author | František Kučera <franta-hg@frantovo.cz> |
Wed, 30 Oct 2019 16:47:42 +0100 | |
branch | v_0 |
changeset 42 | e3de8202fdb4 |
parent 41 | 744b61559eb2 |
permissions | -rw-r--r-- |
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license: GNU GPLv3+
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/** |
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license of protocol, reader and writer: GNU LGPLv3+ or GNU GPLv2+
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* Relational pipes (library) |
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license: GNU GPLv3+
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* Copyright © 2018 František Kučera (Frantovo.cz, GlobalCode.info) |
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license: GNU GPLv3+
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* |
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license: GNU GPLv3+
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* This program is free software: you can redistribute it and/or modify |
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license of protocol, reader and writer: GNU LGPLv3+ or GNU GPLv2+
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* it under the terms of the: |
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license of protocol, reader and writer: GNU LGPLv3+ or GNU GPLv2+
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* - GNU Lesser General Public License as published by the Free Software Foundation; |
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* version 3 of the License or (at your option) |
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license of protocol, reader and writer: GNU LGPLv3+ or GNU GPLv2+
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* - GNU General Public License as published by the Free Software Foundation; |
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parents:
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* version 2 of the License. |
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license: GNU GPLv3+
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* |
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license: GNU GPLv3+
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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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license: GNU GPLv3+
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* |
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license: GNU GPLv3+
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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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#pragma once |
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#include <functional> |
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#include <sstream> |
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#include "DataTypeWriterBase.h" |
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namespace relpipe { |
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namespace writer { |
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template<typename T> class DataTypeWriter : public DataTypeWriterBase { |
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public: |
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DataTypeWriter(const TypeId typeId, const string_t typeCode) : DataTypeWriterBase(typeId, typeCode) { |
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} |
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virtual ~DataTypeWriter() { |
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}; |
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virtual void writeValue(std::ostream& output, const T& value) = 0; |
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void writeRaw(std::ostream& output, const void * value, const std::type_info& type) override { |
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if (type == typeid (T)) { |
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const T v = *(static_cast<const T*>(value)); |
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writeValue(output, v); |
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} else { |
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wstringstream message; |
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message << L"Data type in writeRaw() does not match – got: " << type.name() << " but expected: " << typeid (T).name(); |
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throw RelpipeWriterException(message.str()); |
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} |
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} |
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void writeString(std::ostream& output, const string_t &stringValue) override { |
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writeValue(output, toValue(stringValue)); |
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} |
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virtual T toValue(const string_t &stringValue) = 0; |
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}; |
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} |
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} |