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BUG#: 8273
TITLE: Remove trailing space characters
DESCRIPTION: Remove meaningless whitespace.

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// this work for additional information regarding copyright ownership.
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#ifndef Pegasus_Formatter_h
#define Pegasus_Formatter_h

#include <Pegasus/Common/Config.h>
#include <Pegasus/Common/String.h>
#include <Pegasus/Common/Linkage.h>
#include <Pegasus/Common/StrLit.h>

PEGASUS_NAMESPACE_BEGIN

/**
    Formatter is a class to build formatted strings from
    strings that contain variable defintions.  The
    variable definitions in the strings are of the form
    $<int>

    where <int> is a single digit integer (0 - 9).

    The variable subsituted may be String, Boolean Integer, Unsigned Integer
    or real.

    The format subsitution may be escaped by preceding the
    $ with a \

    usage:
    Formatter::format (FormatString, variable0,.., variable9)

    Example:
    <pre>
    int total = 4;
    int count = 2;
    String name = "Output"
    String output = Formatter::format(
        "total $0 average $1 on $2",
        total,
        total/count,
        name);

    produces the string

      "total 4 average 2 on Output"

    </pre>
*/
class PEGASUS_COMMON_LINKAGE Formatter
{
public:

    class Arg
    {
    public:

        enum Type { VOIDT, STRING, CSTRLIT, BOOLEAN, INTEGER,
            UINTEGER, LINTEGER, ULINTEGER, REAL };

        Arg() : _type(VOIDT)
        {
        }

        Arg(const String& x) : _string(x), _type(STRING)
        {
        }

        Arg(const char* x) : _string(x), _type(STRING)
        {
        }

        Arg(const StrLit& x) : _cstrlit(&x), _type(CSTRLIT)
        {
        }

        Arg(Boolean x) : _boolean(x), _type(BOOLEAN)
        {
        }

        Arg(Sint32 x) : _integer(x), _type(INTEGER)
        {
        }

        Arg(Uint32 x) : _uinteger(x), _type(UINTEGER)
        {
        }

        Arg(Sint64 x) : _lInteger(x), _type(LINTEGER)
        {
        }

        Arg(Uint64 x) : _lUInteger(x), _type(ULINTEGER)
        {
        }

        Arg(Real64 x) : _real(x), _type(REAL)
        {
        }

        String toString() const;

        void appendToString(String& out) const;

        friend class MessageLoaderICU;

    private:

        String _string;

        union
        {
            Sint32 _integer;
            Uint32 _uinteger;
            Real64 _real;
            int _boolean;
            Sint64 _lInteger;
            Uint64 _lUInteger;
            const StrLit* _cstrlit;
        };

        Type _type;
    };

    /** Format function for the formatter
    */
    static String format(
        const String& formatString,
        const Arg& arg0 = Formatter::DEFAULT_ARG,
        const Arg& arg1 = Formatter::DEFAULT_ARG,
        const Arg& arg2 = Formatter::DEFAULT_ARG,
        const Arg& arg3 = Formatter::DEFAULT_ARG,
        const Arg& arg4 = Formatter::DEFAULT_ARG,
        const Arg& arg5 = Formatter::DEFAULT_ARG,
        const Arg& arg6 = Formatter::DEFAULT_ARG,
        const Arg& arg7 = Formatter::DEFAULT_ARG,
        const Arg& arg8 = Formatter::DEFAULT_ARG,
        const Arg& arg9 = Formatter::DEFAULT_ARG);

    static const Formatter::Arg DEFAULT_ARG;
};

PEGASUS_NAMESPACE_END

#endif /* Pegasus_Formatter_h */