diff options
Diffstat (limited to 'src/apps/cam/options.h')
-rw-r--r-- | src/apps/cam/options.h | 157 |
1 files changed, 0 insertions, 157 deletions
diff --git a/src/apps/cam/options.h b/src/apps/cam/options.h deleted file mode 100644 index 4ddd4987..00000000 --- a/src/apps/cam/options.h +++ /dev/null @@ -1,157 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2019, Google Inc. - * - * options.h - cam - Options parsing - */ - -#pragma once - -#include <ctype.h> -#include <list> -#include <map> -#include <tuple> -#include <vector> - -class KeyValueParser; -class OptionValue; -struct Option; - -enum OptionArgument { - ArgumentNone, - ArgumentRequired, - ArgumentOptional, -}; - -enum OptionType { - OptionNone, - OptionInteger, - OptionString, - OptionKeyValue, -}; - -template<typename T> -class OptionsBase -{ -public: - OptionsBase() : valid_(false) {} - - bool empty() const; - bool valid() const; - bool isSet(const T &opt) const; - const OptionValue &operator[](const T &opt) const; - - void invalidate(); - -private: - friend class KeyValueParser; - friend class OptionsParser; - - bool parseValue(const T &opt, const Option &option, const char *value); - - std::map<T, OptionValue> values_; - bool valid_; -}; - -class KeyValueParser -{ -public: - class Options : public OptionsBase<std::string> - { - }; - - KeyValueParser(); - virtual ~KeyValueParser(); - - bool addOption(const char *name, OptionType type, const char *help, - OptionArgument argument = ArgumentNone); - - virtual Options parse(const char *arguments); - -private: - KeyValueParser(const KeyValueParser &) = delete; - KeyValueParser &operator=(const KeyValueParser &) = delete; - - friend class OptionsParser; - unsigned int maxOptionLength() const; - void usage(int indent); - - std::map<std::string, Option> optionsMap_; -}; - -class OptionsParser -{ -public: - class Options : public OptionsBase<int> - { - }; - - OptionsParser(); - ~OptionsParser(); - - bool addOption(int opt, OptionType type, const char *help, - const char *name = nullptr, - OptionArgument argument = ArgumentNone, - const char *argumentName = nullptr, bool array = false, - int parent = 0); - bool addOption(int opt, KeyValueParser *parser, const char *help, - const char *name = nullptr, bool array = false, - int parent = 0); - - Options parse(int argc, char *argv[]); - void usage(); - -private: - OptionsParser(const OptionsParser &) = delete; - OptionsParser &operator=(const OptionsParser &) = delete; - - void usageOptions(const std::list<Option> &options, unsigned int indent); - - std::tuple<OptionsParser::Options *, const Option *> - childOption(const Option *parent, Options *options); - bool parseValue(const Option &option, const char *arg, Options *options); - - std::list<Option> options_; - std::map<unsigned int, Option *> optionsMap_; -}; - -class OptionValue -{ -public: - enum ValueType { - ValueNone, - ValueInteger, - ValueString, - ValueKeyValue, - ValueArray, - }; - - OptionValue(); - OptionValue(int value); - OptionValue(const char *value); - OptionValue(const std::string &value); - OptionValue(const KeyValueParser::Options &value); - - void addValue(const OptionValue &value); - - ValueType type() const { return type_; } - bool empty() const { return type_ == ValueType::ValueNone; } - - operator int() const; - operator std::string() const; - - int toInteger() const; - std::string toString() const; - const KeyValueParser::Options &toKeyValues() const; - const std::vector<OptionValue> &toArray() const; - - const OptionsParser::Options &children() const; - -private: - ValueType type_; - int integer_; - std::string string_; - KeyValueParser::Options keyValues_; - std::vector<OptionValue> array_; - OptionsParser::Options children_; -}; |