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Add util functions to CTRTool

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This commit is contained in:
Jakcron
2022-06-11 13:17:33 +08:00
parent 92a4b5f595
commit 70bae3da93
4 changed files with 75 additions and 0 deletions
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ctrtool/src/util.cpp
+52
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#include "util.h"
#include <tc/io/FileStream.h>
#include <tc/io/SubStream.h>
#include <tc/io/IOUtil.h>
void ctrtool::writeSubStreamToFile(const std::shared_ptr<tc::io::IStream>& in_stream, int64_t offset, int64_t length, const tc::io::Path& out_path, tc::ByteData& cache)
{
writeStreamToStream(std::make_shared<tc::io::SubStream>(tc::io::SubStream(in_stream, offset, length)), std::make_shared<tc::io::FileStream>(tc::io::FileStream(out_path, tc::io::FileMode::Create, tc::io::FileAccess::Write)), cache);
}
void ctrtool::writeSubStreamToFile(const std::shared_ptr<tc::io::IStream>& in_stream, int64_t offset, int64_t length, const tc::io::Path& out_path, size_t cache_size)
{
writeStreamToStream(std::make_shared<tc::io::SubStream>(tc::io::SubStream(in_stream, offset, length)), std::make_shared<tc::io::FileStream>(tc::io::FileStream(out_path, tc::io::FileMode::Create, tc::io::FileAccess::Write)), cache_size);
}
void ctrtool::writeStreamToFile(const std::shared_ptr<tc::io::IStream>& in_stream, const tc::io::Path& out_path, tc::ByteData& cache)
{
writeStreamToStream(in_stream, std::make_shared<tc::io::FileStream>(tc::io::FileStream(out_path, tc::io::FileMode::Create, tc::io::FileAccess::Write)), cache);
}
void ctrtool::writeStreamToFile(const std::shared_ptr<tc::io::IStream>& in_stream, const tc::io::Path& out_path, size_t cache_size)
{
writeStreamToStream(in_stream, std::make_shared<tc::io::FileStream>(tc::io::FileStream(out_path, tc::io::FileMode::Create, tc::io::FileAccess::Write)), cache_size);
}
void ctrtool::writeStreamToStream(const std::shared_ptr<tc::io::IStream>& in_stream, const std::shared_ptr<tc::io::IStream>& out_stream, tc::ByteData& cache)
{
// iterate thru child files
size_t cache_read_len;
in_stream->seek(0, tc::io::SeekOrigin::Begin);
out_stream->seek(0, tc::io::SeekOrigin::Begin);
for (int64_t remaining_data = in_stream->length(); remaining_data > 0;)
{
cache_read_len = in_stream->read(cache.data(), cache.size());
if (cache_read_len == 0)
{
throw tc::io::IOException("ctrtool::writeStreamToStream()", "Failed to read from source streeam.");
}
out_stream->write(cache.data(), cache_read_len);
remaining_data -= int64_t(cache_read_len);
}
}
void ctrtool::writeStreamToStream(const std::shared_ptr<tc::io::IStream>& in_stream, const std::shared_ptr<tc::io::IStream>& out_stream, size_t cache_size)
{
tc::ByteData cache = tc::ByteData(cache_size);
writeStreamToStream(in_stream, out_stream, cache);
}