Panda3D
pandaSystem.h
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1 /**
2  * PANDA 3D SOFTWARE
3  * Copyright (c) Carnegie Mellon University. All rights reserved.
4  *
5  * All use of this software is subject to the terms of the revised BSD
6  * license. You should have received a copy of this license along
7  * with this source code in a file named "LICENSE."
8  *
9  * @file pandaSystem.h
10  * @author drose
11  * @date 2005-01-26
12  */
13 
14 #ifndef PANDASYSTEM_H
15 #define PANDASYSTEM_H
16 
17 #include "dtoolbase.h"
18 #include "pmap.h"
19 #include "pvector.h"
20 
21 /**
22  * This class is used as a namespace to group several global properties of
23  * Panda. Application developers can use this class to query the runtime
24  * version or capabilities of the current Panda environment.
25  */
26 class EXPCL_DTOOL_DTOOLUTIL PandaSystem {
27 protected:
28  PandaSystem();
29  ~PandaSystem();
30 
31 PUBLISHED:
32  static std::string get_version_string();
33  static std::string get_package_version_string();
34  static std::string get_package_host_url();
35  static std::string get_p3d_coreapi_version_string();
36 
37  static int get_major_version();
38  static int get_minor_version();
39  static int get_sequence_version();
40  static bool is_official_version();
41 
42  static int get_memory_alignment();
43 
44  static std::string get_distributor();
45  static std::string get_compiler();
46  static std::string get_build_date();
47  static std::string get_git_commit();
48 
49  static std::string get_platform();
50 
51  MAKE_PROPERTY(version_string, get_version_string);
52  MAKE_PROPERTY(major_version, get_major_version);
53  MAKE_PROPERTY(minor_version, get_minor_version);
54  MAKE_PROPERTY(sequence_version, get_sequence_version);
55  MAKE_PROPERTY(official_version, is_official_version);
56 
57  MAKE_PROPERTY(memory_alignment, get_memory_alignment);
58 
59  MAKE_PROPERTY(distributor, get_distributor);
60  MAKE_PROPERTY(compiler, get_compiler);
61  MAKE_PROPERTY(build_date, get_build_date);
62  MAKE_PROPERTY(git_commit, get_git_commit);
63 
64  MAKE_PROPERTY(platform, get_platform);
65 
66  bool has_system(const std::string &system) const;
67  size_t get_num_systems() const;
68  std::string get_system(size_t n) const;
69  MAKE_SEQ(get_systems, get_num_systems, get_system);
70  MAKE_SEQ_PROPERTY(systems, get_num_systems, get_system);
71 
72  std::string get_system_tag(const std::string &system, const std::string &tag) const;
73 
74  void add_system(const std::string &system);
75  void set_system_tag(const std::string &system, const std::string &tag,
76  const std::string &value);
77 
78  bool heap_trim(size_t pad);
79 
80  void output(std::ostream &out) const;
81  void write(std::ostream &out) const;
82 
83  static PandaSystem *get_global_ptr();
84 
85 private:
86  void reset_system_names();
87 
88  void set_package_version_string(const std::string &package_version_string);
89  void set_package_host_url(const std::string &package_host_url);
90 
94 
95  Systems _systems;
96  SystemNames _system_names;
97  bool _system_names_dirty;
98 
99  std::string _package_version_string;
100  std::string _package_host_url;
101 
102  static PandaSystem *_global_ptr;
103 
104 public:
105  static TypeHandle get_class_type() {
106  return _type_handle;
107  }
108  static void init_type() {
109  register_type(_type_handle, "PandaSystem");
110  }
111 
112 private:
113  static TypeHandle _type_handle;
114 
115  friend class ConfigPageManager;
116 };
117 
118 inline std::ostream &operator << (std::ostream &out, const PandaSystem &ps) {
119  ps.output(out);
120  return out;
121 }
122 
123 #endif
A global object that maintains the set of ConfigPages everywhere in the world, and keeps them in sort...
This class is used as a namespace to group several global properties of Panda.
Definition: pandaSystem.h:26
TypeHandle is the identifier used to differentiate C++ class types.
Definition: typeHandle.h:81
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
PANDA 3D SOFTWARE Copyright (c) Carnegie Mellon University.
void register_type(TypeHandle &type_handle, const std::string &name)
This inline function is just a convenient way to call TypeRegistry::register_type(),...
Definition: register_type.I:22