// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#ifndef CORE_FXCRT_INCLUDE_FX_BASIC_H_
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#define CORE_FXCRT_INCLUDE_FX_BASIC_H_
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#include <algorithm>
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#include <memory>
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#include "core/fxcrt/include/fx_memory.h"
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#include "core/fxcrt/include/fx_stream.h"
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#include "core/fxcrt/include/fx_string.h"
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#include "core/fxcrt/include/fx_system.h"
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class CFX_BinaryBuf {
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public:
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CFX_BinaryBuf();
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explicit CFX_BinaryBuf(FX_STRSIZE size);
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~CFX_BinaryBuf();
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uint8_t* GetBuffer() const { return m_pBuffer.get(); }
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FX_STRSIZE GetSize() const { return m_DataSize; }
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void Clear();
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void EstimateSize(FX_STRSIZE size, FX_STRSIZE alloc_step = 0);
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void AppendBlock(const void* pBuf, FX_STRSIZE size);
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void AppendString(const CFX_ByteString& str) {
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AppendBlock(str.c_str(), str.GetLength());
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}
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void AppendByte(uint8_t byte) {
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ExpandBuf(1);
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m_pBuffer.get()[m_DataSize++] = byte;
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}
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void InsertBlock(FX_STRSIZE pos, const void* pBuf, FX_STRSIZE size);
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void Delete(int start_index, int count);
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// Takes ownership of |pBuf|.
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void AttachData(uint8_t* pBuf, FX_STRSIZE size);
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// Releases ownership of |m_pBuffer| and returns it.
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uint8_t* DetachBuffer();
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protected:
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void ExpandBuf(FX_STRSIZE size);
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FX_STRSIZE m_AllocStep;
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FX_STRSIZE m_AllocSize;
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FX_STRSIZE m_DataSize;
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std::unique_ptr<uint8_t, FxFreeDeleter> m_pBuffer;
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};
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class CFX_ByteTextBuf : public CFX_BinaryBuf {
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public:
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FX_STRSIZE GetLength() const { return m_DataSize; }
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CFX_ByteString MakeString() const {
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return CFX_ByteString(m_pBuffer.get(), m_DataSize);
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}
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CFX_ByteStringC AsStringC() const {
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return CFX_ByteStringC(m_pBuffer.get(), m_DataSize);
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}
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void AppendChar(int ch) { AppendByte(static_cast<uint8_t>(ch)); }
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CFX_ByteTextBuf& operator<<(int i);
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CFX_ByteTextBuf& operator<<(uint32_t i);
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CFX_ByteTextBuf& operator<<(double f);
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CFX_ByteTextBuf& operator<<(const FX_CHAR* pStr) {
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return *this << CFX_ByteStringC(pStr);
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}
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CFX_ByteTextBuf& operator<<(const CFX_ByteString& str) {
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return *this << str.AsStringC();
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}
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CFX_ByteTextBuf& operator<<(const CFX_ByteStringC& lpsz);
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CFX_ByteTextBuf& operator<<(const CFX_ByteTextBuf& buf);
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};
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class CFX_WideTextBuf : public CFX_BinaryBuf {
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public:
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void AppendChar(FX_WCHAR wch);
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FX_STRSIZE GetLength() const { return m_DataSize / sizeof(FX_WCHAR); }
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FX_WCHAR* GetBuffer() const {
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return reinterpret_cast<FX_WCHAR*>(m_pBuffer.get());
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}
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CFX_WideStringC AsStringC() const {
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return CFX_WideStringC(reinterpret_cast<const FX_WCHAR*>(m_pBuffer.get()),
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m_DataSize / sizeof(FX_WCHAR));
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}
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CFX_WideString MakeString() const {
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return CFX_WideString(reinterpret_cast<const FX_WCHAR*>(m_pBuffer.get()),
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m_DataSize / sizeof(FX_WCHAR));
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}
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void Delete(int start_index, int count) {
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CFX_BinaryBuf::Delete(start_index * sizeof(FX_WCHAR),
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count * sizeof(FX_WCHAR));
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}
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CFX_WideTextBuf& operator<<(int i);
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CFX_WideTextBuf& operator<<(double f);
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CFX_WideTextBuf& operator<<(const FX_WCHAR* lpsz);
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CFX_WideTextBuf& operator<<(const CFX_WideStringC& str);
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CFX_WideTextBuf& operator<<(const CFX_WideString& str);
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CFX_WideTextBuf& operator<<(const CFX_WideTextBuf& buf);
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};
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class CFX_FileBufferArchive {
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public:
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CFX_FileBufferArchive();
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~CFX_FileBufferArchive();
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void Clear();
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bool Flush();
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int32_t AppendBlock(const void* pBuf, size_t size);
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int32_t AppendByte(uint8_t byte);
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int32_t AppendDWord(uint32_t i);
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int32_t AppendString(const CFX_ByteStringC& lpsz);
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// |pFile| must outlive the CFX_FileBufferArchive.
