void switch_value(lua_State *L, int index, bson_t* bson, int level, const char* key)
{
switch(lua_type(L, index))
{
case LUA_TTABLE:
{
int is_a=is_array(L, index);
if (is_a)
{
bson_t child;
//start array
BSON_APPEND_ARRAY_BEGIN(bson, key, &child);
iterate_table(L, index, &child, 0, level+1, NULL);
bson_append_array_end(bson, &child);
}
else
{
bson_t child;
//start map
BSON_APPEND_DOCUMENT_BEGIN(bson, key, &child);
iterate_table(L, index, &child, 1, level+1, NULL);
bson_append_document_end(bson, &child);
}
break;
}
case LUA_TNIL:
{
BSON_APPEND_NULL(bson, key);
break;
}
case LUA_TNUMBER:
{
BSON_APPEND_DOUBLE(bson, key, lua_tonumber(L, index));
break;
}
case LUA_TBOOLEAN:
{
BSON_APPEND_BOOL(bson, key, lua_toboolean(L, index));
break;
}
case LUA_TSTRING:
{
BSON_APPEND_UTF8(bson, key, lua_tostring(L, index));
break;
}
case LUA_TUSERDATA:
{
// switch userdata type
if (luaL_checkudata_ex(L, index, REGEX_METATABLE))
{
cbson_regex_t* regex = check_cbson_regex(L, index);
BSON_APPEND_REGEX (bson, key, regex->regex, regex->options);
}
else if (luaL_checkudata_ex(L, index, OID_METATABLE))
{
cbson_oid_t* oid = check_cbson_oid(L, index);
bson_oid_t boid;
bson_oid_init_from_string (&boid, oid->oid);
BSON_APPEND_OID (bson, key, &boid);
}
else if (luaL_checkudata_ex(L, index, BINARY_METATABLE))
{
cbson_binary_t* bin = check_cbson_binary(L, index);
size_t binary_len = b64_pton (bin->data, NULL, 0);
unsigned char* buf=malloc(binary_len+1);
b64_pton(bin->data, buf, binary_len+1);
BSON_APPEND_BINARY(bson, key, bin->type, buf, binary_len);
free(buf);
}
else if (luaL_checkudata_ex(L, index, SYMBOL_METATABLE))
{
cbson_symbol_t* sym = check_cbson_symbol(L, index);
BSON_APPEND_SYMBOL(bson, key, sym->symbol);
}
else if (luaL_checkudata_ex(L, index, REF_METATABLE))
{
cbson_ref_t* ref = check_cbson_ref(L, index);
bson_oid_t boid;
bson_oid_init_from_string (&boid, ref->id);
BSON_APPEND_DBPOINTER(bson, key, ref->ref, &boid);
}
else if (luaL_checkudata_ex(L, index, MINKEY_METATABLE))
{
check_cbson_minkey(L, index);
BSON_APPEND_MINKEY(bson, key);
}
else if (luaL_checkudata_ex(L, index, MAXKEY_METATABLE))
{
check_cbson_maxkey(L, index);
BSON_APPEND_MAXKEY(bson, key);
}
else if (luaL_checkudata_ex(L, index, TIMESTAMP_METATABLE))
{
cbson_timestamp_t* time = check_cbson_timestamp(L, index);
BSON_APPEND_TIMESTAMP(bson, key, time->timestamp, time->increment);
}
else if (luaL_checkudata_ex(L, index, INT64_METATABLE) || luaL_checkudata_ex(L, index, UINT64_METATABLE))
{
cbson_int64_t i = cbson_int64_check(L, index);
if (i < INT32_MIN || i > INT32_MAX)
{
BSON_APPEND_INT64(bson, key, i);
}
else
{
BSON_APPEND_INT32(bson, key, (int32_t)i);
}
}
else if (luaL_checkudata_ex(L, index, CODE_METATABLE))
{
cbson_code_t* code = check_cbson_code(L, index);
BSON_APPEND_CODE(bson, key, code->code);
}
else if (luaL_checkudata_ex(L, index, CODEWSCOPE_METATABLE))
{
cbson_codewscope_t* code = check_cbson_codewscope(L, index);
BSON_APPEND_CODE_WITH_SCOPE(bson, key, code->code, NULL);
}
else if (luaL_checkudata_ex(L, index, UNDEFINED_METATABLE))
{
check_cbson_undefined(L, index);
BSON_APPEND_UNDEFINED(bson, key);
}
else if (luaL_checkudata_ex(L, index, DATE_METATABLE))
{
BSON_APPEND_DATE_TIME(bson, key, cbson_date_check(L, index));
}
break;
}
case LUA_TFUNCTION:
case LUA_TTHREAD:
case LUA_TLIGHTUSERDATA:
default:
break; // or bail out?
}
}
static bool appendBsonValue(bson_t *bson, const QString &key, const QVariant &value)
{
const QLatin1String oidkey("_id");
bool ok = true;
int type = value.type();
// _id
if (key == oidkey) {
QByteArray oidVal = value.toByteArray();
if (oidVal.length() == 24) {
// ObjectId
bson_oid_t oid;
bson_oid_init_from_string(&oid, oidVal.data());
BSON_APPEND_OID(bson, oidkey.latin1(), &oid);
} else {
int id = value.toInt(&ok);
if (ok) {
BSON_APPEND_INT32(bson, oidkey.latin1(), id);
} else {
BSON_APPEND_UTF8(bson, oidkey.latin1(), value.toString().toUtf8().data());
}
}
return true;
}
switch (type) {
case QVariant::Int:
BSON_APPEND_INT32(bson, qPrintable(key), value.toInt(&ok));
break;
case QVariant::String:
BSON_APPEND_UTF8(bson, qPrintable(key), value.toString().toUtf8().data());
break;
case QVariant::LongLong:
BSON_APPEND_INT64(bson, qPrintable(key), value.toLongLong(&ok));
break;
case QVariant::Map:
BSON_APPEND_DOCUMENT(bson, qPrintable(key), (const bson_t *)TBson::toBson(value.toMap()).constData());
break;
case QVariant::Double:
BSON_APPEND_DOUBLE(bson, qPrintable(key), value.toDouble(&ok));
break;
case QVariant::Bool:
BSON_APPEND_BOOL(bson, qPrintable(key), value.toBool());
break;
case QVariant::DateTime: {
#if QT_VERSION >= 0x040700
BSON_APPEND_DATE_TIME(bson, qPrintable(key), value.toDateTime().toMSecsSinceEpoch());
#else
QDateTime utcDate = value.toDateTime().toUTC();
qint64 ms = utcDate.time().msec();
qint64 tm = utcDate.toTime_t() * 1000LL;
if (ms > 0) {
tm += ms;
}
BSON_APPEND_DATE_TIME(bson, qPrintable(key), tm);
#endif
break; }
case QVariant::ByteArray: {
QByteArray ba = value.toByteArray();
BSON_APPEND_BINARY(bson, qPrintable(key), BSON_SUBTYPE_BINARY, (uint8_t *)ba.constData(), ba.length());
break; }
case QVariant::List: // FALL THROUGH
case QVariant::StringList: {
bson_t child;
BSON_APPEND_ARRAY_BEGIN(bson, qPrintable(key), &child);
int i = 0;
for (auto &var : value.toList()) {
appendBsonValue(&child, QString::number(i++), var);
}
bson_append_array_end(bson, &child);
break; }
case QVariant::Invalid:
BSON_APPEND_UNDEFINED(bson, qPrintable(key));
break;
default:
tError("toBson() failed to convert name:%s type:%d", qPrintable(key), type);
ok = false;
break;
}
return ok;
}
