MPD  0.20.15
Easy.hxx
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1 /*
2  * Copyright (C) 2016 Max Kellermann <max.kellermann@gmail.com>
3  *
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29 
30 #ifndef CURL_EASY_HXX
31 #define CURL_EASY_HXX
32 
33 #include <curl/curl.h>
34 
35 #include <utility>
36 #include <stdexcept>
37 #include <cstddef>
38 
42 class CurlEasy {
43  CURL *handle = nullptr;
44 
45 public:
52  :handle(curl_easy_init())
53  {
54  if (handle == nullptr)
55  throw std::runtime_error("curl_easy_init() failed");
56  }
57 
61  CurlEasy(std::nullptr_t):handle(nullptr) {}
62 
63  CurlEasy(CurlEasy &&src):handle(std::exchange(src.handle, nullptr)) {}
64 
66  if (handle != nullptr)
67  curl_easy_cleanup(handle);
68  }
69 
70  operator bool() const {
71  return handle != nullptr;
72  }
73 
75  std::swap(handle, src.handle);
76  return *this;
77  }
78 
79  CURL *Get() {
80  return handle;
81  }
82 
83  template<typename T>
84  void SetOption(CURLoption option, T value) {
85  CURLcode code = curl_easy_setopt(handle, option, value);
86  if (code != CURLE_OK)
87  throw std::runtime_error(curl_easy_strerror(code));
88  }
89 };
90 
91 #endif
CURL * Get()
Definition: Easy.hxx:79
An OO wrapper for a "CURL*" (a libCURL "easy" handle).
Definition: Easy.hxx:42
void SetOption(CURLoption option, T value)
Definition: Easy.hxx:84
CurlEasy()
Allocate a new CURL*.
Definition: Easy.hxx:51
CurlEasy & operator=(CurlEasy &&src)
Definition: Easy.hxx:74
CurlEasy(CurlEasy &&src)
Definition: Easy.hxx:63
CurlEasy(std::nullptr_t)
Create an empty instance.
Definition: Easy.hxx:61
~CurlEasy()
Definition: Easy.hxx:65