LOOT API¶
Introduction¶
LOOT is a utility that helps users avoid serious conflicts between their mods by setting their plugins in an optimal load order. It also provides tens of thousands of plugin-specific messages, including usage notes, requirements, incompatibilities, bug warnings and installation mistake notifications, and thousands of Bash Tag suggestions.
This metadata that LOOT supplies is stored in its masterlist, which is maintained by the LOOT team using information provided by mod authors and users. Users can also add to and modify the metadata used by LOOT through the use of userlist files. The LOOT API provides a way for third-party developers to access this metadata for use in their own programs.
Miscellaneous Details¶
String Encoding¶
- All output strings are encoded in UTF-8.
- Metadata files are written encoded in UTF-8.
- Input strings are expected to be encoded in UTF-8.
- Metadata files read are expected to be encoded in UTF-8.
- File paths are case-sensitive if and only if the underlying file system is case-sensitive.
Language Codes¶
All language strings in the API are codes of the form ll
or ll_CC
, where ll
is an ISO 639-1 language code and CC
is an ISO 3166 country code. For example, the default language for metadata message content is English, identified by the code en
, and Brazilian Portuguese is pt_BR
.
Errors¶
All errors encountered are thrown as exceptions that inherit from
std::exception
.
Metadata Files¶
LOOT stores plugin metadata in YAML files. It distinguishes between masterlist and userlist files: each game has a single masterlist, which is a public, curated metadata store, and each LOOT user has a private userlist, which can contain metadata added by the user. The two files use the same syntax, but metadata in the userlist extends or replaces metadata sourced from the masterlist.
LOOT’s plugin metadata can be conditional, eg. a plugin may require a patch only
if another plugin is also present. The API’s LoadLists()
method parses
metadata files into memory, but does not evaluate these conditions, so the
loaded metadata may contain metadata that is invalid for the installed game that
the loot::DatabaseInterface
object being operated on was created for.
Caching¶
All unevaluated metadata is cached between calls to LoadLists()
.
Plugin content is cached between calls to LoadPlugins()
and
SortPlugins()
.
Load order is cached between calls to LoadPlugins()
,
SortPlugins()
and LoadCurrentLoadOrderState()
.
Performance¶
Loading metadata lists is a relatively costly operation, as is updating the masterlist (which involves loading it).
Sorting plugins is expensive, as it involves loading all the FormIDs for all the plugins, apart from the game’s main master file, which is skipped as an optimisation (it doesn’t depend on anything else and is much bigger than any other plugin, so is unnecessary and slow to load).
Getting plugin metadata once loaded is cheap, as is getting a masterlist’s revision.
Loading the current load order state is relatively cheap and can take < 1 ms depending on hardware and the size of the load order, but involves filesystem access and should not be done more often than necessary to avoid a performance impact.
LOOT’s Sorting Algorithm¶
LOOT’s sorting algorithm consists of four stages:
Load plugin data¶
In this first stage, the plugins to be sorted are parsed and their FormIDs stored. Parsing is multithreaded by dividing the plugins into buckets with roughly equal total file sizes, and loading each bucket’s plugins in a separate thread. The number of buckets created is equal to the number of concurrent threads that are hardware-supported (e.g. a dual-core CPU without hyperthreading may report that it supports two threads).
When parsing plugins, all subrecords are skipped over for efficiency, apart from
the subrecords of the TES4
header record.
Create plugin graph vertices¶
Once loaded, a directed graph is created and the plugins are added to it in lexicographical order as vertices. Any metadata a plugin has in the masterlist and userlist are then merged into its vertex’s data store.
Create plugin graph edges¶
In this section, the terms vertex and plugin are used interchangeably, and the iteration order ‘for each plugin’ is the order in which the vertices were added to the graph.
For each plugin:
- If the plugin is a master file, add edges going to all non-master files. If the plugin is a non-master file, add edges coming from all master files.
- Add edges coming from all the plugin’s masters. Missing masters have no edges added.
- Add edges coming from all the plugin’s requirements. Missing requirements have no edges added.
- Add edges coming from all the plugin’s load after files that are installed plugins.
At this point, all explicit interdependencies have been graphed. Plugin priority metadata values must now be propagated down the dependency trees to ensure that priority edges are added correctly later in the process. To do this:
- Create a list of all vertices with a global or non-global priority value greater than zero.
- Sort the list in order of decreasing priority value.
- For each vertex, perform a depth-first search, setting priorities at each vertex visited until equal or larger values are encountered.
Now that the priorities have been propagated, the priority edges can be added. For each plugin, if it has a global priority value of zero, overrides no records and loads no archive, skip it, otherwise iterate over all other plugins and:
If the other plugin’s global and non-global priority values equal the plugin’s own values, or if both plugins have a global priority of zero and have no FormIDs in common, skip the other plugin.
Otherwise, add an edge from the plugin with lower global priority to the plugin with higher global priority, if that edge does not cause a cycle. A cycle is caused if a circular dependency is introduced, for example for two vertices A and B, A -> B -> A is a cycle.
If the global priorities are equal, compare the non-global priorities instead.
Plugin overlap edges are then added. Two plugins overlap if they contain the same FormID, i.e. if they both edit the same record or if one edits a record the other plugin adds.
For each plugin, skip it if it overrides no records, otherwise iterate over all other plugins.
- If the plugin and other plugin override the same number of records, or do not overlap, skip the other plugin.
- Otherwise, add an edge from the plugin which overrides more records to the plugin that overrides fewer records, unless that edge would cause a cycle.
Finally, tie-break edges are added to ensure that sorting is consistent. For each plugin, iterate over all other plugins and add an edge between each pair of plugins in the direction given by the tie-break comparison function, unless that edge would cause a cycle.
The tie-break comparison function compares current plugin load order positions, falling back to plugin names.
- If both plugins have positions in the current load order, the function preserves their existing relative order.
- If one plugin has a position and the other does not, the edge added goes from the plugin with a position to the plugin without a position.
- If neither plugin has a load order position, a case-insensitive lexicographical comparison of their filenames without file extensions is used to decide their order.
Topologically sort the plugin graph¶
Note that edges for explicit interdependencies are the only edges allowed to create cycles: this is because the first step of this stage is to check the plugin graph for cycles, and throw an error if any are encountered, so that metadata (or indeed plugin data) that cause them can be corrected.
Once the graph is confirmed to be cycle-free, a topological sort is performed on the graph, outputting a list of plugins in their newly-sorted load order.
API Reference¶
Contents
Enumerations¶
-
enum
loot::
GameType
¶ Codes used to create database handles for specific games.
Values:
-
tes4
¶ The Elder Scrolls IV: Oblivion
-
tes5
¶ The Elder Scrolls V: Skyrim
-
fo3
¶ Fallout 3
-
fonv
¶ Fallout: New Vegas
-
fo4
¶ Fallout 4
-
tes5se
¶ The Elder Scrolls V: Skyrim Special Edition
-
fo4vr
¶ Fallout 4 VR
-
-
enum
loot::
LogLevel
¶ Codes used to specify different levels of API logging.
Values:
-
trace
¶
-
debug
¶
-
info
¶
-
warning
¶
-
error
¶
-
fatal
¶
-
-
enum
loot::
MessageType
¶ Codes used to indicate the type of a message.
Values:
-
say
¶ A notification message that is of no significant severity.
-
warn
¶ A warning message, used to indicate that an issue may be present that the user may wish to act on.
-
error
An error message, used to indicate that an issue that requires user action is present.
-
Public-Field Data Structures¶
-
struct
loot::
MasterlistInfo
¶ A structure that holds data about a masterlist’s source control revision.
Public Members
-
std::string
revision_id
¶ The revision hash for the masterlist. If the masterlist doesn’t exist, or there is no Git repository at its location, this will be empty.
-
std::string
revision_date
¶ A pointer to a string containing the ISO 8601 formatted revision date, ie. YYYY-MM-DD. If the masterlist doesn’t exist, or there is no Git repository at its location, this will be empty.
-
bool
is_modified
¶ true
if the masterlist has been edited since the outputted revision, orfalse
if it is at exactly the revision given.
-
std::string
-
struct
loot::
SimpleMessage
¶ A structure that holds the type of a message and the message string itself.
Public Members
-
MessageType
type
¶ The type of the message.
-
std::string
language
¶ The language the message string is written in.
-
std::string
text
¶ The message string, which may be formatted using GitHub Flavored Markdown.
-
std::string
condition
¶ The message’s condition string.
-
MessageType
Functions¶
-
void
loot::
SetLoggingCallback
(std::function<void(LogLevel, const char *)> callback)¶ Set the callback function that is called when logging.
If this function is not called, the default behaviour is to print messages to the console.
- Parameters
callback
: The function called when logging. The first parameter is the level of the message being logged, and the second is the message.
-
bool
loot::
IsCompatible
(const unsigned int major, const unsigned int minor, const unsigned int patch)¶ Checks for API compatibility.
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.
- Return
- True if the API versions are compatible, false otherwise.
- Parameters
major
: The major version number to check.minor
: The minor version number to check.patch
: The patch version number to check.
-
void
loot::
InitialiseLocale
(const std::string &id = "")¶ Initialise the current global locale using the given ID.
This sets the global locale up so that the library’s UTF-8 support can function.
- Parameters
id
: A locale ID. The default value is a blank string, which will use the system default locale.
-
std::shared_ptr<GameInterface>
loot::
CreateGameHandle
(const GameType game, const std::string &game_path, const std::string &game_local_path = "")¶ Initialise a new game handle.
Creates a handle for a game, which is then used by all game-specific functions.
- Return
- The new game handle.
- Parameters
game
: A game code for which to create the handle.game_path
: The relative or absolute path to the directory containing the game’s executable.game_local_path
: The relative or absolute path to the game’s folder in%LOCALAPPDATA%
or an empty string. If an empty string, 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.
Interfaces¶
-
class
loot::
DatabaseInterface
¶ The interface provided by API’s database handle.
Data Reading & Writing
-
virtual void
LoadLists
(const std::string &masterlist_path, const std::string &userlist_path = "") = 0¶ Loads the masterlist and userlist from the paths specified.
Can be called multiple times, each time replacing the previously-loaded data.
- Parameters
masterlist_path
: A string containing the relative or absolute path to the masterlist file that should be loaded.userlist_path
: A string containing the relative or absolute path to the userlist file that should be loaded, or an empty string. If an empty string, no userlist will be loaded.
-
virtual void
WriteUserMetadata
(const std::string &outputFile, const bool overwrite) const = 0¶ Writes a metadata file containing all loaded user-added metadata.
- Parameters
outputFile
: The path to which the file shall be written.overwrite
: Iffalse
andoutputFile
already exists, no data will be written. Otherwise, data will be written.
