| // Copyright 2024 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" | |
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| #ifndef SRC_DAWN_COMMON_STRINGVIEWUTILS_H_ | |
| #define SRC_DAWN_COMMON_STRINGVIEWUTILS_H_ | |
| #include <webgpu/webgpu_cpp.h> | |
| #include <string> | |
| #include <string_view> | |
| // A comparison operators for use in tests that assumes that the nil string is the same as "". | |
| bool operator==(WGPUStringView a, WGPUStringView b); | |
| namespace wgpu { | |
| bool operator==(StringView a, StringView b); | |
| } // namespace wgpu | |
| namespace dawn { | |
| // Helper functions to work with the C WGPUStringView in tests, since it doesn't have all the | |
| // niceties of wgpu::StringView. | |
| WGPUStringView ToOutputStringView(const std::string& s); | |
| WGPUStringView ToOutputStringView(const std::string_view& s); | |
| template <size_t N> | |
| constexpr WGPUStringView ToOutputStringView(const char (&s)[N]) { | |
| return {s, N - 1}; | |
| } | |
| constexpr WGPUStringView kEmptyOutputStringView = {nullptr, 0}; | |
| std::string ToString(WGPUStringView s); | |
| } // namespace dawn | |
| #endif // SRC_DAWN_COMMON_STRINGVIEWUTILS_H_ |