HW3_IO_template.cpp

#include <msgpack.hpp>
#include <iostream>
#include <fstream>
#include <vector>
#include <string>
#include <sstream>
#include <queue>
using namespace std;

void finput(const string& filename, vector<string>& );
void foutput(const string& filename, vector<string>& );
void split(string& ins, vector<string>& vec);
void append(string& sa,const string& sb);

int main(){
	static vector<string> inputs, outputs;
	//finput("input.txt",inputs);
	finput("input_example.txt",inputs);
	
	int T = inputs[0][0]-'0'; // T<=5
	outputs.resize(T);
	
	append(outputs[0],(string)"aa 0932804251 bb 0932804266");
	append(outputs[0],(string)"cc 0932804310");
	append(outputs[0],(string)"aa 0932804251 bb 0932804266");
		
	append(outputs[1],(string)"ee 0932804326 ii 0932804354 hh 0932804383 dd 0932804384 ff 0932804402 gg 0932804410");
	append(outputs[1],(string)"ii 0932804354");
	append(outputs[1],(string)"ee 0932804326 ii 0932804354 hh 0932804383 dd 0932804384 ff 0932804402 gg 0932804410");
	append(outputs[1],(string)"hh 0932804383 dd 0932804384");
	append(outputs[1],(string)"ff 0932804402 gg 0932804410");
	append(outputs[1],(string)"ee 0932804326");
	append(outputs[1],(string)"ii 0932804354");
	
	foutput("output.txt",outputs);
}

void finput(const string &filename, vector<string>& in ){
	std::ifstream ifs(filename.c_str(), std::ifstream::in);
    std::string buffer((std::istreambuf_iterator<char>(ifs)), std::istreambuf_iterator<char>());

    msgpack::unpacker pac;
    pac.reserve_buffer( buffer.size() );
    std::copy( buffer.begin(), buffer.end(), pac.buffer() );
    pac.buffer_consumed( buffer.size() );

    msgpack::object_handle oh;
	
	pac.next(oh);
	oh.get().convert(in);
}

void foutput(const string &filename,  vector<string>& out ){
    msgpack::sbuffer sbuf;
	msgpack::pack(sbuf, out);

    fstream outf;
    outf.open(filename.c_str(), ios::out | ios::binary);
    outf.write(sbuf.data(), sbuf.size() );
    outf.close();
}

void split(string &ins, vector<string>& vec){
	static stringstream ss;
	vec.clear();
	ss.str(ins);
	ins.clear();

	string s;
	while (ss >> s)vec.push_back(s);
	
	ss.clear();
}

void append(string& sa,const string& sb){
	if (sa.size()!=0)sa.append(" ");
	sa.append(sb);
}