Files
libloot/include/loot/api.h
T
Oliver Hamlet e5a229e09f Move file versioning functions out of DatabaseInterface
They don't need to be member functions, and needing a pointer to an
instance of that interface is awkward.

The function names have also changed to reflect that they're not
specific to the masterlists.
2021-09-23 13:31:34 +01:00

184 lines
7.0 KiB
C++

/* LOOT
A load order optimisation tool for Oblivion, Skyrim, Fallout 3 and
Fallout: New Vegas.
Copyright (C) 2013-2016 WrinklyNinja
This file is part of LOOT.
LOOT is free software: you can redistribute
it and/or modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, either version 3 of
the License, or (at your option) any later version.
LOOT 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with LOOT. If not, see
<https://www.gnu.org/licenses/>.
*/
#ifndef LOOT_API_H
#define LOOT_API_H
#include <filesystem>
#include <functional>
#include <memory>
#include <string>
#include "loot/api_decorator.h"
#include "loot/enum/game_type.h"
#include "loot/enum/log_level.h"
#include "loot/exception/condition_syntax_error.h"
#include "loot/exception/cyclic_interaction_error.h"
#include "loot/exception/error_categories.h"
#include "loot/exception/file_access_error.h"
#include "loot/exception/git_state_error.h"
#include "loot/exception/undefined_group_error.h"
#include "loot/game_interface.h"
#include "loot/loot_version.h"
namespace loot {
/**@}*/
/**********************************************************************//**
* @name Logging Functions
*************************************************************************/
/**@{*/
/**
* @brief Set the callback function that is called when logging.
* @details If this function is not called, the default behaviour is to
* print messages to the console.
* @param callback
* The function called when logging. The first parameter is the
* level of the message being logged, and the second is the message.
*/
LOOT_API void SetLoggingCallback(
std::function<void(LogLevel, const char*)> callback);
/**@}*/
/**********************************************************************//**
* @name Version Functions
*************************************************************************/
/**@{*/
/**
* @brief Checks for API compatibility.
* @details Checks whether the loaded API is compatible with the given
* version of the API, abstracting API stability policy away from
* clients. The version numbering used is major.minor.patch.
* @param major
* The major version number to check.
* @param minor
* The minor version number to check.
* @param patch
* The patch version number to check.
* @returns True if the API versions are compatible, false otherwise.
*/
LOOT_API bool IsCompatible(const unsigned int major,
const unsigned int minor,
const unsigned int patch);
/**@}*/
/**********************************************************************//**
* @name Lifecycle Management Functions
*************************************************************************/
/**@{*/
/**
* @brief Initialise a new game handle.
* @details Creates a handle for a game, which is then used by all
* game-specific functions.
* @param game
* A game code for which to create the handle.
* @param game_path
* The relative or absolute path to the directory containing the
* game's executable.
* @param game_local_path
* The relative or absolute path to the game's folder in
* `%%LOCALAPPDATA%` or an empty path. If an empty path, the API will
* attempt to look up the path that `%%LOCALAPPDATA%` corresponds to.
* This parameter is provided so that systems lacking that environmental
* variable (eg. Linux) can still use the API.
* @returns The new game handle.
*/
LOOT_API std::shared_ptr<GameInterface> CreateGameHandle(
const GameType game,
const std::filesystem::path& game_path,
const std::filesystem::path& game_local_path = "");
/**@}*/
/**********************************************************************/ /**
* @name File Versioning Functions
*************************************************************************/
/**@{*/
/**
* @brief Update the given masterlist or masterlist prelude file.
* @details Uses Git to update the given file using a given remote.
* If the file doesn't exist, this will create it. This
* function also initialises a Git repository in the given
* file's parent folder.
*
* If a Git repository is already present, it will be used to
* perform a diff-only update, but if for any reason a
* fast-forward merge update is not possible, the existing
* repository will be deleted and a new repository cloned from
* the given remote.
* @param file_path
* The relative or absolute path to the file that should be
* updated. The filename must match the filename of the file in the
* given remote repository, otherwise it will not be updated
* correctly. The file must be present in the repository's root
* directory.
* @param remote_url
* The URL of the remote from which to fetch updates. This can also be
* a relative or absolute path to a local repository.
* @param remote_branch
* The branch of the remote from which to apply updates.
* @returns `true` if the file was updated. `false` if no update was
* necessary, ie. it was already up-to-date.
*/
LOOT_API bool UpdateFile(const std::filesystem::path& file_path,
const std::string& remote_url,
const std::string& remote_branch);
/**
* @brief Get the given masterlist or masterlist prelude file's revision.
* @details Getting a file's revision is only possible if it is found
* in the root of a local Git repository.
* @param file_path
* The relative or absolute path to the file that should be queried.
* @param get_short_id
* If `true`, the shortest unique hexadecimal revision hash that is at
* least 7 characters long will be outputted. Otherwise, the full 40
* character hash will be outputted.
* @returns The revision data.
*/
LOOT_API FileRevision GetFileRevision(const std::filesystem::path& file_path,
const bool get_short_id);
/**
* Check if the given masterlist or masterlist prelude file is the latest
* available for a given branch.
* @param file_path
* The relative or absolute path to the file for which the latest
* revision should be obtained. It needs to be in the root of a local
* Git repository.
* @param branch
* The branch to check against.
* @return True if the file's current revision matches its latest revision
* for the given branch, and false otherwise.
*/
LOOT_API bool IsLatestFile(const std::filesystem::path& file_path,
const std::string& branch);
}
#endif