-
virtual void
WriteMinimalList
(const std::string &outputFile, const bool overwrite) const = 0¶ Writes a minimal metadata file that only contains plugins with Bash Tag suggestions and/or dirty info, plus the suggestions and info themselves.
- Parameters
outputFile
: The path to which the file shall be written.overwrite
: Iffalse
andoutputFile
already exists, no data will be written. Otherwise, data will be written.
Masterlist Update
-
virtual bool
UpdateMasterlist
(const std::string &masterlist_path, const std::string &remote_url, const std::string &remote_branch) = 0¶ Update the given masterlist.
Uses Git to update the given masterlist to a given remote. If the masterlist doesn’t exist, this will create it. This function also initialises a Git repository in the given masterlist’s parent folder. If the masterlist was not already up-to-date, it will be re-loaded, but not re-evaluated.
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.
- Return
true
if the masterlist was updated.false
if no update was necessary, ie. it was already up-to-date. Iftrue
, the masterlist will have been re-loaded, but will need to be re-evaluated separately.- Parameters
masterlist_path
: A string containing the relative or absolute path to the masterlist file that should be updated. The filename must match the filename of the masterlist file in the given remote repository, otherwise it will not be updated correctly. Although LOOT itself expects this filename to be “masterlist.yaml”, the API does not check for any specific filename.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.remote_branch
: The branch of the remote from which to apply updates. LOOT’s official masterlists are versioned using separate branches for each new version of the masterlist syntax, so if you’re using them, check their repositories to see which is the latest release branch.
-
virtual MasterlistInfo
GetMasterlistRevision
(const std::string &masterlist_path, const bool get_short_id) const = 0¶ Get the given masterlist’s revision.
Getting a masterlist’s revision is only possible if it is found inside a local Git repository.
- Return
- The revision data.
- Parameters
masterlist_path
: A string containing the relative or absolute path to the masterlist file that should be queried.get_short_id
: Iftrue
, 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.
-
virtual bool
IsLatestMasterlist
(const std::string &masterlist_path, const std::string &branch) const = 0¶ Check if the given masterlist is the latest available for a given branch.
- Return
- True if the masterlist revision matches the latest masterlist revision for the given branch, and false otherwise.
- Parameters
masterlist_path
: A string containing the relative or absolute path to the masterlist file for which the latest revision should be obtained. It needs to be in a local Git repository.branch
: The branch to check against.
Non-plugin Data Access
-
virtual std::set<std::string>
GetKnownBashTags
() const = 0¶ Gets the Bash Tags that are listed in the loaded metadata lists.
Bash Tag suggestions can include plugins not in this list.
- Return
- A set of Bash Tag names.
-
virtual std::vector<Message>
GetGeneralMessages
(bool evaluateConditions = false) const = 0¶ Get all general messages listen in the loaded metadata lists.
- Return
- A vector of messages supplied in the metadata lists but not attached to any particular plugin.
- Parameters
evaluateConditions
: If true, any metadata conditions are evaluated before the metadata is returned, otherwise unevaluated metadata is returned. Evaluating general message conditions also clears the condition cache before evaluating conditions.
Plugin Data Access
-
virtual PluginMetadata
GetPluginMetadata
(const std::string &plugin, bool includeUserMetadata = true, bool evaluateConditions = false) const = 0¶ Get all a plugin’s loaded metadata.
- Return
- A PluginMetadata object containing all the plugin’s metadata. If the plugin has no metadata, PluginMetadata.IsNameOnly() will return true.
- Parameters
plugin
: The filename of the plugin to look up metadata for.includeUserMetadata
: If true, any user metadata the plugin has is included in the returned metadata, otherwise the metadata returned only includes metadata from the masterlist.evaluateConditions
: If true, any metadata conditions are evaluated before the metadata is returned, otherwise unevaluated metadata is returned. Evaluating plugin metadata conditions does not clear the condition cache.
-
virtual PluginMetadata
GetPluginUserMetadata
(const std::string &plugin, bool evaluateConditions = false) const = 0¶ Get a plugin’s metadata loaded from the given userlist.
- Return
- A PluginMetadata object containing the plugin’s user-added metadata. If the plugin has no metadata, PluginMetadata.IsNameOnly() will return true.
- Parameters
plugin
: The filename of the plugin to look up user-added metadata for.evaluateConditions
: If true, any metadata conditions are evaluated before the metadata is returned, otherwise unevaluated metadata is returned. Evaluating plugin metadata conditions does not clear the condition cache.
-
virtual void
SetPluginUserMetadata
(const PluginMetadata &pluginMetadata) = 0¶ Sets a plugin’s user metadata, overwriting any existing user metadata.
- Parameters
pluginMetadata
: The user metadata you want to set, with plugin.Name() being the filename of the plugin the metadata is for.
-
virtual void
DiscardPluginUserMetadata
(const std::string &plugin) = 0¶ Discards all loaded user metadata for the plugin with the given filename.
- Parameters
plugin
: The filename of the plugin for which all user-added metadata should be deleted.
-
virtual void
DiscardAllUserMetadata
() = 0¶ Discards all loaded user metadata for all plugins, and any user-added general messages and known bash tags.
-
virtual void
-
class
loot::
GameInterface
¶ The interface provided for accessing game-specific functionality.
Metadata Access
-
virtual std::shared_ptr<DatabaseInterface>
GetDatabase
() = 0¶ Get the database interface used for accessing metadata-related functionality.
- Return
- A shared pointer to the game’s DatabaseInterface
Plugin Data Access
-
virtual bool
IsValidPlugin
(const std::string &plugin) const = 0¶ Check if a file is a valid plugin.
The validity check is not exhaustive: it checks that the file extension is
.esm
or.esp
(after trimming any.ghost
extension), and that theTES4
header can be parsed.- Return
- True if the file is a valid plugin, false otherwise.
- Parameters
plugin
: The filename of the file to check.
-
virtual void
LoadPlugins
(const std::vector<std::string> &plugins, bool loadHeadersOnly) = 0¶ Parses plugins and loads their data.
Any previously-loaded plugin data is discarded when this function is called. This function also loads the current load order state.
- Parameters
plugins
: The filenames of the plugins to load.loadHeadersOnly
: If true, only the plugins’TES4
headers are loaded. If false, all records in the plugins are parsed, apart from the main master file if it has been identified by a previous call toIdentifyMainMasterFile()
.
-
virtual std::shared_ptr<const PluginInterface>
GetPlugin
(const std::string &pluginName) const = 0¶ Get data for a loaded plugin.
Throws an exception if the given plugin has not been loaded.
- Return
- A const PluginInterface reference. The reference remains valid until the
LoadPlugins()
orSortPlugins()
functions are next called or this GameInterface is destroyed. - Parameters
pluginName
: The filename of the plugin to get data for.
-
virtual std::set<std::shared_ptr<const PluginInterface>>
GetLoadedPlugins
() const = 0¶ Get a set of const references to all loaded plugins’ PluginInterface objects.
- Return
- A set of const PluginInterface references. The references remain valid until the
LoadPlugins()
orSortPlugins()
functions are next called or this GameInterface is destroyed.
Sorting
-
virtual void
IdentifyMainMasterFile
(const std::string &masterFile) = 0¶ Identify the game’s main master file.
When sorting, LOOT always only loads the headers of the game’s main master file as a performance optimisation.
-
virtual std::vector<std::string>
SortPlugins
(const std::vector<std::string> &plugins) = 0¶ Calculates a new load order for the game’s installed plugins (including inactive plugins) and outputs the sorted order.
Pulls metadata from the masterlist and userlist if they are loaded, and reads the contents of each plugin. No changes are applied to the load order used by the game. This function does not load or evaluate the masterlist or userlist.
- Return
- A vector of the given plugin filenames in their sorted load order.
- Parameters
plugins
: A vector of filenames of the plugins to sort.
Load Order Interaction
-
virtual void
LoadCurrentLoadOrderState
() = 0¶ Load the current load order state, discarding any previously held state.
This function should be called whenever the load order or active state of plugins “on disk” changes, so that the cached state is updated to reflect the changes.
-
virtual bool
IsPluginActive
(const std::string &plugin) const = 0¶ Check if a plugin is active.
- Return
- True if the plugin is active, false otherwise.
- Parameters
plugin
: The filename of the plugin for which to check the active state.
-
virtual std::vector<std::string>
GetLoadOrder
() const = 0¶ Get the current load order.
- Return
- A vector of plugin filenames in their load order.
-
virtual void
SetLoadOrder
(const std::vector<std::string> &loadOrder) = 0¶ Set the game’s load order.
- Parameters
loadOrder
: A vector of plugin filenames sorted in the load order to set.
-
virtual std::shared_ptr<DatabaseInterface>
-
class
loot::
PluginInterface
¶ Represents a plugin file that has been parsed by LOOT.
Public Functions
-
virtual std::string
GetName
() const = 0¶ Get the plugin’s filename.
- Return
- The plugin filename.
-
virtual std::string
GetLowercasedName
() const = 0¶ Get the plugin’s filename in lowercase characters.
- Return
- The lowercased plugin filename.
-
virtual std::string
GetVersion
() const = 0¶ Get the plugin’s version number from its description field.
If no version number is found in the description field, an empty string is returned. The description field parsing may fail to extract the version number correctly, though it functions correctly in all known cases.
- Return
- A string containing a version number, or an empty string.
-
virtual std::vector<std::string>
GetMasters
() const = 0¶ Get the plugin’s masters.
- Return
- The plugin’s masters in the same order they are listed in the file.
-
virtual std::set<Tag>
GetBashTags
() const = 0¶ Get any Bash Tags found in the plugin’s description field.
- Return
- A set of Bash Tags. The order of elements in the set holds no semantics.
-
virtual uint32_t
GetCRC
() const = 0¶ Get the plugin’s CRC-32 checksum.
- Return
- The plugin’s CRC-32 checksum if it has been fully read. If only the plugin’s header has been read,
0
will be returned.
-
virtual bool
IsMaster
() const = 0¶ Check if the plugin’s master flag is set.
- Return
- True if the master flag is set, false otherwise.
-
virtual bool
IsLightMaster
() const = 0¶ Check if the plugin is a light master.
- Return
- True if plugin is a light master, false otherwise.
-
virtual bool
IsEmpty
() const = 0¶ Check if the plugin contains any records other than its TES4 header.
- Return
- True if the plugin only contains a TES4 header, false otherwise.
-
virtual bool
LoadsArchive
() const = 0¶ Check if the plugin loads an archive (BSA/BA2 depending on the game).
- Return
- True if the plugin loads an archive, false otherwise.