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void AttachFile(IFX_StreamWrite* pFile);
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private:
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static const size_t kBufSize = 32768;
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size_t m_Length;
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std::unique_ptr<uint8_t, FxFreeDeleter> m_pBuffer;
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IFX_StreamWrite* m_pFile;
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};
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class CFX_CharMap {
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public:
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static CFX_ByteString GetByteString(uint16_t codepage,
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const CFX_WideStringC& wstr);
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static CFX_WideString GetWideString(uint16_t codepage,
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const CFX_ByteStringC& bstr);
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CFX_CharMap() = delete;
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};
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class CFX_UTF8Decoder {
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public:
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CFX_UTF8Decoder() { m_PendingBytes = 0; }
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void Clear();
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void Input(uint8_t byte);
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void AppendChar(uint32_t ch);
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void ClearStatus() { m_PendingBytes = 0; }
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CFX_WideStringC GetResult() const { return m_Buffer.AsStringC(); }
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protected:
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int m_PendingBytes;
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uint32_t m_PendingChar;
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CFX_WideTextBuf m_Buffer;
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};
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class CFX_UTF8Encoder {
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public:
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CFX_UTF8Encoder() {}
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void Input(FX_WCHAR unicode);
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void AppendStr(const CFX_ByteStringC& str) { m_Buffer << str; }
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CFX_ByteStringC GetResult() const { return m_Buffer.AsStringC(); }
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protected:
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CFX_ByteTextBuf m_Buffer;
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};
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class CFX_BasicArray {
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protected:
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explicit CFX_BasicArray(int unit_size);
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CFX_BasicArray(const CFX_BasicArray&) = delete;
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~CFX_BasicArray();
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FX_BOOL SetSize(int nNewSize);
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FX_BOOL Append(const CFX_BasicArray& src);
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FX_BOOL Copy(const CFX_BasicArray& src);
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uint8_t* InsertSpaceAt(int nIndex, int nCount);
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FX_BOOL RemoveAt(int nIndex, int nCount);
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FX_BOOL InsertAt(int nStartIndex, const CFX_BasicArray* pNewArray);
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const void* GetDataPtr(int index) const;
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protected:
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uint8_t* m_pData;
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int m_nSize;
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int m_nMaxSize;
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int m_nUnitSize;
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};
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template <class TYPE>
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class CFX_ArrayTemplate : public CFX_BasicArray {
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public:
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CFX_ArrayTemplate() : CFX_BasicArray(sizeof(TYPE)) {}
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int GetSize() const { return m_nSize; }
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int GetUpperBound() const { return m_nSize - 1; }
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FX_BOOL SetSize(int nNewSize) { return CFX_BasicArray::SetSize(nNewSize); }
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void RemoveAll() { SetSize(0); }
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const TYPE GetAt(int nIndex) const {
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if (nIndex < 0 || nIndex >= m_nSize) {
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PDFIUM_IMMEDIATE_CRASH();
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}
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return ((const TYPE*)m_pData)[nIndex];
