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-rw-r--r--src/OSSupport/GZipFile.cpp96
1 files changed, 8 insertions, 88 deletions
diff --git a/src/OSSupport/GZipFile.cpp b/src/OSSupport/GZipFile.cpp
index e83d42583..0bf26dfed 100644
--- a/src/OSSupport/GZipFile.cpp
+++ b/src/OSSupport/GZipFile.cpp
@@ -4,107 +4,27 @@
// Implements the cGZipFile class representing a RAII wrapper over zlib's GZip file routines
#include "Globals.h"
+#include "File.h"
#include "GZipFile.h"
-cGZipFile::cGZipFile(void) :
- m_File(nullptr), m_Mode(fmRead)
+Compression::Result GZipFile::ReadRestOfFile(const std::string & a_FileName)
{
-}
-
-
-
-
-
-cGZipFile::~cGZipFile()
-{
- Close();
-}
-
+ InputFileStream File(a_FileName, InputFileStream::binary);
+ const std::string Input{ std::istreambuf_iterator<char>(File), std::istreambuf_iterator<char>() };
+ const ContiguousByteBufferView Data{ reinterpret_cast<const std::byte *>(Input.data()), Input.size() };
-
-
-
-bool cGZipFile::Open(const AString & a_FileName, eMode a_Mode)
-{
- if (m_File != nullptr)
- {
- ASSERT(!"A file is already open in this object");
- return false;
- }
- m_File = gzopen(a_FileName.c_str(), (a_Mode == fmRead) ? "r" : "w");
- m_Mode = a_Mode;
- return (m_File != nullptr);
+ return Compression::Extractor().ExtractGZip(Data);
}
-void cGZipFile::Close(void)
+void GZipFile::Write(const std::string & a_FileName, ContiguousByteBufferView a_Contents)
{
- if (m_File != nullptr)
- {
- gzclose(m_File);
- m_File = nullptr;
- }
+ OutputFileStream(a_FileName, OutputFileStream::binary) << Compression::Compressor().CompressGZip(a_Contents).GetStringView();
}
-
-
-
-
-
-int cGZipFile::ReadRestOfFile(AString & a_Contents)
-{
- if (m_File == nullptr)
- {
- ASSERT(!"No file has been opened");
- return -1;
- }
-
- if (m_Mode != fmRead)
- {
- ASSERT(!"Bad file mode, cannot read");
- return -1;
- }
-
- // Since the gzip format doesn't really support getting the uncompressed length, we need to read incrementally. Yuck!
- int NumBytesRead = 0;
- int TotalBytes = 0;
- char Buffer[64 KiB];
- while ((NumBytesRead = gzread(m_File, Buffer, sizeof(Buffer))) > 0)
- {
- TotalBytes += NumBytesRead;
- a_Contents.append(Buffer, static_cast<size_t>(NumBytesRead));
- }
- // NumBytesRead is < 0 on error
- return (NumBytesRead >= 0) ? TotalBytes : NumBytesRead;
-}
-
-
-
-
-
-bool cGZipFile::Write(const char * a_Contents, int a_Size)
-{
- if (m_File == nullptr)
- {
- ASSERT(!"No file has been opened");
- return false;
- }
-
- if (m_Mode != fmWrite)
- {
- ASSERT(!"Bad file mode, cannot write");
- return false;
- }
-
- return (gzwrite(m_File, a_Contents, static_cast<unsigned int>(a_Size)) != 0);
-}
-
-
-
-