1 /**

     2  * Relational pipes

     3  * Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info)

     4  *

     5  * This program is free software: you can redistribute it and/or modify

     6  * it under the terms of the GNU General Public License as published by

     7  * the Free Software Foundation, version 3 of the License.

     8  *

     9  * This program is distributed in the hope that it will be useful,

    10  * but WITHOUT ANY WARRANTY; without even the implied warranty of

    11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the

    12  * GNU General Public License for more details.

    13  *

    14  * You should have received a copy of the GNU General Public License

    15  * along with this program. If not, see <http://www.gnu.org/licenses/>.

    16  */

    17 #pragma once

    18 

    19 #include <memory>

    20 

    21 #include "ASN1Reader.h"

    22 

    23 namespace relpipe {

    24 namespace in {

    25 namespace asn1 {

    26 namespace lib {

    27 

    28 /**

    29  * Reads ASN.1 data encoded as BER (DER, CER).

    30  */

    31 class BasicASN1Reader : public ASN1Reader {

    32 public:

    33 	virtual ~BasicASN1Reader() = default;

    34 

    35 	virtual void addHandler(std::shared_ptr<ASN1ContentHandler> handler) {

    36 	};

    37 

    38 	virtual void process() {

    39 	};

    40 

    41 	static ASN1Reader* create(std::istream& input) {

    42 		return new BasicASN1Reader();

    43 	}

    44 

    45 private:

    46 

    47 	enum class State {

    48 		A,

    49 		B,

    50 		C

    51 	};

    52 

    53 	State state = State::A;

    54 

    55 protected:

    56 

    57 	void update() override {

    58 

    59 		if (state == State::A) {

    60 			

    61 		} else if (state == State::B) {

    62 			

    63 		} else if (state == State::C) {

    64 			

    65 		}

    66 

    67 

    68 

    69 	}

    70 

    71 };

    72 

    73 }

    74 }

    75 }

    76 }