2020-01-06 10:03:55 +01:00
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< div id = "projectname" > mastodonpp
2020-01-16 18:34:50 +01:00
  < span id = "projectnumber" > 0.4.0< / span >
2020-01-06 10:03:55 +01:00
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< div class = "title" > example01_instance_info.cpp< / div > < / div >
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< div class = "fragment" > < div class = "line" > < span class = "comment" > /* This file is part of mastodonpp.< / span > < / div >
< div class = "line" > < span class = "comment" > * Copyright © 2020 tastytea < tastytea@tastytea.de> < / span > < / div >
< div class = "line" > < span class = "comment" > *< / span > < / div >
< div class = "line" > < span class = "comment" > * Permission to use, copy, modify, and/or distribute this software for any< / span > < / div >
< div class = "line" > < span class = "comment" > * purpose with or without fee is hereby granted.< / span > < / div >
< div class = "line" > < span class = "comment" > *< / span > < / div >
< div class = "line" > < span class = "comment" > * THE SOFTWARE IS PROVIDED " AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES< / span > < / div >
< div class = "line" > < span class = "comment" > * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF< / span > < / div >
< div class = "line" > < span class = "comment" > * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY< / span > < / div >
< div class = "line" > < span class = "comment" > * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES< / span > < / div >
< div class = "line" > < span class = "comment" > * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION< / span > < / div >
< div class = "line" > < span class = "comment" > * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN< / span > < / div >
< div class = "line" > < span class = "comment" > * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.< / span > < / div >
< div class = "line" > < span class = "comment" > */< / span > < / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "comment" > // Print information about an instance (/api/v1/instance).< / span > < / div >
< div class = "line" > < / div >
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< div class = "line" > < span class = "preprocessor" > #include " mastodonpp.hpp" < / span > < / div >
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< div class = "line" > < / div >
< div class = "line" > < span class = "preprocessor" > #include < iostream> < / span > < / div >
< div class = "line" > < span class = "preprocessor" > #include < string> < / span > < / div >
< div class = "line" > < span class = "preprocessor" > #include < string_view> < / span > < / div >
< div class = "line" > < span class = "preprocessor" > #include < vector> < / span > < / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "keyword" > namespace < / span > masto = < a class = "code" href = "namespacemastodonpp.html" > mastodonpp< / a > ;< / div >
< div class = "line" > < span class = "keyword" > using< / span > std::cout;< / div >
< div class = "line" > < span class = "keyword" > using< / span > std::cerr;< / div >
< div class = "line" > < span class = "keyword" > using< / span > std::endl;< / div >
< div class = "line" > < span class = "keyword" > using< / span > std::to_string;< / div >
< div class = "line" > < span class = "keyword" > using< / span > std::string_view;< / div >
< div class = "line" > < span class = "keyword" > using< / span > std::vector;< / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "keywordtype" > int< / span > main(< span class = "keywordtype" > int< / span > argc, < span class = "keywordtype" > char< / span > *argv[])< / div >
< div class = "line" > {< / div >
< div class = "line" > < span class = "keyword" > const< / span > vector< string_view> args(argv, argv + argc);< / div >
< div class = "line" > < span class = "keywordflow" > if< / span > (args.size() < = 1)< / div >
< div class = "line" > {< / div >
< div class = "line" > cerr < < < span class = "stringliteral" > " Usage: " < / span > < < args[0] < < < span class = "stringliteral" > " < instance hostname> \n" < / span > ;< / div >
< div class = "line" > < span class = "keywordflow" > return< / span > 1;< / div >
< div class = "line" > }< / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "keywordflow" > try< / span > < / div >
< div class = "line" > {< / div >
< div class = "line" > < span class = "comment" > // Initialize an Instance.< / span > < / div >
< div class = "line" > masto::Instance instance{args[1], {}};< / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "comment" > // Get maximum allowed characters per post.< / span > < / div >
< div class = "line" > < span class = "keyword" > const< / span > < span class = "keyword" > auto< / span > max_chars{instance.get_max_chars()};< / div >
< div class = "line" > cout < < < span class = "stringliteral" > " Maximum characters per post: " < / span > < < max_chars < < < span class = "stringliteral" > " \n\n" < / span > ;< / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "comment" > // Initialize a Connection.< / span > < / div >
< div class = "line" > masto::Connection connection{instance};< / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "comment" > // Get information about the instance.< / span > < / div >
< div class = "line" > masto::answer_type answer{connection.get(masto::API::v1::instance)};< / div >
< div class = "line" > < span class = "keywordflow" > if< / span > (answer)< / div >
< div class = "line" > {< / div >
< div class = "line" > cout < < answer < < endl;< / div >
< div class = "line" > }< / div >
< div class = "line" > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > {< / div >
< div class = "line" > < span class = "keywordflow" > if< / span > (answer.curl_error_code == 0)< / div >
< div class = "line" > {< / div >
< div class = "line" > < span class = "comment" > // If it is no libcurl error, it must be an HTTP error.< / span > < / div >
< div class = "line" > cerr < < < span class = "stringliteral" > " HTTP status: " < / span > < < answer.http_status < < endl;< / div >
< div class = "line" > }< / div >
< div class = "line" > < span class = "keywordflow" > else< / span > < / div >
< div class = "line" > {< / div >
< div class = "line" > < span class = "comment" > // Network errors like “Couldn' t resolve host.”.< / span > < / div >
< div class = "line" > cerr < < < span class = "stringliteral" > " libcurl error " < / span > < < to_string(answer.curl_error_code)< / div >
< div class = "line" > < < < span class = "stringliteral" > " : " < / span > < < answer.error_message < < endl;< / div >
< div class = "line" > }< / div >
< div class = "line" > }< / div >
< div class = "line" > }< / div >
< div class = "line" > < span class = "keywordflow" > catch< / span > (< span class = "keyword" > const< / span > masto::CURLException & e)< / div >
< div class = "line" > {< / div >
< div class = "line" > < span class = "comment" > // Only libcurl errors that are not network errors will be thrown.< / span > < / div >
< div class = "line" > < span class = "comment" > // There went probably something wrong with the initialization.< / span > < / div >
< div class = "line" > cerr < < e.what() < < endl;< / div >
< div class = "line" > }< / div >
< div class = "line" > < / div >
< div class = "line" > < span class = "keywordflow" > return< / span > 0;< / div >
< div class = "line" > }< / div >
< / div > <!-- fragment --> < / div > <!-- contents -->
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< div class = "ttc" id = "anamespacemastodonpp_html" > < div class = "ttname" > < a href = "namespacemastodonpp.html" > mastodonpp< / a > < / div > < div class = "ttdoc" > C++ wrapper for the Mastodon API.< / div > < div class = "ttdef" > < b > Definition:< / b > api.cpp:19< / div > < / div >
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