/*
* © Portions copyright (c) 2006-2007 Nokia Corporation. All rights reserved.
*
* Copyright (c) 1999
* Silicon Graphics Computer Systems, Inc.
*
* Copyright (c) 1999
* Boris Fomitchev
*
* This material is provided "as is", with absolutely no warranty expressed
* or implied. Any use is at your own risk.
*
* Permission to use or copy this software for any purpose is hereby granted
* without fee, provided the above notices are retained on all copies.
* Permission to modify the code and to distribute modified code is granted,
* provided the above notices are retained, and a notice that the code was
* modified is included with the above copyright notice.
*
*/
#ifndef _STLP_OSTREAM_C
#define _STLP_OSTREAM_C
#ifndef _STLP_INTERNAL_OSTREAM_H
# include <stl/_ostream.h>
#endif
#if defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION)
#if !defined (_STLP_INTERNAL_NUM_PUT_H)
# include <stl/_num_put.h> // For basic_streambuf and iterators
#endif
_STLP_BEGIN_NAMESPACE
// Helper functions for istream<>::sentry constructor.
template <class _CharT, class _Traits>
bool
_M_init(basic_ostream<_CharT, _Traits>& __str) {
if (__str.good()) {
// boris : check if this is needed !
if (!__str.rdbuf())
__str.setstate(ios_base::badbit);
if (__str.tie())
__str.tie()->flush();
return __str.good();
} else
return false;
}
//----------------------------------------------------------------------
// Definitions of non-inline member functions.
// Constructor, destructor
template <class _CharT, class _Traits>
_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>
::basic_ostream(basic_streambuf<_CharT, _Traits>* __buf)
: basic_ios<_CharT, _Traits>()
{
this->init(__buf);
}
template <class _CharT, class _Traits>
_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>::~basic_ostream()
{}
// Output directly from a streambuf.
template <class _CharT, class _Traits>
_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
basic_ostream<_CharT, _Traits>::operator<<(basic_streambuf<_CharT, _Traits>* __from)
{
sentry __sentry(*this);
if (__sentry) {
if (__from) {
bool __any_inserted = __from->gptr() != __from->egptr()
? this->_M_copy_buffered(__from, this->rdbuf())
: this->_M_copy_unbuffered(__from, this->rdbuf());
if (!__any_inserted)
this->setstate(ios_base::failbit);
}
else
this->setstate(ios_base::badbit);
}
return *this;
}
// Helper functions for the streambuf version of operator<<. The
// exception-handling code is complicated because exceptions thrown
// while extracting characters are treated differently than exceptions
// thrown while inserting characters.
template <class _CharT, class _Traits>
bool basic_ostream<_CharT, _Traits>
::_M_copy_buffered(basic_streambuf<_CharT, _Traits>* __from,
basic_streambuf<_CharT, _Traits>* __to)
{
bool __any_inserted = false;
while (__from->egptr() != __from->gptr()) {
const ptrdiff_t __avail = __from->egptr() - __from->gptr();
streamsize __nwritten;
_STLP_TRY {
__nwritten = __to->sputn(__from->gptr(), __avail);
__from->gbump((int)__nwritten);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
return __any_inserted;
}
if (__nwritten == __avail) {
_STLP_TRY {
if (this->_S_eof(__from->sgetc()))
return true;
else
__any_inserted = true;
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::failbit);
return false;
}
}
else if (__nwritten != 0)
return true;
else
return __any_inserted;
}
// No characters are in the buffer, but we aren't at EOF. Switch to
// unbuffered mode.
return __any_inserted || this->_M_copy_unbuffered(__from, __to);
}
template <class _CharT, class _Traits>
bool basic_ostream<_CharT, _Traits>
::_M_copy_unbuffered(basic_streambuf<_CharT, _Traits>* __from,
basic_streambuf<_CharT, _Traits>* __to)
{
bool __any_inserted = false;
#ifdef __SYMBIAN32__
int_type __c;
_STLP_TRY {
__c = __from->sgetc();;
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::failbit);
return __any_inserted;
}
for(;;){
if (this->_S_eof(__c))
return __any_inserted;
else {
int_type __tmp;
_STLP_TRY {
__tmp = __to->sputc(__c);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
return __any_inserted;
}
if (this->_S_eof(__tmp)) {
break;
}
else
__any_inserted = true;
}
_STLP_TRY {
__c = __from->snextc();
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::failbit);
return __any_inserted;
}
}
#else
while (true) {
int_type __c;
_STLP_TRY {
__c = __from->sbumpc();
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::failbit);
return __any_inserted;
}
if (this->_S_eof(__c))
return __any_inserted;
else {
int_type __tmp;
_STLP_TRY {
__tmp = __to->sputc(__c);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
return __any_inserted;
}
if (this->_S_eof(__tmp)) {
_STLP_TRY {
/* __tmp = */ __from->sputbackc(__c);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
return __any_inserted;
}
}
else
__any_inserted = true;
}
}
#endif
return __any_inserted;
}
// Helper function for numeric output.
