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Unified Diff: base/tuple.h

Issue 3106018: Reapplies all the IPC system work (reverts the revert r56272). (Closed) Base URL: http://src.chromium.org/git/chromium.git
Patch Set: Created 10 years, 4 months ago
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Index: base/tuple.h
diff --git a/base/tuple.h b/base/tuple.h
index bcd2ad4f2ef76b116d5fa2ba3eefa8e87946c93d..b67d924906aa2642cff57d9e46e8fafe0bfe4094 100644
--- a/base/tuple.h
+++ b/base/tuple.h
@@ -52,6 +52,9 @@ struct TupleTraits<P&> {
typedef P& ParamType;
};
+template <class P>
+struct TupleTypes { };
+
// Tuple -----------------------------------------------------------------------
//
// This set of classes is useful for bundling 0 or more heterogeneous data types
@@ -76,9 +79,6 @@ template <class A>
struct Tuple1 {
public:
typedef A TypeA;
- typedef Tuple1<typename TupleTraits<A>::ValueType> ValueTuple;
- typedef Tuple1<typename TupleTraits<A>::RefType> RefTuple;
- typedef Tuple1<typename TupleTraits<A>::ParamType> ParamTuple;
Tuple1() {}
explicit Tuple1(typename TupleTraits<A>::ParamType a) : a(a) {}
@@ -91,12 +91,6 @@ struct Tuple2 {
public:
typedef A TypeA;
typedef B TypeB;
- typedef Tuple2<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType> ValueTuple;
- typedef Tuple2<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType> RefTuple;
- typedef Tuple2<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType> ParamTuple;
Tuple2() {}
Tuple2(typename TupleTraits<A>::ParamType a,
@@ -114,15 +108,6 @@ struct Tuple3 {
typedef A TypeA;
typedef B TypeB;
typedef C TypeC;
- typedef Tuple3<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType,
- typename TupleTraits<C>::ValueType> ValueTuple;
- typedef Tuple3<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType,
- typename TupleTraits<C>::RefType> RefTuple;
- typedef Tuple3<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType,
- typename TupleTraits<C>::ParamType> ParamTuple;
Tuple3() {}
Tuple3(typename TupleTraits<A>::ParamType a,
@@ -143,18 +128,6 @@ struct Tuple4 {
typedef B TypeB;
typedef C TypeC;
typedef D TypeD;
- typedef Tuple4<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType,
- typename TupleTraits<C>::ValueType,
- typename TupleTraits<D>::ValueType> ValueTuple;
- typedef Tuple4<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType,
- typename TupleTraits<C>::RefType,
- typename TupleTraits<D>::RefType> RefTuple;
- typedef Tuple4<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType,
- typename TupleTraits<C>::ParamType,
- typename TupleTraits<D>::ParamType> ParamTuple;
Tuple4() {}
Tuple4(typename TupleTraits<A>::ParamType a,
@@ -178,21 +151,6 @@ struct Tuple5 {
typedef C TypeC;
typedef D TypeD;
typedef E TypeE;
- typedef Tuple5<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType,
- typename TupleTraits<C>::ValueType,
- typename TupleTraits<D>::ValueType,
- typename TupleTraits<E>::ValueType> ValueTuple;
- typedef Tuple5<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType,
- typename TupleTraits<C>::RefType,
- typename TupleTraits<D>::RefType,
- typename TupleTraits<E>::RefType> RefTuple;
- typedef Tuple5<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType,
- typename TupleTraits<C>::ParamType,
- typename TupleTraits<D>::ParamType,
- typename TupleTraits<E>::ParamType> ParamTuple;
Tuple5() {}
Tuple5(typename TupleTraits<A>::ParamType a,
@@ -219,24 +177,6 @@ struct Tuple6 {
typedef D TypeD;
typedef E TypeE;
typedef F TypeF;
- typedef Tuple6<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType,
- typename TupleTraits<C>::ValueType,
- typename TupleTraits<D>::ValueType,
- typename TupleTraits<E>::ValueType,
- typename TupleTraits<F>::ValueType> ValueTuple;
- typedef Tuple6<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType,
- typename TupleTraits<C>::RefType,
- typename TupleTraits<D>::RefType,
- typename TupleTraits<E>::RefType,
- typename TupleTraits<F>::RefType> RefTuple;
- typedef Tuple6<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType,
