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- Committer: edam
- Date: 2012-02-25 01:31:43 UTC
- Revision ID: tim@ed.am-20120225013143-9fet2y2d3fjlrwez
added ulibc
- files added:
- src/utility
added
removed
src/utility/ios
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/* Copyright (C) 2004 Garrett A. Kajmowicz
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This file is part of the uClibc++ Library.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <basic_definitions>
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#include <cstddef>
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#include <locale>
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#include <iosfwd>
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#ifndef __HEADER_STD_IOS
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#define __HEADER_STD_IOS 1
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#pragma GCC visibility push(default)
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namespace std{
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typedef signed long int streamoff;
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template <class stateT> class fpos;
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class _UCXXEXPORT ios_base {
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public:
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class failure;
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#ifdef __UCLIBCXX_EXCEPTION_SUPPORT__
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class failure : public exception {
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public:
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explicit failure(const std::string& msg) { }
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explicit failure() { }
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virtual const char* what() const throw() {
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return "std::ios_base failure exception";
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}
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};
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#endif
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#ifdef __UCLIBCXX_SUPPORT_CDIR__
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class _UCXXLOCAL Init{
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public:
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_UCXXEXPORT Init();
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_UCXXEXPORT ~Init();
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private:
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static int init_cnt;
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};
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#endif
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public:
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typedef unsigned short int fmtflags;
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static const fmtflags skipws = 0x0001;
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static const fmtflags left = 0x0002;
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static const fmtflags right = 0x0004;
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static const fmtflags internal = 0x0008;
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static const fmtflags boolalpha = 0x0010;
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static const fmtflags dec = 0x0020;
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static const fmtflags oct = 0x0040;
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static const fmtflags hex = 0x0080;
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static const fmtflags scientific = 0x0100;
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static const fmtflags fixed = 0x0200;
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static const fmtflags showbase = 0x0400;
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static const fmtflags showpoint = 0x0800;
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static const fmtflags showpos = 0x1000;
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static const fmtflags uppercase = 0x2000;
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static const fmtflags adjustfield = left | right | internal;
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static const fmtflags basefield = dec | oct | hex;
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static const fmtflags floatfield = fixed | scientific;
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static const fmtflags unitbuf = 0x4000;
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typedef unsigned char iostate;
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static const iostate goodbit = 0x00;
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static const iostate badbit = 0x01;
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static const iostate eofbit = 0x02;
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static const iostate failbit = 0x04;
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typedef unsigned char openmode;
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static const openmode app = 0x01;
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static const openmode ate = 0x02;
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static const openmode binary = 0x04;
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static const openmode in = 0x08;
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static const openmode out = 0x10;
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static const openmode trunc = 0x20;
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typedef unsigned char seekdir;
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static const seekdir beg = 0x01;
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static const seekdir cur = 0x02;
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static const seekdir end = 0x04;
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_UCXXEXPORT fmtflags flags() const{
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return mformat;
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}
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_UCXXEXPORT fmtflags flags(fmtflags fmtfl);
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fmtflags setf(fmtflags fmtfl);
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fmtflags setf(fmtflags fmtfl, fmtflags mask );
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_UCXXEXPORT void unsetf(fmtflags mask){
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mformat&= ~mask;
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}
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_UCXXEXPORT streamsize precision() const{
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return mprecision;
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}
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_UCXXEXPORT streamsize precision(streamsize prec);
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_UCXXEXPORT streamsize width() const{
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return mwidth;
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}
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_UCXXEXPORT streamsize width(streamsize wide);
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_UCXXEXPORT locale imbue(const locale& loc);
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_UCXXEXPORT locale getloc() const{
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return mLocale;
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}
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// FIXME - These need to be implemented
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// static int xalloc();
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// long& iword(int index);
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// void*& pword(int index);
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_UCXXEXPORT ~ios_base() { }
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enum event { erase_event, imbue_event, copyfmt_event };
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typedef void (*event_callback)(event, ios_base&, int index);
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// void register_callback(event_call_back fn, int index);
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//We are going to wrap stdio so we don't need implementation of the following:
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inline static bool sync_with_stdio(bool = true) { return true; }
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protected:
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_UCXXEXPORT ios_base() : mLocale(), mformat(dec | skipws ), mstate(goodbit),
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mmode(), mdir(), mprecision(6), mwidth(0)
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#ifdef __UCLIBCXX_SUPPORT_CDIR__
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,mInit()
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#endif
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{
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}
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locale mLocale;
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fmtflags mformat;
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iostate mstate;
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openmode mmode;
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seekdir mdir;
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streamsize mprecision;
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streamsize mwidth;
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#ifdef __UCLIBCXX_SUPPORT_CDIR__
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Init mInit;
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#endif
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};
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//ios_base manipulators
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inline ios_base& boolalpha (ios_base& str){
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str.setf(ios_base::boolalpha);
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return str;
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}
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inline ios_base& noboolalpha(ios_base& str){
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str.unsetf(ios_base::boolalpha);
