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- Committer: edam
- Date: 2011-11-04 13:48:15 UTC
- Revision ID: edam@waxworlds.org-20111104134815-kj7qdhqfbxaj1tng
finished writing up electronics notes
- files added:
- propeller-clock.sch
- files removed:
- .bzrignore
- project
- src
- src/util
- src/utility
- test
- test/fan-test
- test/fan-test/Makefile
- test/led-test
- test/led-test/Makefile
- test/phantom-button-presses
- test/phantom-button-presses/Makefile
- files renamed:
- src/Makefile@ => Makefile
- notes => Notes
- files modified:
- electronics-information
added
removed
src/utility/ostream_helpers
1
/* 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
13
Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
16
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 <ios>
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#include <cctype>
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#include <string>
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#ifndef __STD_HEADER_OSTREAM_HELPERS
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#define __STD_HEADER_OSTREAM_HELPERS 1
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#pragma GCC visibility push(default)
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namespace std{
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/* We are making the following template class for serveral reasons. Firstly,
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* we want to keep the main ostream code neat and tidy. Secondly, we want it
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* to be easy to do partial specialization of the ostream code so that it can
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* be expanded and put into the library. This will allow us to make application
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* code smaller at the expense of increased library size. This is a fair
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* trade-off when there are multiple applications being compiled. Also, this
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* feature will be used optionally via configuration options. It will also
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* allow us to keep the code bases in sync, dramatically simplifying the
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* maintenance required. We specialized for char because wchar and others
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* require different scanf functions
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*/
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template <class traits, class charT, class dataType> class _UCXXEXPORT __ostream_printout{
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public:
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static void printout(basic_ostream<charT,traits>& stream, const dataType n);
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};
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, signed long int>{
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public:
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static void printout(basic_ostream<char, traits >& stream, const signed long int n)
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{
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char buffer[20];
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const char * c_ld = "%ld";
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const char * c_lo = "%lo";
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const char * c_lX = "%lX";
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const char * c_lx = "%lx";
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const char * c_hashlo = "%#lo";
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const char * c_hashlX = "%#lX";
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const char * c_hashlx = "%#lx";
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const char * formatString=0;
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if( stream.flags() & ios_base::dec){
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formatString = c_ld;
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}else if( stream.flags() & ios_base::oct){
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if( stream.flags() & ios_base::showbase){
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formatString = c_hashlo;
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}else{
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formatString = c_lo;
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}
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}else if (stream.flags() & ios_base::hex){
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if(stream.flags() & ios_base::showbase){
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if(stream.flags() & ios_base::uppercase){
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formatString = c_hashlX;
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}else{
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formatString = c_hashlx;
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}
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}else{
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if(stream.flags() & ios_base::uppercase){
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formatString = c_lX;
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}else{
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formatString = c_lx;
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}
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}
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}
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stream.printout(buffer, snprintf(buffer, 20, formatString, n) );
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if(stream.flags() & ios_base::unitbuf){
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stream.flush();
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}
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}
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};
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, unsigned long int>{
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public:
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static void printout(basic_ostream<char, traits >& stream, const unsigned long int n)
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{
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char buffer[20];
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const char * c_lo = "%lo";
