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Man Pages


Manual Reference Pages  -  X2A (3)

NAME

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

CONTENTS

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\(cqt 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 is available as well.

STATIC MEMBER FUNCTION

o bool lastFail():
This member returns true if the last conversion failed (i.e., the object\(cqs 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\(cqs 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. The standard overloaded assignment operator is available as well.

EXAMPLE

string is(X2a(5)); // initializes ‘is\(cq with \(dq5\(dq string ds(X2a(5.25)); // initializes ‘ds\(cq with \(dq5.25\(dq

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

None Reported.

DISTRIBUTION FILES

o bobcat_3.25.01-x.dsc: detached signature;
o bobcat_3.25.01-x.tar.gz: source archive;
o bobcat_3.25.01-x_i386.changes: change log;
o libbobcat1_3.25.01-x_*.deb: debian package holding the libraries;
o libbobcat1-dev_3.25.01-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\(cqs Own Base Classes And Templates\(cq.

COPYRIGHT

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

AUTHOR

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

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libbobcat-dev_3&.25&.01-x&.tar&.gz FBB::X2A (3bobcat) 2005-2015

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