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Diffstat (limited to 'include/iprt/nocrt/iomanip')
| -rw-r--r-- | include/iprt/nocrt/iomanip | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/include/iprt/nocrt/iomanip b/include/iprt/nocrt/iomanip new file mode 100644 index 00000000..29c651e9 --- /dev/null +++ b/include/iprt/nocrt/iomanip @@ -0,0 +1,166 @@ +/** @file + * IPRT / No-CRT - Minimal C++ iomanip header. + */ + +/* + * Copyright (C) 2022 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + +#ifndef VBOX_INCLUDED_SRC_nocrt_iomanip +#define VBOX_INCLUDED_SRC_nocrt_iomanip +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include <iprt/nocrt/ios> + + +namespace std +{ + /** + * Used by all flag manipulators. + */ + struct rtNoCrtIosSetFlagsEx + { + ios_base::fmtflags m_fSet; + ios_base::fmtflags m_fMask; + }; + + template<typename a_CharType, typename a_CharTraits> + inline basic_istream<a_CharType, a_CharTraits> &operator>>(basic_istream<a_CharType, a_CharTraits> &a_rSrc, + struct rtNoCrtIosSetFlagsEx a_Change) + { + a_rSrc.setf(a_Change.m_fSet, a_Change.m_fMask); + return a_rSrc; + } + + template<typename a_CharType, typename a_CharTraits> + inline basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, + struct rtNoCrtIosSetFlagsEx a_Change) + { + a_rDst.setf(a_Change.m_fSet, a_Change.m_fMask); + return a_rDst; + } + + + /* + * Flag modification functions. + */ + + inline struct rtNoCrtIosSetFlagsEx setiosflags(ios_base::fmtflags a_fFlags) + { + struct rtNoCrtIosSetFlagsEx Ret = { a_fFlags, a_fFlags }; + return Ret; + } + + inline struct rtNoCrtIosSetFlagsEx resetiosflags(ios_base::fmtflags a_fFlags) + { + struct rtNoCrtIosSetFlagsEx Ret = { ios_base::fmtflags(0), a_fFlags }; + return Ret; + } + + inline struct rtNoCrtIosSetFlagsEx setbase(int a_iBase) + { + struct rtNoCrtIosSetFlagsEx Ret = + { + a_iBase == 10 ? ios_base::dec + : a_iBase == 16 ? ios_base::hex + : a_iBase == 8 ? ios_base::oct + : ios_base::fmtflags(0), + ios_base::basefield + }; + return Ret; + } + + /* + * Modify precision. + */ + struct rtNoCrtIosSetPrecision + { + int m_cchPrecision; + }; + + template<typename a_CharType, typename a_CharTraits> + inline basic_istream<a_CharType, a_CharTraits> &operator>>(basic_istream<a_CharType, a_CharTraits> &a_rSrc, + struct rtNoCrtIosSetPrecision a_Change) + { + a_rSrc.precision(a_Change.m_cchPrecision); + return a_rSrc; + } + + template<typename a_CharType, typename a_CharTraits> + inline basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, + struct rtNoCrtIosSetPrecision a_Change) + { + a_rDst.precision(a_Change.m_cchPrecision); + return a_rDst; + } + + inline struct rtNoCrtIosSetPrecision setprecision(int a_cchPrecision) + { + struct rtNoCrtIosSetPrecision Ret = { a_cchPrecision }; + return Ret; + } + + /* + * Modify width. + */ + struct rtNoCrtIosSetWidth + { + int m_cchWidth; + }; + + template<typename a_CharType, typename a_CharTraits> + inline basic_istream<a_CharType, a_CharTraits> &operator>>(basic_istream<a_CharType, a_CharTraits> &a_rSrc, + struct rtNoCrtIosSetWidth a_Change) + { + a_rSrc.width(a_Change.m_cchWidth); + return a_rSrc; + } + + template<typename a_CharType, typename a_CharTraits> + inline basic_ostream<a_CharType, a_CharTraits> &operator<<(basic_ostream<a_CharType, a_CharTraits> &a_rDst, + struct rtNoCrtIosSetWidth a_Change) + { + a_rDst.width(a_Change.m_cchWidth); + return a_rDst; + } + + inline struct rtNoCrtIosSetWidth setw(int a_cchWidth) + { + struct rtNoCrtIosSetWidth Ret = { a_cchWidth }; + return Ret; + } + + /** @todo setfil, get_money, set_money, get_time, set_time */ +} + +#endif /* !VBOX_INCLUDED_SRC_nocrt_iomanip */ + |