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/*
Licensed to the Apache Software Foundation (ASF) under one
or more contributor license agreements. See the NOTICE file
distributed with this work for additional information
regarding copyright ownership. The ASF licenses this file
to you under the Apache License, Version 2.0 (the
"License"); you may not use this file except in compliance
with the License. You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
//////////////////////////////////////////////////////////////////////////////////////////////
// Public interface for creating all operators. Don't user the operator.h interface
// directly!
//
#pragma once
#include <string>
#include "ts/ts.h"
#include "resources.h"
#include "statement.h"
#include "parser.h"
// Operator modifiers
enum OperModifiers {
OPER_NONE = 0,
OPER_LAST = 1,
OPER_NEXT = 2,
OPER_QSA = 4,
};
///////////////////////////////////////////////////////////////////////////////
// Base class for all Operators (this is also the interface)
//
class Operator : public Statement
{
public:
Operator() { TSDebug(PLUGIN_NAME_DBG, "Calling CTOR for Operator"); }
// noncopyable
Operator(const Operator &) = delete;
void operator=(const Operator &) = delete;
OperModifiers get_oper_modifiers() const;
void initialize(Parser &p) override;
void
do_exec(const Resources &res) const
{
exec(res);
if (nullptr != _next) {
static_cast<Operator *>(_next)->do_exec(res);
}
}
protected:
virtual void exec(const Resources &res) const = 0;
private:
OperModifiers _mods = OPER_NONE;
};
///////////////////////////////////////////////////////////////////////////////
// Base class for all Header based Operators, this is obviously also an
// Operator interface.
//
class OperatorHeaders : public Operator
{
public:
OperatorHeaders() { TSDebug(PLUGIN_NAME_DBG, "Calling CTOR for OperatorHeaders"); }
// noncopyable
OperatorHeaders(const OperatorHeaders &) = delete;
void operator=(const OperatorHeaders &) = delete;
void initialize(Parser &p) override;
protected:
std::string _header;
};
///////////////////////////////////////////////////////////////////////////////
// Base class for all Cookie based Operators, this is obviously also an
// Operator interface.
//
class OperatorCookies : public Operator
{
public:
OperatorCookies() { TSDebug(PLUGIN_NAME_DBG, "Calling CTOR for OperatorCookies"); }
// noncopyable
OperatorCookies(const OperatorCookies &) = delete;
void operator=(const OperatorCookies &) = delete;
void initialize(Parser &p) override;
protected:
std::string _cookie;
};
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