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[nstool] Added RomFs extraction support.

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This commit is contained in:
jakcron 2018-04-25 20:27:47 +08:00
parent d017a95a3a
commit 322e4d2b48
2 changed files with 58 additions and 1 deletions
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56
programs/nstool/source/RomfsProcess.cpp
View file

@ -54,9 +54,63 @@ void RomfsProcess::displayFs()
displayDir(mRootDir, 1);
}
void RomfsProcess::extractDir(const std::string& path, const sDirectory& dir)
{
std::string dir_path;
std::string file_path;
// make dir path
fnd::io::appendToPath(dir_path, path);
if (dir.name.empty() == false)
fnd::io::appendToPath(dir_path, dir.name);
//printf("dirpath=[%s]\n", dir_path.c_str());
// make directory
fnd::io::makeDirectory(dir_path);
// allocate memory for file extraction
fnd::MemoryBlob scratch;
scratch.alloc(kFileExportBlockSize);
// extract files
fnd::SimpleFile outFile;
for (size_t i = 0; i < dir.file_list.getSize(); i++)
{
file_path.clear();
fnd::io::appendToPath(file_path, dir_path);
fnd::io::appendToPath(file_path, dir.file_list[i].name);
if (mCliOutputType >= OUTPUT_VERBOSE)
printf("extract=[%s]\n", file_path.c_str());
outFile.open(file_path, outFile.Create);
mReader->seek(mOffset + dir.file_list[i].offset);
for (size_t j = 0; j < (dir.file_list[i].size / kFileExportBlockSize); j++)
{
mReader->read(scratch.getBytes(), kFileExportBlockSize);
outFile.write(scratch.getBytes(), kFileExportBlockSize);
}
if (dir.file_list[i].size % kFileExportBlockSize)
{
mReader->read(scratch.getBytes(), dir.file_list[i].size % kFileExportBlockSize);
outFile.write(scratch.getBytes(), dir.file_list[i].size % kFileExportBlockSize);
}
outFile.close();
}
for (size_t i = 0; i < dir.dir_list.getSize(); i++)
{
extractDir(dir_path, dir.dir_list[i]);
}
}
void RomfsProcess::extractFs()
{
extractDir(mExtractPath, mRootDir);
}
bool RomfsProcess::validateHeaderLayout(const nx::sRomfsHeader* hdr) const

3
programs/nstool/source/RomfsProcess.h
View file

@ -137,6 +137,9 @@ private:
void displayHeader();
void displayFs();
void extractFile(const std::string& path, const sFile& file);
void extractDir(const std::string& path, const sDirectory& dir);
void extractFs();
bool validateHeaderLayout(const nx::sRomfsHeader* hdr) const;