| // Copyright 2015 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_SYMBOLS_ITERATOR_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_SYMBOLS_ITERATOR_H_ |
| |
| #include <memory> |
| |
| #include "base/macros.h" |
| #include "third_party/blink/renderer/platform/fonts/font_fallback_priority.h" |
| #include "third_party/blink/renderer/platform/fonts/utf16_ragel_iterator.h" |
| #include "third_party/blink/renderer/platform/wtf/allocator/allocator.h" |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT SymbolsIterator { |
| USING_FAST_MALLOC(SymbolsIterator); |
| |
| public: |
| SymbolsIterator(const UChar* buffer, unsigned buffer_size); |
| |
| bool Consume(unsigned* symbols_limit, FontFallbackPriority*); |
| |
| private: |
| UTF16RagelIterator buffer_iterator_; |
| unsigned cursor_; |
| |
| unsigned next_token_end_; |
| bool next_token_emoji_; |
| |
| DISALLOW_COPY_AND_ASSIGN(SymbolsIterator); |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_FONTS_SYMBOLS_ITERATOR_H_ |