Arguments.h

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#ifndef __DCL_ARGUMENTS_H__
#define __DCL_ARGUMENTS_H__     20250128
 
#ifndef __DCL_OBJECT_H__
#include <dcl/Object.h>
#endif
#ifndef __DCL_ARRAY_H__
#include <dcl/Array.h>
#endif
#ifndef __DCL_WRITER_H__
#include <dcl/Writer.h>
#endif
 
__DCL_BEGIN_NAMESPACE
 
class DCLCAPI Arguments : public Object
{
    DECLARE_CLASSINFO(Arguments)
public:
    struct Option
    {
        const wchar_t* name;
        int            key;
        const wchar_t* arg;
        int            flags;
        const wchar_t* doc;
    };
 
    Arguments(
        Writer& _output, Writer& _errout,
        const wchar_t* _program_version,
        const wchar_t* _program_bug_address,
        const wchar_t* _arg_doc,
        const wchar_t* _doc,
        const Option   _options[]
    );
 
    bool parse(
        int _argc, char* _argv[], bool _argv_required = true
    );
 
    Writer& output() const {
        return __output;
    }
 
    Writer& errout() const {
        return __errout;
    }
 
    const String& value0() const {
        return __value0;
    }
 
    const StringArray& values() const {
        return __values;
    }
 
protected:
    virtual void onOption(int _key, const String& _arg)
        __DCL_THROWS1(Exception*);
 
    virtual String onValidate();
 
private:
    Writer&       __output;
    Writer&       __errout;
 
    String      __value0;
    StringArray __values;
 
    const wchar_t* __program_version;
    const wchar_t* __program_bug_address;
    const wchar_t* __arg_doc;
    const wchar_t* __doc;
    const Option*  __options;
 
public:
    String help() const;
    String shortUsage() const;
    String tryUsage() const;
    String argRequired(const String& _option) const;
    String usage() const;
    String version() const;
};
 
__DCL_END_NAMESPACE
 
#endif  // __DCL_ARGUMENTS_H__