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89 строки
1.8 KiB
C++
89 строки
1.8 KiB
C++
#include <vector>
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#include <iostream>
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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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#include <curl/curl.h>
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#include <sstream>
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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 BinCount{};
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};
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Input
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InputData(istream& in, bool prompt) {
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Input inp;
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size_t NumberCount;
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if (prompt) {
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cerr << "Enter number count: ";
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}
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in >> NumberCount;
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inp.Numbers.resize(NumberCount);
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for (int i = 0; i < NumberCount; i++) {
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in >> inp.Numbers[i];
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}
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if (prompt) {
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cerr << "Enter bin count: ";
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}
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in >> inp.BinCount;
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return inp;
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}
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void FindMinMax(const vector<double>& Numbers, double& minn, double& maxx);
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vector<size_t> MakeHistogram(vector<double> Numbers, size_t BinCount, double& MaxCount);
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void ShowHistogrammText(vector<size_t> Bins);
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size_t
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WriteData(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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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, WriteData);
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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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cout << 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 InputData(buffer, false);
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}
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int main(int argc, char* argv[]) {
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double MaxCount = 0;
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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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}
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else {
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in = InputData(cin, true);
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}
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vector <size_t> Bins(in.BinCount);
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Bins = MakeHistogram(in.Numbers, in.BinCount, MaxCount);
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ShowHistogramSvg(Bins);
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return 0;
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}
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