author | František Kučera <franta-hg@frantovo.cz> |
Sun, 25 Jul 2021 18:22:07 +0200 | |
branch | v_0 |
changeset 4 | 368ba99bb98f |
parent 2 | 7128fabeede0 |
permissions | -rw-r--r-- |
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/** |
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* Relational pipes |
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* Copyright © 2021 František Kučera (Frantovo.cz, GlobalCode.info) |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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*/ |
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#include <cstdlib> |
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#include <vector> |
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#include <sstream> |
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#include <memory> |
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#include <relpipe/writer/RelationalWriter.h> |
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#include <relpipe/writer/RelpipeWriterException.h> |
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#include <relpipe/writer/AttributeMetadata.h> |
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#include <relpipe/common/type/typedefs.h> |
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#include <relpipe/cli/CLI.h> |
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#include "lib/ASN1ContentHandler.h" |
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#include "lib/BasicASN1Reader.h" |
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#include "lib/TransactionalBuffer.h" |
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#include "ASN1Command.h" |
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#include "RelpipeASN1ContentHandler.h" |
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#include "FreeformASN1ContentHandler.h" |
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using namespace std; |
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using namespace relpipe::writer; |
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using namespace relpipe::in::asn1::lib; |
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namespace relpipe { |
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namespace in { |
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namespace asn1 { |
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void ASN1Command::process(std::istream& input, std::shared_ptr<writer::RelationalWriter> writer, Configuration& configuration) { |
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// TODO: parse ASN.1 and write relational data |
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BasicASN1Reader reader; |
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std::shared_ptr<ASN1ContentHandler> asn1handler; |
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if (configuration.mode == Mode::Relpipe) asn1handler = std::make_shared<RelpipeASN1ContentHandler>(writer, configuration); |
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else if (configuration.mode == Mode::Freeform) asn1handler = std::make_shared<FreeformASN1ContentHandler>(writer, configuration); |
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else throw RelpipeWriterException(L"Unsupported mode in ASN1Command: " + std::to_wstring((int) configuration.mode)); |
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for (ParserOptionRecipe o : configuration.parserOptions) { |
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int n = 0; |
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n += reader.setOption(convertor.to_bytes(o.uri), convertor.to_bytes(o.value)); |
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n += asn1handler->setOption(convertor.to_bytes(o.uri), convertor.to_bytes(o.value)); |
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if (n == 0) throw RelpipeWriterException(L"Invalid parser option: „" + o.uri + L"“ with value: „" + o.value + L"“"); |
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} |
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reader.addHandler(asn1handler); |
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try { |
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// TODO: buffering? (reader itself also buffers) |
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for (uint8_t b = input.get(); input.good(); b = input.get()) reader.write(&b, 1); |
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} catch (const relpipe::in::asn1::lib::TransactionalBuffer::WriteBufferOverflowException& e) { |
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// TODO: avoid leaky abstraction and use different exception |
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throw relpipe::writer::RelpipeWriterException(L"Transactional buffer for ASN.1 input is too small"); |
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} |
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reader.close(); |
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} |
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} |
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} |
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} |