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Move DiscIO::ConvertToPlain to FileBlob.cpp

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There is no longer anything GCZ specific about it.
This commit is contained in:
JosJuice 2020-04-04 21:47:28 +02:00
parent 8a9597e32e
commit 42f6913bcc
2 changed files with 84 additions and 79 deletions
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79
Source/Core/DiscIO/CompressedBlob.cpp
View File

@ -336,85 +336,6 @@ bool ConvertToGCZ(const std::string& infile_path, const std::string& outfile_pat
return success;
}
bool ConvertToPlain(const std::string& infile_path, const std::string& outfile_path,
CompressCB callback, void* arg)
{
std::unique_ptr<BlobReader> reader = CreateBlobReader(infile_path);
if (!reader)
{
PanicAlertT("Failed to open the input file \"%s\".", infile_path.c_str());
return false;
}
ASSERT(reader->IsDataSizeAccurate());
File::IOFile outfile(outfile_path, "wb");
if (!outfile)
{
PanicAlertT("Failed to open the output file \"%s\".\n"
"Check that you have permissions to write the target folder and that the media can "
"be written.",
outfile_path.c_str());
return false;
}
constexpr size_t DESIRED_BUFFER_SIZE = 0x80000;
u64 buffer_size = reader->GetBlockSize();
if (buffer_size == 0)
{
buffer_size = DESIRED_BUFFER_SIZE;
}
else
{
while (buffer_size < DESIRED_BUFFER_SIZE)
buffer_size *= 2;
}
std::vector<u8> buffer(buffer_size);
const u64 num_buffers = (reader->GetDataSize() + buffer_size - 1) / buffer_size;
int progress_monitor = std::max<int>(1, num_buffers / 100);
bool success = true;
for (u64 i = 0; i < num_buffers; i++)
{
if (i % progress_monitor == 0)
{
const bool was_cancelled =
!callback(Common::GetStringT("Unpacking"), (float)i / (float)num_buffers, arg);
if (was_cancelled)
{
success = false;
break;
}
}
const u64 inpos = i * buffer_size;
const u64 sz = std::min(buffer_size, reader->GetDataSize() - inpos);
if (!reader->Read(inpos, sz, buffer.data()))
{
PanicAlertT("Failed to read from the input file \"%s\".", infile_path.c_str());
success = false;
break;
}
if (!outfile.WriteBytes(buffer.data(), sz))
{
PanicAlertT("Failed to write the output file \"%s\".\n"
"Check that you have enough space available on the target drive.",
outfile_path.c_str());
success = false;
break;
}
}
if (!success)
{
// Remove the incomplete output file.
outfile.Close();
File::Delete(outfile_path);
}
return success;
}
bool IsGCZBlob(File::IOFile& file)
{
const u64 position = file.Tell();

84
Source/Core/DiscIO/FileBlob.cpp
View File

@ -2,10 +2,15 @@
// Licensed under GPLv2+
// Refer to the license.txt file included.
#include <algorithm>
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "Common/Assert.h"
#include "Common/FileUtil.h"
#include "Common/MsgHandler.h"
#include "DiscIO/FileBlob.h"
namespace DiscIO
@ -36,4 +41,83 @@ bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr)
}
}
bool ConvertToPlain(const std::string& infile_path, const std::string& outfile_path,
CompressCB callback, void* arg)
{
std::unique_ptr<BlobReader> reader = CreateBlobReader(infile_path);
if (!reader)
{
PanicAlertT("Failed to open the input file \"%s\".", infile_path.c_str());
return false;
}
ASSERT(reader->IsDataSizeAccurate());
File::IOFile outfile(outfile_path, "wb");
if (!outfile)
{
PanicAlertT("Failed to open the output file \"%s\".\n"
"Check that you have permissions to write the target folder and that the media can "
"be written.",
outfile_path.c_str());
return false;
}
constexpr size_t DESIRED_BUFFER_SIZE = 0x80000;
u64 buffer_size = reader->GetBlockSize();
if (buffer_size == 0)
{
buffer_size = DESIRED_BUFFER_SIZE;
}
else
{
while (buffer_size < DESIRED_BUFFER_SIZE)
buffer_size *= 2;
}
std::vector<u8> buffer(buffer_size);
const u64 num_buffers = (reader->GetDataSize() + buffer_size - 1) / buffer_size;
int progress_monitor = std::max<int>(1, num_buffers / 100);
bool success = true;
for (u64 i = 0; i < num_buffers; i++)
{
if (i % progress_monitor == 0)
{
const bool was_cancelled =
!callback(Common::GetStringT("Unpacking"), (float)i / (float)num_buffers, arg);
if (was_cancelled)
{
success = false;
break;
}
}
const u64 inpos = i * buffer_size;
const u64 sz = std::min(buffer_size, reader->GetDataSize() - inpos);
if (!reader->Read(inpos, sz, buffer.data()))
{
PanicAlertT("Failed to read from the input file \"%s\".", infile_path.c_str());
success = false;
break;
}
if (!outfile.WriteBytes(buffer.data(), sz))
{
PanicAlertT("Failed to write the output file \"%s\".\n"
"Check that you have enough space available on the target drive.",
outfile_path.c_str());
success = false;
break;
}
}
if (!success)
{
// Remove the incomplete output file.
outfile.Close();
File::Delete(outfile_path);
}
return success;
}
} // namespace DiscIO