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Diffstat (limited to 'src/mongo/scripting/mozjs/numberint.cpp')
-rw-r--r-- | src/mongo/scripting/mozjs/numberint.cpp | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/src/mongo/scripting/mozjs/numberint.cpp b/src/mongo/scripting/mozjs/numberint.cpp new file mode 100644 index 00000000000..1704154ac74 --- /dev/null +++ b/src/mongo/scripting/mozjs/numberint.cpp @@ -0,0 +1,112 @@ +/** + * 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/scripting/mozjs/numberint.h" + +#include "mongo/scripting/mozjs/implscope.h" +#include "mongo/scripting/mozjs/objectwrapper.h" +#include "mongo/scripting/mozjs/valuereader.h" +#include "mongo/scripting/mozjs/valuewriter.h" +#include "mongo/util/mongoutils/str.h" + +namespace mongo { +namespace mozjs { + +const JSFunctionSpec NumberIntInfo::methods[4] = { + MONGO_ATTACH_JS_FUNCTION(toNumber), + MONGO_ATTACH_JS_FUNCTION(toString), + MONGO_ATTACH_JS_FUNCTION(valueOf), + JS_FS_END, +}; + +const char* const NumberIntInfo::className = "NumberInt"; + +void NumberIntInfo::finalize(JSFreeOp* fop, JSObject* obj) { + auto x = static_cast<int*>(JS_GetPrivate(obj)); + + if (x) + delete x; +} + +int NumberIntInfo::ToNumberInt(JSContext* cx, JS::HandleValue thisv) { + auto x = static_cast<int*>(JS_GetPrivate(thisv.toObjectOrNull())); + + return x ? *x : 0; +} + +int NumberIntInfo::ToNumberInt(JSContext* cx, JS::HandleObject thisv) { + auto x = static_cast<int*>(JS_GetPrivate(thisv)); + + return x ? *x : 0; +} + +void NumberIntInfo::Functions::valueOf(JSContext* cx, JS::CallArgs args) { + int out = NumberIntInfo::ToNumberInt(cx, args.thisv()); + + args.rval().setInt32(out); +} + +void NumberIntInfo::Functions::toNumber(JSContext* cx, JS::CallArgs args) { + valueOf(cx, args); +} + +void NumberIntInfo::Functions::toString(JSContext* cx, JS::CallArgs args) { + int val = NumberIntInfo::ToNumberInt(cx, args.thisv()); + + str::stream ss; + ss << "NumberInt(" << val << ")"; + + ValueReader(cx, args.rval()).fromStringData(ss.operator std::string()); +} + +void NumberIntInfo::construct(JSContext* cx, JS::CallArgs args) { + auto scope = getScope(cx); + + JS::RootedObject thisv(cx); + + scope->getNumberIntProto().newObject(&thisv); + + int32_t x = 0; + + if (args.length() == 0) { + // Do nothing + } else if (args.length() == 1) { + x = ValueWriter(cx, args.get(0)).toInt32(); + } else { + uasserted(ErrorCodes::BadValue, "NumberInt takes 0 or 1 arguments"); + } + + JS_SetPrivate(thisv, new int(x)); + + args.rval().setObjectOrNull(thisv); +} + +} // namespace mozjs +} // namespace mongo |