| /* |
| * 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_NUM_PUT_C |
| #define _STLP_NUM_PUT_C |
| |
| #ifndef _STLP_INTERNAL_NUM_PUT_H |
| # include <stl/_num_put.h> |
| #endif |
| |
| #ifndef _STLP_INTERNAL_LIMITS |
| # include <stl/_limits.h> |
| #endif |
| |
| _STLP_BEGIN_NAMESPACE |
| |
| _STLP_MOVE_TO_PRIV_NAMESPACE |
| |
| // __do_put_float and its helper functions. Strategy: write the output |
| // to a buffer of char, transform the buffer to _CharT, and then copy |
| // it to the output. |
| |
| //---------------------------------------------------------------------- |
| // num_put facet |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter _STLP_CALL |
| __copy_float_and_fill(const _CharT* __first, const _CharT* __last, |
| _OutputIter __oi, |
| ios_base::fmtflags __flags, |
| streamsize __width, _CharT __fill, |
| _CharT __xplus, _CharT __xminus) { |
| if (__width <= __last - __first) |
| return _STLP_STD::copy(__first, __last, __oi); |
| else { |
| streamsize __pad = __width - (__last - __first); |
| ios_base::fmtflags __dir = __flags & ios_base::adjustfield; |
| |
| if (__dir == ios_base::left) { |
| __oi = _STLP_STD::copy(__first, __last, __oi); |
| return _STLP_PRIV __fill_n(__oi, __pad, __fill); |
| } |
| else if (__dir == ios_base::internal && __first != __last && |
| (*__first == __xplus || *__first == __xminus)) { |
| *__oi++ = *__first++; |
| __oi = _STLP_PRIV __fill_n(__oi, __pad, __fill); |
| return _STLP_STD::copy(__first, __last, __oi); |
| } |
| else { |
| __oi = _STLP_PRIV __fill_n(__oi, __pad, __fill); |
| return _STLP_STD::copy(__first, __last, __oi); |
| } |
| } |
| } |
| |
| #if !defined (_STLP_NO_WCHAR_T) |
| // Helper routine for wchar_t |
| template <class _OutputIter> |
| _OutputIter _STLP_CALL |
| __put_float(__iostring &__str, _OutputIter __oi, |
| ios_base& __f, wchar_t __fill, |
| wchar_t __decimal_point, wchar_t __sep, |
| size_t __group_pos, const string& __grouping) { |
| const ctype<wchar_t>& __ct = use_facet<ctype<wchar_t> >(__f.getloc()); |
| |
| __iowstring __wbuf; |
| __convert_float_buffer(__str, __wbuf, __ct, __decimal_point); |
| |
| if (!__grouping.empty()) { |
| __insert_grouping(__wbuf, __group_pos, __grouping, |
| __sep, __ct.widen('+'), __ct.widen('-'), 0); |
| } |
| |
| return __copy_float_and_fill(__wbuf.data(), __wbuf.data() + __wbuf.size(), __oi, |
| __f.flags(), __f.width(0), __fill, __ct.widen('+'), __ct.widen('-')); |
| } |
| #endif /* WCHAR_T */ |
| |
| // Helper routine for char |
| template <class _OutputIter> |
| _OutputIter _STLP_CALL |
| __put_float(__iostring &__str, _OutputIter __oi, |
| ios_base& __f, char __fill, |
| char __decimal_point, char __sep, |
| size_t __group_pos, const string& __grouping) { |
| if ((__group_pos < __str.size()) && (__str[__group_pos] == '.')) { |
| __str[__group_pos] = __decimal_point; |
| } |
| |
| if (!__grouping.empty()) { |
| __insert_grouping(__str, __group_pos, |
| __grouping, __sep, '+', '-', 0); |
| } |
| |
| return __copy_float_and_fill(__str.data(), __str.data() + __str.size(), __oi, |
| __f.flags(), __f.width(0), __fill, '+', '-'); |
| } |
| |
| template <class _CharT, class _OutputIter, class _Float> |
| _OutputIter _STLP_CALL |
| __do_put_float(_OutputIter __s, ios_base& __f, |
| _CharT __fill, _Float __x) { |
| __iostring __buf; |
| |
| size_t __group_pos = __write_float(__buf, __f.flags(), (int)__f.precision(), __x); |
| |
