From 9d8ec5a6e37e8d1d4d4edca9040de234e2d4728f Mon Sep 17 00:00:00 2001 From: Nico Weber Date: Tue, 4 Aug 2015 13:00:21 -0700 Subject: XFA: clang-format all pdfium code. No behavior change. Generated by: find . -name '*.cpp' -o -name '*.h' | \ grep -E -v 'third_party|thirdparties|lpng_v163|tiff_v403' | \ xargs ../../buildtools/mac/clang-format -i Then manually merged https://codereview.chromium.org/1269223002/ See thread "tabs vs spaces" on pdfium@googlegroups.com for discussion. BUG=none --- core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp | 3920 ++++++++++++----------- 1 file changed, 1976 insertions(+), 1944 deletions(-) (limited to 'core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp') diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp index 7b7b61aa02..6f193071de 100644 --- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp @@ -8,2129 +8,2161 @@ #include "../../../include/fpdfapi/fpdf_serial.h" #include "editint.h" -#define PDF_OBJECTSTREAM_MAXLENGTH (256 * 1024) -#define PDF_XREFSTREAM_MAXSIZE 10000 -extern void FlateEncode(const uint8_t* src_buf, FX_DWORD src_data, uint8_t*& dest_buf, FX_DWORD& dest_size); -extern void FlateEncode(const uint8_t* src_buf, FX_DWORD src_size, int predictor, int Colors, int BitsPerComponent, int Columns, - uint8_t*& dest_buf, FX_DWORD& dest_size); +#define PDF_OBJECTSTREAM_MAXLENGTH (256 * 1024) +#define PDF_XREFSTREAM_MAXSIZE 10000 +extern void FlateEncode(const uint8_t* src_buf, + FX_DWORD src_data, + uint8_t*& dest_buf, + FX_DWORD& dest_size); +extern void FlateEncode(const uint8_t* src_buf, + FX_DWORD src_size, + int predictor, + int Colors, + int BitsPerComponent, + int Columns, + uint8_t*& dest_buf, + FX_DWORD& dest_size); extern FX_BOOL IsSignatureDict(const CPDF_Dictionary* pDict); -int32_t PDF_CreatorAppendObject(const CPDF_Object* pObj, CFX_FileBufferArchive *pFile, FX_FILESIZE& offset) -{ - int32_t len = 0; - if (pObj == NULL) { - if (pFile->AppendString(FX_BSTRC(" null")) < 0) { - return -1; - } - offset += 5; - return 1; - } - switch (pObj->GetType()) { - case PDFOBJ_NULL: - if (pFile->AppendString(FX_BSTRC(" null")) < 0) { - return -1; - } - offset += 5; - break; - case PDFOBJ_BOOLEAN: - case PDFOBJ_NUMBER: - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = pFile->AppendString(pObj->GetString())) < 0) { - return -1; - } - offset += len + 1; - break; - case PDFOBJ_STRING: { - CFX_ByteString str = pObj->GetString(); - FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex(); - if ((len = pFile->AppendString(PDF_EncodeString(str, bHex))) < 0) { - return -1; - } - offset += len; - break; - } - case PDFOBJ_NAME: { - if (pFile->AppendString(FX_BSTRC("/")) < 0) { - return -1; - } - CFX_ByteString str = pObj->GetString(); - if ((len = pFile->AppendString(PDF_NameEncode(str))) < 0) { - return -1; - } - offset += len + 1; - break; - } - case PDFOBJ_REFERENCE: { - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - CPDF_Reference* p = (CPDF_Reference*)pObj; - if ((len = pFile->AppendDWord(p->GetRefObjNum())) < 0) { - return -1; - } - if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { - return -1; - } - offset += len + 6; - break; - } - case PDFOBJ_ARRAY: { - if (pFile->AppendString(FX_BSTRC("[")) < 0) { - return -1; - } - offset += 1; - CPDF_Array* p = (CPDF_Array*)pObj; - for (FX_DWORD i = 0; i < p->GetCount(); i ++) { - CPDF_Object* pElement = p->GetElement(i); - if (pElement->GetObjNum()) { - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = pFile->AppendDWord(pElement->GetObjNum())) < 0) { - return -1; - } - if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) { - return -1; - } - offset += len + 5; - } else { - if (PDF_CreatorAppendObject(pElement, pFile, offset) < 0) { - return -1; - } - } - } - if (pFile->AppendString(FX_BSTRC("]")) < 0) { - return -1; - } - offset += 1; - break; - } - case PDFOBJ_DICTIONARY: { - if (pFile->AppendString(FX_BSTRC("<<")) < 0) { - return -1; - } - offset += 2; - CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; - FX_POSITION pos = p->GetStartPos(); - while (pos) { - CFX_ByteString key; - CPDF_Object* pValue = p->GetNextElement(pos, key); - if (pFile->AppendString(FX_BSTRC("/")) < 0) { - return -1; - } - if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) { - return -1; - } - offset += len + 1; - if (pValue->GetObjNum()) { - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) { - return -1; - } - if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) { - return -1; - } - offset += len + 5; - } else { - if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) { - return -1; - } - } - } - if (pFile->AppendString(FX_BSTRC(">>")) < 0) { - return -1; - } - offset += 2; - break; - } - case PDFOBJ_STREAM: { - CPDF_Stream* p = (CPDF_Stream*)pObj; - if (PDF_CreatorAppendObject(p->GetDict(), pFile, offset) < 0) { - return -1; - } - if (pFile->AppendString(FX_BSTRC("stream\r\n")) < 0) { - return -1; - } - offset += 8; - CPDF_StreamAcc acc; - acc.LoadAllData(p, TRUE); - if (pFile->AppendBlock(acc.GetData(), acc.GetSize()) < 0) { - return -1; - } - offset += acc.GetSize(); - if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream"))) < 0) { - return -1; - } - offset += len; - break; - } - default: - ASSERT(FALSE); - break; - } +int32_t PDF_CreatorAppendObject(const CPDF_Object* pObj, + CFX_FileBufferArchive* pFile, + FX_FILESIZE& offset) { + int32_t len = 0; + if (pObj == NULL) { + if (pFile->AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + offset += 5; return 1; -} -int32_t PDF_CreatorWriteTrailer(CPDF_Document* pDocument, CFX_FileBufferArchive* pFile, CPDF_Array* pIDArray, FX_BOOL bCompress) -{ - FX_FILESIZE offset = 0; - int32_t len = 0; - FXSYS_assert(pDocument && pFile); - CPDF_Parser *pParser = (CPDF_Parser*)pDocument->GetParser(); - if (pParser) { - CPDF_Dictionary* p = pParser->GetTrailer(); - FX_POSITION pos = p->GetStartPos(); - while (pos) { - CFX_ByteString key; - CPDF_Object* pValue = p->GetNextElement(pos, key); - if (key == FX_BSTRC("Encrypt") || key == FX_BSTRC("Size") || key == FX_BSTRC("Filter") || - key == FX_BSTRC("Index") || key == FX_BSTRC("Length") || key == FX_BSTRC("Prev") || - key == FX_BSTRC("W") || key == FX_BSTRC("XRefStm") || key == FX_BSTRC("Type") || key == FX_BSTRC("ID")) { - continue; - } - if (bCompress && key == FX_BSTRC("DecodeParms")) { - continue; - } - if (pFile->AppendString((FX_BSTRC("/"))) < 0) { - return -1; - } - if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) { - return -1; - } - offset += len + 1; - if (pValue->GetObjNum()) { - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) { - return -1; - } - if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { - return -1; - } - offset += len + 6; - } else { - if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) { - return -1; - } - } - } - if (pIDArray) { - if (pFile->AppendString((FX_BSTRC("/ID"))) < 0) { - return -1; - } - offset += 3; - if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) { - return -1; - } - } - return offset; - } - if (pFile->AppendString(FX_BSTRC("\r\n/Root ")) < 0) { + } + switch (pObj->GetType()) { + case PDFOBJ_NULL: + if (pFile->AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + offset += 5; + break; + case PDFOBJ_BOOLEAN: + case PDFOBJ_NUMBER: + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendString(pObj->GetString())) < 0) { return -1; + } + offset += len + 1; + break; + case PDFOBJ_STRING: { + CFX_ByteString str = pObj->GetString(); + FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex(); + if ((len = pFile->AppendString(PDF_EncodeString(str, bHex))) < 0) { + return -1; + } + offset += len; + break; } - if ((len = pFile->AppendDWord(pDocument->GetRoot()->GetObjNum())) < 0) { + case PDFOBJ_NAME: { + if (pFile->AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + CFX_ByteString str = pObj->GetString(); + if ((len = pFile->AppendString(PDF_NameEncode(str))) < 0) { return -1; + } + offset += len + 1; + break; } - if (pFile->AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + case PDFOBJ_REFERENCE: { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { return -1; + } + CPDF_Reference* p = (CPDF_Reference*)pObj; + if ((len = pFile->AppendDWord(p->GetRefObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + offset += len + 6; + break; } - offset += len + 14; - if (pDocument->GetInfo()) { - if (pFile->AppendString(FX_BSTRC("/Info ")) < 0) { + case PDFOBJ_ARRAY: { + if (pFile->AppendString(FX_BSTRC("[")) < 0) { + return -1; + } + offset += 1; + CPDF_Array* p = (CPDF_Array*)pObj; + for (FX_DWORD i = 0; i < p->GetCount(); i++) { + CPDF_Object* pElement = p->GetElement(i); + if (pElement->GetObjNum()) { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { return -1; - } - if ((len = pFile->AppendDWord(pDocument->GetInfo()->GetObjNum())) < 0) { + } + if ((len = pFile->AppendDWord(pElement->GetObjNum())) < 0) { return -1; - } - if (pFile->AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + } + if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + offset += len + 5; + } else { + if (PDF_CreatorAppendObject(pElement, pFile, offset) < 0) { return -1; + } } - offset += len + 12; + } + if (pFile->AppendString(FX_BSTRC("]")) < 0) { + return -1; + } + offset += 1; + break; } - if (pIDArray) { - if (pFile->AppendString((FX_BSTRC("/ID"))) < 0) { - return -1; + case PDFOBJ_DICTIONARY: { + if (pFile->AppendString(FX_BSTRC("<<")) < 0) { + return -1; + } + offset += 2; + CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + FX_POSITION pos = p->GetStartPos(); + while (pos) { + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (pFile->AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) { + return -1; } - offset += 3; - if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) { + offset += len + 1; + if (pValue->GetObjNum()) { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + offset += len + 5; + } else { + if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) { return -1; + } } + } + if (pFile->AppendString(FX_BSTRC(">>")) < 0) { + return -1; + } + offset += 2; + break; } - return offset; + case PDFOBJ_STREAM: { + CPDF_Stream* p = (CPDF_Stream*)pObj; + if (PDF_CreatorAppendObject(p->GetDict(), pFile, offset) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC("stream\r\n")) < 0) { + return -1; + } + offset += 8; + CPDF_StreamAcc acc; + acc.LoadAllData(p, TRUE); + if (pFile->AppendBlock(acc.GetData(), acc.GetSize()) < 0) { + return -1; + } + offset += acc.GetSize(); + if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream"))) < 0) { + return -1; + } + offset += len; + break; + } + default: + ASSERT(FALSE); + break; + } + return 1; } -int32_t PDF_CreatorWriteEncrypt(const CPDF_Dictionary* pEncryptDict, FX_DWORD dwObjNum, CFX_FileBufferArchive *pFile) -{ - if (!pEncryptDict) { - return 0; - } - FXSYS_assert(pFile); - FX_FILESIZE offset = 0; - int32_t len = 0; - if (pFile->AppendString(FX_BSTRC("/Encrypt")) < 0) { +int32_t PDF_CreatorWriteTrailer(CPDF_Document* pDocument, + CFX_FileBufferArchive* pFile, + CPDF_Array* pIDArray, + FX_BOOL bCompress) { + FX_FILESIZE offset = 0; + int32_t len = 0; + FXSYS_assert(pDocument && pFile); + CPDF_Parser* pParser = (CPDF_Parser*)pDocument->GetParser(); + if (pParser) { + CPDF_Dictionary* p = pParser->GetTrailer(); + FX_POSITION pos = p->GetStartPos(); + while (pos) { + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (key == FX_BSTRC("Encrypt") || key == FX_BSTRC("Size") || + key == FX_BSTRC("Filter") || key == FX_BSTRC("Index") || + key == FX_BSTRC("Length") || key == FX_BSTRC("Prev") || + key == FX_BSTRC("W") || key == FX_BSTRC("XRefStm") || + key == FX_BSTRC("Type") || key == FX_BSTRC("ID")) { + continue; + } + if (bCompress && key == FX_BSTRC("DecodeParms")) { + continue; + } + if (pFile->AppendString((FX_BSTRC("/"))) < 0) { return -1; - } - offset += 8; - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + } + if ((len = pFile->AppendString(PDF_NameEncode(key))) < 0) { return -1; + } + offset += len + 1; + if (pValue->GetObjNum()) { + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pValue->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + offset += len + 6; + } else { + if (PDF_CreatorAppendObject(pValue, pFile, offset) < 0) { + return -1; + } + } } - if ((len = pFile->AppendDWord(dwObjNum)) < 0) { + if (pIDArray) { + if (pFile->AppendString((FX_BSTRC("/ID"))) < 0) { return -1; - } - if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + } + offset += 3; + if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) { return -1; + } } - offset += len + 6; return offset; -} -FX_BOOL PDF_GenerateFileID(FX_DWORD dwSeed1, FX_DWORD dwSeed2, FX_DWORD* pBuffer) -{ - if (!pBuffer) { - return FALSE; + } + if (pFile->AppendString(FX_BSTRC("\r\n/Root ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pDocument->GetRoot()->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; + } + offset += len + 14; + if (pDocument->GetInfo()) { + if (pFile->AppendString(FX_BSTRC("/Info ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(pDocument->GetInfo()->GetObjNum())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; } - void* pContext = FX_Random_MT_Start(dwSeed1); - int32_t i = 0; - for (i = 0; i < 2; i++) { - *pBuffer++ = FX_Random_MT_Generate(pContext); + offset += len + 12; + } + if (pIDArray) { + if (pFile->AppendString((FX_BSTRC("/ID"))) < 0) { + return -1; } - FX_Random_MT_Close(pContext); - pContext = FX_Random_MT_Start(dwSeed2); - for (i = 0; i < 2; i++) { - *pBuffer++ = FX_Random_MT_Generate(pContext); + offset += 3; + if (PDF_CreatorAppendObject(pIDArray, pFile, offset) < 0) { + return -1; } - FX_Random_MT_Close(pContext); - return TRUE; + } + return offset; } -class CPDF_FlateEncoder -{ -public: - CPDF_FlateEncoder(); - ~CPDF_FlateEncoder(); - FX_BOOL Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode); - FX_BOOL Initialize(const uint8_t* pBuffer, FX_DWORD size, FX_BOOL bFlateEncode, FX_BOOL bXRefStream = FALSE); - void CloneDict(); - uint8_t* m_pData; - FX_DWORD m_dwSize; - CPDF_Dictionary* m_pDict; - FX_BOOL m_bCloned; - FX_BOOL m_bNewData; - CPDF_StreamAcc m_Acc; -}; -CPDF_FlateEncoder::CPDF_FlateEncoder() -{ - m_pData = NULL; - m_dwSize = 0; - m_pDict = NULL; - m_bCloned = FALSE; - m_bNewData = FALSE; +int32_t PDF_CreatorWriteEncrypt(const CPDF_Dictionary* pEncryptDict, + FX_DWORD dwObjNum, + CFX_FileBufferArchive* pFile) { + if (!pEncryptDict) { + return 0; + } + FXSYS_assert(pFile); + FX_FILESIZE offset = 0; + int32_t len = 0; + if (pFile->AppendString(FX_BSTRC("/Encrypt")) < 0) { + return -1; + } + offset += 8; + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord(dwObjNum)) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } + offset += len + 6; + return offset; } -void CPDF_FlateEncoder::CloneDict() -{ - if (!m_bCloned) { - m_pDict = (CPDF_Dictionary*)m_pDict->Clone(); - m_bCloned = TRUE; - } +FX_BOOL PDF_GenerateFileID(FX_DWORD dwSeed1, + FX_DWORD dwSeed2, + FX_DWORD* pBuffer) { + if (!pBuffer) { + return FALSE; + } + void* pContext = FX_Random_MT_Start(dwSeed1); + int32_t i = 0; + for (i = 0; i < 2; i++) { + *pBuffer++ = FX_Random_MT_Generate(pContext); + } + FX_Random_MT_Close(pContext); + pContext = FX_Random_MT_Start(dwSeed2); + for (i = 0; i < 2; i++) { + *pBuffer++ = FX_Random_MT_Generate(pContext); + } + FX_Random_MT_Close(pContext); + return TRUE; } -FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode) -{ - m_Acc.LoadAllData(pStream, TRUE); - if ((pStream && pStream->GetDict() && pStream->GetDict()->KeyExist("Filter")) || !bFlateEncode) { - if (pStream->GetDict()->KeyExist("Filter") && !bFlateEncode) { - CPDF_StreamAcc destAcc; - destAcc.LoadAllData(pStream); - m_dwSize = destAcc.GetSize(); - m_pData = (uint8_t*)destAcc.DetachData(); - m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); - m_pDict->RemoveAt(FX_BSTRC("Filter")); - m_bNewData = TRUE; - m_bCloned = TRUE; - } else { - m_pData = (uint8_t*)m_Acc.GetData(); - m_dwSize = m_Acc.GetSize(); - m_pDict = pStream->GetDict(); - } - return TRUE; - } - m_pData = NULL; - m_dwSize = 0; - m_bNewData = TRUE; +class CPDF_FlateEncoder { + public: + CPDF_FlateEncoder(); + ~CPDF_FlateEncoder(); + FX_BOOL Initialize(CPDF_Stream* pStream, FX_BOOL bFlateEncode); + FX_BOOL Initialize(const uint8_t* pBuffer, + FX_DWORD size, + FX_BOOL bFlateEncode, + FX_BOOL bXRefStream = FALSE); + void CloneDict(); + uint8_t* m_pData; + FX_DWORD m_dwSize; + CPDF_Dictionary* m_pDict; + FX_BOOL m_bCloned; + FX_BOOL m_bNewData; + CPDF_StreamAcc m_Acc; +}; +CPDF_FlateEncoder::CPDF_FlateEncoder() { + m_pData = NULL; + m_dwSize = 0; + m_pDict = NULL; + m_bCloned = FALSE; + m_bNewData = FALSE; +} +void CPDF_FlateEncoder::CloneDict() { + if (!m_bCloned) { + m_pDict = (CPDF_Dictionary*)m_pDict->Clone(); m_bCloned = TRUE; - ::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), m_pData, m_dwSize); - m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); - m_pDict->SetAtInteger("Length", m_dwSize); - m_pDict->SetAtName("Filter", "FlateDecode"); - m_pDict->RemoveAt("DecodeParms"); - return TRUE; + } } -FX_BOOL CPDF_FlateEncoder::Initialize(const uint8_t* pBuffer, FX_DWORD size, FX_BOOL bFlateEncode, FX_BOOL bXRefStream) -{ - if (!bFlateEncode) { - m_pData = (uint8_t*)pBuffer; - m_dwSize = size; - return TRUE; - } - m_bNewData = TRUE; - if (bXRefStream) { - ::FlateEncode(pBuffer, size, 12, 1, 8, 7, m_pData, m_dwSize); +FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, + FX_BOOL bFlateEncode) { + m_Acc.LoadAllData(pStream, TRUE); + if ((pStream && pStream->GetDict() && + pStream->GetDict()->KeyExist("Filter")) || + !bFlateEncode) { + if (pStream->GetDict()->KeyExist("Filter") && !bFlateEncode) { + CPDF_StreamAcc destAcc; + destAcc.LoadAllData(pStream); + m_dwSize = destAcc.GetSize(); + m_pData = (uint8_t*)destAcc.DetachData(); + m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); + m_pDict->RemoveAt(FX_BSTRC("Filter")); + m_bNewData = TRUE; + m_bCloned = TRUE; } else { - ::FlateEncode(pBuffer, size, m_pData, m_dwSize); + m_pData = (uint8_t*)m_Acc.GetData(); + m_dwSize = m_Acc.GetSize(); + m_pDict = pStream->GetDict(); } return TRUE; + } + m_pData = NULL; + m_dwSize = 0; + m_bNewData = TRUE; + m_bCloned = TRUE; + ::FlateEncode(m_Acc.GetData(), m_Acc.GetSize(), m_pData, m_dwSize); + m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); + m_pDict->SetAtInteger("Length", m_dwSize); + m_pDict->SetAtName("Filter", "FlateDecode"); + m_pDict->RemoveAt("DecodeParms"); + return TRUE; } -CPDF_FlateEncoder::~CPDF_FlateEncoder() -{ - if (m_bCloned && m_pDict) { - m_pDict->Release(); - } - if (m_bNewData && m_pData) { - FX_Free(m_pData); - } +FX_BOOL CPDF_FlateEncoder::Initialize(const uint8_t* pBuffer, + FX_DWORD size, + FX_BOOL bFlateEncode, + FX_BOOL bXRefStream) { + if (!bFlateEncode) { + m_pData = (uint8_t*)pBuffer; + m_dwSize = size; + return TRUE; + } + m_bNewData = TRUE; + if (bXRefStream) { + ::FlateEncode(pBuffer, size, 12, 1, 8, 7, m_pData, m_dwSize); + } else { + ::FlateEncode(pBuffer, size, m_pData, m_dwSize); + } + return TRUE; +} +CPDF_FlateEncoder::~CPDF_FlateEncoder() { + if (m_bCloned && m_pDict) { + m_pDict->Release(); + } + if (m_bNewData && m_pData) { + FX_Free(m_pData); + } } -class CPDF_Encryptor -{ -public: - CPDF_Encryptor(); - ~CPDF_Encryptor(); - FX_BOOL Initialize(CPDF_CryptoHandler* pHandler, int objnum, uint8_t* src_data, FX_DWORD src_size); - uint8_t* m_pData; - FX_DWORD m_dwSize; - FX_BOOL m_bNewBuf; +class CPDF_Encryptor { + public: + CPDF_Encryptor(); + ~CPDF_Encryptor(); + FX_BOOL Initialize(CPDF_CryptoHandler* pHandler, + int objnum, + uint8_t* src_data, + FX_DWORD src_size); + uint8_t* m_pData; + FX_DWORD m_dwSize; + FX_BOOL m_bNewBuf; }; -CPDF_Encryptor::CPDF_Encryptor() -{ - m_pData = NULL; - m_dwSize = 0; - m_bNewBuf = FALSE; +CPDF_Encryptor::CPDF_Encryptor() { + m_pData = NULL; + m_dwSize = 0; + m_bNewBuf = FALSE; } -FX_BOOL CPDF_Encryptor::Initialize(CPDF_CryptoHandler* pHandler, int objnum, uint8_t* src_data, FX_DWORD src_size) -{ - if (src_size == 0) { - return TRUE; - } - if (pHandler == NULL) { - m_pData = (uint8_t*)src_data; - m_dwSize = src_size; - m_bNewBuf = FALSE; - return TRUE; - } - m_dwSize = pHandler->EncryptGetSize(objnum, 0, src_data, src_size); - m_pData = FX_Alloc(uint8_t, m_dwSize); - pHandler->EncryptContent(objnum, 0, src_data, src_size, m_pData, m_dwSize); - m_bNewBuf = TRUE; +FX_BOOL CPDF_Encryptor::Initialize(CPDF_CryptoHandler* pHandler, + int objnum, + uint8_t* src_data, + FX_DWORD src_size) { + if (src_size == 0) { return TRUE; + } + if (pHandler == NULL) { + m_pData = (uint8_t*)src_data; + m_dwSize = src_size; + m_bNewBuf = FALSE; + return TRUE; + } + m_dwSize = pHandler->EncryptGetSize(objnum, 0, src_data, src_size); + m_pData = FX_Alloc(uint8_t, m_dwSize); + pHandler->EncryptContent(objnum, 0, src_data, src_size, m_pData, m_dwSize); + m_bNewBuf = TRUE; + return TRUE; } -CPDF_Encryptor::~CPDF_Encryptor() -{ - if (m_bNewBuf) { - FX_Free(m_pData); - } -} -CPDF_ObjectStream::CPDF_ObjectStream() - : m_dwObjNum(0) - , m_index(0) -{ +CPDF_Encryptor::~CPDF_Encryptor() { + if (m_bNewBuf) { + FX_Free(m_pData); + } } -FX_BOOL CPDF_ObjectStream::Start() -{ - m_ObjNumArray.RemoveAll(); - m_OffsetArray.RemoveAll(); - m_Buffer.Clear(); - m_dwObjNum = 0; - m_index = 0; - return TRUE; +CPDF_ObjectStream::CPDF_ObjectStream() : m_dwObjNum(0), m_index(0) {} +FX_BOOL CPDF_ObjectStream::Start() { + m_ObjNumArray.RemoveAll(); + m_OffsetArray.RemoveAll(); + m_Buffer.Clear(); + m_dwObjNum = 0; + m_index = 0; + return TRUE; } -int32_t CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj) -{ - m_ObjNumArray.Add(dwObjNum); - m_OffsetArray.Add(m_Buffer.GetLength()); - m_Buffer << pObj; - return 1; +int32_t CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum, + const CPDF_Object* pObj) { + m_ObjNumArray.Add(dwObjNum); + m_OffsetArray.Add(m_Buffer.GetLength()); + m_Buffer << pObj; + return 1; } -int32_t CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum, const uint8_t* pBuffer, FX_DWORD dwSize) -{ - m_ObjNumArray.Add(dwObjNum); - m_OffsetArray.Add(m_Buffer.GetLength()); - m_Buffer.AppendBlock(pBuffer, dwSize); - return 1; +int32_t CPDF_ObjectStream::CompressIndirectObject(FX_DWORD dwObjNum, + const uint8_t* pBuffer, + FX_DWORD dwSize) { + m_ObjNumArray.Add(dwObjNum); + m_OffsetArray.Add(m_Buffer.GetLength()); + m_Buffer.AppendBlock(pBuffer, dwSize); + return 1; } -FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) -{ - FXSYS_assert(pCreator); - if (m_ObjNumArray.GetSize() == 0) { - return 0; - } - CFX_FileBufferArchive *pFile = &pCreator->m_File; - CPDF_CryptoHandler *pHandler = pCreator->m_pCryptoHandler; - FX_FILESIZE ObjOffset = pCreator->m_Offset; - if (!m_dwObjNum) { - m_dwObjNum = ++pCreator->m_dwLastObjNum; - } - CFX_ByteTextBuf tempBuffer; - int32_t iCount = m_ObjNumArray.GetSize(); - for (int32_t i = 0; i < iCount; i++) { - tempBuffer << m_ObjNumArray.ElementAt(i) << FX_BSTRC(" ") << m_OffsetArray.ElementAt(i) << FX_BSTRC(" "); - } - FX_FILESIZE &offset = pCreator->m_Offset; - int32_t len = pFile->AppendDWord(m_dwObjNum); - if (len < 0) { - return -1; - } - offset += len; - if ((len = pFile->AppendString(FX_BSTRC(" 0 obj\r\n<AppendDWord((FX_DWORD)iCount)) < 0) { - return -1; +FX_FILESIZE CPDF_ObjectStream::End(CPDF_Creator* pCreator) { + FXSYS_assert(pCreator); + if (m_ObjNumArray.GetSize() == 0) { + return 0; + } + CFX_FileBufferArchive* pFile = &pCreator->m_File; + CPDF_CryptoHandler* pHandler = pCreator->m_pCryptoHandler; + FX_FILESIZE ObjOffset = pCreator->m_Offset; + if (!m_dwObjNum) { + m_dwObjNum = ++pCreator->m_dwLastObjNum; + } + CFX_ByteTextBuf tempBuffer; + int32_t iCount = m_ObjNumArray.GetSize(); + for (int32_t i = 0; i < iCount; i++) { + tempBuffer << m_ObjNumArray.ElementAt(i) << FX_BSTRC(" ") + << m_OffsetArray.ElementAt(i) << FX_BSTRC(" "); + } + FX_FILESIZE& offset = pCreator->m_Offset; + int32_t len = pFile->AppendDWord(m_dwObjNum); + if (len < 0) { + return -1; + } + offset += len; + if ((len = pFile->AppendString(FX_BSTRC(" 0 obj\r\n<AppendDWord((FX_DWORD)iCount)) < 0) { + return -1; + } + offset += len; + if (pFile->AppendString(FX_BSTRC("/First ")) < 0) { + return -1; + } + if ((len = pFile->AppendDWord((FX_DWORD)tempBuffer.GetLength())) < 0) { + return -1; + } + if (pFile->AppendString(FX_BSTRC("/Length ")) < 0) { + return -1; + } + offset += len + 15; + if (!pCreator->m_bCompress && !pHandler) { + if ((len = pFile->AppendDWord( + (FX_DWORD)(tempBuffer.GetLength() + m_Buffer.GetLength()))) < 0) { + return -1; } offset += len; - if (pFile->AppendString(FX_BSTRC("/First ")) < 0) { - return -1; + if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + return -1; } - if ((len = pFile->AppendDWord((FX_DWORD)tempBuffer.GetLength())) < 0) { - return -1; + if (pFile->AppendBlock(tempBuffer.GetBuffer(), tempBuffer.GetLength()) < + 0) { + return -1; } - if (pFile->AppendString(FX_BSTRC("/Length ")) < 0) { - return -1; + if (pFile->AppendBlock(m_Buffer.GetBuffer(), m_Buffer.GetLength()) < 0) { + return -1; } - offset += len + 15; - if (!pCreator->m_bCompress && !pHandler) { - if ((len = pFile->AppendDWord((FX_DWORD)(tempBuffer.GetLength() + m_Buffer.GetLength()))) < 0) { - return -1; - } - offset += len; - if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { - return -1; - } - if (pFile->AppendBlock(tempBuffer.GetBuffer(), tempBuffer.GetLength()) < 0) { - return -1; - } - if (pFile->AppendBlock(m_Buffer.GetBuffer(), m_Buffer.GetLength()) < 0) { - return -1; - } - offset += len + tempBuffer.GetLength() + m_Buffer.GetLength(); - } else { - tempBuffer << m_Buffer; - CPDF_FlateEncoder encoder; - encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(), pCreator->m_bCompress); - CPDF_Encryptor encryptor; - encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData, encoder.m_dwSize); - if ((len = pFile->AppendDWord(encryptor.m_dwSize)) < 0) { - return -1; - } - offset += len; - if (pCreator->m_bCompress) { - if (pFile->AppendString(FX_BSTRC("/Filter /FlateDecode")) < 0) { - return -1; - } - offset += 20; - } - if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { - return -1; - } - if (pFile->AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { - return -1; - } - offset += len + encryptor.m_dwSize; + offset += len + tempBuffer.GetLength() + m_Buffer.GetLength(); + } else { + tempBuffer << m_Buffer; + CPDF_FlateEncoder encoder; + encoder.Initialize(tempBuffer.GetBuffer(), tempBuffer.GetLength(), + pCreator->m_bCompress); + CPDF_Encryptor encryptor; + encryptor.Initialize(pHandler, m_dwObjNum, encoder.m_pData, + encoder.m_dwSize); + if ((len = pFile->AppendDWord(encryptor.m_dwSize)) < 0) { + return -1; } - if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream\r\nendobj\r\n"))) < 0) { + offset += len; + if (pCreator->m_bCompress) { + if (pFile->AppendString(FX_BSTRC("/Filter /FlateDecode")) < 0) { return -1; + } + offset += 20; } - offset += len; - return ObjOffset; + if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + return -1; + } + if (pFile->AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { + return -1; + } + offset += len + encryptor.m_dwSize; + } + if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream\r\nendobj\r\n"))) < + 0) { + return -1; + } + offset += len; + return ObjOffset; } CPDF_XRefStream::CPDF_XRefStream() - : m_PrevOffset(0) - , m_dwTempObjNum(0) - , m_iSeg(0) -{ -} -FX_BOOL CPDF_XRefStream::Start() -{ - m_IndexArray.RemoveAll(); - m_Buffer.Clear(); - m_iSeg = 0; - return TRUE; + : m_PrevOffset(0), m_dwTempObjNum(0), m_iSeg(0) {} +FX_BOOL CPDF_XRefStream::Start() { + m_IndexArray.RemoveAll(); + m_Buffer.Clear(); + m_iSeg = 0; + return TRUE; } -int32_t CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum, const CPDF_Object *pObj, CPDF_Creator *pCreator) -{ - if (!pCreator) { - return 0; - } - m_ObjStream.CompressIndirectObject(dwObjNum, pObj); - if (m_ObjStream.m_ObjNumArray.GetSize() < pCreator->m_ObjectStreamSize && - m_ObjStream.m_Buffer.GetLength() < PDF_OBJECTSTREAM_MAXLENGTH) { - return 1; - } - return EndObjectStream(pCreator); +int32_t CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum, + const CPDF_Object* pObj, + CPDF_Creator* pCreator) { + if (!pCreator) { + return 0; + } + m_ObjStream.CompressIndirectObject(dwObjNum, pObj); + if (m_ObjStream.m_ObjNumArray.GetSize() < pCreator->m_ObjectStreamSize && + m_ObjStream.m_Buffer.GetLength() < PDF_OBJECTSTREAM_MAXLENGTH) { + return 1; + } + return EndObjectStream(pCreator); } -int32_t CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum, const uint8_t* pBuffer, FX_DWORD dwSize, CPDF_Creator *pCreator) -{ - if (!pCreator) { - return 0; - } - m_ObjStream.CompressIndirectObject(dwObjNum, pBuffer, dwSize); - if (m_ObjStream.m_ObjNumArray.GetSize() < pCreator->m_ObjectStreamSize && - m_ObjStream.m_Buffer.GetLength() < PDF_OBJECTSTREAM_MAXLENGTH) { - return 1; - } - return EndObjectStream(pCreator); +int32_t CPDF_XRefStream::CompressIndirectObject(FX_DWORD dwObjNum, + const uint8_t* pBuffer, + FX_DWORD dwSize, + CPDF_Creator* pCreator) { + if (!pCreator) { + return 0; + } + m_ObjStream.CompressIndirectObject(dwObjNum, pBuffer, dwSize); + if (m_ObjStream.m_ObjNumArray.GetSize() < pCreator->m_ObjectStreamSize && + m_ObjStream.m_Buffer.GetLength() < PDF_OBJECTSTREAM_MAXLENGTH) { + return 1; + } + return EndObjectStream(pCreator); } -static void _AppendIndex0(CFX_ByteTextBuf& buffer, FX_BOOL bFirstObject = TRUE) -{ - buffer.AppendByte(0); - buffer.AppendByte(0); +static void _AppendIndex0(CFX_ByteTextBuf& buffer, + FX_BOOL bFirstObject = TRUE) { + buffer.AppendByte(0); + buffer.AppendByte(0); + buffer.AppendByte(0); + buffer.AppendByte(0); + buffer.AppendByte(0); + if (bFirstObject) { + buffer.AppendByte(0xFF); + buffer.AppendByte(0xFF); + } else { buffer.AppendByte(0); buffer.AppendByte(0); - buffer.AppendByte(0); - if (bFirstObject) { - buffer.AppendByte(0xFF); - buffer.AppendByte(0xFF); - } else { - buffer.AppendByte(0); - buffer.AppendByte(0); - } + } } -static void _AppendIndex1(CFX_ByteTextBuf& buffer, FX_FILESIZE offset) -{ - buffer.AppendByte(1); - buffer.AppendByte(FX_GETBYTEOFFSET24(offset)); - buffer.AppendByte(FX_GETBYTEOFFSET16(offset)); - buffer.AppendByte(FX_GETBYTEOFFSET8(offset)); - buffer.AppendByte(FX_GETBYTEOFFSET0(offset)); - buffer.AppendByte(0); - buffer.AppendByte(0); +static void _AppendIndex1(CFX_ByteTextBuf& buffer, FX_FILESIZE offset) { + buffer.AppendByte(1); + buffer.AppendByte(FX_GETBYTEOFFSET24(offset)); + buffer.AppendByte(FX_GETBYTEOFFSET16(offset)); + buffer.AppendByte(FX_GETBYTEOFFSET8(offset)); + buffer.AppendByte(FX_GETBYTEOFFSET0(offset)); + buffer.AppendByte(0); + buffer.AppendByte(0); } -static void _AppendIndex2(CFX_ByteTextBuf& buffer, FX_DWORD objnum, int32_t index) -{ - buffer.AppendByte(2); - buffer.AppendByte(FX_GETBYTEOFFSET24(objnum)); - buffer.AppendByte(FX_GETBYTEOFFSET16(objnum)); - buffer.AppendByte(FX_GETBYTEOFFSET8(objnum)); - buffer.AppendByte(FX_GETBYTEOFFSET0(objnum)); - buffer.AppendByte(FX_GETBYTEOFFSET8(index)); - buffer.AppendByte(FX_GETBYTEOFFSET0(index)); +static void _AppendIndex2(CFX_ByteTextBuf& buffer, + FX_DWORD objnum, + int32_t index) { + buffer.AppendByte(2); + buffer.AppendByte(FX_GETBYTEOFFSET24(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET16(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET8(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET0(objnum)); + buffer.AppendByte(FX_GETBYTEOFFSET8(index)); + buffer.AppendByte(FX_GETBYTEOFFSET0(index)); } -int32_t CPDF_XRefStream::EndObjectStream(CPDF_Creator *pCreator, FX_BOOL bEOF) -{ - FX_FILESIZE objOffset = 0; - if (bEOF) { - objOffset = m_ObjStream.End(pCreator); - if (objOffset < 0) { - return -1; - } - } - FX_DWORD &dwObjStmNum = m_ObjStream.m_dwObjNum; - if (!dwObjStmNum) { - dwObjStmNum = ++pCreator->m_dwLastObjNum; - } - int32_t iSize = m_ObjStream.m_ObjNumArray.GetSize(); - int32_t iSeg = m_IndexArray.GetSize() / 2; - if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) { - if (m_dwTempObjNum == 0) { - _AppendIndex0(m_Buffer); - m_dwTempObjNum++; - } - FX_DWORD end_num = m_IndexArray.GetAt((iSeg - 1) * 2) + m_IndexArray.GetAt((iSeg - 1) * 2 + 1); - int index = 0; - for (; m_dwTempObjNum < end_num; m_dwTempObjNum++) { - FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum); - if (offset) { - if (index >= iSize || m_dwTempObjNum != m_ObjStream.m_ObjNumArray[index]) { - _AppendIndex1(m_Buffer, *offset); - } else { - _AppendIndex2(m_Buffer, dwObjStmNum, index++); - } - } else { - _AppendIndex0(m_Buffer, FALSE); - } - } - if (iSize > 0 && bEOF) { - pCreator->m_ObjectOffset.Add(dwObjStmNum, 1); - pCreator->m_ObjectSize.Add(dwObjStmNum, 1); - pCreator->m_ObjectOffset[dwObjStmNum] = objOffset; - } - m_iSeg = iSeg; - if (bEOF) { - m_ObjStream.Start(); - } - return 1; - } - int32_t &j = m_ObjStream.m_index; - for (int i = m_iSeg; i < iSeg; i++) { - FX_DWORD start = m_IndexArray.ElementAt(i * 2); - FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start; - for (FX_DWORD m = start; m < end; m++) { - if (j >= iSize || m != m_ObjStream.m_ObjNumArray.ElementAt(j)) { - _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[m]); - } else { - _AppendIndex2(m_Buffer, dwObjStmNum, j++); - } +int32_t CPDF_XRefStream::EndObjectStream(CPDF_Creator* pCreator, FX_BOOL bEOF) { + FX_FILESIZE objOffset = 0; + if (bEOF) { + objOffset = m_ObjStream.End(pCreator); + if (objOffset < 0) { + return -1; + } + } + FX_DWORD& dwObjStmNum = m_ObjStream.m_dwObjNum; + if (!dwObjStmNum) { + dwObjStmNum = ++pCreator->m_dwLastObjNum; + } + int32_t iSize = m_ObjStream.m_ObjNumArray.GetSize(); + int32_t iSeg = m_IndexArray.GetSize() / 2; + if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) { + if (m_dwTempObjNum == 0) { + _AppendIndex0(m_Buffer); + m_dwTempObjNum++; + } + FX_DWORD end_num = m_IndexArray.GetAt((iSeg - 1) * 2) + + m_IndexArray.GetAt((iSeg - 1) * 2 + 1); + int index = 0; + for (; m_dwTempObjNum < end_num; m_dwTempObjNum++) { + FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum); + if (offset) { + if (index >= iSize || + m_dwTempObjNum != m_ObjStream.m_ObjNumArray[index]) { + _AppendIndex1(m_Buffer, *offset); + } else { + _AppendIndex2(m_Buffer, dwObjStmNum, index++); } + } else { + _AppendIndex0(m_Buffer, FALSE); + } } if (iSize > 0 && bEOF) { - _AppendIndex1(m_Buffer, objOffset); - m_IndexArray.Add(dwObjStmNum); - m_IndexArray.Add(1); - iSeg += 1; + pCreator->m_ObjectOffset.Add(dwObjStmNum, 1); + pCreator->m_ObjectSize.Add(dwObjStmNum, 1); + pCreator->m_ObjectOffset[dwObjStmNum] = objOffset; } m_iSeg = iSeg; if (bEOF) { - m_ObjStream.Start(); + m_ObjStream.Start(); } return 1; + } + int32_t& j = m_ObjStream.m_index; + for (int i = m_iSeg; i < iSeg; i++) { + FX_DWORD start = m_IndexArray.ElementAt(i * 2); + FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start; + for (FX_DWORD m = start; m < end; m++) { + if (j >= iSize || m != m_ObjStream.m_ObjNumArray.ElementAt(j)) { + _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[m]); + } else { + _AppendIndex2(m_Buffer, dwObjStmNum, j++); + } + } + } + if (iSize > 0 && bEOF) { + _AppendIndex1(m_Buffer, objOffset); + m_IndexArray.Add(dwObjStmNum); + m_IndexArray.Add(1); + iSeg += 1; + } + m_iSeg = iSeg; + if (bEOF) { + m_ObjStream.Start(); + } + return 1; } -FX_BOOL CPDF_XRefStream::GenerateXRefStream(CPDF_Creator* pCreator, FX_BOOL bEOF) -{ - FX_FILESIZE offset_tmp = pCreator->m_Offset; - FX_DWORD objnum = ++pCreator->m_dwLastObjNum; - CFX_FileBufferArchive *pFile = &pCreator->m_File; - FX_BOOL bIncremental = (pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL) != 0; - if (bIncremental) { - AddObjectNumberToIndexArray(objnum); - } else { - for (; m_dwTempObjNum < pCreator->m_dwLastObjNum; m_dwTempObjNum++) { - FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum); - if (offset) { - _AppendIndex1(m_Buffer, *offset); - } else { - _AppendIndex0(m_Buffer, FALSE); - } - } - } - _AppendIndex1(m_Buffer, offset_tmp); - FX_FILESIZE &offset = pCreator->m_Offset; - int32_t len = pFile->AppendDWord(objnum); - if (len < 0) { - return FALSE; - } - offset += len; - if ((len = pFile->AppendString(FX_BSTRC(" 0 obj\r\n<m_Offset; + FX_DWORD objnum = ++pCreator->m_dwLastObjNum; + CFX_FileBufferArchive* pFile = &pCreator->m_File; + FX_BOOL bIncremental = (pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL) != 0; + if (bIncremental) { + AddObjectNumberToIndexArray(objnum); + } else { + for (; m_dwTempObjNum < pCreator->m_dwLastObjNum; m_dwTempObjNum++) { + FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(m_dwTempObjNum); + if (offset) { + _AppendIndex1(m_Buffer, *offset); + } else { + _AppendIndex0(m_Buffer, FALSE); + } + } + } + _AppendIndex1(m_Buffer, offset_tmp); + FX_FILESIZE& offset = pCreator->m_Offset; + int32_t len = pFile->AppendDWord(objnum); + if (len < 0) { + return FALSE; + } + offset += len; + if ((len = pFile->AppendString( + FX_BSTRC(" 0 obj\r\n<AppendDWord(0)) < 0) { + return FALSE; + } + if ((len = pFile->AppendString(FX_BSTRC(" "))) < 