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}
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FX_BOOL SetAt(int nIndex, TYPE newElement) {
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if (nIndex < 0 || nIndex >= m_nSize) {
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return FALSE;
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}
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((TYPE*)m_pData)[nIndex] = newElement;
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return TRUE;
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}
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TYPE& ElementAt(int nIndex) {
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if (nIndex < 0 || nIndex >= m_nSize) {
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PDFIUM_IMMEDIATE_CRASH();
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}
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return ((TYPE*)m_pData)[nIndex];
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}
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const TYPE* GetData() const { return (const TYPE*)m_pData; }
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TYPE* GetData() { return (TYPE*)m_pData; }
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FX_BOOL SetAtGrow(int nIndex, TYPE newElement) {
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if (nIndex < 0)
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return FALSE;
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if (nIndex >= m_nSize && !SetSize(nIndex + 1))
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return FALSE;
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((TYPE*)m_pData)[nIndex] = newElement;
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return TRUE;
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}
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FX_BOOL Add(TYPE newElement) {
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if (m_nSize < m_nMaxSize) {
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m_nSize++;
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} else if (!SetSize(m_nSize + 1)) {
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return FALSE;
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}
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((TYPE*)m_pData)[m_nSize - 1] = newElement;
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return TRUE;
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}
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FX_BOOL Append(const CFX_ArrayTemplate& src) {
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return CFX_BasicArray::Append(src);
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}
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FX_BOOL Copy(const CFX_ArrayTemplate& src) {
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return CFX_BasicArray::Copy(src);
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}
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TYPE* GetDataPtr(int index) {
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return (TYPE*)CFX_BasicArray::GetDataPtr(index);
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}
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TYPE* AddSpace() { return (TYPE*)CFX_BasicArray::InsertSpaceAt(m_nSize, 1); }
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TYPE* InsertSpaceAt(int nIndex, int nCount) {
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return (TYPE*)CFX_BasicArray::InsertSpaceAt(nIndex, nCount);
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}
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const TYPE operator[](int nIndex) const {
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if (nIndex < 0 || nIndex >= m_nSize) {
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*(volatile char*)0 = '\0';
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}
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return ((const TYPE*)m_pData)[nIndex];
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}
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TYPE& operator[](int nIndex) {
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if (nIndex < 0 || nIndex >= m_nSize) {
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*(volatile char*)0 = '\0';
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}
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return ((TYPE*)m_pData)[nIndex];
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}
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FX_BOOL InsertAt(int nIndex, TYPE newElement, int nCount = 1) {
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if (!InsertSpaceAt(nIndex, nCount)) {
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return FALSE;
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}
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while (nCount--) {
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((TYPE*)m_pData)[nIndex++] = newElement;
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}
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return TRUE;
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}
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FX_BOOL RemoveAt(int nIndex, int nCount = 1) {
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return CFX_BasicArray::RemoveAt(nIndex, nCount);
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}
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FX_BOOL InsertAt(int nStartIndex, const CFX_BasicArray* pNewArray) {