-
virtual bool
DoFormIDsOverlap
(const PluginInterface &plugin) const = 0¶ Check if two plugins contain records for the same FormIDs.
- Return
- True if the plugins both contain at least one record with the same FormID, false otherwise.
- Parameters
plugin
: The other plugin to check for FormID overlap with.
-
virtual std::string
Classes¶
-
class
loot::
ConditionalMetadata
¶ A base class for metadata that can be conditional based on the result of evaluating a condition string.
Subclassed by File, Message, Tag
Public Functions
-
ConditionalMetadata
()¶ Construct a ConditionalMetadata object with an empty condition string.
- Return
- A ConditionalMetadata object.
-
ConditionalMetadata
(const std::string &condition)¶ Construct a ConditionalMetadata object with a given condition string.
- Return
- A ConditionalMetadata object.
- Parameters
condition
: A condition string, as defined in the LOOT metadata syntax documentation.
-
bool
IsConditional
() const¶ Check if the condition string is non-empty.
- Return
- True if the condition string is not empty, false otherwise.
-
void
ParseCondition
() const¶ Check if the condition string is syntactically valid.
Throws a
ConditionSyntaxError
if the condition string’s syntax is not valid.
-
std::string
GetCondition
() const¶ Get the condition string.
- Return
- The object’s condition string.
-
-
class
loot::
File
¶ Represents a file in a game’s Data folder, including files in subdirectories.
Inherits from ConditionalMetadata
Public Functions
-
File
(const std::string &name, const std::string &display = "", const std::string &condition = "")¶ Construct a File with the given name, display name and condition strings.
-
bool
operator<
(const File &rhs) const¶ A less-than operator implemented with no semantics so that File objects can be stored in sets.
-
bool
operator==
(const File &rhs) const¶ Check if two File objects are equal by comparing their filenames.
- Return
- True if the filenames are case-insensitively equal, false otherwise.
-
std::string
GetName
() const¶ Get the filename of the file.
- Return
- The file’s filename.
-
std::string
GetDisplayName
() const¶ Get the display name of the file.
- Return
- The file’s display name.
-
-
class
loot::
Location
¶ Represents a URL at which the parent plugin can be found.
Public Functions
-
Location
(const std::string &url, const std::string &name = "")¶ Construct a Location with the given URL and name.
- Return
- A Location object.
- Parameters
url
: The URL at which the plugin can be found.name
: A name for the URL, eg. the page or site name.
-
bool
operator<
(const Location &rhs) const¶ A less-than operator implemented with no semantics so that Location objects can be stored in sets.
-
bool
operator==
(const Location &rhs) const¶ Check if two Location objects are equal by comparing their URLs.
- Return
- True if the URLs are case-insensitively equal, false otherwise.
-
std::string
GetURL
() const¶ Get the object’s URL.
- Return
- A URL string.
-
std::string
GetName
() const Get the object’s name.
- Return
- The name of the location.
-
-
class
loot::
LootVersion
¶ A purely static class that provides information about the version of the LOOT API that is being run.
Public Static Functions
-
static std::string
string
()¶ Get the API version as a string.
- Return
- A string of the form “major.minor.patch”.
-
static std::string
-
class
loot::
MessageContent
¶ Represents a message’s localised text content.
Public Functions
-
MessageContent
()¶ Construct a MessageContent object with an empty English message string.
- Return
- A MessageContent object.
-
MessageContent
(const std::string &text, const std::string &language = defaultLanguage)¶ Construct a Message object with the given text in the given language.
- Return
- A MessageContent object.
- Parameters
text
: The message text.language
: The language that the message is written in.
-
std::string
GetText
() const¶ Get the message text.
- Return
- A string containing the message text.
-
std::string
GetLanguage
() const¶ Get the message language.
- Return
- A code representing the language that the message is written in.
-
bool
operator<
(const MessageContent &rhs) const¶ A less-than operator implemented with no semantics so that MessageContent objects can be stored in sets.
- Return
- True if this MessageContent‘s text is case-insensitively lexicographically less than the given MessageContent‘s text, false otherwise.
-
bool
operator==
(const MessageContent &rhs) const¶ Check if two MessageContent objects are equal by comparing their texts.
- Return
- True if the texts are case-insensitively equal, false otherwise.
Public Static Functions
-
static MessageContent
Choose
(const std::vector<MessageContent> content, const std::string &language)¶ Choose a MessageContent object from a vector given a language.
- Return
- A MessageContent object. If the given vector is empty, a default-constructed MessageContent is returned.
- Parameters
content
: The MessageContent objects to choose between.language
: The language code for the preferred language to select. If no message in the preferred language is present, the English MessageContent will be returned.
Public Static Attributes
-
const std::string
defaultLanguage
¶ The code for the default language assumed for message content, which is English.
-
-
class
loot::
Message
¶ Represents a message with localisable text content.
Inherits from ConditionalMetadata
Public Functions
-
Message
()¶ Construct a Message object of type ‘say’ with blank content and condition strings.
- Return
- A Message object.
-
Message
(const MessageType type, const std::string &content, const std::string &condition = "")¶ Construct a Message object with the given type, English content and condition string.
- Return
- A Message object.
- Parameters
type
: The message type.content
: The English message content text.condition
: A condition string.
-
Message
(const MessageType type, const std::vector<MessageContent> &content, const std::string &condition = "")¶ Construct a Message object with the given type, content and condition string.
- Return
- A Message object.
- Parameters
type
: The message type.content
: The message content. If multilingual, one language must be English.condition
: A condition string.
-
bool
operator<
(const Message &rhs) const¶ A less-than operator implemented with no semantics so that Message objects can be stored in sets.
-
bool
operator==
(const Message &rhs) const¶ Check if two Message objects are equal by comparing their content.
- Return
- True if the contents are equal, false otherwise.
-
MessageType
GetType
() const¶ Get the message type.
- Return
- The message type.
-
std::vector<MessageContent>
GetContent
() const¶ Get the message content.
- Return
- The message’s MessageContent objects.
-
MessageContent
GetContent
(const std::string &language) const¶ Get the message content given a language.
- Return
- A MessageContent object for the preferred language, or for English if a MessageContent object is not available for the given language.
- Parameters
language
: The preferred language for the message content.
-
SimpleMessage
ToSimpleMessage
(const std::string &language) const¶ Get the message as a SimpleMessage given a language.
- Return
- A SimpleMessage object for the preferred language, or for English if message text is not available for the given language.
- Parameters
language
: The preferred language for the message content.
-
-
class
loot::
PluginCleaningData
¶ Represents data identifying the plugin under which it is stored as dirty or clean.
Public Functions
-
PluginCleaningData
()¶ Construct a PluginCleaningData object with zero CRC, ITM count, deleted reference count and deleted navmesh count values, an empty utility string and no info.
- Return
- A PluginCleaningData object.
-
PluginCleaningData
(uint32_t crc, const std::string &utility)¶ Construct a PluginCleaningData object with the given CRC and utility, zero ITM count, deleted reference count and deleted navmesh count values and no info.
- Return
- A PluginCleaningData object.
- Parameters
crc
: The CRC of a plugin.utility
: The utility that the plugin cleanliness was checked with.
-
PluginCleaningData
(uint32_t crc, const std::string &utility, const std::vector<MessageContent> &info, unsigned int itm, unsigned int ref, unsigned int nav)¶ Construct a PluginCleaningData object with the given values.
- Return
- A PluginCleaningData object.
- Parameters
crc
: A clean or dirty plugin’s CRC.utility
: The utility that the plugin cleanliness was checked with.info
: A vector of localised information message strings about the plugin cleanliness.itm
: The number of Identical To Master records found in the plugin.ref
: The number of deleted references found in the plugin.nav
: The number of deleted navmeshes found in the plugin.
-
bool
operator<
(const PluginCleaningData &rhs) const¶ A less-than operator implemented with no semantics so that PluginCleaningData objects can be stored in sets.
- Return
- True if this PluginCleaningData‘s CRC is less than the given PluginCleaningData‘s CRC, false otherwise.
-
bool
operator==
(const PluginCleaningData &rhs) const¶ Check if two PluginCleaningData objects are equal by comparing their CRCs.
- Return
- True if the CRCs are equal, false otherwise.
-
uint32_t
GetCRC
() const¶ Get the CRC that identifies the plugin that the cleaning data is for.
- Return
- A CRC-32 checksum.
-
unsigned int
GetITMCount
() const¶ Get the number of Identical To Master records in the plugin.
- Return
- The number of Identical To Master records in the plugin.
-
unsigned int
GetDeletedReferenceCount
() const¶ Get the number of deleted references in the plugin.
- Return
- The number of deleted references in the plugin.
Get the number of deleted navmeshes in the plugin.
- Return
- The number of deleted navmeshes in the plugin.
-
std::string
GetCleaningUtility
() const¶ Get the name of the cleaning utility that was used to check the plugin.
- Return
- A cleaning utility name, possibly related information such as a version number and/or a Markdown-formatted URL to the utility’s download location.
-
std::vector<MessageContent>
GetInfo
() const¶ Get any additional informative message content supplied with the cleaning data, eg. a link to a cleaning guide or information on wild edits or manual cleaning steps.
- Return
- A vector of localised MessageContent objects.
-
MessageContent
ChooseInfo
(const std::string &language) const¶ Choose an info MessageContent object given a preferred language.
- Return
- The MessageContent object for the preferred language, or if one does not exist, the English-language MessageContent object.
- Parameters
language
: The preferred language’s code.
-
-
class
loot::
PluginMetadata
¶ Represents a plugin’s metadata.
Public Functions
-
PluginMetadata
()¶ Construct a PluginMetadata object with a blank plugin name and no metadata.
- Return
- A PluginMetadata object.
-
PluginMetadata
(const std::string &name)¶ Construct a PluginMetadata object with no metadata for a plugin with the given filename.
- Return
- A PluginMetadata object.
- Parameters
name
: The filename of the plugin that the object is constructed for.
-
void
MergeMetadata
(const PluginMetadata &plugin)¶ Merge metadata from the given PluginMetadata object into this object.
If an equal metadata object already exists in this PluginMetadata object, it is not duplicated. This object’s priorities are replaced if the given PluginMetadata object’s priorities are explicit. This object’s enabled state is replaced by the given object’s state.
- Parameters
plugin
: The plugin metadata to merge.
-
PluginMetadata
NewMetadata
(const PluginMetadata &plugin) const¶ Get metadata in this object that isn’t present in the given PluginMetadata object.
- Return
- A PluginMetadata object containing the metadata in this object that is not in the given object. The returned object inherits this object’s enabled state. The returned object also inherits this plugin’s priorities, unless a priority is equal to the given object’s priority, in which case the returned object is given an implicit zero priority instead.
