--- /dev/null
+/*
+ * 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_ISTREAM_C
+#define _STLP_ISTREAM_C
+
+#ifndef _STLP_INTERNAL_ISTREAM
+# include <stl/_istream.h>
+#endif
+
+#ifndef _STLP_INTERNAL_LIMITS
+# include <stl/_limits.h>
+#endif
+
+#ifndef _STLP_INTERNAL_NUM_GET_H
+# include <stl/_num_get.h>
+#endif
+
+#if defined ( _STLP_NESTED_TYPE_PARAM_BUG )
+// no wchar_t is supported for this mode
+# define __BIS_int_type__ int
+# define __BIS_pos_type__ streampos
+# define __BIS_off_type__ streamoff
+#else
+# define __BIS_int_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_istream<_CharT, _Traits>::int_type
+# define __BIS_pos_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_istream<_CharT, _Traits>::pos_type
+# define __BIS_off_type__ _STLP_TYPENAME_ON_RETURN_TYPE basic_istream<_CharT, _Traits>::off_type
+#endif
+
+_STLP_BEGIN_NAMESPACE
+
+//----------------------------------------------------------------------
+// Function object structs used by some member functions.
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template <class _Traits>
+struct _Is_not_wspace {
+ typedef typename _Traits::char_type argument_type;
+ typedef bool result_type;
+
+ const ctype<argument_type>* _M_ctype;
+
+ _Is_not_wspace(const ctype<argument_type>* __c_type) : _M_ctype(__c_type) {}
+ bool operator()(argument_type __c) const
+ { return !_M_ctype->is(ctype_base::space, __c); }
+};
+
+template <class _Traits>
+struct _Is_wspace_null {
+ typedef typename _Traits::char_type argument_type;
+ typedef bool result_type;
+
+ const ctype<argument_type>* _M_ctype;
+
+ _Is_wspace_null(const ctype<argument_type>* __c_type) : _M_ctype(__c_type) {}
+ bool operator()(argument_type __c) const {
+ return _Traits::eq(__c, argument_type()) ||
+ _M_ctype->is(ctype_base::space, __c);
+ }
+};
+
+template <class _Traits>
+struct _Scan_for_wspace {
+ typedef typename _Traits::char_type char_type;
+ typedef char_type* first_argument_type;
+ typedef char_type* second_argument_type;
+ typedef char_type* result_type;
+
+ const ctype<char_type>* _M_ctype;
+
+ _Scan_for_wspace(const ctype<char_type>* __ctype) : _M_ctype(__ctype) {}
+ const char_type*
+ operator()(const char_type* __first, const char_type* __last) const {
+ return _M_ctype->scan_is(ctype_base::space, __first, __last);
+ }
+};
+
+template <class _Traits>
+struct _Scan_wspace_null {
+ typedef typename _Traits::char_type char_type;
+ typedef char_type* first_argument_type;
+ typedef char_type* second_argument_type;
+ typedef char_type* result_type;
+
+ const ctype<char_type>* _M_ctype;
+
+ _Scan_wspace_null(const ctype<char_type>* __c_type) : _M_ctype(__c_type) {}
+ const char_type*
+ operator()(const char_type* __first, const char_type* __last) const {
+ __last = find_if(__first, __last,
+ _Eq_char_bound<_Traits>(char_type()));
+ return _M_ctype->scan_is(ctype_base::space, __first, __last);
+ }
+};
+
+template <class _Traits>
+struct _Scan_for_not_wspace {
+ typedef typename _Traits::char_type char_type;
+ typedef char_type* first_argument_type;
+ typedef char_type* second_argument_type;
+ typedef char_type* result_type;
+
+ const ctype<char_type>* _M_ctype;
+
+ _Scan_for_not_wspace(const ctype<char_type>* __c_type) : _M_ctype(__c_type) {}
+ const char_type*
+ operator()(const char_type* __first, const char_type* __last) const {
+ return _M_ctype->scan_not(ctype_base::space, __first, __last);
+ }
+};
+
+template <class _Traits>
+struct _Scan_for_char_val {
+ typedef typename _Traits::char_type char_type;
+ typedef char_type* first_argument_type;
+ typedef char_type* second_argument_type;
+ typedef char_type* result_type;
+
+ char_type _M_val;
+
+ _Scan_for_char_val(char_type __val) : _M_val(__val) {}
+
+ const char_type*
+ operator()(const char_type* __first, const char_type* __last) const {
+ return find_if(__first, __last, _Eq_char_bound<_Traits>(_M_val));
+ }
+};
+
+template <class _Traits>
+struct _Scan_for_int_val {
+ typedef typename _Traits::char_type char_type;
+ typedef typename _Traits::int_type int_type;
+ typedef char_type* first_argument_type;
+ typedef char_type* second_argument_type;
+ typedef char_type* result_type;
+
+ int_type _M_val;
+
+ _Scan_for_int_val(int_type __val) : _M_val(__val) {}
+
+ const char_type*
+ operator()(const char_type* __first, const char_type* __last) const {
+ return find_if(__first, __last,
+ _Eq_int_bound<_Traits>(_M_val));
+ }
+};
+
+// Helper function: try to push back a character to a streambuf,
+// return true if the pushback succeeded. Does not throw.
+
+template <class _CharT, class _Traits>
+bool _STLP_CALL
+__pushback(basic_streambuf<_CharT, _Traits>* __buf, _CharT __c) {
+ bool ret;
+ _STLP_TRY {
+ const typename _Traits::int_type __eof = _Traits::eof();
+ ret = !_Traits::eq_int_type(__buf->sputbackc(__c), __eof);
+ }
+ _STLP_CATCH_ALL {
+ ret = false;
+ }
+ return ret;
+}
+
+//----------------------------------------------------------------------
+// Definitions of basic_istream<>'s noninline member functions.
+
+// Helper function for formatted input of numbers.
