| // Copyright 2015 The Shaderc Authors. 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. |
| |
| #include "libshaderc_util/version_profile.h" |
| |
| #include <cctype> |
| #include <sstream> |
| |
| namespace { |
| |
| const int kVersionNumberLength = 3; |
| const int kMaxProfileLength = 13; // strlen(compatibility) |
| const int kMaxVersionProfileLength = kVersionNumberLength + kMaxProfileLength; |
| const int kMinVersionProfileLength = kVersionNumberLength; |
| |
| } // anonymous namespace |
| |
| namespace shaderc_util { |
| |
| bool ParseVersionProfile(const std::string& version_profile, int* version, |
| EProfile* profile) { |
| if (version_profile.size() < kMinVersionProfileLength || |
| version_profile.size() > kMaxVersionProfileLength || |
| !::isdigit(version_profile.front())) |
| return false; |
| |
| std::string profile_string; |
| std::istringstream(version_profile) >> *version >> profile_string; |
| |
| if (!IsKnownVersion(*version)) { |
| return false; |
| } |
| if (profile_string.empty()) { |
| *profile = ENoProfile; |
| } else if (profile_string == "core") { |
| *profile = ECoreProfile; |
| } else if (profile_string == "es") { |
| *profile = EEsProfile; |
| } else if (profile_string == "compatibility") { |
| *profile = ECompatibilityProfile; |
| } else { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| } // namespace shaderc_util |