| const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__f.getloc()); |
| return __put_float(__buf, __s, __f, __fill, |
| __np.decimal_point(), __np.thousands_sep(), |
| __group_pos, __np.grouping()); |
| } |
| |
| inline void __get_money_digits_aux (__iostring &__buf, ios_base &, _STLP_LONGEST_FLOAT_TYPE __x) |
| { __get_floor_digits(__buf, __x); } |
| |
| #if !defined (_STLP_NO_WCHAR_T) |
| inline void __get_money_digits_aux (__iowstring &__wbuf, ios_base &__f, _STLP_LONGEST_FLOAT_TYPE __x) { |
| __iostring __buf; |
| __get_floor_digits(__buf, __x); |
| |
| const ctype<wchar_t>& __ct = use_facet<ctype<wchar_t> >(__f.getloc()); |
| __convert_float_buffer(__buf, __wbuf, __ct, wchar_t(0), false); |
| } |
| #endif |
| |
| template <class _CharT> |
| void _STLP_CALL __get_money_digits(_STLP_BASIC_IOSTRING(_CharT) &__buf, ios_base& __f, _STLP_LONGEST_FLOAT_TYPE __x) |
| { __get_money_digits_aux(__buf, __f, __x); } |
| |
| // _M_do_put_integer and its helper functions. |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter _STLP_CALL |
| __copy_integer_and_fill(const _CharT* __buf, ptrdiff_t __len, |
| _OutputIter __oi, |
| ios_base::fmtflags __flg, streamsize __wid, _CharT __fill, |
| _CharT __xplus, _CharT __xminus) { |
| if (__len >= __wid) |
| return _STLP_STD::copy(__buf, __buf + __len, __oi); |
| else { |
| //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 __pad = __STATIC_CAST(ptrdiff_t, (min) (__STATIC_CAST(streamsize, (numeric_limits<ptrdiff_t>::max)()), |
| __STATIC_CAST(streamsize, __wid - __len))); |
| ios_base::fmtflags __dir = __flg & ios_base::adjustfield; |
| |
| if (__dir == ios_base::left) { |
| __oi = _STLP_STD::copy(__buf, __buf + __len, __oi); |
| return _STLP_PRIV __fill_n(__oi, __pad, __fill); |
| } |
| else if (__dir == ios_base::internal && __len != 0 && |
| (__buf[0] == __xplus || __buf[0] == __xminus)) { |
| *__oi++ = __buf[0]; |
| __oi = __fill_n(__oi, __pad, __fill); |
| return _STLP_STD::copy(__buf + 1, __buf + __len, __oi); |
| } |
| else if (__dir == ios_base::internal && __len >= 2 && |
| (__flg & ios_base::showbase) && |
| (__flg & ios_base::basefield) == ios_base::hex) { |
| *__oi++ = __buf[0]; |
| *__oi++ = __buf[1]; |
| __oi = __fill_n(__oi, __pad, __fill); |
| return _STLP_STD::copy(__buf + 2, __buf + __len, __oi); |
| } |
| else { |
| __oi = __fill_n(__oi, __pad, __fill); |
| return _STLP_STD::copy(__buf, __buf + __len, __oi); |
| } |
| } |
| } |
| |
| #if !defined (_STLP_NO_WCHAR_T) |
| // Helper function for wchar_t |
| template <class _OutputIter> |
| _OutputIter _STLP_CALL |
| __put_integer(char* __buf, char* __iend, _OutputIter __s, |
| ios_base& __f, |
| ios_base::fmtflags __flags, wchar_t __fill) { |
| locale __loc = __f.getloc(); |
| const ctype<wchar_t>& __ct = use_facet<ctype<wchar_t> >(__loc); |
| |
| wchar_t __xplus = __ct.widen('+'); |
| wchar_t __xminus = __ct.widen('-'); |
| |
| wchar_t __wbuf[64]; |
| __ct.widen(__buf, __iend, __wbuf); |
| ptrdiff_t __len = __iend - __buf; |
| wchar_t* __eend = __wbuf + __len; |
| |
| const numpunct<wchar_t>& __np = use_facet<numpunct<wchar_t> >(__loc); |
| const string& __grouping = __np.grouping(); |
| |
| if (!__grouping.empty()) { |
| int __basechars; |
| if (__flags & ios_base::showbase) |
| switch (__flags & ios_base::basefield) { |
| case ios_base::hex: __basechars = 2; break; |
| case ios_base::oct: __basechars = 1; break; |
| default: __basechars = 0; |
