static void
_get_array_value(lua_State *L, pbc_array array, char type) {
switch(type) {
case 'I': {
int32_t v = luaL_checkinteger(L, -1);
uint32_t hi = 0;
if (v<0) {
hi = ~0;
}
pbc_array_push_integer(array, v, hi);
break;
}
case 'D' : {
uint64_t v = (uint64_t)luaL_checknumber(L, -1);
pbc_array_push_integer(array, (uint32_t)v, (uint32_t)(v >> 32));
break;
}
case 'B': {
int32_t v = lua_toboolean(L, -1);
pbc_array_push_integer(array, v ? 1: 0, 0);
break;
}
case 'R': {
double v = luaL_checknumber(L, -1);
pbc_array_push_real(array, v);
break;
}
case 'S': {
size_t sz = 0;
const char * str = luaL_checklstring(L, -1, &sz);
struct pbc_slice slice;
slice.buffer = (void*)str;
slice.len = sz;
pbc_array_push_slice(array, &slice);
break;
}
case 'M': {
struct pbc_slice slice;
if (lua_istable(L,-1)) {
lua_rawgeti(L,-1,1);
slice.buffer = lua_touserdata(L,-1);
lua_rawgeti(L,-2,2);
slice.len = lua_tointeger(L,-1);
lua_pop(L,2);
} else {
size_t sz = 0;
const char * buffer = luaL_checklstring(L, -1, &sz);
slice.buffer = (void *)buffer;
slice.len = sz;
}
pbc_array_push_slice(array, &slice);
break;
}
}
}
static int
test_pattern_pack(struct pbc_env *env , struct pbc_slice *slice) {
struct person p;
/*
If you don't care about default values (you will set all values by yourself) ,
you can also use memset(&p, 0 , sizeof(p)) instead of pbc_pattern_set_default.
*/
pbc_pattern_set_default(pat, &p);
p.name.buffer = (void*)"Alice";
p.name.len = -1; // encode '\0'
p.id = 1234;
p.email.buffer = (void*)"alice@unknown";
p.email.len = -1;
struct person_phone phone;
phone.number.buffer = (void *)"1234567";
phone.number.len = -1;
phone.type = 1;
char temp[128];
struct pbc_slice phone_slice = { temp, sizeof(temp) };
int unused = pbc_pattern_pack(pat_phone, &phone , &phone_slice);
if (unused < 0) {
slice->len = 0;
return slice->len;
}
pbc_array_push_slice(p.phone, &phone_slice);
pbc_pattern_set_default(pat_phone, &phone);
phone.number.buffer = (void *)"87654321";
phone.number.len = -1;
char temp2[128];
struct pbc_slice phone_slice2 = { temp2, sizeof(temp2) };
unused = pbc_pattern_pack(pat_phone, &phone , &phone_slice2);
if (unused < 0) {
slice->len = 0;
return slice->len;
}
pbc_array_push_slice(p.phone, &phone_slice2);
int i;
for (i=0;i<3;i++) {
pbc_array_push_integer(p.test, -i*4,0);
}
int r = pbc_pattern_pack(pat, &p, slice);
pbc_pattern_close_arrays(pat,&p);
printf("pack into %d bytes\n", slice->len);
return r;
}