- Parameters
plugin
: The PluginMetadata object to compare against.
-
std::string
GetName
() const Get the plugin name.
- Return
- The plugin name.
-
std::string
GetLowercasedName
() const¶ Get the lowercased plugin name.
- Return
- The lowercased plugin name.
-
bool
IsEnabled
() const¶ Check if the plugin metadata is enabled for use during sorting.
- Return
- True if the metadata will be used during sorting, false otherwise.
-
Priority
GetLocalPriority
() const¶ Get the plugin’s local priority metadata.
- Return
- The plugin’s local priority metadata.
-
Priority
GetGlobalPriority
() const¶ Get the plugin’s global priority metadata.
- Return
- The plugin’s global priority metadata.
-
std::set<File>
GetLoadAfterFiles
() const¶ Get the plugins that the plugin must load after.
- Return
- The plugins that the plugin must load after.
-
std::set<File>
GetRequirements
() const¶ Get the files that the plugin requires to be installed.
- Return
- The files that the plugin requires to be installed.
-
std::set<File>
GetIncompatibilities
() const¶ Get the files that the plugin is incompatible with.
- Return
- The files that the plugin is incompatible with.
-
std::set<Tag>
GetTags
() const¶ Get the plugin’s Bash Tag suggestions.
- Return
- The plugin’s Bash Tag suggestions.
-
std::set<PluginCleaningData>
GetDirtyInfo
() const¶ Get the plugin’s dirty plugin information.
- Return
- The PluginCleaningData objects that identify the plugin as dirty.
-
std::set<PluginCleaningData>
GetCleanInfo
() const¶ Get the plugin’s clean plugin information.
- Return
- The PluginCleaningData objects that identify the plugin as clean.
-
std::set<Location>
GetLocations
() const¶ Get the locations at which this plugin can be found.
- Return
- The locations at which this plugin can be found.
-
std::vector<SimpleMessage>
GetSimpleMessages
(const std::string &language) const¶ Get the plugin’s messages as SimpleMessage objects for the given language.
- Return
- The plugin’s messages as SimpleMessage objects.
- Parameters
language
: The language to create the SimpleMessage objects for.
-
void
SetEnabled
(const bool enabled)¶ Set whether the plugin metadata is enabled for use during sorting or not.
- Parameters
enabled
: The value to set.
-
void
SetLocalPriority
(const Priority &priority)¶ Set the plugin’s local priority.
- Parameters
priority
: The value to set.
-
void
SetGlobalPriority
(const Priority &priority)¶ Set the plugin’s local priority.
- Parameters
priority
: The value to set.
-
void
SetLoadAfterFiles
(const std::set<File> &after)¶ Set the files that the plugin must load after.
- Parameters
after
: The files to set.
-
void
SetRequirements
(const std::set<File> &requirements)¶ Set the files that the plugin requires to be installed.
- Parameters
requirements
: The files to set.
-
void
SetIncompatibilities
(const std::set<File> &incompatibilities)¶ Set the files that the plugin must load after.
- Parameters
incompatibilities
: The files to set.
-
void
SetMessages
(const std::vector<Message> &messages)¶ Set the plugin’s messages.
- Parameters
messages
: The messages to set.
-
void
SetTags
(const std::set<Tag> &tags)¶ Set the plugin’s Bash Tag suggestions.
- Parameters
tags
: The Bash Tag suggestions to set.
-
void
SetDirtyInfo
(const std::set<PluginCleaningData> &info)¶ Set the plugin’s dirty information.
- Parameters
info
: The dirty information to set.
-
void
SetCleanInfo
(const std::set<PluginCleaningData> &info)¶ Set the plugin’s clean information.
- Parameters
info
: The clean information to set.
-
void
SetLocations
(const std::set<Location> &locations)¶ Set the plugin’s locations.
- Parameters
locations
: The locations to set.
-
bool
HasNameOnly
() const¶ Check if no plugin metadata is set.
- Return
- True if the local and global priorities are implicit and the metadata containers are all empty, false otherwise.
-
bool
IsRegexPlugin
() const¶ Check if the plugin name is a regular expression.
- Return
- True if the plugin name contains any of the characters
:\*?|
, false otherwise.
-
bool
operator==
(const PluginMetadata &rhs) const¶ Check if two PluginMetadata objects are equal by comparing their name values.
- Return
- True if the plugin names are case-insensitively equal, false otherwise.
-
bool
operator!=
(const PluginMetadata &rhs) const¶ Check if two PluginMetadata objects are not equal by comparing their name values.
- Return
- True if the plugin names are not case-insensitively equal, false otherwise.
-
bool
operator==
(const std::string &rhs) const¶ Check if object’s name value is equal to the given string.
- Return
- True if the plugin name is case-insensitively equal to the given string, false otherwise.
-
bool
operator!=
(const std::string &rhs) const¶ Check if object’s name value is not equal to the given string.
- Return
- True if the plugin name is not case-insensitively equal to the given string, false otherwise.
-
-
class
loot::
Priority
¶ Represents the priority of a plugin in the load order.
Plugins have a default implicit priority of zero. Lower priority values cause plugins to be loaded earlier, and higher priority values cause plugins to be loaded later.
Public Functions
-
Priority
(const int value)¶ Construct a Priority object with the given priority value.
If the given value is zero, it is marked as being set explicitly. This affects how priority metadata values get merged in PluginMetadata objects.
- Return
- A Priority object.
- Parameters
value
: The priority value to set. The valid range of values is -127 to 127 inclusive, and values passed to the constructor that lie outside this range are clamped. The input type is an int to avoid invalid values from implicitly wrapping around.
-
short
GetValue
() const¶ Get the stored priority value.
- Return
- The priority value. While the valid value range fits in 8 bits, a short is returned to avoid interpreting the value as a character.
-
bool
IsExplicit
() const¶ Check if the priority value is explicit or not.
- Return
- Returns true if the value is non-zero or was explicitly set to zero, and false otherwise.
-
bool
operator>=
(const Priority &rhs) const¶ Check if this Priority object is greater than or equal to another.
-
-
class
loot::
Tag
¶ Represents a Bash Tag suggestion for a plugin.
Inherits from ConditionalMetadata
Public Functions
-
Tag
()¶ Construct a Tag object with an empty tag name suggested for addition, with an empty condition string.
- Return
- A Tag object.
-
Tag
(const std::string &tag, const bool isAddition = true, const std::string &condition = "")¶ Construct a Tag object with the given name, for addition or removal, with the given condition string.
-
bool
operator<
(const Tag &rhs) const¶ A less-than operator implemented with no semantics so that Tag objects can be stored in sets.
-
bool
operator==
(const Tag &rhs) const¶ Check if two Tag objects are equal.
- Return
- True if both Tags are suggested for addition or both are suggested for removal, and the Tag names are case-insensitively equal, false otherwise.
-
bool
IsAddition
() const¶ Check if the tag should be added.
- Return
- True if the tag should be added, false if it should be removed.
-
std::string
GetName
() const Get the tag’s name.
- Return
- The tag’s name.
-
Exceptions¶
-
class
loot::
CyclicInteractionError
¶ An exception class thrown if a cyclic interaction is detected when sorting a load order.
Inherits from runtime_error
Public Functions
-
CyclicInteractionError
(const std::string &firstPlugin, const std::string &lastPlugin, const std::string &backCycle)¶ Construct an exception detailing a plugin graph cycle.
- Parameters
firstPlugin
: A plugin in the cycle.lastPlugin
: Another plugin in the cycle.backCycle
: A string describing the path from lastPlugin to firstPlugin.
-
std::string
getFirstPlugin
()¶ Get the first plugin in the chosen forward path of the cycle.
- Return
- A plugin filename.
-
std::string
getLastPlugin
()¶ Get the first plugin in the chosen forward path of the cycle.
- Return
- A plugin filename.
-
std::string
getBackCycle
()¶ Get a description of the reverse path from the chosen last plugin to the chosen first plugin of the cycle.
- Return
- A string describing a path between two plugins in the plugin graph.
-
-
class
loot::
GitStateError
¶ An exception class thrown if an error occurs when performing an operation on a Git repository due to invalid state.
Inherits from logic_error
-
class
loot::
ConditionSyntaxError
¶ An exception class thrown if invalid syntax is encountered when parsing a metadata condition.
Inherits from runtime_error
-
class
loot::
FileAccessError
¶ An exception class thrown if an error is encountered while reading or writing a file.
Inherits from runtime_error
Error Categories¶
LOOT uses error category objects to identify errors with codes that originate in lower-level libraries.
-
const std::error_category &
loot::
libloadorder_category
()¶ Get the error category that can be used to identify system_error exceptions that are due to libloadorder errors.
- Return
- A reference to the static object of unspecified runtime type, derived from std::error_category.
-
const std::error_category &
loot::
libgit2_category
()¶ Get the error category that can be used to identify system_error exceptions that are due to libgit2 errors.
- Return
- A reference to the static object of unspecified runtime type, derived from std::error_category.
Credits¶
The LOOT API is written by WrinklyNinja in C++ and makes use of the Boost, libespm, libgit2, libloadorder, Pseudosem and yaml-cpp libraries. The copyright licenses for all of these and the LOOT API itself in Copyright License Texts.
Version History¶
0.12.5 - 2018-02-17¶
Changed¶
- Updated esplugin to v1.0.9.
- Updated libgit2 to v0.26.3. This enables TLS 1.2 support on Windows 7, so users shouldn’t need to manually enable it themselves.
0.12.4 - 2018-02-17¶
Fixed¶
- Loading or saving a load order could be very slow because the plugins directory was scanned recursively, which is unnecessary. In the reported case, this fix caused saving a load order to go from 23 seconds to 43 milliseconds (via libloadorder).
- Plugin parsing errors were being logged with trace severity, they are now logged as errors.
- Saving a load order for Oblivion, Fallout 3 or Fallout: New Vegas now updates plugin access times to the current time for correctness (via libloadorder).
Changed¶
GameInterface::SetLoadOrder()
now errors if passed a load order that does not contain all installed plugins. The previous behaviour was to append any missing plugins, but this was undefined and could cause unexpected results (via libloadorder).- Performance improvements for load order operations, benchmarked at 2x to 150x faster (via libloadorder).
- Updated mentions of libespm in error messages to mention esplugin instead.
- Updated libloadorder to v11.0.1.
- Updated spdlog to v0.16.3.
0.12.3 - 2018-02-04¶
Added¶
- Support for Fallout 4 VR via the new
loot::GameType::fo4vr
game type.
Fixed¶
loot::CreateGameHandle()
no longer accepts an empty game path string, and no longer has a default value for its game path parameter, as using an empty string as the game path is invalid and always causes an exception to be thrown.
