1 // Copyright (C) 2013 James Turner - zakalawe@mac.com
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Library General Public
5 // License as published by the Free Software Foundation; either
6 // version 2 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Library General Public License for more details.
13 // You should have received a copy of the GNU General Public License
14 // along with this program; if not, write to the Free Software
15 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
18 #ifndef SG_PACKAGE_CATALOG_HXX
19 #define SG_PACKAGE_CATALOG_HXX
25 #include <simgear/misc/sg_path.hxx>
26 #include <simgear/props/props.hxx>
28 #include <simgear/structure/SGReferenced.hxx>
29 #include <simgear/structure/SGSharedPtr.hxx>
31 #include <simgear/package/Delegate.hxx>
36 namespace HTTP { class Client; }
47 typedef SGSharedPtr<Package> PackageRef;
48 typedef SGSharedPtr<Catalog> CatalogRef;
49 typedef SGSharedPtr<Install> InstallRef;
51 typedef std::vector<PackageRef> PackageList;
52 typedef std::vector<CatalogRef> CatalogList;
54 class Catalog : public SGReferenced
59 static CatalogRef createFromUrl(Root* aRoot, const std::string& aUrl);
61 static CatalogRef createFromPath(Root* aRoot, const SGPath& aPath);
67 * perform a refresh of the catalog contents
72 * Get all packages in this catalog.
74 PackageList const& packages() const;
77 * retrieve packages in this catalog matching a filter.
78 * filter consists of required / minimum values, AND-ed together.
80 PackageList packagesMatching(const SGPropertyNode* aFilter) const;
83 * packages which are locally installed
85 PackageList installedPackages() const;
88 * retrieve all the packages in the catalog which are installed
89 * and have a pendig update
91 PackageList packagesNeedingUpdate() const;
93 SGPath installRoot() const
94 { return m_installRoot; }
96 std::string id() const;
98 std::string url() const;
100 std::string description() const;
102 PackageRef getPackageById(const std::string& aId) const;
104 InstallRef installForPackage(PackageRef pkg) const;
107 * test if the catalog data was retrieved longer ago than the
108 * maximum permitted age for this catalog.
110 bool needsRefresh() const;
112 unsigned int ageInSeconds() const;
115 * access the raw property data in the catalog
117 SGPropertyNode* properties() const;
119 Catalog(Root* aRoot);
122 friend class Downloader;
124 friend class Install;
125 void registerInstall(Install* ins);
126 void unregisterInstall(Install* ins);
128 void parseProps(const SGPropertyNode* aProps);
130 void refreshComplete(Delegate::FailureCode aReason);
132 void parseTimestamp();
133 void writeTimestamp();
135 std::string getLocalisedString(const SGPropertyNode* aRoot, const char* aName) const;
138 SGPropertyNode_ptr m_props;
139 SGPath m_installRoot;
142 PackageList m_packages;
143 time_t m_retrievedTime;
145 typedef std::map<std::string, Package*> PackageWeakMap;
146 PackageWeakMap m_variantDict;
148 // important that this is a weak-ref to Installs,
149 // since it is only cleaned up in the Install destructor
150 typedef std::map<PackageRef, Install*> PackageInstallDict;
151 PackageInstallDict m_installed;
154 } // of namespace pkg
156 } // of namespace simgear
158 #endif // of SG_PACKAGE_CATALOG_HXX