ArgumentsCommand.h
branchv_0
changeset 11 3798b6bc9aea
child 20 a18b6964d300
equal deleted inserted replaced
10:77593735b057 11:3798b6bc9aea
       
     1 #pragma once
       
     2 
       
     3 #include <cstdlib>
       
     4 #include <iostream>
       
     5 #include <string>
       
     6 #include <vector>
       
     7 #include <algorithm>
       
     8 
       
     9 #include <typedefs.h>
       
    10 
       
    11 #include "Command.h"
       
    12 
       
    13 namespace relpipe {
       
    14 namespace in {
       
    15 namespace cli {
       
    16 
       
    17 class ArgumentsCommand : public Command {
       
    18 public:
       
    19 
       
    20 	void process(std::istream& input, std::ostream& output, const relpipe::writer::string_t& command, const std::vector<relpipe::writer::string_t>& arguments) override {
       
    21 		using namespace relpipe::writer;
       
    22 
       
    23 		size_t i = 0;
       
    24 		string_t relationName = arguments[i++];
       
    25 		integer_t attributeCount = std::stoul(arguments[i++]); // TODO: use integer data type's method?
       
    26 		boolean_t writeHeader = true; // TODO: add option for header omitting
       
    27 
       
    28 		// TODO: check argument count
       
    29 
       
    30 		std::shared_ptr<RelationalWriter> writer(Factory::create(output));
       
    31 
       
    32 		std::vector<std::pair<string_t, TypeId >> attributes(attributeCount);
       
    33 
       
    34 		for (size_t j = 0; j < attributeCount; j++) {
       
    35 			string_t attributeName = arguments[i++];
       
    36 			TypeId attributeType = writer->toTypeId(arguments[i++]);
       
    37 			attributes[j] = {attributeName, attributeType};
       
    38 		}
       
    39 
       
    40 		writer->startRelation(relationName, attributes, writeHeader);
       
    41 
       
    42 		for (; i < arguments.size(); i++) {
       
    43 			writer->writeAttribute(arguments[i]);
       
    44 		}
       
    45 	}
       
    46 };
       
    47 
       
    48 }
       
    49 }
       
    50 }