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big lua api changes

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This commit is contained in:
kuba
2026-06-20 13:45:17 +02:00
parent a4b968c457
commit e647870238
14 changed files with 625 additions and 651 deletions
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src/lua_api.c
+208 -192
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@@ -1,53 +1,55 @@
#include "lua_api.h"
#include "lua_rds.h"
#include <string.h>
#include <stddef.h>
static int in_set_defaults = 0;
extern lua_State *L;
extern lua_State *globalL;
extern RDSEncoder* enc;
static int writing_program = 0;
int lua_get_userdata(lua_State *localL) {
lua_pushlstring(localL, (const char*)&enc->data[writing_program].lua_data, LUA_USER_DATA);
int lua_get_userdata(lua_State *L) {
lua_pushlstring(L, (const char*)&enc->data[writing_program].lua_data, LUA_USER_DATA);
return 1;
}
int lua_get_userdata_offset(lua_State *localL) {
uint16_t offset = luaL_checkinteger(localL, 1);
uint16_t size = luaL_checkinteger(localL, 2);
if((offset+size) > LUA_USER_DATA) return luaL_error(localL, "data exceeds limit");
lua_pushlstring(localL, (const char*)&enc->data[writing_program].lua_data[offset], size);
int lua_get_userdata_offset(lua_State *L) {
uint16_t offset = luaL_checkinteger(L, 1);
uint16_t size = luaL_checkinteger(L, 2);
if((offset+size) > LUA_USER_DATA) return luaL_error(L, "data exceeds limit");
lua_pushlstring(L, (const char*)&enc->data[writing_program].lua_data[offset], size);
return 1;
}
int lua_set_userdata(lua_State *localL) {
int lua_set_userdata(lua_State *L) {
size_t len;
const char *data = luaL_checklstring(localL, 1, &len);
if(len > LUA_USER_DATA) return luaL_error(localL, "data exceeds limit");
const char *data = luaL_checklstring(L, 1, &len);
if(len > LUA_USER_DATA) return luaL_error(L, "data exceeds limit");
memset(enc->data[writing_program].lua_data, 0, LUA_USER_DATA);
memcpy(enc->data[writing_program].lua_data, data, len);
return 0;
}
int lua_set_userdata_offset(lua_State *localL) {
uint16_t offset = luaL_checkinteger(localL, 1);
uint16_t size = luaL_checkinteger(localL, 2);
int lua_set_userdata_offset(lua_State *L) {
uint16_t offset = luaL_checkinteger(L, 1);
uint16_t size = luaL_checkinteger(L, 2);
size_t len;
const char *data = luaL_checklstring(localL, 3, &len);
if(len > size || (offset + size) > LUA_USER_DATA) return luaL_error(localL, "data exceeds limit");
const char *data = luaL_checklstring(L, 3, &len);
if(len > size || (offset + size) > LUA_USER_DATA) return luaL_error(L, "data exceeds limit");
memset(enc->data[writing_program].lua_data + offset, 0, size);
memcpy(enc->data[writing_program].lua_data + offset, data, len);
return 0;
}
int lua_force_save(lua_State *localL) {
(void)localL;
int lua_force_save(lua_State *L) {
(void)L;
encoder_saveToFile(enc);
return 0;
}
int lua_set_rds_program_defaults(lua_State *localL) {
(void)localL;
int lua_set_rds_program_defaults(lua_State *L) {
(void)L;
if (in_set_defaults) {
fprintf(stderr, "Warning: Recursive call to lua_set_rds_program_defaults blocked\n");
return 0;
@@ -60,8 +62,8 @@ int lua_set_rds_program_defaults(lua_State *localL) {
return 0;
}
int lua_reset_rds(lua_State *localL) {
(void)localL;
int lua_reset_rds(lua_State *L) {
(void)L;
