88 lines
2.7 KiB
C++
88 lines
2.7 KiB
C++
/* This file is part of mastodonpp.
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* Copyright © 2020 tastytea <tastytea@tastytea.de>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
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* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION
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* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
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* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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// Print information about an instance (/api/v1/instance).
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#if __has_include("mastodonpp.hpp")
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# include "mastodonpp.hpp" // We're building mastodonpp.
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#else
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# include <mastodonpp/mastodonpp.hpp> // We're building outside mastodonpp.
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#endif
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#include <iostream>
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#include <string>
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#include <string_view>
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#include <vector>
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namespace masto = mastodonpp;
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using std::cout;
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using std::cerr;
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using std::endl;
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using std::to_string;
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using std::string_view;
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using std::vector;
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int main(int argc, char *argv[])
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{
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const vector<string_view> args(argv, argv + argc);
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if (args.size() <= 1)
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{
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cerr << "Usage: " << args[0] << " <instance hostname>\n";
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return 1;
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}
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try
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{
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// Initialize an Instance.
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masto::Instance instance{args[1], {}};
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// Get maximum allowed characters per post.
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const auto max_chars{instance.get_max_chars()};
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cout << "Maximum characters per post: " << max_chars << "\n\n";
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// Initialize a Connection.
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masto::Connection connection{instance};
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// Get information about the instance.
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masto::answer_type answer{connection.get(masto::API::v1::instance)};
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if (answer)
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{
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cout << answer << endl;
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}
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else
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{
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if (answer.curl_error_code == 0)
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{
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// If it is no libcurl error, it must be an HTTP error.
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cerr << "HTTP status: " << answer.http_status << endl;
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}
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else
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{
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// Network errors like “Couldn't resolve host.”.
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cerr << "libcurl error " << to_string(answer.curl_error_code)
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<< ": " << answer.error_message << endl;
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}
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}
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}
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catch (const masto::CURLException &e)
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{
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// Only libcurl errors that are not network errors will be thrown.
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// There went probably something wrong with the initialization.
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cerr << e.what() << endl;
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}
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return 0;
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}
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