aboutsummaryrefslogtreecommitdiff
path: root/src/libjin-lua/common/l_object.cpp
blob: e3ac158b47cf5b43de95a082b2c7026ac870a456 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
#include "l_object.h"
#include "je_lua.h"

namespace JinEngine
{
    namespace Lua
    {

        void LuaObject::bind(Shared* obj)
        {
            if (obj)
            {
                shared = obj;
                shared->retain();
                dependencies = new std::map<uint, LuaObject*>();
            }
        }

        void LuaObject::release()
        {
            // Delete lua shared table reference and references.
            if (dependencies)
            {
                clearDependencies();
                delete dependencies;
                dependencies = nullptr;
            }
            // Try delete engine side shared.
            if (shared)
            {
                shared->release();
                shared = nullptr;
            }
        }

        const char* LuaObject::getObjectType()
        {
            return type;
        }

        Shared* LuaObject::getShared()
        {
            return shared;
        }

        void LuaObject::setDependency(uint key, LuaObject* dep)
        {
            removeDependency(key);
            dependencies->insert(std::pair<uint, LuaObject*>(key, dep));
            luax_addreference(state, this, dep);
        }

        void LuaObject::removeDependency(uint key)
        {
            if (!isDependOn(key))
                return;
            DepsMap::iterator it = dependencies->find(key);
            LuaObject* dep = it->second;
            luax_removereference(state, this, dep);
            dependencies->erase(it);
        }

        void LuaObject::removeDependency(LuaObject* dependency)
        {
            for (DepsMap::iterator it = dependencies->begin(); it != dependencies->end();)
            {
                LuaObject* dep = it->second;
                if (dep == dependency)
                {
                    luax_removereference(state, this, dep);
                    dependencies->erase(it);
                }
                else
                    ++it;
            }
        }

        bool LuaObject::isDependOn(uint key)
        {
            return dependencies->find(key) != dependencies->end();
        }

        bool LuaObject::isDependOn(LuaObject* shared)
        {
            for (std::pair<uint, LuaObject*> dep : (*dependencies))
            {
                if (dep.second == shared)
                    return true;
            }
            return false;
        }

        void LuaObject::clearDependencies()
        {
            luax_removereference(state, this);
            dependencies->clear();
        }

        LuaObject* LuaObject::getDependency(uint key)
        {
            if (!isDependOn(key))
                return nullptr;
            return dependencies->find(key)->second;
        }

        int LuaObject::getDependenciesCount()
        {
            return dependencies->size();
        }

    }
}