encoder_saveToFile(enc);
encoder_loadFromFile(enc);
@@ -70,131 +72,81 @@ int lua_reset_rds(lua_State *localL) {
return 0;
}
#define BOOL_SETTER(name) \
int lua_set_rds_##name(lua_State *localL) { \
if (!lua_isboolean(localL, 1)) return luaL_error(localL, "boolean expected, got %s", luaL_typename(localL, 1)); \
enc->data[writing_program].name = lua_toboolean(localL, 1); \
return 0; \
}
#define INT_SETTER(name) \
int lua_set_rds_##name(lua_State *localL) { \
enc->data[writing_program].name = luaL_checkinteger(localL, 1); \
return 0; \
}
#define STR_SETTER(name, function, buffer_size) \
int lua_set_rds_##name(lua_State *localL) { \
const char* str = luaL_checklstring(localL, 1, NULL); \
int lua_set_rds_##name(lua_State *L) { \
const char* str = luaL_checklstring(L, 1, NULL); \
char converted[buffer_size+1]; \
convert_to_rdscharset(str, converted, buffer_size+1); \
function(enc, converted, writing_program); \
return 0; \
}
#define STR_RAW_SETTER(name, function) \
int lua_set_rds_##name(lua_State *localL) { \
const char* str = luaL_checklstring(localL, 1, NULL); \
int lua_set_rds_##name(lua_State *L) { \
const char* str = luaL_checklstring(L, 1, NULL); \
function(enc, str, writing_program); \
return 0; \
}
#define STR_RAW_SETTER_LEN(name, function) \
int lua_set_rds_##name(lua_State *localL) { \
int lua_set_rds_##name(lua_State *L) { \
size_t len; \
const char* str = luaL_checklstring(localL, 1, &len); \
const char* str = luaL_checklstring(L, 1, &len); \
function(enc, str, len, writing_program); \
return 0; \
}
#define AF_SETTER(name, af_field, af_struct, add_func) \
int lua_set_rds_##name(lua_State *localL) { \
luaL_checktype(localL, 1, LUA_TTABLE); \
int lua_set_rds_##name(lua_State *L) { \
luaL_checktype(L, 1, LUA_TTABLE); \
\
int n = lua_rawlen(localL, 1); \
int n = lua_rawlen(L, 1); \
if (n == 0) { \
memset(&(enc->data[writing_program].af_field), 0, sizeof(af_struct)); \
return 0; \
} \
if(n > 25) return luaL_error(localL, "table length over 25"); \
if(n > 25) return luaL_error(L, "table length over 25"); \
\
af_struct new_af; \
memset(&new_af, 0, sizeof(af_struct)); \
\
for (int i = 1; i <= n; i++) { \
lua_rawgeti(localL, 1, i); \
if (lua_isnumber(localL, -1)) add_func(&new_af, lua_tonumber(localL, -1)); \
else return luaL_error(localL, "number expected, got %s", luaL_typename(localL, -1)); \
lua_pop(localL, 1); \
lua_rawgeti(L, 1, i); \
if (lua_isnumber(L, -1)) add_func(&new_af, lua_tonumber(L, -1)); \
else return luaL_error(L, "number expected, got %s", luaL_typename(L, -1)); \
lua_pop(L, 1); \
} \
memcpy(&(enc->data[writing_program].af_field), &new_af, sizeof(new_af)); \
\
return 0; \
}
#define INT_GETTER(name) \
int lua_get_rds_##name(lua_State *localL) { \
lua_pushinteger(localL, enc->data[writing_program].name); \
return 1; \
}
#define BOOL_GETTER(name) \
int lua_get_rds_##name(lua_State *localL) { \
lua_pushboolean(localL, enc->data[writing_program].name); \
return 1; \
}
#define STR_RAW_GETTER(name, length) \
int lua_get_rds_##name(lua_State *localL) { \
lua_pushlstring(localL, enc->data[writing_program].name, length); \
int lua_get_rds_##name(lua_State *L) { \
lua_pushlstring(L, enc->data[writing_program].name, length); \
return 1; \
}
INT_SETTER(pi)
INT_GETTER(pi)
INT_SETTER(pty)
INT_GETTER(pty)
INT_SETTER(ecc)
INT_GETTER(ecc)
