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extern/stdcxx/4.2.1/include/loc/_time_put.cc

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+/***************************************************************************
+ *
+ * _time_put.cc - definition of std::time_put members
+ *
+ * $Id: _time_put.cc 597438 2007-11-22 15:44:53Z faridz $
+ *
+ ***************************************************************************
+ *
+ * Licensed to the Apache Software  Foundation (ASF) under one or more
+ * contributor  license agreements.  See  the NOTICE  file distributed
+ * with  this  work  for  additional information  regarding  copyright
+ * ownership.   The ASF  licenses this  file to  you under  the Apache
+ * License, Version  2.0 (the  "License"); you may  not use  this file
+ * except in  compliance with the License.   You may obtain  a copy of
+ * the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the  License is distributed on an  "AS IS" BASIS,
+ * WITHOUT  WARRANTIES OR CONDITIONS  OF ANY  KIND, either  express or
+ * implied.   See  the License  for  the  specific language  governing
+ * permissions and limitations under the License.
+ *
+ * Copyright 1994-2006 Rogue Wave Software.
+ * 
+ **************************************************************************/
+
+#include <streambuf>
+#include <rw/_iosbase.h>
+#include <loc/_ctype.h>
+
+
+_RWSTD_NAMESPACE (__rw) {
+
+
+// defined in time_put.cpp
+_RWSTD_EXPORT char*
+__rw_put_time (const __rw_facet*, char*, _RWSTD_SIZE_T,
+               _STD::ios_base&, char, const _RWSTD_C::tm*,
+               char, char, int, int);
+
+#ifndef _RWSTD_NO_WCHAR_T
+
+// defined in time_put.cpp
+_RWSTD_EXPORT wchar_t*
+__rw_put_time (const __rw_facet*, wchar_t*, _RWSTD_SIZE_T,
+               _STD::ios_base&, wchar_t, const _RWSTD_C::tm*,
+               char, char, int, int);
+
+#endif   // _RWSTD_NO_WCHAR_T
+
+}   // namespace __rw
+
+
+_RWSTD_NAMESPACE (std) { 
+
+
+template <class _CharT, class _OutputIter>
+_RW::__rw_facet_id time_put<_CharT, _OutputIter>::id;
+
+
+template <class _CharT, class _OutputIter /* = ostreambuf_iterator<_CharT> */ >
+/* virtual */ _TYPENAME time_put<_CharT, _OutputIter>::iter_type
+time_put<_CharT, _OutputIter>::
+do_put (iter_type __it, ios_base &__flags, char_type __fill,
+        const tm *__tmb, char __fmt, char __modifier /* = 0 */) const
+{
+    char_type __buf [256];
+
+    const char_type *__end =
+        _RW::__rw_put_time (this, __buf + 0, sizeof __buf / sizeof *__buf,
+                            __flags, __fill, __tmb, __fmt, __modifier, -1, -1);
+
+    // number of fill chars to pad with
+    streamsize __pad = __flags.width () - streamsize (__end - __buf);
+
+    // adjustfield bits (left, internal, or the default right)
+    const int __adj = __flags.flags () & _RWSTD_IOS_ADJUSTFIELD;
+
+    if (__pad > 0 && _RWSTD_IOS_LEFT != __adj) {
+
+        // right justify unless left justification requested
+        for (; __pad--; ++__it)
+            *__it = __fill;
+    }
+
+    for (const char_type *__p = __buf; __p != __end; ++__p, ++__it) {
+        *__it = *__p;
+    }
+
+    // left justify if necessary
+    for (; __pad-- > 0; ++__it)
+        *__it = __fill;
+
+    return __it;
+}
+
+
+template <class _CharT, class _OutputIter /* = ostreambuf_iterator<_CharT> */ >
+_TYPENAME time_put<_CharT, _OutputIter>::iter_type
+time_put<_CharT, _OutputIter>::
+put (iter_type __it, ios_base &__flags, char_type __fill, const tm *__tmb,
+     const char_type *__pat, const char_type *__end) const
+{
+    _RWSTD_ASSERT (0 != __pat);
+
+    if (!__end)   // convenience extension
+        __end = __pat + char_traits<char_type>::length (__pat);
+
+    const ctype<char_type> &__ctp = 
+      _RWSTD_USE_FACET (ctype<char_type>, __flags.getloc ());
+    
+    for (; __pat != __end; ++__pat) {
+
+        if ('%' == __ctp.narrow (*__pat, 0) && __pat + 1 < __end) {
+
+            char __fmtmod = __ctp.narrow (*++__pat, 0);   // format modifier
+            char __fmt;                                   // format specifier
+
+            if ('E' == __fmtmod) {
+
+                __fmt = __ctp.narrow (__pat [1], 0);
+
+                switch (__fmt) {
+                    // check valid format modifiers
+                case 'c': case 'C': case 'x': case 'X': case 'y': case 'Y':
+                    ++__pat;
+                    break;
+
+                case '\0':
+                    break;
+
+                default:
+                    __fmt = 0;   // `pat' doesn't point to a valid format
+                }
+            }
+            else if ('O' == __fmtmod) {
+
+                __fmt = __ctp.narrow (__pat [1], 0);
+
+                switch (__fmt) {
+                    // check valid format modifiers
+                case 'd': case 'e': case 'H': case 'I': case 'm': case 'M':
+                case 'S': case 'u': case 'U': case 'V': case 'w': case 'W':
+                case 'y':
+                    ++__pat;
+                    break;
+
+                case '\0':
+                    break;
+
+                default:
+                    __fmt = 0;   // `pat' doesn't point to a valid format
+                }
+            }
+            else {
+                __fmt    = __fmtmod;
+                __fmtmod = 0;
+            }
+
+            if (char (-1) != __fmt) {
+                __it = do_put (__it, __flags, __fill, __tmb, __fmt, __fmtmod);
+                continue;
+            }
+        }
+
+        *__it = *__pat;
+        ++__it;
+    }
+
+    return __it;
+}
+
+
+}   // namespace std