+template <class _CharT, class _Traits, class _Number>
+ios_base::iostate _STLP_CALL
+__get_num(basic_istream<_CharT, _Traits>& __that, _Number& __val) {
+ typedef typename basic_istream<_CharT, _Traits>::sentry _Sentry;
+ ios_base::iostate __err = 0;
+ _Sentry __sentry( __that ); // Skip whitespace.
+ if (__sentry) {
+ typedef num_get<_CharT, istreambuf_iterator<_CharT, _Traits> > _Num_get;
+ _STLP_TRY {
+ ((const _Num_get&)use_facet<_Num_get>(__that.getloc())).get(istreambuf_iterator<_CharT, _Traits>(__that.rdbuf()),
+ 0, __that, __err, __val);
+ }
+ _STLP_CATCH_ALL {
+ __that._M_handle_exception(ios_base::badbit);
+ }
+ if (__err) __that.setstate(__err);
+ }
+ return __err;
+}
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (short& __val) {
+ long __lval;
+ _STLP_PRIV __get_num(*this, __lval);
+ if ( this->fail() ) {
+ return *this;
+ }
+ short __tmp = __STATIC_CAST(short, __lval);
+ unsigned short __uval = __STATIC_CAST(unsigned short, __lval);
+ // check if we lose digits
+ // if ((__val != __lval) && ((unsigned short)__val != __lval))
+ if ((__tmp != __lval) && ((long)__uval != __lval))
+ this->setstate(ios_base::failbit);
+ else
+ __val = __tmp;
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (int& __val) {
+ long __lval;
+ _STLP_PRIV __get_num(*this, __lval);
+ if ( this->fail() ) {
+ return *this;
+ }
+ int __tmp = __lval;
+ unsigned int __uval = __lval;
+ // check if we lose digits
+ // if ((__val != __lval) && ((unsigned int)__val != __lval))
+ if ((__tmp != __lval) && ((long)__uval != __lval))
+ this->setstate(ios_base::failbit);
+ else
+ __val = __tmp;
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (unsigned short& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (unsigned int& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (long& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (unsigned long& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+
+#if defined (_STLP_LONG_LONG)
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (_STLP_LONG_LONG& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (unsigned _STLP_LONG_LONG& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+#endif
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (float& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (double& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+#if !defined (_STLP_NO_LONG_DOUBLE)
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (long double& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+#endif
+#if !defined (_STLP_NO_BOOL)
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (bool& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+#endif
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::operator>> (void*& __val) {
+ _STLP_PRIV __get_num(*this, __val);
+ return *this;
+}
+
+// Unformatted input
+
+template <class _CharT, class _Traits>
+__BIS_int_type__
+basic_istream<_CharT, _Traits>::peek() {
+ typename _Traits::int_type __tmp = _Traits::eof();
+
+ this->_M_gcount = 0;
+ sentry __sentry(*this, _No_Skip_WS());
+
+ if (__sentry) {
+ _STLP_TRY {
+ __tmp = this->rdbuf()->sgetc();
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ }
+ if (this->_S_eof(__tmp))
+ this->setstate(ios_base::eofbit);
+ }
+
+ return __tmp;
+}
+
+
+template <class _CharT, class _Traits>
+__BIS_int_type__
+basic_istream<_CharT, _Traits>::get() {
+ typename _Traits::int_type __tmp = _Traits::eof();
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ _STLP_TRY {
+ __tmp = this->rdbuf()->sbumpc();
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ }
+
+ if (!this->_S_eof(__tmp))
+ this->_M_gcount = 1;
+ }
+
+ if (_M_gcount == 0)
+ this->setstate(ios_base::eofbit | ios_base::failbit);
+
+ return __tmp;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::get(_CharT& __c) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ typename _Traits::int_type __tmp = _Traits::eof();
+ _STLP_TRY {
+ __tmp = this->rdbuf()->sbumpc();
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ }
+
+ if (!this->_S_eof(__tmp)) {
+ this->_M_gcount = 1;
+ __c = _Traits::to_char_type(__tmp);
+ }
+ }
+
+ if (this->_M_gcount == 0)
+ this->setstate(ios_base::eofbit | ios_base::failbit);
+
+ return *this;
+}
+
+
+// Read characters and discard them. The standard specifies a single
+// function with two arguments, each with a default. We instead use
+// three overloded functions, because it's possible to implement the
+// first two more efficiently than the fully general third version.
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::ignore() {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ int_type __c;
+ _STLP_TRY {
+ __c = this->rdbuf()->sbumpc();
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ return *this;
+ }
+
+ if (!this->_S_eof(__c))
+ this->_M_gcount = 1;
+ else
+ this->setstate(ios_base::eofbit);
+ }
+
+ return *this;
+}
+
+// Putback
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::putback(_CharT __c) {
+ this->_M_gcount = 0;
+ sentry __sentry(*this, _No_Skip_WS());
+
+ if (__sentry) {
+ typename _Traits::int_type __tmp = _Traits::eof();
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+// if (!__buf || this->_S_eof(__buf->sputbackc(__c)))
+ if (__buf) {
+ _STLP_TRY {
+ __tmp = __buf->sputbackc(__c);
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ }
+ }
+ if (this->_S_eof(__tmp))
+ this->setstate(ios_base::badbit);
+ }
+ else
+ this->setstate(ios_base::failbit);
+
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>& basic_istream<_CharT, _Traits>::unget() {
+ this->_M_gcount = 0;
+
+ sentry __sentry(*this, _No_Skip_WS());
+
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ // if (!__buf || _Traits::eq_int_type(__buf->sungetc(), _Traits::eof()))
+ if (__buf) {
+ _STLP_TRY {
+ if (this->_S_eof(__buf->sungetc()))
+ this->setstate(ios_base::badbit);
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ }
+ } else
+ this->setstate(ios_base::badbit);
+ }
+ else
+ this->setstate(ios_base::failbit);
+
+ return *this;
+}
+
+// Positioning and buffer control.
