# Crow: include/crow/common.h Source File

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common.h
#pragma once
#include <vector>
#include <string>
#include <stdexcept>
#include <iostream>
#include "crow/utility.h"
namespace crow
{
const char cr = '\r';
const char lf = '\n';
const std::string crlf("\r\n");
enum class HTTPMethod : char
{
#ifndef DELETE
DELETE = 0,
GET,
HEAD,
POST,
PUT,
CONNECT,
OPTIONS,
TRACE,
PATCH,
PURGE,
COPY,
LOCK,
MKCOL,
MOVE,
PROPFIND,
PROPPATCH,
SEARCH,
UNLOCK,
BIND,
REBIND,
UNBIND,
ACL,
REPORT,
MKACTIVITY,
CHECKOUT,
MERGE,
MSEARCH,
NOTIFY,
SUBSCRIBE,
UNSUBSCRIBE,
MKCALENDAR,
LINK,
UNLINK,
SOURCE,
#endif
Delete = 0,
Get,
Head,
Post,
Put,
Connect,
Options,
Trace,
Patch,
Purge,
Copy,
Lock,
MkCol,
Move,
Propfind,
Proppatch,
Search,
Unlock,
Bind,
Rebind,
Unbind,
Acl,
Report,
MkActivity,
Checkout,
Merge,
MSearch,
Notify,
Subscribe,
Unsubscribe,
MkCalendar,
Link,
Unlink,
Source,
InternalMethodCount,
// should not add an item below this line: used for array count
};
constexpr const char* method_strings[] =
{
"DELETE",
"GET",
"HEAD",
"POST",
"PUT",
"CONNECT",
"OPTIONS",
"TRACE",
"PATCH",
"PURGE",
"COPY",
"LOCK",
"MKCOL",
"MOVE",
"PROPFIND",
"PROPPATCH",
"SEARCH",
"UNLOCK",
"BIND",
"REBIND",
"UNBIND",
"ACL",
"REPORT",
"MKACTIVITY",
"CHECKOUT",
"MERGE",
"M-SEARCH",
"NOTIFY",
"SUBSCRIBE",
"UNSUBSCRIBE",
"MKCALENDAR",
"LINK",
"UNLINK",
"SOURCE"};
inline std::string method_name(HTTPMethod method)
{
if (CROW_LIKELY(method < HTTPMethod::InternalMethodCount))
{
return method_strings[(unsigned char)method];
}
return "invalid";
}
// clang-format off
enum status
{
CONTINUE = 100,
SWITCHING_PROTOCOLS = 101,
OK = 200,
CREATED = 201,
ACCEPTED = 202,
NON_AUTHORITATIVE_INFORMATION = 203,
NO_CONTENT = 204,
RESET_CONTENT = 205,
PARTIAL_CONTENT = 206,
MULTIPLE_CHOICES = 300,
MOVED_PERMANENTLY = 301,
FOUND = 302,
SEE_OTHER = 303,
NOT_MODIFIED = 304,
TEMPORARY_REDIRECT = 307,
PERMANENT_REDIRECT = 308,
BAD_REQUEST = 400,
UNAUTHORIZED = 401,
FORBIDDEN = 403,
NOT_FOUND = 404,
METHOD_NOT_ALLOWED = 405,
NOT_ACCEPTABLE = 406,
PROXY_AUTHENTICATION_REQUIRED = 407,
CONFLICT = 409,
GONE = 410,
PAYLOAD_TOO_LARGE = 413,
UNSUPPORTED_MEDIA_TYPE = 415,
RANGE_NOT_SATISFIABLE = 416,
EXPECTATION_FAILED = 417,
PRECONDITION_REQUIRED = 428,
TOO_MANY_REQUESTS = 429,
UNAVAILABLE_FOR_LEGAL_REASONS = 451,
INTERNAL_SERVER_ERROR = 500,
NOT_IMPLEMENTED = 501,
BAD_GATEWAY = 502,
SERVICE_UNAVAILABLE = 503,
GATEWAY_TIMEOUT = 504,
VARIANT_ALSO_NEGOTIATES = 506
};
// clang-format on
enum class ParamType : char
{
INT,
UINT,
DOUBLE,
STRING,
PATH,
MAX
};
/// @cond SKIP
struct routing_params
{
std::vector<int64_t> int_params;
std::vector<uint64_t> uint_params;
std::vector<double> double_params;
std::vector<std::string> string_params;
void debug_print() const
{
std::cerr << "routing_params" << std::endl;
for (auto i : int_params)
std::cerr << i << ", ";
std::cerr << std::endl;
for (auto i : uint_params)
std::cerr << i << ", ";
std::cerr << std::endl;
for (auto i : double_params)
std::cerr << i << ", ";
std::cerr << std::endl;
for (auto& i : string_params)
std::cerr << i << ", ";
std::cerr << std::endl;
}
template<typename T>
T get(unsigned) const;
};
template<>
inline int64_t routing_params::get<int64_t>(unsigned index) const
{
return int_params[index];
}
template<>
inline uint64_t routing_params::get<uint64_t>(unsigned index) const
{
return uint_params[index];
}
template<>
inline double routing_params::get<double>(unsigned index) const
{
return double_params[index];
}
template<>
inline std::string routing_params::get<std::string>(unsigned index) const
{
return string_params[index];
}
/// @endcond
