focal (3) x2a.3bobcat.gz

Provided by: libbobcat-dev_5.02.00-1build1_amd64 bug

NAME
       FBB::X2a - Objects performing x-to-Ascii conversions


SYNOPSIS
       #include <bobcat/x2a>
       Linking option: -lbobcat


DESCRIPTION
       FBB:X2a  objects convert values of any (insertable) type to text. The returned text is automatically made
       available as a standard C++ string.


NAMESPACE
       FBB
       All constructors, members, operators and manipulators, mentioned in this man-page,  are  defined  in  the
       namespace FBB.


INHERITS FROM
       std::ostringstream


CONSTRUCTORS
       o      X2a(T const &value):
              In this constructor T may be any type that can be inserted into an o[string]stream.

       o      X2a(double value, size_t behind):
              Double  value  is  truncated  to  behind digits behind the decimal dot.  If a value doesn’t occupy
              behind digits behind the decimal point, then missing digits are added as 0. For example,  a  value
              of 7.1, will be displayed as 7.10 if two digits behind the decimal dot are requested. A value of 7
              will be displayed as 7.00.

       o      X2a(double value, size_t width, size_t behind, std::ios::fmtflags flags = std::ios::right):
              The value is displayed over width character positions,  extending  the  amount  if  the  value  so
              requires. The converted value is placed right-aligned into the field of width characters.

       The copy constructor and the copy assignment operator are available.


STATIC MEMBER FUNCTION
       o      bool lastFail():
              This  member returns true if the last conversion failed (i.e., the object’s fail() member returned
              true  and  returns  false  otherwise).   This  member  allows  checks  on  the  success   of   the
              extraction/conversion  using  anonymous  A2x  objects.  The  member  also  returns  true  when  no
              conversions have as yet been performed.
              Note that this member is a thread-unsafe static member: in a multithreaded program  locks  may  be
              required to ensure that the proper conversion result is inspected.


MEMBER FUNCTIONS
       All  members  of  std::ostringstream  are  available, as FBB::X2a inherits from this class. In particular
       ostringstream::str() can be used to obtain the contents of an X2a object’s text buffer.


OVERLOADED OPERATORS
       o      operator std::ostream &operator<<(std::ostream &ostr, X2a const &x2a):
              This conversion operator inserts the textual representation of the x2a parameter  value  into  the
              provided ostream.

       o      operator std::string const() const:
              this conversion operator returns the information stored inside the FBB::X2a object.


EXAMPLE
           string is(X2a(5));      // initializes `is’ with "5"
           string ds(X2a(5.25));   // initializes `ds’ with "5.25"

           cout << X2a(7.0 / 3, 4) << endl;
                                   // display a value using 4 digits behind the
                                   // decimal dot.
           cout << X2a(7.0 / 3, 8, 4) << endl;
                                   // display a value over 8 positions, right
                                   // adjusted, 4 digits behind the decimal dot.
           cout << X2a(7.0 / 3, 8, 4, std::ios::left) << endl;
                                   // display a value over 8 positions, left
                                   // adjusted, 4 digits behind the decimal dot.


FILES
       bobcat/x2a - defines the class interface


SEE ALSO
       bobcat(7), a2x(3bobcat)


BUGS
       The functionality of this class is to a large extent also offered by the C++ function std::to_string.


DISTRIBUTION FILES
       o      bobcat_5.02.00-x.dsc: detached signature;

       o      bobcat_5.02.00-x.tar.gz: source archive;

       o      bobcat_5.02.00-x_i386.changes: change log;

       o      libbobcat1_5.02.00-x_*.deb: debian package holding the libraries;

       o      libbobcat1-dev_5.02.00-x_*.deb: debian package holding the libraries, headers and manual pages;

       o      http://sourceforge.net/projects/bobcat: public archive location;


BOBCAT
       Bobcat is an acronym of `Brokken’s Own Base Classes And Templates’.


       This is free software, distributed under the terms of the GNU General Public License (GPL).


AUTHOR
       Frank B. Brokken (f.b.brokken@rug.nl).