void lua_push_value(lua_State *L, const BSONElement &elem) {
int type = elem.type();
switch(type) {
case mongo::Undefined:
lua_pushnil(L);
break;
case mongo::NumberInt:
lua_pushinteger(L, elem.numberInt());
break;
case mongo::NumberLong:
case mongo::NumberDouble:
lua_pushnumber(L, elem.number());
break;
case mongo::Bool:
lua_pushboolean(L, elem.boolean());
break;
case mongo::String:
lua_pushstring(L, elem.valuestr());
break;
case mongo::Array:
bson_to_array(L, elem.embeddedObject());
break;
case mongo::Object:
bson_to_table(L, elem.embeddedObject());
break;
case mongo::Date:
push_bsontype_table(L, mongo::Date);
lua_pushnumber(L, elem.date());
lua_rawseti(L, -2, 1);
break;
case mongo::Timestamp:
push_bsontype_table(L, mongo::Date);
lua_pushnumber(L, elem.timestampTime());
lua_rawseti(L, -2, 1);
break;
case mongo::Symbol:
push_bsontype_table(L, mongo::Symbol);
lua_pushstring(L, elem.valuestr());
lua_rawseti(L, -2, 1);
break;
case mongo::RegEx:
push_bsontype_table(L, mongo::RegEx);
lua_pushstring(L, elem.regex());
lua_rawseti(L, -2, 1);
lua_pushstring(L, elem.regexFlags());
lua_rawseti(L, -2, 2);
break;
case mongo::jstOID:
push_bsontype_table(L, mongo::jstOID);
lua_pushstring(L, elem.__oid().str().c_str());
lua_rawseti(L, -2, 1);
break;
case mongo::jstNULL:
push_bsontype_table(L, mongo::jstNULL);
break;
case mongo::EOO:
break;
default:
luaL_error(L, LUAMONGO_UNSUPPORTED_BSON_TYPE, bson_name(type));
}
}
std::string jsonString(BSONElement &elem, JsonStringFormat format, bool includeFieldNames, int pretty, UUIDEncoding uuidEncoding)
{
BSONType t = elem.type();
int sign;
if ( t == Undefined )
return "undefined";
stringstream s;
if ( includeFieldNames )
s << '"' << escape( elem.fieldName() ) << "\" : ";
switch ( elem.type() ) {
case mongo::String:
case Symbol:
s << '"' << escape( string(elem.valuestr(), elem.valuestrsize()-1) ) << '"';
break;
case NumberLong:
s << "NumberLong(" << elem._numberLong() << ")";
break;
case NumberInt:
case NumberDouble:
if ( elem.number() >= -numeric_limits< double >::max() &&
elem.number() <= numeric_limits< double >::max() ) {
s.precision( 16 );
s << elem.number();
}
else if ( mongo::isNaN(elem.number()) ) {
s << "NaN";
}
else if ( mongo::isInf(elem.number(), &sign) ) {
s << ( sign == 1 ? "Infinity" : "-Infinity");
}
else {
StringBuilder ss;
ss << "Number " << elem.number() << " cannot be represented in JSON";
string message = ss.str();
//massert( 10311 , message.c_str(), false );
}
break;
case mongo::Bool:
s << ( elem.boolean() ? "true" : "false" );
break;
case jstNULL:
s << "null";
break;
case Object: {
BSONObj obj = elem.embeddedObject();
s << jsonString(obj, format, pretty, uuidEncoding);
}
break;
case mongo::Array: {
if ( elem.embeddedObject().isEmpty() ) {
s << "[]";
break;
}
s << "[ ";
BSONObjIterator i( elem.embeddedObject() );
BSONElement e = i.next();
if ( !e.eoo() ) {
int count = 0;
while ( 1 ) {
if( pretty ) {
s << '\n';
for( int x = 0; x < pretty; x++ )
s << " ";
}
if (strtol(e.fieldName(), 0, 10) > count) {
s << "undefined";
}
else {
s << jsonString(e, format, false, pretty?pretty+1:0, uuidEncoding);
e = i.next();
}
count++;
if ( e.eoo() ) {
s << '\n';
for( int x = 0; x < pretty - 1; x++ )
