diff options
Diffstat (limited to 'misc/uClibc++/include/cxx/ostream_helpers')
-rw-r--r-- | misc/uClibc++/include/cxx/ostream_helpers | 491 |
1 files changed, 491 insertions, 0 deletions
diff --git a/misc/uClibc++/include/cxx/ostream_helpers b/misc/uClibc++/include/cxx/ostream_helpers new file mode 100644 index 000000000..6c3f9fc69 --- /dev/null +++ b/misc/uClibc++/include/cxx/ostream_helpers @@ -0,0 +1,491 @@ +/* Copyright (C) 2004 Garrett A. Kajmowicz + + This file is part of the uClibc++ Library. + + This library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + This library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with this library; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +*/ + +#include <basic_definitions> +#include <cstddef> +#include <ios> +#include <cctype> +#include <string> +#include <stdio.h> + +#ifndef __STD_HEADER_OSTREAM_HELPERS +#define __STD_HEADER_OSTREAM_HELPERS 1 + +#pragma GCC visibility push(default) + +namespace std{ + + /* We are making the following template class for serveral reasons. Firstly, + * we want to keep the main ostream code neat and tidy. Secondly, we want it + * to be easy to do partial specialization of the ostream code so that it can + * be expanded and put into the library. This will allow us to make application + * code smaller at the expense of increased library size. This is a fair + * trade-off when there are multiple applications being compiled. Also, this + * feature will be used optionally via configuration options. It will also + * allow us to keep the code bases in sync, dramatically simplifying the + * maintenance required. We specialized for char because wchar and others + * require different scanf functions + */ + + + + template <class traits, class charT, class dataType> class _UCXXEXPORT __ostream_printout{ + public: + static void printout(basic_ostream<charT,traits>& stream, const dataType n); + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, signed long int>{ + public: + static void printout(basic_ostream<char, traits >& stream, const signed long int n) + { + char buffer[20]; + const char * c_ld = "%ld"; + const char * c_lo = "%lo"; + const char * c_lX = "%lX"; + const char * c_lx = "%lx"; + const char * c_hashlo = "%#lo"; + const char * c_hashlX = "%#lX"; + const char * c_hashlx = "%#lx"; + + const char * formatString=0; + + if( stream.flags() & ios_base::dec){ + formatString = c_ld; + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + formatString = c_hashlo; + }else{ + formatString = c_lo; + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + formatString = c_hashlX; + }else{ + formatString = c_hashlx; + } + }else{ + if(stream.flags() & ios_base::uppercase){ + formatString = c_lX; + }else{ + formatString = c_lx; + } + } + } + + stream.printout(buffer, snprintf(buffer, 20, formatString, n) ); + + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + + } + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, unsigned long int>{ + public: + static void printout(basic_ostream<char, traits >& stream, const unsigned long int n) + { + char buffer[20]; + const char * c_lo = "%lo"; + const char * c_lu = "%lu"; + const char * c_lX = "%lX"; + const char * c_lx = "%lx"; + const char * c_hashlo = "%#lo"; + const char * c_hashlX = "%#lX"; + const char * c_hashlx = "%#lx"; + const char * formatString=0; + + if( stream.flags() & ios_base::dec){ + formatString = c_lu; + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + formatString = c_hashlo; + }else{ + formatString = c_lo; + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + formatString = c_hashlX; + }else{ + formatString = c_hashlx; + } + }else{ + if(stream.flags() & ios_base::uppercase){ + formatString = c_lX; + }else{ + formatString = c_lx; + } + } + } + + stream.printout(buffer, snprintf(buffer, 20, formatString, n)); + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + +#ifndef __STRICT_ANSI__ + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, signed long long int>{ + public: + static void printout(basic_ostream<char, traits >& stream, const signed long long int n) + { + char buffer[28]; + const char * lld = "%lld"; + const char * llo = "%llo"; + const char * llX = "%llX"; + const char * llx = "%llx"; + const char * hashllo = "%#llo"; + const char * hashllX = "%#llX"; + const char * hashllx = "%#llx"; + const char * formatString=0; + + if( stream.flags() & ios_base::dec){ + formatString = lld; + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + formatString = hashllo; + }else{ + formatString = llo; + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + formatString = hashllX; + }else{ + formatString = hashllx; + } + }else{ + if(stream.flags() & ios_base::uppercase){ + formatString = llX; + }else{ + formatString = llx; + } + } + } + + stream.printout(buffer, snprintf(buffer, 27, formatString, n) ); + + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, unsigned long long int>{ + public: + static void printout(basic_ostream<char, traits >& stream, const unsigned long long int n) + { + char buffer[28]; + const char * llo = "%llo"; + const char * llu = "%llu"; + const char * llX = "%llX"; + const char * llx = "%llx"; + const char * hashllo = "%#llo"; + const char * hashllX = "%#llX"; + const char * hashllx = "%#llx"; + const char * formatString=0; + + if( stream.flags() & ios_base::dec){ + formatString = llu; + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + formatString = hashllo; + }else{ + formatString = llo; + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + formatString = hashllX; + }else{ + formatString = hashllx; + } + }else{ + if(stream.flags() & ios_base::uppercase){ + formatString = llX; + }else{ + formatString = llx; + } + } + } + + stream.printout(buffer, snprintf(buffer, 27, formatString, n) ); + + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + +#endif //__STRICT_ANSI__ + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, double>{ + public: + static void printout(basic_ostream<char, traits >& stream, const double f) + { + char buffer[32]; + int length; + if(stream.flags() & ios_base::scientific){ + if(stream.flags() & ios_base::uppercase){ + length = snprintf(buffer, 32, "%*.*E", static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f); + }else{ + length = snprintf(buffer, 32, "%*.*e", static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f); + } + } else if(stream.flags() & ios_base::fixed){ + length = snprintf(buffer, 32, "%*.*f",static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f); + } else { + length = snprintf(buffer, 32, "%*.