mirror of
https://github.com/danog/ton.git
synced 2024-12-02 17:38:33 +01:00
91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
|
|
This file is part of TON Blockchain Library.
|
|
|
|
TON Blockchain Library is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU Lesser General Public License as published by
|
|
the Free Software Foundation, either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
TON Blockchain Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public License
|
|
along with TON Blockchain Library. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
Copyright 2017-2019 Telegram Systems LLP
|
|
*/
|
|
#pragma once
|
|
#include <iostream>
|
|
|
|
#include "td/utils/Status.h"
|
|
#include "td/utils/Time.h"
|
|
|
|
namespace fift {
|
|
class FileLoader {
|
|
public:
|
|
virtual ~FileLoader() = default;
|
|
struct File {
|
|
std::string data;
|
|
std::string path;
|
|
};
|
|
virtual td::Result<File> read_file(td::CSlice filename) = 0;
|
|
virtual td::Status write_file(td::CSlice filename, td::Slice data) = 0;
|
|
virtual td::Result<File> read_file_part(td::CSlice filename, td::int64 size, td::int64 offset) = 0;
|
|
virtual bool is_file_exists(td::CSlice filename) = 0;
|
|
};
|
|
|
|
class OsFileLoader : public FileLoader {
|
|
public:
|
|
td::Result<File> read_file(td::CSlice filename) override;
|
|
td::Status write_file(td::CSlice filename, td::Slice data) override;
|
|
td::Result<File> read_file_part(td::CSlice filename, td::int64 size, td::int64 offset) override;
|
|
bool is_file_exists(td::CSlice filename) override;
|
|
};
|
|
|
|
class OsTime {
|
|
public:
|
|
virtual ~OsTime() = default;
|
|
virtual td::uint32 now() = 0;
|
|
};
|
|
|
|
//TODO: rename SourceLookup
|
|
class SourceLookup {
|
|
public:
|
|
SourceLookup() = default;
|
|
explicit SourceLookup(std::unique_ptr<FileLoader> file_loader, std::unique_ptr<OsTime> os_time = {})
|
|
: file_loader_(std::move(file_loader)), os_time_(std::move(os_time)) {
|
|
}
|
|
void set_os_time(std::unique_ptr<OsTime> os_time) {
|
|
os_time_ = std::move(os_time);
|
|
}
|
|
void add_include_path(td::string path);
|
|
td::Result<FileLoader::File> lookup_source(std::string filename, std::string current_dir);
|
|
|
|
td::Result<FileLoader::File> read_file(td::CSlice path) {
|
|
return file_loader_->read_file(path);
|
|
}
|
|
td::Status write_file(td::CSlice path, td::Slice data) {
|
|
return file_loader_->write_file(path, data);
|
|
}
|
|
td::Result<FileLoader::File> read_file_part(td::CSlice filename, td::int64 size, td::int64 offset) {
|
|
return file_loader_->read_file_part(filename, size, offset);
|
|
}
|
|
bool is_file_exists(td::CSlice filename) {
|
|
return file_loader_->is_file_exists(filename);
|
|
}
|
|
td::uint32 now() {
|
|
if (os_time_) {
|
|
return os_time_->now();
|
|
}
|
|
return static_cast<td::uint32>(td::Clocks::system());
|
|
}
|
|
|
|
protected:
|
|
std::unique_ptr<FileLoader> file_loader_;
|
|
std::unique_ptr<OsTime> os_time_;
|
|
std::vector<std::string> source_include_path_;
|
|
};
|
|
} // namespace fift
|