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mirror of https://git.dev.opencascade.org/repos/occt.git synced 2025-04-06 18:26:22 +03:00
occt/src/Interface/Interface_FloatWriter.hxx
tiv 0423218095 0030895: Coding Rules - specify std namespace explicitly for std::cout and streams
"endl" manipulator for Message_Messenger is renamed to "Message_EndLine".

The following entities from std namespace are now used
with std:: explicitly specified (from Standard_Stream.hxx):
std::istream,std::ostream,std::ofstream,std::ifstream,std::fstream,
std::filebuf,std::streambuf,std::streampos,std::ios,std::cout,std::cerr,
std::cin,std::endl,std::ends,std::flush,std::setw,std::setprecision,
std::hex,std::dec.
2019-08-16 12:16:38 +03:00

133 lines
4.9 KiB
C++

// Created on: 1994-04-15
// Created by: Christian CAILLET
// Copyright (c) 1994-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.
#ifndef _Interface_FloatWriter_HeaderFile
#define _Interface_FloatWriter_HeaderFile
#include <Standard.hxx>
#include <Standard_DefineAlloc.hxx>
#include <Standard_Handle.hxx>
#include <Standard_Character.hxx>
#include <Standard_Real.hxx>
#include <Standard_Boolean.hxx>
#include <Standard_Integer.hxx>
#include <Standard_CString.hxx>
//! This class converts a floting number (Real) to a string
//! It can be used if the standard C-C++ output functions
//! (sprintf or std::cout<<) are not convenient. That is to say :
//! - to suppress trailing '0' and 'E+00' (if desired)
//! - to control exponant output and floating point output
//!
//! Formats are given in the form used by printf-sprintf
class Interface_FloatWriter
{
public:
DEFINE_STANDARD_ALLOC
//! Creates a FloatWriter ready to work, with default options -
//! - zero suppress option is set
//! - main format is set to "%E"
//! - secondary format is set to "%f" for values between 0.1 and
//! 1000. in absolute values
//! If <chars> is given (and positive), it will produce options
//! to produce this count of characters : "%<chars>f","%<chars>%E"
Standard_EXPORT Interface_FloatWriter(const Standard_Integer chars = 0);
//! Sets a specific Format for Sending Reals (main format)
//! (Default from Creation is "%E")
//! If <reset> is given True (default), this call clears effects
//! of former calls to SetFormatForRange and SetZeroSuppress
Standard_EXPORT void SetFormat (const Standard_CString form, const Standard_Boolean reset = Standard_True);
//! Sets a secondary Format for Real, to be applied between R1 and
//! R2 (in absolute values). A Call to SetRealForm cancels this
//! secondary form if <reset> is True.
//! (Default from Creation is "%f" between 0.1 and 1000.)
//! Warning : if the condition (0. <= R1 < R2) is not fulfilled, this
//! secondary form is canceled.
Standard_EXPORT void SetFormatForRange (const Standard_CString form, const Standard_Real R1, const Standard_Real R2);
//! Sets Sending Real Parameters to suppress trailing Zeros and
//! Null Exponant ("E+00"), if <mode> is given True, Resets this
//! mode if <mode> is False (in addition to Real Forms)
//! A call to SetRealFrom resets this mode to False ig <reset> is
//! given True (Default from Creation is True)
Standard_EXPORT void SetZeroSuppress (const Standard_Boolean mode);
//! Sets again options to the defaults given by Create
Standard_EXPORT void SetDefaults (const Standard_Integer chars = 0);
//! Returns active options : <zerosup> is the option ZeroSuppress,
//! <range> is True if a range is set, False else
//! R1,R2 give the range (if it is set)
Standard_EXPORT void Options (Standard_Boolean& zerosup, Standard_Boolean& range, Standard_Real& R1, Standard_Real& R2) const;
//! Returns the main format
//! was C++ : return const
Standard_EXPORT Standard_CString MainFormat() const;
//! Returns the format for range, if set
//! Meaningful only if <range> from Options is True
//! was C++ : return const
Standard_EXPORT Standard_CString FormatForRange() const;
//! Writes a Real value <val> to a string <text> by using the
//! options. Returns the useful Length of produced string.
//! It calls the class method Convert.
//! Warning : <text> is assumed to be wide enough (20-30 is correct)
//! And, even if declared in, its content will be modified
Standard_EXPORT Standard_Integer Write (const Standard_Real val, const Standard_CString text) const;
//! This class method converts a Real Value to a string, given
//! options given as arguments. It can be called independantly.
//! Warning : even if declared in, content of <text> will be modified
Standard_EXPORT static Standard_Integer Convert (const Standard_Real val, const Standard_CString text, const Standard_Boolean zerosup, const Standard_Real Range1, const Standard_Real Range2, const Standard_CString mainform, const Standard_CString rangeform);
protected:
private:
Standard_Character themainform[12];
Standard_Real therange1;
Standard_Real therange2;
Standard_Character therangeform[12];
Standard_Boolean thezerosup;
};
#endif // _Interface_FloatWriter_HeaderFile