Implement regex_iterator and regex_token_iterator.

2013-07-23  Tim Shen  <timshen91@gmail.com>

	Implement regex_iterator and regex_token_iterator.
	* include/bits/regex.h: regex_iterator and regex_token_iterator.
	* testsuite/28_regex/iterators/regex_iterator/char/string_01.cc:
	New.
	* testsuite/28_regex/iterators/regex_iterator/wchar_t/string_01.cc:
	New.
	* testsuite/28_regex/iterators/regex_token_iterator/char/string_01.cc:
	New.
	* testsuite/28_regex/iterators/regex_token_iterator/wchar_t/string_01.cc:
	New.

From-SVN: r201169

4 files changed, 208 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/char/string_01.cc b/libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/char/string_01.cc
new file mode 100644
index 00000000000..066b6bade13
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/char/string_01.cc
@@ -0,0 +1,52 @@
+// { dg-options "-std=gnu++11" }
+
+//
+// 2013-07-20  Tim Shen <timshen91@gmail.com>
+//
+// Copyright (C) 2013 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/>.
+
+// 28.12.1 regex_iterator
+// Tests operator++() of regex_iterator class
+
+#include <regex>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::basic_regex<char> re("asdf");
+  const char s[] = "ffasdf88asdf99asdf00asdf77";
+  int cnt = 0;
+  for (std::regex_iterator<const char*> it(s, *(&s+1)-1, re), e;
+       it != e; ++it)
+    {
+      VERIFY( it->size() == 1 );
+      VERIFY( std::string((*it)[0].first, (*it)[0].second) == "asdf" );
+      cnt++;
+    }
+  VERIFY( cnt == 4 );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/wchar_t/string_01.cc b/libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/wchar_t/string_01.cc
new file mode 100644
index 00000000000..1b6e9a5464f
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/iterators/regex_iterator/wchar_t/string_01.cc
@@ -0,0 +1,52 @@
+// { dg-options "-std=gnu++11" }
+
+//
+// 2013-07-20  Tim Shen <timshen91@gmail.com>
+//
+// Copyright (C) 2013 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/>.
+
+// 28.12.1 regex_iterator
+// Tests operator++() of regex_iterator class
+
+#include <regex>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::basic_regex<wchar_t> re(L"asdf");
+  const wchar_t s[] = L"ffasdf88asdf99asdf00asdf77";
+  int cnt = 0;
+  for (std::regex_iterator<const wchar_t*> it(s, *(&s+1)-1, re), e;
+       it != e; ++it)
+    {
+      VERIFY( it->size() == 1 );
+      VERIFY( std::wstring((*it)[0].first, (*it)[0].second) == L"asdf" );
+      cnt++;
+    }
+  VERIFY( cnt == 4 );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/char/string_01.cc b/libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/char/string_01.cc
new file mode 100644
index 00000000000..7f2f1afd5fe
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/char/string_01.cc
@@ -0,0 +1,52 @@
+// { dg-options "-std=gnu++11" }
+
+//
+// 2013-07-20  Tim Shen <timshen91@gmail.com>
+//
+// Copyright (C) 2013 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/>.
+
+// 28.12.2 regex_token_iterator
+// Tests "split" of regex_token_iterator class
+
+#include <regex>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::basic_regex<char> re(" ");
+  const char s[] = "Quick brown fox.";
+  int cnt = 0;
+  std::cregex_token_iterator iter(s, *(&s+1)-1, re, -1);
+  VERIFY( std::string(iter->first, iter->second) == "Quick" );
+  ++iter;
+  VERIFY( std::string(iter->first, iter->second) == "brown" );
+  ++iter;
+  VERIFY( std::string(iter->first, iter->second) == "fox." );
+  ++iter;
+  VERIFY( iter == std::cregex_token_iterator() );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}
diff --git a/libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/wchar_t/string_01.cc b/libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/wchar_t/string_01.cc
new file mode 100644
index 00000000000..239ef943f75
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/iterators/regex_token_iterator/wchar_t/string_01.cc
@@ -0,0 +1,52 @@
+// { dg-options "-std=gnu++11" }
+
+//
+// 2013-07-20  Tim Shen <timshen91@gmail.com>
+//
+// Copyright (C) 2013 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/>.
+
+// 28.12.2 regex_token_iterator
+// Tests "split" of regex_token_iterator class
+
+#include <regex>
+#include <testsuite_hooks.h>
+
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::basic_regex<wchar_t> re(L" ");
+  const wchar_t s[] = L"Quick brown fox.";
+  int cnt = 0;
+  std::wcregex_token_iterator iter(s, *(&s+1)-1, re, -1);
+  VERIFY( std::wstring(iter->first, iter->second) == L"Quick" );
+  ++iter;
+  VERIFY( std::wstring(iter->first, iter->second) == L"brown" );
+  ++iter;
+  VERIFY( std::wstring(iter->first, iter->second) == L"fox." );
+  ++iter;
+  VERIFY( iter == std::wcregex_token_iterator() );
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}