Changed¶
- Added an empty string as the default value of
loot::InitialiseLocale()
‘s string parameter. - Updated esplugin to v1.0.8.
- Updated libloadorder to v10.1.0.
0.12.2 - 2017-12-24¶
Fixed¶
- Plugins with a
.esp
file extension that have the light master flag set are no longer treated as masters when sorting, so they can have other.esp
files as masters without causing cyclic interaction sorting errors.
Changed¶
- Downgraded Boost to 1.63.0 to take advantage of pre-built binaries on AppVeyor.
0.12.1 - 2017-11-23¶
Added¶
- Support for identifying Creation Club plugins using
Skyrim.ccc
andFallout4.ccc
(via libloadorder).
Changed¶
- Update esplugin to v1.0.7.
- Update libloadorder to v10.0.4.
0.12.0 - 2017-11-03¶
Added¶
- Support for light master (
.esl
) plugins. LoadCurrentLoadOrderState()
inloot::GameInterface
to expose load order cache management to clients, as libloadorder no longer internally manages it.loot::SetLoggingCallback()
to allow clients to handle the LOOT API’s logging statements themselves.- Logging of libloadorder error details.
Changed¶
LoadPlugins()
now loads the current load order state before loading plugins.- Added a condition string field to
SimpleMessage
. - Replaced libespm dependency with esplugin v1.0.6. This significantly improves safety and sorting performance, especially for large load orders.
- Updated libloadorder to v10.0.3. This significantly improves safety and the performance of load order operations, at the expense of exposing cache management to the client.
- Replaced Boost.Log with spdlog v0.14.0, removing dependencies on several other Boost libraries in the process.
- Updated libgit2 to v0.26.0.
- Update Boost to v1.65.1.
Removed¶
DatabaseInterface::EvalLists()
as it was superseded in v0.11.0 by the ability to evaluate conditions when getting general messages and individual plugins’ metadata, which is more efficient.SetLoggingVerbosity()
andSetLogFile()
as they have been superseded by the newloot::SetLoggingCallback()
function.- The
loot/yaml/*
headers containing LOOT’s internal YAML conversion functions are no longer exposed alongside the API headers. - The
loot/windows_encoding_converters.h
header is no longer exposed alongside the API headers.
Fixed¶
- Formatting in metadata documentation.
- Saving metadata wrote entries in an inconsistent order.
- Clang build errors.
0.11.1 - 2017-06-19¶
Fixed¶
- A crash would occur when loading an plugin that had invalid data past its header. Such plugins are now just silently ignored.
loot::CreateGameHandle()
would not resolve game or local data paths that are junction links correctly, which caused problems later when trying to perform actions such as loading plugins.- Performing a masterlist update on a branch where the remote and local histories had diverged would fail. The existing local branch is now discarded and the remote branch checked out anew, as intended.
0.11.0 - 2017-05-13¶
Added¶
- New functions to
loot::DatabaseInterface
: - A
loot::GameInterface
pure abstract class that exposes methods for accessing game-specific functionality. - A
loot::PluginInterface
pure abstract class that exposes methods for accessing plugin file data. - The
loot::SetLoggingVerbosity
andloot::SetLogFile
functions andloot::LogVerbosity
enum for controlling the API’s logging behaviour. - An
loot::InitialiseLocale()
function that must be called to configure the API’s locale before any of its other functionality is used. - LOOT’s internal metadata classes are now exposed as part of the API.
Changed¶
- Renamed
loot::CreateDatabase()
toloot::CreateGameHandle()
, and changed its signature so that it returns a shared pointer to aloot::GameInterface
instead of a shared pointer to aloot::DatabaseInterface
. - Moved
SortPlugins()
intoloot::GameInterface
. - Some
loot::DatabaseInterface
methods are now const: - LOOT’s internal YAML conversion functions have been refactored into the
include/loot/yaml
directory, but they are not really part of the API. They’re only exposed so that they can be shared between the API and LOOT application without introducing another component. - LOOT’s internal string encoding conversion functions have been refactored into
the
include/loot/windows_encoding_converters.h
header, but are not really part of the API. They’re only exposed so that they can be shared between the API and LOOT application without introducing another component. - Metadata is now cached more efficiently, reducing the API’s memory footprint.
- Log timestamps now have microsecond precision.
- Updated to libgit2 v0.25.1.
- Refactored code only useful to the LOOT application out of the API internals and into the application source code.
Removed¶
DatabaseInterface::GetPluginTags()
,DatabaseInterface::GetPluginMessages()
andDatabaseInterface::GetPluginCleanliness()
have been removed as they have been superseded byDatabaseInterface::GetPluginMetadata()
.- The
GameDetectionError
class, as it is no longer thrown by the API. - The
PluginTags
struct, as it is no longer used. - The
LanguageCode
enum, as the API now uses ISO language codes directly instead. - The
PluginCleanliness
enum. as it’s no longer used. Plugin cleanliness should now be checked by getting a plugin’s evaluated metadata and checking if any dirty info is present. If none is present, the cleanliness is unknown. If dirty info is present, check if any of the English info strings contain the text “Do not clean”: if not, the plugin is dirty. - The LOOT API no longer caches the load order, as this is already done more accurately by libloadorder (which is used internally).
Fixed¶
- Libgit2 error details were not being logged.
- A FileAccessError was thrown when the masterlist path was an empty string. The API now just skips trying to load the masterlist in this case.
- Updating the masterlist did not update the cached metadata, requiring a call
to
LoadLists()
. - The reference documentation was broken due to an incompatibility between Sphinx 1.5.x and Breathe 4.4.
0.10.3 - 2017-01-08¶
Added¶
- Automated 64-bit API builds.
Changed¶
- Replaced
std::invalid_argument
exceptions thrown during condition evaluation withConditionSyntaxError
exceptions. - Improved robustness of error handling when calculating file CRCs.
Fixed¶
- Documentation was not generated correctly for enums, exceptions and structs exposed by the API.
- Added missing documentation for
CyclicInteractionError
methods.
0.10.2 - 2016-12-03¶
Changed¶
- Updated libgit2 to 0.24.3.
Fixed¶
- A crash could occur if some plugins that are hardcoded to always load were missing. Fixed by updating to libloadorder v9.5.4.
- Plugin cleaning metadata with no
info
value generated a warning message with no text.
0.10.1 - 2016-11-12¶
No API changes.
0.10.0 - 2016-11-06¶
Added¶
- Support for TES V: Skyrim Special Edition.
Changed¶
- Completely rewrote the API as a C++ API. The C API has been reimplemented as a wrapper around the C++ API, and can be found in a separate repository.
- Windows builds now have a runtime dependency on the MSVC 2015 runtime redistributable.
- Rewrote the API documentation, which is now hosted online at Read The Docs.
- The Windows release archive includes the
.lib
file for compile-time linking. - LOOT now supports v0.10 of the metadata syntax. This breaks compatibility with existing syntax. See the syntax version history for the details.
- Updated libgit2 to 0.24.2.
Removed¶
- The
loot_get_tag_map()
function has no equivalent in the new C++ API as it is obsolete. - The
loot_apply_load_order()
function has no equivalent in the new C++ API as it just passed through to libloadorder, which clients can use directly instead.
Fixed¶
- Database creation was failing when passing paths to symlinks that point to the game and/or game local paths.
- Cached plugin CRCs causing checksum conditions to always evaluate to false.
- Updating the masterlist when the user’s
TEMP
andTMP
environmental variables point to a different drive than the one LOOT is installed on.
0.9.2 - 2016-08-03¶
Changed¶
- libespm (2.5.5) and Pseudosem (1.1.0) dependencies have been updated to the versions given in brackets.
Fixed¶
- The packaging script used to create API archives was packaging the wrong binary, which caused the v0.9.0 and v0.9.1 API releases to actually be re-releases of a snapshot build made at some point between v0.8.1 and v0.9.0: the affected API releases were taken offline once this was discovered.
loot_get_plugin_tags()
remembering results and including them in the results of subsequent calls.- An error occurred when the user’s temporary files directory didn’t exist and updating the masterlist tried to create a directory there.
- Errors when reading some Oblivion plugins during sorting, including the official DLC.
0.9.1 - 2016-06-23¶
No API changes.
0.9.0 - 2016-05-21¶
Changed¶
- Moved API header location to the more standard
include/loot/api.h
. - Documented LOOT’s masterlist versioning system.
- Made all API outputs fully const to make it clear they should not be modified and to avoid internal const casting.
- The
loot_db
type is now an opaque struct, and functions that used to take it as a value now take a pointer to it.
Removed¶
- The
loot_cleanup()
function, as the one string it used to destroy is now stored on the stack and so destroyed when the API is unloaded. - The
loot_lang_any
constant. Theloot_lang_english
constant should be used instead.
0.8.1 - 2015-09-27¶
Changed¶
- Safety checks are now performed on file paths when parsing conditions (paths must not reference a location outside the game folder).
- Updated Boost (1.59.0), libgit2 (0.23.2) and CEF (branch 2454) dependencies.
Fixed¶
- A crash when loading plugins due to lack of thread safety.
- The masterlist updater and validator not checking for valid condition and regex syntax.
- The masterlist updater not working correctly on Windows Vista.
0.8.0 - 2015-07-22¶
Added¶
- Support for metadata syntax v0.8.
Changed¶
- Improved plugin loading performance for computers with weaker multithreading capabilities (eg. non-hyperthreaded dual-core or single-core CPUs).
- LOOT no longer outputs validity warnings for inactive plugins.
- Updated libgit2 to v0.23.0.
Fixed¶
- Many miscellaneous bugs, including initialisation crashes and incorrect metadata input/output handling.
- LOOT silently discarding some non-unique metadata: an error will now occur when loading or attempting to apply such metadata.
- LOOT’s version comparison behaviour for a wide variety of version string formats.
0.7.1 - 2015-06-22¶
Fixed¶
- “No existing load order position” errors when sorting.
- Output of Bash Tag removal suggestions in
loot_write_minimal_list()
.
0.7.0 - 2015-05-20¶
Initial API release.
Introduction¶
The metadata syntax is what LOOT’s masterlists and userlists are written in. If you know YAML, good news: the syntax is essentially just YAML 1.2. If you don’t know YAML, then its Wikipedia page is a good introduction. All you really need to know is:
- How lists and associative arrays (key-value maps) are written.
- That whitespace is important, and that only normal spaces (ie. no non-breaking spaces or tabs) count as such.
- That data entries that are siblings must be indented by the same amount, and child data nodes must be indented further than their parents (see the example later in this document if you don’t understand).
- That YAML files must be written in a Unicode encoding.
- That each key in a key-value map must only appear once per map object.
