diff mbox

[3/3] libstdc++: Add get_time support.

Message ID 20141222134535.GM3134@redhat.com
State New
Headers show

Commit Message

Jonathan Wakely Dec. 22, 2014, 1:45 p.m. UTC
On 15/04/14 23:20 +0200, RĂ¼diger Sonderfeld wrote:
>* libstdc++-v3/include/std/iomanip (_Get_time): New struct.
>  (get_time): New manipulator [ext.manip].
>  (operator>>): New overloaded function.
>* libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/1.cc:
>* libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc:
>* libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/1.cc:
>* libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc:
>  New file.

Committed as attached - thanks for the patches, after this there are
very few C++11 features missing from libstdc++!
diff mbox

Patch

commit bec22aeacafd666944490aebc1afa007e0043f8f
Author: Jonathan Wakely <jwakely@redhat.com>
Date:   Tue Oct 14 13:31:28 2014 +0100

    2014-12-22  R??diger Sonderfeld  <ruediger@c-plusplus.de>
    
    	PR libstdc++/54354
    	* include/std/iomanip (_Get_time): New struct.
    	(get_time): New manipulator.
    	(operator<<): New overloaded function.
    	* testsuite/27_io/manipulators/extended/get_time/char/1.cc: New.
    	* testsuite/27_io/manipulators/extended/get_time/char/2.cc: New.
    	* testsuite/27_io/manipulators/extended/get_time/wchar_t/1.cc: New.
    	* testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc: New.

diff --git a/libstdc++-v3/include/std/iomanip b/libstdc++-v3/include/std/iomanip
index fce74c9..080dae3 100644
--- a/libstdc++-v3/include/std/iomanip
+++ b/libstdc++-v3/include/std/iomanip
@@ -392,6 +392,60 @@  _GLIBCXX_BEGIN_NAMESPACE_VERSION
       return __os;
     }
 
+  template<typename _CharT>
+    struct _Get_time
+    {
+      std::tm*	    _M_tmb;
+      const _CharT* _M_fmt;
+    };
+
+  /**
+   *  @brief  Extended manipulator for extracting time.
+   *
+   *  This manipulator uses time_get::get to extract time.
+   *  [ext.manip]
+   *
+   *  @param __tmb  struct to extract the time data to.
+   *  @param __fmt  format string.
+   */
+  template<typename _CharT>
+    inline _Get_time<_CharT>
+    get_time(std::tm* __tmb, const _CharT* __fmt)
+    { return { __tmb, __fmt }; }
+
+  template<typename _CharT, typename _Traits>
+    basic_istream<_CharT, _Traits>&
+    operator>>(basic_istream<_CharT, _Traits>& __is, _Get_time<_CharT> __f)
+    {
+      typename basic_istream<_CharT, _Traits>::sentry __cerb(__is, false);
+      if (__cerb)
+        {
+          ios_base::iostate __err = ios_base::goodbit;
+          __try
+            {
+              typedef istreambuf_iterator<_CharT, _Traits>   _Iter;
+              typedef time_get<_CharT, _Iter>                _TimeGet;
+
+              const _CharT* const __fmt_end = __f._M_fmt +
+                _Traits::length(__f._M_fmt);
+
+              const _TimeGet& __mg = use_facet<_TimeGet>(__is.getloc());
+              __mg.get(_Iter(__is.rdbuf()), _Iter(), __is,
+                       __err, __f._M_tmb, __f._M_fmt, __fmt_end);
+            }
+          __catch(__cxxabiv1::__forced_unwind&)
+            {
+              __is._M_setstate(ios_base::badbit);
+              __throw_exception_again;
+            }
+          __catch(...)
+            { __is._M_setstate(ios_base::badbit); }
+          if (__err)
+            __is.setstate(__err);
+        }
+      return __is;
+    }
+
 #if __cplusplus > 201103L
 