| } |
| else |
| __basechars = 0; |
| |
| __len = __insert_grouping(__wbuf, __eend, __grouping, __np.thousands_sep(), |
| __xplus, __xminus, __basechars); |
| } |
| |
| return __copy_integer_and_fill((wchar_t*)__wbuf, __len, __s, |
| __flags, __f.width(0), __fill, __xplus, __xminus); |
| } |
| #endif |
| |
| // Helper function for char |
| template <class _OutputIter> |
| _OutputIter _STLP_CALL |
| __put_integer(char* __buf, char* __iend, _OutputIter __s, |
| ios_base& __f, ios_base::fmtflags __flags, char __fill) { |
| char __grpbuf[64]; |
| ptrdiff_t __len = __iend - __buf; |
| |
| const numpunct<char>& __np = use_facet<numpunct<char> >(__f.getloc()); |
| const string& __grouping = __np.grouping(); |
| |
| if (!__grouping.empty()) { |
| int __basechars; |
| if (__flags & ios_base::showbase) |
| switch (__flags & ios_base::basefield) { |
| case ios_base::hex: __basechars = 2; break; |
| case ios_base::oct: __basechars = 1; break; |
| default: __basechars = 0; |
| } |
| else |
| __basechars = 0; |
| |
| // make sure there is room at the end of the buffer |
| // we pass to __insert_grouping |
| _STLP_STD::copy(__buf, __iend, (char *) __grpbuf); |
| __buf = __grpbuf; |
| __iend = __grpbuf + __len; |
| __len = __insert_grouping(__buf, __iend, __grouping, __np.thousands_sep(), |
| '+', '-', __basechars); |
| } |
| |
| return __copy_integer_and_fill(__buf, __len, __s, __flags, __f.width(0), __fill, '+', '-'); |
| } |
| |
| #if defined (_STLP_LONG_LONG) |
| typedef _STLP_LONG_LONG __max_int_t; |
| typedef unsigned _STLP_LONG_LONG __umax_int_t; |
| #else |
| typedef long __max_int_t; |
| typedef unsigned long __umax_int_t; |
| #endif |
| |
| _STLP_DECLSPEC const char* _STLP_CALL __hex_char_table_lo(); |
| _STLP_DECLSPEC const char* _STLP_CALL __hex_char_table_hi(); |
| |
| template <class _Integer> |
| inline char* _STLP_CALL |
| __write_decimal_backward(char* __ptr, _Integer __x, ios_base::fmtflags __flags, const __true_type& /* is_signed */) { |
| const bool __negative = __x < 0 ; |
| __max_int_t __temp = __x; |
| __umax_int_t __utemp = __negative?-__temp:__temp; |
| |
| for (; __utemp != 0; __utemp /= 10) |
| *--__ptr = (char)((int)(__utemp % 10) + '0'); |
| // put sign if needed or requested |
| if (__negative) |
| *--__ptr = '-'; |
| else if (__flags & ios_base::showpos) |
| *--__ptr = '+'; |
| return __ptr; |
| } |
| |
| template <class _Integer> |
| inline char* _STLP_CALL |
| __write_decimal_backward(char* __ptr, _Integer __x, ios_base::fmtflags __flags, const __false_type& /* is_signed */) { |
| for (; __x != 0; __x /= 10) |
| *--__ptr = (char)((int)(__x % 10) + '0'); |
| // put sign if requested |
| if (__flags & ios_base::showpos) |
| *--__ptr = '+'; |
| return __ptr; |
| } |
| |
| template <class _Integer> |
| char* _STLP_CALL |
| __write_integer_backward(char* __buf, ios_base::fmtflags __flags, _Integer __x) { |
| char* __ptr = __buf; |
| |
| if (__x == 0) { |
| *--__ptr = '0'; |
| if ((__flags & ios_base::showpos) && ((__flags & (ios_base::oct | ios_base::hex)) == 0)) |
| *--__ptr = '+'; |
| // oct or hex base shall not be added to the 0 value (see '#' flag in C formating strings) |
| } |
| else { |
| switch (__flags & ios_base::basefield) { |
| case ios_base::oct: |
| { |
| __umax_int_t __temp = __x; |
| // if the size of integer is less than 8, clear upper part |
| if ( sizeof(__x) < 8 && sizeof(__umax_int_t) >= 8 ) |
| __temp &= 0xFFFFFFFF; |
