mastodonpp  0.5.7
C++ wrapper for the Mastodon and Pleroma APIs.
Classes | Typedefs | Enumerations | Functions
mastodonpp Namespace Reference

C++ wrapper for the Mastodon API. More...

Classes

struct  answer_type
 Return type for Requests. More...
 
class  API
 Holds API endpoints. More...
 
class  Connection
 Represents a connection to an instance. Used for requests. More...
 
class  CURLException
 Exception for libcurl errors. More...
 
class  CURLWrapper
 Handles the details of network connections. More...
 
struct  event_type
 A stream event. More...
 
class  Instance
 Holds the access data of an instance. More...
 

Typedefs

using endpoint_variant = variant< API::endpoint_type, string_view >
 An endpoint. Either API::endpoint_type or std::string_view. More...
 
using parametermap = map< string_view, variant< string_view, vector< string_view > >>
 std::map of parameters for API calls. More...
 
using parameterpair = pair< string_view, variant< string_view, vector< string_view > >>
 A single parameter of a parametermap. More...
 

Enumerations

enum  http_method {
  GET, POST, PATCH, PUT,
  DELETE
}
 The HTTP method. More...
 

Functions

string unescape_html (string html)
 Replaces HTML entities with UTF-8 characters. More...
 
std::ostream & operator<< (std::ostream &out, const answer_type &answer)
 

Detailed Description

C++ wrapper for the Mastodon API.

Since
0.1.0

Typedef Documentation

◆ endpoint_variant

using mastodonpp::endpoint_variant = typedef variant<API::endpoint_type, string_view>

An endpoint. Either API::endpoint_type or std::string_view.

Since
0.1.0

◆ parametermap

using mastodonpp::parametermap = typedef map<string_view, variant<string_view, vector<string_view> >>

std::map of parameters for API calls.

Note that arrays always have to be specified as vectors, even if they have only 1 element. To send a file, use “@file:” followed by the file name as value.

Example:

parametermap parameters
{
{"poll[expires_in]", "86400"},
{"poll[options]", vector<string_view>{"Yes", "No", "Maybe"}},
{"status", "How is the weather?"}
};
Since
0.1.0

◆ parameterpair

using mastodonpp::parameterpair = typedef pair<string_view, variant<string_view, vector<string_view> >>

A single parameter of a parametermap.

Since
0.1.0

Enumeration Type Documentation

◆ http_method

enum mastodonpp::http_method
strong

The HTTP method.

Since
0.1.0
40 {
41  GET, // NOLINT(readability-identifier-naming)
42  POST, // NOLINT(readability-identifier-naming)
43  PATCH, // NOLINT(readability-identifier-naming)
44  PUT, // NOLINT(readability-identifier-naming)
45  DELETE // NOLINT(readability-identifier-naming)
46 };

Function Documentation

◆ operator<<()

std::ostream& mastodonpp::operator<< ( std::ostream &  out,
const answer_type &  answer 
)
Since
0.1.0
41 {
42  out << answer.body;
43  return out;
44 }

◆ unescape_html()

string mastodonpp::unescape_html ( string  html)

Replaces HTML entities with UTF-8 characters.

Supports named and numbered entities, decimal and hexadecimal.

Example:

