genericopenlibs/cppstdlib/stl/src/num_put.cpp
changeset 31 ce057bb09d0b
parent 0 e4d67989cc36
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/genericopenlibs/cppstdlib/stl/src/num_put.cpp	Fri Jun 04 16:20:51 2010 +0100
@@ -0,0 +1,230 @@
+/*
+ * Portions Copyright (c) 2008 Nokia Corporation and/or its subsidiary(-ies). 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.
+ *
+ */
+
+#include "stlport_prefix.h"
+
+#include <locale>
+#include <ostream>
+
+#ifdef __SYMBIAN32__WSD__
+#include <libstdcppwsd.h>
+#endif //__SYMBIAN32__WSD__
+
+_STLP_BEGIN_NAMESPACE
+
+// Note that grouping[0] is the number of digits in the *rightmost* group.
+// We assume, without checking, that *last is null and that there is enough
+// space in the buffer to extend the number past [first, last).
+template <class Char>
+static ptrdiff_t
+__insert_grouping_aux(Char* first, Char* last, const string& grouping,
+                      Char separator, Char Plus, Char Minus,
+                      int basechars) {
+  typedef string::size_type str_size;
+
+  if (first == last)
+    return 0;
+
+  int sign = 0;
+
+  if (*first == Plus || *first == Minus) {
+    sign = 1;
+    ++first;
+  }
+
+  first += basechars;
+  str_size n = 0;               // Index of the current group.
+  Char* cur_group = last;       // Points immediately beyond the rightmost
+                                // digit of the current group.
+  int groupsize = 0;            // Size of the current group.
+
+  for (;;) {
+    groupsize = n < grouping.size() ? grouping[n] : groupsize;
+    ++n;
+
+    if (groupsize <= 0 || groupsize >= cur_group - first)
+      break;
+
+    // Insert a separator character just before position cur_group - groupsize
+    cur_group -= groupsize;
+    ++last;
+    copy_backward(cur_group, last, last + 1);
+    *cur_group = separator;
+  }
+
+  return (last - first) + sign + basechars;
+}
+
+//Dynamic output buffer version.
+template <class Char, class Str>
+static void
+__insert_grouping_aux( /* __basic_iostring<Char> */ Str& iostr, size_t __group_pos,
+                      const string& grouping,
+                      Char separator, Char Plus, Char Minus,
+                      int basechars) {
+  typedef string::size_type str_size;
+
+  if (iostr.size() < __group_pos)
+    return;
+
+#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
+  int __first_pos = 0;
+#else
+  size_t __first_pos = 0;
+#endif
+  Char __first = *iostr.begin();
+
+  if (__first == Plus || __first == Minus) {
+    ++__first_pos;
+  }
+
+  __first_pos += basechars;
+#ifdef SYMBIAN_OE_ENHANCED_LOCALE_SUPPORT
+  typename basic_string<Char>::iterator cur_group(iostr.begin() + __group_pos);  // Points immediately beyond the rightmost
+  																	// digit of the current group.
+  int groupsize = 0; // Size of the current group (if grouping.size() == 0, size
+                     // of group unlimited: we force condition (groupsize <= 0))
+
+  for ( str_size n = 0; ; ) { // Index of the current group
+    if ( n < grouping.size() ) {
+      groupsize = __STATIC_CAST( int, grouping[n++] );
+    }
+
+    if ( (groupsize <= 0) || (groupsize >= ((cur_group - iostr.begin()) - __first_pos)) ||
+         (groupsize == CHAR_MAX)) {
+      break;
+    }
+#else
+  str_size n = 0;                                                   // Index of the current group.
+  typename basic_string<Char>::iterator cur_group(iostr.begin() + __group_pos);  // Points immediately beyond the rightmost
+                                                                    // digit of the current group.
+  unsigned int groupsize = 0;                                       // Size of the current group.