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return CFX_BasicArray::InsertAt(nStartIndex, pNewArray);
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}
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int Find(TYPE data, int iStart = 0) const {
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if (iStart < 0) {
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return -1;
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}
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for (; iStart < (int)m_nSize; iStart++)
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if (((TYPE*)m_pData)[iStart] == data) {
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return iStart;
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}
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return -1;
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}
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};
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#ifdef PDF_ENABLE_XFA
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typedef CFX_ArrayTemplate<CFX_WideStringC> CFX_WideStringCArray;
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typedef CFX_ArrayTemplate<FX_FLOAT> CFX_FloatArray;
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typedef CFX_ArrayTemplate<uint8_t> CFX_ByteArray;
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typedef CFX_ArrayTemplate<int32_t> CFX_Int32Array;
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template <class ObjectClass>
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class CFX_ObjectArray : public CFX_BasicArray {
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public:
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CFX_ObjectArray() : CFX_BasicArray(sizeof(ObjectClass)) {}
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~CFX_ObjectArray() { RemoveAll(); }
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void Add(const ObjectClass& data) {
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new ((void*)InsertSpaceAt(m_nSize, 1)) ObjectClass(data);
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}
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ObjectClass& Add() {
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return *(ObjectClass*)new ((void*)InsertSpaceAt(m_nSize, 1)) ObjectClass();
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}
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void* AddSpace() { return InsertSpaceAt(m_nSize, 1); }
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int32_t Append(const CFX_ObjectArray& src,
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int32_t nStart = 0,
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int32_t nCount = -1) {
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if (nCount == 0) {
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return 0;
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}
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int32_t nSize = src.GetSize();
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if (!nSize) {
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return 0;
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}
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ASSERT(nStart > -1 && nStart < nSize);
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if (nCount < 0) {
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nCount = nSize;
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}
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if (nStart + nCount > nSize) {
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nCount = nSize - nStart;
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}
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if (nCount < 1) {
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return 0;
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}
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nSize = m_nSize;
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InsertSpaceAt(m_nSize, nCount);
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ObjectClass* pStartObj = (ObjectClass*)GetDataPtr(nSize);
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nSize = nStart + nCount;
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for (int32_t i = nStart; i < nSize; i++, pStartObj++) {
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new ((void*)pStartObj) ObjectClass(src[i]);
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}
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return nCount;
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}
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int32_t Copy(const CFX_ObjectArray& src,
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int32_t nStart = 0,
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int32_t nCount = -1) {
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if (nCount == 0) {
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return 0;
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}
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int32_t nSize = src.GetSize();
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if (!nSize) {
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return 0;
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}
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ASSERT(nStart > -1 && nStart < nSize);
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if (nCount < 0) {
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nCount = nSize;