+
+template <class _CharT, class _Traits>
+int basic_istream<_CharT, _Traits>::sync() {
+ sentry __sentry(*this, _No_Skip_WS());
+
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ if (__buf) {
+ if (__buf->pubsync() == -1) {
+ this->setstate(ios_base::badbit);
+ return -1;
+ }
+ else
+ return 0;
+ }
+ else
+ return -1;
+}
+
+template <class _CharT, class _Traits>
+__BIS_pos_type__
+basic_istream<_CharT, _Traits>::tellg() {
+ sentry __sentry(*this, _No_Skip_WS());
+
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ return (__buf && !this->fail()) ? __buf->pubseekoff(0, ios_base::cur, ios_base::in)
+ : pos_type(-1);
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::seekg(pos_type __pos) {
+ sentry __sentry(*this, _No_Skip_WS());
+
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ if (!this->fail() && __buf) {
+ if (__buf->pubseekpos(__pos) == pos_type(-1)) {
+ this->setstate(ios_base::failbit);
+ }
+ }
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::seekg(off_type __off, ios_base::seekdir __dir) {
+ sentry __sentry(*this, _No_Skip_WS());
+
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ if (!this->fail() && __buf)
+ __buf->pubseekoff(__off, __dir);
+ return *this;
+}
+
+// Formatted input of characters and character arrays.
+
+template <class _CharT, class _Traits>
+void basic_istream<_CharT, _Traits>::_M_formatted_get(_CharT& __c) {
+// typename _Traits::int_type __tmp = _Traits::eof();
+
+ sentry __sentry(*this); // Skip whitespace.
+
+ if (__sentry) {
+ typename _Traits::int_type __tmp;// = _Traits::eof();
+
+ _STLP_TRY {
+ __tmp = this->rdbuf()->sbumpc();
+ }
+ _STLP_CATCH_ALL {
+ this->_M_handle_exception(ios_base::badbit);
+ return;
+ }
+
+ if (!this->_S_eof(__tmp))
+ __c = _Traits::to_char_type(__tmp);
+ else
+ this->setstate(ios_base::eofbit | ios_base::failbit);
+ }
+}
+
+
+//---------------------------------------------------------------------------
+// istream's helper functions.
+
+// A generic function for unbuffered input. We stop when we reach EOF,
+// or when we have extracted _Num characters, or when the function object
+// __is_delim return true. In the last case, it extracts the character
+// for which __is_delim is true, if and only if __extract_delim is true.
+// It appends a null character to the end of the string; this means that
+// it may store up to _Num + 1 characters.
+//
+// __is_getline governs two corner cases: reading _Num characters without
+// encountering delim or eof (in which case failbit is set if __is_getline
+// is true); and reading _Num characters where the _Num+1'st character is
+// eof (in which case eofbit is set if __is_getline is true).
+//
+// It is assumed that __is_delim never throws.
+//
+// Return value is the number of characters extracted, including the
+// delimiter if it is extracted. Note that the number of characaters
+// extracted isn't necessarily the same as the number stored.
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template < class _CharT, class _Traits, class _Is_Delim>
+streamsize _STLP_CALL
+__read_unbuffered(basic_istream<_CharT, _Traits>* __that, basic_streambuf<_CharT, _Traits>* __buf,
+ streamsize _Num, _CharT* __s,
+ _Is_Delim __is_delim,
+ bool __extract_delim, bool __append_null,
+ bool __is_getline) {
+ streamsize __n = 0;
+ ios_base::iostate __status = 0;
+
+ typedef typename basic_istream<_CharT, _Traits>::int_type int_type;
+ // The operations that can potentially throw are sbumpc, snextc, and sgetc.
+ _STLP_TRY {
+ for (;;) {
+ int_type __c = __buf->sbumpc(); // sschwarz
+
+ if (__that->_S_eof(__c)) {
+ if (__n < _Num || __is_getline)
+ __status |= ios_base::eofbit;
+ break;
+ }
+ else if (__is_delim(_Traits::to_char_type(__c))) {
+ if (__extract_delim) { // Extract and discard current character.
+ ++__n;
+ } else if ( !__pushback(__buf, _Traits::to_char_type(__c)) ) { // leave delimiter
+ __status |= ios_base::failbit;
+ }
+ break;
+ }
+ else { // regular character
+ *__s++ = _Traits::to_char_type(__c);
+ ++__n;
+ }
+
+ if (__n == _Num) {
+ if (__is_getline) // didn't find delimiter as one of the _Num chars
+ __status |= ios_base::failbit;
+ break;
+ }
+ }
+ }
+ _STLP_CATCH_ALL {
+ __that->_M_handle_exception(ios_base::badbit);
+ *__s = _STLP_DEFAULT_CONSTRUCTED(_CharT);
+ return __n;
+ }
+
+ if (__append_null)
+ *__s = _STLP_DEFAULT_CONSTRUCTED(_CharT);
+ if (__status)
+ __that->setstate(__status); // This might throw.
+ return __n;
+}
+
+// Much like __read_unbuffered, but with one additional function object:
+// __scan_delim(first, last) returns the first pointer p in [first, last)
+// such that __is_delim(p) is true.
+
+template < class _CharT, class _Traits, class _Is_Delim, class _Scan_Delim>
+streamsize _STLP_CALL
+__read_buffered(basic_istream<_CharT, _Traits>* __that, basic_streambuf<_CharT, _Traits>* __buf,
+ streamsize _Num, _CharT* __s,
+ _Is_Delim __is_delim, _Scan_Delim __scan_delim,
+ bool __extract_delim, bool __append_null,
+ bool __is_getline) {
+ streamsize __n = 0;
+ ios_base::iostate __status = 0;
+ bool __done = false;
+
+ _STLP_TRY {
+ while (__buf->_M_egptr() != __buf->_M_gptr() && !__done) {
+ const _CharT* __first = __buf->_M_gptr();
+ const _CharT* __last = __buf->_M_egptr();
+ //casting numeric_limits<ptrdiff_t>::max to streamsize only works is ptrdiff_t is signed or streamsize representation
+ //is larger than ptrdiff_t one.
