react-native/ReactCommon/cxxreact/JSBigString.cpp

30 lines
816 B
C++

// Copyright (c) 2004-present, Facebook, Inc.
// This source code is licensed under the MIT license found in the
// LICENSE file in the root directory of this source tree.
#include "JSBigString.h"
#include <fcntl.h>
#include <sys/stat.h>
#include <folly/Memory.h>
#include <folly/ScopeGuard.h>
namespace facebook {
namespace react {
std::unique_ptr<const JSBigFileString> JSBigFileString::fromPath(const std::string& sourceURL) {
int fd = ::open(sourceURL.c_str(), O_RDONLY);
folly::checkUnixError(fd, "Could not open file", sourceURL);
SCOPE_EXIT { CHECK(::close(fd) == 0); };
struct stat fileInfo;
folly::checkUnixError(::fstat(fd, &fileInfo), "fstat on bundle failed.");
return folly::make_unique<const JSBigFileString>(fd, fileInfo.st_size);
}
} // namespace react
} // namespace facebook