// Will output: 2€ = 2€ = 2€
std::cout << mastodonpp::unescape_html("2&euro; = 2&#8364; = 2&#x20ac;");
Parameters
htmlThe HTML to unescape.
Since
0.4.0
40 {
41  string buffer{move(html)};
42  string output;
43 
44  // Source: https://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_
45  // entity_references#Character_entity_references_in_HTML
46  const map<string_view, char32_t>
47  names{{"exclamation", 0x0021}, {"quot", 0x0022}, {"percent", 0x0025},
48  {"amp", 0x0026}, {"apos", 0x0027}, {"add", 0x002B},
49  {"lt", 0x003C}, {"equal", 0x003D}, {"gt", 0x003E},
50  {"nbsp", 0x00A0}, {"iexcl", 0x00A1}, {"cent", 0x00A2},
51  {"pound", 0x00A3}, {"curren", 0x00A4}, {"yen", 0x00A5},
52  {"brvbar", 0x00A6}, {"sect", 0x00A7}, {"uml", 0x00A8},
53  {"copy", 0x00A9}, {"ordf", 0x00AA}, {"laquo", 0x00AB},
54  {"not", 0x00AC}, {"shy", 0x00AD}, {"reg", 0x00AE},
55  {"macr", 0x00AF}, {"deg", 0x00B0}, {"plusmn", 0x00B1},
56  {"sup2", 0x00B2}, {"sup3", 0x00B3}, {"acute", 0x00B4},
57  {"micro", 0x00B5}, {"para", 0x00B6}, {"middot", 0x00B7},
58  {"cedil", 0x00B8}, {"sup1", 0x00B9}, {"ordm", 0x00BA},
59  {"raquo", 0x00BB}, {"frac14", 0x00BC}, {"frac12", 0x00BD},
60  {"frac34", 0x00BE}, {"iquest", 0x00BF}, {"Agrave", 0x00C0},
61  {"Aacute", 0x00C1}, {"Acirc", 0x00C2}, {"Atilde", 0x00C3},
62  {"Auml", 0x00C4}, {"Aring", 0x00C5}, {"AElig", 0x00C6},
63  {"Ccedil", 0x00C7}, {"Egrave", 0x00C8}, {"Eacute", 0x00C9},
64  {"Ecirc", 0x00CA}, {"Euml", 0x00CB}, {"Igrave", 0x00CC},
65  {"Iacute", 0x00CD}, {"Icirc", 0x00CE}, {"Iuml", 0x00CF},
66  {"ETH", 0x00D0}, {"Ntilde", 0x00D1}, {"Ograve", 0x00D2},
67  {"Oacute", 0x00D3}, {"Ocirc", 0x00D4}, {"Otilde", 0x00D5},
68  {"Ouml", 0x00D6}, {"times", 0x00D7}, {"Oslash", 0x00D8},
69  {"Ugrave", 0x00D9}, {"Uacute", 0x00DA}, {"Ucirc", 0x00DB},
70  {"Uuml", 0x00DC}, {"Yacute", 0x00DD}, {"THORN", 0x00DE},
71  {"szlig", 0x00DF}, {"agrave", 0x00E0}, {"aacute", 0x00E1},
72  {"acirc", 0x00E2}, {"atilde", 0x00E3}, {"auml", 0x00E4},
73  {"aring", 0x00E5}, {"aelig", 0x00E6}, {"ccedil", 0x00E7},
74  {"egrave", 0x00E8}, {"eacute", 0x00E9}, {"ecirc", 0x00EA},
75  {"euml", 0x00EB}, {"igrave", 0x00EC}, {"iacute", 0x00ED},
76  {"icirc", 0x00EE}, {"iuml", 0x00EF}, {"eth", 0x00F0},
77  {"ntilde", 0x00F1}, {"ograve", 0x00F2}, {"oacute", 0x00F3},
78  {"ocirc", 0x00F4}, {"otilde", 0x00F5}, {"ouml", 0x00F6},
79  {"divide", 0x00F7}, {"oslash", 0x00F8}, {"ugrave", 0x00F9},
80  {"uacute", 0x00FA}, {"ucirc", 0x00FB}, {"uuml", 0x00FC},
81  {"yacute", 0x00FD}, {"thorn", 0x00FE}, {"yuml", 0x00FF},
82  {"OElig", 0x0152}, {"oelig", 0x0153}, {"Scaron", 0x0160},
83  {"scaron", 0x0161}, {"Yuml", 0x0178}, {"fnof", 0x0192},
84  {"circ", 0x02C6}, {"tilde", 0x02DC}, {"Alpha", 0x0391},
85  {"Beta", 0x0392}, {"Gamma", 0x0393}, {"Delta", 0x0394},
86  {"Epsilon", 0x0395}, {"Zeta", 0x0396}, {"Eta", 0x0397},
87  {"Theta", 0x0398}, {"Iota", 0x0399}, {"Kappa", 0x039A},
88  {"Lambda", 0x039B}, {"Mu", 0x039C}, {"Nu", 0x039D},
89  {"Xi", 0x039E}, {"Omicron", 0x039F}, {"Pi", 0x03A0},
90  {"Rho", 0x03A1}, {"Sigma", 0x03A3}, {"Tau", 0x03A4},
91  {"Upsilon", 0x03A5}, {"Phi", 0x03A6}, {"Chi", 0x03A7},
92  {"Psi", 0x03A8}, {"Omega", 0x03A9}, {"alpha", 0x03B1},
93  {"beta", 0x03B2}, {"gamma", 0x03B3}, {"delta", 0x03B4},
94  {"epsilon", 0x03B5}, {"zeta", 0x03B6}, {"eta", 0x03B7},
95  {"theta", 0x03B8}, {"iota", 0x03B9}, {"kappa", 0x03BA},
96  {"lambda", 0x03BB}, {"mu", 0x03BC}, {"nu", 0x03BD},
97  {"xi", 0x03BE}, {"omicron", 0x03BF}, {"pi", 0x03C0},
98  {"rho", 0x03C1}, {"sigmaf", 0x03C2}, {"sigma", 0x03C3},
99  {"tau", 0x03C4}, {"upsilon", 0x03C5}, {"phi", 0x03C6},