+ _STLP_STATIC_ASSERT((sizeof(streamsize) > sizeof(ptrdiff_t)) ||
+ (sizeof(streamsize) == sizeof(ptrdiff_t)) && numeric_limits<ptrdiff_t>::is_signed)
+ ptrdiff_t __request = __STATIC_CAST(ptrdiff_t, (min) (__STATIC_CAST(streamsize, (numeric_limits<ptrdiff_t>::max)()), _Num - __n));
+
+ const _CharT* __p = __scan_delim(__first, __last);
+ ptrdiff_t __chunk = (min) (ptrdiff_t(__p - __first), __request);
+ _Traits::copy(__s, __first, __chunk);
+ __s += __chunk;
+ __n += __chunk;
+ __buf->_M_gbump((int)__chunk);
+
+ // We terminated by finding delim.
+ if (__p != __last && __p - __first <= __request) {
+ if (__extract_delim) {
+ __n += 1;
+ __buf->_M_gbump(1);
+ }
+ __done = true;
+ }
+
+ // We terminated by reading all the characters we were asked for.
+ else if (__n == _Num) {
+
+ // Find out if we have reached eof. This matters for getline.
+ if (__is_getline) {
+ if (__chunk == __last - __first) {
+ if (__that->_S_eof(__buf->sgetc()))
+ __status |= ios_base::eofbit;
+ }
+ else
+ __status |= ios_base::failbit;
+ }
+ __done = true;
+ }
+
+ // The buffer contained fewer than _Num - __n characters. Either we're
+ // at eof, or we should refill the buffer and try again.
+ else {
+ if (__that->_S_eof(__buf->sgetc())) {
+ __status |= ios_base::eofbit;
+ __done = true;
+ }
+ }
+ } // Close the while loop.
+ }
+ _STLP_CATCH_ALL {
+ __that->_M_handle_exception(ios_base::badbit);
+ __done = true;
+ }
+
+ if (__done) {
+ if (__append_null)
+ *__s = _STLP_DEFAULT_CONSTRUCTED(_CharT);
+ if (__status != 0)
+ __that->setstate(__status); // This might throw.
+ return __n;
+ }
+
+ // If execution has reached this point, then we have an empty buffer but
+ // we have not reached eof. What that means is that the streambuf has
+ // decided to switch from buffered to unbuffered input. We switch to
+ // to __read_unbuffered.
+
+ return __n + __read_unbuffered(__that, __buf, _Num - __n, __s, __is_delim,
+ __extract_delim,__append_null,__is_getline);
+}
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::get(_CharT* __s, streamsize __n,
+ _CharT __delim) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ if (__n > 0) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+
+ if (__buf->egptr() != __buf->gptr())
+ this->_M_gcount =
+ _STLP_PRIV __read_buffered(this, __buf, __n - 1, __s,
+ _STLP_PRIV _Eq_char_bound<_Traits>(__delim),
+ _STLP_PRIV _Scan_for_char_val<_Traits>(__delim),
+ false, true, false);
+ else
+ this->_M_gcount =
+ _STLP_PRIV __read_unbuffered(this, __buf, __n - 1, __s,
+ _STLP_PRIV _Eq_char_bound<_Traits>(__delim),
+ false, true, false);
+ }
+ }
+
+ if (this->_M_gcount == 0)
+ this->setstate(ios_base::failbit);
+
+ return *this;
+}
+
+// Getline is essentially identical to get, except that it extracts
+// the delimiter.
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::getline(_CharT* __s, streamsize __n,
+ _CharT __delim) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ if (__n > 0) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ this->_M_gcount = __buf->egptr() != __buf->gptr()
+ ? _STLP_PRIV __read_buffered(this, __buf, __n - 1, __s,
+ _STLP_PRIV _Eq_char_bound<_Traits>(__delim),
+ _STLP_PRIV _Scan_for_char_val<_Traits>(__delim),
+ true, true, true)
+ : _STLP_PRIV __read_unbuffered(this, __buf, __n - 1, __s,
+ _STLP_PRIV _Eq_char_bound<_Traits>(__delim),
+ true, true, true);
+ }
+ }
+
+ if (this->_M_gcount == 0)
+ this->setstate(ios_base::failbit);
+
+ return *this;
+}
+
+// Read n characters. We don't look for any delimiter, and we don't
+// put in a terminating null character.
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::read(char_type* __s, streamsize __n) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry && !this->eof()) {
+ basic_streambuf<_CharT, _Traits>*__buf = this->rdbuf();
+ if (__buf->gptr() != __buf->egptr())
+ _M_gcount
+ = _STLP_PRIV __read_buffered(this, __buf, __n, __s,
+ _STLP_PRIV _Constant_unary_fun<bool, int_type>(false),
+ _STLP_PRIV _Project2nd<const _CharT*, const _CharT*>(),
+ false, false, false);
+ else
+ _M_gcount
+ = _STLP_PRIV __read_unbuffered(this, __buf, __n, __s,
+ _STLP_PRIV _Constant_unary_fun<bool, int_type>(false),
+ false, false, false);
+ }
+ else
+ this->setstate(ios_base::failbit);
+
+ if (this->eof())
+ this->setstate(ios_base::eofbit | ios_base::failbit);
+
+ return *this;
+}
+
+
+// Read n or fewer characters. We don't look for any delimiter, and
+// we don't put in a terminating null character.
+template <class _CharT, class _Traits>
+streamsize
+basic_istream<_CharT, _Traits>::readsome(char_type* __s, streamsize __nmax) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry && !this->eof() && __nmax >= 0) {
+
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ streamsize __avail = __buf->in_avail();
+
+ // fbp : isn't full-blown setstate required here ?
