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Improve implicit conversion operators of vk::ArrayWrapper1D on char type; added constructors from std::string and std::string_view (#1698)

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Andreas Süßenbach 2023-10-17 08:52:54 +02:00 committed by GitHub
parent 962979c679
commit bab0e249f2
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 276 additions and 114 deletions
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40
snippets/ArrayWrapper1D.hpp
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@ -2,13 +2,23 @@
class ArrayWrapper1D : public std::array<T, N>
{
public:
VULKAN_HPP_CONSTEXPR ArrayWrapper1D() VULKAN_HPP_NOEXCEPT
: std::array<T, N>()
{}
VULKAN_HPP_CONSTEXPR ArrayWrapper1D() VULKAN_HPP_NOEXCEPT : std::array<T, N>() {}
VULKAN_HPP_CONSTEXPR ArrayWrapper1D( std::array<T, N> const & data ) VULKAN_HPP_NOEXCEPT
: std::array<T, N>( data )
{}
VULKAN_HPP_CONSTEXPR ArrayWrapper1D( std::array<T, N> const & data ) VULKAN_HPP_NOEXCEPT : std::array<T, N>( data ) {}
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
VULKAN_HPP_CONSTEXPR_14 ArrayWrapper1D( std::string const & data ) VULKAN_HPP_NOEXCEPT
{
copy( data.data(), data.length() );
}
#if 17 <= VULKAN_HPP_CPP_VERSION
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
VULKAN_HPP_CONSTEXPR_14 ArrayWrapper1D( std::string_view data ) VULKAN_HPP_NOEXCEPT
{
copy( data.data(), data.length() );
}
#endif
#if ( VK_USE_64_BIT_PTR_DEFINES == 0 )
// on 32 bit compiles, needs overloads on index type int to resolve ambiguities
@ -36,14 +46,14 @@
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
operator std::string() const
{
return std::string( this->data() );
return std::string( this->data(), N );
}
#if 17 <= VULKAN_HPP_CPP_VERSION
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
operator std::string_view() const
{
return std::string_view( this->data() );
return std::string_view( this->data(), N );
}
#endif
@ -90,6 +100,20 @@
{
return *static_cast<std::array<char, N> const *>( this ) != *static_cast<std::array<char, N> const *>( &rhs );
}
private:
VULKAN_HPP_CONSTEXPR_14 void copy( char const * data, size_t len ) const VULKAN_HPP_NOEXCEPT
{
size_t n = std::min( N, len );
for ( size_t i = 0; i < n; ++i )
{
( *this )[i] = data[i];
}
for ( size_t i = n; i < N; ++i )
{
( *this )[i] = 0;
}
}
};
// specialization of relational operators between std::string and arrays of chars

64
tests/ArrayWrapper/ArrayWrapper.cpp Normal file
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@ -0,0 +1,64 @@
// Copyright(c) 2023, NVIDIA CORPORATION. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// VulkanHpp Samples : ArrayWrapper
// Compile test on using vk::ArrayWrapper1D
#include <iostream>
#include <string>
#include <vulkan/vulkan.hpp>
void f( std::string const & s )
{
std::cout << "<" << s << ">" << std::endl;
}
using namespace std::string_literals;
int main( int /*argc*/, char ** /*argv*/ )
{
vk::ArrayWrapper1D<char, 10> aw1( { 'f', 'o', 'o', 'b', 'a', 'h' } );
std::string s1 = aw1;
assert( s1.length() == 10 );
std::cout << "<" << aw1 << ">" << std::endl;
// s1 = aw1; // 'operator =' is ambiguous
vk::ArrayWrapper1D<char, 20> aw2( "foobah"s );
f( aw2 );
vk::ArrayWrapper1D<char, 5> aw3( { 'f', 'o', 'o', 'b', 'a', 'h' } );
std::string s3 = aw3;
assert( s3.length() == 5 );
std::cout << "<" << s3 << ">" << std::endl;
vk::ArrayWrapper1D<char, 5> aw4( "foobah"s );
std::string s4 = aw4;
assert( s4.length() == 5 );
#if 17 <= VULKAN_HPP_CPP_VERSION
std::cout << std::boolalpha << std::is_convertible_v<vk::ArrayWrapper1D<char, 10>, std::string_view> << std::endl;
std::string_view sv1 = aw1;
assert( sv1.size() == 10 );
sv1 = aw2;
assert( sv1.size() == 20 );
sv1 = aw3;
assert( sv1.size() == 5 );
vk::ArrayWrapper1D<char, 8> aw5( sv1 );
#endif
return 0;
}

17
tests/ArrayWrapper/CMakeLists.txt Normal file
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@ -0,0 +1,17 @@
# Copyright(c) 2023, NVIDIA CORPORATION. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
if( NOT VULKAN_HPP_TESTS_BUILD_ONLY_DYNAMIC )
vulkan_hpp__setup_test( NAME ArrayWrapper )
endif()