| |
| for (; __temp != 0; __temp >>=3) |
| *--__ptr = (char)((((unsigned)__temp)& 0x7) + '0'); |
| |
| // put leading '0' if showbase is set |
| if (__flags & ios_base::showbase) |
| *--__ptr = '0'; |
| } |
| break; |
| case ios_base::hex: |
| { |
| const char* __table_ptr = (__flags & ios_base::uppercase) ? |
| __hex_char_table_hi() : __hex_char_table_lo(); |
| __umax_int_t __temp = __x; |
| // if the size of integer is less than 8, clear upper part |
| if ( sizeof(__x) < 8 && sizeof(__umax_int_t) >= 8 ) |
| __temp &= 0xFFFFFFFF; |
| |
| for (; __temp != 0; __temp >>=4) |
| *--__ptr = __table_ptr[((unsigned)__temp & 0xF)]; |
| |
| if (__flags & ios_base::showbase) { |
| *--__ptr = __table_ptr[16]; |
| *--__ptr = '0'; |
| } |
| } |
| break; |
| //case ios_base::dec: |
| default: |
| { |
| #if defined(__HP_aCC) && (__HP_aCC == 1) |
| bool _IsSigned = !((_Integer)-1 > 0); |
| if (_IsSigned) |
| __ptr = __write_decimal_backward(__ptr, __x, __flags, __true_type() ); |
| else |
| __ptr = __write_decimal_backward(__ptr, __x, __flags, __false_type() ); |
| #else |
| typedef typename __bool2type<numeric_limits<_Integer>::is_signed>::_Ret _IsSigned; |
| __ptr = __write_decimal_backward(__ptr, __x, __flags, _IsSigned()); |
| #endif |
| } |
| break; |
| } |
| } |
| |
| // return pointer to beginning of the string |
| return __ptr; |
| } |
| |
| template <class _CharT, class _OutputIter, class _Integer> |
| _OutputIter _STLP_CALL |
| __do_put_integer(_OutputIter __s, ios_base& __f, _CharT __fill, _Integer __x) { |
| // buffer size = number of bytes * number of digit necessary in the smallest Standard base (base 8, 3 digits/byte) |
| // plus the longest base representation '0x' |
| // Do not use __buf_size to define __buf static buffer, some compilers (HP aCC) do not accept const variable as |
| // the specification of a static buffer size. |
| char __buf[sizeof(_Integer) * 3 + 2]; |
| const ptrdiff_t __buf_size = sizeof(__buf) / sizeof(char); |
| ios_base::fmtflags __flags = __f.flags(); |
| char* __ibeg = __write_integer_backward((char*)__buf + __buf_size, __flags, __x); |
| return __put_integer(__ibeg, (char*)__buf + __buf_size, __s, __f, __flags, __fill); |
| } |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter _STLP_CALL |
| __do_put_bool(_OutputIter __s, ios_base& __f, _CharT __fill, bool __x) { |
| const numpunct<_CharT>& __np = use_facet<numpunct<_CharT> >(__f.getloc()); |
| |
| basic_string<_CharT, char_traits<_CharT>, allocator<_CharT> > __str = __x ? __np.truename() : __np.falsename(); |
| |
| streamsize __wid = __f.width(0); |
| if (__str.size() >= __STATIC_CAST(size_t, __wid)) |
| return _STLP_STD::copy(__str.begin(), __str.end(), __s); |
| else { |
| streamsize __pad = __wid - __str.size(); |
| ios_base::fmtflags __dir = __f.flags() & ios_base::adjustfield; |
| |
| if (__dir == ios_base::left) { |
| __s = _STLP_STD::copy(__str.begin(), __str.end(), __s); |
| return __fill_n(__s, __pad, __fill); |
| } |
| else /* covers right and internal padding */ { |
| __s = __fill_n(__s, __pad, __fill); |
| return _STLP_STD::copy(__str.begin(), __str.end(), __s); |
| } |
| } |
| } |
| _STLP_MOVE_TO_STD_NAMESPACE |
| |
| // |
| // num_put<> |
| // |
| |
| template <class _CharT, class _OutputIterator> |
| locale::id num_put<_CharT, _OutputIterator>::id; |
| |
| #if !defined (_STLP_NO_BOOL) |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| bool __val) const { |