100  {"chi", 0x03C7}, {"psi", 0x03C8}, {"omega", 0x03C9},
101  {"thetasym", 0x03D1}, {"upsih", 0x03D2}, {"piv", 0x03D6},
102  {"ensp", 0x2002}, {"emsp", 0x2003}, {"thinsp", 0x2009},
103  {"zwnj", 0x200C}, {"zwj", 0x200D}, {"lrm", 0x200E},
104  {"rlm", 0x200F}, {"ndash", 0x2013}, {"mdash", 0x2014},
105  {"horbar", 0x2015}, {"lsquo", 0x2018}, {"rsquo", 0x2019},
106  {"sbquo", 0x201A}, {"ldquo", 0x201C}, {"rdquo", 0x201D},
107  {"bdquo", 0x201E}, {"dagger", 0x2020}, {"Dagger", 0x2021},
108  {"bull", 0x2022}, {"hellip", 0x2026}, {"permil", 0x2030},
109  {"prime", 0x2032}, {"Prime", 0x2033}, {"lsaquo", 0x2039},
110  {"rsaquo", 0x203A}, {"oline", 0x203E}, {"frasl", 0x2044},
111  {"euro", 0x20AC}, {"image", 0x2111}, {"weierp", 0x2118},
112  {"real", 0x211C}, {"trade", 0x2122}, {"alefsym", 0x2135},
113  {"larr", 0x2190}, {"uarr", 0x2191}, {"rarr", 0x2192},
114  {"darr", 0x2193}, {"harr", 0x2194}, {"crarr", 0x21B5},
115  {"lArr", 0x21D0}, {"uArr", 0x21D1}, {"rArr", 0x21D2},
116  {"dArr", 0x21D3}, {"hArr", 0x21D4}, {"forall", 0x2200},
117  {"part", 0x2202}, {"exist", 0x2203}, {"empty", 0x2205},
118  {"nabla", 0x2207}, {"isin", 0x2208}, {"notin", 0x2209},
119  {"ni", 0x220B}, {"prod", 0x220F}, {"sum", 0x2211},
120  {"minus", 0x2212}, {"lowast", 0x2217}, {"radic", 0x221A},
121  {"prop", 0x221D}, {"infin", 0x221E}, {"ang", 0x2220},
122  {"and", 0x2227}, {"or", 0x2228}, {"cap", 0x2229},
123  {"cup", 0x222A}, {"int", 0x222B}, {"there4", 0x2234},
124  {"sim", 0x223C}, {"cong", 0x2245}, {"asymp", 0x2248},
125  {"ne", 0x2260}, {"equiv", 0x2261}, {"le", 0x2264},
126  {"ge", 0x2265}, {"sub", 0x2282}, {"sup", 0x2283},
127  {"nsub", 0x2284}, {"sube", 0x2286}, {"supe", 0x2287},
128  {"oplus", 0x2295}, {"otimes", 0x2297}, {"perp", 0x22A5},
129  {"sdot", 0x22C5}, {"lceil", 0x2308}, {"rceil", 0x2309},
130  {"lfloor", 0x230A}, {"rfloor", 0x230B}, {"lang", 0x2329},
131  {"rang", 0x232A}, {"loz", 0x25CA}, {"spades", 0x2660},
132  {"clubs", 0x2663}, {"hearts", 0x2665}, {"diams", 0x2666}};
133 
134  // Used to convert number to utf-8 char.
135  wstring_convert<codecvt_utf8<char32_t>, char32_t> u8c;
136  // Matches numbered entities between 1 and 8 digits, decimal or hexadecimal,
137  // or named entities.
138  const regex re_entity{"&(#(x)?([[:alnum:]]{1,8})"
139  "|[^;[:space:][:punct:]]+);"};
140  smatch match;
141 
142  while (regex_search(buffer, match, re_entity))
143  {
144  output += match.prefix().str();
145  try
146  {
147  // clang-format off
148  const char32_t codepoint{[&match, &names]
149  {
150  // clang-format on
151  // If it doesn't start with a '#' it is a named entity.
152  if (match[1].str()[0] != '#')
153  {
154  return names.at(match[1].str());
155  }
156  // 'x' after '#' means the number is hexadecimal.
157  if (match[2].length() == 1)
158  {
159  return static_cast<char32_t>(
160  stoul(match[3].str(), nullptr, 16));
161  }
162  // '#' without 'x' means the number is decimal.
163  return static_cast<char32_t>(
164  stoul(match[3].str(), nullptr, 10));
165  }()};
166  output += u8c.to_bytes(codepoint);
167  }
168  catch (const std::out_of_range &) // Named entity could not be found.
169  {
170  output += match.str();
171  }
172  buffer = match.suffix().str();
173  }
174  output += buffer;
175 
176  return output;
177 }
mastodonpp::parametermap
map< string_view, variant< string_view, vector< string_view > >> parametermap
std::map of parameters for API calls.
Definition: types.hpp:64
mastodonpp::unescape_html
string unescape_html(string html)
Replaces HTML entities with UTF-8 characters.
Definition: helpers.cpp:39
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