s << " ";
s << "]";
break;
}
s << ", ";
}
}
//s << " ]";
break;
}
case DBRef: {
mongo::OID *x = (mongo::OID *) (elem.valuestr() + elem.valuestrsize());
if ( format == TenGen )
s << "Dbref( ";
else
s << "{ \"$ref\" : ";
s << '"' << elem.valuestr() << "\", ";
if ( format != TenGen )
s << "\"$id\" : ";
s << '"' << *x << "\" ";
if ( format == TenGen )
s << ')';
else
s << '}';
break;
}
case jstOID:
if ( format == TenGen ) {
s << "ObjectId(";
}
else {
s << "{ \"$oid\" : ";
}
s << '"' << elem.__oid() << '"';
if ( format == TenGen ) {
s << ")";
}
else {
s << " }";
}
break;
case BinData: {
int len = *(int *)( elem.value() );
BinDataType type = BinDataType( *(char *)( (int *)( elem.value() ) + 1 ) );
if (type == mongo::bdtUUID || type == mongo::newUUID) {
s << HexUtils::formatUuid(elem, uuidEncoding);
break;
}
s << "{ \"$binary\" : \"";
char *start = ( char * )( elem.value() ) + sizeof( int ) + 1;
base64::encode( s , start , len );
s << "\", \"$type\" : \"" << hex;
s.width( 2 );
s.fill( '0' );
s << type << dec;
s << "\" }";
break;
}
case mongo::Date:
if ( format == Strict )
s << "{ \"$date\" : ";
else
s << "ISODate(";
if( pretty ) {
Date_t d = elem.date();
long long ms = (long long) d.millis;
boost::posix_time::ptime epoch(boost::gregorian::date(1970,1,1));
boost::posix_time::time_duration diff = boost::posix_time::millisec(ms);
boost::posix_time::ptime time = epoch + diff;
std::string timestr = miutil::isotimeString(time, true, true);
s << '"' << timestr << '"';
/* if( d == 0 ) s << '0';
else
//P s << '"' << elem.date().toString() << '"';
s << '"' << elem.date().millis << '"';*/
}
else
s << elem.date();
if ( format == Strict )
s << " }";
else
s << ")";
break;
case RegEx:
if ( format == Strict ) {
s << "{ \"$regex\" : \"" << escape( elem.regex() );
s << "\", \"$options\" : \"" << elem.regexFlags() << "\" }";
}
else {
s << "/" << escape( elem.regex() , true ) << "/";
// FIXME Worry about alpha order?
for ( const char *f = elem.regexFlags(); *f; ++f ) {
switch ( *f ) {
case 'g':
case 'i':
case 'm':
s << *f;
default:
break;
}
}
}
break;
case CodeWScope: {
BSONObj scope = elem.codeWScopeObject();
if ( ! scope.isEmpty() ) {
s << "{ \"$code\" : " << elem._asCode() << " , "
<< " \"$scope\" : " << scope.jsonString() << " }";
break;
}
}
case Code:
s << elem._asCode();
break;
case Timestamp:
if ( format == TenGen ) {
s << "Timestamp(" << ( elem.timestampTime() / 1000 ) << ", " << elem.timestampInc() << ")";
}
else {
s << "{ \"$timestamp\" : { \"t\" : " << ( elem.timestampTime() / 1000 ) << ", \"i\" : " << elem.timestampInc() << " } }";
}
break;
case MinKey:
s << "{ \"$minKey\" : 1 }";
break;
case MaxKey:
s << "{ \"$maxKey\" : 1 }";
break;
default:
StringBuilder ss;
ss << "Cannot create a properly formatted JSON string with "
<< "element: " << elem.toString() << " of type: " << elem.type();
string message = ss.str();
//massert( 10312 , message.c_str(), false );
}
return s.str();
}
Status RegexMatchExpression::init( const StringData& path, const BSONElement& e ) {
if ( e.type() != RegEx )
return Status( ErrorCodes::BadValue, "regex not a regex" );
return init( path, e.regex(), e.regexFlags() );
}
