Refactoring

httplib.h

@@ -1015,6 +1015,10 @@ void default_socket_options(socket_t sock);
 
 const char *status_message(int status);
 
+std::string to_string(Error error);
+
+std::ostream &operator<<(std::ostream &os, const Error &obj);
+
 std::string get_bearer_token_auth(const Request &req);
 
 namespace detail {
@@ -2307,82 +2311,6 @@ inline void default_socket_options(socket_t sock) {
                          1);
 }
 
-inline const char *status_message(int status) {
-  switch (status) {
-  case StatusCode::Continue_100: return "Continue";
-  case StatusCode::SwitchingProtocol_101: return "Switching Protocol";
-  case StatusCode::Processing_102: return "Processing";
-  case StatusCode::EarlyHints_103: return "Early Hints";
-  case StatusCode::OK_200: return "OK";
-  case StatusCode::Created_201: return "Created";
-  case StatusCode::Accepted_202: return "Accepted";
-  case StatusCode::NonAuthoritativeInformation_203:
-    return "Non-Authoritative Information";
-  case StatusCode::NoContent_204: return "No Content";
-  case StatusCode::ResetContent_205: return "Reset Content";
-  case StatusCode::PartialContent_206: return "Partial Content";
-  case StatusCode::MultiStatus_207: return "Multi-Status";
-  case StatusCode::AlreadyReported_208: return "Already Reported";
-  case StatusCode::IMUsed_226: return "IM Used";
-  case StatusCode::MultipleChoices_300: return "Multiple Choices";
-  case StatusCode::MovedPermanently_301: return "Moved Permanently";
-  case StatusCode::Found_302: return "Found";
-  case StatusCode::SeeOther_303: return "See Other";
-  case StatusCode::NotModified_304: return "Not Modified";
-  case StatusCode::UseProxy_305: return "Use Proxy";
-  case StatusCode::unused_306: return "unused";
-  case StatusCode::TemporaryRedirect_307: return "Temporary Redirect";
-  case StatusCode::PermanentRedirect_308: return "Permanent Redirect";
-  case StatusCode::BadRequest_400: return "Bad Request";
-  case StatusCode::Unauthorized_401: return "Unauthorized";
-  case StatusCode::PaymentRequired_402: return "Payment Required";
-  case StatusCode::Forbidden_403: return "Forbidden";
-  case StatusCode::NotFound_404: return "Not Found";
-  case StatusCode::MethodNotAllowed_405: return "Method Not Allowed";
-  case StatusCode::NotAcceptable_406: return "Not Acceptable";
-  case StatusCode::ProxyAuthenticationRequired_407:
-    return "Proxy Authentication Required";
-  case StatusCode::RequestTimeout_408: return "Request Timeout";
-  case StatusCode::Conflict_409: return "Conflict";
-  case StatusCode::Gone_410: return "Gone";
-  case StatusCode::LengthRequired_411: return "Length Required";
-  case StatusCode::PreconditionFailed_412: return "Precondition Failed";
-  case StatusCode::PayloadTooLarge_413: return "Payload Too Large";
-  case StatusCode::UriTooLong_414: return "URI Too Long";
-  case StatusCode::UnsupportedMediaType_415: return "Unsupported Media Type";
-  case StatusCode::RangeNotSatisfiable_416: return "Range Not Satisfiable";
-  case StatusCode::ExpectationFailed_417: return "Expectation Failed";
-  case StatusCode::ImATeapot_418: return "I'm a teapot";
-  case StatusCode::MisdirectedRequest_421: return "Misdirected Request";
-  case StatusCode::UnprocessableContent_422: return "Unprocessable Content";
-  case StatusCode::Locked_423: return "Locked";
-  case StatusCode::FailedDependency_424: return "Failed Dependency";
-  case StatusCode::TooEarly_425: return "Too Early";
-  case StatusCode::UpgradeRequired_426: return "Upgrade Required";
-  case StatusCode::PreconditionRequired_428: return "Precondition Required";
-  case StatusCode::TooManyRequests_429: return "Too Many Requests";
-  case StatusCode::RequestHeaderFieldsTooLarge_431:
-    return "Request Header Fields Too Large";
-  case StatusCode::UnavailableForLegalReasons_451:
-    return "Unavailable For Legal Reasons";
-  case StatusCode::NotImplemented_501: return "Not Implemented";
-  case StatusCode::BadGateway_502: return "Bad Gateway";
-  case StatusCode::ServiceUnavailable_503: return "Service Unavailable";
-  case StatusCode::GatewayTimeout_504: return "Gateway Timeout";
-  case StatusCode::HttpVersionNotSupported_505:
-    return "HTTP Version Not Supported";
-  case StatusCode::VariantAlsoNegotiates_506: return "Variant Also Negotiates";
-  case StatusCode::InsufficientStorage_507: return "Insufficient Storage";
-  case StatusCode::LoopDetected_508: return "Loop Detected";
-  case StatusCode::NotExtended_510: return "Not Extended";
-  case StatusCode::NetworkAuthenticationRequired_511:
-    return "Network Authentication Required";
-
-  default:
-  case StatusCode::InternalServerError_500: return "Internal Server Error";
-  }
-}
-
 inline std::string get_bearer_token_auth(const Request &req) {
   if (req.has_header("Authorization")) {
     constexpr auto bearer_header_prefix_len = detail::str_len("Bearer ");
@@ -2416,57 +2344,6 @@ Server::set_idle_interval(const std::chrono::duration<Rep, Period> &duration) {
   return *this;
 }
 
