1 // Copyright 2019 The Amber Authors. 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 // http://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 #ifndef SRC_DESCRIPTOR_SET_AND_BINDING_PARSER_H_ 16 #define SRC_DESCRIPTOR_SET_AND_BINDING_PARSER_H_ 17 18 #include <string> 19 20 #include "amber/result.h" 21 22 namespace amber { 23 24 /// Class for descriptor set and binding parser. 25 class DescriptorSetAndBindingParser { 26 public: 27 DescriptorSetAndBindingParser(); 28 ~DescriptorSetAndBindingParser(); 29 30 /// Run the parser against |buffer_id|. The result is success if the parse 31 /// completes correctly. |buffer_id| must be non-empty string. It must 32 /// be a single non-negative integer or two those integers separated by 33 /// ':'. For example, ":0", "1", and "2:3" are valid strings for |buffer_id|, 34 /// but "", "-4", ":-5", ":", "a", and "b:c" are invalid strings for 35 /// |buffer_id|. The |buffer_id| can be prefixed by the name of a pipeline. 36 Result Parse(const std::string& buffer_id); 37 38 /// Returns true if a pipeline name was specified HasPipelineName()39 bool HasPipelineName() const { return !pipeline_name_.empty(); } PipelineName()40 std::string PipelineName() const { return pipeline_name_; } 41 42 /// Return descriptor set that is the result of Parse(). GetDescriptorSet()43 uint32_t GetDescriptorSet() const { return descriptor_set_; } 44 45 /// Return binding that is the result of Parse(). GetBinding()46 uint32_t GetBinding() const { return binding_; } 47 48 private: 49 std::string pipeline_name_; 50 uint32_t descriptor_set_ = 0; 51 uint32_t binding_ = 0; 52 }; 53 54 } // namespace amber 55 56 #endif // SRC_DESCRIPTOR_SET_AND_BINDING_PARSER_H_ 57