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}
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if (nStart + nCount > nSize) {
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nCount = nSize - nStart;
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}
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if (nCount < 1) {
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return 0;
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}
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RemoveAll();
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SetSize(nCount);
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ObjectClass* pStartObj = (ObjectClass*)m_pData;
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nSize = nStart + nCount;
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for (int32_t i = nStart; i < nSize; i++, pStartObj++) {
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new ((void*)pStartObj) ObjectClass(src[i]);
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}
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return nCount;
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}
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int GetSize() const { return m_nSize; }
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ObjectClass& operator[](int index) const {
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ASSERT(index < m_nSize);
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return *(ObjectClass*)CFX_BasicArray::GetDataPtr(index);
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}
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ObjectClass* GetDataPtr(int index) {
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return (ObjectClass*)CFX_BasicArray::GetDataPtr(index);
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}
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void RemoveAt(int index) {
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ASSERT(index < m_nSize);
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((ObjectClass*)GetDataPtr(index))->~ObjectClass();
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CFX_BasicArray::RemoveAt(index, 1);
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}
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void RemoveAll() {
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for (int i = 0; i < m_nSize; i++) {
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((ObjectClass*)GetDataPtr(i))->~ObjectClass();
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}
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CFX_BasicArray::SetSize(0);
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}
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};
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typedef CFX_ObjectArray<CFX_ByteString> CFX_ByteStringArray;
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typedef CFX_ObjectArray<CFX_WideString> CFX_WideStringArray;
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#endif // PDF_ENABLE_XFA
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template <class DataType, int FixedSize>
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class CFX_FixedBufGrow {
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public:
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explicit CFX_FixedBufGrow(int data_size) {
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if (data_size > FixedSize) {
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m_pGrowData.reset(FX_Alloc(DataType, data_size));
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return;
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}
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FXSYS_memset(m_FixedData, 0, sizeof(DataType) * FixedSize);
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}
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operator DataType*() { return m_pGrowData ? m_pGrowData.get() : m_FixedData; }
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private:
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DataType m_FixedData[FixedSize];
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std::unique_ptr<DataType, FxFreeDeleter> m_pGrowData;
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};
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#ifdef PDF_ENABLE_XFA
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class CFX_MapPtrToPtr {
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protected:
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struct CAssoc {
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CAssoc* pNext;
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void* key;
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void* value;
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};
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public:
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CFX_MapPtrToPtr(int nBlockSize = 10);
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~CFX_MapPtrToPtr();
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int GetCount() const { return m_nCount; }
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bool IsEmpty() const { return m_nCount == 0; }
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FX_BOOL Lookup(void* key, void*& rValue) const;
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void* GetValueAt(void* key) const;
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void*& operator[](void* key);