/* must be same type when called, unless both sides are #s
*/
int compareElementValues(const BSONElement& l, const BSONElement& r) {
int f;
double x;
switch ( l.type() ) {
case EOO:
case Undefined:
case jstNULL:
case MaxKey:
case MinKey:
f = l.canonicalType() - r.canonicalType();
if ( f<0 ) return -1;
return f==0 ? 0 : 1;
case Bool:
return *l.value() - *r.value();
case Timestamp:
case Date:
if ( l.date() < r.date() )
return -1;
return l.date() == r.date() ? 0 : 1;
case NumberLong:
if( r.type() == NumberLong ) {
long long L = l._numberLong();
long long R = r._numberLong();
if( L < R ) return -1;
if( L == R ) return 0;
return 1;
}
// else fall through
case NumberInt:
case NumberDouble: {
double left = l.number();
double right = r.number();
bool lNan = !( left <= numeric_limits< double >::max() &&
left >= -numeric_limits< double >::max() );
bool rNan = !( right <= numeric_limits< double >::max() &&
right >= -numeric_limits< double >::max() );
if ( lNan ) {
if ( rNan ) {
return 0;
} else {
return -1;
}
} else if ( rNan ) {
return 1;
}
x = left - right;
if ( x < 0 ) return -1;
return x == 0 ? 0 : 1;
}
case jstOID:
return memcmp(l.value(), r.value(), 12);
case Code:
case Symbol:
case String:
/* todo: utf version */
return strcmp(l.valuestr(), r.valuestr());
case Object:
case Array:
return l.embeddedObject().woCompare( r.embeddedObject() );
case DBRef: {
int lsz = l.valuesize();
int rsz = r.valuesize();
if ( lsz - rsz != 0 ) return lsz - rsz;
return memcmp(l.value(), r.value(), lsz);
}
case BinData: {
int lsz = l.objsize(); // our bin data size in bytes, not including the subtype byte
int rsz = r.objsize();
if ( lsz - rsz != 0 ) return lsz - rsz;
return memcmp(l.value()+4, r.value()+4, lsz+1);
}
case RegEx:
{
int c = strcmp(l.regex(), r.regex());
if ( c )
return c;
return strcmp(l.regexFlags(), r.regexFlags());
}
case CodeWScope : {
f = l.canonicalType() - r.canonicalType();
if ( f )
return f;
f = strcmp( l.codeWScopeCode() , r.codeWScopeCode() );
if ( f )
return f;
f = strcmp( l.codeWScopeScopeData() , r.codeWScopeScopeData() );
if ( f )
return f;
return 0;
}
default:
out() << "compareElementValues: bad type " << (int) l.type() << endl;
assert(false);
}
return -1;
}
int BSONElement::compareElements(const BSONElement& l,
const BSONElement& r,
ComparisonRulesSet rules,
const StringData::ComparatorInterface* comparator) {
switch (l.type()) {
case BSONType::EOO:
case BSONType::Undefined: // EOO and Undefined are same canonicalType
case BSONType::jstNULL:
case BSONType::MaxKey:
case BSONType::MinKey: {
auto f = l.canonicalType() - r.canonicalType();
if (f < 0)
return -1;
return f == 0 ? 0 : 1;
}
case BSONType::Bool:
return *l.value() - *r.value();
case BSONType::bsonTimestamp:
// unsigned compare for timestamps - note they are not really dates but (ordinal +
// time_t)
if (l.timestamp() < r.timestamp())
return -1;
return l.timestamp() == r.timestamp() ? 0 : 1;
case BSONType::Date:
// Signed comparisons for Dates.
{
const Date_t a = l.Date();
const Date_t b = r.Date();
if (a < b)
return -1;
return a == b ? 0 : 1;
}
case BSONType::NumberInt: {
// All types can precisely represent all NumberInts, so it is safe to simply convert to
// whatever rhs's type is.