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const char * c_lu = "%lu";
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const char * c_lX = "%lX";
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const char * c_lx = "%lx";
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const char * c_hashlo = "%#lo";
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const char * c_hashlX = "%#lX";
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const char * c_hashlx = "%#lx";
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const char * formatString=0;
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if( stream.flags() & ios_base::dec){
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formatString = c_lu;
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}else if( stream.flags() & ios_base::oct){
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if( stream.flags() & ios_base::showbase){
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formatString = c_hashlo;
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}else{
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formatString = c_lo;
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}
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}else if (stream.flags() & ios_base::hex){
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if(stream.flags() & ios_base::showbase){
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if(stream.flags() & ios_base::uppercase){
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formatString = c_hashlX;
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}else{
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formatString = c_hashlx;
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}
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}else{
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if(stream.flags() & ios_base::uppercase){
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formatString = c_lX;
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}else{
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formatString = c_lx;
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}
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}
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}
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stream.printout(buffer, snprintf(buffer, 20, formatString, n));
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if(stream.flags() & ios_base::unitbuf){
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stream.flush();
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}
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}
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};
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#ifndef __STRICT_ANSI__
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, signed long long int>{
148
public:
149
static void printout(basic_ostream<char, traits >& stream, const signed long long int n)
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{
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char buffer[28];
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const char * lld = "%lld";
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const char * llo = "%llo";
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const char * llX = "%llX";
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const char * llx = "%llx";
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const char * hashllo = "%#llo";
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const char * hashllX = "%#llX";
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const char * hashllx = "%#llx";
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const char * formatString=0;
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if( stream.flags() & ios_base::dec){
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formatString = lld;
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}else if( stream.flags() & ios_base::oct){
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if( stream.flags() & ios_base::showbase){
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formatString = hashllo;
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}else{
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formatString = llo;
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}
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}else if (stream.flags() & ios_base::hex){
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if(stream.flags() & ios_base::showbase){
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if(stream.flags() & ios_base::uppercase){
172
formatString = hashllX;
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}else{
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formatString = hashllx;
175
}
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}else{
177
if(stream.flags() & ios_base::uppercase){
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formatString = llX;
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}else{
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formatString = llx;
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}
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}
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}
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stream.printout(buffer, snprintf(buffer, 27, formatString, n) );
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if(stream.flags() & ios_base::unitbuf){
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stream.flush();
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}
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}
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};
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, unsigned long long int>{
194
public:
195
static void printout(basic_ostream<char, traits >& stream, const unsigned long long int n)
196
{
197
char buffer[28];
198
const char * llo = "%llo";
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const char * llu = "%llu";
200
const char * llX = "%llX";
201
const char * llx = "%llx";
202
const char * hashllo = "%#llo";
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const char * hashllX = "%#llX";
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const char * hashllx = "%#llx";
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const char * formatString=0;
206
207
if( stream.flags() & ios_base::dec){
208
formatString = llu;
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}else if( stream.flags() & ios_base::oct){
210
if( stream.flags() & ios_base::showbase){
211
formatString = hashllo;