0) { + return FALSE; + } + offset += len + 1; + if ((len = pFile->AppendDWord(objnum + 1)) < 0) { + return FALSE; } offset += len; - if (!bIncremental) { - if ((len = pFile->AppendDWord(0)) < 0) { - return FALSE; - } - if ((len = pFile->AppendString(FX_BSTRC(" "))) < 0) { - return FALSE; - } - offset += len + 1; - if ((len = pFile->AppendDWord(objnum + 1)) < 0) { - return FALSE; - } - offset += len; - } else { - int32_t iSeg = m_IndexArray.GetSize() / 2; - for (int32_t i = 0; i < iSeg; i++) { - if ((len = pFile->AppendDWord(m_IndexArray.ElementAt(i * 2))) < 0) { - return FALSE; - } - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return FALSE; - } - offset += len + 1; - if ((len = pFile->AppendDWord(m_IndexArray.ElementAt(i * 2 + 1))) < 0) { - return FALSE; - } - if (pFile->AppendString(FX_BSTRC(" ")) < 0) { - return FALSE; - } - offset += len + 1; - } - } - if (pFile->AppendString(FX_BSTRC("]/Size ")) < 0) { + } else { + int32_t iSeg = m_IndexArray.GetSize() / 2; + for (int32_t i = 0; i < iSeg; i++) { + if ((len = pFile->AppendDWord(m_IndexArray.ElementAt(i * 2))) < 0) { return FALSE; - } - if ((len = pFile->AppendDWord(objnum + 1)) < 0) { + } + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { return FALSE; - } - offset += len + 7; - if (m_PrevOffset > 0) { - if (pFile->AppendString(FX_BSTRC("/Prev ")) < 0) { - return FALSE; - } - FX_CHAR offset_buf[20]; - FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); - FXSYS_i64toa(m_PrevOffset, offset_buf, 10); - int32_t len = (int32_t)FXSYS_strlen(offset_buf); - if (pFile->AppendBlock(offset_buf, len) < 0) { - return FALSE; - } - offset += len + 6; - } - FX_BOOL bPredictor = TRUE; - CPDF_FlateEncoder encoder; - encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(), pCreator->m_bCompress, bPredictor); - if (pCreator->m_bCompress) { - if (pFile->AppendString(FX_BSTRC("/Filter /FlateDecode")) < 0) { - return FALSE; - } - offset += 20; - if (bPredictor) { - if ((len = pFile->AppendString(FX_BSTRC("/DecodeParms<>"))) < 0) { - return FALSE; - } - offset += len; - } - } - if (pFile->AppendString(FX_BSTRC("/Length ")) < 0) { + } + offset += len + 1; + if ((len = pFile->AppendDWord(m_IndexArray.ElementAt(i * 2 + 1))) < 0) { return FALSE; - } - if ((len = pFile->AppendDWord(encoder.m_dwSize)) < 0) { + } + if (pFile->AppendString(FX_BSTRC(" ")) < 0) { return FALSE; + } + offset += len + 1; + } + } + if (pFile->AppendString(FX_BSTRC("]/Size ")) < 0) { + return FALSE; + } + if ((len = pFile->AppendDWord(objnum + 1)) < 0) { + return FALSE; + } + offset += len + 7; + if (m_PrevOffset > 0) { + if (pFile->AppendString(FX_BSTRC("/Prev ")) < 0) { + return FALSE; } - offset += len + 8; - if (bEOF) { - if ((len = PDF_CreatorWriteTrailer(pCreator->m_pDocument, pFile, pCreator->m_pIDArray, pCreator->m_bCompress)) < 0) { - return FALSE; - } - offset += len; - if (pCreator->m_pEncryptDict) { - FX_DWORD dwEncryptObjNum = pCreator->m_pEncryptDict->GetObjNum(); - if (dwEncryptObjNum == 0) { - dwEncryptObjNum = pCreator->m_dwEnryptObjNum; - } - if ((len = PDF_CreatorWriteEncrypt(pCreator->m_pEncryptDict, dwEncryptObjNum, pFile)) < 0) { - return FALSE; - } - offset += len; - } + FX_CHAR offset_buf[20]; + FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); + FXSYS_i64toa(m_PrevOffset, offset_buf, 10); + int32_t len = (int32_t)FXSYS_strlen(offset_buf); + if (pFile->AppendBlock(offset_buf, len) < 0) { + return FALSE; } - if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + offset += len + 6; + } + FX_BOOL bPredictor = TRUE; + CPDF_FlateEncoder encoder; + encoder.Initialize(m_Buffer.GetBuffer(), m_Buffer.GetLength(), + pCreator->m_bCompress, bPredictor); + if (pCreator->m_bCompress) { + if (pFile->AppendString(FX_BSTRC("/Filter /FlateDecode")) < 0) { + return FALSE; + } + offset += 20; + if (bPredictor) { + if ((len = pFile->AppendString( + FX_BSTRC("/DecodeParms<>"))) < 0) { return FALSE; + } + offset += len; + } + } + if (pFile->AppendString(FX_BSTRC("/Length ")) < 0) { + return FALSE; + } + if ((len = pFile->AppendDWord(encoder.m_dwSize)) < 0) { + return FALSE; + } + offset += len + 8; + if (bEOF) { + if ((len = PDF_CreatorWriteTrailer(pCreator->m_pDocument, pFile, + pCreator->m_pIDArray, + pCreator->m_bCompress)) < 0) { + return FALSE; } offset += len; - if (pFile->AppendBlock(encoder.m_pData, encoder.m_dwSize) < 0) { - return FALSE; - } - if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream\r\nendobj\r\n"))) < 0) { + if (pCreator->m_pEncryptDict) { + FX_DWORD dwEncryptObjNum = pCreator->m_pEncryptDict->GetObjNum(); + if (dwEncryptObjNum == 0) { + dwEncryptObjNum = pCreator->m_dwEnryptObjNum; + } + if ((len = PDF_CreatorWriteEncrypt(pCreator->m_pEncryptDict, + dwEncryptObjNum, pFile)) < 0) { return FALSE; - } - offset += encoder.m_dwSize + len; - m_PrevOffset = offset_tmp; - return TRUE; + } + offset += len; + } + } + if ((len = pFile->AppendString(FX_BSTRC(">>stream\r\n"))) < 0) { + return FALSE; + } + offset += len; + if (pFile->AppendBlock(encoder.m_pData, encoder.m_dwSize) < 0) { + return FALSE; + } + if ((len = pFile->AppendString(FX_BSTRC("\r\nendstream\r\nendobj\r\n"))) < + 0) { + return FALSE; + } + offset += encoder.m_dwSize + len; + m_PrevOffset = offset_tmp; + return TRUE; } -FX_BOOL CPDF_XRefStream::End(CPDF_Creator *pCreator, FX_BOOL bEOF ) -{ - if (EndObjectStream(pCreator, bEOF) < 0) { - return FALSE; - } - return GenerateXRefStream(pCreator, bEOF); +FX_BOOL CPDF_XRefStream::End(CPDF_Creator* pCreator, FX_BOOL bEOF) { + if (EndObjectStream(pCreator, bEOF) < 0) { + return FALSE; + } + return GenerateXRefStream(pCreator, bEOF); } -FX_BOOL CPDF_XRefStream::EndXRefStream(CPDF_Creator* pCreator) -{ - if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) { - _AppendIndex0(m_Buffer); - for (FX_DWORD i = 1; i < pCreator->m_dwLastObjNum + 1; i++) { - FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(i); - if (offset) { - _AppendIndex1(m_Buffer, *offset); - } else { - _AppendIndex0(m_Buffer, FALSE); - } - } - } else { - int32_t iSeg = m_IndexArray.GetSize() / 2; - for (int i = 0; i < iSeg; i++) { - FX_DWORD start = m_IndexArray.ElementAt(i * 2); - FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start; - for (FX_DWORD j = start; j < end; j++) { - _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[j]); - } - } - } - return GenerateXRefStream(pCreator, FALSE); +FX_BOOL CPDF_XRefStream::EndXRefStream(CPDF_Creator* pCreator) { + if (!(pCreator->m_dwFlags & FPDFCREATE_INCREMENTAL)) { + _AppendIndex0(m_Buffer); + for (FX_DWORD i = 1; i < pCreator->m_dwLastObjNum + 1; i++) { + FX_FILESIZE* offset = pCreator->m_ObjectOffset.GetPtrAt(i); + if (offset) { + _AppendIndex1(m_Buffer, *offset); + } else { + _AppendIndex0(m_Buffer, FALSE); + } + } + } else { + int32_t iSeg = m_IndexArray.GetSize() / 2; + for (int i = 0; i < iSeg; i++) { + FX_DWORD start = m_IndexArray.ElementAt(i * 2); + FX_DWORD end = m_IndexArray.ElementAt(i * 2 + 1) + start; + for (FX_DWORD j = start; j < end; j++) { + _AppendIndex1(m_Buffer, pCreator->m_ObjectOffset[j]); + } + } + } + return GenerateXRefStream(pCreator, FALSE); } -FX_BOOL CPDF_XRefStream::AddObjectNumberToIndexArray(FX_DWORD objnum) -{ - int32_t iSize = m_IndexArray.GetSize(); - if (iSize == 0) { - m_IndexArray.Add(objnum); - m_IndexArray.Add(1); +FX_BOOL CPDF_XRefStream::AddObjectNumberToIndexArray(FX_DWORD objnum) { + int32_t iSize = m_IndexArray.GetSize(); + if (iSize == 0) { + m_IndexArray.Add(objnum); + m_IndexArray.Add(1); + } else { + FXSYS_assert(iSize > 1); + FX_DWORD startobjnum = m_IndexArray.ElementAt(iSize - 2); + int32_t iCount = m_IndexArray.ElementAt(iSize - 1); + if (objnum == startobjnum + iCount) { + m_IndexArray[iSize - 1] = iCount + 1; } else { - FXSYS_assert(iSize > 1); - FX_DWORD startobjnum = m_IndexArray.ElementAt(iSize - 2); - int32_t iCount = m_IndexArray.ElementAt(iSize - 1); - if (objnum == startobjnum + iCount) { - m_IndexArray[iSize - 1] = iCount + 1; - } else { - m_IndexArray.Add(objnum); - m_IndexArray.Add(1); - } + m_IndexArray.Add(objnum); + m_IndexArray.Add(1); } - return TRUE; + } + return TRUE; } -CPDF_Creator::CPDF_Creator(CPDF_Document* pDoc) -{ - m_pDocument = pDoc; - m_pParser = (CPDF_Parser*)pDoc->m_pParser; - m_bCompress = TRUE; - if (m_pParser) { - m_pEncryptDict = m_pParser->GetEncryptDict(); - m_pCryptoHandler = m_pParser->GetCryptoHandler(); - } else { - m_pEncryptDict = NULL; - m_pCryptoHandler = NULL; - } - m_bSecurityChanged = FALSE; - m_bStandardSecurity = FALSE; - m_pMetadata = NULL; - m_bEncryptCloned = FALSE; - m_bEncryptMetadata = FALSE; - m_Offset = 0; - m_iStage = -1; - m_dwFlags = 0; - m_Pos = NULL; - m_XrefStart = 0; - m_pXRefStream = NULL; - m_ObjectStreamSize = 200; - m_dwLastObjNum = m_pDocument->GetLastObjNum(); - m_pIDArray = NULL; - m_FileVersion = 0; - m_dwEnryptObjNum = 0; - m_bNewCrypto = FALSE; +CPDF_Creator::CPDF_Creator(CPDF_Document* pDoc) { + m_pDocument = pDoc; + m_pParser = (CPDF_Parser*)pDoc->m_pParser; + m_bCompress = TRUE; + if (m_pParser) { + m_pEncryptDict = m_pParser->GetEncryptDict(); + m_pCryptoHandler = m_pParser->GetCryptoHandler(); + } else { + m_pEncryptDict = NULL; + m_pCryptoHandler = NULL; + } + m_bSecurityChanged = FALSE; + m_bStandardSecurity = FALSE; + m_pMetadata = NULL; + m_bEncryptCloned = FALSE; + m_bEncryptMetadata = FALSE; + m_Offset = 0; + m_iStage = -1; + m_dwFlags = 0; + m_Pos = NULL; + m_XrefStart = 0; + m_pXRefStream = NULL; + m_ObjectStreamSize = 200; + m_dwLastObjNum = m_pDocument->GetLastObjNum(); + m_pIDArray = NULL; + m_FileVersion = 0; + m_dwEnryptObjNum = 0; + m_bNewCrypto = FALSE; } -CPDF_Creator::~CPDF_Creator() -{ - ResetStandardSecurity(); - if (m_bEncryptCloned && m_pEncryptDict) { - m_pEncryptDict->Release(); - m_pEncryptDict = NULL; - } - Clear(); +CPDF_Creator::~CPDF_Creator() { + ResetStandardSecurity(); + if (m_bEncryptCloned && m_pEncryptDict) { + m_pEncryptDict->Release(); + m_pEncryptDict = NULL; + } + Clear(); } -static FX_BOOL _IsXRefNeedEnd(CPDF_XRefStream* pXRef, FX_DWORD flag) -{ - if (!(flag & FPDFCREATE_INCREMENTAL)) { - return FALSE; - } - int32_t iSize = pXRef->m_IndexArray.GetSize() / 2; - int32_t iCount = 0; - for (int32_t i = 0; i < iSize; i++) { - iCount += pXRef->m_IndexArray.ElementAt(i * 2 + 1); - } - return (iCount >= PDF_XREFSTREAM_MAXSIZE); +static FX_BOOL _IsXRefNeedEnd(CPDF_XRefStream* pXRef, FX_DWORD flag) { + if (!(flag & FPDFCREATE_INCREMENTAL)) { + return FALSE; + } + int32_t iSize = pXRef->m_IndexArray.GetSize() / 2; + int32_t iCount = 0; + for (int32_t i = 0; i < iSize; i++) { + iCount += pXRef->m_IndexArray.ElementAt(i * 2 + 1); + } + return (iCount >= PDF_XREFSTREAM_MAXSIZE); } -int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) -{ - if (!m_pXRefStream) { - return 1; - } - FX_DWORD objnum = pObj->GetObjNum(); - if (m_pParser && m_pParser->m_ObjVersion.GetSize() > (int32_t)objnum && m_pParser->m_ObjVersion[objnum] > 0) { - return 1; - } - if (pObj->GetType() == PDFOBJ_NUMBER) { - return 1; - } - CPDF_Dictionary *pDict = pObj->GetDict(); - if (pObj->GetType() == PDFOBJ_STREAM) { - if (pDict && pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("XRef")) { - return 0; - } - return 1; - } - if (pDict) { - if (pDict == m_pDocument->m_pRootDict || pDict == m_pEncryptDict) { - return 1; - } - if (IsSignatureDict(pDict)) { - return 1; - } - if (pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("Page")) { - return 1; - } - } - m_pXRefStream->AddObjectNumberToIndexArray(objnum); - if (m_pXRefStream->CompressIndirectObject(objnum, pObj, this) < 0) { - return -1; - } - if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { - return 0; - } - if (!m_pXRefStream->End(this)) { - return -1; - } - if (!m_pXRefStream->Start()) { - return -1; +int32_t CPDF_Creator::WriteIndirectObjectToStream(const CPDF_Object* pObj) { + if (!m_pXRefStream) { + return 1; + } + FX_DWORD objnum = pObj->GetObjNum(); + if (m_pParser && m_pParser->m_ObjVersion.GetSize() > (int32_t)objnum && + m_pParser->m_ObjVersion[objnum] > 0) { + return 1; + } + if (pObj->GetType() == PDFOBJ_NUMBER) { + return 1; + } + CPDF_Dictionary* pDict = pObj->GetDict(); + if (pObj->GetType() == PDFOBJ_STREAM) { + if (pDict && pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("XRef")) { + return 0; } + return 1; + } + if (pDict) { + if (pDict == m_pDocument->m_pRootDict || pDict == m_pEncryptDict) { + return 1; + } + if (IsSignatureDict(pDict)) { + return 1; + } + if (pDict->GetString(FX_BSTRC("Type")) == FX_BSTRC("Page")) { + return 1; + } + } + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + if (m_pXRefStream->CompressIndirectObject(objnum, pObj, this) < 0) { + return -1; + } + if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { return 0; + } + if (!m_pXRefStream->End(this)) { + return -1; + } + if (!m_pXRefStream->Start()) { + return -1; + } + return 0; } -int32_t CPDF_Creator::WriteIndirectObjectToStream(FX_DWORD objnum, const uint8_t* pBuffer, FX_DWORD dwSize) -{ - if (!m_pXRefStream) { - return 1; - } - m_pXRefStream->AddObjectNumberToIndexArray(objnum); - int32_t iRet = m_pXRefStream->CompressIndirectObject(objnum, pBuffer, dwSize, this); - if (iRet < 1) { - return iRet; - } - if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { - return 0; - } - if (!m_pXRefStream->End(this)) { - return -1; - } - if (!m_pXRefStream->Start()) { - return -1; - } +int32_t CPDF_Creator::WriteIndirectObjectToStream(FX_DWORD objnum, + const uint8_t* pBuffer, + FX_DWORD dwSize) { + if (!m_pXRefStream) { + return 1; + } + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + int32_t iRet = + m_pXRefStream->CompressIndirectObject(objnum, pBuffer, dwSize, this); + if (iRet < 1) { + return iRet; + } + if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { return 0; + } + if (!m_pXRefStream->End(this)) { + return -1; + } + if (!m_pXRefStream->Start()) { + return -1; + } + return 0; } -int32_t CPDF_Creator::AppendObjectNumberToXRef(FX_DWORD objnum) -{ - if (!m_pXRefStream) { - return 1; - } - m_pXRefStream->AddObjectNumberToIndexArray(objnum); - if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { - return 0; - } - if (!m_pXRefStream->End(this)) { - return -1; - } - if (!m_pXRefStream->Start()) { - return -1; - } +int32_t CPDF_Creator::AppendObjectNumberToXRef(FX_DWORD objnum) { + if (!m_pXRefStream) { + return 1; + } + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + if (!_IsXRefNeedEnd(m_pXRefStream, m_dwFlags)) { return 0; + } + if (!m_pXRefStream->End(this)) { + return -1; + } + if (!m_pXRefStream->Start()) { + return -1; + } + return 0; } -int32_t CPDF_Creator::WriteStream(const CPDF_Object* pStream, FX_DWORD objnum, CPDF_CryptoHandler* pCrypto) -{ - CPDF_FlateEncoder encoder; - encoder.Initialize((CPDF_Stream*)pStream, pStream == m_pMetadata ? FALSE : m_bCompress); - CPDF_Encryptor encryptor; - if(!encryptor.Initialize(pCrypto, objnum, encoder.m_pData, encoder.m_dwSize)) { +int32_t CPDF_Creator::WriteStream(const CPDF_Object* pStream, + FX_DWORD objnum, + CPDF_CryptoHandler* pCrypto) { + CPDF_FlateEncoder encoder; + encoder.Initialize((CPDF_Stream*)pStream, + pStream == m_pMetadata ? FALSE : m_bCompress); + CPDF_Encryptor encryptor; + if (!encryptor.Initialize(pCrypto, objnum, encoder.m_pData, + encoder.m_dwSize)) { + return -1; + } + if ((FX_DWORD)encoder.m_pDict->GetInteger(FX_BSTRC("Length")) != + encryptor.m_dwSize) { + encoder.CloneDict(); + encoder.m_pDict->SetAtInteger(FX_BSTRC("Length"), encryptor.m_dwSize); + } + if (WriteDirectObj(objnum, encoder.m_pDict) < 0) { + return -1; + } + int len = m_File.AppendString(FX_BSTRC("stream\r\n")); + if (len < 0) { + return -1; + } + m_Offset += len; + if (m_File.AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { + return -1; + } + m_Offset += encryptor.m_dwSize; + if ((len = m_File.AppendString(FX_BSTRC("\r\nendstream"))) < 0) { + return -1; + } + m_Offset += len; + return 1; +} +int32_t CPDF_Creator::WriteIndirectObj(FX_DWORD objnum, + const CPDF_Object* pObj) { + int32_t len = m_File.AppendDWord(objnum); + if (len < 0) { + return -1; + } + m_Offset += len; + if ((len = m_File.AppendString(FX_BSTRC(" 0 obj\r\n"))) < 0) { + return -1; + } + m_Offset += len; + if (pObj->GetType() == PDFOBJ_STREAM) { + CPDF_CryptoHandler* pHandler = NULL; + pHandler = + (pObj == m_pMetadata && !m_bEncryptMetadata) ? NULL : m_pCryptoHandler; + if (WriteStream(pObj, objnum, pHandler) < 0) { + return -1; + } + } else { + if (WriteDirectObj(objnum, pObj) < 0) { + return -1; + } + } + if ((len = m_File.AppendString(FX_BSTRC("\r\nendobj\r\n"))) < 0) { + return -1; + } + m_Offset += len; + if (AppendObjectNumberToXRef(objnum) < 0) { + return -1; + } + return 0; +} +int32_t CPDF_Creator::WriteIndirectObj(const CPDF_Object* pObj) { + int32_t iRet = WriteIndirectObjectToStream(pObj); + if (iRet < 1) { + return iRet; + } + return WriteIndirectObj(pObj->GetObjNum(), pObj); +} +int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum, + const CPDF_Object* pObj, + FX_BOOL bEncrypt) { + int32_t len = 0; + if (pObj == NULL) { + if (m_File.AppendString(FX_BSTRC(" null")) < 0) { + return -1; + } + m_Offset += 5; + return 1; + } + switch (pObj->GetType()) { + case PDFOBJ_NULL: + if (m_File.AppendString(FX_BSTRC(" null")) < 0) { return -1; - } - if ((FX_DWORD)encoder.m_pDict->GetInteger(FX_BSTRC("Length")) != encryptor.m_dwSize) { + } + m_Offset += 5; + break; + case PDFOBJ_BOOLEAN: + case PDFOBJ_NUMBER: + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = m_File.AppendString(pObj->GetString())) < 0) { + return -1; + } + m_Offset += len + 1; + break; + case PDFOBJ_STRING: { + CFX_ByteString str = pObj->GetString(); + FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex(); + if (m_pCryptoHandler == NULL || !bEncrypt) { + CFX_ByteString content = PDF_EncodeString(str, bHex); + if ((len = m_File.AppendString(content)) < 0) { + return -1; + } + m_Offset += len; + break; + } + CPDF_Encryptor encryptor; + encryptor.Initialize(m_pCryptoHandler, objnum, (uint8_t*)str.c_str(), + str.GetLength()); + CFX_ByteString content = PDF_EncodeString( + CFX_ByteString((const FX_CHAR*)encryptor.m_pData, encryptor.m_dwSize), + bHex); + if ((len = m_File.AppendString(content)) < 0) { + return -1; + } + m_Offset += len; + break; + } + case PDFOBJ_STREAM: { + CPDF_FlateEncoder encoder; + encoder.Initialize((CPDF_Stream*)pObj, m_bCompress); + CPDF_Encryptor encryptor; + CPDF_CryptoHandler* pHandler = m_pCryptoHandler; + encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize); + if ((FX_DWORD)encoder.m_pDict->GetInteger(FX_BSTRC("Length")) != + encryptor.m_dwSize) { encoder.CloneDict(); encoder.m_pDict->SetAtInteger(FX_BSTRC("Length"), encryptor.m_dwSize); - } - if (WriteDirectObj(objnum, encoder.m_pDict) < 0) { + } + if (WriteDirectObj(objnum, encoder.m_pDict) < 0) { return -1; - } - int len = m_File.AppendString(FX_BSTRC("stream\r\n")); - if (len < 0) { + } + if ((len = m_File.AppendString(FX_BSTRC("stream\r\n"))) < 0) { return -1; - } - m_Offset += len; - if (m_File.AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { + } + m_Offset += len; + if (m_File.AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { return -1; - } - m_Offset += encryptor.m_dwSize; - if ((len = m_File.AppendString(FX_BSTRC("\r\nendstream"))) < 0) { + } + m_Offset += encryptor.m_dwSize; + if ((len = m_File.AppendString(FX_BSTRC("\r\nendstream"))) < 0) { return -1; + } + m_Offset += len; + break; } - m_Offset += len; - return 1; -} -int32_t CPDF_Creator::WriteIndirectObj(FX_DWORD objnum, const CPDF_Object* pObj) -{ - int32_t len = m_File.AppendDWord(objnum); - if (len < 0) { + case PDFOBJ_NAME: { + if (m_File.AppendString(FX_BSTRC("/")) < 0) { return -1; + } + CFX_ByteString str = pObj->GetString(); + if ((len = m_File.AppendString(PDF_NameEncode(str))) < 0) { + return -1; + } + m_Offset += len + 1; + break; } - m_Offset += len; - if ((len = m_File.AppendString(FX_BSTRC(" 0 obj\r\n"))) < 0) { + case PDFOBJ_REFERENCE: { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + CPDF_Reference* p = (CPDF_Reference*)pObj; + if ((len = m_File.AppendDWord(p->GetRefObjNum())) < 0) { return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + m_Offset += len + 5; + break; } - m_Offset += len; - if (pObj->GetType() == PDFOBJ_STREAM) { - CPDF_CryptoHandler *pHandler = NULL; - pHandler = (pObj == m_pMetadata && !m_bEncryptMetadata) ? NULL : m_pCryptoHandler; - if (WriteStream(pObj, objnum, pHandler) < 0) { + case PDFOBJ_ARRAY: { + if (m_File.AppendString(FX_BSTRC("[")) < 0) { + return -1; + } + m_Offset += 1; + CPDF_Array* p = (CPDF_Array*)pObj; + for (FX_DWORD i = 0; i < p->GetCount(); i++) { + CPDF_Object* pElement = p->GetElement(i); + if (pElement->GetObjNum()) { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = m_File.AppendDWord(pElement->GetObjNum())) < 0) { return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) { + return -1; + } + m_Offset += len + 5; + } else { + if (WriteDirectObj(objnum, pElement) < 0) { + return -1; + } } - } else { - if (WriteDirectObj(objnum, pObj) < 0) { + } + if (m_File.AppendString(FX_BSTRC("]")) < 0) { + return -1; + } + m_Offset += 1; + break; + } + case PDFOBJ_DICTIONARY: { + if (m_pCryptoHandler == NULL || pObj == m_pEncryptDict) { + return PDF_CreatorAppendObject(pObj, &m_File, m_Offset); + } + if (m_File.AppendString(FX_BSTRC("<<")) < 0) { + return -1; + } + m_Offset += 2; + CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + FX_BOOL bSignDict = IsSignatureDict(p); + FX_POSITION pos = p->GetStartPos(); + while (pos) { + FX_BOOL bSignValue = FALSE; + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (m_File.AppendString(FX_BSTRC("/")) < 0) { + return -1; + } + if ((len = m_File.AppendString(PDF_NameEncode(key))) < 0) { + return -1; + } + m_Offset += len + 1; + if (bSignDict && key == FX_BSTRC("Contents")) { + bSignValue = TRUE; + } + if (pValue->GetObjNum()) { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if ((len = m_File.AppendDWord(pValue->GetObjNum())) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { return -1; + } + m_Offset += len + 6; + } else { + if (WriteDirectObj(objnum, pValue, !bSignValue) < 0) { + return -1; + } } - } - if ((len = m_File.AppendString(FX_BSTRC("\r\nendobj\r\n"))) < 0) { + } + if (m_File.AppendString(FX_BSTRC(">>")) < 0) { return -1; + } + m_Offset += 2; + break; } - m_Offset += len; - if (AppendObjectNumberToXRef(objnum) < 0) { + } + return 1; +} +int32_t CPDF_Creator::WriteOldIndirectObject(FX_DWORD objnum) { + if (m_pParser->m_V5Type[objnum] == 0 || m_pParser->m_V5Type[objnum] == 255) { + return 0; + } + m_ObjectOffset[objnum] = m_Offset; + void* valuetemp = NULL; + FX_BOOL bExistInMap = + m_pDocument->m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, valuetemp); + FX_BOOL bObjStm = + (m_pParser->m_V5Type[objnum] == 2) && m_pEncryptDict && !m_pXRefStream; + if (m_pParser->m_bVersionUpdated || m_bSecurityChanged || bExistInMap || + bObjStm) { + CPDF_Object* pObj = m_pDocument->GetIndirectObject(objnum); + if (pObj == NULL) { + m_ObjectOffset[objnum] = 0; + m_ObjectSize[objnum] = 0; + return 0; + } + if (WriteIndirectObj(pObj)) { + return -1; + } + if (!bExistInMap) { + m_pDocument->ReleaseIndirectObject(objnum); + } + } else { + uint8_t* pBuffer; + FX_DWORD size; + m_pParser->GetIndirectBinary(objnum, pBuffer, size); + if (pBuffer == NULL) { + return 0; + } + if (m_pParser->m_V5Type[objnum] == 2) { + if (m_pXRefStream) { + if (WriteIndirectObjectToStream(objnum, pBuffer, size) < 0) { + FX_Free(pBuffer); + return -1; + } + } else { + int32_t len = m_File.AppendDWord(objnum); + if (len < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 obj ")) < 0) { + return -1; + } + m_Offset += len + 7; + if (m_File.AppendBlock(pBuffer, size) < 0) { + return -1; + } + m_Offset += size; + if (m_File.AppendString(FX_BSTRC("\r\nendobj\r\n")) < 0) { + return -1; + } + m_Offset += 10; + } + } else { + if (m_File.AppendBlock(pBuffer, size) < 0) { return -1; + } + m_Offset += size; + if (AppendObjectNumberToXRef(objnum) < 0) { + return -1; + } } - return 0; + FX_Free(pBuffer); + } + return 1; } -int32_t CPDF_Creator::WriteIndirectObj(const CPDF_Object* pObj) -{ - int32_t iRet = WriteIndirectObjectToStream(pObj); - if (iRet < 1) { - return iRet; - } - return WriteIndirectObj(pObj->GetObjNum(), pObj); +int32_t CPDF_Creator::WriteOldObjs(IFX_Pause* pPause) { + FX_DWORD nOldSize = m_pParser->m_CrossRef.GetSize(); + FX_DWORD objnum = (FX_DWORD)(uintptr_t)m_Pos; + for (; objnum < nOldSize; objnum++) { + int32_t iRet = WriteOldIndirectObject(objnum); + if (!iRet) { + continue; + } + if (iRet < 0) { + return iRet; + } + m_ObjectSize[objnum] = (FX_DWORD)(m_Offset - m_ObjectOffset[objnum]); + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (void*)(uintptr_t)(objnum + 1); + return 1; + } + } + return 0; } -int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum, const CPDF_Object* pObj, FX_BOOL bEncrypt) -{ - int32_t len = 0; - if (pObj == NULL) { - if (m_File.AppendString(FX_BSTRC(" null")) < 0) { - return -1; - } - m_Offset += 5; - return 1; +int32_t CPDF_Creator::WriteNewObjs(FX_BOOL bIncremental, IFX_Pause* pPause) { + int32_t iCount = m_NewObjNumArray.GetSize(); + int32_t index = (int32_t)(uintptr_t)m_Pos; + while (index < iCount) { + FX_DWORD objnum = m_NewObjNumArray.ElementAt(index); + CPDF_Object* pObj = NULL; + m_pDocument->m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, (void*&)pObj); + if (NULL == pObj) { + ++index; + continue; } - switch (pObj->GetType()) { - case PDFOBJ_NULL: - if (m_File.AppendString(FX_BSTRC(" null")) < 0) { - return -1; - } - m_Offset += 5; - break; - case PDFOBJ_BOOLEAN: - case PDFOBJ_NUMBER: - if (m_File.AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = m_File.AppendString(pObj->GetString())) < 0) { - return -1; - } - m_Offset += len + 1; - break; - case PDFOBJ_STRING: { - CFX_ByteString str = pObj->GetString(); - FX_BOOL bHex = ((CPDF_String*)pObj)->IsHex(); - if (m_pCryptoHandler == NULL || !bEncrypt) { - CFX_ByteString content = PDF_EncodeString(str, bHex); - if ((len = m_File.AppendString(content)) < 0) { - return -1; - } - m_Offset += len; - break; - } - CPDF_Encryptor encryptor; - encryptor.Initialize(m_pCryptoHandler, objnum, (uint8_t*)str.c_str(), str.GetLength()); - CFX_ByteString content = PDF_EncodeString(CFX_ByteString((const FX_CHAR*)encryptor.m_pData, encryptor.m_dwSize), bHex); - if ((len = m_File.AppendString(content)) < 0) { - return -1; - } - m_Offset += len; - break; - } - case PDFOBJ_STREAM: { - CPDF_FlateEncoder encoder; - encoder.Initialize((CPDF_Stream*)pObj, m_bCompress); - CPDF_Encryptor encryptor; - CPDF_CryptoHandler* pHandler = m_pCryptoHandler; - encryptor.Initialize(pHandler, objnum, encoder.m_pData, encoder.m_dwSize); - if ((FX_DWORD)encoder.m_pDict->GetInteger(FX_BSTRC("Length")) != encryptor.m_dwSize) { - encoder.CloneDict(); - encoder.m_pDict->SetAtInteger(FX_BSTRC("Length"), encryptor.m_dwSize); - } - if (WriteDirectObj(objnum, encoder.m_pDict) < 0) { - return -1; - } - if ((len = m_File.AppendString(FX_BSTRC("stream\r\n"))) < 0) { - return -1; - } - m_Offset += len; - if (m_File.AppendBlock(encryptor.m_pData, encryptor.m_dwSize) < 0) { - return -1; - } - m_Offset += encryptor.m_dwSize; - if ((len = m_File.AppendString(FX_BSTRC("\r\nendstream"))) < 0) { - return -1; - } - m_Offset += len; - break; - } - case PDFOBJ_NAME: { - if (m_File.AppendString(FX_BSTRC("/")) < 0) { - return -1; - } - CFX_ByteString str = pObj->GetString(); - if ((len = m_File.AppendString(PDF_NameEncode(str))) < 0) { - return -1; - } - m_Offset += len + 1; - break; - } - case PDFOBJ_REFERENCE: { - if (m_File.AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - CPDF_Reference* p = (CPDF_Reference*)pObj; - if ((len = m_File.AppendDWord(p->GetRefObjNum())) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) { - return -1; - } - m_Offset += len + 5; - break; - } - case PDFOBJ_ARRAY: { - if (m_File.AppendString(FX_BSTRC("[")) < 0) { - return -1; - } - m_Offset += 1; - CPDF_Array* p = (CPDF_Array*)pObj; - for (FX_DWORD i = 0; i < p->GetCount(); i ++) { - CPDF_Object* pElement = p->GetElement(i); - if (pElement->GetObjNum()) { - if (m_File.AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = m_File.AppendDWord(pElement->GetObjNum())) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R")) < 0) { - return -1; - } - m_Offset += len + 5; - } else { - if (WriteDirectObj(objnum, pElement) < 0) { - return -1; - } - } - } - if (m_File.AppendString(FX_BSTRC("]")) < 0) { - return -1; - } - m_Offset += 1; - break; - } - case PDFOBJ_DICTIONARY: { - if (m_pCryptoHandler == NULL || pObj == m_pEncryptDict) { - return PDF_CreatorAppendObject(pObj, &m_File, m_Offset); - } - if (m_File.AppendString(FX_BSTRC("<<")) < 0) { - return -1; - } - m_Offset += 2; - CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; - FX_BOOL bSignDict = IsSignatureDict(p); - FX_POSITION pos = p->GetStartPos(); - while (pos) { - FX_BOOL bSignValue = FALSE; - CFX_ByteString key; - CPDF_Object* pValue = p->GetNextElement(pos, key); - if (m_File.AppendString(FX_BSTRC("/")) < 0) { - return -1; - } - if ((len = m_File.AppendString(PDF_NameEncode(key))) < 0) { - return -1; - } - m_Offset += len + 1; - if (bSignDict && key == FX_BSTRC("Contents")) { - bSignValue = TRUE; - } - if (pValue->GetObjNum()) { - if (m_File.AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if ((len = m_File.AppendDWord(pValue->GetObjNum())) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { - return -1; - } - m_Offset += len + 6; - } else { - if (WriteDirectObj(objnum, pValue, !bSignValue) < 0) { - return -1; - } - } - } - if (m_File.AppendString(FX_BSTRC(">>")) < 0) { - return -1; - } - m_Offset += 2; - break; - } + m_ObjectOffset[objnum] = m_Offset; + if (WriteIndirectObj(pObj)) { + return -1; } - return 1; + m_ObjectSize[objnum] = (FX_DWORD)(m_Offset - m_ObjectOffset[objnum]); + index++; + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (FX_POSITION)(uintptr_t)index; + return 1; + } + } + return 0; } -int32_t CPDF_Creator::WriteOldIndirectObject(FX_DWORD objnum) -{ - if(m_pParser->m_V5Type[objnum] == 0 || m_pParser->m_V5Type[objnum] == 255) { - return 0; +void CPDF_Creator::InitOldObjNumOffsets() { + if (!m_pParser) { + return; + } + FX_DWORD j = 0; + FX_DWORD dwStart = 0; + FX_DWORD dwEnd = m_pParser->GetLastObjNum(); + while (dwStart <= dwEnd) { + while (dwStart <= dwEnd && (m_pParser->m_V5Type[dwStart] == 0 || + m_pParser->m_V5Type[dwStart] == 255)) { + dwStart++; + } + if (dwStart > dwEnd) { + break; + } + j = dwStart; + while (j <= dwEnd && m_pParser->m_V5Type[j] != 0 && + m_pParser->m_V5Type[j] != 255) { + j++; + } + m_ObjectOffset.Add(dwStart, j - dwStart); + m_ObjectSize.Add(dwStart, j - dwStart); + dwStart = j; + } +} +void CPDF_Creator::InitNewObjNumOffsets() { + FX_BOOL bIncremental = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0; + FX_BOOL bNoOriginal = (m_dwFlags & FPDFCREATE_NO_ORIGINAL) != 0; + FX_DWORD nOldSize = m_pParser ? m_pParser->m_CrossRef.GetSize() : 0; + FX_POSITION pos = m_pDocument->m_IndirectObjs.GetStartPosition(); + while (pos) { + size_t key = 0; + CPDF_Object* pObj; + m_pDocument->m_IndirectObjs.GetNextAssoc(pos, (void*&)key, (void*&)pObj); + FX_DWORD objnum = (FX_DWORD)key; + if (pObj->GetObjNum() == -1) { + continue; } - m_ObjectOffset[objnum] = m_Offset; - void* valuetemp = NULL; - FX_BOOL bExistInMap = m_pDocument->m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, valuetemp); - FX_BOOL bObjStm = (m_pParser->m_V5Type[objnum] == 2) && m_pEncryptDict && !m_pXRefStream; - if(m_pParser->m_bVersionUpdated || m_bSecurityChanged || bExistInMap || bObjStm) { - CPDF_Object* pObj = m_pDocument->GetIndirectObject(objnum); - if (pObj == NULL) { - m_ObjectOffset[objnum] = 0; - m_ObjectSize[objnum] = 0; - return 0; - } - if (WriteIndirectObj(pObj)) { - return -1; - } - if (!bExistInMap) { - m_pDocument->ReleaseIndirectObject(objnum); - } + if (bIncremental) { + if (!pObj->IsModified()) { + continue; + } } else { - uint8_t* pBuffer; - FX_DWORD size; - m_pParser->GetIndirectBinary(objnum, pBuffer, size); - if (pBuffer == NULL) { - return 0; - } - if (m_pParser->m_V5Type[objnum] == 2) { - if (m_pXRefStream) { - if (WriteIndirectObjectToStream(objnum, pBuffer, size) < 0) { - FX_Free(pBuffer); - return -1; - } - } else { - int32_t len = m_File.AppendDWord(objnum); - if (len < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 obj ")) < 0) { - return -1; - } - m_Offset += len + 7; - if (m_File.AppendBlock(pBuffer, size) < 0) { - return -1; - } - m_Offset += size; - if (m_File.AppendString(FX_BSTRC("\r\nendobj\r\n")) < 0) { - return -1; - } - m_Offset += 10; - } - } else { - if (m_File.AppendBlock(pBuffer, size) < 0) { - return -1; - } - m_Offset += size; - if(AppendObjectNumberToXRef(objnum) < 0) { - return -1; - } - } - FX_Free(pBuffer); + if (objnum < nOldSize && m_pParser->m_V5Type[objnum] != 0) { + continue; + } + } + AppendNewObjNum(objnum); + } + int32_t iCount = m_NewObjNumArray.GetSize(); + if (iCount == 0) { + return; + } + int32_t i = 0; + FX_DWORD dwStartObjNum = 0; + FX_BOOL bCrossRefValid = m_pParser && m_pParser->GetLastXRefOffset() > 0; + while (i < iCount) { + dwStartObjNum = m_NewObjNumArray.ElementAt(i); + if ((bIncremental && (bNoOriginal || bCrossRefValid)) || + !m_ObjectOffset.GetPtrAt(dwStartObjNum)) { + break; } - return 1; + i++; + } + if (i >= iCount) { + return; + } + FX_DWORD dwLastObjNum = dwStartObjNum; + i++; + FX_BOOL bNewStart = FALSE; + for (; i < iCount; i++) { + FX_DWORD dwCurObjNum = m_NewObjNumArray.ElementAt(i); + FX_BOOL bExist = (dwCurObjNum < nOldSize && + m_ObjectOffset.GetPtrAt(dwCurObjNum) != NULL); + if (bExist || dwCurObjNum - dwLastObjNum > 1) { + if (!bNewStart) { + m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + m_ObjectSize.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + } + dwStartObjNum = dwCurObjNum; + } + if (bNewStart) { + dwStartObjNum = dwCurObjNum; + } + bNewStart = bExist; + dwLastObjNum = dwCurObjNum; + } + m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + m_ObjectSize.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); } -int32_t CPDF_Creator::WriteOldObjs(IFX_Pause *pPause) -{ - FX_DWORD nOldSize = m_pParser->m_CrossRef.GetSize(); - FX_DWORD objnum = (FX_DWORD)(uintptr_t)m_Pos; - for(; objnum < nOldSize; objnum ++) { - int32_t iRet = WriteOldIndirectObject(objnum); - if (!iRet) { - continue; - } - if (iRet < 0) { - return iRet; - } - m_ObjectSize[objnum] = (FX_DWORD)(m_Offset - m_ObjectOffset[objnum]); - if (pPause && pPause->NeedToPauseNow()) { - m_Pos = (void*)(uintptr_t)(objnum + 1); - return 1; - } - } - return 0; +void CPDF_Creator::AppendNewObjNum(FX_DWORD objbum) { + int32_t iStart = 0, iFind = 0; + int32_t iEnd = m_NewObjNumArray.GetUpperBound(); + while (iStart <= iEnd) { + int32_t iMid = (iStart + iEnd) / 2; + FX_DWORD dwMid = m_NewObjNumArray.ElementAt(iMid); + if (objbum < dwMid) { + iEnd = iMid - 1; + } else { + if (iMid == iEnd) { + iFind = iMid + 1; + break; + } + FX_DWORD dwNext = m_NewObjNumArray.ElementAt(iMid + 1); + if (objbum < dwNext) { + iFind = iMid + 1; + break; + } + iStart = iMid + 1; + } + } + m_NewObjNumArray.InsertAt(iFind, objbum); } -int32_t CPDF_Creator::WriteNewObjs(FX_BOOL bIncremental, IFX_Pause *pPause) -{ - int32_t iCount = m_NewObjNumArray.GetSize(); - int32_t index = (int32_t)(uintptr_t)m_Pos; - while (index < iCount) { - FX_DWORD objnum = m_NewObjNumArray.ElementAt(index); - CPDF_Object *pObj = NULL; - m_pDocument->m_IndirectObjs.Lookup((void*)(uintptr_t)objnum, (void*&)pObj); - if (NULL == pObj) { - ++index; - continue; - } - m_ObjectOffset[objnum] = m_Offset; - if (WriteIndirectObj(pObj)) { - return -1; - } - m_ObjectSize[objnum] = (FX_DWORD)(m_Offset - m_ObjectOffset[objnum]); - index++; +int32_t CPDF_Creator::WriteDoc_Stage1(IFX_Pause* pPause) { + FXSYS_assert(m_iStage > -1 || m_iStage < 20); + if (m_iStage == 0) { + if (m_pParser == NULL) { + m_dwFlags &= ~FPDFCREATE_INCREMENTAL; + } + if (m_bSecurityChanged && (m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0) { + m_dwFlags &= ~FPDFCREATE_INCREMENTAL; + } + CPDF_Dictionary* pDict = m_pDocument->GetRoot(); + m_pMetadata = pDict ? pDict->GetElementValue(FX_BSTRC("Metadata")) : NULL; + if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) { + m_pXRefStream = new CPDF_XRefStream; + m_pXRefStream->Start(); + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser) { + FX_FILESIZE prev = m_pParser->GetLastXRefOffset(); + m_pXRefStream->m_PrevOffset = prev; + } + } + m_iStage = 10; + } + if (m_iStage == 10) { + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0) { + if (m_File.AppendString(FX_BSTRC("%PDF-1.")) < 0) { + return -1; + } + m_Offset += 7; + int32_t version = 7; + if (m_FileVersion) { + version = m_FileVersion; + } else if (m_pParser) { + version = m_pParser->GetFileVersion(); + } + int32_t len = m_File.AppendDWord(version % 10); + if (len < 0) { + return -1; + } + m_Offset += len; + if ((len = m_File.AppendString(FX_BSTRC("\r\n%\xA1\xB3\xC5\xD7\r\n"))) < + 0) { + return -1; + } + m_Offset += len; + InitOldObjNumOffsets(); + m_iStage = 20; + } else { + IFX_FileRead* pSrcFile = m_pParser->GetFileAccess(); + m_Offset = pSrcFile->GetSize(); + m_Pos = (void*)(uintptr_t)m_Offset; + m_iStage = 15; + } + } + if (m_iStage == 15) { + if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_Pos) { + IFX_FileRead* pSrcFile = m_pParser->GetFileAccess(); + uint8_t buffer[4096]; + FX_DWORD src_size = (FX_DWORD)(uintptr_t)m_Pos; + while (src_size) { + FX_DWORD block_size = src_size > 4096 ? 