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authorart-snake <art-snake@yandex-team.ru>2016-11-04 18:17:27 -0700
committerCommit bot <commit-bot@chromium.org>2016-11-04 18:17:27 -0700
commit71333dc57ac7e4cf7963c83333730b3882ab371f (patch)
treef675d5bfbe53b7803879acbe42a4663d9e390879 /core/fpdfapi/parser/cpdf_linearized.h
parent04bebfe590d6d27a825b881fd234e31501843edc (diff)
downloadpdfium-71333dc57ac7e4cf7963c83333730b3882ab371f.tar.xz
Unify some code
Move parsing of linearized header into separate CPDF_Linearized class. Review-Url: https://codereview.chromium.org/2466023002
Diffstat (limited to 'core/fpdfapi/parser/cpdf_linearized.h')
-rw-r--r--core/fpdfapi/parser/cpdf_linearized.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/core/fpdfapi/parser/cpdf_linearized.h b/core/fpdfapi/parser/cpdf_linearized.h
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+// Copyright 2016 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.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_PARSER_CPDF_LINEARIZED_H_
+#define CORE_FPDFAPI_PARSER_CPDF_LINEARIZED_H_
+
+#include <memory>
+
+#include "core/fxcrt/fx_memory.h"
+#include "core/fxcrt/fx_stream.h"
+
+class CPDF_Dictionary;
+class CPDF_Object;
+
+class CPDF_Linearized {
+ public:
+ ~CPDF_Linearized();
+ static std::unique_ptr<CPDF_Linearized> CreateForObject(
+ std::unique_ptr<CPDF_Object> pObj);
+
+ // Will only return values > 0.
+ FX_FILESIZE GetFileSize() const { return m_szFileSize; }
+ uint32_t GetFirstPageNo() const { return m_dwFirstPageNo; }
+ // Will only return values > 0.
+ FX_FILESIZE GetLastXRefOffset() const { return m_szLastXRefOffset; }
+ uint32_t GetPageCount() const { return m_PageCount; }
+ // Will only return values > 0.
+ FX_FILESIZE GetFirstPageEndOffset() const { return m_szFirstPageEndOffset; }
+ // Will only return values > 0.
+ uint32_t GetFirstPageObjNum() const { return m_FirstPageObjNum; }
+
+ bool HasHintTable() const;
+ // Will only return values > 0.
+ FX_FILESIZE GetHintStart() const { return m_szHintStart; }
+ // Will only return values > 0.
+ FX_FILESIZE GetHintLength() const { return m_szHintLength; }
+
+ protected:
+ explicit CPDF_Linearized(const CPDF_Dictionary* pDict);
+
+ private:
+ FX_FILESIZE m_szFileSize = 0;
+ uint32_t m_dwFirstPageNo = 0;
+ FX_FILESIZE m_szLastXRefOffset = 0;
+ uint32_t m_PageCount = 0;
+ FX_FILESIZE m_szFirstPageEndOffset = 0;
+ uint32_t m_FirstPageObjNum = 0;
+ FX_FILESIZE m_szHintStart = 0;
+ FX_FILESIZE m_szHintLength = 0;
+};
+
+#endif // CORE_FPDFAPI_PARSER_CPDF_LINEARIZED_H_