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// 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.
#ifndef LIB_TONIC_FILE_LOADER_FILE_LOADER_H_
#define LIB_TONIC_FILE_LOADER_FILE_LOADER_H_
#include <memory>
#include <set>
#include <string>
#include <vector>
#include "third_party/dart/runtime/include/dart_api.h"
#include "tonic/common/macros.h"
#include "tonic/parsers/packages_map.h"
namespace tonic {
class FileLoader {
public:
FileLoader(int dirfd = -1);
~FileLoader();
bool LoadPackagesMap(const std::string& packages);
// The path to the `.packages` file the packages map was loaded from.
const std::string& packages() const { return packages_; }
Dart_Handle HandleLibraryTag(Dart_LibraryTag tag,
Dart_Handle library,
Dart_Handle url);
Dart_Handle CanonicalizeURL(Dart_Handle library, Dart_Handle url);
Dart_Handle Import(Dart_Handle url);
Dart_Handle Kernel(Dart_Handle url);
void SetPackagesUrl(Dart_Handle url);
Dart_Handle FetchBytes(const std::string& url,
uint8_t*& buffer,
intptr_t& buffer_size);
static const char kFileURLPrefix[];
static const size_t kFileURLPrefixLength;
static const std::string kPathSeparator;
private:
static std::string SanitizeURIEscapedCharacters(const std::string& str);
static std::string SanitizePath(const std::string& path);
static std::string CanonicalizeFileURL(const std::string& url);
std::string GetFilePathForURL(std::string url);
std::string GetFilePathForPackageURL(std::string url);
std::string GetFilePathForFileURL(std::string url);
std::string GetFileURLForPath(const std::string& path);
bool ReadFileToString(const std::string& path, std::string* result);
std::pair<uint8_t*, intptr_t> ReadFileToBytes(const std::string& path);
int dirfd_;
std::string packages_;
std::unique_ptr<PackagesMap> packages_map_;
std::vector<uint8_t*> kernel_buffers_;
TONIC_DISALLOW_COPY_AND_ASSIGN(FileLoader);
};
} // namespace tonic
#endif // LIB_TONIC_FILE_LOADER_FILE_LOADER_H_