4096 : src_size; + if (!pSrcFile->ReadBlock(buffer, m_Offset - src_size, block_size)) { + return -1; + } + if (m_File.AppendBlock(buffer, block_size) < 0) { + return -1; + } + src_size -= block_size; if (pPause && pPause->NeedToPauseNow()) { - m_Pos = (FX_POSITION)(uintptr_t)index; - return 1; - } - } - return 0; + m_Pos = (void*)(uintptr_t)src_size; + return 1; + } + } + } + if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && + m_pParser->GetLastXRefOffset() == 0) { + InitOldObjNumOffsets(); + FX_DWORD dwEnd = m_pParser->GetLastObjNum(); + FX_BOOL bObjStm = (m_dwFlags & FPDFCREATE_OBJECTSTREAM) != 0; + for (FX_DWORD objnum = 0; objnum <= dwEnd; objnum++) { + if (m_pParser->m_V5Type[objnum] == 0 || + m_pParser->m_V5Type[objnum] == 255) { + continue; + } + m_ObjectOffset[objnum] = m_pParser->m_CrossRef[objnum]; + if (bObjStm) { + m_pXRefStream->AddObjectNumberToIndexArray(objnum); + } + } + if (bObjStm) { + m_pXRefStream->EndXRefStream(this); + m_pXRefStream->Start(); + } + } + m_iStage = 20; + } + InitNewObjNumOffsets(); + return m_iStage; } -void CPDF_Creator::InitOldObjNumOffsets() -{ - if (!m_pParser) { - return; - } - FX_DWORD j = 0; - FX_DWORD dwStart = 0; - FX_DWORD dwEnd = m_pParser->GetLastObjNum(); - while (dwStart <= dwEnd) { - while (dwStart <= dwEnd && (m_pParser->m_V5Type[dwStart] == 0 || m_pParser->m_V5Type[dwStart] == 255)) { - dwStart++; - } - if (dwStart > dwEnd) { - break; - } - j = dwStart; - while (j <= dwEnd && m_pParser->m_V5Type[j] != 0 && m_pParser->m_V5Type[j] != 255) { - j++; - } - m_ObjectOffset.Add(dwStart, j - dwStart); - m_ObjectSize.Add(dwStart, j - dwStart); - dwStart = j; - } +int32_t CPDF_Creator::WriteDoc_Stage2(IFX_Pause* pPause) { + FXSYS_assert(m_iStage >= 20 || m_iStage < 30); + if (m_iStage == 20) { + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 && m_pParser) { + m_Pos = (void*)(uintptr_t)0; + m_iStage = 21; + } else { + m_iStage = 25; + } + } + if (m_iStage == 21) { + int32_t iRet = WriteOldObjs(pPause); + if (iRet) { + return iRet; + } + m_iStage = 25; + } + if (m_iStage == 25) { + m_Pos = (void*)(uintptr_t)0; + m_iStage = 26; + } + if (m_iStage == 26) { + int32_t iRet = + WriteNewObjs((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0, pPause); + if (iRet) { + return iRet; + } + m_iStage = 27; + } + if (m_iStage == 27) { + if (NULL != m_pEncryptDict && 0 == m_pEncryptDict->GetObjNum()) { + m_dwLastObjNum += 1; + FX_FILESIZE saveOffset = m_Offset; + if (WriteIndirectObj(m_dwLastObjNum, m_pEncryptDict) < 0) { + return -1; + } + m_ObjectOffset.Add(m_dwLastObjNum, 1); + m_ObjectOffset[m_dwLastObjNum] = saveOffset; + m_ObjectSize.Add(m_dwLastObjNum, 1); + m_ObjectSize[m_dwLastObjNum] = m_Offset - saveOffset; + m_dwEnryptObjNum = m_dwLastObjNum; + if (m_dwFlags & FPDFCREATE_INCREMENTAL) { + m_NewObjNumArray.Add(m_dwLastObjNum); + } + } + m_iStage = 80; + } + return m_iStage; } -void CPDF_Creator::InitNewObjNumOffsets() -{ - FX_BOOL bIncremental = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0; - FX_BOOL bNoOriginal = (m_dwFlags & FPDFCREATE_NO_ORIGINAL) != 0; - FX_DWORD nOldSize = m_pParser ? m_pParser->m_CrossRef.GetSize() : 0; - FX_POSITION pos = m_pDocument->m_IndirectObjs.GetStartPosition(); - while (pos) { - size_t key = 0; - CPDF_Object* pObj; - m_pDocument->m_IndirectObjs.GetNextAssoc(pos, (void*&)key, (void*&)pObj); - FX_DWORD objnum = (FX_DWORD)key; - if (pObj->GetObjNum() == -1) { - continue; - } - if (bIncremental) { - if (!pObj->IsModified()) { - continue; - } - } else { - if (objnum < nOldSize && m_pParser->m_V5Type[objnum] != 0) { - continue; - } +int32_t CPDF_Creator::WriteDoc_Stage3(IFX_Pause* pPause) { + FXSYS_assert(m_iStage >= 80 || m_iStage < 90); + FX_DWORD dwLastObjNum = m_dwLastObjNum; + if (m_iStage == 80) { + m_XrefStart = m_Offset; + if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) { + m_pXRefStream->End(this, TRUE); + m_XrefStart = m_pXRefStream->m_PrevOffset; + m_iStage = 90; + } else if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 || + !m_pParser->IsXRefStream()) { + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 || + m_pParser->GetLastXRefOffset() == 0) { + CFX_ByteString str; + str = m_ObjectOffset.GetPtrAt(1) + ? FX_BSTRC("xref\r\n") + : FX_BSTRC("xref\r\n0 1\r\n0000000000 65536 f\r\n"); + if (m_File.AppendString(str) < 0) { + return -1; + } + m_Pos = (void*)(uintptr_t)1; + m_iStage = 81; + } else { + if (m_File.AppendString(FX_BSTRC("xref\r\n")) < 0) { + return -1; } - AppendNewObjNum(objnum); + m_Pos = (void*)(uintptr_t)0; + m_iStage = 82; + } + } else { + m_iStage = 90; + } + } + if (m_iStage == 81) { + CFX_ByteString str; + FX_DWORD i = (FX_DWORD)(uintptr_t)m_Pos, j; + while (i <= dwLastObjNum) { + while (i <= dwLastObjNum && !m_ObjectOffset.GetPtrAt(i)) { + i++; + } + if (i > dwLastObjNum) { + break; + } + j = i; + while (j <= dwLastObjNum && m_ObjectOffset.GetPtrAt(j)) { + j++; + } + if (i == 1) { + str.Format("0 %d\r\n0000000000 65536 f\r\n", j); + } else { + str.Format("%d %d\r\n", i, j - i); + } + if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { + return -1; + } + while (i < j) { + str.Format("%010d 00000 n\r\n", m_ObjectOffset[i++]); + if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { + return -1; + } + } + if (i > dwLastObjNum) { + break; + } + if (pPause && pPause->NeedToPauseNow()) { + m_Pos = (void*)(uintptr_t)i; + return 1; + } } + m_iStage = 90; + } + if (m_iStage == 82) { + CFX_ByteString str; int32_t iCount = m_NewObjNumArray.GetSize(); - if (iCount == 0) { - return; - } - int32_t i = 0; - FX_DWORD dwStartObjNum = 0; - FX_BOOL bCrossRefValid = m_pParser && m_pParser->GetLastXRefOffset() > 0; + int32_t i = (int32_t)(uintptr_t)m_Pos; while (i < iCount) { - dwStartObjNum = m_NewObjNumArray.ElementAt(i); - if ((bIncremental && (bNoOriginal || bCrossRefValid)) || !m_ObjectOffset.GetPtrAt(dwStartObjNum)) { - break; - } - i++; - } - if (i >= iCount) { - return; - } - FX_DWORD dwLastObjNum = dwStartObjNum; - i++; - FX_BOOL bNewStart = FALSE; - for (; i < iCount; i++) { - FX_DWORD dwCurObjNum = m_NewObjNumArray.ElementAt(i); - FX_BOOL bExist = (dwCurObjNum < nOldSize && m_ObjectOffset.GetPtrAt(dwCurObjNum) != NULL); - if (bExist || dwCurObjNum - dwLastObjNum > 1) { - if (!bNewStart) { - m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); - m_ObjectSize.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); - } - dwStartObjNum = dwCurObjNum; - } - if (bNewStart) { - dwStartObjNum = dwCurObjNum; - } - bNewStart = bExist; - dwLastObjNum = dwCurObjNum; + int32_t j = i; + FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); + while (j < iCount) { + if (++j == iCount) { + break; + } + FX_DWORD dwCurrent = m_NewObjNumArray.ElementAt(j); + if (dwCurrent - objnum > 1) { + break; + } + objnum = dwCurrent; + } + objnum = m_NewObjNumArray.ElementAt(i); + if (objnum == 1) { + str.Format("0 %d\r\n0000000000 65536 f\r\n", j - i + 1); + } else { + str.Format("%d %d\r\n", objnum, j - i); + } + if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { + return -1; + } + while (i < j) { + objnum = m_NewObjNumArray.ElementAt(i++); + str.Format("%010d 00000 n\r\n", m_ObjectOffset[objnum]); + if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { + return -1; + } + } + if (pPause && (i % 100) == 0 && pPause->NeedToPauseNow()) { + m_Pos = (void*)(uintptr_t)i; + return 1; + } } - m_ObjectOffset.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); - m_ObjectSize.Add(dwStartObjNum, dwLastObjNum - dwStartObjNum + 1); + m_iStage = 90; + } + return m_iStage; } -void CPDF_Creator::AppendNewObjNum(FX_DWORD objbum) -{ - int32_t iStart = 0, iFind = 0; - int32_t iEnd = m_NewObjNumArray.GetUpperBound(); - while (iStart <= iEnd) { - int32_t iMid = (iStart + iEnd) / 2; - FX_DWORD dwMid = m_NewObjNumArray.ElementAt(iMid); - if (objbum < dwMid) { - iEnd = iMid - 1; - } else { - if (iMid == iEnd) { - iFind = iMid + 1; - break; - } - FX_DWORD dwNext = m_NewObjNumArray.ElementAt(iMid + 1); - if (objbum < dwNext) { - iFind = iMid + 1; - break; - } - iStart = iMid + 1; - } - } - m_NewObjNumArray.InsertAt(iFind, objbum); +static int32_t _OutPutIndex(CFX_FileBufferArchive* pFile, FX_FILESIZE offset) { + FXSYS_assert(pFile); + if (sizeof(offset) > 4) { + if (FX_GETBYTEOFFSET32(offset)) { + if (pFile->AppendByte(FX_GETBYTEOFFSET56(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET48(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET40(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET32(offset)) < 0) { + return -1; + } + } + } + if (pFile->AppendByte(FX_GETBYTEOFFSET24(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET16(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET8(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(FX_GETBYTEOFFSET0(offset)) < 0) { + return -1; + } + if (pFile->AppendByte(0) < 0) { + return -1; + } + return 0; } -int32_t CPDF_Creator::WriteDoc_Stage1(IFX_Pause *pPause) -{ - FXSYS_assert(m_iStage > -1 || m_iStage < 20); - if (m_iStage == 0) { - if (m_pParser == NULL) { - m_dwFlags &= ~FPDFCREATE_INCREMENTAL; - } - if (m_bSecurityChanged && (m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0) { - m_dwFlags &= ~FPDFCREATE_INCREMENTAL; - } - CPDF_Dictionary* pDict = m_pDocument->GetRoot(); - m_pMetadata = pDict ? pDict->GetElementValue(FX_BSTRC("Metadata")) : NULL; - if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) { - m_pXRefStream = new CPDF_XRefStream; - m_pXRefStream->Start(); - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser) { - FX_FILESIZE prev = m_pParser->GetLastXRefOffset(); - m_pXRefStream->m_PrevOffset = prev; - } - } - m_iStage = 10; - } - if (m_iStage == 10) { - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0) { - if (m_File.AppendString(FX_BSTRC("%PDF-1.")) < 0) { - return -1; - } - m_Offset += 7; - int32_t version = 7; - if (m_FileVersion) { - version = m_FileVersion; - } else if (m_pParser) { - version = m_pParser->GetFileVersion(); - } - int32_t len = m_File.AppendDWord(version % 10); - if (len < 0) { - return -1; - } - m_Offset += len; - if ((len = m_File.AppendString(FX_BSTRC("\r\n%\xA1\xB3\xC5\xD7\r\n"))) < 0) { - return -1; - } - m_Offset += len; - InitOldObjNumOffsets(); - m_iStage = 20; - } else { - IFX_FileRead* pSrcFile = m_pParser->GetFileAccess(); - m_Offset = pSrcFile->GetSize(); - m_Pos = (void*)(uintptr_t)m_Offset; - m_iStage = 15; - } - } - if (m_iStage == 15) { - if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_Pos) { - IFX_FileRead* pSrcFile = m_pParser->GetFileAccess(); - uint8_t buffer[4096]; - FX_DWORD src_size = (FX_DWORD)(uintptr_t)m_Pos; - while (src_size) { - FX_DWORD block_size = src_size > 4096 ? 