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}else{
213
formatString = llo;
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}
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}else if (stream.flags() & ios_base::hex){
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if(stream.flags() & ios_base::showbase){
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if(stream.flags() & ios_base::uppercase){
218
formatString = hashllX;
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}else{
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formatString = hashllx;
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}
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}else{
223
if(stream.flags() & ios_base::uppercase){
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formatString = llX;
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}else{
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formatString = llx;
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}
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}
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}
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stream.printout(buffer, snprintf(buffer, 27, formatString, n) );
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if(stream.flags() & ios_base::unitbuf){
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stream.flush();
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}
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}
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};
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#endif //__STRICT_ANSI__
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, float>{
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public:
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static void printout(basic_ostream<char, traits >& stream, const float f)
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{
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char buffer[32];
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int length;
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//length = snprintf(buffer, 32, "%*.*f",static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f);
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length = strlen(dtostrf(f, static_cast<int>(stream.width()), static_cast<int>(stream.precision()), buffer));
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stream.printout(buffer, length);
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if(stream.flags() & ios_base::unitbuf){
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stream.flush();
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}
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}
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};
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, double>{
260
public:
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static void printout(basic_ostream<char, traits >& stream, const double f)
262
{
263
char buffer[32];
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int length;
265
if(stream.flags() & ios_base::scientific){
266
if(stream.flags() & ios_base::uppercase){
267
#if defined( __AVR__ )
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length = strlen(dtostre(f, buffer, static_cast<int>(stream.precision()), 0x04 ));
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#else
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length = snprintf(buffer, 32, "%*.*E", static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f);
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#endif
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}else{
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#if defined( __AVR__ )
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length = strlen(dtostre(f, buffer, static_cast<int>(stream.precision()), 0));
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#else
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length = snprintf(buffer, 32, "%*.*e", static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f);
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#endif
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}
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} else if(stream.flags() & ios_base::fixed){
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#if defined( __AVR__ )
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length = strlen(dtostrf(f, static_cast<int>(stream.width()), static_cast<int>(stream.precision()), buffer));
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#else
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length = snprintf(buffer, 32, "%*.*f",static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f);
284
#endif
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} else {
286
#if defined( __AVR__ )
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length = strlen(dtostrf(f, static_cast<int>(stream.width()), static_cast<int>(stream.precision()), buffer));
288
#else
289
length = snprintf(buffer, 32, "%*.*g",static_cast<int>(stream.width()),static_cast<int>(stream.precision()), f);
290
#endif
291
}
292
stream.printout(buffer, length);
293
if(stream.flags() & ios_base::unitbuf){
294
stream.flush();
295
}
296
}
297
};
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template <class traits> class _UCXXEXPORT __ostream_printout<traits, char, long double>{
300
public:
301
static void printout(basic_ostream<char, traits >& stream, const long double f)
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{
303
char buffer[32];
304
int length;
305
if(stream.flags() & ios_base::scientific){
306
if(stream.flags() & ios_base::uppercase){
307
length = snprintf(buffer, 32, "%*.*LE", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f);
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}else{
309
length = snprintf(buffer, 32, "%*.*Le", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f);
310
}
311
} else if(stream.flags() & ios_base::fixed){
312
length = snprintf(buffer, 32, "%*.*Lf", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f);
313
} else {
314
length = snprintf(buffer, 32, "%*.*Lg", static_cast<int>(stream.width()), static_cast<int>(stream.precision()), f);
315
}
316
stream.printout(buffer, length);
317
if(stream.flags() & ios_base::unitbuf){
318
stream.flush();
319
}
320
321
}
322
};
323
324
#ifdef __UCLIBCXX_HAS_WCHAR__
325
template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, signed long int>{
326
public:
327
static void printout(basic_ostream<wchar_t, traits >& stream, const signed long int n)
328
{
329
wchar_t buffer[20];
330