 #define __cpp_lib_quoted_string_io 201304
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/1.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/1.cc
new file mode 100644
index 0000000..07f0111
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/1.cc
@@ -0,0 +1,49 @@ 
+// { dg-options " -std=gnu++11 " }
+
+// 2014-04-14 R??diger Sonderfeld  <ruediger@c-plusplus.de>
+
+// Copyright (C) 2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.7.5. (C++11) Extended manipulators [ext.manip]: put_time
+
+#include <locale>
+#include <sstream>
+#include <iomanip>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+  locale loc_c = locale::classic();
+  istringstream iss;
+  iss.imbue(loc_c);
+  iss.str("12:01:30  1971");
+  tm time1;
+  iss >> get_time(&time1, "%H:%M:%S %Y");
+  VERIFY( static_cast<bool>(iss) );
+  VERIFY(time1.tm_hour == 12);
+  VERIFY(time1.tm_min == 1);
+  VERIFY(time1.tm_sec == 30);
+  VERIFY(time1.tm_year == 71);
+}
+
+int main()
+{
+  test01();
+}
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc
new file mode 100644
index 0000000..fcba0c7
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/char/2.cc
@@ -0,0 +1,49 @@ 
+// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-options " -std=gnu++11 " }
+
+// 2014-04-14 R??diger Sonderfeld  <ruediger@c-plusplus.de>
+
+// Copyright (C) 2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.7.5. (C++11) Extended manipulators [ext.manip]: put_time
+
+#include <locale>
+#include <sstream>
+#include <iomanip>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+  locale loc_c = locale::classic();
+  locale loc_de = locale("de_DE.utf8");
+  VERIFY( loc_de != loc_c );
+  istringstream iss;
+  iss.imbue(loc_de);
+  iss.str("Di 1971");
+  tm time1;
+  iss >> get_time(&time1, "%a %Y");
+  VERIFY(time1.tm_wday == 2);
+  VERIFY(time1.tm_year == 71);
+}
+
+int main()
+{
+  test01();
+}
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/1.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/1.cc
new file mode 100644
index 0000000..ed0325a
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/1.cc
@@ -0,0 +1,49 @@ 
+// { dg-options " -std=gnu++11 " }
+
+// 2014-04-14 R??diger Sonderfeld  <ruediger@c-plusplus.de>
+
+// Copyright (C) 2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.7.5. (C++11) Extended manipulators [ext.manip]: put_time
+
+#include <locale>
+#include <sstream>
+#include <iomanip>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+  locale loc_c = locale::classic();
+  wistringstream iss;
+  iss.imbue(loc_c);
+  iss.str(L"12:01:30  1971");
+  tm time1;
+  iss >> get_time(&time1, L"%H:%M:%S %Y");
+  VERIFY( static_cast<bool>(iss) );
+  VERIFY(time1.tm_hour = 12);
+  VERIFY(time1.tm_min = 1);
+  VERIFY(time1.tm_sec == 30);
+  VERIFY(time1.tm_year == 71);
+}
+
+int main()
+{
+  test01();
+}
diff --git a/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc
new file mode 100644
index 0000000..4d28498
--- /dev/null
+++ b/libstdc++-v3/testsuite/27_io/manipulators/extended/get_time/wchar_t/2.cc
@@ -0,0 +1,50 @@ 
+// { dg-require-namedlocale "de_DE.utf8" }
+// { dg-options " -std=gnu++11 " }
+
+// 2014-04-14 R??diger Sonderfeld  <ruediger@c-plusplus.de>
+
+// Copyright (C) 2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+// 27.7.5. (C++11) Extended manipulators [ext.manip]: put_time
+
+#include <locale>
+#include <sstream>
+#include <iomanip>
+#include <iostream>
+#include <testsuite_hooks.h>
+
+void test01()
+{
+  using namespace std;
+  bool test __attribute__((unused)) = true;
+  locale loc_c = locale::classic();
+  locale loc_de = locale("de_DE.utf8");
+  VERIFY( loc_de != loc_c );
+  wistringstream iss;
+  iss.imbue(loc_de);
+  iss.str(L"Montag 1971");
+  tm time1;
+  iss >> get_time(&time1, L"%A %Y");
+  VERIFY(time1.tm_wday == 1);
+  VERIFY(time1.tm_year == 71);
+}
+
+int main()
+{
+  test01();
+}