1
tests/CMakeLists.txt
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@ -14,6 +14,7 @@
add_subdirectory( ArrayProxy )
add_subdirectory( ArrayProxyNoTemporaries )
add_subdirectory( ArrayWrapper )
add_subdirectory( DesignatedInitializers )
add_subdirectory( DeviceFunctions )
add_subdirectory( DispatchLoaderDynamic )

32
vulkan/vulkan.hpp
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@ -94,6 +94,20 @@ namespace VULKAN_HPP_NAMESPACE
VULKAN_HPP_CONSTEXPR ArrayWrapper1D( std::array<T, N> const & data ) VULKAN_HPP_NOEXCEPT : std::array<T, N>( data ) {}
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
VULKAN_HPP_CONSTEXPR_14 ArrayWrapper1D( std::string const & data ) VULKAN_HPP_NOEXCEPT
{
copy( data.data(), data.length() );
}
#if 17 <= VULKAN_HPP_CPP_VERSION
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
VULKAN_HPP_CONSTEXPR_14 ArrayWrapper1D( std::string_view data ) VULKAN_HPP_NOEXCEPT
{
copy( data.data(), data.length() );
}
#endif
#if ( VK_USE_64_BIT_PTR_DEFINES == 0 )
// on 32 bit compiles, needs overloads on index type int to resolve ambiguities
VULKAN_HPP_CONSTEXPR T const & operator[]( int index ) const VULKAN_HPP_NOEXCEPT
@ -120,14 +134,14 @@ namespace VULKAN_HPP_NAMESPACE
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
operator std::string() const
{
return std::string( this->data() );
return std::string( this->data(), N );
}
#if 17 <= VULKAN_HPP_CPP_VERSION
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
operator std::string_view() const
{
return std::string_view( this->data() );
return std::string_view( this->data(), N );
}
#endif
@ -174,6 +188,20 @@ namespace VULKAN_HPP_NAMESPACE
{
return *static_cast<std::array<char, N> const *>( this ) != *static_cast<std::array<char, N> const *>( &rhs );
}
private:
VULKAN_HPP_CONSTEXPR_14 void copy( char const * data, size_t len ) const VULKAN_HPP_NOEXCEPT
{
size_t n = std::min( N, len );
for ( size_t i = 0; i < n; ++i )
{
( *this )[i] = data[i];
}
for ( size_t i = n; i < N; ++i )
{
( *this )[i] = 0;
}
}
};
// specialization of relational operators between std::string and arrays of chars

32
vulkan/vulkansc.hpp
View File

@ -94,6 +94,20 @@ namespace VULKAN_HPP_NAMESPACE
VULKAN_HPP_CONSTEXPR ArrayWrapper1D( std::array<T, N> const & data ) VULKAN_HPP_NOEXCEPT : std::array<T, N>( data ) {}
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
VULKAN_HPP_CONSTEXPR_14 ArrayWrapper1D( std::string const & data ) VULKAN_HPP_NOEXCEPT
{
copy( data.data(), data.length() );
}
#if 17 <= VULKAN_HPP_CPP_VERSION
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
VULKAN_HPP_CONSTEXPR_14 ArrayWrapper1D( std::string_view data ) VULKAN_HPP_NOEXCEPT
{
copy( data.data(), data.length() );
}
#endif
#if ( VK_USE_64_BIT_PTR_DEFINES == 0 )
// on 32 bit compiles, needs overloads on index type int to resolve ambiguities
VULKAN_HPP_CONSTEXPR T const & operator[]( int index ) const VULKAN_HPP_NOEXCEPT
@ -120,14 +134,14 @@ namespace VULKAN_HPP_NAMESPACE
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
operator std::string() const
{
return std::string( this->data() );
return std::string( this->data(), N );
}
#if 17 <= VULKAN_HPP_CPP_VERSION
template <typename B = T, typename std::enable_if<std::is_same<B, char>::value, int>::type = 0>
operator std::string_view() const
{
return std::string_view( this->data() );
return std::string_view( this->data(), N );
}
#endif
@ -174,6 +188,20 @@ namespace VULKAN_HPP_NAMESPACE
{
return *static_cast<std::array<char, N> const *>( this ) != *static_cast<std::array<char, N> const *>( &rhs );
}
private:
VULKAN_HPP_CONSTEXPR_14 void copy( char const * data, size_t len ) const VULKAN_HPP_NOEXCEPT
{
size_t n = std::min( N, len );
for ( size_t i = 0; i < n; ++i )
{
( *this )[i] = data[i];
}
for ( size_t i = n; i < N; ++i )
{
( *this )[i] = 0;
}
}
};
// specialization of relational operators between std::string and arrays of chars