switch (r.type()) {
case NumberInt:
return compareInts(l._numberInt(), r._numberInt());
case NumberLong:
return compareLongs(l._numberInt(), r._numberLong());
case NumberDouble:
return compareDoubles(l._numberInt(), r._numberDouble());
case NumberDecimal:
return compareIntToDecimal(l._numberInt(), r._numberDecimal());
default:
MONGO_UNREACHABLE;
}
}
case BSONType::NumberLong: {
switch (r.type()) {
case NumberLong:
return compareLongs(l._numberLong(), r._numberLong());
case NumberInt:
return compareLongs(l._numberLong(), r._numberInt());
case NumberDouble:
return compareLongToDouble(l._numberLong(), r._numberDouble());
case NumberDecimal:
return compareLongToDecimal(l._numberLong(), r._numberDecimal());
default:
MONGO_UNREACHABLE;
}
}
case BSONType::NumberDouble: {
switch (r.type()) {
case NumberDouble:
return compareDoubles(l._numberDouble(), r._numberDouble());
case NumberInt:
return compareDoubles(l._numberDouble(), r._numberInt());
case NumberLong:
return compareDoubleToLong(l._numberDouble(), r._numberLong());
case NumberDecimal:
return compareDoubleToDecimal(l._numberDouble(), r._numberDecimal());
default:
MONGO_UNREACHABLE;
}
}
case BSONType::NumberDecimal: {
switch (r.type()) {
case NumberDecimal:
return compareDecimals(l._numberDecimal(), r._numberDecimal());
case NumberInt:
return compareDecimalToInt(l._numberDecimal(), r._numberInt());
case NumberLong:
return compareDecimalToLong(l._numberDecimal(), r._numberLong());
case NumberDouble:
return compareDecimalToDouble(l._numberDecimal(), r._numberDouble());
default:
MONGO_UNREACHABLE;
}
}
case BSONType::jstOID:
return memcmp(l.value(), r.value(), OID::kOIDSize);
case BSONType::Code:
return compareElementStringValues(l, r);
case BSONType::Symbol:
case BSONType::String: {
if (comparator) {
return comparator->compare(l.valueStringData(), r.valueStringData());
} else {
return compareElementStringValues(l, r);
}
}
case BSONType::Object:
case BSONType::Array: {
return l.embeddedObject().woCompare(
r.embeddedObject(),
BSONObj(),
rules | BSONElement::ComparisonRules::kConsiderFieldName,
comparator);
}
case BSONType::DBRef: {
int lsz = l.valuesize();
int rsz = r.valuesize();
if (lsz - rsz != 0)
return lsz - rsz;
return memcmp(l.value(), r.value(), lsz);
}
case BSONType::BinData: {
int lsz = l.objsize(); // our bin data size in bytes, not including the subtype byte
int rsz = r.objsize();
if (lsz - rsz != 0)
return lsz - rsz;
return memcmp(l.value() + 4, r.value() + 4, lsz + 1 /*+1 for subtype byte*/);
}
case BSONType::RegEx: {
int c = strcmp(l.regex(), r.regex());
if (c)
return c;
return strcmp(l.regexFlags(), r.regexFlags());
}
case BSONType::CodeWScope: {
int cmp = StringData(l.codeWScopeCode(), l.codeWScopeCodeLen() - 1)
.compare(StringData(r.codeWScopeCode(), r.codeWScopeCodeLen() - 1));
if (cmp)
return cmp;
// When comparing the scope object, we should consider field names. Special string
// comparison semantics do not apply to strings nested inside the CodeWScope scope
// object, so we do not pass through the string comparator.
return l.codeWScopeObject().woCompare(
r.codeWScopeObject(),
BSONObj(),
rules | BSONElement::ComparisonRules::kConsiderFieldName);
}
}
MONGO_UNREACHABLE;
}
Handle<v8::Value> mongoToV8Element( const BSONElement &f ) {
Local< v8::ObjectTemplate > internalFieldObjects = v8::ObjectTemplate::New();
internalFieldObjects->SetInternalFieldCount( 1 );
switch ( f.type() ){
case mongo::Code:
return newFunction( f.valuestr() );
case CodeWScope:
if ( f.codeWScopeObject().isEmpty() )
log() << "warning: CodeWScope doesn't transfer to db.eval" << endl;
return newFunction( f.codeWScopeCode() );
case mongo::String:
return v8::String::New( f.valuestr() );
case mongo::jstOID:
return newId( f.__oid() );
case mongo::NumberDouble:
case mongo::NumberInt:
return v8::Number::New( f.number() );
case mongo::Array:
case mongo::Object:
return mongoToV8( f.embeddedObject() , f.type() == mongo::Array );
case mongo::Date:
return v8::Date::New( f.date() );
case mongo::Bool:
return v8::Boolean::New( f.boolean() );
case mongo::EOO:
case mongo::jstNULL:
case mongo::Undefined: // duplicate sm behavior
