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125 строки
3.3 KiB
C++
125 строки
3.3 KiB
C++
#include <math.h>
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#include <vector>
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#include <iostream>
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#include <sstream>
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#include <curl/curl.h>
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#include <string>
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#include "histogram.h"
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#include "text.h"
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#include "svg.h"
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using namespace std;
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struct Input {
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vector<double> numbers;
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size_t bin_count{};
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};
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Input
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input_data(istream& in,bool prompt) {
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string a, b, c;
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if(prompt== true){
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a = "Enter number count:";
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b = "Enter numbers:";
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c = "Enter bin count:";
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}
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size_t number_count;
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cerr << a;
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in >> number_count;
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Input on;
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on.numbers.resize(number_count);
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for (size_t i = 0; i < number_count; i++) {
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//cerr << b << i+1 << ": ";
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in >> on.numbers[i];}
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cerr << c;
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in >> on.bin_count;
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return on;
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}
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size_t
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write_data(void* items, size_t item_size, size_t item_count, void* ctx) {
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size_t data_size = item_size * item_count;
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stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
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buffer->write(reinterpret_cast<const char*>(items), data_size);
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return data_size;
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}
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Input
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download(const string& address) {
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stringstream buffer;
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CURL* curl = curl_easy_init();
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if(curl) {
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CURLcode res;
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curl_easy_setopt(curl, CURLOPT_URL, address.c_str());
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curl_easy_setopt(curl, CURLOPT_WRITEFUNCTION, write_data);
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curl_easy_setopt(curl, CURLOPT_WRITEDATA, &buffer);
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res = curl_easy_perform(curl);
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if(res != CURLE_OK){
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cerr << curl_easy_strerror(res);
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exit(1);}
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curl_easy_cleanup(curl);}
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return input_data(buffer, false);
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}
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int main(int argc, char* argv[]){
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Input input;
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if (argc > 1) {
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string adr, format, type;
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if ((adr=argv[1]).substr(0,7)!= "http://"){
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if ((format=argv[1])== "-format"){
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if ((type=argv[2])== "svg"){
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input = download(argv[3]);
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const auto bins = make_histogram(input.numbers, input.bin_count);
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show_histogram_svg(bins);
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}
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else if ((type=argv[2])== "text"){
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input = download(argv[3]);
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auto bins = make_histogram(input.numbers, input.bin_count);
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show_histogram_text(bins, input.bin_count);}
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else
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cerr << "wrong type";}}
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else{
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if ((format=argv[2])== "-format"){
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if (argc ==3)
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cerr << "wrong type";
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else
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if ((type=argv[3])== "svg"){
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input = download(argv[1]);
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const auto bins = make_histogram(input.numbers, input.bin_count);
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show_histogram_svg(bins);}
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else if ((type=argv[3])== "text"){
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input = download(argv[1]);
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auto bins = make_histogram(input.numbers, input.bin_count);
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show_histogram_text(bins, input.bin_count);}
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}}
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}
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//auto bins = make_histogram(in.numbers, in.bin_count);
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//show_histogram_text(bins, in.bin_count, in.n);
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/*if ((adr=argv[1]).substr(0,7)== "http://"){
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input = download(argv[1]);
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if ((type=argv[2])== "svg"){
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const auto bins = make_histogram(input.numbers, input.bin_count);
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show_histogram_svg(bins);}*/
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return 0;
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}
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