TZipIn::TZipIn(const TStr& FNm) : TSBase(), TSIn(), ZipStdoutRd(NULL), ZipStdoutWr(NULL), SNm(FNm.CStr()),
FLen(0), CurFPos(0), Bf(NULL), BfC(0), BfL(0) {
EAssertR(! FNm.Empty(), "Empty file-name.");
EAssertR(TFile::Exists(FNm), TStr::Fmt("File %s does not exist", FNm.CStr()).CStr());
FLen = 0;
// non-zip files not supported, need uncompressed file length information
// TODO: find the correct set of supported extensions
//if (FNm.GetFExt() != ".zip" && FNm.GetFExt() != ".gz") {
// printf("*** Error: file %s, compression format %s not supported\n", FNm.CStr(), FNm.GetFExt().CStr());
// EFailR(TStr::Fmt("File %s: compression format %s not supported", FNm.CStr(), FNm.GetFExt().CStr()).CStr());
//}
FLen = TZipIn::GetFLen(FNm);
// return for malformed files
if (FLen == 0) { return; } // empty file
#ifdef GLib_WIN
// create pipes
SECURITY_ATTRIBUTES saAttr;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
saAttr.bInheritHandle = TRUE;
saAttr.lpSecurityDescriptor = NULL;
// Create a pipe for the child process's STDOUT.
const int PipeBufferSz = 32*1024;
EAssertR(CreatePipe(&ZipStdoutRd, &ZipStdoutWr, &saAttr, PipeBufferSz), "Stdout pipe creation failed");
// Ensure the read handle to the pipe for STDOUT is not inherited.
SetHandleInformation(ZipStdoutRd, HANDLE_FLAG_INHERIT, 0);
#else
// no implementation needed
#endif
CreateZipProcess(GetCmd(FNm), FNm);
Bf = new char[MxBfL]; BfC = BfL=-1;
FillBf();
}
TZipOut::TZipOut(const TStr& FNm) : TSBase(), TSOut(), ZipStdinRd(NULL), ZipStdinWr(NULL), SNm(FNm.CStr()), Bf(NULL), BfL(0){
EAssertR(! FNm.Empty(), "Empty file-name.");
#ifdef GLib_WIN
// create pipes
SECURITY_ATTRIBUTES saAttr;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
saAttr.bInheritHandle = TRUE;
saAttr.lpSecurityDescriptor = NULL;
// Create a pipe for the child process's STDOUT.
EAssertR(CreatePipe(&ZipStdinRd, &ZipStdinWr, &saAttr, 0), "Stdout pipe creation failed");
// Ensure the read handle to the pipe for STDOUT is not inherited.
SetHandleInformation(ZipStdinWr, HANDLE_FLAG_INHERIT, 0);
#else
// no implementation necessary
#endif
CreateZipProcess(GetCmd(FNm), FNm);
Bf=new char[MxBfL]; BfL=0;
}
TZipIn::TZipIn(const TStr& FNm, bool& OpenedP) : TSBase(), TSIn(), ZipStdoutRd(NULL), ZipStdoutWr(NULL), SNm(FNm.CStr()),
FLen(0), CurFPos(0), Bf(NULL), BfC(0), BfL(0) {
EAssertR(! FNm.Empty(), "Empty file-name.");
FLen = TZipIn::GetFLen(FNm);
OpenedP = TFile::Exists(FNm);
if (OpenedP) {
#ifdef GLib_WIN
SECURITY_ATTRIBUTES saAttr;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
saAttr.bInheritHandle = TRUE;
saAttr.lpSecurityDescriptor = NULL;
// Create a pipe for the child process's STDOUT.
EAssertR(CreatePipe(&ZipStdoutRd, &ZipStdoutWr, &saAttr, 0), "Stdout pipe creation failed");
// Ensure the read handle to the pipe for STDOUT is not inherited.
SetHandleInformation(ZipStdoutRd, HANDLE_FLAG_INHERIT, 0);
#else
// no implementation needed
#endif
CreateZipProcess(GetCmd(FNm.GetFExt()), FNm);
Bf = new char[MxBfL]; BfC = BfL=-1;
FillBf();
}
}
TZipIn::TZipIn(const TStr& FNm) : TSBase(FNm.CStr()), TSIn(FNm), ZipStdoutRd(NULL), ZipStdoutWr(NULL),
FLen(0), CurFPos(0), Bf(NULL), BfC(0), BfL(0) {
EAssertR(! FNm.Empty(), "Empty file-name.");
EAssertR(TFile::Exists(FNm), TStr::Fmt("File %s does not exist", FNm.CStr()).CStr());
FLen = TZipIn::GetFLen(FNm);
if (FLen == 0) { return; } // empty file
#ifdef GLib_WIN
// create pipes
SECURITY_ATTRIBUTES saAttr;
saAttr.nLength = sizeof(SECURITY_ATTRIBUTES);
saAttr.bInheritHandle = TRUE;
saAttr.lpSecurityDescriptor = NULL;
// Create a pipe for the child process's STDOUT.
const int PipeBufferSz = 32*1024;
EAssertR(CreatePipe(&ZipStdoutRd, &ZipStdoutWr, &saAttr, PipeBufferSz), "Stdout pipe creation failed");
// Ensure the read handle to the pipe for STDOUT is not inherited.
SetHandleInformation(ZipStdoutRd, HANDLE_FLAG_INHERIT, 0);
#else
// no implementation needed
#endif
CreateZipProcess(GetCmd(FNm), FNm);
Bf = new char[MxBfL]; BfC = BfL=-1;
FillBf();
}