- typename TupleTraits<C>::ParamType,
- typename TupleTraits<D>::ParamType,
- typename TupleTraits<E>::ParamType,
- typename TupleTraits<F>::ParamType> ParamTuple;
Tuple6() {}
Tuple6(typename TupleTraits<A>::ParamType a,
@@ -266,27 +206,6 @@ struct Tuple7 {
typedef E TypeE;
typedef F TypeF;
typedef G TypeG;
- typedef Tuple7<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType,
- typename TupleTraits<C>::ValueType,
- typename TupleTraits<D>::ValueType,
- typename TupleTraits<E>::ValueType,
- typename TupleTraits<F>::ValueType,
- typename TupleTraits<G>::ValueType> ValueTuple;
- typedef Tuple7<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType,
- typename TupleTraits<C>::RefType,
- typename TupleTraits<D>::RefType,
- typename TupleTraits<E>::RefType,
- typename TupleTraits<F>::RefType,
- typename TupleTraits<G>::RefType> RefTuple;
- typedef Tuple7<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType,
- typename TupleTraits<C>::ParamType,
- typename TupleTraits<D>::ParamType,
- typename TupleTraits<E>::ParamType,
- typename TupleTraits<F>::ParamType,
- typename TupleTraits<G>::ParamType> ParamTuple;
Tuple7() {}
Tuple7(typename TupleTraits<A>::ParamType a,
@@ -320,30 +239,6 @@ struct Tuple8 {
typedef F TypeF;
typedef G TypeG;
typedef H TypeH;
- typedef Tuple8<typename TupleTraits<A>::ValueType,
- typename TupleTraits<B>::ValueType,
- typename TupleTraits<C>::ValueType,
- typename TupleTraits<D>::ValueType,
- typename TupleTraits<E>::ValueType,
- typename TupleTraits<F>::ValueType,
- typename TupleTraits<G>::ValueType,
- typename TupleTraits<H>::ValueType> ValueTuple;
- typedef Tuple8<typename TupleTraits<A>::RefType,
- typename TupleTraits<B>::RefType,
- typename TupleTraits<C>::RefType,
- typename TupleTraits<D>::RefType,
- typename TupleTraits<E>::RefType,
- typename TupleTraits<F>::RefType,
- typename TupleTraits<G>::RefType,
- typename TupleTraits<H>::RefType> RefTuple;
- typedef Tuple8<typename TupleTraits<A>::ParamType,
- typename TupleTraits<B>::ParamType,
- typename TupleTraits<C>::ParamType,
- typename TupleTraits<D>::ParamType,
- typename TupleTraits<E>::ParamType,
- typename TupleTraits<F>::ParamType,
- typename TupleTraits<G>::ParamType,
- typename TupleTraits<H>::ParamType> ParamTuple;
Tuple8() {}
Tuple8(typename TupleTraits<A>::ParamType a,
@@ -367,6 +262,159 @@ struct Tuple8 {
H h;
};
+// Tuple types ----------------------------------------------------------------
+//
+// Allows for selection of ValueTuple/RefTuple/ParamTuple without needing the
+// definitions of class types the tuple takes as parameters.
+
+template <>
+struct TupleTypes< Tuple0 > {
+ typedef Tuple0 ValueTuple;
+ typedef Tuple0 RefTuple;
+ typedef Tuple0 ParamTuple;
+};
+
+template <class A>
+struct TupleTypes< Tuple1<A> > {
+ typedef Tuple1<typename TupleTraits<A>::ValueType> ValueTuple;
+ typedef Tuple1<typename TupleTraits<A>::RefType> RefTuple;
+ typedef Tuple1<typename TupleTraits<A>::ParamType> ParamTuple;
+};
+
+template <class A, class B>
+struct TupleTypes< Tuple2<A, B> > {
+ typedef Tuple2<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType> ValueTuple;
+typedef Tuple2<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType> RefTuple;
+ typedef Tuple2<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType> ParamTuple;
+};
+
+template <class A, class B, class C>
+struct TupleTypes< Tuple3<A, B, C> > {
+ typedef Tuple3<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType,
+ typename TupleTraits<C>::ValueType> ValueTuple;
+typedef Tuple3<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType,
+ typename TupleTraits<C>::RefType> RefTuple;
+ typedef Tuple3<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType,
+ typename TupleTraits<C>::ParamType> ParamTuple;
+};
+
+template <class A, class B, class C, class D>
+struct TupleTypes< Tuple4<A, B, C, D> > {
+ typedef Tuple4<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType,
+ typename TupleTraits<C>::ValueType,
+ typename TupleTraits<D>::ValueType> ValueTuple;
+typedef Tuple4<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType,