+ if (__avail == -1)
+ this->_M_setstate_nothrow(ios_base::eofbit);
+
+ else if (__avail != 0) {
+
+ if (__buf->gptr() != __buf->egptr())
+ _M_gcount
+ = _STLP_PRIV __read_buffered(this, __buf, (min) (__avail, __nmax), __s,
+ _STLP_PRIV _Constant_unary_fun<bool, int_type>(false),
+ _STLP_PRIV _Project2nd<const _CharT*, const _CharT*>(),
+ false, false, false);
+ else
+ _M_gcount
+ = _STLP_PRIV __read_unbuffered(this, __buf, (min) (__avail, __nmax), __s,
+ _STLP_PRIV _Constant_unary_fun<bool, int_type>(false),
+ false, false, false);
+ }
+ }
+ else {
+ // fbp : changed so that failbit is set only there, to pass Dietmar's test
+ if (this->eof())
+ this->setstate(ios_base::eofbit | ios_base::failbit);
+ else
+ this->setstate(ios_base::failbit);
+ }
+
+ // if (this->eof())
+ // this->setstate(ios_base::eofbit | ios_base::failbit);
+
+ return _M_gcount;
+}
+
+template <class _CharT, class _Traits>
+void basic_istream<_CharT, _Traits>::_M_formatted_get(_CharT* __s) {
+ sentry __sentry(*this); // Skip whitespace.
+
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ streamsize __nmax = this->width() > 0
+ ? this->width() - 1
+ : ((numeric_limits<streamsize>::max)() / sizeof(_CharT)) - 1;
+
+ streamsize __n = __buf->gptr() != __buf->egptr()
+ ? _STLP_PRIV __read_buffered(this, __buf, __nmax, __s,
+ _STLP_PRIV _Is_wspace_null<_Traits>(__STATIC_CAST(const ctype<_CharT>*, this->_M_ctype_facet())),
+ _STLP_PRIV _Scan_wspace_null<_Traits>(__STATIC_CAST(const ctype<_CharT>*, this->_M_ctype_facet())),
+ false, true, false)
+ : _STLP_PRIV __read_unbuffered(this, __buf, __nmax, __s,
+ _STLP_PRIV _Is_wspace_null<_Traits>(__STATIC_CAST(const ctype<_CharT>*, this->_M_ctype_facet())),
+ false, true, false);
+ if (__n == 0)
+ this->setstate(ios_base::failbit);
+ }
+ this->width(0);
+}
+
+// A generic unbuffered function for ignoring characters. We stop
+// when we reach EOF, or when the function object __is_delim returns
+// true. In the last case, it extracts the character for which
+// __is_delim is true, if and only if __extract_delim is true.
+
+template < class _CharT, class _Traits, class _Is_Delim>
+void _STLP_CALL
+_M_ignore_unbuffered(basic_istream<_CharT, _Traits>* __that,
+ basic_streambuf<_CharT, _Traits>* __buf,
+ _Is_Delim __is_delim,
+ bool __extract_delim, bool __set_failbit) {
+ bool __done = false;
+ ios_base::iostate __status = 0;
+ typedef typename basic_istream<_CharT, _Traits>::int_type int_type;
+
+ _STLP_TRY {
+ while (!__done) {
+ int_type __c = __buf->sbumpc();
+
+ if (__that->_S_eof(__c)) {
+ __done = true;
+ __status |= __set_failbit ? ios_base::eofbit | ios_base::failbit
+ : ios_base::eofbit;
+ }
+
+ else if (__is_delim(_Traits::to_char_type(__c))) {
+ __done = true;
+ if (!__extract_delim)
+ if (__that->_S_eof(__buf->sputbackc(_Traits::to_char_type(__c))))
+ __status |= ios_base::failbit;
+ }
+ }
+ }
+ _STLP_CATCH_ALL {
+ __that->_M_handle_exception(ios_base::badbit);
+ }
+
+ __that->setstate(__status);
+}
+
+// A generic buffered function for ignoring characters. Much like
+// _M_ignore_unbuffered, but with one additional function object:
+// __scan_delim(first, last) returns the first pointer p in [first,
+// last) such that __is_delim(p) is true.
+
+template < class _CharT, class _Traits, class _Is_Delim, class _Scan_Delim>
+void _STLP_CALL
+_M_ignore_buffered(basic_istream<_CharT, _Traits>* __that,
+ basic_streambuf<_CharT, _Traits>* __buf,
+ _Is_Delim __is_delim, _Scan_Delim __scan_delim,
+ bool __extract_delim, bool __set_failbit) {
+ bool __at_eof = false;
+ bool __found_delim = false;
+
+ _STLP_TRY {
+ while (__buf->_M_egptr() != __buf->_M_gptr() && !__at_eof && !__found_delim) {
+ const _CharT* __p = __scan_delim(__buf->_M_gptr(), __buf->_M_egptr());
+ __buf->_M_gbump((int)(__p - __buf->_M_gptr()));
+
+ if (__p != __buf->_M_egptr()) { // We found delim, so we're done.
+ if (__extract_delim)
+ __buf->_M_gbump(1);
+ __found_delim = true;
+ }
+
+ else // No delim. Try to refil the buffer.
+ __at_eof = __that->_S_eof(__buf->sgetc());
+ } // Close the while loop.
+ }
+ _STLP_CATCH_ALL {
+ __that->_M_handle_exception(ios_base::badbit);
+ return;
+ }
+
+ if (__at_eof) {
+ __that->setstate(__set_failbit ? ios_base::eofbit | ios_base::failbit
+ : ios_base::eofbit);
+ return;
+ }
+ if (__found_delim)
+ return;
+
+ // If execution has reached this point, then we have an empty buffer but
+ // we have not reached eof. What that means is that the streambuf has
+ // decided to switch from a buffered to an unbuffered mode. We switch
+ // to _M_ignore_unbuffered.