if( stream.flags() & ios_base::dec){
331
stream.printout(buffer, swprintf(buffer, 20, L"%ld", n));
332
}else if( stream.flags() & ios_base::oct){
333
if( stream.flags() & ios_base::showbase){
334
stream.printout(buffer, swprintf(buffer, 20, L"%#lo", n));
335
}else{
336
stream.printout(buffer, swprintf(buffer, 20, L"%lo", n) );
337
}
338
}else if (stream.flags() & ios_base::hex){
339
if(stream.flags() & ios_base::showbase){
340
if(stream.flags() & ios_base::uppercase){
341
stream.printout(buffer, swprintf(buffer, 20, L"%#lX", n) );
342
}else{
343
stream.printout(buffer, swprintf(buffer, 20, L"%#lx", n) );
344
}
345
}else{
346
if(stream.flags() & ios_base::uppercase){
347
stream.printout(buffer, swprintf(buffer, 20, L"%lX", n) );
348
}else{
349
stream.printout(buffer, swprintf(buffer, 20, L"%lx", n) );
350
}
351
}
352
}
353
if(stream.flags() & ios_base::unitbuf){
354
stream.flush();
355
}
356
}
357
};
358
359
template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, unsigned long int>{
360
public:
361
static void printout(basic_ostream<wchar_t, traits >& stream, const unsigned long int n)
362
{
363
wchar_t buffer[20];
364
if( stream.flags() & ios_base::dec){
365
stream.printout(buffer, swprintf(buffer, 20, L"%lu", n));
366
}else if( stream.flags() & ios_base::oct){
367
if( stream.flags() & ios_base::showbase){
368
stream.printout(buffer, swprintf(buffer, 20, L"%#lo", n));
369
}else{
370
stream.printout(buffer, swprintf(buffer, 20, L"%lo", n) );
371
}
372
}else if (stream.flags() & ios_base::hex){
373
if(stream.flags() & ios_base::showbase){
374
if(stream.flags() & ios_base::uppercase){
375
stream.printout(buffer, swprintf(buffer, 20, L"%#lX", n) );
376
}else{
377
stream.printout(buffer, swprintf(buffer, 20, L"%#lx", n) );
378
}
379
}else{
380
if(stream.flags() & ios_base::uppercase){
381
stream.printout(buffer, swprintf(buffer, 20, L"%lX", n) );
382
}else{
383
stream.printout(buffer, swprintf(buffer, 20, L"%lx", n) );
384
}
385
}
386
}
387
if(stream.flags() & ios_base::unitbuf){
388
stream.flush();
389
}
390
}
391
};
392
393
#ifndef __STRICT_ANSI__
394
395
template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, signed long long int>{
396
public:
397
static void printout(basic_ostream<wchar_t, traits >& stream, const signed long long int n)
398
{
399
wchar_t buffer[28];
400
if( stream.flags() & ios_base::dec){
401
stream.printout(buffer, swprintf(buffer, 27, L"%lld", n));
402
}else if( stream.flags() & ios_base::oct){
403
if( stream.flags() & ios_base::showbase){
404
stream.printout(buffer, swprintf(buffer, 27, L"%#llo", n));
405
}else{
406
stream.printout(buffer, swprintf(buffer, 27, L"%llo", n) );
407
}
408
}else if (stream.flags() & ios_base::hex){
409
if(stream.flags() & ios_base::showbase){
410
if(stream.flags() & ios_base::uppercase){
411
stream.printout(buffer, swprintf(buffer, 27, L"%#llX", n) );
412
}else{
413
stream.printout(buffer, swprintf(buffer, 27, L"%#llx", n) );
414
}
415
}else{
416
if(stream.flags() & ios_base::uppercase){
417
stream.printout(buffer, swprintf(buffer, 27, L"%llX", n) );
418
}else{
419
stream.printout(buffer, swprintf(buffer, 27, L"%llx", n) );
420
}
421
}
422
}
423
if(stream.flags() & ios_base::unitbuf){
424
stream.flush();
425
}
426
}
427
};
428
429
template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, unsigned long long int>{
430
public:
431
static void printout(basic_ostream<wchar_t, traits >& stream, const unsigned long long int n)
432
{
433
wchar_t buffer[28];
434
if( stream.flags() & ios_base::dec){
435
stream.printout(buffer, swprintf(buffer, 27, L"%llu", n));
436
}else if( stream.flags() & ios_base::oct){
437
if( stream.flags() & ios_base::showbase){
438
stream.printout(buffer, swprintf(buffer, 27, L"%#llo", n));
439
}else{
440
stream.printout(buffer, swprintf(buffer, 27, L"%llo", n) );
441
}
442
}else if (stream.flags() & ios_base::hex){
443
if(stream.flags() & ios_base::showbase){
444
if(stream.flags() & ios_base::uppercase){
445
stream.printout(buffer, swprintf(buffer, 27, L"%#llX", n) );
446
}else{
447
stream.printout(buffer, swprintf(buffer, 27, L"%#llx", n) );
448
}
449
}else{
450
if(stream.flags() & ios_base::uppercase){
451
stream.printout(buffer, swprintf(buffer, 27, L"%llX", n) );
452
}else{
453
stream.printout(buffer, swprintf(buffer, 27, L"%llx", n) );
454
}
455
}
456
}
457
if(stream.flags() & ios_base::unitbuf){
458
stream.flush();
459
}
460
}
461
};
462
463
464
#endif //__STRICT_ANSI__
465
466
template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, double>{
467
public:
468
static void printout(basic_ostream<wchar_t, traits >& stream, const double f)
469
{
470
wchar_t buffer[32];
471
wchar_t format_string[32];
472
if(stream.flags() & ios_base::scientific){
473
if(stream.flags() & ios_base::uppercase){
474
swprintf(format_string, 32, L"%%%u.%uE", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision()));
475
}else{
476
swprintf(format_string, 32, L"%%%u.%ue", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision()));
477
}
478
} else if(stream.flags() & ios_base::fixed){
479
swprintf(format_string, 32, L"%%%u.%uf", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision()));
480
} else {
481
swprintf(format_string, 32, L"%%%u.%ug", static_cast<int>(stream.width()), static_cast<unsigned int>(stream.precision()));
482
}
483
stream.printout(buffer, swprintf(buffer, 32, format_string, f) );
484
if(stream.flags() & ios_base::unitbuf){
485
stream.flush();
486
}
487
}
488
};
489
490
template <class traits> class _UCXXEXPORT __ostream_printout<traits, wchar_t, long double>{
491
public:
492
static void printout(basic_ostream<wchar_t, traits >& stream, const long double f)
493
{
494
wchar_t buffer[32];
495
wchar_t format_string[32];
496
if(stream.flags() & ios_base::scientific){
497
if(stream.flags() & ios_base::uppercase){
498
swprintf(format_string, 32, L"%%%u.%uLE", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision()));
499
}else{
500
swprintf(format_string, 32, L"%%%u.%uLe", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision()));
501
}
502
} else if(stream.flags() & ios_base::fixed){
503
swprintf(format_string, 32, L"%%%u.%uLf", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision()));
504
} else {
505
swprintf(format_string, 32, L"%%%u.%uLg", static_cast<unsigned int>(stream.width()), static_cast<unsigned int>(stream.precision()));
506
}
507
stream.printout(buffer, swprintf(buffer, 32, format_string, f) );
508
if(stream.flags() & ios_base::unitbuf){
509
stream.flush();
510
}
511
}
512
};
513
514
#endif //__UCLIBCXX_HAS_WCHAR__
515
516
}
517
518
#pragma GCC visibility pop
519
520
#endif
521
522
523
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