43502018c5
+Add options +Add help +Add support for multiple identical devices *New README *Bug fixes
94 lines
2.4 KiB
C++
94 lines
2.4 KiB
C++
#ifndef OPTIONS_H
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#define OPTIONS_H
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//DUPLICATES NOT HANDLED: takes last one
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//NO ORDER: no way to know options order
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//RETURNS TRANSITIONAL STATE IF ERROR
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#include <vector>
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#include <string>
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#include <utility>
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// Turn argc/argv into a vector<string>
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std::vector<std::string> argVector(int argc, char** argv);
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class Option
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{
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public:
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/* CTOR/DTOR */
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//ctors
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Option();
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Option(char c, bool arg, std::string helptext="", std::string argname="arg");
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Option(std::string const& str, bool arg, std::string helptext="", std::string argname="arg");
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Option(char c, std::string const& str, bool arg, std::string helptext="", std::string argname="arg");
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//dtors
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virtual ~Option();
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/* FUNCTIONS */
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// Print command help. Puts leftpad spaces before printing, and rightpad space until help
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void printHelp(int leftpad, int rightpad);
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/* PROPERTIES */
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bool shortDef; // has a char definition
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char charName;
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bool longDef; // has a string definition
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std::string strName;
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bool takesArgument; // option takes an argument
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std::string help_text; // text to display in printHelp
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std::string arg_name; // name of the argument to display in printHelp
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/* PROCESSING STATUS */
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bool activated; // option was activated
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std::string argument; // argument of the option
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};
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class OptionSet
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{
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public:
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/* CTOR/DTOR */
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OptionSet();
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virtual ~OptionSet();
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/* PROPERTIES */
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// Stream on which errors are sent. Default stderr
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std::ostream* errStream;
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/* FUNCTIONS */
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/*CREATION FUNCTIONS*/
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//Adding an option. Refer to Option ctors
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void addOption(Option opt) { m_options.push_back(opt); }
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/*PRINT FUNCTIONS*/
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// Print command help. Puts leftpad spaces before each line, and rightpad space until help
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void printHelp(int leftpad=2, int rightpad=25);
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/*QUERY FUNCTIONS*/
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// Find an option with its charname
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Option* findOption(char c);
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// Find an option with its stringname
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Option* findOption(std::string const& str);
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/*PROCESSING FUNCTIONS*/
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// Process through options.
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// pair.first : vector with arguments that were not identified as options
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// pair.second : bool indicating status. True if no error encountered, false if errors
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std::pair<std::vector<std::string>,bool> getOptions(std::vector<std::string> input);
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std::pair<std::vector<std::string>,bool> getOptions(int argc, char** argv) { return getOptions(argVector(argc, argv)); }
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private:
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std::vector<Option> m_options;
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};
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#endif //OPTIONS_H
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