Add Compact Language Detection (CLD) library to Chrome. This works in Windows only currently.

BUG=none
TEST=none
Review URL: http://codereview.chromium.org/122007

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@18445 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 107 insertions, 0 deletions

diff --git a/third_party/cld/base/stl_decl_msvc.h b/third_party/cld/base/stl_decl_msvc.h
new file mode 100644
index 0000000..130b8e1
--- /dev/null
+++ b/third_party/cld/base/stl_decl_msvc.h
@@ -0,0 +1,107 @@
+// Copyright (c) 2006-2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// In most .h files, we would rather include a declaration of an stl
+// rather than including the appropriate stl h file (which brings in
+// lots of noise).  For many STL classes this is ok (eg pair), but for
+// some it's really annoying.  We define those here, so you can
+// just include this file instead of having to deal with the annoyance.
+//
+// Most of the annoyance, btw, has to do with the default allocator.
+
+#ifndef _STL_DECL_MSVC_H
+#define _STL_DECL_MSVC_H
+
+// VC++ namespace / STL issues; make them explicit
+#include <wchar.h>
+#include <string>
+#include <vector>
+#include <functional>
+#include <utility>
+#include <set>
+#include <list>
+#define slist list
+#include <algorithm>
+#include <deque>
+#include <iostream>
+#include <map>
+#include <queue>
+#include <stack>
+
+// copy_n isn't to be found anywhere in MSVC's STL
+template <typename InputIterator, typename Size, typename OutputIterator>
+std::pair<InputIterator, OutputIterator>
+copy_n(InputIterator in, Size count, OutputIterator out) {
+  for ( ; count > 0; --count) {
+    *out = *in;
+    ++out;
+    ++in;
+  }
+  return std::make_pair(in, out);
+}
+
+// Nor are the following selectors
+template <typename T>
+struct identity {
+  inline const T& operator()(const T& t) const { return t; }
+};
+
+// Copied from STLport
+template <class _Pair>
+struct select1st : public std::unary_function<_Pair, typename _Pair::first_type> {
+  const typename _Pair::first_type& operator()(const _Pair& __x) const {
+    return __x.first;
+  }
+};
+
+template <class _Pair>
+struct select2nd : public std::unary_function<_Pair, typename _Pair::second_type>
+{
+  const typename _Pair::second_type& operator()(const _Pair& __x) const {
+    return __x.second;
+  }
+};
+
+
+#if _MSC_VER >= 1300
+
+// If you compile on Windows and get a compile-time error because
+// some google3 code specifies a 3rd or 4th parameter to one of
+// these template classes, then you have to put in some #ifdefs
+// and use the NATIVE_HASH_NAMESPACE::hash_(set|map) implementation.
+namespace msvchash {
+  template <typename Key>
+  struct hash;
+
+  template <class Key,
+            class HashFcn = hash<Key> >
+  class hash_set;
+
+  template <class Key, class Val,
+            class HashFcn = hash<Key> >
+  class hash_map;
+
+  template <class Key,
+            class HashFcn = hash<Key> >
+  class hash_multiset;
+
+  template <class Key, class Val,
+            class HashFcn = hash<Key> >
+  class hash_multimap;
+}  // end namespace  msvchash
+
+using msvchash::hash_set;
+using msvchash::hash_map;
+using msvchash::hash;
+using msvchash::hash_multimap;
+using msvchash::hash_multiset;
+
+#else
+#define hash_map map
+#define hash_set set
+#endif
+
+using namespace std;
+
+#endif   /* #ifdef _STL_DECL_MSVC_H */