pollymc/logic/minecraft/Library.h

#pragma once
#include <QString>
#include <QPair>
#include <QList>
#include <QStringList>
#include <QMap>
#include <QDir>
#include <QUrl>
#include <memory>

#include "Rule.h"
#include "minecraft/OpSys.h"
#include "GradleSpecifier.h"
#include "net/URLConstants.h"

struct MojangLibraryDownloadInfo;
class Library;

typedef std::shared_ptr<Library> LibraryPtr;

class Library
{
	friend class OneSixVersionFormat;
	friend class MojangVersionFormat;
public:
	Library()
	{
	}
	Library(const QString &name)
	{
		m_name = name;
	}
	/// limited copy without some data. TODO: why?
	static LibraryPtr limitedCopy(LibraryPtr base)
	{
		auto newlib = std::make_shared<Library>();
		newlib->m_name = base->m_name;
		newlib->m_base_url = base->m_base_url;
		newlib->m_hint = base->m_hint;
		newlib->m_absolute_url = base->m_absolute_url;
		newlib->extract_excludes = base->extract_excludes;
		newlib->m_native_classifiers = base->m_native_classifiers;
		newlib->m_rules = base->m_rules;
		newlib->m_storagePrefix = base->m_storagePrefix;
		return newlib;
	}

public: /* methods */
	/// Returns the raw name field
	const GradleSpecifier & rawName() const
	{
		return m_name;
	}

	void setRawName(const GradleSpecifier & spec)
	{
		m_name = spec;
	}

	void setClassifier(const QString & spec)
	{
		m_name.setClassifier(spec);
	}

	/// returns the full group and artifact prefix
	QString artifactPrefix() const
	{
		return m_name.artifactPrefix();
	}

	/// get the artifact ID
	QString artifactId() const
	{
		return m_name.artifactId();
	}

	/// get the artifact version
	QString version() const
	{
		return m_name.version();
	}

	/// Returns true if the library is native
	bool isNative() const
	{
		return m_native_classifiers.size() != 0;
	}

	void setStoragePrefix(QString prefix = QString());

	/// the default storage prefix used by MultiMC
	static QString defaultStoragePrefix();

	bool storagePathIsDefault() const;

	/// Get the prefix - root of the storage to be used
	QString storagePrefix() const;

	/// Get the relative path where the library should be saved
	QString storageSuffix() const;

	/// Get the absolute path where the library should be saved
	QString storagePath() const;

	/// Set the url base for downloads
	void setBaseUrl(const QString &base_url)
	{
		m_base_url = base_url;
	}

	/// List of files this library describes. Required because of platform-specificness of native libs
	QStringList files() const;

	/// List Shortcut for checking if all the above files exist
	bool filesExist(const QDir &base) const;

	void setAbsoluteUrl(const QString &absolute_url)
	{
		m_absolute_url = absolute_url;
	}

	QString absoluteUrl() const
	{
		return m_absolute_url;
	}

	void setHint(const QString &hint)
	{
		m_hint = hint;
	}

	QString hint() const
	{
		return m_hint;
	}

	/// Set the load rules
	void setRules(QList<std::shared_ptr<Rule>> rules)
	{
		m_rules = rules;
	}

	/// Returns true if the library should be loaded (or extracted, in case of natives)
	bool isActive() const;

	/// Get the URL to download the library from
	QString url() const;

protected: /* data */
	/// the basic gradle dependency specifier.
	GradleSpecifier m_name;
	/// where to store the lib locally
	QString m_storage_path;
	/// is this lib actually active on the current OS?
	bool m_is_active = false;

	/// DEPRECATED URL prefix of the maven repo where the file can be downloaded
	QString m_base_url;

	/// DEPRECATED: MultiMC-specific absolute URL. takes precedence over the implicit maven repo URL, if defined
	QString m_absolute_url;

	/**
	 * MultiMC-specific type hint - modifies how the library is treated
	 */
	QString m_hint;

	/**
	 * storage - by default the local libraries folder in multimc, but could be elsewhere
	 * MultiMC specific, because of FTB.
	 */
	QString m_storagePrefix;

	/// true if the library had an extract/excludes section (even empty)
	bool applyExcludes = false;

	/// a list of files that shouldn't be extracted from the library
	QStringList extract_excludes;

	/// native suffixes per OS
	QMap<OpSys, QString> m_native_classifiers;

	/// true if the library had a rules section (even empty)
	bool applyRules = false;

	/// rules associated with the library
	QList<std::shared_ptr<Rule>> m_rules;

	/// MOJANG: container with Mojang style download info
	std::shared_ptr<MojangLibraryDownloadInfo> m_mojang_downloads;
};