return v8::Null();
case mongo::RegEx: {
v8::Function * regex = getNamedCons( "RegExp" );
v8::Handle<v8::Value> argv[2];
argv[0] = v8::String::New( f.regex() );
argv[1] = v8::String::New( f.regexFlags() );
return regex->NewInstance( 2 , argv );
break;
}
case mongo::BinData: {
int len;
const char *data = f.binData( len );
v8::Function* binData = getNamedCons( "BinData" );
v8::Handle<v8::Value> argv[3];
argv[0] = v8::Number::New( len );
argv[1] = v8::Number::New( f.binDataType() );
argv[2] = v8::String::New( data, len );
return binData->NewInstance( 3, argv );
};
case mongo::Timestamp: {
Local<v8::Object> sub = internalFieldObjects->NewInstance();
sub->Set( v8::String::New( "time" ) , v8::Date::New( f.timestampTime() ) );
sub->Set( v8::String::New( "i" ) , v8::Number::New( f.timestampInc() ) );
sub->SetInternalField( 0, v8::Uint32::New( f.type() ) );
return sub;
}
case mongo::NumberLong: {
Local<v8::Object> sub = internalFieldObjects->NewInstance();
unsigned long long val = f.numberLong();
v8::Function* numberLong = getNamedCons( "NumberLong" );
v8::Handle<v8::Value> argv[2];
argv[0] = v8::Integer::New( val >> 32 );
argv[1] = v8::Integer::New( (unsigned long)(val & 0x00000000ffffffff) );
return numberLong->NewInstance( 2, argv );
}
case mongo::MinKey: {
Local<v8::Object> sub = internalFieldObjects->NewInstance();
sub->Set( v8::String::New( "$MinKey" ), v8::Boolean::New( true ) );
sub->SetInternalField( 0, v8::Uint32::New( f.type() ) );
return sub;
}
case mongo::MaxKey: {
Local<v8::Object> sub = internalFieldObjects->NewInstance();
sub->Set( v8::String::New( "$MaxKey" ), v8::Boolean::New( true ) );
sub->SetInternalField( 0, v8::Uint32::New( f.type() ) );
return sub;
}
case mongo::DBRef: {
v8::Function* dbPointer = getNamedCons( "DBPointer" );
v8::Handle<v8::Value> argv[2];
argv[0] = v8::String::New( f.dbrefNS() );
argv[1] = newId( f.dbrefOID() );
return dbPointer->NewInstance(2, argv);
}
default:
cout << "can't handle type: ";
cout << f.type() << " ";
cout << f.toString();
cout << endl;
break;
}
return v8::Undefined();
}
void BSONComparatorInterfaceBase<T>::hashCombineBSONElement(
size_t& hash,
BSONElement elemToHash,
ComparisonRulesSet rules,
const StringData::ComparatorInterface* stringComparator) {
boost::hash_combine(hash, elemToHash.canonicalType());
const StringData fieldName = elemToHash.fieldNameStringData();
if ((rules & ComparisonRules::kConsiderFieldName) && !fieldName.empty()) {
SimpleStringDataComparator::kInstance.hash_combine(hash, fieldName);
}
switch (elemToHash.type()) {
case mongo::EOO:
case mongo::Undefined:
case mongo::jstNULL:
case mongo::MaxKey:
case mongo::MinKey:
// These are valueless types
break;
case mongo::Bool:
boost::hash_combine(hash, elemToHash.boolean());
break;
case mongo::bsonTimestamp:
boost::hash_combine(hash, elemToHash.timestamp().asULL());
break;
case mongo::Date:
boost::hash_combine(hash, elemToHash.date().asInt64());
break;
case mongo::NumberDecimal: {
const Decimal128 dcml = elemToHash.numberDecimal();
if (dcml.toAbs().isGreater(Decimal128(std::numeric_limits<double>::max(),
Decimal128::kRoundTo34Digits,
Decimal128::kRoundTowardZero)) &&
!dcml.isInfinite() && !dcml.isNaN()) {
// Normalize our decimal to force equivalent decimals
// in the same cohort to hash to the same value
Decimal128 dcmlNorm(dcml.normalize());
boost::hash_combine(hash, dcmlNorm.getValue().low64);
boost::hash_combine(hash, dcmlNorm.getValue().high64);
break;
}
// Else, fall through and convert the decimal to a double and hash.
// At this point the decimal fits into the range of doubles, is infinity, or is NaN,
// which doubles have a cheaper representation for.
}
case mongo::NumberDouble:
case mongo::NumberLong:
case mongo::NumberInt: {
// This converts all numbers to doubles, which ignores the low-order bits of
// NumberLongs > 2**53 and precise decimal numbers without double representations,
// but that is ok since the hash will still be the same for equal numbers and is
// still likely to be different for different numbers. (Note: this issue only
// applies for decimals when they are outside of the valid double range. See
// the above case.)
