| /* Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| file Copyright.txt or https://cmake.org/licensing for details. */ |
| #include "cmArgumentParser.h" |
| |
| #include <algorithm> |
| #include <type_traits> |
| |
| namespace ArgumentParser { |
| |
| auto ActionMap::Emplace(cm::string_view name, Action action) |
| -> std::pair<iterator, bool> |
| { |
| auto const it = |
| std::lower_bound(this->begin(), this->end(), name, |
| [](value_type const& elem, cm::string_view const& k) { |
| return elem.first < k; |
| }); |
| return (it != this->end() && it->first == name) |
| ? std::make_pair(it, false) |
| : std::make_pair(this->emplace(it, name, std::move(action)), true); |
| } |
| |
| auto ActionMap::Find(cm::string_view name) const -> const_iterator |
| { |
| auto const it = |
| std::lower_bound(this->begin(), this->end(), name, |
| [](value_type const& elem, cm::string_view const& k) { |
| return elem.first < k; |
| }); |
| return (it != this->end() && it->first == name) ? it : this->end(); |
| } |
| |
| void Instance::Bind(bool& val) |
| { |
| val = true; |
| this->CurrentString = nullptr; |
| this->CurrentList = nullptr; |
| this->ExpectValue = false; |
| } |
| |
| void Instance::Bind(std::string& val) |
| { |
| this->CurrentString = &val; |
| this->CurrentList = nullptr; |
| this->ExpectValue = true; |
| } |
| |
| void Instance::Bind(StringList& val) |
| { |
| this->CurrentString = nullptr; |
| this->CurrentList = &val; |
| this->ExpectValue = true; |
| } |
| |
| void Instance::Bind(MultiStringList& val) |
| { |
| this->CurrentString = nullptr; |
| this->CurrentList = (static_cast<void>(val.emplace_back()), &val.back()); |
| this->ExpectValue = false; |
| } |
| |
| void Instance::Consume(cm::string_view arg, void* result, |
| std::vector<std::string>* unparsedArguments, |
| std::vector<std::string>* keywordsMissingValue) |
| { |
| auto const it = this->Bindings.Find(arg); |
| if (it != this->Bindings.end()) { |
| it->second(*this, result); |
| if (this->ExpectValue && keywordsMissingValue != nullptr) { |
| keywordsMissingValue->emplace_back(arg); |
| } |
| return; |
| } |
| |
| if (this->CurrentString != nullptr) { |
| this->CurrentString->assign(std::string(arg)); |
| this->CurrentString = nullptr; |
| this->CurrentList = nullptr; |
| } else if (this->CurrentList != nullptr) { |
| this->CurrentList->emplace_back(arg); |
| } else if (unparsedArguments != nullptr) { |
| unparsedArguments->emplace_back(arg); |
| } |
| |
| if (this->ExpectValue) { |
| if (keywordsMissingValue != nullptr) { |
| keywordsMissingValue->pop_back(); |
| } |
| this->ExpectValue = false; |
| } |
| } |
| |
| } // namespace ArgumentParser |