template <class _CharT, class _Traits, class _Number>
basic_ostream<_CharT, _Traits>&
_M_put_num(basic_ostream<_CharT, _Traits>& __os, _Number __x)
{
typedef typename basic_ostream<_CharT, _Traits>::sentry _Sentry;
_Sentry __sentry(__os);
bool __failed = true;
if (__sentry) {
_STLP_TRY {
typedef num_put<_CharT, ostreambuf_iterator<_CharT, _Traits> > _NumPut;
__failed = (use_facet<_NumPut>(__os.getloc())).put(
ostreambuf_iterator<_CharT, _Traits>(__os.rdbuf()),
__os, __os.fill(),
__x).failed();
}
_STLP_CATCH_ALL {
__os._M_handle_exception(ios_base::badbit);
}
}
if (__failed)
__os.setstate(ios_base::badbit);
return __os;
}
# if defined (_STLP_USE_TEMPLATE_EXPORT) && defined (__BUILDING_STLPORT)
_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
_M_put_num(basic_ostream<char, char_traits<char> >&, unsigned long);
_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
_M_put_num(basic_ostream<char, char_traits<char> >&, long);
# if defined (_STLP_LONG_LONG)
_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
_M_put_num(basic_ostream<char, char_traits<char> >&, unsigned _STLP_LONG_LONG);
_STLP_EXPORT_TEMPLATE _STLP_EXP_DECLSPEC basic_ostream<char, char_traits<char> >& _STLP_CALL
_M_put_num(basic_ostream<char, char_traits<char> >&, _STLP_LONG_LONG );
# endif
# endif
template <class _CharT, class _Traits>
void basic_ostream<_CharT, _Traits>::_M_put_char(_CharT __c)
{
sentry __sentry(*this);
if (__sentry) {
bool __failed = true;
_STLP_TRY {
streamsize __npad = this->width() > 0 ? this->width() - 1 : 0;
// if (__npad <= 1)
if (__npad == 0)
__failed = this->_S_eof(this->rdbuf()->sputc(__c));
else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
__failed = this->_S_eof(this->rdbuf()->sputc(__c));
__failed = __failed ||
this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
}
else {
__failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
__failed = __failed || this->_S_eof(this->rdbuf()->sputc(__c));
}
this->width(0);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
}
if (__failed)
this->setstate(ios_base::badbit);
}
}
template <class _CharT, class _Traits>
void basic_ostream<_CharT, _Traits>::_M_put_nowiden(const _CharT* __s)
{
sentry __sentry(*this);
if (__sentry) {
bool __failed = true;
streamsize __n = _Traits::length(__s);
streamsize __npad = this->width() > __n ? this->width() - __n : 0;
_STLP_TRY {
if (__npad == 0)
__failed = this->rdbuf()->sputn(__s, __n) != __n;
else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
__failed = this->rdbuf()->sputn(__s, __n) != __n;
__failed = __failed ||
this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
}
else {
__failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
__failed = __failed || this->rdbuf()->sputn(__s, __n) != __n;
}
this->width(0);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
}
if (__failed)
this->setstate(ios_base::failbit);
}
}
template <class _CharT, class _Traits>
void basic_ostream<_CharT, _Traits>::_M_put_widen(const char* __s)
{
sentry __sentry(*this);
if (__sentry) {
bool __failed = true;
streamsize __n = char_traits<char>::length(__s);
streamsize __npad = this->width() > __n ? this->width() - __n : 0;
_STLP_TRY {
if (__npad == 0)
__failed = !this->_M_put_widen_aux(__s, __n);
else if ((this->flags() & ios_base::adjustfield) == ios_base::left) {
__failed = !this->_M_put_widen_aux(__s, __n);
__failed = __failed ||
this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
}
else {
__failed = this->rdbuf()->_M_sputnc(this->fill(), __npad) != __npad;
__failed = __failed || !this->_M_put_widen_aux(__s, __n);
}
this->width(0);
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
}
if (__failed)
this->setstate(ios_base::failbit);
}
}
template <class _CharT, class _Traits>
bool basic_ostream<_CharT, _Traits>::_M_put_widen_aux(const char* __s,
streamsize __n)
{
basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
for ( ; __n > 0 ; --__n)
if (this->_S_eof(__buf->sputc(this->widen(*__s++))))
return false;
return true;
}
// Unformatted output of a single character.
template <class _CharT, class _Traits>
_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
basic_ostream<_CharT, _Traits>::put(char_type __c)
{
sentry __sentry(*this);
bool __failed = true;
if (__sentry) {
_STLP_TRY {
__failed = this->_S_eof(this->rdbuf()->sputc(__c));
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
}
}
if (__failed)
this->setstate(ios_base::badbit);
return *this;
}
// Unformatted output of a single character.
template <class _CharT, class _Traits>
_STLP_EXP_DECLSPEC basic_ostream<_CharT, _Traits>&
basic_ostream<_CharT, _Traits>::write(const char_type* __s, streamsize __n)
{
sentry __sentry(*this);
bool __failed = true;
if (__sentry) {
_STLP_TRY {
__failed = this->rdbuf()->sputn(__s, __n) != __n;
}
_STLP_CATCH_ALL {
this->_M_handle_exception(ios_base::badbit);
}
}
if (__failed)
this->setstate(ios_base::badbit);
return *this;
}
_STLP_END_NAMESPACE
#endif /* defined (_STLP_EXPOSE_STREAM_IMPLEMENTATION) */
#endif /* _STLP_OSTREAM_C */