+
+  for (;;) {
+    groupsize = n < grouping.size() ? grouping[n] : groupsize;
+    ++n;
+
+    if (groupsize <= 0 || groupsize >= ((cur_group - iostr.begin()) + __first_pos))
+      break;
+#endif
+
+    // Insert a separator character just before position cur_group - groupsize
+    cur_group -= groupsize;
+    cur_group = iostr.insert(cur_group, separator);
+  }
+}
+
+//----------------------------------------------------------------------
+// num_put
+
+_STLP_MOVE_TO_PRIV_NAMESPACE
+
+_STLP_DECLSPEC const char* _STLP_CALL __hex_char_table_lo()
+{ return "0123456789abcdefx"; }
+
+_STLP_DECLSPEC const char* _STLP_CALL __hex_char_table_hi()
+{ return "0123456789ABCDEFX"; }
+
+char* _STLP_CALL
+__write_integer(char* buf, ios_base::fmtflags flags, long x) {
+  char tmp[64];
+  char* bufend = tmp+64;
+  char* beg = __write_integer_backward(bufend, flags, x);
+  return copy(beg, bufend, buf);
+}
+
+///-------------------------------------
+
+_STLP_DECLSPEC ptrdiff_t _STLP_CALL
+__insert_grouping(char * first, char * last, const string& grouping,
+                  char separator, char Plus, char Minus, int basechars) {
+  return __insert_grouping_aux(first, last, grouping,
+                               separator, Plus, Minus, basechars);
+}
+
+_STLP_DECLSPEC void _STLP_CALL
+__insert_grouping(__iostring &str, size_t group_pos, const string& grouping,
+                  char separator, char Plus, char Minus, int basechars) {
+  __insert_grouping_aux(str, group_pos, grouping, separator, Plus, Minus, basechars);
+}
+
+#if !defined (_STLP_NO_WCHAR_T)
+_STLP_DECLSPEC ptrdiff_t _STLP_CALL
+__insert_grouping(wchar_t* first, wchar_t* last, const string& grouping,
+                  wchar_t separator, wchar_t Plus, wchar_t Minus,
+                  int basechars) {
+  return __insert_grouping_aux(first, last, grouping, separator,
+                               Plus, Minus, basechars);
+}
+
+_STLP_DECLSPEC void _STLP_CALL
+__insert_grouping(__iowstring &str, size_t group_pos, const string& grouping,
+                  wchar_t separator, wchar_t Plus, wchar_t Minus,
+                  int basechars) {
+  __insert_grouping_aux(str, group_pos, grouping, separator, Plus, Minus, basechars);
+}
+#endif
+
+_STLP_MOVE_TO_STD_NAMESPACE
+
+#if defined (__SYMBIAN32__WSD__)
+template <>
+_STLP_DECLSPEC locale::id& num_put<char, ostreambuf_iterator<char, char_traits<char> > >::GetFacetLocaleId()
+    {
+	return get_libcpp_wsd().num_put_char_ostreambuf_iterator_id;
+    }
+#  ifndef _STLP_NO_WCHAR_T
+template <>
+_STLP_DECLSPEC locale::id& num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::GetFacetLocaleId()
+    {
+	return get_libcpp_wsd().num_put_wchar_ostreambuf_iterator_id;
+    }
+#  endif /* _STLP_NO_WCHAR_T */
+#endif /* __SYMBIAN32__WSD__ */
+
+//----------------------------------------------------------------------
+// Force instantiation of num_put<>
+#if !defined(_STLP_NO_FORCE_INSTANTIATE)
+template class _STLP_CLASS_DECLSPEC ostreambuf_iterator<char, char_traits<char> >;
+// template class num_put<char, char*>;
+template class num_put<char, ostreambuf_iterator<char, char_traits<char> > >;
+# ifndef _STLP_NO_WCHAR_T
+template class ostreambuf_iterator<wchar_t, char_traits<wchar_t> >;
+template class num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >;
+// template class num_put<wchar_t, wchar_t*>;
+# endif /* INSTANTIATE_WIDE_STREAMS */
+#endif
+
+#if defined(__EPOC32__)
+template <>
+locale::id num_put<char, ostreambuf_iterator<char, char_traits<char> > >::id={14};
+
+# if !defined (_STLP_NO_WCHAR_T)
+template <>
+locale::id num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >::id={33};
+# endif
+
+#endif
+
+_STLP_END_NAMESPACE
+
+// Local Variables:
+// mode:C++
+// End: