/
modifier_table.cpp
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/
modifier_table.cpp
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/**
* Copyright (C) 2013 10gen 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/db/ops/modifier_table.h"
#include <string>
#include <utility>
#include "mongo/base/init.h"
#include "mongo/base/status.h"
#include "mongo/db/ops/modifier_add_to_set.h"
#include "mongo/db/ops/modifier_bit.h"
#include "mongo/db/ops/modifier_compare.h"
#include "mongo/db/ops/modifier_current_date.h"
#include "mongo/db/ops/modifier_inc.h"
#include "mongo/db/ops/modifier_pop.h"
#include "mongo/db/ops/modifier_pull.h"
#include "mongo/db/ops/modifier_pull_all.h"
#include "mongo/db/ops/modifier_push.h"
#include "mongo/db/ops/modifier_rename.h"
#include "mongo/db/ops/modifier_set.h"
#include "mongo/db/ops/modifier_unset.h"
#include "mongo/platform/unordered_map.h"
namespace mongo {
namespace modifiertable {
namespace {
struct ModifierEntry {
string name;
ModifierType type;
ModifierEntry(const StringData& name, ModifierType type)
: name(name.toString())
, type(type) {
}
};
typedef unordered_map<StringData, ModifierEntry*, StringData::Hasher> NameMap;
NameMap* MODIFIER_NAME_MAP;
void init(NameMap* nameMap) {
ModifierEntry* entryAddToSet = new ModifierEntry("$addToSet", MOD_ADD_TO_SET);
nameMap->insert(make_pair(StringData(entryAddToSet->name), entryAddToSet));
ModifierEntry* entryBit = new ModifierEntry("$bit", MOD_BIT);
nameMap->insert(make_pair(StringData(entryBit->name), entryBit));
ModifierEntry* entryCurrentDate = new ModifierEntry("$currentDate", MOD_CURRENTDATE);
nameMap->insert(make_pair(StringData(entryCurrentDate->name), entryCurrentDate));
ModifierEntry* entryInc = new ModifierEntry("$inc", MOD_INC);
nameMap->insert(make_pair(StringData(entryInc->name), entryInc));
ModifierEntry* entryMax = new ModifierEntry("$max", MOD_MAX);
nameMap->insert(make_pair(StringData(entryMax->name), entryMax));
ModifierEntry* entryMin = new ModifierEntry("$min", MOD_MIN);
nameMap->insert(make_pair(StringData(entryMin->name), entryMin));
ModifierEntry* entryMul = new ModifierEntry("$mul", MOD_MUL);
nameMap->insert(make_pair(StringData(entryMul->name), entryMul));
ModifierEntry* entryPop = new ModifierEntry("$pop", MOD_POP);
nameMap->insert(make_pair(StringData(entryPop->name), entryPop));
ModifierEntry* entryPull = new ModifierEntry("$pull", MOD_PULL);
nameMap->insert(make_pair(StringData(entryPull->name), entryPull));
ModifierEntry* entryPullAll = new ModifierEntry("$pullAll", MOD_PULL_ALL);
nameMap->insert(make_pair(StringData(entryPullAll->name), entryPullAll));
ModifierEntry* entryPush = new ModifierEntry("$push", MOD_PUSH);
nameMap->insert(make_pair(StringData(entryPush->name), entryPush));
ModifierEntry* entryPushAll = new ModifierEntry("$pushAll", MOD_PUSH_ALL);
nameMap->insert(make_pair(StringData(entryPushAll->name), entryPushAll));
ModifierEntry* entrySet = new ModifierEntry("$set", MOD_SET);
nameMap->insert(make_pair(StringData(entrySet->name), entrySet));
ModifierEntry* entrySetOnInsert = new ModifierEntry("$setOnInsert", MOD_SET_ON_INSERT);
nameMap->insert(make_pair(StringData(entrySetOnInsert->name), entrySetOnInsert));
ModifierEntry* entryRename = new ModifierEntry("$rename", MOD_RENAME);
nameMap->insert(make_pair(StringData(entryRename->name), entryRename));
ModifierEntry* entryUnset = new ModifierEntry("$unset", MOD_UNSET);
nameMap->insert(make_pair(StringData(entryUnset->name), entryUnset));
}
} // unnamed namespace
MONGO_INITIALIZER(ModifierTable)(InitializerContext* context) {
MODIFIER_NAME_MAP = new NameMap;
init(MODIFIER_NAME_MAP);
return Status::OK();
}
ModifierType getType(const StringData& typeStr) {
NameMap::const_iterator it = MODIFIER_NAME_MAP->find(typeStr);
if (it == MODIFIER_NAME_MAP->end()) {
return MOD_UNKNOWN;
}
return it->second->type;
}
ModifierInterface* makeUpdateMod(ModifierType modType) {
switch (modType) {
case MOD_ADD_TO_SET:
return new ModifierAddToSet;
case MOD_BIT:
return new ModifierBit;
case MOD_CURRENTDATE:
return new ModifierCurrentDate;
case MOD_INC:
return new ModifierInc(ModifierInc::MODE_INC);
case MOD_MAX:
return new ModifierCompare(ModifierCompare::MAX);
case MOD_MIN:
return new ModifierCompare(ModifierCompare::MIN);
case MOD_MUL:
return new ModifierInc(ModifierInc::MODE_MUL);
case MOD_POP:
return new ModifierPop;
case MOD_PULL:
return new ModifierPull;
case MOD_PULL_ALL:
return new ModifierPullAll;
case MOD_PUSH:
return new ModifierPush(ModifierPush::PUSH_NORMAL);
case MOD_PUSH_ALL:
return new ModifierPush(ModifierPush::PUSH_ALL);
case MOD_SET:
return new ModifierSet(ModifierSet::SET_NORMAL);
case MOD_SET_ON_INSERT:
return new ModifierSet(ModifierSet::SET_ON_INSERT);
case MOD_RENAME:
return new ModifierRename;
case MOD_UNSET:
return new ModifierUnset;
default:
return NULL;
}
}
} // namespace modifiertable
} // namespace mongo