INT_SETTER(slc_data)
INT_GETTER(slc_data)
BOOL_SETTER(ct)
BOOL_GETTER(ct)
BOOL_SETTER(dpty)
BOOL_GETTER(dpty)
BOOL_SETTER(tp)
BOOL_GETTER(tp)
BOOL_SETTER(ta)
BOOL_GETTER(ta)
BOOL_SETTER(rt_enabled)
BOOL_GETTER(rt_enabled)
BOOL_SETTER(ptyn_enabled)
BOOL_GETTER(ptyn_enabled)
int lua_set_rds_streams(lua_State *localL) {
enc->enabled_streams = luaL_checkinteger(localL, 1);
int lua_set_rds_streams(lua_State *L) {
enc->enabled_streams = luaL_checkinteger(L, 1);
return 0;
}
int lua_get_rds_streams(lua_State *localL) {
lua_pushinteger(localL, enc->enabled_streams);
int lua_get_rds_streams(lua_State *L) {
lua_pushinteger(L, enc->enabled_streams);
return 1;
}
int lua_set_rds_link(lua_State *localL) {
if (!lua_isboolean(localL, 1)) return luaL_error(localL, "boolean expected, got %s", luaL_typename(localL, 1));
enc->state[writing_program].eon_linkage = lua_toboolean(localL, 1);
int lua_set_rds_link(lua_State *L) {
if (!lua_isboolean(L, 1)) return luaL_error(L, "boolean expected, got %s", luaL_typename(L, 1));
enc->state[writing_program].eon_linkage = lua_toboolean(L, 1);
return 0;
}
int lua_get_rds_link(lua_State *localL) {
lua_pushboolean(localL, enc->state[writing_program].eon_linkage);
int lua_get_rds_link(lua_State *L) {
lua_pushboolean(L, enc->state[writing_program].eon_linkage);
return 1;
}
int lua_set_rds_program(lua_State *localL) {
int program = luaL_checkinteger(localL, 1);
int lua_set_rds_program(lua_State *L) {
int program = luaL_checkinteger(L, 1);
if(program >= PROGRAMS) program = (PROGRAMS-1);
if(program < 0) program = 0;
@@ -207,13 +159,13 @@ int lua_set_rds_program(lua_State *localL) {
return 0;
}
int lua_get_rds_program(lua_State *localL) {
lua_pushinteger(localL, enc->program);
int lua_get_rds_program(lua_State *L) {
lua_pushinteger(L, enc->program);
return 1;
}
int lua_set_rds_writing_program(lua_State *localL) {
int program = luaL_checkinteger(localL, 1);
int lua_set_rds_writing_program(lua_State *L) {
int program = luaL_checkinteger(L, 1);
if(program >= PROGRAMS) program = (PROGRAMS-1);
if(program < 0) program = 0;
@@ -221,25 +173,27 @@ int lua_set_rds_writing_program(lua_State *localL) {
return 0;
}
int lua_get_rds_writing_program(lua_State *localL) {
lua_pushinteger(localL, writing_program);
int lua_get_rds_writing_program(lua_State *L) {
lua_pushinteger(L, writing_program);
return 1;
}
int lua_put_rds_custom_group(lua_State *localL) {
int lua_put_rds_custom_group(lua_State *L) {
if(enc->state[writing_program].custom_group[0]) return luaL_error(locaL, "group buffer full");
enc->state[writing_program].custom_group[0] = 1;
enc->state[writing_program].custom_group[1] = luaL_checkinteger(localL, 1);
enc->state[writing_program].custom_group[2] = luaL_checkinteger(localL, 2);
enc->state[writing_program].custom_group[3] = luaL_checkinteger(localL, 3);
enc->state[writing_program].custom_group[1] = luaL_checkinteger(L, 1);
enc->state[writing_program].custom_group[2] = luaL_checkinteger(L, 2);
enc->state[writing_program].custom_group[3] = luaL_checkinteger(L, 3);
return 0;
}
int lua_put_rds2_custom_group(lua_State *localL) {
int lua_put_rds2_custom_group(lua_State *L) {
if(enc->state[writing_program].custom_group2[0]) return luaL_error(locaL, "group buffer full");
enc->state[writing_program].custom_group2[0] = 1;