// SERVER-16851
const double dbl = elemToHash.numberDouble();
if (std::isnan(dbl)) {
boost::hash_combine(hash, std::numeric_limits<double>::quiet_NaN());
} else {
boost::hash_combine(hash, dbl);
}
break;
}
case mongo::jstOID:
elemToHash.__oid().hash_combine(hash);
break;
case mongo::String: {
if (stringComparator) {
stringComparator->hash_combine(hash, elemToHash.valueStringData());
} else {
SimpleStringDataComparator::kInstance.hash_combine(hash,
elemToHash.valueStringData());
}
break;
}
case mongo::Code:
case mongo::Symbol:
SimpleStringDataComparator::kInstance.hash_combine(hash, elemToHash.valueStringData());
break;
case mongo::Object:
case mongo::Array:
hashCombineBSONObj(hash,
elemToHash.embeddedObject(),
rules | ComparisonRules::kConsiderFieldName,
stringComparator);
break;
case mongo::DBRef:
case mongo::BinData:
// All bytes of the value are required to be identical.
SimpleStringDataComparator::kInstance.hash_combine(
hash, StringData(elemToHash.value(), elemToHash.valuesize()));
break;
case mongo::RegEx:
SimpleStringDataComparator::kInstance.hash_combine(hash, elemToHash.regex());
SimpleStringDataComparator::kInstance.hash_combine(hash, elemToHash.regexFlags());
break;
case mongo::CodeWScope: {
SimpleStringDataComparator::kInstance.hash_combine(
hash, StringData(elemToHash.codeWScopeCode(), elemToHash.codeWScopeCodeLen()));
hashCombineBSONObj(hash,
elemToHash.codeWScopeObject(),
rules | ComparisonRules::kConsiderFieldName,
&SimpleStringDataComparator::kInstance);
break;
}
}
}
Handle<v8::Value> mongoToV8Element( const BSONElement &f ) {
switch ( f.type() ){
case mongo::Code:
cout << "warning, code saved in database just turned into string right now" << endl;
case mongo::String:
return v8::String::New( f.valuestr() );
case mongo::jstOID: {
v8::Function * idCons = getObjectIdCons();
v8::Handle<v8::Value> argv[1];
argv[0] = v8::String::New( f.__oid().str().c_str() );
return idCons->NewInstance( 1 , argv );
}
case mongo::NumberDouble:
case mongo::NumberInt:
return v8::Number::New( f.number() );
case mongo::Array:
case mongo::Object:
return mongoToV8( f.embeddedObject() , f.type() == mongo::Array );
case mongo::Date:
return v8::Date::New( f.date() );
case mongo::Bool:
return v8::Boolean::New( f.boolean() );
case mongo::EOO:
case mongo::jstNULL:
return v8::Null();
case mongo::RegEx: {
v8::Function * regex = getNamedCons( "RegExp" );
v8::Handle<v8::Value> argv[2];
argv[0] = v8::String::New( f.regex() );
argv[1] = v8::String::New( f.regexFlags() );
return regex->NewInstance( 2 , argv );
break;
}
case mongo::BinData: {
Local<v8::Object> b = v8::Object::New();
int len;
f.binData( len );
b->Set( v8::String::New( "subtype" ) , v8::Number::New( f.binDataType() ) );
b->Set( v8::String::New( "length" ) , v8::Number::New( len ) );
return b;
};
case mongo::Timestamp: {
Local<v8::Object> sub = v8::Object::New();
sub->Set( v8::String::New( "time" ) , v8::Date::New( f.timestampTime() ) );
sub->Set( v8::String::New( "i" ) , v8::Number::New( f.timestampInc() ) );
return sub;
}
case mongo::MinKey:
// TODO: make a special type
return v8::String::New( "MinKey" );
case mongo::MaxKey:
// TODO: make a special type
return v8::String::New( "MaxKey" );
case mongo::Undefined:
return v8::Undefined();
default:
cout << "can't handle type: ";
cout << f.type() << " ";
cout << f.toString();
cout << endl;
break;
}
return v8::Undefined();
}
jsval toval( const BSONElement& e ) {
switch( e.type() ) {
case EOO:
case jstNULL:
case Undefined:
return JSVAL_NULL;
case NumberDouble:
case NumberInt:
return toval( e.number() );
case Symbol: // TODO: should we make a special class for this