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void SetAt(void* key, void* newValue) { (*this)[key] = newValue; }
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FX_BOOL RemoveKey(void* key);
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void RemoveAll();
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FX_POSITION GetStartPosition() const {
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return m_nCount == 0 ? nullptr : (FX_POSITION)-1;
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}
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void GetNextAssoc(FX_POSITION& rNextPosition,
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void*& rKey,
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void*& rValue) const;
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uint32_t GetHashTableSize() const { return m_nHashTableSize; }
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void InitHashTable(uint32_t hashSize, FX_BOOL bAllocNow = TRUE);
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protected:
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CAssoc** m_pHashTable;
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uint32_t m_nHashTableSize;
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int m_nCount;
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CAssoc* m_pFreeList;
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struct CFX_Plex* m_pBlocks;
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int m_nBlockSize;
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uint32_t HashKey(void* key) const;
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CAssoc* NewAssoc();
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void FreeAssoc(CAssoc* pAssoc);
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CAssoc* GetAssocAt(void* key, uint32_t& hash) const;
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};
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template <class KeyType, class ValueType>
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class CFX_MapPtrTemplate : public CFX_MapPtrToPtr {
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public:
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CFX_MapPtrTemplate() : CFX_MapPtrToPtr(10) {}
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FX_BOOL Lookup(KeyType key, ValueType& rValue) const {
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void* pValue = nullptr;
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if (!CFX_MapPtrToPtr::Lookup((void*)(uintptr_t)key, pValue)) {
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return FALSE;
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}
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rValue = (ValueType)(uintptr_t)pValue;
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return TRUE;
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}
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ValueType& operator[](KeyType key) {
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return (ValueType&)CFX_MapPtrToPtr::operator[]((void*)(uintptr_t)key);
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}
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void SetAt(KeyType key, ValueType newValue) {
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CFX_MapPtrToPtr::SetAt((void*)(uintptr_t)key, (void*)(uintptr_t)newValue);
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}
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FX_BOOL RemoveKey(KeyType key) {
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return CFX_MapPtrToPtr::RemoveKey((void*)(uintptr_t)key);
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}
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void GetNextAssoc(FX_POSITION& rNextPosition,
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KeyType& rKey,
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ValueType& rValue) const {
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void* pKey = nullptr;
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void* pValue = nullptr;
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CFX_MapPtrToPtr::GetNextAssoc(rNextPosition, pKey, pValue);
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rKey = (KeyType)(uintptr_t)pKey;
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rValue = (ValueType)(uintptr_t)pValue;
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}
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};
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#endif // PDF_ENABLE_XFA
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class CFX_PtrList {
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protected:
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struct CNode {
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CNode* pNext;
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CNode* pPrev;
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void* data;
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};
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public:
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CFX_PtrList(int nBlockSize = 10);
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FX_POSITION GetHeadPosition() const { return (FX_POSITION)m_pNodeHead; }
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FX_POSITION GetTailPosition() const { return (FX_POSITION)m_pNodeTail; }
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void* GetNext(FX_POSITION& rPosition) const {
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CNode* pNode = (CNode*)rPosition;
