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-rw-r--r--public/cpp/fpdf_deleters.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/public/cpp/fpdf_deleters.h b/public/cpp/fpdf_deleters.h
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+++ b/public/cpp/fpdf_deleters.h
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+// Copyright 2017 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.
+
+#ifndef PUBLIC_CPP_FPDF_DELETERS_H_
+#define PUBLIC_CPP_FPDF_DELETERS_H_
+
+#include "public/fpdf_dataavail.h"
+#include "public/fpdf_formfill.h"
+#include "public/fpdf_text.h"
+#include "public/fpdfview.h"
+
+// Custom deleters for using FPDF_* types with std::unique_ptr<>.
+
+struct FPDFAvailDeleter {
+ inline void operator()(FPDF_AVAIL avail) { FPDFAvail_Destroy(avail); }
+};
+
+struct FPDFBitmapDeleter {
+ inline void operator()(FPDF_BITMAP bitmap) { FPDFBitmap_Destroy(bitmap); }
+};
+
+struct FPDFDocumentDeleter {
+ inline void operator()(FPDF_DOCUMENT doc) { FPDF_CloseDocument(doc); }
+};
+
+struct FPDFFormHandleDeleter {
+ inline void operator()(FPDF_FORMHANDLE form) {
+ FPDFDOC_ExitFormFillEnvironment(form);
+ }
+};
+
+struct FPDFTextPageDeleter {
+ inline void operator()(FPDF_TEXTPAGE text) { FPDFText_ClosePage(text); }
+};
+
+struct FPDFPageDeleter {
+ inline void operator()(FPDF_PAGE page) { FPDF_ClosePage(page); }
+};
+
+#endif // PUBLIC_CPP_FPDF_DELETERS_H_