1 files changed, 48 insertions, 0 deletions
diff --git a/core/fxcrt/fx_unicode.h b/core/fxcrt/fx_unicode.h
new file mode 100644
index 0000000000..a4a237ae6d
--- /dev/null
+++ b/core/fxcrt/fx_unicode.h
@@ -0,0 +1,48 @@
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FXCRT_FX_UNICODE_H_
+#define CORE_FXCRT_FX_UNICODE_H_
+
+#include "core/fxcrt/cfx_retain_ptr.h"
+
+uint32_t FX_GetUnicodeProperties(wchar_t wch);
+wchar_t FX_GetMirrorChar(wchar_t wch);
+
+#ifdef PDF_ENABLE_XFA
+
+// As defined in http://www.unicode.org/reports/tr14
+constexpr uint8_t kBreakPropertySpace = 35;
+constexpr uint8_t kBreakPropertyTB = 37;  // Don't know what this is ...
+
+constexpr uint32_t FX_CHARTYPEBITS = 11;
+constexpr uint32_t FX_CHARTYPEBITSMASK = 0xF << FX_CHARTYPEBITS;
+
+enum FX_CHARTYPE {
+  FX_CHARTYPE_Unknown = 0,
+  FX_CHARTYPE_Tab = (1 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_Space = (2 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_Control = (3 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_Combination = (4 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_Numeric = (5 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_Normal = (6 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_ArabicAlef = (7 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_ArabicSpecial = (8 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_ArabicDistortion = (9 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_ArabicNormal = (10 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_ArabicForm = (11 << FX_CHARTYPEBITS),
+  FX_CHARTYPE_Arabic = (12 << FX_CHARTYPEBITS),
+};
+
+inline FX_CHARTYPE GetCharTypeFromProp(uint32_t prop) {
+  return static_cast<FX_CHARTYPE>(prop & FX_CHARTYPEBITSMASK);
+}
+
+wchar_t FX_GetMirrorChar(wchar_t wch, uint32_t dwProps);
+
+#endif  // PDF_ENABLE_XFA
+
+#endif  // CORE_FXCRT_FX_UNICODE_H_