+ _M_ignore_unbuffered(__that, __buf, __is_delim, __extract_delim, __set_failbit);
+}
+
+// Overloaded versions of _M_ignore_unbuffered and _M_ignore_unbuffered
+// with an explicit count _Num. Return value is the number of
+// characters extracted.
+//
+// The function object __max_chars takes two arguments, _Num and __n
+// (the latter being the number of characters we have already read),
+// and returns the maximum number of characters to read from the buffer.
+// We parameterize _M_ignore_buffered so that we can use it for both
+// bounded and unbounded input; for the former the function object should
+// be minus<>, and for the latter it should return a constant maximum value.
+
+template < class _CharT, class _Traits, class _Max_Chars, class _Is_Delim>
+streamsize _STLP_CALL
+_M_ignore_unbuffered(basic_istream<_CharT, _Traits>* __that,
+ basic_streambuf<_CharT, _Traits>* __buf,
+ streamsize _Num, _Max_Chars __max_chars,
+ _Is_Delim __is_delim,
+ bool __extract_delim, bool __set_failbit) {
+ streamsize __n = 0;
+ ios_base::iostate __status = 0;
+ typedef typename basic_istream<_CharT, _Traits>::int_type int_type;
+
+ _STLP_TRY {
+ while (__max_chars(_Num, __n) > 0) {
+ int_type __c = __buf->sbumpc();
+
+ if (__that->_S_eof(__c)) {
+ __status |= __set_failbit ? ios_base::eofbit | ios_base::failbit
+ : ios_base::eofbit;
+ break;
+ }
+
+ else if (__is_delim(_Traits::to_char_type(__c))) {
+ if (__extract_delim)
+ ++__n;
+ else if (__that->_S_eof(__buf->sputbackc(_Traits::to_char_type(__c))))
+ __status |= ios_base::failbit;
+
+ break;
+ }
+ // fbp : added counter increment to pass Dietmar's test
+ ++__n;
+ }
+ }
+ _STLP_CATCH_ALL {
+ __that->_M_handle_exception(ios_base::badbit);
+ }
+
+ if (__status)
+ __that->setstate(__status); // This might throw.
+ return __n;
+}
+
+template < class _CharT, class _Traits, class _Max_Chars, class _Is_Delim, class _Scan_Delim>
+streamsize _STLP_CALL
+_M_ignore_buffered(basic_istream<_CharT, _Traits>* __that,
+ basic_streambuf<_CharT, _Traits>* __buf,
+ streamsize _Num,
+ _Max_Chars __max_chars,
+ _Is_Delim __is_delim, _Scan_Delim __scan_delim,
+ bool __extract_delim, bool __set_failbit) {
+ streamsize __n = 0;
+ bool __at_eof = false;
+ bool __done = false;
+
+ _STLP_TRY {
+ while (__buf->_M_egptr() != __buf->_M_gptr() && !__done) {
+ ptrdiff_t __avail = __buf->_M_egptr() - __buf->_M_gptr();
+ streamsize __m = __max_chars(_Num, __n);
+
+ if (__avail >= __m) { // We have more characters than we need.
+ const _CharT* __last = __buf->_M_gptr() + __STATIC_CAST(ptrdiff_t, __m);
+ const _CharT* __p = __scan_delim(__buf->_M_gptr(), __last);
+ ptrdiff_t __chunk = __p - __buf->_M_gptr();
+ __n += __chunk;
+ __buf->_M_gbump((int)__chunk);
+
+ if (__extract_delim && __p != __last) {
+ __n += 1;
+ __buf->_M_gbump(1);
+ }
+
+ __done = true;
+ }
+
+ else {
+ const _CharT* __p = __scan_delim(__buf->_M_gptr(), __buf->_M_egptr());
+ ptrdiff_t __chunk = __p - __buf->_M_gptr();
+ __n += __chunk;
+ __buf->_M_gbump((int)__chunk);
+
+ if (__p != __buf->_M_egptr()) { // We found delim.
+ if (__extract_delim) {
+ __n += 1;
+ __buf->_M_gbump(1);
+ }
+
+ __done = true;
+ }
+
+ // We didn't find delim. Try to refill the buffer.
+ else if (__that->_S_eof(__buf->sgetc())) {
+ __done = true;
+ __at_eof = true;
+ }
+ }
+ } // Close the while loop.
+ }
+ _STLP_CATCH_ALL {
+ __that->_M_handle_exception(ios_base::badbit);
+ return __n;
+ }
+
+ if (__at_eof)
+ __that->setstate(__set_failbit ? ios_base::eofbit | ios_base::failbit
+ : ios_base::eofbit);
+
+ if (__done)
+ return __n;
+
+ // If execution has reached this point, then we have an empty buffer but
+ // we have not reached eof. What that means is that the streambuf has
+ // decided to switch from buffered to unbuffered input. We switch to
+ // to _M_ignore_unbuffered.
