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Diffstat (limited to 'Rx/v2/src/rxcpp/rx-grouped_observable.hpp')
-rw-r--r-- | Rx/v2/src/rxcpp/rx-grouped_observable.hpp | 193 |
1 files changed, 0 insertions, 193 deletions
diff --git a/Rx/v2/src/rxcpp/rx-grouped_observable.hpp b/Rx/v2/src/rxcpp/rx-grouped_observable.hpp deleted file mode 100644 index 031bc53..0000000 --- a/Rx/v2/src/rxcpp/rx-grouped_observable.hpp +++ /dev/null @@ -1,193 +0,0 @@ -// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved. See License.txt in the project root for license information. - -#pragma once - -#if !defined(RXCPP_RX_GROUPED_OBSERVABLE_HPP) -#define RXCPP_RX_GROUPED_OBSERVABLE_HPP - -#include "rx-includes.hpp" - -namespace rxcpp { - -namespace detail { - -template<class K, class Source> -struct has_on_get_key_for -{ - struct not_void {}; - template<class CS> - static auto check(int) -> decltype((*(CS*)nullptr).on_get_key()); - template<class CS> - static not_void check(...); - - typedef decltype(check<Source>(0)) detail_result; - static const bool value = std::is_same<detail_result, rxu::decay_t<K>>::value; -}; - -} - -template<class K, class T> -class dynamic_grouped_observable - : public dynamic_observable<T> -{ -public: - typedef rxu::decay_t<K> key_type; - typedef tag_dynamic_grouped_observable dynamic_observable_tag; - -private: - struct state_type - : public std::enable_shared_from_this<state_type> - { - typedef std::function<key_type()> ongetkey_type; - - ongetkey_type on_get_key; - }; - std::shared_ptr<state_type> state; - - template<class U, class V> - friend bool operator==(const dynamic_grouped_observable<U, V>&, const dynamic_grouped_observable<U, V>&); - - template<class U, class V> - void construct(const dynamic_grouped_observable<U, V>& o, const tag_dynamic_grouped_observable&) { - state = o.state; - } - - template<class U, class V> - void construct(dynamic_grouped_observable<U, V>&& o, const tag_dynamic_grouped_observable&) { - state = std::move(o.state); - } - - template<class SO> - void construct(SO&& source, const rxs::tag_source&) { - auto so = std::make_shared<rxu::decay_t<SO>>(std::forward<SO>(source)); - state->on_get_key = [so]() mutable { - return so->on_get_key(); - }; - } - -public: - - dynamic_grouped_observable() - { - } - - template<class SOF> - explicit dynamic_grouped_observable(SOF sof) - : dynamic_observable<T>(sof) - , state(std::make_shared<state_type>()) - { - construct(std::move(sof), - typename std::conditional<is_dynamic_grouped_observable<SOF>::value, tag_dynamic_grouped_observable, rxs::tag_source>::type()); - } - - template<class SF, class CF> - dynamic_grouped_observable(SF&& sf, CF&& cf) - : dynamic_observable<T>(std::forward<SF>(sf)) - , state(std::make_shared<state_type>()) - { - state->on_connect = std::forward<CF>(cf); - } - - using dynamic_observable<T>::on_subscribe; - - key_type on_get_key() const { - return state->on_get_key(); - } -}; - -template<class K, class T> -inline bool operator==(const dynamic_grouped_observable<K, T>& lhs, const dynamic_grouped_observable<K, T>& rhs) { - return lhs.state == rhs.state; -} -template<class K, class T> -inline bool operator!=(const dynamic_grouped_observable<K, T>& lhs, const dynamic_grouped_observable<K, T>& rhs) { - return !(lhs == rhs); -} - -template<class K, class T, class Source> -grouped_observable<K, T> make_dynamic_grouped_observable(Source&& s) { - return grouped_observable<K, T>(dynamic_grouped_observable<K, T>(std::forward<Source>(s))); -} - - - -/*! - \brief a source of observables which each emit values from one category specified by the key selector. - - \ingroup group-observable - -*/ -template<class K, class T, class SourceOperator> -class grouped_observable - : public observable<T, SourceOperator> -{ - typedef grouped_observable<K, T, SourceOperator> this_type; - typedef observable<T, SourceOperator> base_type; - typedef rxu::decay_t<SourceOperator> source_operator_type; - - static_assert(detail::has_on_get_key_for<K, source_operator_type>::value, "inner must have on_get_key method key_type()"); - -public: - typedef rxu::decay_t<K> key_type; - typedef tag_grouped_observable observable_tag; - - grouped_observable() - { - } - - explicit grouped_observable(const SourceOperator& o) - : base_type(o) - { - } - explicit grouped_observable(SourceOperator&& o) - : base_type(std::move(o)) - { - } - - // implicit conversion between observables of the same value_type - template<class SO> - grouped_observable(const grouped_observable<K, T, SO>& o) - : base_type(o) - {} - // implicit conversion between observables of the same value_type - template<class SO> - grouped_observable(grouped_observable<K, T, SO>&& o) - : base_type(std::move(o)) - {} - - /// - /// performs type-forgetting conversion to a new grouped_observable - /// - grouped_observable<K, T> as_dynamic() const { - return *this; - } - - key_type get_key() const { - return base_type::source_operator.on_get_key(); - } -}; - - -} - -// -// support range() >> filter() >> subscribe() syntax -// '>>' is spelled 'stream' -// -template<class K, class T, class SourceOperator, class OperatorFactory> -auto operator >> (const rxcpp::grouped_observable<K, T, SourceOperator>& source, OperatorFactory&& of) - -> decltype(source.op(std::forward<OperatorFactory>(of))) { - return source.op(std::forward<OperatorFactory>(of)); -} - -// -// support range() | filter() | subscribe() syntax -// '|' is spelled 'pipe' -// -template<class K, class T, class SourceOperator, class OperatorFactory> -auto operator | (const rxcpp::grouped_observable<K, T, SourceOperator>& source, OperatorFactory&& of) - -> decltype(source.op(std::forward<OperatorFactory>(of))) { - return source.op(std::forward<OperatorFactory>(of)); -} - -#endif |