+ typename TupleTraits<C>::RefType,
+ typename TupleTraits<D>::RefType> RefTuple;
+ typedef Tuple4<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType,
+ typename TupleTraits<C>::ParamType,
+ typename TupleTraits<D>::ParamType> ParamTuple;
+};
+
+template <class A, class B, class C, class D, class E>
+struct TupleTypes< Tuple5<A, B, C, D, E> > {
+ typedef Tuple5<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType,
+ typename TupleTraits<C>::ValueType,
+ typename TupleTraits<D>::ValueType,
+ typename TupleTraits<E>::ValueType> ValueTuple;
+typedef Tuple5<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType,
+ typename TupleTraits<C>::RefType,
+ typename TupleTraits<D>::RefType,
+ typename TupleTraits<E>::RefType> RefTuple;
+ typedef Tuple5<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType,
+ typename TupleTraits<C>::ParamType,
+ typename TupleTraits<D>::ParamType,
+ typename TupleTraits<E>::ParamType> ParamTuple;
+};
+
+template <class A, class B, class C, class D, class E, class F>
+struct TupleTypes< Tuple6<A, B, C, D, E, F> > {
+ typedef Tuple6<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType,
+ typename TupleTraits<C>::ValueType,
+ typename TupleTraits<D>::ValueType,
+ typename TupleTraits<E>::ValueType,
+ typename TupleTraits<F>::ValueType> ValueTuple;
+typedef Tuple6<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType,
+ typename TupleTraits<C>::RefType,
+ typename TupleTraits<D>::RefType,
+ typename TupleTraits<E>::RefType,
+ typename TupleTraits<F>::RefType> RefTuple;
+ typedef Tuple6<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType,
+ typename TupleTraits<C>::ParamType,
+ typename TupleTraits<D>::ParamType,
+ typename TupleTraits<E>::ParamType,
+ typename TupleTraits<F>::ParamType> ParamTuple;
+};
+
+template <class A, class B, class C, class D, class E, class F, class G>
+struct TupleTypes< Tuple7<A, B, C, D, E, F, G> > {
+ typedef Tuple7<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType,
+ typename TupleTraits<C>::ValueType,
+ typename TupleTraits<D>::ValueType,
+ typename TupleTraits<E>::ValueType,
+ typename TupleTraits<F>::ValueType,
+ typename TupleTraits<G>::ValueType> ValueTuple;
+typedef Tuple7<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType,
+ typename TupleTraits<C>::RefType,
+ typename TupleTraits<D>::RefType,
+ typename TupleTraits<E>::RefType,
+ typename TupleTraits<F>::RefType,
+ typename TupleTraits<G>::RefType> RefTuple;
+ typedef Tuple7<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType,
+ typename TupleTraits<C>::ParamType,
+ typename TupleTraits<D>::ParamType,
+ typename TupleTraits<E>::ParamType,
+ typename TupleTraits<F>::ParamType,
+ typename TupleTraits<G>::ParamType> ParamTuple;
+};
+
+template <class A, class B, class C, class D, class E, class F, class G,
+ class H>
+struct TupleTypes< Tuple8<A, B, C, D, E, F, G, H> > {
+ typedef Tuple8<typename TupleTraits<A>::ValueType,
+ typename TupleTraits<B>::ValueType,
+ typename TupleTraits<C>::ValueType,
+ typename TupleTraits<D>::ValueType,
+ typename TupleTraits<E>::ValueType,
+ typename TupleTraits<F>::ValueType,
+ typename TupleTraits<G>::ValueType,
+ typename TupleTraits<H>::ValueType> ValueTuple;
+typedef Tuple8<typename TupleTraits<A>::RefType,
+ typename TupleTraits<B>::RefType,
+ typename TupleTraits<C>::RefType,
+ typename TupleTraits<D>::RefType,
+ typename TupleTraits<E>::RefType,
+ typename TupleTraits<F>::RefType,
+ typename TupleTraits<G>::RefType,
+ typename TupleTraits<H>::RefType> RefTuple;
+ typedef Tuple8<typename TupleTraits<A>::ParamType,
+ typename TupleTraits<B>::ParamType,
+ typename TupleTraits<C>::ParamType,
+ typename TupleTraits<D>::ParamType,
+ typename TupleTraits<E>::ParamType,
+ typename TupleTraits<F>::ParamType,
+ typename TupleTraits<G>::ParamType,
+ typename TupleTraits<H>::ParamType> ParamTuple;
+};
+
// Tuple creators -------------------------------------------------------------
//
// Helper functions for constructing tuples while inferring the template
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