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rPosition = (FX_POSITION)pNode->pNext;
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return pNode->data;
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}
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void* GetPrev(FX_POSITION& rPosition) const {
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CNode* pNode = (CNode*)rPosition;
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rPosition = (FX_POSITION)pNode->pPrev;
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return pNode->data;
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}
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FX_POSITION GetNextPosition(FX_POSITION pos) const {
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return ((CNode*)pos)->pNext;
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}
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FX_POSITION GetPrevPosition(FX_POSITION pos) const {
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return ((CNode*)pos)->pPrev;
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}
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void* GetAt(FX_POSITION rPosition) const {
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CNode* pNode = (CNode*)rPosition;
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return pNode->data;
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}
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int GetCount() const { return m_nCount; }
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FX_POSITION AddTail(void* newElement);
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FX_POSITION AddHead(void* newElement);
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void SetAt(FX_POSITION pos, void* newElement) {
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CNode* pNode = (CNode*)pos;
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pNode->data = newElement;
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}
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FX_POSITION InsertAfter(FX_POSITION pos, void* newElement);
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FX_POSITION Find(void* searchValue, FX_POSITION startAfter = nullptr) const;
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FX_POSITION FindIndex(int index) const;
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void RemoveAt(FX_POSITION pos);
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void RemoveAll();
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protected:
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CNode* m_pNodeHead;
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CNode* m_pNodeTail;
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int m_nCount;
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CNode* m_pNodeFree;
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struct CFX_Plex* m_pBlocks;
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int m_nBlockSize;
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CNode* NewNode(CNode* pPrev, CNode* pNext);
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void FreeNode(CNode* pNode);
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public:
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~CFX_PtrList();
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};
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#ifdef PDF_ENABLE_XFA
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typedef void (*PD_CALLBACK_FREEDATA)(void* pData);
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#endif // PDF_ENABLE_XFA
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class CFX_BitStream {
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public:
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void Init(const uint8_t* pData, uint32_t dwSize);
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uint32_t GetBits(uint32_t nBits);
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void ByteAlign();
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FX_BOOL IsEOF() { return m_BitPos >= m_BitSize; }
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void SkipBits(uint32_t nBits) { m_BitPos += nBits; }
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void Rewind() { m_BitPos = 0; }
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uint32_t GetPos() const { return m_BitPos; }
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uint32_t BitsRemaining() const {
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return m_BitSize >= m_BitPos ? m_BitSize - m_BitPos : 0;
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}
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protected:
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uint32_t m_BitPos;
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uint32_t m_BitSize;
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const uint8_t* m_pData;
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};
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template <class ObjClass>
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class CFX_CountRef {
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public:
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using Ref = CFX_CountRef<ObjClass>;
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|
class CountedObj : public ObjClass {
|
public:
|
CountedObj() {}
|
CountedObj(const CountedObj& src) : ObjClass(src) {}
|
|
int m_RefCount;
|
};
|
|
CFX_CountRef() : m_pObject(nullptr) {}
|
CFX_CountRef(const Ref& ref) : m_pObject(ref.m_pObject) {
