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Темы должны начинаться с буквы или цифры, могут содержать дефисы(-) и должны содержать не более 35 символов.
101 строка
2.3 KiB
C++
101 строка
2.3 KiB
C++
#include <iostream>
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#include <string>
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#include <sstream>
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#include <vector>
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#include <curl/curl.h>
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#include <stdio.h>
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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& inp, bool prompt){
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size_t number_count;
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if (prompt){
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cerr << "enter number_count";
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}
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inp >> number_count;
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Input in;
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in.numbers.resize(number_count);
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if (prompt){
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std::cerr << "enter numbers";
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}
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for (size_t i = 0; i < number_count; i++){
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inp >> in.numbers[i];
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}
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if (prompt){
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std::cerr << "enter bin_count";
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}
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inp >> in.bin_count;
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return in;
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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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stringstream* buffer = reinterpret_cast<stringstream*>(ctx);
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size_t data_size = item_size * item_count;
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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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string
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filling(const string& key, const string& color){
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if(strcmp(key.c_str(), "-fill") == 0){
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if (strcmp(color.c_str(), " ") == 0){
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cerr << "Error: no color specified";
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exit(1);
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}
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return color.c_str();
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}
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}
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Input
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download(const string& adress){
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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, adress.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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}
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curl_easy_cleanup(curl);
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}
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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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string color = "base";
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curl_global_init(CURL_GLOBAL_ALL);
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Input in;
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if (argc > 1) {
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in = download(argv[1]);
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} else {
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in = input_data(cin, true);
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}
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if (argc > 2){
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if (argv[3] == NULL){
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color = filling(argv[2], " ");
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}
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else{
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color = filling(argv[2], argv[3]);
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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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auto borders = make_borders(in.numbers, in.bin_count);
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show_histogram_svg(bins, borders, in.bin_count, color);
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}
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