1 #ifndef LOADER_TYPEDESCRIPTION_H_
2 #define LOADER_TYPEDESCRIPTION_H_
12 class FieldDescription {
15 FieldDescription(std::ptrdiff_t offset, int type)
16 : description(0), offset(offset), type(type), reference(false), aggregate(false) { }
18 std::ptrdiff_t Offset() const { return offset; };
19 int TypeId() const { return type; }
20 bool IsReferenced() const { return reference; }
21 bool IsAggregate() const { return aggregate; }
22 const char *Description() const { return description; }
24 FieldDescription &SetReferenced() { reference = true; return *this; }
25 FieldDescription &SetAggregate() { aggregate = true; return *this; }
26 FieldDescription &SetDescription(const char *d) { description = d; return *this; }
29 const char *description;
30 std::ptrdiff_t offset;
36 class TypeDescription {
39 void AddField(const std::string &name, const FieldDescription &f);
40 bool HasField(const std::string &name) const;
41 const FieldDescription &GetField(const std::string &name) const;
42 void Construct(void *) const;
43 void Load(void *) const;
45 void SetConstructor(void (*ctor)(void *)) { constructor = ctor; }
46 void SetLoader(void (*ld)(void *)) { loader = ld; }
47 void AddSupertype(int id, std::ptrdiff_t offset);
48 bool IsSubtypeOf(int id) const;
49 bool IsSubtypeOf(const TypeDescription &other) const { return IsSubtypeOf(other.TypeId()); }
50 std::ptrdiff_t SupertypeOffset(int id) const;
51 std::ptrdiff_t SupertypeOffset(const TypeDescription &other) const { return SupertypeOffset(other.TypeId()); }
53 int TypeId() const { return id; }
54 const std::string &TypeName() const { return name; }
56 void SetSize(int s) { size = s; }
57 int Size() const { return size; }
59 void SetDescription(const char *d) { description = d; }
60 const char *Description() const { return description; }
62 typedef std::map<std::string, FieldDescription>::const_iterator FieldIterator;
63 FieldIterator FieldsBegin() const { return fields.begin(); }
64 FieldIterator FieldsEnd() const { return fields.end(); }
66 static TypeDescription &Create(int id, const std::string &name);
67 static int GetTypeId(const std::string &);
68 static const TypeDescription &Get(int id);
70 static void WriteSourceWiki(std::ostream &);
73 TypeDescription(int id, const std::string &name) : constructor(0), loader(0), description(0), name(name), id(id), size(0) { }
76 void (*constructor)(void *);
77 void (*loader)(void *);
78 const char *description;
80 std::map<std::string, FieldDescription> fields;
81 std::map<int, std::ptrdiff_t> supertypes;
85 static std::map<int, TypeDescription> typeDescriptions;
86 static std::map<std::string, int> typeName2ID;