blob: 808dccdb31e51cd5a99958b681af40d21f2b363a [file] [log] [blame]
// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "tonic/file_loader/file_loader.h"
#include <dirent.h>
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
#include <iostream>
#include <memory>
#include <utility>
#include "filesystem/file.h"
#include "filesystem/path.h"
#include "tonic/common/macros.h"
#include "tonic/converter/dart_converter.h"
#include "tonic/parsers/packages_map.h"
namespace tonic {
const std::string FileLoader::kPathSeparator = "/";
const char FileLoader::kFileURLPrefix[] = "file://";
const size_t FileLoader::kFileURLPrefixLength =
sizeof(FileLoader::kFileURLPrefix) - 1;
namespace {
const size_t kFileSchemeLength = FileLoader::kFileURLPrefixLength - 2;
} // namespace
std::string FileLoader::SanitizePath(const std::string& url) {
return SanitizeURIEscapedCharacters(url);
}
std::string FileLoader::CanonicalizeFileURL(const std::string& url) {
return url.substr(kFileSchemeLength);
}
bool FileLoader::ReadFileToString(const std::string& path,
std::string* result) {
if (dirfd_ == -1)
return filesystem::ReadFileToString(path, result);
const char* cpath = path.c_str();
const int offset = (cpath[0] == '/') ? 1 : 0;
filesystem::Descriptor fd(openat(dirfd_, &cpath[offset], O_RDONLY));
return filesystem::ReadFileDescriptorToString(fd.get(), result);
}
std::pair<uint8_t*, intptr_t> FileLoader::ReadFileToBytes(
const std::string& path) {
if (dirfd_ == -1)
return filesystem::ReadFileToBytes(path);
const char* cpath = path.c_str();
const int offset = (cpath[0] == '/') ? 1 : 0;
filesystem::Descriptor fd(openat(dirfd_, &cpath[offset], O_RDONLY));
return filesystem::ReadFileDescriptorToBytes(fd.get());
}
} // namespace tonic