diff options
Diffstat (limited to 'args.hxx')
| -rw-r--r-- | args.hxx | 108 |
1 files changed, 84 insertions, 24 deletions
@@ -27,9 +27,18 @@ #include <tuple> #include <vector> #include <unordered_set> +#include <type_traits> namespace args { + /** Getter to grab the value reference + */ + template <typename Arg> + auto get(Arg &arg) -> decltype(arg.Get()) + { + return arg.Get(); + } + /** (INTERNAL) Count UTF-8 glyphs * * This is not reliable, and will fail for combinatory glyphs, but it's @@ -613,6 +622,13 @@ namespace args return validator(*this); } + /** Get validation + */ + bool Get() const + { + return Matched(); + } + /** Get all the child descriptions for help generation */ std::vector<std::tuple<std::string, std::string, unsigned int>> GetChildDescriptions(const std::string &shortPrefix, const std::string &longPrefix, const std::string &shortSeparator, const std::string &longSeparator, unsigned int indent = 0) const @@ -1199,6 +1215,13 @@ namespace args } virtual ~Flag() {} + + /** Get whether this was matched + */ + bool Get() const + { + return Matched(); + } }; /** Help flag class @@ -1229,17 +1252,25 @@ namespace args } return nullptr; } + + /** Get whether this was matched + */ + bool Get() const noexcept + { + return Matched(); + } }; /** A flag class that simply counts the number of times it's matched */ class Counter : public Flag { - public: - /** The public count variable. Can be changed at will, but probably shouldn't be. - */ + friend int get(Counter &); + + private: int count; + public: Counter(Group &group, const std::string &name, const std::string &help, Matcher &&matcher, const int startcount = 0): Flag(group, name, help, std::move(matcher)), count(startcount) {} virtual ~Counter() {} @@ -1263,6 +1294,13 @@ namespace args } return me; } + + /** Get the count + */ + int &Get() noexcept + { + return count; + } }; /** A default Reader function for argument classes @@ -1303,13 +1341,13 @@ namespace args template <typename T, void (*Reader)(const std::string &, const std::string &, T&) = ArgReader<T>> class ArgFlag : public ArgFlagBase { - public: - /** The publicly accessible value member - * - * You can change this, but you probably shouldn't. - */ + friend T &get(ArgFlag &); + + private: T value; + public: + ArgFlag(Group &group, const std::string &name, const std::string &help, Matcher &&matcher, const T &defaultValue = T()): ArgFlagBase(name, help, std::move(matcher)), value(defaultValue) { group.Add(*this); @@ -1321,6 +1359,13 @@ namespace args { Reader(name, value, this->value); } + + /** Get the value + */ + T &Get() noexcept + { + return value; + } }; /** An argument-accepting flag class that pushes the found values into a list @@ -1335,13 +1380,12 @@ namespace args void (*Reader)(const std::string &, const std::string &, T&) = ArgReader<T>> class ArgFlagList : public ArgFlagBase { - public: - /** The publicly accessible value member list - * - * You can change this, but you probably shouldn't. - */ + friend List &get(ArgFlagList &); + private: List values; + public: + ArgFlagList(Group &group, const std::string &name, const std::string &help, Matcher &&matcher, const List &defaultValues = List()): ArgFlagBase(name, help, std::move(matcher)), values(defaultValues) { group.Add(*this); @@ -1354,6 +1398,13 @@ namespace args values.emplace_back(); Reader(name, value, values.back()); } + + /** Get the values + */ + List &Get() noexcept + { + return values; + } }; /** A positional argument class @@ -1364,13 +1415,10 @@ namespace args template <typename T, void (*Reader)(const std::string &, const std::string &, T&) = ArgReader<T>> class PosArg : public PosBase { - public: - /** The publicly accessible value member - * - * You can change this, but you probably shouldn't. - */ + friend T &get(PosArg &); + private: T value; - + public: PosArg(Group &group, const std::string &name, const std::string &help, const T &defaultValue = T()): PosBase(name, help), value(defaultValue) { group.Add(*this); @@ -1384,6 +1432,13 @@ namespace args ready = false; matched = true; } + + /** Get the value + */ + T &Get() noexcept + { + return value; + } }; /** A positional argument class that pushes the found values into a list @@ -1398,13 +1453,11 @@ namespace args void (*Reader)(const std::string &, const std::string &, T&) = ArgReader<T>> class PosArgList : public PosBase { - public: - /** The publicly accessible value member list - * - * You can change this, but you probably shouldn't. - */ + friend List &get(PosArgList &); + private: List values; + public: PosArgList(Group &group, const std::string &name, const std::string &help, const List &defaultValues = List()): PosBase(name, help), values(defaultValues) { group.Add(*this); @@ -1423,5 +1476,12 @@ namespace args { return name + std::string("..."); } + + /** Get the values + */ + List &Get() noexcept + { + return values; + } }; } |