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return str;
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}
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inline ios_base& showbase (ios_base& str){
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str.setf(ios_base::showbase);
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return str;
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}
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inline ios_base& noshowbase (ios_base& str){
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str.unsetf(ios_base::showbase);
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return str;
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}
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inline ios_base& showpoint (ios_base& str){
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str.setf(ios_base::showpoint);
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return str;
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}
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inline ios_base& noshowpoint(ios_base& str){
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str.unsetf(ios_base::showpoint);
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return str;
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}
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inline ios_base& showpos (ios_base& str){
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str.setf(ios_base::showpos);
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return str;
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}
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inline ios_base& noshowpos (ios_base& str){
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str.unsetf(ios_base::showpos);
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return str;
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}
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inline ios_base& skipws (ios_base& str){
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str.setf(ios_base::skipws);
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return str;
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}
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inline ios_base& noskipws (ios_base& str){
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str.unsetf(ios_base::skipws);
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return str;
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}
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inline ios_base& uppercase (ios_base& str){
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str.setf(ios_base::uppercase);
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return str;
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}
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inline ios_base& nouppercase(ios_base& str){
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str.unsetf(ios_base::uppercase);
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return str;
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}
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inline ios_base& unitbuf (ios_base& str){
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str.setf(ios_base::unitbuf);
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return str;
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}
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inline ios_base& nounitbuf (ios_base& str){
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str.unsetf(ios_base::unitbuf);
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return str;
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}
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inline ios_base& internal (ios_base& str){
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str.setf(ios_base::internal, ios_base::adjustfield);
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return str;
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}
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inline ios_base& left (ios_base& str){
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str.setf(ios_base::left, ios_base::adjustfield);
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return str;
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}
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inline ios_base& right (ios_base& str){
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str.setf(ios_base::right, ios_base::adjustfield);
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return str;
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}
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inline ios_base& dec (ios_base& str){
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str.setf(ios_base::dec, ios_base::basefield);
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return str;
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}
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inline ios_base& hex (ios_base& str){
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str.setf(ios_base::hex, ios_base::basefield);
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return str;
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}
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inline ios_base& oct (ios_base& str){
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str.setf(ios_base::oct, ios_base::basefield);
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return str;
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}
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inline ios_base& fixed (ios_base& str){
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str.setf(ios_base::fixed, ios_base::floatfield);
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return str;
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}
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inline ios_base& scientific (ios_base& str){
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str.setf(ios_base::scientific, ios_base::floatfield);
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return str;
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}
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//basic_ios class definition
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template <class charT, class traits > class _UCXXEXPORT basic_ios
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: public ios_base
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{
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public:
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// Types:
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typedef charT char_type;
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typedef typename traits::int_type int_type;
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typedef typename traits::pos_type pos_type;
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typedef typename traits::off_type off_type;
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typedef traits traits_type;
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_UCXXEXPORT operator void*() const{
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if(fail() ){
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return 0;
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}
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return (void *)(1); //Must return a non-NULL pointer (though it can be *any* pointer)
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}
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_UCXXEXPORT bool operator!() const{
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return fail();
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}
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_UCXXEXPORT iostate rdstate() const{
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return mstate;
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}
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_UCXXEXPORT void clear(iostate state = goodbit){
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if(rdbuf()!=0){
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mstate = state;
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}else{
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mstate = state|ios_base::badbit;
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}
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}
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_UCXXEXPORT void setstate(iostate state) {
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clear(rdstate() | state);
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#ifdef __UCLIBCXX_EXCEPTION_SUPPORT__
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if(rdstate() & throw_mask){
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throw failure();
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}
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#endif
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}
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_UCXXEXPORT bool good() const{
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return (rdstate() == 0);
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}
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_UCXXEXPORT bool eof() const{
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if(rdstate() & eofbit){
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return true;
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}
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return false;
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}
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_UCXXEXPORT bool fail() const{
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if( mstate & (failbit | badbit) ){
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return true;
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}
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return false;
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}
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_UCXXEXPORT bool bad() const{
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if(mstate & badbit){
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return true;
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}
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return false;
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}
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_UCXXEXPORT iostate exceptions() const{
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return throw_mask;
