1 // Copyright 2014 The PDFium Authors 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com 6 7 #ifndef XFA_FGAS_LAYOUT_FGAS_ARABIC_H_ 8 #define XFA_FGAS_LAYOUT_FGAS_ARABIC_H_ 9 10 #include "third_party/abseil-cpp/absl/types/optional.h" 11 12 class CFGAS_Char; 13 14 namespace pdfium { 15 namespace arabic { 16 17 constexpr wchar_t kArabicLetterLam = 0x0644; 18 constexpr wchar_t kArabicLetterHeh = 0x0647; 19 constexpr wchar_t kArabicShadda = 0x0651; 20 constexpr wchar_t kArabicLetterSuperscriptAlef = 0x0670; 21 22 wchar_t GetFormChar(wchar_t wch, wchar_t prev, wchar_t next); 23 wchar_t GetFormChar(const CFGAS_Char* cur, 24 const CFGAS_Char* prev, 25 const CFGAS_Char* next); 26 absl::optional<wchar_t> GetArabicFromShaddaTable(wchar_t shadda); 27 28 } // namespace arabic 29 } // namespace pdfium 30 31 #endif // XFA_FGAS_LAYOUT_FGAS_ARABIC_H_ 32