[chromium-reviews] Add Compact Language Detection (CLD) library to Chrome. This works in Windows...

third_party/cld/bar/toolbar/cld/i18n/encodings/compact_lang_det/win/normalizedunicodetext.h

Index: third_party/cld/bar/toolbar/cld/i18n/encodings/compact_lang_det/win/normalizedunicodetext.h
===================================================================
--- third_party/cld/bar/toolbar/cld/i18n/encodings/compact_lang_det/win/normalizedunicodetext.h	(revision 0)
+++ third_party/cld/bar/toolbar/cld/i18n/encodings/compact_lang_det/win/normalizedunicodetext.h	(revision 0)
@@ -0,0 +1,67 @@
+// 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.
+
+#ifndef BAR_TOOLBAR_CLD_I18N_ENCODINGS_COMPACT_LANG_DET_WIN_NORMALIZEDUNICODETEXT_H_
+#define BAR_TOOLBAR_CLD_I18N_ENCODINGS_COMPACT_LANG_DET_WIN_NORMALIZEDUNICODETEXT_H_
+
+#include <tchar.h>
+#include <windows.h>
+
+#include "third_party/cld/bar/toolbar/cld/i18n/encodings/compact_lang_det/win/cld_scopedptr.h"
+
+
+#if (WINVER < 0x0600)
+// Copied from winnls.h, we're not using the latest SDK yet.
+typedef enum _NORM_FORM {
+  NormalizationOther  = 0,
+  NormalizationC = 0x1,
+  NormalizationD = 0x2,
+  NormalizationKC = 0x5,
+  NormalizationKD = 0x6
+} NORM_FORM;
+#endif
+
+
+// Gives you back a normalized version of the input text.  Normalization is
+// performed to the specified form.
+// Instance lifetime should be within the lifetime span of the 'text'.
+class NormalizedUnicodeText {
+ public:
+  // Creates an empty instance of NormalizedUnicodeText.
+  NormalizedUnicodeText();
+
+  // Creates a fully initialized instance of NormalizedUnicodeText.
+  // [in] normalization_form - normalization rule set (see MSDN for details).
+  // [in] text - zero-terminated UTF-16 encoded string.
+  // Returns 0 in case of success, Win32 error code in case of failure.
+  //     In case of failure, get() returns the original text.
+  DWORD Normalize(NORM_FORM normalization_form, const WCHAR* text);
+
+  // Returns pointer to the normalized text.
+  const WCHAR* get() const { return normalized_text_; }
+
+ private:
+  // Normalizes 'text' by the 'normalization_form' rules.
+  // [in] normalization_form - normalization rule set (see MSDN for details).
+  // [in] text - zero-terminated UTF-16 encoded string.
+  // [out] error_code - Win32 error code.
+  const WCHAR* TryToNormalizeText(NORM_FORM normalization_form,
+                                  const WCHAR* text, DWORD *error_code);
+
+  // Pointer to the normalized text.
+  const WCHAR* normalized_text_;
+  // When the source text is already normalized by the requested normalization
+  // form, text_ is not used and normalized_text_ just points to the source
+  // text. When the source text requres normalization, text_ contains normalized
+  // version of the source text and normalized_text_ points to this buffer.
+  // Since CLD requires NormalizationC form and the overwhelming majority of all
+  // texts in the Internet is already normalized to this form, it's expected
+  // that this class will not introduce any runtime memory overhead.
+  scoped_array<WCHAR> text_;
+
+  DISALLOW_COPY_AND_ASSIGN(NormalizedUnicodeText);
+};
+
+
+#endif  // BAR_TOOLBAR_CLD_I18N_ENCODINGS_COMPACT_LANG_DET_WIN_NORMALIZEDUNICODETEXT_H_
Property changes on: third_party\cld\bar\toolbar\cld\i18n\encodings\compact_lang_det\win\normalizedunicodetext.h
___________________________________________________________________
Added: svn:eol-style
   + LF