1 // Copyright 2017 PDFium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #ifndef CORE_FPDFAPI_PARSER_CPDF_PAGE_OBJECT_AVAIL_H_ 6 #define CORE_FPDFAPI_PARSER_CPDF_PAGE_OBJECT_AVAIL_H_ 7 8 #include "core/fpdfapi/parser/cpdf_object_avail.h" 9 10 // Helper for check availability of page's object tree. 11 // Exclude references to pages. 12 class CPDF_PageObjectAvail final : public CPDF_ObjectAvail { 13 public: 14 using CPDF_ObjectAvail::CPDF_ObjectAvail; 15 ~CPDF_PageObjectAvail() override; 16 17 private: 18 bool ExcludeObject(const CPDF_Object* object) const override; 19 }; 20 21 #endif // CORE_FPDFAPI_PARSER_CPDF_PAGE_OBJECT_AVAIL_H_ 22