-inline std::string to_string(const Error error) {
-  switch (error) {
-  case Error::Success: return "Success (no error)";
-  case Error::Unknown: return "Unknown";
-  case Error::Connection: return "Could not establish connection";
-  case Error::BindIPAddress: return "Failed to bind IP address";
-  case Error::Read: return "Failed to read connection";
-  case Error::Write: return "Failed to write connection";
-  case Error::ExceedRedirectCount: return "Maximum redirect count exceeded";
-  case Error::Canceled: return "Connection handling canceled";
-  case Error::SSLConnection: return "SSL connection failed";
-  case Error::SSLLoadingCerts: return "SSL certificate loading failed";
-  case Error::SSLServerVerification: return "SSL server verification failed";
-  case Error::SSLServerHostnameVerification:
-    return "SSL server hostname verification failed";
-  case Error::UnsupportedMultipartBoundaryChars:
-    return "Unsupported HTTP multipart boundary characters";
-  case Error::Compression: return "Compression failed";
-  case Error::ConnectionTimeout: return "Connection timed out";
-  case Error::ProxyConnection: return "Proxy connection failed";
-  case Error::ConnectionClosed: return "Connection closed by server";
-  case Error::Timeout: return "Read timeout";
-  case Error::ResourceExhaustion: return "Resource exhaustion";
-  case Error::TooManyFormDataFiles: return "Too many form data files";
-  case Error::ExceedMaxPayloadSize: return "Exceeded maximum payload size";
-  case Error::ExceedUriMaxLength: return "Exceeded maximum URI length";
-  case Error::ExceedMaxSocketDescriptorCount:
-    return "Exceeded maximum socket descriptor count";
-  case Error::InvalidRequestLine: return "Invalid request line";
-  case Error::InvalidHTTPMethod: return "Invalid HTTP method";
-  case Error::InvalidHTTPVersion: return "Invalid HTTP version";
-  case Error::InvalidHeaders: return "Invalid headers";
-  case Error::MultipartParsing: return "Multipart parsing failed";
-  case Error::OpenFile: return "Failed to open file";
-  case Error::Listen: return "Failed to listen on socket";
-  case Error::GetSockName: return "Failed to get socket name";
-  case Error::UnsupportedAddressFamily: return "Unsupported address family";
-  case Error::HTTPParsing: return "HTTP parsing failed";
-  case Error::InvalidRangeHeader: return "Invalid Range header";
-  default: break;
-  }
-
-  return "Invalid";
-}
-
-inline std::ostream &operator<<(std::ostream &os, const Error &obj) {
-  os << to_string(obj);
-  os << " (" << static_cast<std::underlying_type<Error>::type>(obj) << ')';
-  return os;
-}
-
 inline size_t Result::get_request_header_value_u64(const std::string &key,
                                                    size_t def,
                                                    size_t id) const {
@@ -2866,54 +2743,14 @@ private:
 // NOTE: https://www.rfc-editor.org/rfc/rfc9110#section-5
 namespace fields {
 
