first commit

main.cpp

@@ -0,0 +1,105 @@
+//
+// main.cpp
+// curly
+//
+// Created by Bob Polis at 2020-09-01
+// Copyright (c) 2020 SwiftCoder. All rights reserved.
+//
+
+#include <iostream>
+#include <cstdlib>
+#include <string>
+#include <stdexcept>
+#include <vector>
+#include <cstring>
+#include <getopt.h>
+#include <curl/curl.h>
+#include <libsclogging.hpp>
+
+sc::logger logger {"curly", sc::loglevel::info};
+
+void print_help() {
+    std::cout << "usage: curly [-h|--version]\n";
+    std::cout << "  -h, --help    show this help text and exit\n";
+    std::cout << "  --version     show version number and exit\n";
+}
+
+void print_version() {
+    std::cout << "curly version 1.0\n";
+}
+
+size_t write_data(void* buf, size_t sz, size_t nmemb, void* userp) {
+    size_t realsize = sz * nmemb;
+    SCInfo(logger, "received ", realsize, " bytes");
+    std::vector<char>* dest {reinterpret_cast<std::vector<char>*>(userp)};
+    size_t oldsize = dest->size();
+    dest->resize(oldsize + realsize);
+    std::memcpy(dest->data() + oldsize, buf, realsize);
+    return realsize;
+}
+
+int main(int argc, const char * argv[]) {
+    try {
+        int opt_char, opt_val;
+        struct option long_options[] = {
+            {"help", no_argument, nullptr, 'h'},
+            {"version", no_argument, &opt_val, 1},
+            {nullptr, 0, nullptr, 0}
+        };
+        while ((opt_char = getopt_long(argc, const_cast<char* const *>(argv), "h", long_options, nullptr)) != -1) {
+            std::string arg {optarg ? optarg : ""};
+            switch (opt_char) {
+                case 0: {
+                    // handle long-only options here
+                    switch (opt_val) {
+                        case 1:
+                            print_version();
+                            return EXIT_SUCCESS;
+                    }
+                    break;
+                }
+                case 'h':
+                    print_help();
+                    return EXIT_SUCCESS;
+                case '?':
+                    throw std::runtime_error("unrecognized option");
+            }
+        }
+        if (optind == argc) {
+            // here when no file args
+        }
+        for (int i = optind; i < argc; ++i) {
+            try {
+                // process file argv[i]
+            } catch (const std::runtime_error& ex) {
+                std::cerr << "curly: " << ex.what() << '\n';
+            }
+        }
+        std::cout << "hello, curly\n";
+
+        curl_global_init(CURL_GLOBAL_ALL);
+        auto easy_handle = curl_easy_init();
+        curl_easy_setopt(easy_handle, CURLOPT_URL, "https://www.swiftcoder.nl/");
+        curl_easy_setopt(easy_handle, CURLOPT_WRITEFUNCTION, write_data);
+        std::vector<char> buf;
+        curl_easy_setopt(easy_handle, CURLOPT_WRITEDATA, &buf);
+        auto success = curl_easy_perform(easy_handle);
+        if (success != CURLE_OK) throw std::runtime_error("could not get remote data");
+
+        std::string text {buf.data(), buf.size()};
+        std::cout << text << '\n';
+
+        curl_easy_setopt(easy_handle, CURLOPT_URL, "https://www.swiftcoder.nl/moneydance/");
+        buf.clear();
+        success = curl_easy_perform(easy_handle);
+        if (success != CURLE_OK) throw std::runtime_error("could not get remote data");
+
+        std::string page2 {buf.data(), buf.size()};
+        std::cout << page2 << '\n';
+        
+    } catch (const std::exception& ex) {
+        std::cerr << "curly: " << ex.what() << '\n';
+        return EXIT_FAILURE;
+    }
+    return EXIT_SUCCESS;
+}