStart = 0;
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if (aFiles.GetCount() > 0) // Dummy test
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{
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wxFileOutputStream fdir(zipdir);
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for (size_t i = 0; i < aFiles.GetCount(); i++)
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AddFileToZip(strBase, aFiles[i], fout, fdir);
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nDirSize = fdir.TellO();
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nDirStart = fout.TellO();
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for (size_t i = 0; i < nFiles; i++)
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{
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const wxString& str = aFiles[i];
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if (!pi.Update(i, str))
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break;
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AddFileToZip(strBase, str, zip);
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}
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if (nDirSize > 0)
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{
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wxFileInputStream fdir(zipdir);
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fout.Write(fdir); // Append central directory
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ZipDirectoryEnd zde; memset(&zde, 0, sizeof(zde));
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zde.nDiskEntries = zde.nTotalEntries = aFiles.GetCount();
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zde.nSize = nDirSize;
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zde.nStartOffset = nDirStart;
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const unsigned long dwEndDirectorySignature = 0x06054B50;
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fout.Write(&dwEndDirectorySignature, sizeof(dwEndDirectorySignature));
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fout.Write(&zde, sizeof(zde));
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}
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if (nDirSize > 0)
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wxRemoveFile(zipdir);
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return (nDirSize > 0 || aFiles.GetCount() == 0);
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return true;
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}
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bool aga_zip(const char* srcfiles, const char* zipfile)
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@ -797,7 +797,7 @@ void TwxWindow::OnChar(wxKeyEvent& event)
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case WXK_NUMPAD9:
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event.Skip();
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return;
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case WXK_NUMPAD_DECIMAL: // ??? Non arriva mai
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case WXK_NUMPAD_DECIMAL: // Arriva solo dalla 3.6.3 in poi
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case WXK_DECIMAL: // ??? Arriva sia '.' sia WXK_DECIMAL=340
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if (nSkipNextDotKey == 0)
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{
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