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#include "FileSystemInterface.h"
#include "generic/callback.h"
#include "iarchive.h"
#include "itextstream.h"
namespace script
{
void FileSystemInterface::forEachFile(const std::string& basedir,
const std::string& extension,
VirtualFileSystemVisitor& visitor,
std::size_t depth)
{
GlobalFileSystem().forEachFile(
basedir, extension,
[&](const vfs::FileInfo& fileInfo) { visitor.visit(fileInfo.name); },
depth
);
}
std::string FileSystemInterface::readTextFile(const std::string& filename)
{
ArchiveTextFilePtr file = GlobalFileSystem().openTextFile(filename);
if (file == NULL) return "";
TextInputStream& istream = file->getInputStream();
const std::size_t READSIZE = 16384;
std::string text;
char buffer[READSIZE];
std::size_t bytesRead = READSIZE;
do
{
bytesRead = istream.read(buffer, READSIZE);
// Copy the stuff to the string
text.append(buffer, bytesRead);
} while (bytesRead == READSIZE);
return text;
}
int FileSystemInterface::getFileCount(const std::string& filename)
{
return GlobalFileSystem().getFileCount(filename);
}
std::string FileSystemInterface::findFile(const std::string& name)
{
return GlobalFileSystem().findFile(name);
}
std::string FileSystemInterface::findRoot(const std::string& name)
{
return GlobalFileSystem().findRoot(name);
}
void FileSystemInterface::registerInterface(py::module& scope, py::dict& globals)
{
// Expose the FileVisitor interface
py::class_<VirtualFileSystemVisitor, FileVisitorWrapper> visitor(scope, "FileVisitor");
visitor.def(py::init<>());
visitor.def("visit", &VirtualFileSystemVisitor::visit);
// Add the VFS module declaration to the given python namespace
py::class_<FileSystemInterface> filesystem(scope, "FileSystem");
filesystem.def("forEachFile", &FileSystemInterface::forEachFile);
filesystem.def("findFile", &FileSystemInterface::findFile);
filesystem.def("findRoot", &FileSystemInterface::findRoot);
filesystem.def("readTextFile", &FileSystemInterface::readTextFile);
filesystem.def("getFileCount", &FileSystemInterface::getFileCount);
// Now point the Python variable "GlobalFileSystem" to this instance
globals["GlobalFileSystem"] = this;
}
} // namespace script
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