1 // Copyright 2019 Google LLC 2 // 3 // Licensed under the Apache License, Version 2.0 (the "License"); 4 // you may not use this file except in compliance with the License. 5 // You may obtain a copy of the License at 6 // 7 // https://www.apache.org/licenses/LICENSE-2.0 8 // 9 // Unless required by applicable law or agreed to in writing, software 10 // distributed under the License is distributed on an "AS IS" BASIS, 11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 // See the License for the specific language governing permissions and 13 // limitations under the License. 14 15 // Helper classes for constructing the `Parameters` template argument to view 16 // classes. 17 18 #ifndef EMBOSS_RUNTIME_CPP_EMBOSS_VIEW_PARAMETERS_H_ 19 #define EMBOSS_RUNTIME_CPP_EMBOSS_VIEW_PARAMETERS_H_ 20 21 namespace emboss { 22 namespace support { 23 24 template <int kBitsParam, typename Verifier> 25 struct FixedSizeViewParameters { 26 static constexpr int kBits = kBitsParam; 27 template <typename ValueType> ValueIsOkFixedSizeViewParameters28 static constexpr bool ValueIsOk(ValueType value) { 29 return Verifier::ValueIsOk(value); 30 } 31 // TODO(bolms): add AllValuesAreOk(), and use it to shortcut Ok() processing 32 // for arrays and other compound objects. 33 }; 34 35 struct AllValuesAreOk { 36 template <typename ValueType> ValueIsOkAllValuesAreOk37 static constexpr bool ValueIsOk(ValueType) { 38 return true; 39 } 40 }; 41 42 } // namespace support 43 } // namespace emboss 44 45 #endif // EMBOSS_RUNTIME_CPP_EMBOSS_VIEW_PARAMETERS_H_ 46