aboutsummaryrefslogtreecommitdiff
path: root/src/lua/net/luaopen_Buffer.cpp
blob: 970835716d8384f8890797194193b83969586581 (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
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
#include "lua/luax.h"
#include "../common/common.h"
#include "libjin/jin.h"
#include "Buffer.h"

namespace jin
{
namespace lua
{
namespace net
{

    static inline Ref<Buffer>& checkNetBuffer(lua_State* L)
    {
        Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_NETWORK_BUFFER);
		return proxy->getRef<Buffer>();
    }

    // net.Buffer:append(value) -> value_length
    static int l_append(lua_State* L)
    {
		Ref<Buffer>& ref = checkNetBuffer(L);
        const int vp = 2;
        if (luax_isintegerstrict(L, vp))
        {
            int n = luax_checkinteger(L, vp);
            int size = sizeof(n);
            ref->append(&n, size);
            luax_pushinteger(L, size);
            return 1;
        } 
        else if (luax_isfloatstrict(L, vp))
        {
            float n = luax_checknumber(L, vp);
            int size = sizeof(n);
			ref->append(&n, size);
            luax_pushinteger(L, size);
            return 1;
        }
        else if (luax_isbooleanstrict(L, vp))
        {
            bool n = luax_checkbool(L, vp);
            int size = sizeof(n);
			ref->append(&n, size);
            luax_pushinteger(L, size);
            return 1;
        }
        else if (luax_isstringstrict(L, vp))
        {
            const char* str = luax_checkstring(L, vp);
            int size = strlen(str) + 1;
			ref->append(str, size);
            luax_pushinteger(L, size);
            return 1;
        }
        else
        {
            luax_typerror(L, vp, "number, bool or string");
            return 0;
        }
    }

    // net.Buffer:grabString(offset) -> string, length
    static int l_grabString(lua_State* L)
    {
		Ref<Buffer>& ref = checkNetBuffer(L);
        int offset = luax_checkinteger(L, 2);
        int len;
        const char* str = ref->grabString(&len, offset);
        luax_pushstring(L, str);
        luax_pushinteger(L, len);
        return 2;
    }

    // net.Buffer:grabInteger(offset) -> integer, length
    static int l_grabInteger(lua_State* L)
    {
		Ref<Buffer>& ref = checkNetBuffer(L);
        int offset = luax_checkinteger(L, 2);
        int len;
        int integer = ref->grabInteger(&len, offset);
        luax_pushinteger(L, integer);
        luax_pushinteger(L, len);
        return 2;
    }

    static int l_grabFloat(lua_State* L)
    {
		Ref<Buffer>& ref = checkNetBuffer(L);
        int offset = luax_checkinteger(L, 2);
        int len;
        float floatv = ref->grabFloat(&len, offset);
        luax_pushnumber(L, floatv);
        luax_pushinteger(L, len);
        return 2;
    }

    static int l_grabBoolean(lua_State* L)
    {
		Ref<Buffer>& ref = checkNetBuffer(L);
        int offset = luax_checkinteger(L, 2);
        int len;
        bool boolean = ref->grabBoolean(&len, offset);
        luax_pushboolean(L, boolean);
        luax_pushinteger(L, len);
        return 2;
    }

    static int l_gc(lua_State* L)
    {
        Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_NETWORK_BUFFER);
        proxy->release();
        return 0;
    }

    static const luaL_Reg netbuffer_function[] = {
        { "__gc",           l_gc },
        { "append",         l_append },
        { "grabString",     l_grabString },
        { "grabInteger",    l_grabInteger },
        { "grabBoolean",    l_grabBoolean },
        { "grabFloat",      l_grabFloat },
        { 0, 0 }
    };

} // net

    int luaopen_Buffer(lua_State* L)
    {
        luax_newtype(L, JIN_NETWORK_BUFFER, net::netbuffer_function);
        return 0;
    }

} // lua
} // jin