An important point that is more specific to how LOOT uses YAML:
- Strings are case-sensitive, apart from file paths, regular expressions and checksums.
Some properties of file paths as used by LOOT:
- They are evaluated as paths relative to the game’s Data folder.
- They cannot reference a path outside of the game’s folder structure, ie. they cannot contain the substring
../../
. - Regular expression file paths must be written in the EMCAScript syntax, and they must use
/
for directory separators. - Only the filename of a regex file path may contain non-literal regex syntax, ie. if the filename part of the regex file path is removed, the remainder must be an exact folder path (though with the regex syntax special characters escaped). For example, given the regex file path
Meshes/Resources(1|2)/(upperclass)?table.nif
, LOOT will look for a file namedtable.nif
orupperclasstable.nif
in theMeshes\Resources(1|2)
folder, rather than looking in theMeshes\Resources1
andMeshes\Resources2
folders.
In this document, where a value’s type is given as X list
this is equivalent to a YAML sequence of values which are of the data type X
. Where a value’s type is given as X set
, this is equivalent to a YAML sequence of unique values which are of the data type X
. Uniqueness is determined using the equality criteria for that data type. All the non-standard data types that LOOT’s metadata syntax uses have their equality criteria defined later in this document.
Metadata File Structure¶
The root of a metadata file is a key-value map. LOOT will recognise the following keys, none of which are required. Other keys may also be present, but are not processed by LOOT.
-
bash_tags
string list
A list of Bash Tags that are supported by the masterlist’s game. These Bash Tags are used to provide autocomplete suggestions in LOOT’s metadata editor.
-
globals
message list
A list of message data structures for messages that are displayed independently of any plugin.
-
plugins
plugin list and plugin set
The plugin data structures that hold all the plugin metadata within the file. It is a mixture of a list and a set because no non-regex plugin value may be equal to any other non-regex plugin value , but there may be any number of equal regex plugin values, and non-regex plugin values may be equal to regex plugin values.If multiple plugin values match a single plugin, their metadata is merged in the order the values are listed, and as defined in Merging Behaviour.
The message and plugin data structures are detailed in the next section.
Example¶
bash_tags:
- 'C.Climate'
- 'Relev'
globals:
- type: say
content: 'You are using the latest version of LOOT.'
condition: 'version("LOOT", "0.5.0.0", ==)'
plugins:
- name: 'Armamentarium.esm'
tag:
- Relev
- name: 'ArmamentariumFran.esm'
tag:
- Relev
- name: 'Beautiful People 2ch-Ed.esm'
tag:
- Eyes
- Graphics
- Hair
- R.Relations
Data Structures¶
LOOT expects metadata to be laid out using a certain set of data structures, described in this section.
Tag¶
LOOT metadata files can contain suggestions for the addition or removal of Bash Tags, and this is the structure used for them. It has two forms: a key-value string map and a scalar string.
Map Form¶
-
name
Required. A Bash Tag, prefixed with a minus sign if it is suggested for removal.
-
condition
A condition string that is evaluated to determine whether this Bash Tag should be suggested: if it evaluates to true, the Tag is suggested, otherwise it is ignored. See Condition Strings for details. If undefined, defaults to an empty string.
Scalar Form¶
The scalar form is simply the value of the map form’s name
key. Using the scalar form is equivalent to using the map form with an undefined condition
key.
Equality¶
Two tag data structures are equal if the lowercased values of their name
keys are identical.
Examples¶
Scalar form:
Relations
Map form:
name: -Relations
condition: 'file("Mart''s Monster Mod for OOO.esm") or file("FCOM_Convergence.esm")'
File¶
This structure can be used to hold file paths. It has two forms: a key-value string map and a scalar string.
Map Form¶
-
name
Required. An exact (ie. not regex) file path or name.
-
display
A substitute string to be displayed instead of the file path in any generated messages, eg. the name of the mod the file belongs to. If undefined, the
name
key’s value is used.
-
condition
A condition string that is evaluated to determine whether this file data should be used: if it evaluates to true, the data is used, otherwise it is ignored. See Condition Strings for details.
Scalar Form¶
The scalar form is simply the value of the map form’s name
key. Using the scalar form is equivalent to using the map form with undefined display
and condition
keys.
Equality¶
Two file data structures are equal if the lowercased values of their name
keys are identical.
Examples¶
Scalar form:
'../obse_loader.exe'
Map form:
name: '../obse_loader.exe'
condition: 'version("../obse_loader.exe", "0.0.18.0", >=)'
display: 'OBSE v18+'
Localised Content¶
The localised content data structure is a key-value string map.
-
text
Required. The actual message content string.
-
lang
Required. The language that
text
is written in, given as a code of the formll
orll_CC
, wherell
is an ISO 639-1 language code andCC
is an ISO 3166 country code. For example,Language Code Brazilian Portuguese pt_BR Chinese zh_CN Danish da English en Finnish fi French fr German de Korean ko Polish pl Russian ru Spanish es Swedish sv
Message¶
Messages are given as key-value maps.
-
type
string
Required. The type string can be one of three keywords.
-
say
A generic message, useful for miscellaneous notes.
-
warn
A warning message, describing a non-critical issue with the user’s mods (eg. dirty mods).
-
error
An error message, decribing a critical installation issue (eg. missing masters, corrupt plugins).
-
-
content
string
orlocalised content list
Required. Either simply a string, or a list of localised content data structures. If the latter, one of the structures must be for English.
-
condition
string
A condition string that is evaluated to determine whether the message should be displayed: if it evaluates to true, the message is displayed, otherwise it is not. See Condition Strings for details.
-
subs
string list
A list of strings to be substituted into the message content string. The content string must use numbered specifiers (
%1%
,%2%
, etc.), where the numbers correspond to the position of the substitution string in this list to use, to denote where these strings are to be substituted.
Message Formatting¶
LOOT supports formatting of messages using GitHub Flavored Markdown. Support is provided by the Marked library (v0.3). Strings that get substituted into messages, such as file display names and cleaning data utility strings, also support the same formatting options.
Language Support¶
If a message’s content
value is a string, the message will use the string as its content if displayed. Otherwise, the first localised content structure with a language that matches LOOT’s current language will be used as the message’s content if displayed. If there are no matches, then the first structure in English will be used.
Equality¶
The equality of two message data structures is determined by comparing the values of their content
keys. As the values of the keys can be different types, a comparison value is selected for each message using the following logic:
- If a value’s type is a localised content list, then the English content string in that list is selected as the comparison value.
- If a value’s type is a string, then that string is selected as the comparison value.
The two message data structures are then equal if their lowercased comparison values are identical.
Examples¶
Translations by Google
type: say
condition: 'file("foo.esp")'
content:
- lang: en
text: 'An example link: <http://www.example.com>'
- lang: ru
text: 'Это пример ссылки: <http://www.example.com>'
would be displayed as
отмечать: Это пример ссылки: http://www.example.com
if the current language was Russian and foo.esp
was installed, while
type: say
content: 'An alternative [example link](http://www.example.com), with no translations.'
would be displayed as
отмечать: An alternative example link, with no translations.
In English,
type: say
content: 'A newer version of %1% [is available](%2%).'
subs:
- 'this plugin'
- 'http://www.example.com'
would be displayed as
Note: A newer version of this plugin is available.
Location¶
This data structure is used to hold information on where a plugin is hosted online. It has two forms: a key-value string map and a scalar string.
Map Form¶
-
link
Required. A URL at which the plugin is found.
-
name
A descriptive name for the URL, which may be used as hyperlink text. If undefined, defaults to an empty string.
Scalar Form¶
The scalar form is simply the value of the map form’s link
key. Using the scalar form is equivalent to using the map form with an undefined name
key.
Equality¶
Two location data structures are equal if the lowercased values of their link
keys are identical.
Examples¶
Scalar form:
'http://skyrim.nexusmods.com/mods/19/'
Map form:
link: 'https://steamcommunity.com/sharedfiles/filedetails/?id=419668499'
name: 'Unofficial Skyrim Patch on Steam Workshop'
Cleaning Data¶
This structure holds information on which versions of a plugin are dirty or clean, and if dirty, how many identical-to-master records, deleted records and deleted navmeshes (if applicable) it contains. Cleaning data is given as a key-value map.
-
crc
hexadecimal integer
Required. The CRC-32 checksum of the plugin. If the plugin is dirty, this needs to be the CRC of the plugin before before cleaning. LOOT displays the CRCs of installed plugins in its report. The 8-character CRC should be preceded by
0x
so that it is interpreted correctly.
-
util
string
Required. The utility that was used to check the plugin for dirty edits. If available, the version of the utility used should also be included (e.g.
TES5Edit v3.11
).
-
info
string
orlocalised content list
A message that will be displayed to the user. If a localised content list is provided, one of the structures must be for English. This is only used if the plugin is dirty, and is intended for providing cleaning instructions to the user. If undefined, defaults to an empty string.
-
itm
integer
The number of identical-to-master records reported for the dirty plugin. If undefined, defaults to zero.
-
udr
integer
The number of undeleted records reported for the dirty plugin. If undefined, defaults to zero.
-
nav
integer
The number of deleted navmeshes reported for the dirty plugin. If undefined, defaults to zero.
Equality¶
Two cleaning data structures are equal if the values of their crc
keys are identical.
Examples¶
A dirty plugin:
crc: 0x3DF62ABC
util: '[TES5Edit](http://www.nexusmods.com/skyrim/mods/25859) v3.1.1'
info: 'A cleaning guide is available [here](http://www.creationkit.com/index.php?title=TES5Edit_Cleaning_Guide_-_TES5Edit).'
itm: 4
udr: 160
A clean plugin:
crc: 0x2ABC3DF6
util: '[TES5Edit](http://www.nexusmods.com/skyrim/mods/25859) v3.1.1'
Plugin¶
This is the structure that brings all the others together, and forms the main component of a metadata file. It is a key-value map.
-
name
string
Required. Can be an exact plugin filename or a regular expression plugin filename. If the filename contains any of the characters
:\*?|
, the string will be treated as a regular expression, otherwise it will be treated as an exact filename. For example,Example\.esm
will be treated as a regular expression, as it contains a\
character.
-
enabled
boolean
Enables or disables use of the plugin object. Used for user rules, but no reason to use it in the masterlist. If unspecified, defaults to
true
.
-
priority
integer
Modifies plugin position relative to others that change one or more of the same records, but which are otherwise unrelated (ie. neither plugin lists the other as a master, requirement, or in its
after
list). Plugins that don’t change any of the same records are not compared, unless one of the plugins contains only a header record.A plugin with a higher
priority
value will load after a plugin with a lowerpriority
value. The value can be anything in the range-127
to127
inclusive, and if unspecified defaults to0
.