-inline bool is_token_char(char c) {
-  return std::isalnum(c) || c == '!' || c == '#' || c == '$' || c == '%' ||
-         c == '&' || c == '\'' || c == '*' || c == '+' || c == '-' ||
-         c == '.' || c == '^' || c == '_' || c == '`' || c == '|' || c == '~';
-}
-
-inline bool is_token(const std::string &s) {
-  if (s.empty()) { return false; }
-  for (auto c : s) {
-    if (!is_token_char(c)) { return false; }
-  }
-  return true;
-}
-
-inline bool is_field_name(const std::string &s) { return is_token(s); }
-
-inline bool is_vchar(char c) { return c >= 33 && c <= 126; }
-
-inline bool is_obs_text(char c) { return 128 <= static_cast<unsigned char>(c); }
-
-inline bool is_field_vchar(char c) { return is_vchar(c) || is_obs_text(c); }
-
-inline bool is_field_content(const std::string &s) {
-  if (s.empty()) { return true; }
-
-  if (s.size() == 1) {
-    return is_field_vchar(s[0]);
-  } else if (s.size() == 2) {
-    return is_field_vchar(s[0]) && is_field_vchar(s[1]);
-  } else {
-    size_t i = 0;
-
-    if (!is_field_vchar(s[i])) { return false; }
-    i++;
-
-    while (i < s.size() - 1) {
-      auto c = s[i++];
-      if (c == ' ' || c == '\t' || is_field_vchar(c)) {
-      } else {
-        return false;
-      }
-    }
-
-    return is_field_vchar(s[i]);
-  }
-}
-
-inline bool is_field_value(const std::string &s) { return is_field_content(s); }
+bool is_token_char(char c);
+bool is_token(const std::string &s);
+bool is_field_name(const std::string &s);
+bool is_vchar(char c);
+bool is_obs_text(char c);
+bool is_field_vchar(char c);
+bool is_field_content(const std::string &s);
+bool is_field_value(const std::string &s);
 
 } // namespace fields
 
@@ -6845,8 +6682,189 @@ private:
   ContentProviderWithoutLength content_provider_;
 };
 
+// NOTE: https://www.rfc-editor.org/rfc/rfc9110#section-5
+namespace fields {
+
+inline bool is_token_char(char c) {
+  return std::isalnum(c) || c == '!' || c == '#' || c == '$' || c == '%' ||
+         c == '&' || c == '\'' || c == '*' || c == '+' || c == '-' ||
+         c == '.' || c == '^' || c == '_' || c == '`' || c == '|' || c == '~';
+}
+
+inline bool is_token(const std::string &s) {
+  if (s.empty()) { return false; }
+  for (auto c : s) {
+    if (!is_token_char(c)) { return false; }
+  }
+  return true;
+}
+
+inline bool is_field_name(const std::string &s) { return is_token(s); }
+
+inline bool is_vchar(char c) { return c >= 33 && c <= 126; }
+
+inline bool is_obs_text(char c) { return 128 <= static_cast<unsigned char>(c); }
+
+inline bool is_field_vchar(char c) { return is_vchar(c) || is_obs_text(c); }
+
+inline bool is_field_content(const std::string &s) {
+  if (s.empty()) { return true; }
+
+  if (s.size() == 1) {
+    return is_field_vchar(s[0]);
+  } else if (s.size() == 2) {
+    return is_field_vchar(s[0]) && is_field_vchar(s[1]);
+  } else {
+    size_t i = 0;
+
+    if (!is_field_vchar(s[i])) { return false; }
+    i++;
+
+    while (i < s.size() - 1) {
+      auto c = s[i++];
+      if (c == ' ' || c == '\t' || is_field_vchar(c)) {
+      } else {
+        return false;
+      }
+    }
+
+    return is_field_vchar(s[i]);
+  }
+}
+
+inline bool is_field_value(const std::string &s) { return is_field_content(s); }
+
+} // namespace fields
+
 } // namespace detail
 