struct routing_handle_result
{
uint16_t rule_index;
std::vector<uint16_t> blueprint_indices;
routing_params r_params;
HTTPMethod method;
routing_handle_result() {}
routing_handle_result(uint16_t rule_index_, std::vector<uint16_t> blueprint_indices_, routing_params r_params_):
rule_index(rule_index_),
blueprint_indices(blueprint_indices_),
r_params(r_params_) {}
routing_handle_result(uint16_t rule_index_, std::vector<uint16_t> blueprint_indices_, routing_params r_params_, HTTPMethod method_):
rule_index(rule_index_),
blueprint_indices(blueprint_indices_),
r_params(r_params_),
method(method_) {}
};
} // namespace crow
// clang-format off
#ifndef CROW_MSVC_WORKAROUND
constexpr crow::HTTPMethod method_from_string(const char* str)
{
return crow::black_magic::is_equ_p(str, "GET", 3) ? crow::HTTPMethod::Get :
crow::black_magic::is_equ_p(str, "DELETE", 6) ? crow::HTTPMethod::Delete :
crow::black_magic::is_equ_p(str, "HEAD", 4) ? crow::HTTPMethod::Head :
crow::black_magic::is_equ_p(str, "POST", 4) ? crow::HTTPMethod::Post :
crow::black_magic::is_equ_p(str, "PUT", 3) ? crow::HTTPMethod::Put :
crow::black_magic::is_equ_p(str, "OPTIONS", 7) ? crow::HTTPMethod::Options :
crow::black_magic::is_equ_p(str, "CONNECT", 7) ? crow::HTTPMethod::Connect :
crow::black_magic::is_equ_p(str, "TRACE", 5) ? crow::HTTPMethod::Trace :
crow::black_magic::is_equ_p(str, "PATCH", 5) ? crow::HTTPMethod::Patch :
crow::black_magic::is_equ_p(str, "PURGE", 5) ? crow::HTTPMethod::Purge :
crow::black_magic::is_equ_p(str, "COPY", 4) ? crow::HTTPMethod::Copy :
crow::black_magic::is_equ_p(str, "LOCK", 4) ? crow::HTTPMethod::Lock :
crow::black_magic::is_equ_p(str, "MKCOL", 5) ? crow::HTTPMethod::MkCol :
crow::black_magic::is_equ_p(str, "MOVE", 4) ? crow::HTTPMethod::Move :
crow::black_magic::is_equ_p(str, "PROPFIND", 8) ? crow::HTTPMethod::Propfind :
crow::black_magic::is_equ_p(str, "PROPPATCH", 9) ? crow::HTTPMethod::Proppatch :
crow::black_magic::is_equ_p(str, "SEARCH", 6) ? crow::HTTPMethod::Search :
crow::black_magic::is_equ_p(str, "UNLOCK", 6) ? crow::HTTPMethod::Unlock :
crow::black_magic::is_equ_p(str, "BIND", 4) ? crow::HTTPMethod::Bind :
crow::black_magic::is_equ_p(str, "REBIND", 6) ? crow::HTTPMethod::Rebind :
crow::black_magic::is_equ_p(str, "UNBIND", 6) ? crow::HTTPMethod::Unbind :
crow::black_magic::is_equ_p(str, "ACL", 3) ? crow::HTTPMethod::Acl :
crow::black_magic::is_equ_p(str, "REPORT", 6) ? crow::HTTPMethod::Report :
crow::black_magic::is_equ_p(str, "MKACTIVITY", 10) ? crow::HTTPMethod::MkActivity :
crow::black_magic::is_equ_p(str, "CHECKOUT", 8) ? crow::HTTPMethod::Checkout :
crow::black_magic::is_equ_p(str, "MERGE", 5) ? crow::HTTPMethod::Merge :
crow::black_magic::is_equ_p(str, "MSEARCH", 7) ? crow::HTTPMethod::MSearch :
crow::black_magic::is_equ_p(str, "NOTIFY", 6) ? crow::HTTPMethod::Notify :
crow::black_magic::is_equ_p(str, "SUBSCRIBE", 9) ? crow::HTTPMethod::Subscribe :
crow::black_magic::is_equ_p(str, "UNSUBSCRIBE", 11) ? crow::HTTPMethod::Unsubscribe :
crow::black_magic::is_equ_p(str, "MKCALENDAR", 10) ? crow::HTTPMethod::MkCalendar :
crow::black_magic::is_equ_p(str, "LINK", 4) ? crow::HTTPMethod::Link :
crow::black_magic::is_equ_p(str, "UNLINK", 6) ? crow::HTTPMethod::Unlink :
crow::black_magic::is_equ_p(str, "SOURCE", 6) ? crow::HTTPMethod::Source :
throw std::runtime_error("invalid http method");
}
constexpr crow::HTTPMethod operator"" _method(const char* str, size_t /*len*/)
{
return method_from_string( str );
}
#endif
// clang-format on
crow
The main namespace of the library. In this namespace is defined the most important classes and functi...
crow::routing_handle_result
Definition common.h:281