enc->state[writing_program].custom_group2[1] = luaL_checkinteger(localL, 1);
enc->state[writing_program].custom_group2[2] = luaL_checkinteger(localL, 2);
enc->state[writing_program].custom_group2[3] = luaL_checkinteger(localL, 3);
enc->state[writing_program].custom_group2[4] = luaL_checkinteger(localL, 4);
enc->state[writing_program].custom_group2[1] = luaL_checkinteger(L, 1);
enc->state[writing_program].custom_group2[2] = luaL_checkinteger(L, 2);
enc->state[writing_program].custom_group2[3] = luaL_checkinteger(L, 3);
enc->state[writing_program].custom_group2[4] = luaL_checkinteger(L, 4);
return 0;
}
@@ -261,151 +215,213 @@ STR_RAW_GETTER(grp_sqc, 32)
AF_SETTER(af_group0, af, RDSAFs, add_rds_af)
int lua_toggle_rt_ab(lua_State *localL) {
(void)localL;
int lua_toggle_rt_ab(lua_State *L) {
(void)L;
TOGGLE(enc->state[writing_program].rt_ab);
return 0;
}
int lua_set_rds_eon(lua_State *localL) {
int eon = luaL_checkinteger(localL, 1);
if(eon >= EONs) return luaL_error(localL, "eon index exceeded");
int lua_set_rds_eon(lua_State *L) {
int eon = luaL_checkinteger(L, 1);
if(eon >= EONs) return luaL_error(L, "eon index exceeded");
if(!lua_istable(localL, 2)) return luaL_error(localL, "table expected, got %s", luaL_typename(localL, 2));
if(!lua_istable(L, 2)) return luaL_error(L, "table expected, got %s", luaL_typename(L, 2));
lua_getfield(localL, 2, "enabled");
if(!lua_isnil(localL, -1)) {
luaL_checktype(localL, -1, LUA_TBOOLEAN);
enc->data[writing_program].eon[eon].enabled = lua_toboolean(localL, -1);
} lua_pop(localL, 1);
lua_getfield(L, 2, "enabled");
if(!lua_isnil(L, -1)) {
luaL_checktype(L, -1, LUA_TBOOLEAN);
enc->data[writing_program].eon[eon].enabled = lua_toboolean(L, -1);
} lua_pop(L, 1);
lua_getfield(localL, 2, "tp");
if(!lua_isnil(localL, -1)) {
luaL_checktype(localL, -1, LUA_TBOOLEAN);
enc->data[writing_program].eon[eon].tp = lua_toboolean(localL, -1);
} lua_pop(localL, 1);
lua_getfield(L, 2, "tp");
if(!lua_isnil(L, -1)) {
luaL_checktype(L, -1, LUA_TBOOLEAN);
enc->data[writing_program].eon[eon].tp = lua_toboolean(L, -1);
} lua_pop(L, 1);
lua_getfield(localL, 2, "ta");
if(!lua_isnil(localL, -1)) {
luaL_checktype(localL, -1, LUA_TBOOLEAN);
enc->data[writing_program].eon[eon].ta = lua_toboolean(localL, -1);
} lua_pop(localL, 1);
lua_getfield(L, 2, "ta");
if(!lua_isnil(L, -1)) {
luaL_checktype(L, -1, LUA_TBOOLEAN);
enc->data[writing_program].eon[eon].ta = lua_toboolean(L, -1);
} lua_pop(L, 1);
lua_getfield(localL, 2, "pi");
if(!lua_isnil(localL, -1)) {
lua_Integer pi = luaL_checkinteger(localL, -1);
lua_pop(localL, 1);
lua_getfield(L, 2, "pi");
if(!lua_isnil(L, -1)) {
lua_Integer pi = luaL_checkinteger(L, -1);
lua_pop(L, 1);
enc->data[writing_program].eon[eon].pi = pi;
} else lua_pop(localL, 1);
} else lua_pop(L, 1);
lua_getfield(localL, 2, "pty");
if(!lua_isnil(localL, -1)) {
lua_Integer pty = luaL_checkinteger(localL, -1);
lua_pop(localL, 1);
lua_getfield(L, 2, "pty");
if(!lua_isnil(L, -1)) {
lua_Integer pty = luaL_checkinteger(L, -1);
lua_pop(L, 1);
enc->data[writing_program].eon[eon].pty = pty;
} else lua_pop(localL, 1);
} else lua_pop(L, 1);
lua_getfield(localL, 2, "data");
if(!lua_isnil(localL, -1)) {
lua_Integer data = luaL_checkinteger(localL, -1);
lua_pop(localL, 1);
lua_getfield(L, 2, "data");
if(!lua_isnil(L, -1)) {
lua_Integer data = luaL_checkinteger(L, -1);
