author | František Kučera <franta-hg@frantovo.cz> |
Mon, 27 Aug 2018 00:06:14 +0200 | |
branch | v_0 |
changeset 17 | ec750c536705 |
parent 16 | 9b8139bb0519 |
child 18 | e11f1ad20826 |
permissions | -rw-r--r-- |
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#pragma once |
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#include <string> |
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#include <iostream> |
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#include <vector> |
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#include <relpipe/protocol/constants.h> |
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#include "../include/relpipe/reader/typedefs.h" |
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#include "../include/relpipe/reader/RelationalReader.h" |
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#include "../include/relpipe/reader/TypeId.h" |
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#include "../include/relpipe/reader/handlers/RelationalReaderBaseHandler.h" |
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#include "../include/relpipe/reader/handlers/RelationalReaderStringHandler.h" |
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#include "../include/relpipe/reader/handlers/RelationalReaderValueHandler.h" |
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#include "DataTypeReaderBase.h" |
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#include "types/BooleanDataTypeReader.h" |
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#include "types/IntegerDataTypeReader.h" |
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#include "types/StringDataTypeReader.h" |
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namespace relpipe { |
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namespace reader { |
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using namespace relpipe::protocol; |
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class StreamRelationalReader : public RelationalReader { |
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private: |
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std::istream &input; |
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types::BooleanDataTypeReader booleanReader; |
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types::IntegerDataTypeReader integerReader; |
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types::StringDataTypeReader stringReader; |
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std::vector<DataTypeReaderBase*> readers = {&booleanReader, &integerReader, &stringReader}; |
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std::vector<handlers::RelationalReaderStringHadler*> stringHandlers; |
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std::vector<handlers::RelationalReaderValueHadler*> valueHandlers; |
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/** |
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* count of columns in the current table |
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*/ |
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integer_t columnCount; |
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/** |
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* number of column (0 = first) that will be written; after writing, the number is increased and prepared for next one |
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*/ |
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integer_t currentColumn; |
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/** |
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* types of columns in the current table |
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*/ |
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std::vector<TypeId> columnTypes; |
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public: |
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StreamRelationalReader(std::istream &input) : |
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input(input) { |
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} |
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string_t toTypeCode(const TypeId typeId) override { |
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for (DataTypeReaderBase* reader : readers) if (reader->supports(typeId)) return reader->getTypeCode(); |
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throw RelpipeReaderException(L"Unsupported data type: " + static_cast<integer_t> (typeId)); |
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} |
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void addHandler(handlers::RelationalReaderStringHadler* handler) override { |
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stringHandlers.push_back(handler); |
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} |
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void addHandler(handlers::RelationalReaderValueHadler* handler) override { |
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valueHandlers.push_back(handler); |
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} |
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void process() override { |
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for (int i = 0; i < stringHandlers.size(); i++) { |
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// FIXME: parse and call methods |
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stringHandlers[i]->startRelation(L"TODO: table",{ |
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{L"a", TypeId::STRING}, |
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{L"b", TypeId::STRING}, |
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{L"c", TypeId::STRING} |
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}); |
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} |
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for (int i = 0; i < valueHandlers.size(); i++) { |
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// FIXME: parse and call methods |
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valueHandlers[i]->startRelation(L"TODO: table value",{ |
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{L"av", TypeId::STRING}, |
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{L"bv", TypeId::STRING}, |
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{L"cv", TypeId::STRING} |
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}); |
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} |
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// FIXME: parse and call methods |
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for (int row = 0; row < 3; row++) { |
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for (int i = 0; i < stringHandlers.size(); i++) stringHandlers[i]->attribute(L"x"); |
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} |
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} |
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}; |
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} |
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} |