blob: 42d03a387c4fba7f674c5aa0c0d6a926925b5bd0 [file] [log] [blame]
// Copyright 2021 The Dawn & Tint Authors
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice, this
// list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright notice,
// this list of conditions and the following disclaimer in the documentation
// and/or other materials provided with the distribution.
//
// 3. Neither the name of the copyright holder nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
// FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
// SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
{% set API = metadata.api.upper() %}
{% set api = API.lower() %}
#ifndef {{API}}_CPP_PRINT_H_
#define {{API}}_CPP_PRINT_H_
#include "dawn/{{api}}_cpp.h"
#include <iomanip>
#include <ios>
#include <ostream>
#include <type_traits>
namespace {{metadata.namespace}} {
{% for type in by_category["enum"] %}
template <typename CharT, typename Traits>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& o, {{as_cppType(type.name)}} value) {
switch (value) {
{% for value in type.values %}
case {{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}:
o << "{{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}";
break;
{% endfor %}
default:
o << "{{as_cppType(type.name)}}::" << std::showbase << std::hex << std::setfill('0') << std::setw(4) << static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value);
}
return o;
}
{% endfor %}
{% for type in by_category["bitmask"] %}
template <typename CharT, typename Traits>
std::basic_ostream<CharT, Traits>& operator<<(std::basic_ostream<CharT, Traits>& o, {{as_cppType(type.name)}} value) {
o << "{{as_cppType(type.name)}}::";
if (!static_cast<bool>(value)) {
{% for value in type.values if value.value == 0 %}
// 0 is often explicitly declared as None.
o << "{{as_cppEnum(value.name)}}";
{% else %}
o << std::showbase << std::hex << std::setfill('0') << std::setw(4) << 0;
{% endfor %}
return o;
}
bool moreThanOneBit = !HasZeroOrOneBits(value);
if (moreThanOneBit) {
o << "(";
}
bool first = true;
{% for value in type.values if value.value != 0 %}
if (value & {{as_cppType(type.name)}}::{{as_cppEnum(value.name)}}) {
if (!first) {
o << "|";
}
first = false;
o << "{{as_cppEnum(value.name)}}";
value &= ~{{as_cppType(type.name)}}::{{as_cppEnum(value.name)}};
}
{% endfor %}
if (static_cast<bool>(value)) {
if (!first) {
o << "|";
}
o << std::showbase << std::hex << std::setfill('0') << std::setw(4) << static_cast<typename std::underlying_type<{{as_cppType(type.name)}}>::type>(value);
}
if (moreThanOneBit) {
o << ")";
}
return o;
}
{% endfor %}
} // namespace {{metadata.namespace}}
#endif // {{API}}_CPP_PRINT_H_