lua_pop(L, 1);
enc->data[writing_program].eon[eon].data = data;
} else lua_pop(localL, 1);
} else lua_pop(L, 1);
lua_getfield(localL, 2, "ps");
if(!lua_isnil(localL, -1)) _strncpy(enc->data[writing_program].eon[eon].ps, luaL_checklstring(localL, -1, NULL), 8);
lua_pop(localL, 1);
lua_getfield(L, 2, "ps");
if(!lua_isnil(L, -1)) _strncpy(enc->data[writing_program].eon[eon].ps, luaL_checklstring(L, -1, NULL), 8);
lua_pop(L, 1);
lua_getfield(localL, 2, "afs");
luaL_checktype(localL, -1, LUA_TTABLE);
lua_getfield(L, 2, "afs");
luaL_checktype(L, -1, LUA_TTABLE);
int n = lua_rawlen(localL, -1);
int n = lua_rawlen(L, -1);
if (n == 0) {
lua_pop(localL, 1);
lua_pop(L, 1);
memset(&(enc->data[writing_program].eon[eon].af), 0, sizeof(RDSAFs));
return 0;
}
if(n > 25) return luaL_error(localL, "table length over 25");
if(n > 25) return luaL_error(L, "table length over 25");
RDSAFs new_af;
memset(&new_af, 0, sizeof(RDSAFs));
for (int i = 1; i <= n; i++) {
lua_rawgeti(localL, -1, i);
if (!lua_isnumber(localL, -1)) {
const char *type = luaL_typename(localL, -1);
lua_pop(localL, 1);
return luaL_error(localL, "number expected, got %s", type);
lua_rawgeti(L, -1, i);
if (!lua_isnumber(L, -1)) {
const char *type = luaL_typename(L, -1);
lua_pop(L, 1);
return luaL_error(L, "number expected, got %s", type);
}
add_rds_af(&new_af, lua_tonumber(localL, -1));
lua_pop(localL, 1);
add_rds_af(&new_af, lua_tonumber(L, -1));
lua_pop(L, 1);
}
memcpy(&(enc->data[writing_program].eon[eon].af), &new_af, sizeof(new_af));
lua_pop(localL, 1);
lua_pop(L, 1);
return 0;
}
int lua_get_rds_eon(lua_State *localL) {
int eon = luaL_checkinteger(localL, 1);
if(eon >= EONs) return luaL_error(localL, "eon index exceeded");
int lua_get_rds_eon(lua_State *L) {
int eon = luaL_checkinteger(L, 1);
if(eon >= EONs) return luaL_error(L, "eon index exceeded");
lua_newtable(localL);
lua_pushboolean(localL, enc->data[writing_program].eon[eon].enabled);
lua_newtable(L);
lua_pushboolean(L, enc->data[writing_program].eon[eon].enabled);
lua_setfield(L, -2, "enabled");
lua_pushinteger(localL, enc->data[writing_program].eon[eon].pi);
lua_pushinteger(L, enc->data[writing_program].eon[eon].pi);
lua_setfield(L, -2, "pi");
lua_pushboolean(localL, enc->data[writing_program].eon[eon].tp);
lua_pushboolean(L, enc->data[writing_program].eon[eon].tp);
lua_setfield(L, -2, "tp");
lua_pushboolean(localL, enc->data[writing_program].eon[eon].ta);
lua_pushboolean(L, enc->data[writing_program].eon[eon].ta);
lua_setfield(L, -2, "ta");
lua_pushinteger(localL, enc->data[writing_program].eon[eon].pty);
lua_pushinteger(L, enc->data[writing_program].eon[eon].pty);
lua_setfield(L, -2, "pty");
lua_pushlstring(localL, enc->data[writing_program].eon[eon].ps, 8);
lua_pushlstring(L, enc->data[writing_program].eon[eon].ps, 8);
lua_setfield(L, -2, "ps");
lua_newtable(localL); // don't have decoding for AF, so just return empty table
lua_newtable(L); // don't have decoding for AF, so just return empty table
lua_setfield(L, -2, "afs");
lua_pushinteger(localL, enc->data[writing_program].eon[eon].data);
lua_pushinteger(L, enc->data[writing_program].eon[eon].data);
lua_setfield(L, -2, "data");
return 1;
}
int lua_crc16(lua_State *localL) {
int lua_crc16(lua_State *L) {
size_t len;
const char* data = luaL_checklstring(localL, 1, &len);