-
global_priority
integer
Modifies plugin position relative to all unrelated plugins (ie. neither plugin lists the other as a master, requirement, or in its
after
list).A plugin with a higher
global_priority
value will load after a plugin with a lower priority value. The value can be anything in the range-127
to127
inclusive, and if unspecified defaults to0
.global_priority
takes precedence overpriority
when comparing two plugins’ priorities: thepriority
value is only compared if the two plugins have the sameglobal_priority
value.
-
after
file set
Plugins that this plugin must load after, but which are not dependencies. Used to resolve specific compatibility issues. If undefined, the set is empty.
-
req
file set
Files that this plugin requires to be present. This plugin will load after any plugins listed. If any of these files are missing, an error message will be displayed. Intended for use specifying implicit dependencies, as LOOT will detect a plugin’s explicit masters itself. If undefined, the set is empty.
-
inc
file set
Files that this plugin is incompatible with. If any of these files are present, an error message will be displayed. If undefined, the set is empty.
-
msg
message list
The messages attached to this plugin. The messages will be displayed in the order that they are listed. If undefined, the list is empty.
-
tag
tag set
Bash Tags suggested for this plugin. If a Bash Tag is suggested for both addition and removal, the latter will override the former when the list is evaluated. If undefined, the set is empty.
-
url
location set
An unordered set of locations for this plugin. If the same version can be found at multiple locations, only one location should be recorded. If undefined, the set is empty. This metadata is not currently used by LOOT.
-
dirty
cleaning data set
Cleaning data for this plugin, identifying dirty plugins. Plugin entries with regular expression filenames must not contain cleaning data.
-
clean
cleaning data set
An unordered set of cleaning data structures for this plugin, identifying clean plugins. Plugin entries with regular expression filenames must not contain cleaning data. The
itm
,udr
andnav
fields are unused in this context, as they’re assumed to be zero.
Equality¶
The equality of two plugin data structures is determined by comparing the values of their name
keys.
- If neither or both values are regular expressions, then the plugin data structures are equal if the lowercased values are identical.
- If one value is a regular expression, then the plugin data structures are equal if the other value is an exact match for it.
Merging Behaviour¶
Key | Merge Behaviour (merging B into A) |
---|---|
name | Not merged. |
enabled | Replaced by B’s value. |
priority | Replaced by B’s value, unless that value is 0 and it was not explicitly set. |
global_priority | Replaced by B’s value, unless that value is 0 and it was not explicitly set. |
after | Merged. If B’s file set contains an item that is equal to one already present in A’s file set, B’s item is discarded. |
req | Merged. If B’s file set contains an item that is equal to one already present in A’s file set, B’s item is discarded. |
inc | Merged. If B’s file set contains an item that is equal to one already present in A’s file set, B’s item is discarded. |
msg | Merged. If B’s message list contains an item that is equal to one already present in A’s message list, B’s item is discarded. |
tag | Merged.If B’s tag set contains an item that is equal to one already present in A’s tag set, B’s item is discarded. |
url | Merged. If B’s location set contains an item that is equal to one already present in A’s location set, B’s item is discarded. |
dirty | Merged.If B’s dirty data set contain an item that is equal to one already present in A’s dirty data set, B’s item is discarded. |
clean | Merged. If B’s clean data set contain an item that is equal to one already present in A’s clean data set, B’s item is discarded. |
Examples¶
name: 'Oscuro''s_Oblivion_Overhaul.esm'
req:
- 'Oblivion.esm' # Don't do this, Oblivion.esm is a master of Oscuro's_Oblivion_Overhaul.esm, so LOOT already knows it's required.
- name: 'example.esp'
display: '[Example Mod](http://www.example.com)'
condition: 'version("Oscuro''s_Oblivion_Overhaul.esm", "15.0", ==)'
tag:
- Actors.Spells
- Graphics
- Invent
- Relations
- Scripts
- Stats
- name: -Relations
condition: 'file("Mart''s Monster Mod for OOO.esm") or file("FCOM_Convergence.esm")'
msg:
- type: say
content: 'Do not clean. "Dirty" edits are intentional and required for the mod to function.'
Condition Strings¶
Condition strings can be used to ensure that data is only acted on by LOOT under certain circumstances. They are very similar to boolean conditional expressions in programming languages such as Python, though more limited.
Omitting optional parentheses (see below), their EBNF grammar is:
compound_condition ::= condition, { ( logical_and | logical_or ), condition } condition ::= [ logical_not ], function logical_and ::= "and" logical_or ::= "or" logical_not ::= "not"
Types¶
-
file_path
A double-quoted file path, or
"LOOT"
, which references the LOOT executable being run.
-
regular_expression
A double-quoted regular expression string to match file paths to.
-
checksum
A string of hexadecimal digits representing an unsigned integer that is the data checksum of a file. LOOT displays the checksums of plugins in its user interface after running.
-
version
A double-quoted string of characters representing the version of a plugin or executable. LOOT displays the versions of plugins in its user interface after running.
-
comparison_operator
One of the following comparison operators.
-
==
Is equal to
-
!=
Is not equal to
-
<
Is less than
-
>
Is greater than
-
<=
Is less than or equal to
-
>=
Is greater than or equal to
-
Functions¶
There are several conditions that can be tested for using the functions detailed below. All functions return a boolean. For functions that take a path or regex, the argument is treated as regex if it contains any of the characters :\*?|
.
-
file(file_path path)
Returns true if
path
is installed, and false otherwise.
-
file(regular_expression regex)
Returns true if a file matching
regex
is found, and false otherwise.
-
active(file_path path)
Returns true if
path
is an active plugin, and false otherwise.
-
active(regular_expression regex)
Returns true if an active plugin matching
regex
is found, and false otherwise.
-
many(regular_expression regex)
Returns true if more than one file matching
regex
is found, and false otherwise.
-
many_active(regular_expression regex)
Returns true if more than one active plugin matching
regex
is found, and false otherwise.
-
checksum(file_path path, checksum expected_checksum)
Returns true if the calculated CRC-32 checksum of
path
matchesexpected_checksum
, and false otherwise. Returns false ifpath
does not exist.
-
version(file_path path, version given_version, comparison_operator comparator)
Returns true if the boolean expression:
actual_version comparator given_version
(where
actual version
is the version read frompath
) holds true, and false otherwise. Ifpath
does not exist or does not have a version number, its version is assumed to be0
.The comparison uses the precedence rules defined by Semantic Versioning, extended to allow leading zeroes, an arbitrary number of release version numbers, case-insensitivity and a wider range of separator characters.
Logical Operators¶
The and
, or
and not
operators have their usual definitions, except that the not
operator only ever operates on the result of the function immediately following it.
Order of Evaluation¶
Condition strings are evaluated according to the usual C-style operator precedence rules, and parentheses can be used to override these rules. For example:
function and function or not function
is evaluated as:
( function and function ) or ( not function )
but:
function and ( function or not function )
is evaluated as:
function and ( function or ( not function ) )
Parentheses cannot be used between a not
operator and the function following it.
Performance¶
LOOT caches the results of condition evaluations. A regular expression check will still take longer than a file check though, so use the former only when appropriate to do so.
Version History¶
The version history of the metadata syntax is given below.
0.10 - 2016-11-06¶
Added¶
- The
clean
key to the plugin data structure. - The
global_priority
field to the plugin data structure. - The
many_active()
condition function. - The
info
key to the cleaning data structure.
Changed¶
- Renamed the
str
key in the localised content data structure totext
. - The
priority
field of the plugin data structure now stores values between -127 and 127 inclusive. - Regular expressions no longer accept
\
as a directory separator:/
must now be used. - The
file()
condition function now also accepts a regular expression. - The
active()
condition function to also accept a regular expression. - Renamed the dirty info data structure to the cleaning data structure.
Removed¶
- The
regex()
condition function, as it has been obsoleted by thefile()
function’s new regex support.
0.8 - 2015-07-22¶
Added¶
- The
name
key to the location data structure. - The
many("regex")
condition function. - The documentation now defines the equality criteria for all of the metadata syntax’s non-standard data structures.
Changed¶
- Detection of regular expression plugin entries. Previously, a plugin entry was treated as having a regular expression filename if the filename ended with
\.esp
or\.esp
. Now, a plugin entry is treated as having a regular expression filename if the filename contains one or more of:\*?|
.
Removed¶
- Removed the
ver
key in the location data structure.
Fixed¶
- The documentation gave the values of the
after
,req
,inc
,tag
,url
anddirty
keys as lists, when they have always been sets.
0.7 - 2015-05-20¶
Added¶
- The message string substitution key, i.e.
sub
, in the message data structure. - Support for YAML merge keys, i.e.
<<
.
Changed¶
- Messages may now be formatted using most of GitHub Flavored Markdown, minus the GitHub-specific features (like @mentions, issue/repo linking and emoji).
0.6 - 2014-07-05¶
No changes.
0.5 - 2014-03-31¶
Initial release.
Copyright Notice¶
LOOT and its API are distributed under the GNU General Public License v3.0. The documentation is distributed under the GNU Free Documentation License v1.3. The full texts of both licenses are included in Copyright License Texts.
While the GPL license allows anyone to make derivative works of LOOT, the LOOT Team encourages those thinking of doing so to first discuss their reasoning for such an endeavour with the Team. It may be that what the derivative work would do differently is already planned for a future version of LOOT or would be happily integrated into LOOT, thus avoiding any extra effort by others.
LOOT has been specifically designed to prevent it being locked into the LOOT Team’s official masterlist repositories. Nevertheless, the LOOT Team appeals to the community to avoid the distribution of unofficial masterlists, as this would only hamper the effort to create one set of stores for load order information. Any issues with a masterlist are best brought to the attention of the LOOT Team so that they may be remedied.
GNU Free Documentation License Version 1.3 Notice:
Copyright (C) 2012—2016 WrinklyNinja
Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
A copy of the license is included in Copyright License Texts.
Copyright License Texts¶
Contents
Boost¶
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Note that the only valid version of the GPL as far as this project
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END OF TERMS AND CONDITIONS
How to Apply These Terms to Your New Programs
If you develop a new program, and you want it to be of the greatest
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<one line to give the program's name and a brief idea of what it does.>
Copyright (C) <year> <name of author>
This program is free software; you can redistribute it and/or modify
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the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
Also add information on how to contact you by electronic and paper mail.
If the program is interactive, make it output a short notice like this
when it starts in an interactive mode:
Gnomovision version 69, Copyright (C) year name of author
Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
This is free software, and you are welcome to redistribute it
under certain conditions; type `show c' for details.
The hypothetical commands `show w' and `show c' should show the appropriate
parts of the General Public License. Of course, the commands you use may
be called something other than `show w' and `show c'; they could even be
mouse-clicks or menu items--whatever suits your program.