+
+ return __n + _M_ignore_unbuffered(__that, __buf, _Num, __max_chars,
+ __is_delim, __extract_delim, __set_failbit);
+}
+
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::ignore(streamsize __n) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ typedef _STLP_PRIV _Constant_unary_fun<bool, int_type> _Const_bool;
+ typedef _STLP_PRIV _Constant_binary_fun<streamsize, streamsize, streamsize> _Const_streamsize;
+ const streamsize __maxss = (numeric_limits<streamsize>::max)();
+
+ if (__n == (numeric_limits<int>::max)()) {
+ if (__buf->gptr() != __buf->egptr())
+ _M_gcount = _M_ignore_buffered(this, __buf,
+ __maxss, _Const_streamsize(__maxss),
+ _Const_bool(false),
+ _STLP_PRIV _Project2nd<const _CharT*, const _CharT*>(),
+ false, false);
+ else
+ _M_gcount = _M_ignore_unbuffered(this, __buf,
+ __maxss, _Const_streamsize(__maxss),
+ _Const_bool(false), false, false);
+ }
+ else {
+ if (__buf->gptr() != __buf->egptr())
+ _M_gcount = _M_ignore_buffered(this, __buf,
+ __n, minus<streamsize>(),
+ _Const_bool(false),
+ _STLP_PRIV _Project2nd<const _CharT*, const _CharT*>(),
+ false, false);
+ else
+ _M_gcount = _M_ignore_unbuffered(this, __buf, __n, minus<streamsize>(),
+ _Const_bool(false), false, false);
+ }
+ }
+
+ return *this;
+}
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>::ignore(streamsize __n, int_type __delim) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ typedef _STLP_PRIV _Constant_unary_fun<bool, int_type> _Const_bool;
+ typedef _STLP_PRIV _Constant_binary_fun<streamsize, streamsize, streamsize>
+ _Const_streamsize;
+ const streamsize __maxss = (numeric_limits<streamsize>::max)();
+
+ if (__n == (numeric_limits<int>::max)()) {
+ if (__buf->gptr() != __buf->egptr())
+ _M_gcount = _M_ignore_buffered(this, __buf,
+ __maxss, _Const_streamsize(__maxss),
+ _STLP_PRIV _Eq_int_bound<_Traits>(__delim),
+ _STLP_PRIV _Scan_for_int_val<_Traits>(__delim),
+ true, false);
+ else
+ _M_gcount = _M_ignore_unbuffered(this, __buf,
+ __maxss, _Const_streamsize(__maxss),
+ _STLP_PRIV _Eq_int_bound<_Traits>(__delim),
+ true, false);
+ }
+ else {
+ if (__buf->gptr() != __buf->egptr())
+ _M_gcount = _M_ignore_buffered(this, __buf,
+ __n, minus<streamsize>(),
+ _STLP_PRIV _Eq_int_bound<_Traits>(__delim),
+ _STLP_PRIV _Scan_for_int_val<_Traits>(__delim),
+ true, false);
+ else
+ _M_gcount = _M_ignore_unbuffered(this, __buf, __n, minus<streamsize>(),
+ _STLP_PRIV _Eq_int_bound<_Traits>(__delim),
+ true, false);
+ }
+ }
+
+ return *this;
+}
+
+// This member function does not construct a sentry object, because
+// it is called from sentry's constructor.
+template <class _CharT, class _Traits>
+void basic_istream<_CharT, _Traits>::_M_skip_whitespace(bool __set_failbit) {
+ basic_streambuf<_CharT, _Traits>* __buf = this->rdbuf();
+ if (!__buf)
+ this->setstate(ios_base::badbit);
+ else if (__buf->gptr() != __buf->egptr())
+ _M_ignore_buffered(this, __buf,
+ _STLP_PRIV _Is_not_wspace<_Traits>(__STATIC_CAST(const ctype<_CharT>*, this->_M_ctype_facet())),
+ _STLP_PRIV _Scan_for_not_wspace<_Traits>(__STATIC_CAST(const ctype<_CharT>*, this->_M_ctype_facet())),
+ false, __set_failbit);
+ else
+ _M_ignore_unbuffered(this, __buf,
+ _STLP_PRIV _Is_not_wspace<_Traits>(__STATIC_CAST(const ctype<_CharT>*, this->_M_ctype_facet())),
+ false, __set_failbit);
+}
+
+
+// This is a very simple loop that reads characters from __src and puts
+// them into __dest. It looks complicated because of the (standard-
+// mandated) exception handling policy.
+//
+// We stop when we get an exception, when we fail to insert into the
+// output streambuf, or when __is_delim is true.
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+template < class _CharT, class _Traits, class _Is_Delim>
+streamsize _STLP_CALL
+__copy_unbuffered(basic_istream<_CharT, _Traits>* __that, basic_streambuf<_CharT, _Traits>* __src,
+ basic_streambuf<_CharT, _Traits>* __dest,
+ _Is_Delim __is_delim,
+ bool __extract_delim, bool __rethrow) {
+ streamsize __extracted = 0;
+ ios_base::iostate __status = 0;
+ typedef typename basic_istream<_CharT, _Traits>::int_type int_type;
+ int_type __c;
+
+ _STLP_TRY {
+ for (;;) {
+ // Get a character. If there's an exception, catch and (maybe) rethrow it.
+ __c = __src->sbumpc();
+
+ // If we failed to get a character, then quit.
+ if (__that->_S_eof(__c)) {
+ __status |= ios_base::eofbit;
+ break;
+ }
+ // If it's the delimiter, then quit.
+ else if (__is_delim(_Traits::to_char_type(__c))) {
+ if (!__extract_delim && !__pushback(__src, _Traits::to_char_type(__c)))
+ __status |= ios_base::failbit;
+ break;
+ }
+ else {
+ // Try to put the character in the output streambuf.
+ bool __failed = false;
+ _STLP_TRY {
+ if (!__that->_S_eof(__dest->sputc(_Traits::to_char_type(__c))))
+ ++__extracted;
+ else
+ __failed = true;
+ }
+ _STLP_CATCH_ALL {
+ __failed = true;
+ }
+
+ // If we failed to put the character in the output streambuf, then
+ // try to push it back to the input streambuf.
+ if (__failed && !__pushback(__src, _Traits::to_char_type(__c)))
+ __status |= ios_base::failbit;
+
+ // fbp : avoiding infinite loop in io-27-6-1-2-3.exp
+ if (__failed)
+ break;
+ }
+
+ } /* for (;;) */
+
+ }
+ // fbp : this try/catch moved here in reasonable assumption
+ // __is_delim never throw (__pushback is guaranteed not to)
+ _STLP_CATCH_ALL {
+ // See 27.6.1.2.3, paragraph 13.
+ if (__rethrow && __extracted == 0)
+ __that->_M_handle_exception(ios_base::failbit);
+ }
+ __that->setstate(__status);
+ return __extracted;
+}
+
+// Buffered copying from one streambuf to another. We copy the characters
+// in chunks, rather than one at a time. We still have to worry about all
+// of the error conditions we checked in __copy_unbuffered, plus one more:
+// the streambuf might decide to switch from a buffered to an unbuffered mode.