|
if (m_pObject)
|
m_pObject->m_RefCount++;
|
}
|
|
~CFX_CountRef() { SetNull(); }
|
|
ObjClass* New() {
|
SetNull();
|
m_pObject = new CountedObj;
|
m_pObject->m_RefCount = 1;
|
return m_pObject;
|
}
|
|
void operator=(const Ref& ref) {
|
if (ref.m_pObject)
|
ref.m_pObject->m_RefCount++;
|
SetNull();
|
m_pObject = ref.m_pObject;
|
}
|
|
bool IsNull() const { return !m_pObject; }
|
bool NotNull() const { return !IsNull(); }
|
|
const ObjClass* GetObject() const { return m_pObject; }
|
ObjClass* GetModify() {
|
if (!m_pObject) {
|
m_pObject = new CountedObj;
|
m_pObject->m_RefCount = 1;
|
} else if (m_pObject->m_RefCount > 1) {
|
m_pObject->m_RefCount--;
|
CountedObj* pOldObject = m_pObject;
|
m_pObject = new CountedObj(*pOldObject);
|
m_pObject->m_RefCount = 1;
|
}
|
return m_pObject;
|
}
|
|
void SetNull() {
|
if (!m_pObject) {
|
return;
|
}
|
m_pObject->m_RefCount--;
|
if (m_pObject->m_RefCount <= 0) {
|
delete m_pObject;
|
}
|
m_pObject = nullptr;
|
}
|
|
bool operator==(const Ref& ref) const { return m_pObject == ref.m_pObject; }
|
|
protected:
|
CountedObj* m_pObject;
|
};
|
|
class IFX_Pause {
|
public:
|
virtual ~IFX_Pause() {}
|
virtual FX_BOOL NeedToPauseNow() = 0;
|
};
|
|
template <typename T>
|
class CFX_AutoRestorer {
|
public:
|
explicit CFX_AutoRestorer(T* location)
|
: m_Location(location), m_OldValue(*location) {}
|
~CFX_AutoRestorer() { *m_Location = m_OldValue; }
|
|
private:
|
T* const m_Location;
|
const T m_OldValue;
|
};
|
|
#define FX_DATALIST_LENGTH 1024
|
template <size_t unit>
|
class CFX_SortListArray {
|
protected:
|
struct DataList {
|
int32_t start;
|
|
int32_t count;
|
uint8_t* data;
|
};
|
|
public:
|
CFX_SortListArray() : m_CurList(0) {}
|
|
~CFX_SortListArray() { Clear(); }
|
|
void Clear() {
|
for (int32_t i = m_DataLists.GetUpperBound(); i >= 0; i--) {
|
DataList list = m_DataLists.ElementAt(i);
|
FX_Free(list.data);
|
}
|
m_DataLists.RemoveAll();
|
m_CurList = 0;
|
}
|
|
void Append(int32_t nStart, int32_t nCount) {
|
if (nStart < 0) {
|
return;
|
}
|
while (nCount > 0) {
|
int32_t temp_count = std::min(nCount, FX_DATALIST_LENGTH);
|
DataList list;
|
list.data = FX_Alloc2D(uint8_t, temp_count, unit);
|
list.start = nStart;
|
list.count = temp_count;
|
Append(list);
|
nCount -= temp_count;
|
nStart += temp_count;
|
}
|
}
|
|
uint8_t* GetAt(int32_t nIndex) {
|
if (nIndex < 0) {
|
return nullptr;
|
}
|
if (m_CurList < 0 || m_CurList >= m_DataLists.GetSize()) {
|
return nullptr;
|
}
|
DataList* pCurList = m_DataLists.GetDataPtr(m_CurList);
|
if (!pCurList || nIndex < pCurList->start ||
|
nIndex >= pCurList->start + pCurList->count) {
|
pCurList = nullptr;
|
int32_t iStart = 0;
|
int32_t iEnd = m_DataLists.GetUpperBound();
|
int32_t iMid = 0;
|
while (iStart <= iEnd) {
|
iMid = (iStart + iEnd) / 2;
|
DataList* list = m_DataLists.GetDataPtr(iMid);
|
if (nIndex < list->start) {
|
iEnd = iMid - 1;
|
} else if (nIndex >= list->start + list->count) {
|
iStart = iMid + 1;
|
} else {
|
pCurList = list;
|
m_CurList = iMid;
|
break;
|
}
|
}
|
}
|
return pCurList ? pCurList->data + (nIndex - pCurList->start) * unit
|
: nullptr;
|
}
|
|
protected:
|
void Append(const DataList& list) {
|
int32_t iStart = 0;
|
int32_t iEnd = m_DataLists.GetUpperBound();
|
int32_t iFind = 0;
|
while (iStart <= iEnd) {
|
int32_t iMid = (iStart + iEnd) / 2;
|
DataList* cur_list = m_DataLists.GetDataPtr(iMid);
|
if (list.start < cur_list->start + cur_list->count) {
|
iEnd = iMid - 1;
|
} else {
|
if (iMid == iEnd) {
|
iFind = iMid + 1;
|
break;
|
}
|
DataList* next_list = m_DataLists.GetDataPtr(iMid + 1);
|
if (list.start < next_list->start) {
|
iFind = iMid + 1;
|
break;
|
} else {
|
iStart = iMid + 1;
|
}
|
}
|
}
|
m_DataLists.InsertAt(iFind, list);
|
}
|
int32_t m_CurList;
|
CFX_ArrayTemplate<DataList> m_DataLists;
|
};
|
template <typename T1, typename T2>
|
class CFX_ListArrayTemplate {
|
public:
|
void Clear() { m_Data.Clear(); }
|
|
void Add(int32_t nStart, int32_t nCount) { m_Data.Append(nStart, nCount); }
|
|
T2& operator[](int32_t nIndex) {
|
uint8_t* data = m_Data.GetAt(nIndex);
|
ASSERT(data);
|
return (T2&)(*(volatile T2*)data);
|
}
|
|
T2* GetPtrAt(int32_t nIndex) { return (T2*)m_Data.GetAt(nIndex); }
|
|
protected:
|
T1 m_Data;
|
};
|
typedef CFX_ListArrayTemplate<CFX_SortListArray<sizeof(FX_FILESIZE)>,
|
FX_FILESIZE> CFX_FileSizeListArray;
|
|
#ifdef PDF_ENABLE_XFA
|
class IFX_Retainable {
|
public:
|
virtual uint32_t Retain() = 0;
|
virtual uint32_t Release() = 0;
|
|
protected:
|
virtual ~IFX_Retainable() {}
|
};
|
#define FX_IsOdd(a) ((a)&1)
|
#endif // PDF_ENABLE_XFA
|
|
class CFX_Vector_3by1 {
|
public:
|
CFX_Vector_3by1() : a(0.0f), b(0.0f), c(0.0f) {}
|
|
CFX_Vector_3by1(FX_FLOAT a1, FX_FLOAT b1, FX_FLOAT c1)
|
: a(a1), b(b1), c(c1) {}
|
|
FX_FLOAT a;
|
FX_FLOAT b;
|
FX_FLOAT c;
|
};
|
class CFX_Matrix_3by3 {
|
public:
|
CFX_Matrix_3by3()
|
: a(0.0f),
|
b(0.0f),
|
c(0.0f),
|
d(0.0f),
|
e(0.0f),
|
f(0.0f),
|
g(0.0f),
|
h(0.0f),
|
i(0.0f) {}
|
|
CFX_Matrix_3by3(FX_FLOAT a1,
|
FX_FLOAT b1,
|
FX_FLOAT c1,
|
FX_FLOAT d1,
|
FX_FLOAT e1,
|
FX_FLOAT f1,
|
FX_FLOAT g1,
|
FX_FLOAT h1,
|
FX_FLOAT i1)
|
: a(a1), b(b1), c(c1), d(d1), e(e1), f(f1), g(g1), h(h1), i(i1) {}
|
|
CFX_Matrix_3by3 Inverse();
|
|
CFX_Matrix_3by3 Multiply(const CFX_Matrix_3by3& m);
|
|
CFX_Vector_3by1 TransformVector(const CFX_Vector_3by1& v);
|
|
FX_FLOAT a;
|
FX_FLOAT b;
|
FX_FLOAT c;
|
FX_FLOAT d;
|
FX_FLOAT e;
|
FX_FLOAT f;
|
FX_FLOAT g;
|
FX_FLOAT h;
|
FX_FLOAT i;
|
};
|
|
uint32_t GetBits32(const uint8_t* pData, int bitpos, int nbits);
|
|
#endif // CORE_FXCRT_INCLUDE_FX_BASIC_H_
|