*g",static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f); + } + stream.printout(buffer, length); + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, long double>{ + public: + static void printout(basic_ostream<char, traits >& stream, const long double f) + { + char buffer[32]; + int length; + if(stream.flags() & ios_base::scientific){ + if(stream.flags() & ios_base::uppercase){ + length = snprintf(buffer, 32, "%*.*LE", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f); + }else{ + length = snprintf(buffer, 32, "%*.*Le", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f); + } + } else if(stream.flags() & ios_base::fixed){ + length = snprintf(buffer, 32, "%*.*Lf", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f); + } else { + length = snprintf(buffer, 32, "%*.*Lg", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f); + } + stream.printout(buffer, length); + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + + } + }; + +#ifdef __UCLIBCXX_HAS_WCHAR__ + template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, signed long int>{ + public: + static void printout(basic_ostream<wchar_t, traits >& stream, const signed long int n) + { + wchar_t buffer[20]; + if( stream.flags() & ios_base::dec){ + stream.printout(buffer, swprintf(buffer, 20, L"%ld", n)); + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + stream.printout(buffer, swprintf(buffer, 20, L"%#lo", n)); + }else{ + stream.printout(buffer, swprintf(buffer, 20, L"%lo", n) ); + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 20, L"%#lX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 20, L"%#lx", n) ); + } + }else{ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 20, L"%lX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 20, L"%lx", n) ); + } + } + } + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, unsigned long int>{ + public: + static void printout(basic_ostream<wchar_t, traits >& stream, const unsigned long int n) + { + wchar_t buffer[20]; + if( stream.flags() & ios_base::dec){ + stream.printout(buffer, swprintf(buffer, 20, L"%lu", n)); + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + stream.printout(buffer, swprintf(buffer, 20, L"%#lo", n)); + }else{ + stream.printout(buffer, swprintf(buffer, 20, L"%lo", n) ); + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 20, L"%#lX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 20, L"%#lx", n) ); + } + }else{ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 20, L"%lX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 20, L"%lx", n) ); + } + } + } + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + +#ifndef __STRICT_ANSI__ + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, signed long long int>{ + public: + static void printout(basic_ostream<wchar_t, traits >& stream, const signed long long int n) + { + wchar_t buffer[28]; + if( stream.flags() & ios_base::dec){ + stream.printout(buffer, swprintf(buffer, 27, L"%lld", n)); + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + stream.printout(buffer, swprintf(buffer, 27, L"%#llo", n)); + }else{ + stream.printout(buffer, swprintf(buffer, 27, L"%llo", n) ); + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 27, L"%#llX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 27, L"%#llx", n) ); + } + }else{ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 27, L"%llX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 27, L"%llx", n) ); + } + } + } + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, unsigned long long int>{ + public: + static void printout(basic_ostream<wchar_t, traits >& stream, const unsigned long long int n) + { + wchar_t buffer[28]; + if( stream.flags() & ios_base::dec){ + stream.printout(buffer, swprintf(buffer, 27, L"%llu", n)); + }else if( stream.flags() & ios_base::oct){ + if( stream.flags() & ios_base::showbase){ + stream.printout(buffer, swprintf(buffer, 27, L"%#llo", n)); + }else{ + stream.printout(buffer, swprintf(buffer, 27, L"%llo", n) ); + } + }else if (stream.flags() & ios_base::hex){ + if(stream.flags() & ios_base::showbase){ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 27, L"%#llX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 27, L"%#llx", n) ); + } + }else{ + if(stream.flags() & ios_base::uppercase){ + stream.printout(buffer, swprintf(buffer, 27, L"%llX", n) ); + }else{ + stream.printout(buffer, swprintf(buffer, 27, L"%llx", n) ); + } + } + } + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + +#endif //__STRICT_ANSI__ + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, double>{ + public: + static void printout(basic_ostream<wchar_t, traits >& stream, const double f) + { + wchar_t buffer[32]; + wchar_t format_string[32]; + if(stream.flags() & ios_base::scientific){ + if(stream.flags() & ios_base::uppercase){ + swprintf(format_string, 32, L"%%%u.%uE", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision())); + }else{ + swprintf(format_string, 32, L"%%%u.%ue", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision())); + } + } else if(stream.flags() & ios_base::fixed){ + swprintf(format_string, 32, L"%%%u.%uf", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision())); + } else { + swprintf(format_string, 32, L"%%%u.%ug", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision())); + } + stream.printout(buffer, swprintf(buffer, 32, format_string, f) ); + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + + template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, long double>{ + public: + static void printout(basic_ostream<wchar_t, traits >& stream, const long double f) + { + wchar_t buffer[32]; + wchar_t format_string[32]; + if(stream.flags() & ios_base::scientific){ + if(stream.flags() & ios_base::uppercase){ + swprintf(format_string, 32, L"%%%u.%uLE", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision())); + }else{ + swprintf(format_string, 32, L"%%%u.%uLe", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision())); + } + } else if(stream.flags() & ios_base::fixed){ + swprintf(format_string, 32, L"%%%u.%uLf", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision())); + } else { + swprintf(format_string, 32, L"%%%u.%uLg", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision())); + } + stream.printout(buffer, swprintf(buffer, 32, format_string, f) ); + if(stream.flags() & ios_base::unitbuf){ + stream.flush(); + } + } + }; + +#endif //__UCLIBCXX_HAS_WCHAR__ + +} + +#pragma GCC visibility pop + +#endif + + + |