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9a01c3fb9f
We want to use positional arguments in translatable strings that have more than one argument so that translators can change the order of them, but the question is: Should we also use positional arguments in translatable strings with only one argument? I think it makes most sense that way, partially so that translators don't even have to be aware of the non-positional syntax and partially because "translatable strings use positional arguments" is an easier rule for us to remember than "transitional strings which have more than one argument use positional arguments". But let me know if you have a different opinion.
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
// Copyright 2008 Dolphin Emulator Project
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <memory>
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#include <string>
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#include <utility>
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#include <vector>
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#include "Common/Assert.h"
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#include "Common/FileUtil.h"
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#include "Common/MsgHandler.h"
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#include "DiscIO/FileBlob.h"
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namespace DiscIO
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{
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PlainFileReader::PlainFileReader(File::IOFile file) : m_file(std::move(file))
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{
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m_size = m_file.GetSize();
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}
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std::unique_ptr<PlainFileReader> PlainFileReader::Create(File::IOFile file)
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{
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if (file)
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return std::unique_ptr<PlainFileReader>(new PlainFileReader(std::move(file)));
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return nullptr;
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}
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bool PlainFileReader::Read(u64 offset, u64 nbytes, u8* out_ptr)
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{
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if (m_file.Seek(offset, SEEK_SET) && m_file.ReadBytes(out_ptr, nbytes))
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{
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return true;
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}
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else
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{
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m_file.Clear();
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return false;
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}
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}
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bool ConvertToPlain(BlobReader* infile, const std::string& infile_path,
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const std::string& outfile_path, CompressCB callback)
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{
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ASSERT(infile->IsDataSizeAccurate());
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File::IOFile outfile(outfile_path, "wb");
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if (!outfile)
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{
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PanicAlertFmtT(
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"Failed to open the output file \"{0}\".\n"
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"Check that you have permissions to write the target folder and that the media can "
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"be written.",
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outfile_path);
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return false;
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}
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constexpr size_t DESIRED_BUFFER_SIZE = 0x80000;
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u64 buffer_size = infile->GetBlockSize();
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if (buffer_size == 0)
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{
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buffer_size = DESIRED_BUFFER_SIZE;
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}
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else
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{
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while (buffer_size < DESIRED_BUFFER_SIZE)
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buffer_size *= 2;
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}
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std::vector<u8> buffer(buffer_size);
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const u64 num_buffers = (infile->GetDataSize() + buffer_size - 1) / buffer_size;
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int progress_monitor = std::max<int>(1, num_buffers / 100);
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bool success = true;
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for (u64 i = 0; i < num_buffers; i++)
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{
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if (i % progress_monitor == 0)
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{
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const bool was_cancelled =
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!callback(Common::GetStringT("Unpacking"), (float)i / (float)num_buffers);
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if (was_cancelled)
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{
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success = false;
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break;
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}
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}
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const u64 inpos = i * buffer_size;
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const u64 sz = std::min(buffer_size, infile->GetDataSize() - inpos);
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if (!infile->Read(inpos, sz, buffer.data()))
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{
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PanicAlertFmtT("Failed to read from the input file \"{0}\".", infile_path);
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success = false;
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break;
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}
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if (!outfile.WriteBytes(buffer.data(), sz))
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{
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PanicAlertFmtT("Failed to write the output file \"{0}\".\n"
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"Check that you have enough space available on the target drive.",
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outfile_path);
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success = false;
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break;
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}
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}
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if (!success)
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{
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// Remove the incomplete output file.
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outfile.Close();
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File::Delete(outfile_path);
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}
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return success;
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}
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} // namespace DiscIO
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