case String:
return toval( e.valuestr() );
case Bool:
return e.boolean() ? JSVAL_TRUE : JSVAL_FALSE;
case Object: {
BSONObj embed = e.embeddedObject().getOwned();
return toval( &embed );
}
case Array: {
BSONObj embed = e.embeddedObject().getOwned();
if ( embed.isEmpty() ) {
return OBJECT_TO_JSVAL( JS_NewArrayObject( _context , 0 , 0 ) );
}
int n = embed.nFields();
JSObject * array = JS_NewArrayObject( _context , n , 0 );
assert( array );
jsval myarray = OBJECT_TO_JSVAL( array );
for ( int i=0; i<n; i++ ) {
jsval v = toval( embed[i] );
assert( JS_SetElement( _context , array , i , &v ) );
}
return myarray;
}
case jstOID: {
OID oid = e.__oid();
JSObject * o = JS_NewObject( _context , &object_id_class , 0 , 0 );
setProperty( o , "str" , toval( oid.str().c_str() ) );
return OBJECT_TO_JSVAL( o );
}
case RegEx: {
const char * flags = e.regexFlags();
uintN flagNumber = 0;
while ( *flags ) {
switch ( *flags ) {
case 'g':
flagNumber |= JSREG_GLOB;
break;
case 'i':
flagNumber |= JSREG_FOLD;
break;
case 'm':
flagNumber |= JSREG_MULTILINE;
break;
//case 'y': flagNumber |= JSREG_STICKY; break;
default:
log() << "warning: unknown regex flag:" << *flags << endl;
}
flags++;
}
JSObject * r = JS_NewRegExpObject( _context , (char*)e.regex() , strlen( e.regex() ) , flagNumber );
assert( r );
return OBJECT_TO_JSVAL( r );
}
case Code: {
JSFunction * func = compileFunction( e.valuestr() );
return OBJECT_TO_JSVAL( JS_GetFunctionObject( func ) );
}
case CodeWScope: {
JSFunction * func = compileFunction( e.codeWScopeCode() );
BSONObj extraScope = e.codeWScopeObject();
if ( ! extraScope.isEmpty() ) {
log() << "warning: CodeWScope doesn't transfer to db.eval" << endl;
}
return OBJECT_TO_JSVAL( JS_GetFunctionObject( func ) );
}
case Date:
return OBJECT_TO_JSVAL( js_NewDateObjectMsec( _context , (jsdouble) e.date().millis ) );
case MinKey:
return OBJECT_TO_JSVAL( JS_NewObject( _context , &minkey_class , 0 , 0 ) );
case MaxKey:
return OBJECT_TO_JSVAL( JS_NewObject( _context , &maxkey_class , 0 , 0 ) );
case Timestamp: {
JSObject * o = JS_NewObject( _context , ×tamp_class , 0 , 0 );
setProperty( o , "t" , toval( (double)(e.timestampTime()) ) );
setProperty( o , "i" , toval( (double)(e.timestampInc()) ) );
return OBJECT_TO_JSVAL( o );
}
case NumberLong: {
boost::uint64_t val = (boost::uint64_t)e.numberLong();
JSObject * o = JS_NewObject( _context , &numberlong_class , 0 , 0 );
setProperty( o , "floatApprox" , toval( (double)(boost::int64_t)( val ) ) );
if ( (boost::int64_t)val != (boost::int64_t)(double)(boost::int64_t)( val ) ) {
// using 2 doubles here instead of a single double because certain double
// bit patterns represent undefined values and sm might trash them
setProperty( o , "top" , toval( (double)(boost::uint32_t)( val >> 32 ) ) );
setProperty( o , "bottom" , toval( (double)(boost::uint32_t)( val & 0x00000000ffffffff ) ) );
}
return OBJECT_TO_JSVAL( o );
}
case DBRef: {
JSObject * o = JS_NewObject( _context , &dbpointer_class , 0 , 0 );
setProperty( o , "ns" , toval( e.dbrefNS() ) );
JSObject * oid = JS_NewObject( _context , &object_id_class , 0 , 0 );
setProperty( oid , "str" , toval( e.dbrefOID().str().c_str() ) );
setProperty( o , "id" , OBJECT_TO_JSVAL( oid ) );
return OBJECT_TO_JSVAL( o );
}
case BinData: {
JSObject * o = JS_NewObject( _context , &bindata_class , 0 , 0 );
int len;
const char * data = e.binData( len );
assert( JS_SetPrivate( _context , o , new BinDataHolder( data ) ) );
setProperty( o , "len" , toval( len ) );
setProperty( o , "type" , toval( (int)e.binDataType() ) );
return OBJECT_TO_JSVAL( o );
}
}