You should also get your employer (if you work as a programmer) or your
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necessary. Here is a sample; alter the names:
Yoyodyne, Inc., hereby disclaims all copyright interest in the program
`Gnomovision' (which makes passes at compilers) written by James Hacker.
<signature of Ty Coon>, 1 April 1989
Ty Coon, President of Vice
This General Public License does not permit incorporating your program into
proprietary programs. If your program is a subroutine library, you may
consider it more useful to permit linking proprietary applications with the
library. If this is what you want to do, use the GNU Library General
Public License instead of this License.
----------------------------------------------------------------------
The bundled ZLib code is licensed under the ZLib license:
Copyright (C) 1995-2010 Jean-loup Gailly and Mark Adler
This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
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in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
Jean-loup Gailly Mark Adler
jloup@gzip.org madler@alumni.caltech.edu
----------------------------------------------------------------------
The priority queue implementation is based on code licensed under the
Apache 2.0 license:
Copyright 2010 Volkan Yazıcı <volkan.yazici@gmail.com>
Copyright 2006-2010 The Apache Software Foundation
The full text of the Apache 2.0 license is available at:
http://www.apache.org/licenses/LICENSE-2.0
----------------------------------------------------------------------
The Clay framework is licensed under the MIT license:
Copyright (C) 2011 by Vicent Marti
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
----------------------------------------------------------------------
The regex library (deps/regex/) is licensed under the GNU LGPL
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That's all there is to it!
LOOT API, Libespm & Libloadorder¶
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or that patent license was granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or limiting
any implied license or other defenses to infringement that may
otherwise be available to you under applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order, agreement or
otherwise) that contradict the conditions of this License, they do not
excuse you from the conditions of this License. If you cannot convey a
covered work so as to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a consequence you may
not convey it at all. For example, if you agree to terms that obligate you
to collect a royalty for further conveying from those to whom you convey
the Program, the only way you could satisfy both those terms and this
License would be to refrain entirely from conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you have
permission to link or combine any covered work with a work licensed
under version 3 of the GNU Affero General Public License into a single
combined work, and to convey the resulting work. The terms of this
License will continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General Public License,
section 13, concerning interaction through a network will apply to the
combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or new versions of
the GNU General Public License from time to time. Such new versions will
be similar in spirit to the present version, but may differ in detail to
address new problems or concerns.
Each version is given a distinguishing version number. If the
Program specifies that a certain numbered version of the GNU General
Public License "or any later version" applies to it, you have the
option of following the terms and conditions either of that numbered
version or of any later version published by the Free Software
Foundation. If the Program does not specify a version number of the
GNU General Public License, you may choose any version ever published
by the Free Software Foundation.
If the Program specifies that a proxy can decide which future
versions of the GNU General Public License can be used, that proxy's
public statement of acceptance of a version permanently authorizes you
to choose that version for the Program.
Later license versions may give you additional or different
permissions. However, no additional obligations are imposed on any
author or copyright holder as a result of your choosing to follow a
later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY
APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT
HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY
OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO,
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
IS WITH YOU. SHOULD THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF
ALL NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR CONVEYS
THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE
USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF
DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability provided
above cannot be given local legal effect according to their terms,
reviewing courts shall apply local law that most closely approximates
an absolute waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability accompanies a
copy of the Program in return for a fee.
END OF TERMS AND CONDITIONS
LOOT API Documentation¶
GNU Free Documentation License
Version 1.3, 3 November 2008
Copyright (C) 2000, 2001, 2002, 2007, 2008 Free Software Foundation, Inc.
<http://fsf.org/>
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
0. PREAMBLE
The purpose of this License is to make a manual, textbook, or other
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assure everyone the effective freedom to copy and redistribute it,
with or without modifying it, either commercially or noncommercially.
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This License is a kind of "copyleft", which means that derivative
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complements the GNU General Public License, which is a copyleft
license designed for free software.
We have designed this License in order to use it for manuals for free
software, because free software needs free documentation: a free
program should come with manuals providing the same freedoms that the
software does. But this License is not limited to software manuals;
it can be used for any textual work, regardless of subject matter or
whether it is published as a printed book. We recommend this License
principally for works whose purpose is instruction or reference.
1. APPLICABILITY AND DEFINITIONS
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contains a notice placed by the copyright holder saying it can be
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title either is precisely XYZ or contains XYZ in parentheses following
text that translates XYZ in another language. (Here XYZ stands for a
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of such a section when you modify the Document means that it remains a
section "Entitled XYZ" according to this definition.
The Document may include Warranty Disclaimers next to the notice which
states that this License applies to the Document. These Warranty
Disclaimers are considered to be included by reference in this
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implication that these Warranty Disclaimers may have is void and has
no effect on the meaning of this License.
2. VERBATIM COPYING
You may copy and distribute the Document in any medium, either
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when you begin distribution of Opaque copies in quantity, to ensure
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It is requested, but not required, that you contact the authors of the
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the conditions of sections 2 and 3 above, provided that you release
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unless they release you from this requirement.
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and required Cover Texts given in the Document's license notice.
H. Include an unaltered copy of this License.
I. Preserve the section Entitled "History", Preserve its Title, and add
to it an item stating at least the title, year, new authors, and
publisher of the Modified Version as given on the Title Page. If
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stating the title, year, authors, and publisher of the Document as
given on its Title Page, then add an item describing the Modified
Version as stated in the previous sentence.
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public access to a Transparent copy of the Document, and likewise
the network locations given in the Document for previous versions
it was based on. These may be placed in the "History" section.
You may omit a network location for a work that was published at
least four years before the Document itself, or if the original
publisher of the version it refers to gives permission.
K. For any section Entitled "Acknowledgements" or "Dedications",
Preserve the Title of the section, and preserve in the section all
the substance and tone of each of the contributor acknowledgements
and/or dedications given therein.
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unaltered in their text and in their titles. Section numbers
or the equivalent are not considered part of the section titles.
M. Delete any section Entitled "Endorsements". Such a section
may not be included in the Modified Version.
N. Do not retitle any existing section to be Entitled "Endorsements"
or to conflict in title with any Invariant Section.
O. Preserve any Warranty Disclaimers.
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of these sections as invariant. To do this, add their titles to the
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passage of up to 25 words as a Back-Cover Text, to the end of the list
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and any sections Entitled "Dedications". You must delete all sections
Entitled "Endorsements".
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You may make a collection consisting of the Document and other
documents released under this License, and replace the individual
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that is included in the collection, provided that you follow the rules
of this License for verbatim copying of each of the documents in all
other respects.
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distribute it individually under this License, provided you insert a
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document.
7. AGGREGATION WITH INDEPENDENT WORKS
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and independent documents or works, in or on a volume of a storage or
distribution medium, is called an "aggregate" if the copyright
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derivative works of the Document.
If the Cover Text requirement of section 3 is applicable to these
copies of the Document, then if the Document is less than one half of
the entire aggregate, the Document's Cover Texts may be placed on
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electronic equivalent of covers if the Document is in electronic form.
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8. TRANSLATION
Translation is considered a kind of modification, so you may
distribute translations of the Document under the terms of section 4.
Replacing Invariant Sections with translations requires special
permission from their copyright holders, but you may include
translations of some or all Invariant Sections in addition to the
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translation of this License, and all the license notices in the
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of those notices and disclaimers. In case of a disagreement between
the translation and the original version of this License or a notice
or disclaimer, the original version will prevail.
If a section in the Document is Entitled "Acknowledgements",
"Dedications", or "History", the requirement (section 4) to Preserve
its Title (section 1) will typically require changing the actual
title.
9. TERMINATION
You may not copy, modify, sublicense, or distribute the Document
except as expressly provided under this License. Any attempt
otherwise to copy, modify, sublicense, or distribute it is void, and
will automatically terminate your rights under this License.
However, if you cease all violation of this License, then your license
from a particular copyright holder is reinstated (a) provisionally,
unless and until the copyright holder explicitly and finally
terminates your license, and (b) permanently, if the copyright holder
fails to notify you of the violation by some reasonable means prior to
60 days after the cessation.
Moreover, your license from a particular copyright holder is
reinstated permanently if the copyright holder notifies you of the
violation by some reasonable means, this is the first time you have
received notice of violation of this License (for any work) from that
copyright holder, and you cure the violation prior to 30 days after
your receipt of the notice.
Termination of your rights under this section does not terminate the
licenses of parties who have received copies or rights from you under
this License. If your rights have been terminated and not permanently
reinstated, receipt of a copy of some or all of the same material does
not give you any rights to use it.
10. FUTURE REVISIONS OF THIS LICENSE
The Free Software Foundation may publish new, revised versions of the
GNU Free Documentation License from time to time. Such new versions
will be similar in spirit to the present version, but may differ in
detail to address new problems or concerns. See
http://www.gnu.org/copyleft/.
Each version of the License is given a distinguishing version number.
If the Document specifies that a particular numbered version of this
License "or any later version" applies to it, you have the option of
following the terms and conditions either of that specified version or
of any later version that has been published (not as a draft) by the
Free Software Foundation. If the Document does not specify a version
number of this License, you may choose any version ever published (not
as a draft) by the Free Software Foundation. If the Document
specifies that a proxy can decide which future versions of this
License can be used, that proxy's public statement of acceptance of a
version permanently authorizes you to choose that version for the
Document.
11. RELICENSING
"Massive Multiauthor Collaboration Site" (or "MMC Site") means any
World Wide Web server that publishes copyrightable works and also
provides prominent facilities for anybody to edit those works. A
public wiki that anybody can edit is an example of such a server. A
"Massive Multiauthor Collaboration" (or "MMC") contained in the site
means any set of copyrightable works thus published on the MMC site.
"CC-BY-SA" means the Creative Commons Attribution-Share Alike 3.0
license published by Creative Commons Corporation, a not-for-profit
corporation with a principal place of business in San Francisco,
California, as well as future copyleft versions of that license
published by that same organization.
"Incorporate" means to publish or republish a Document, in whole or in
part, as part of another Document.
An MMC is "eligible for relicensing" if it is licensed under this
License, and if all works that were first published under this License
somewhere other than this MMC, and subsequently incorporated in whole or
in part into the MMC, (1) had no cover texts or invariant sections, and
(2) were thus incorporated prior to November 1, 2008.
The operator of an MMC Site may republish an MMC contained in the site
under CC-BY-SA on the same site at any time before August 1, 2009,
provided the MMC is eligible for relicensing.
Pseudosem¶
The MIT License (MIT)
Copyright (c) 2015 Oliver Hamlet
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
yaml-cpp¶
Copyright (c) 2008 Jesse Beder.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.