lua_pushinteger(localL, crc16_ccitt(data, len));
const char* data = luaL_checklstring(L, 1, &len);
lua_pushinteger(L, crc16_ccitt(data, len));
return 1;
}
int lua_convert_to_rdscharset(lua_State *localL) {
int lua_convert_to_rdscharset(lua_State *L) {
size_t len;
const char *input = luaL_checklstring(localL, 1, &len);
const char *input = luaL_checklstring(L, 1, &len);
char output[len + 1];
convert_to_rdscharset(input, output, len + 1);
lua_pushstring(localL, output);
lua_pushstring(L, output);
return 1;
}
int lua_encode_group(lua_State *localL) {
int lua_encode_group(lua_State *L) {
size_t len;
const char *grp = luaL_checklstring(localL, 1, &len);
if(len != 1) return luaL_error(localL, "expected a length of 1");
const char *grp = luaL_checklstring(L, 1, &len);
if(len != 1) return luaL_error(L, "expected a length of 1");
char PS_GROUP = 0;
RDSGroup group;
uint8_t good = check_rds_good_group(enc, grp);
if(good == 0) {
lua_pushboolean(localL, 0);
lua_pushboolean(L, 0);
get_rds_sequence_group(enc, &group, 1, &PS_GROUP);
} else {
lua_pushboolean(localL, 1);
lua_pushboolean(L, 1);
get_rds_sequence_group(enc, &group, 1, grp);
}
lua_pushinteger(localL, group.b);
lua_pushinteger(localL, group.c);
lua_pushinteger(localL, group.d);
lua_pushinteger(L, group.b);
lua_pushinteger(L, group.c);
lua_pushinteger(L, group.d);
return 4;
}
typedef void (*lua_push_fn)(lua_State *L, const void *value);
typedef void (*lua_pull_fn)(lua_State *L, int idx, void *value);
static void push_int(lua_State *L, const void *value) { lua_pushinteger(L, *(const int *)value); }
static void push_bool(lua_State *L, const void *value) { lua_pushboolean(L, *(const int *)value); }
static void pull_int(lua_State *L, int idx, void *value) { *(int *)value = luaL_checkinteger(L, idx); }
static void pull_bool(lua_State *L, int idx, void *value) { *(int *)value = lua_toboolean(L, idx); }
typedef struct {
const char *name;
int offset;
lua_push_fn push;
lua_pull_fn pull;
} field_t;
static const field_t fields[] = {
{"pi", offsetof(RDSData, pi), push_int, pull_int},
{"pty", offsetof(RDSData, pty), push_int, pull_int},
{"ecc", offsetof(RDSData, ecc), push_int, pull_int},
{"slc_data", offsetof(RDSData, slc_data), push_int, pull_int},
{"ct", offsetof(RDSData, ct), push_bool, pull_bool},
{"dpty", offsetof(RDSData, dpty), push_bool, pull_bool},
{"tp", offsetof(RDSData, tp), push_bool, pull_bool},
{"ta", offsetof(RDSData, ta), push_bool, pull_bool},
{"rt_enabled", offsetof(RDSData, rt_enabled), push_bool, pull_bool},
{"ptyn_enabled", offsetof(RDSData, ptyn_enabled), push_bool, pull_bool},
};
int lua_rds__index(lua_State *L) {
const char *key = luaL_checkstring(L, 2);
RDSData *data = &enc->data[writing_program];
for (size_t i = 0; i < sizeof(fields)/sizeof(fields[0]); i++) {
if (strcmp(key, fields[i].name) == 0) {
const void *ptr = (const char *)data + fields[i].offset;
fields[i].push(L, ptr);
return 1;
}
}
lua_rawget(L, 1);
return 1;
}
int lua_rds__newindex(lua_State *L) {
const char *key = luaL_checkstring(L, 2);
RDSData *data = &enc->data[writing_program];
for (size_t i = 0; i < sizeof(fields)/sizeof(fields[0]); i++) {
if (strcmp(key, fields[i].name) == 0) {
void *ptr = (char *)data + fields[i].offset;
fields[i].pull(L, 3, ptr);
return 0;
}
}
lua_rawset(L, 1);
return 0;
}