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}
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_UCXXEXPORT void exceptions(iostate except){
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throw_mask = except;
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}
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explicit _UCXXEXPORT basic_ios(basic_streambuf<charT,traits>* sb) : fill_char(' '), mtied(0), mstreambuf(0){
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init(sb);
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}
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basic_ios() : mtied(0), mstreambuf(0){ }
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virtual _UCXXEXPORT ~basic_ios(){
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}
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_UCXXEXPORT basic_ostream<charT,traits>* tie() const{
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return mtied;
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}
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_UCXXEXPORT basic_ostream<charT,traits>* tie(basic_ostream<charT,traits>* tiestr){
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basic_ostream<charT,traits>* retval= mtied;
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mtied = tiestr;
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return retval;
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}
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_UCXXEXPORT basic_streambuf<charT,traits>* rdbuf() const{
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return mstreambuf;
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}
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_UCXXEXPORT basic_streambuf<charT,traits>* rdbuf(basic_streambuf<charT,traits>* sb){
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basic_streambuf<charT,traits>* retval = mstreambuf;
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mstreambuf = sb;
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return retval;
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}
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_UCXXEXPORT basic_ios& copyfmt(const basic_ios& rhs);
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_UCXXEXPORT char_type fill() const{
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return fill_char;
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}
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_UCXXEXPORT char_type fill(char_type ch){
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char_type temp = fill_char;
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fill_char = ch;
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return temp;
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}
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_UCXXEXPORT locale imbue(const locale& loc){
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return ios_base::imbue(loc);
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}
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_UCXXEXPORT char narrow(char_type c, char dfault) const;
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_UCXXEXPORT char_type widen(char c) const;
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protected:
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char_type fill_char;
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basic_ostream<charT,traits>* mtied;
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basic_streambuf<charT,traits>* mstreambuf;
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iostate throw_mask;
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_UCXXEXPORT basic_ios(const basic_ios<charT,traits> &){ }
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_UCXXEXPORT basic_ios<charT,traits> & operator=(const basic_ios<charT,traits> &){ return *this; }
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_UCXXEXPORT void init(basic_streambuf<charT,traits>* sb){
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ios_base::mformat = skipws|dec;
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mstreambuf = sb;
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mstate = goodbit;
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throw_mask = goodbit;
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}
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};
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#ifdef __UCLIBCXX_EXPAND_IOS_CHAR__
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#ifndef __UCLIBCXX_COMPILE_IOS__
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template <> _UCXXEXPORT void basic_ios<char, char_traits<char> >::clear(iostate state);
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template <> _UCXXEXPORT void basic_ios<char, char_traits<char> >::setstate(iostate state);
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#endif
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#endif
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template <class charT, class traits>
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inline char basic_ios<charT, traits>::narrow(char_type c, char dfault) const
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{
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return dfault;
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}
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template <>
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inline char basic_ios<char, char_traits<char> >::narrow(char_type c, char) const
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{
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return c;
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}
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#ifdef __UCLIBCXX_HAS_WCHAR__
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template <>
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inline char basic_ios<wchar_t, char_traits<wchar_t> >::narrow(char_type c, char dfault) const
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{
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char retval = wctob (c);
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if(retval == EOF){
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retval = dfault;
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}
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return retval;
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}
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#endif //__UCLIBCXX_HAS_WCHAR__
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template <class charT, class traits>
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inline typename basic_ios<charT, traits>::char_type
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basic_ios<charT, traits>::widen(char c) const
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{
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return c;
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}
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template <>
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inline basic_ios<char, char_traits<char> >::char_type
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basic_ios<char, char_traits<char> >::widen(char c) const
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{
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return c;
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}
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#ifdef __UCLIBCXX_HAS_WCHAR__
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template <>
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inline basic_ios<wchar_t, char_traits<wchar_t> >::char_type
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basic_ios<wchar_t, char_traits<wchar_t> >::widen(char c) const
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{
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return btowc(c);
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}
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#endif //__UCLIBCXX_HAS_WCHAR__
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template <class stateT> class _UCXXEXPORT fpos{
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public:
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_UCXXEXPORT fpos(stateT s){
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st = s;
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}
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_UCXXEXPORT stateT state() const{
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return st;
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}
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_UCXXEXPORT void state(stateT s){
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st = s;
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}
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_UCXXEXPORT bool operator==(const fpos &rhs){
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return st == rhs.st;
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}
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_UCXXEXPORT bool operator!=(const fpos &rhs){
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return st == rhs.st;
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}
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_UCXXEXPORT fpos & operator+(const streamoff & o){
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st += o;
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return *this;
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}
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_UCXXEXPORT fpos & operator-(const streamoff & o){
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st -= o;
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return *this;
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}
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_UCXXEXPORT streamoff operator-(const fpos & rhs){
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return st - rhs.st;
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}
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private:
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stateT st;
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};
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}
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#pragma GCC visibility pop
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#endif
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