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This commit is contained in:
Nicolas Werner 2022-09-21 02:58:35 +02:00
parent 7efb4a22c7
commit efb9970178
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GPG key ID: C8D75E610773F2D9
7 changed files with 39 additions and 78 deletions
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84
src/EventAccessors.cpp
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@ -9,12 +9,10 @@
#include <algorithm>
#include <cctype>
#include <concepts>
#include <type_traits>
namespace {
template<template<class...> class Op, class... Args>
using is_detected = typename nheko::detail::detector<nheko::nonesuch, void, Op, Args...>::value_t;
struct IsStateEvent
{
template<class T>
@ -31,19 +29,13 @@ struct IsStateEvent
struct EventMsgType
{
template<class E>
using msgtype_t = decltype(E::msgtype);
template<class T>
mtx::events::MessageType operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<msgtype_t, T>::value) {
if constexpr (std::is_same_v<std::optional<std::string>,
std::remove_cv_t<decltype(e.content.msgtype)>>)
return mtx::events::getMessageType(e.content.msgtype.value());
else if constexpr (std::is_same_v<std::string,
std::remove_cv_t<decltype(e.content.msgtype)>>)
return mtx::events::getMessageType(e.content.msgtype);
}
if constexpr (requires(decltype(e) t) { t.content.msgtype.value(); })
return mtx::events::getMessageType(e.content.msgtype.value());
else if constexpr (requires(decltype(e) t) { std::string{t.content.msgtype}; })
return mtx::events::getMessageType(e.content.msgtype);
return mtx::events::MessageType::Unknown;
}
};
@ -94,31 +86,23 @@ struct CallType
struct EventBody
{
template<class C>
using body_t = decltype(C::body);
template<class T>
std::string operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<body_t, T>::value) {
if constexpr (std::is_same_v<std::optional<std::string>,
std::remove_cv_t<decltype(e.content.body)>>)
return e.content.body ? e.content.body.value() : "";
else if constexpr (std::is_same_v<std::string,
std::remove_cv_t<decltype(e.content.body)>>)
return e.content.body;
}
if constexpr (requires(decltype(e) t) { t.content.body.value(); })
return e.content.body ? e.content.body.value() : "";
else if constexpr (requires(decltype(e) t) { std::string{t.content.body}; })
return e.content.body;
return "";
}
};
struct EventFormattedBody
{
template<class C>
using formatted_body_t = decltype(C::formatted_body);
template<class T>
std::string operator()(const mtx::events::RoomEvent<T> &e)
{
if constexpr (is_detected<formatted_body_t, T>::value) {
if constexpr (requires { T::formatted_body; }) {
if (e.content.format == "org.matrix.custom.html")
return e.content.formatted_body;
}
@ -128,12 +112,10 @@ struct EventFormattedBody
struct EventFile
{
template<class Content>
using file_t = decltype(Content::file);
template<class T>
std::optional<mtx::crypto::EncryptedFile> operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<file_t, T>::value)
if constexpr (requires { T::file; })
return e.content.file;
return std::nullopt;
}
@ -141,12 +123,10 @@ struct EventFile
struct EventThumbnailFile
{
template<class Content>
using file_t = decltype(Content::info.thumbnail_file);
template<class T>
std::optional<mtx::crypto::EncryptedFile> operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<file_t, T>::value)
if constexpr (requires { T::thumbnail_file; })
return e.content.info.thumbnail_file;
return std::nullopt;
}
@ -154,12 +134,10 @@ struct EventThumbnailFile
struct EventUrl
{
template<class Content>
using url_t = decltype(Content::url);
template<class T>
std::string operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<url_t, T>::value) {
if constexpr (requires { T::url; }) {
if (auto file = EventFile{}(e))
return file->url;
return e.content.url;
@ -170,12 +148,10 @@ struct EventUrl
struct EventThumbnailUrl
{
template<class Content>
using thumbnail_url_t = decltype(Content::info.thumbnail_url);
template<class T>
std::string operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<thumbnail_url_t, T>::value) {
if constexpr (requires { e.content.info.thumbnail_url; }) {
if (auto file = EventThumbnailFile{}(e))
return file->url;
return e.content.info.thumbnail_url;
@ -186,12 +162,10 @@ struct EventThumbnailUrl
struct EventDuration
{
template<class Content>
using thumbnail_url_t = decltype(Content::info.duration);
template<class T>
uint64_t operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<thumbnail_url_t, T>::value) {
if constexpr (requires { e.content.info.duration; }) {
return e.content.info.duration;
}
return 0;
@ -200,12 +174,10 @@ struct EventDuration
struct EventBlurhash
{
template<class Content>
using blurhash_t = decltype(Content::info.blurhash);
template<class T>
std::string operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<blurhash_t, T>::value) {
if constexpr (requires { e.content.info.blurhash; }) {
return e.content.info.blurhash;
}
return "";
@ -245,12 +217,10 @@ struct EventFilename
struct EventMimeType
{
template<class Content>
using mimetype_t = decltype(Content::info.mimetype);
template<class T>
std::string operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<mimetype_t, T>::value) {
if constexpr (requires { e.content.info.mimetype; }) {
return e.content.info.mimetype;
}
return "";
@ -259,12 +229,10 @@ struct EventMimeType
struct EventFilesize
{
template<class Content>
using filesize_t = decltype(Content::info.size);
template<class T>
int64_t operator()(const mtx::events::RoomEvent<T> &e)
{
if constexpr (is_detected<filesize_t, T>::value) {
if constexpr (requires { e.content.info.size; }) {
return e.content.info.size;
}
return 0;
@ -275,12 +243,10 @@ struct EventRelations
{
inline const static mtx::common::Relations empty;
template<class Content>
using related_ev_id_t = decltype(Content::relations);
template<class T>
const mtx::common::Relations &operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<related_ev_id_t, T>::value) {
if constexpr (requires { T::relations; }) {
return e.content.relations;
}
return empty;
@ -290,12 +256,10 @@ struct EventRelations
struct SetEventRelations
{
mtx::common::Relations new_relations;
template<class Content>
using related_ev_id_t = decltype(Content::relations);
template<class T>
void operator()(mtx::events::Event<T> &e)
{
if constexpr (is_detected<related_ev_id_t, T>::value) {
if constexpr (requires { T::relations; }) {
e.content.relations = std::move(new_relations);
}
}
@ -317,12 +281,10 @@ struct EventTransactionId
struct EventMediaHeight
{
template<class Content>
using h_t = decltype(Content::info.h);
template<class T>
uint64_t operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<h_t, T>::value) {
if constexpr (requires { e.content.info.h; }) {
return e.content.info.h;
}
return -1;
@ -331,12 +293,10 @@ struct EventMediaHeight
struct EventMediaWidth
{
template<class Content>
using w_t = decltype(Content::info.w);
template<class T>
uint64_t operator()(const mtx::events::Event<T> &e)
{
if constexpr (is_detected<w_t, T>::value) {
if constexpr (requires { e.content.info.h; }) {
return e.content.info.w;
}
return -1;