| if (!(__f.flags() & ios_base::boolalpha)) |
| // 22.2.2.2.2.23: shall return do_put for int and not directly __do_put_integer. |
| return do_put(__s, __f, __fill, __STATIC_CAST(long, __val)); |
| |
| return _STLP_PRIV __do_put_bool(__s, __f, __fill, __val); |
| } |
| #endif |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| long __val) const |
| { return _STLP_PRIV __do_put_integer(__s, __f, __fill, __val); } |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| unsigned long __val) const |
| { return _STLP_PRIV __do_put_integer(__s, __f, __fill, __val); } |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| double __val) const |
| { return _STLP_PRIV __do_put_float(__s, __f, __fill, __val); } |
| |
| #if !defined (_STLP_NO_LONG_DOUBLE) |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| long double __val) const |
| { return _STLP_PRIV __do_put_float(__s, __f, __fill, __val); } |
| #endif |
| |
| #if defined (_STLP_LONG_LONG) |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| _STLP_LONG_LONG __val) const |
| { return _STLP_PRIV __do_put_integer(__s, __f, __fill, __val); } |
| |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT __fill, |
| unsigned _STLP_LONG_LONG __val) const |
| { return _STLP_PRIV __do_put_integer(__s, __f, __fill, __val); } |
| #endif /* _STLP_LONG_LONG */ |
| |
| |
| // 22.2.2.2.2 Stage 1: "For conversion from void* the specifier is %p." |
| // This is not clear and I'm really don't follow this (below). |
| template <class _CharT, class _OutputIter> |
| _OutputIter |
| num_put<_CharT, _OutputIter>::do_put(_OutputIter __s, ios_base& __f, _CharT /*__fill*/, |
| const void* __val) const { |
| const ctype<_CharT>& __c_type = use_facet<ctype<_CharT> >(__f.getloc()); |
| ios_base::fmtflags __save_flags = __f.flags(); |
| |
| __f.setf(ios_base::hex, ios_base::basefield); |
| __f.setf(ios_base::showbase); |
| __f.setf(ios_base::internal, ios_base::adjustfield); |
| __f.width((sizeof(void*) * 2) + 2); // digits in pointer type plus '0x' prefix |
| if ( __val == 0 ) { |
| // base ('0x') not shown for null, but I really want to type it |
| // for pointer. Print it first in this case. |
| const char* __table_ptr = (__save_flags & ios_base::uppercase) ? |
| _STLP_PRIV __hex_char_table_hi() : _STLP_PRIV __hex_char_table_lo(); |
| __s++ = __c_type.widen( '0' ); |
| __s++ = __c_type.widen( __table_ptr[16] ); |
| __f.width((sizeof(void*) * 2)); // digits in pointer type |
| } else { |
| __f.width((sizeof(void*) * 2) + 2); // digits in pointer type plus '0x' prefix |
| } |
| #if defined (_STLP_MSVC) |
| # pragma warning (push) |
| # pragma warning (disable : 4311) //pointer truncation from 'const void*' to 'unsigned long' |
| #endif |
| _OutputIter result = |
| #ifdef _STLP_LONG_LONG |
| ( sizeof(void*) == sizeof(unsigned long) ) ? |
| #endif |
| _STLP_PRIV __do_put_integer(__s, __f, __c_type.widen('0'), __REINTERPRET_CAST(unsigned long,__val)) |
| #ifdef _STLP_LONG_LONG |
| : /* ( sizeof(void*) == sizeof(unsigned _STLP_LONG_LONG) ) ? */ |
| _STLP_PRIV __do_put_integer(__s, __f, __c_type.widen('0'), __REINTERPRET_CAST(unsigned _STLP_LONG_LONG,__val)) |
| #endif |
| ; |
| #if defined (_STLP_MSVC) |
| # pragma warning (pop) |
| #endif |
| __f.flags(__save_flags); |
| return result; |
| } |
| |
| _STLP_END_NAMESPACE |
| |
| #endif /* _STLP_NUM_PUT_C */ |
| |
| // Local Variables: |
| // mode:C++ |
| // End: |