+inline const char *status_message(int status) {
+  switch (status) {
+  case StatusCode::Continue_100: return "Continue";
+  case StatusCode::SwitchingProtocol_101: return "Switching Protocol";
+  case StatusCode::Processing_102: return "Processing";
+  case StatusCode::EarlyHints_103: return "Early Hints";
+  case StatusCode::OK_200: return "OK";
+  case StatusCode::Created_201: return "Created";
+  case StatusCode::Accepted_202: return "Accepted";
+  case StatusCode::NonAuthoritativeInformation_203:
+    return "Non-Authoritative Information";
+  case StatusCode::NoContent_204: return "No Content";
+  case StatusCode::ResetContent_205: return "Reset Content";
+  case StatusCode::PartialContent_206: return "Partial Content";
+  case StatusCode::MultiStatus_207: return "Multi-Status";
+  case StatusCode::AlreadyReported_208: return "Already Reported";
+  case StatusCode::IMUsed_226: return "IM Used";
+  case StatusCode::MultipleChoices_300: return "Multiple Choices";
+  case StatusCode::MovedPermanently_301: return "Moved Permanently";
+  case StatusCode::Found_302: return "Found";
+  case StatusCode::SeeOther_303: return "See Other";
+  case StatusCode::NotModified_304: return "Not Modified";
+  case StatusCode::UseProxy_305: return "Use Proxy";
+  case StatusCode::unused_306: return "unused";
+  case StatusCode::TemporaryRedirect_307: return "Temporary Redirect";
+  case StatusCode::PermanentRedirect_308: return "Permanent Redirect";
+  case StatusCode::BadRequest_400: return "Bad Request";
+  case StatusCode::Unauthorized_401: return "Unauthorized";
+  case StatusCode::PaymentRequired_402: return "Payment Required";
+  case StatusCode::Forbidden_403: return "Forbidden";
+  case StatusCode::NotFound_404: return "Not Found";
+  case StatusCode::MethodNotAllowed_405: return "Method Not Allowed";
+  case StatusCode::NotAcceptable_406: return "Not Acceptable";
+  case StatusCode::ProxyAuthenticationRequired_407:
+    return "Proxy Authentication Required";
+  case StatusCode::RequestTimeout_408: return "Request Timeout";
+  case StatusCode::Conflict_409: return "Conflict";
+  case StatusCode::Gone_410: return "Gone";
+  case StatusCode::LengthRequired_411: return "Length Required";
+  case StatusCode::PreconditionFailed_412: return "Precondition Failed";
+  case StatusCode::PayloadTooLarge_413: return "Payload Too Large";
+  case StatusCode::UriTooLong_414: return "URI Too Long";
+  case StatusCode::UnsupportedMediaType_415: return "Unsupported Media Type";
+  case StatusCode::RangeNotSatisfiable_416: return "Range Not Satisfiable";
+  case StatusCode::ExpectationFailed_417: return "Expectation Failed";
+  case StatusCode::ImATeapot_418: return "I'm a teapot";
+  case StatusCode::MisdirectedRequest_421: return "Misdirected Request";
+  case StatusCode::UnprocessableContent_422: return "Unprocessable Content";
+  case StatusCode::Locked_423: return "Locked";
+  case StatusCode::FailedDependency_424: return "Failed Dependency";
+  case StatusCode::TooEarly_425: return "Too Early";
+  case StatusCode::UpgradeRequired_426: return "Upgrade Required";
+  case StatusCode::PreconditionRequired_428: return "Precondition Required";
+  case StatusCode::TooManyRequests_429: return "Too Many Requests";
+  case StatusCode::RequestHeaderFieldsTooLarge_431:
+    return "Request Header Fields Too Large";
+  case StatusCode::UnavailableForLegalReasons_451:
+    return "Unavailable For Legal Reasons";
+  case StatusCode::NotImplemented_501: return "Not Implemented";