+
+template < class _CharT, class _Traits, class _Is_Delim, class _Scan_Delim>
+streamsize _STLP_CALL
+__copy_buffered(basic_istream<_CharT, _Traits>* __that, basic_streambuf<_CharT, _Traits>* __src,
+ basic_streambuf<_CharT, _Traits>* __dest,
+ _Scan_Delim __scan_delim, _Is_Delim __is_delim,
+ bool __extract_delim, bool __rethrow) {
+ streamsize __extracted = 0;
+ ios_base::iostate __status = 0;
+ typedef typename basic_istream<_CharT, _Traits>::int_type int_type;
+ //Borland compiler generates a warning if assignment because value is never used:
+ int_type __c /*= _Traits::eof()*/;
+ _CharT* __first = __src->_M_gptr();
+ ptrdiff_t __avail = __src->_M_egptr() - __first;
+ // fbp : introduced to move catch/try blocks out of the loop
+ bool __do_handle_exceptions = false;
+
+ _STLP_TRY {
+ for (;;) {
+ const _CharT* __last = __scan_delim(__first, __src->_M_egptr());
+
+ // Try to copy the entire input buffer to the output buffer.
+ streamsize __n = __dest->sputn(__first, __extract_delim && __last != __src->_M_egptr()
+ ? (__last - __first) + 1
+ : (__last - __first));
+ __src->_M_gbump((int)__n);
+ __extracted += __n;
+
+ // from this on, catch() will call _M_handle_exceptions()
+ __do_handle_exceptions = true;
+
+ if (__n < __avail) // We found the delimiter, or else failed to
+ break; // copy some characters.
+
+ __c = __src->sgetc();
+
+ // Three possibilities: we succeeded in refilling the buffer, or
+ // we got EOF, or the streambuf has switched to unbuffered mode.
+ __first = __src->_M_gptr();
+ __avail = __src->_M_egptr() - __first;
+
+ if (__avail > 0)
+ {} // dwa 1/16/00 -- suppress a Metrowerks warning
+ else if (__that->_S_eof(__c)) {
+ __status |= ios_base::eofbit;
+ break;
+ }
+ else {
+ return __extracted + __copy_unbuffered(__that, __src, __dest, __is_delim,
+ __extract_delim, __rethrow);
+ }
+
+ __do_handle_exceptions = false;
+ }
+ }
+
+ _STLP_CATCH_ALL {
+ // See 27.6.1.2.3, paragraph 13.
+ if (__rethrow && __do_handle_exceptions && __extracted == 0)
+ __that->_M_handle_exception(ios_base::failbit);
+ }
+
+ if (__status)
+ __that->setstate(__status); // This might throw.
+ return __extracted;
+}
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>
+ ::get(basic_streambuf<_CharT, _Traits>& __dest, _CharT __delim) {
+ sentry __sentry(*this, _No_Skip_WS());
+ this->_M_gcount = 0;
+
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __src = this->rdbuf();
+
+ if (__src)
+ this->_M_gcount = __src->egptr() != __src->gptr()
+ ? _STLP_PRIV __copy_buffered(this, __src, &__dest,
+ _STLP_PRIV _Scan_for_char_val<_Traits>(__delim),
+ _STLP_PRIV _Eq_char_bound<_Traits>(__delim),
+ false, false)
+ : _STLP_PRIV __copy_unbuffered(this, __src, &__dest,
+ _STLP_PRIV _Eq_char_bound<_Traits>(__delim),
+ false, false);
+ }
+
+ if (this->_M_gcount == 0)
+ this->setstate(ios_base::failbit);
+
+ return *this;
+}
+
+// Copying characters into a streambuf.
+template <class _CharT, class _Traits>
+basic_istream<_CharT, _Traits>&
+basic_istream<_CharT, _Traits>
+ ::operator>>(basic_streambuf<_CharT, _Traits>* __dest) {
+ streamsize __n = 0;
+ typedef typename basic_istream<_CharT, _Traits>::sentry _Sentry;
+ _Sentry __sentry(*this);
+ if (__sentry) {
+ basic_streambuf<_CharT, _Traits>* __src = this->rdbuf();
+ if (__src && __dest)
+ __n = __src->egptr() != __src->gptr()
+ ? _STLP_PRIV __copy_buffered(this, __src, __dest,
+ _STLP_PRIV _Project2nd<const _CharT*, const _CharT*>(),
+ _STLP_PRIV _Constant_unary_fun<bool, int_type>(false),
+ false, true)
+ : _STLP_PRIV __copy_unbuffered(this, __src, __dest,
+ _STLP_PRIV _Constant_unary_fun<bool, int_type>(false),
+ false, true);
+ }
+
+ if (__n == 0)
+ this->setstate(ios_base::failbit);
+
+ return *this;
+}
+
+// ----------------------------------------------------------------
+// basic_iostream<> class
+// ----------------------------------------------------------------
+
+template <class _CharT, class _Traits>
+basic_iostream<_CharT, _Traits>
+ ::basic_iostream(basic_streambuf<_CharT, _Traits>* __buf)
+ : basic_ios<_CharT, _Traits>(),
+ basic_istream<_CharT, _Traits>(__buf),
+ basic_ostream<_CharT, _Traits>(__buf) {
+ this->init(__buf);
+}
+
+template <class _CharT, class _Traits>
+basic_iostream<_CharT, _Traits>::~basic_iostream()
+{}
+
+_STLP_END_NAMESPACE
+
+#undef __BIS_int_type__
+#undef __BIS_pos_type__
+#undef __BIS_off_type__
+
+#endif /* _STLP_ISTREAM_C */
+
+// Local Variables:
+// mode:C++
+// End:
projects / polintos / scott / priv.git / blobdiff