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/**
* Copyright (C) 2015 MongoDB Inc.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* As a special exception, the copyright holders give permission to link the
* code of portions of this program with the OpenSSL library under certain
* conditions as described in each individual source file and distribute
* linked combinations including the program with the OpenSSL library. You
* must comply with the GNU Affero General Public License in all respects for
* all of the code used other than as permitted herein. If you modify file(s)
* with this exception, you may extend this exception to your version of the
* file(s), but you are not obligated to do so. If you do not wish to do so,
* delete this exception statement from your version. If you delete this
* exception statement from all source files in the program, then also delete
* it in the license file.
*/
#include "mongo/platform/basic.h"
#include "mongo/db/matcher/extensions_callback.h"
#include "mongo/bson/util/bson_extract.h"
namespace mongo {
StatusWith<TextMatchExpressionBase::TextParams>
ExtensionsCallback::extractTextMatchExpressionParams(BSONElement text) {
TextMatchExpressionBase::TextParams params;
if (text.type() != Object) {
return {ErrorCodes::BadValue, "$text expects an object"};
}
BSONObj queryObj = text.Obj();
//
// Parse required fields.
//
Status queryStatus = bsonExtractStringField(queryObj, "$search", ¶ms.query);
if (!queryStatus.isOK()) {
return queryStatus;
}
//
// Parse optional fields.
//
int expectedFieldCount = 1;
Status languageStatus = bsonExtractStringField(queryObj, "$language", ¶ms.language);
if (languageStatus == ErrorCodes::TypeMismatch) {
return languageStatus;
} else if (languageStatus == ErrorCodes::NoSuchKey) {
params.language = std::string();
} else {
invariant(languageStatus);
expectedFieldCount++;
}
Status caseSensitiveStatus =
bsonExtractBooleanField(queryObj, "$caseSensitive", ¶ms.caseSensitive);
if (caseSensitiveStatus == ErrorCodes::TypeMismatch) {
return caseSensitiveStatus;
} else if (caseSensitiveStatus == ErrorCodes::NoSuchKey) {
params.caseSensitive = TextMatchExpressionBase::kCaseSensitiveDefault;
} else {
invariant(caseSensitiveStatus);
expectedFieldCount++;
}
Status diacriticSensitiveStatus =
bsonExtractBooleanField(queryObj, "$diacriticSensitive", ¶ms.diacriticSensitive);
if (diacriticSensitiveStatus == ErrorCodes::TypeMismatch) {
return diacriticSensitiveStatus;
} else if (diacriticSensitiveStatus == ErrorCodes::NoSuchKey) {
params.diacriticSensitive = TextMatchExpressionBase::kDiacriticSensitiveDefault;
} else {
invariant(diacriticSensitiveStatus);
expectedFieldCount++;
}
if (queryObj.nFields() != expectedFieldCount) {
return {ErrorCodes::BadValue, "extra fields in $text"};
}
return {std::move(params)};
}
StatusWith<WhereMatchExpressionBase::WhereParams>
ExtensionsCallback::extractWhereMatchExpressionParams(BSONElement where) {
WhereMatchExpressionBase::WhereParams params;
switch (where.type()) {
case mongo::String:
case mongo::Code:
params.code = where._asCode();
params.scope = BSONObj();
break;
case mongo::CodeWScope:
params.code = where._asCode();
params.scope = where.codeWScopeObject().getOwned();
break;
default:
return {ErrorCodes::BadValue, "$where got bad type"};
}
if (params.code.empty()) {
return {ErrorCodes::BadValue, "code for $where cannot be empty"};
}
return params;
}
} // namespace mongo
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