+  case StatusCode::BadGateway_502: return "Bad Gateway";
+  case StatusCode::ServiceUnavailable_503: return "Service Unavailable";
+  case StatusCode::GatewayTimeout_504: return "Gateway Timeout";
+  case StatusCode::HttpVersionNotSupported_505:
+    return "HTTP Version Not Supported";
+  case StatusCode::VariantAlsoNegotiates_506: return "Variant Also Negotiates";
+  case StatusCode::InsufficientStorage_507: return "Insufficient Storage";
+  case StatusCode::LoopDetected_508: return "Loop Detected";
+  case StatusCode::NotExtended_510: return "Not Extended";
+  case StatusCode::NetworkAuthenticationRequired_511:
+    return "Network Authentication Required";
+
+  default:
+  case StatusCode::InternalServerError_500: return "Internal Server Error";
+  }
+}
+
+inline std::string to_string(const Error error) {
+  switch (error) {
+  case Error::Success: return "Success (no error)";
+  case Error::Unknown: return "Unknown";
+  case Error::Connection: return "Could not establish connection";
+  case Error::BindIPAddress: return "Failed to bind IP address";
+  case Error::Read: return "Failed to read connection";
+  case Error::Write: return "Failed to write connection";
+  case Error::ExceedRedirectCount: return "Maximum redirect count exceeded";
+  case Error::Canceled: return "Connection handling canceled";
+  case Error::SSLConnection: return "SSL connection failed";
+  case Error::SSLLoadingCerts: return "SSL certificate loading failed";
+  case Error::SSLServerVerification: return "SSL server verification failed";
+  case Error::SSLServerHostnameVerification:
+    return "SSL server hostname verification failed";
+  case Error::UnsupportedMultipartBoundaryChars:
+    return "Unsupported HTTP multipart boundary characters";
+  case Error::Compression: return "Compression failed";
+  case Error::ConnectionTimeout: return "Connection timed out";
+  case Error::ProxyConnection: return "Proxy connection failed";
+  case Error::ConnectionClosed: return "Connection closed by server";
+  case Error::Timeout: return "Read timeout";
+  case Error::ResourceExhaustion: return "Resource exhaustion";
+  case Error::TooManyFormDataFiles: return "Too many form data files";
+  case Error::ExceedMaxPayloadSize: return "Exceeded maximum payload size";
+  case Error::ExceedUriMaxLength: return "Exceeded maximum URI length";
+  case Error::ExceedMaxSocketDescriptorCount:
+    return "Exceeded maximum socket descriptor count";
+  case Error::InvalidRequestLine: return "Invalid request line";
+  case Error::InvalidHTTPMethod: return "Invalid HTTP method";
+  case Error::InvalidHTTPVersion: return "Invalid HTTP version";
+  case Error::InvalidHeaders: return "Invalid headers";
+  case Error::MultipartParsing: return "Multipart parsing failed";
+  case Error::OpenFile: return "Failed to open file";
+  case Error::Listen: return "Failed to listen on socket";
+  case Error::GetSockName: return "Failed to get socket name";
+  case Error::UnsupportedAddressFamily: return "Unsupported address family";
+  case Error::HTTPParsing: return "HTTP parsing failed";
+  case Error::InvalidRangeHeader: return "Invalid Range header";
+  default: break;
+  }
+
+  return "Invalid";
+}
+
+inline std::ostream &operator<<(std::ostream &os, const Error &obj) {
+  os << to_string(obj);
+  os << " (" << static_cast<std::underlying_type<Error>::type>(obj) << ')';
+  return os;
+}
+
 inline std::string hosted_at(const std::string &hostname) {
   std::vector<std::string> addrs;
   hosted_at(hostname, addrs);