fpdf_scopers.h

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// Copyright 2018 The PDFium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
 
#ifndef PUBLIC_CPP_FPDF_SCOPERS_H_
#define PUBLIC_CPP_FPDF_SCOPERS_H_
 
#include <memory>
#include <type_traits>
 
#include "public/cpp/fpdf_deleters.h"
 
// Versions of FPDF types that clean up the object at scope exit.
 
using ScopedFPDFAnnotation =
    std::unique_ptr<std::remove_pointer<FPDF_ANNOTATION>::type,
                    FPDFAnnotationDeleter>;
 
using ScopedFPDFAvail =
    std::unique_ptr<std::remove_pointer<FPDF_AVAIL>::type, FPDFAvailDeleter>;
 
using ScopedFPDFBitmap =
    std::unique_ptr<std::remove_pointer<FPDF_BITMAP>::type, FPDFBitmapDeleter>;
 
using ScopedFPDFClipPath =
    std::unique_ptr<std::remove_pointer<FPDF_CLIPPATH>::type,
                    FPDFClipPathDeleter>;
 
using ScopedFPDFDocument =
    std::unique_ptr<std::remove_pointer<FPDF_DOCUMENT>::type,
                    FPDFDocumentDeleter>;
 
using ScopedFPDFFont =
    std::unique_ptr<std::remove_pointer<FPDF_FONT>::type, FPDFFontDeleter>;
 
using ScopedFPDFFormHandle =
    std::unique_ptr<std::remove_pointer<FPDF_FORMHANDLE>::type,
                    FPDFFormHandleDeleter>;
 
using ScopedFPDFJavaScriptAction =
    std::unique_ptr<std::remove_pointer<FPDF_JAVASCRIPT_ACTION>::type,
                    FPDFJavaScriptActionDeleter>;
 
using ScopedFPDFPage =
    std::unique_ptr<std::remove_pointer<FPDF_PAGE>::type, FPDFPageDeleter>;
 
using ScopedFPDFPageLink =
    std::unique_ptr<std::remove_pointer<FPDF_PAGELINK>::type,
                    FPDFPageLinkDeleter>;
 
using ScopedFPDFPageObject =
    std::unique_ptr<std::remove_pointer<FPDF_PAGEOBJECT>::type,
                    FPDFPageObjectDeleter>;
 
using ScopedFPDFStructTree =
    std::unique_ptr<std::remove_pointer<FPDF_STRUCTTREE>::type,
                    FPDFStructTreeDeleter>;
 
using ScopedFPDFTextFind =
    std::unique_ptr<std::remove_pointer<FPDF_SCHHANDLE>::type,
                    FPDFTextFindDeleter>;
 
using ScopedFPDFTextPage =
    std::unique_ptr<std::remove_pointer<FPDF_TEXTPAGE>::type,
                    FPDFTextPageDeleter>;
 
#endif  // PUBLIC_CPP_FPDF_SCOPERS_H_