src/DataMode.h
branchv_0
changeset 6 779897b055c6
parent 1 da114916734b
child 7 b8f130c7998e
equal deleted inserted replaced
5:9ddc9462e25b 6:779897b055c6
    27 namespace tr {
    27 namespace tr {
    28 namespace infertypes {
    28 namespace infertypes {
    29 
    29 
    30 class DataMode : public Mode {
    30 class DataMode : public Mode {
    31 private:
    31 private:
       
    32 	relpipe::common::type::StringX name;
       
    33 	std::vector<relpipe::reader::handlers::AttributeMetadata> attributes;
       
    34 	std::vector<relpipe::common::type::StringX> values;
       
    35 
       
    36 	bool matches(int attributeIndex, const std::wregex& pattern) {
       
    37 		for (int record = 0, attributeCount = attributes.size(), limit = values.size() / attributeCount; record < limit; record++) if (!std::regex_match(values[record * attributeIndex], pattern)) return false;
       
    38 		return true;
       
    39 	}
       
    40 
    32 public:
    41 public:
    33 
    42 
    34 	DataMode(shared_ptr<writer::RelationalWriter> relationalWriter) : Mode(relationalWriter) {
    43 	DataMode(shared_ptr<writer::RelationalWriter> relationalWriter) : Mode(relationalWriter) {
    35 	}
    44 	}
    36 
    45 
    37 	void startRelation(relpipe::common::type::StringX name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) override {
    46 	void startRelation(relpipe::common::type::StringX name, std::vector<relpipe::reader::handlers::AttributeMetadata> attributes) override {
       
    47 		this->name = name;
       
    48 		this->attributes = attributes;
    38 	}
    49 	}
    39 
    50 
    40 	void attribute(const relpipe::common::type::StringX& value) override {
    51 	void attribute(const relpipe::common::type::StringX& value) override {
       
    52 		values.push_back(value);
       
    53 	}
       
    54 
       
    55 	virtual ~DataMode() {
       
    56 		std::vector<bool> booleans(attributes.size(), true);
       
    57 		std::vector<bool> integers(attributes.size(), true);
       
    58 
       
    59 		for (int i = 0, limit = attributes.size(); i < limit; i++) {
       
    60 			booleans[i] = matches(i, std::wregex(L"true|false"));
       
    61 			integers[i] = matches(i, std::wregex(L"[0-9]+"));
       
    62 		}
       
    63 
       
    64 		vector<writer::AttributeMetadata> writerMetadata;
       
    65 		for (int i = 0, limit = attributes.size(); i < limit; i++) {
       
    66 			relpipe::reader::handlers::AttributeMetadata& am = attributes[i];
       
    67 
       
    68 			relpipe::writer::TypeId type;
       
    69 			if (booleans[i]) type = relpipe::writer::TypeId::BOOLEAN;
       
    70 			else if (integers[i]) type = relpipe::writer::TypeId::INTEGER;
       
    71 			else type = relpipe::writer::TypeId::STRING;
       
    72 
       
    73 			writerMetadata.push_back({am.getAttributeName(), type});
       
    74 		}
       
    75 
       
    76 		relationalWriter->startRelation(name, writerMetadata, true);
       
    77 		for (relpipe::common::type::StringX& value : values) relationalWriter->writeAttribute(value);
    41 	}
    78 	}
    42 };
    79 };
    43 
    80 
    44 
    81 
    45 }
    82 }