4096 : src_size; - if (!pSrcFile->ReadBlock(buffer, m_Offset - src_size, block_size)) { - return -1; - } - if (m_File.AppendBlock(buffer, block_size) < 0) { - return -1; - } - src_size -= block_size; - if (pPause && pPause->NeedToPauseNow()) { - m_Pos = (void*)(uintptr_t)src_size; - return 1; - } - } - } - if ((m_dwFlags & FPDFCREATE_NO_ORIGINAL) == 0 && m_pParser->GetLastXRefOffset() == 0) { - InitOldObjNumOffsets(); - FX_DWORD dwEnd = m_pParser->GetLastObjNum(); - FX_BOOL bObjStm = (m_dwFlags & FPDFCREATE_OBJECTSTREAM) != 0; - for (FX_DWORD objnum = 0; objnum <= dwEnd; objnum++) { - if (m_pParser->m_V5Type[objnum] == 0 || m_pParser->m_V5Type[objnum] == 255) { - continue; - } - m_ObjectOffset[objnum] = m_pParser->m_CrossRef[objnum]; - if (bObjStm) { - m_pXRefStream->AddObjectNumberToIndexArray(objnum); - } - } - if (bObjStm) { - m_pXRefStream->EndXRefStream(this); - m_pXRefStream->Start(); - } - } - m_iStage = 20; +int32_t CPDF_Creator::WriteDoc_Stage4(IFX_Pause* pPause) { + FXSYS_assert(m_iStage >= 90); + if ((m_dwFlags & FPDFCREATE_OBJECTSTREAM) == 0) { + FX_BOOL bXRefStream = + (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser->IsXRefStream(); + if (!bXRefStream) { + if (m_File.AppendString(FX_BSTRC("trailer\r\n<<")) < 0) { + return -1; + } + } else { + if (m_File.AppendDWord(m_pDocument->m_LastObjNum + 1) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 obj <<")) < 0) { + return -1; + } } - InitNewObjNumOffsets(); - return m_iStage; -} -int32_t CPDF_Creator::WriteDoc_Stage2(IFX_Pause *pPause) -{ - FXSYS_assert(m_iStage >= 20 || m_iStage < 30); - if (m_iStage == 20) { - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 && m_pParser) { - m_Pos = (void*)(uintptr_t)0; - m_iStage = 21; + if (m_pParser) { + CPDF_Dictionary* p = m_pParser->m_pTrailer; + FX_POSITION pos = p->GetStartPos(); + while (pos) { + CFX_ByteString key; + CPDF_Object* pValue = p->GetNextElement(pos, key); + if (key == FX_BSTRC("Encrypt") || key == FX_BSTRC("Size") || + key == FX_BSTRC("Filter") || key == FX_BSTRC("Index") || + key == FX_BSTRC("Length") || key == FX_BSTRC("Prev") || + key == FX_BSTRC("W") || key == FX_BSTRC("XRefStm") || + key == FX_BSTRC("ID")) { + continue; + } + if (m_File.AppendString((FX_BSTRC("/"))) < 0) { + return -1; + } + if (m_File.AppendString(PDF_NameEncode(key)) < 0) { + return -1; + } + if (pValue->GetObjNum()) { + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if (m_File.AppendDWord(pValue->GetObjNum()) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } } else { - m_iStage = 25; + FX_FILESIZE offset = 0; + if (PDF_CreatorAppendObject(pValue, &m_File, offset) < 0) { + return -1; + } } - } - if (m_iStage == 21) { - int32_t iRet = WriteOldObjs(pPause); - if (iRet) { - return iRet; + } + } else { + if (m_File.AppendString(FX_BSTRC("\r\n/Root ")) < 0) { + return -1; + } + if (m_File.AppendDWord(m_pDocument->m_pRootDict->GetObjNum()) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; + } + if (m_pDocument->m_pInfoDict) { + if (m_File.AppendString(FX_BSTRC("/Info ")) < 0) { + return -1; } - m_iStage = 25; - } - if (m_iStage == 25) { - m_Pos = (void*)(uintptr_t)0; - m_iStage = 26; - } - if (m_iStage == 26) { - int32_t iRet = WriteNewObjs((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0, pPause); - if (iRet) { - return iRet; + if (m_File.AppendDWord(m_pDocument->m_pInfoDict->GetObjNum()) < 0) { + return -1; } - m_iStage = 27; - } - if (m_iStage == 27) { - if (NULL != m_pEncryptDict && 0 == m_pEncryptDict->GetObjNum()) { - m_dwLastObjNum += 1; - FX_FILESIZE saveOffset = m_Offset; - if (WriteIndirectObj(m_dwLastObjNum, m_pEncryptDict) < 0) { - return -1; - } - m_ObjectOffset.Add(m_dwLastObjNum, 1); - m_ObjectOffset[m_dwLastObjNum] = saveOffset; - m_ObjectSize.Add(m_dwLastObjNum, 1); - m_ObjectSize[m_dwLastObjNum] = m_Offset - saveOffset; - m_dwEnryptObjNum = m_dwLastObjNum; - if (m_dwFlags & FPDFCREATE_INCREMENTAL) { - m_NewObjNumArray.Add(m_dwLastObjNum); - } + if (m_File.AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { + return -1; } - m_iStage = 80; + } } - return m_iStage; -} -int32_t CPDF_Creator::WriteDoc_Stage3(IFX_Pause *pPause) -{ - FXSYS_assert(m_iStage >= 80 || m_iStage < 90); - FX_DWORD dwLastObjNum = m_dwLastObjNum; - if (m_iStage == 80) { - m_XrefStart = m_Offset; - if (m_dwFlags & FPDFCREATE_OBJECTSTREAM) { - m_pXRefStream->End(this, TRUE); - m_XrefStart = m_pXRefStream->m_PrevOffset; - m_iStage = 90; - } else if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 || !m_pParser->IsXRefStream()) { - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) == 0 || m_pParser->GetLastXRefOffset() == 0) { - CFX_ByteString str; - str = m_ObjectOffset.GetPtrAt(1) ? FX_BSTRC("xref\r\n") : FX_BSTRC("xref\r\n0 1\r\n0000000000 65536 f\r\n"); - if (m_File.AppendString(str) < 0) { - return -1; - } - m_Pos = (void*)(uintptr_t)1; - m_iStage = 81; - } else { - if (m_File.AppendString(FX_BSTRC("xref\r\n")) < 0) { - return -1; - } - m_Pos = (void*)(uintptr_t)0; - m_iStage = 82; - } - } else { - m_iStage = 90; - } + if (m_pEncryptDict) { + if (m_File.AppendString(FX_BSTRC("/Encrypt")) < 0) { + return -1; + } + FX_DWORD dwObjNum = m_pEncryptDict->GetObjNum(); + if (dwObjNum == 0) { + dwObjNum = m_pDocument->GetLastObjNum() + 1; + } + if (m_File.AppendString(FX_BSTRC(" ")) < 0) { + return -1; + } + if (m_File.AppendDWord(dwObjNum) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { + return -1; + } } - if (m_iStage == 81) { - CFX_ByteString str; - FX_DWORD i = (FX_DWORD)(uintptr_t)m_Pos, j; - while (i <= dwLastObjNum) { - while (i <= dwLastObjNum && !m_ObjectOffset.GetPtrAt(i)) { - i++; - } - if (i > dwLastObjNum) { - break; - } - j = i; - while (j <= dwLastObjNum && m_ObjectOffset.GetPtrAt(j)) { - j++; - } - if (i == 1) { - str.Format("0 %d\r\n0000000000 65536 f\r\n", j); - } else { - str.Format("%d %d\r\n", i, j - i); - } - if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { - return -1; - } - while (i < j) { - str.Format("%010d 00000 n\r\n", m_ObjectOffset[i ++]); - if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { - return -1; - } - } - if (i > dwLastObjNum) { - break; - } - if (pPause && pPause->NeedToPauseNow()) { - m_Pos = (void*)(uintptr_t)i; - return 1; - } - } - m_iStage = 90; + if (m_File.AppendString(FX_BSTRC("/Size ")) < 0) { + return -1; } - if (m_iStage == 82) { - CFX_ByteString str; - int32_t iCount = m_NewObjNumArray.GetSize(); - int32_t i = (int32_t)(uintptr_t)m_Pos; - while (i < iCount) { - int32_t j = i; - FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); - while (j < iCount) { - if (++j == iCount) { - break; - } - FX_DWORD dwCurrent = m_NewObjNumArray.ElementAt(j); - if (dwCurrent - objnum > 1) { - break; - } - objnum = dwCurrent; - } - objnum = m_NewObjNumArray.ElementAt(i); - if (objnum == 1) { - str.Format("0 %d\r\n0000000000 65536 f\r\n", j - i + 1); - } else { - str.Format("%d %d\r\n", objnum, j - i); - } - if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { - return -1; - } - while (i < j) { - objnum = m_NewObjNumArray.ElementAt(i++); - str.Format("%010d 00000 n\r\n", m_ObjectOffset[objnum]); - if (m_File.AppendBlock(str.c_str(), str.GetLength()) < 0) { - return -1; - } - } - if (pPause && (i % 100) == 0 && pPause->NeedToPauseNow()) { - m_Pos = (void*)(uintptr_t)i; - return 1; - } - } - m_iStage = 90; + if (m_File.AppendDWord(m_dwLastObjNum + (bXRefStream ? 2 : 1)) < 0) { + return -1; } - return m_iStage; -} -static int32_t _OutPutIndex(CFX_FileBufferArchive* pFile, FX_FILESIZE offset) -{ - FXSYS_assert(pFile); - if (sizeof(offset) > 4) { - if (FX_GETBYTEOFFSET32(offset)) { - if (pFile->AppendByte(FX_GETBYTEOFFSET56(offset)) < 0) { - return -1; - } - if (pFile->AppendByte(FX_GETBYTEOFFSET48(offset)) < 0) { - return -1; - } - if (pFile->AppendByte(FX_GETBYTEOFFSET40(offset)) < 0) { - return -1; - } - if (pFile->AppendByte(FX_GETBYTEOFFSET32(offset)) < 0) { - return -1; - } + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0) { + FX_FILESIZE prev = m_pParser->GetLastXRefOffset(); + if (prev) { + if (m_File.AppendString(FX_BSTRC("/Prev ")) < 0) { + return -1; } + FX_CHAR offset_buf[20]; + FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); + FXSYS_i64toa(prev, offset_buf, 10); + if (m_File.AppendBlock(offset_buf, FXSYS_strlen(offset_buf)) < 0) { + return -1; + } + } } - if (pFile->AppendByte(FX_GETBYTEOFFSET24(offset)) < 0) { - return -1; - } - if (pFile->AppendByte(FX_GETBYTEOFFSET16(offset)) < 0) { + if (m_pIDArray) { + if (m_File.AppendString((FX_BSTRC("/ID"))) < 0) { return -1; - } - if (pFile->AppendByte(FX_GETBYTEOFFSET8(offset)) < 0) { + } + FX_FILESIZE offset = 0; + if (PDF_CreatorAppendObject(m_pIDArray, &m_File, offset) < 0) { return -1; + } } - if (pFile->AppendByte(FX_GETBYTEOFFSET0(offset)) < 0) { + if (!bXRefStream) { + if (m_File.AppendString(FX_BSTRC(">>")) < 0) { return -1; - } - if (pFile->AppendByte(0) < 0) { + } + } else { + if (m_File.AppendString(FX_BSTRC("/W[0 4 1]/Index[")) < 0) { return -1; - } - return 0; -} -int32_t CPDF_Creator::WriteDoc_Stage4(IFX_Pause *pPause) -{ - FXSYS_assert(m_iStage >= 90); - if ((m_dwFlags & FPDFCREATE_OBJECTSTREAM) == 0) { - FX_BOOL bXRefStream = (m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser->IsXRefStream(); - if (!bXRefStream) { - if (m_File.AppendString(FX_BSTRC("trailer\r\n<<")) < 0) { - return -1; - } - } else { - if (m_File.AppendDWord(m_pDocument->m_LastObjNum + 1) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 obj <<")) < 0) { - return -1; - } + } + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser && + m_pParser->GetLastXRefOffset() == 0) { + FX_DWORD i = 0; + for (i = 0; i < m_dwLastObjNum; i++) { + if (!m_ObjectOffset.GetPtrAt(i)) { + continue; + } + if (m_File.AppendDWord(i) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 1 ")) < 0) { + return -1; + } } - if (m_pParser) { - CPDF_Dictionary* p = m_pParser->m_pTrailer; - FX_POSITION pos = p->GetStartPos(); - while (pos) { - CFX_ByteString key; - CPDF_Object* pValue = p->GetNextElement(pos, key); - if (key == FX_BSTRC("Encrypt") || key == FX_BSTRC("Size") || key == FX_BSTRC("Filter") || - key == FX_BSTRC("Index") || key == FX_BSTRC("Length") || key == FX_BSTRC("Prev") || - key == FX_BSTRC("W") || key == FX_BSTRC("XRefStm") || key == FX_BSTRC("ID")) { - continue; - } - if (m_File.AppendString((FX_BSTRC("/"))) < 0) { - return -1; - } - if (m_File.AppendString(PDF_NameEncode(key)) < 0) { - return -1; - } - if (pValue->GetObjNum()) { - if (m_File.AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if (m_File.AppendDWord(pValue->GetObjNum()) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { - return -1; - } - } else { - FX_FILESIZE offset = 0; - if (PDF_CreatorAppendObject(pValue, &m_File, offset) < 0) { - return -1; - } - } - } - } else { - if (m_File.AppendString(FX_BSTRC("\r\n/Root ")) < 0) { - return -1; - } - if (m_File.AppendDWord(m_pDocument->m_pRootDict->GetObjNum()) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { - return -1; - } - if (m_pDocument->m_pInfoDict) { - if (m_File.AppendString(FX_BSTRC("/Info ")) < 0) { - return -1; - } - if (m_File.AppendDWord(m_pDocument->m_pInfoDict->GetObjNum()) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R\r\n")) < 0) { - return -1; - } - } + if (m_File.AppendString(FX_BSTRC("]/Length ")) < 0) { + return -1; } - if (m_pEncryptDict) { - if (m_File.AppendString(FX_BSTRC("/Encrypt")) < 0) { - return -1; - } - FX_DWORD dwObjNum = m_pEncryptDict->GetObjNum(); - if (dwObjNum == 0) { - dwObjNum = m_pDocument->GetLastObjNum() + 1; - } - if (m_File.AppendString(FX_BSTRC(" ")) < 0) { - return -1; - } - if (m_File.AppendDWord(dwObjNum) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 0 R ")) < 0) { - return -1; - } + if (m_File.AppendDWord(m_dwLastObjNum * 5) < 0) { + return -1; } - if (m_File.AppendString(FX_BSTRC("/Size ")) < 0) { - return -1; + if (m_File.AppendString(FX_BSTRC(">>stream\r\n")) < 0) { + return -1; } - if (m_File.AppendDWord(m_dwLastObjNum + (bXRefStream ? 2 : 1)) < 0) { + for (i = 0; i < m_dwLastObjNum; i++) { + FX_FILESIZE* offset = m_ObjectOffset.GetPtrAt(i); + if (!offset) { + continue; + } + _OutPutIndex(&m_File, *offset); + } + } else { + int count = m_NewObjNumArray.GetSize(); + int32_t i = 0; + for (i = 0; i < count; i++) { + FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); + if (m_File.AppendDWord(objnum) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC(" 1 ")) < 0) { return -1; + } } - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0) { - FX_FILESIZE prev = m_pParser->GetLastXRefOffset(); - if (prev) { - if (m_File.AppendString(FX_BSTRC("/Prev ")) < 0) { - return -1; - } - FX_CHAR offset_buf[20]; - FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); - FXSYS_i64toa(prev, offset_buf, 10); - if (m_File.AppendBlock(offset_buf, FXSYS_strlen(offset_buf)) < 0) { - return -1; - } - } + if (m_File.AppendString(FX_BSTRC("]/Length ")) < 0) { + return -1; } - if (m_pIDArray) { - if (m_File.AppendString((FX_BSTRC("/ID"))) < 0) { - return -1; - } - FX_FILESIZE offset = 0; - if (PDF_CreatorAppendObject(m_pIDArray, &m_File, offset) < 0) { - return -1; - } + if (m_File.AppendDWord(count * 5) < 0) { + return -1; } - if (!bXRefStream) { - if (m_File.AppendString(FX_BSTRC(">>")) < 0) { - return -1; - } - } else { - if (m_File.AppendString(FX_BSTRC("/W[0 4 1]/Index[")) < 0) { - return -1; - } - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) != 0 && m_pParser && m_pParser->GetLastXRefOffset() == 0) { - FX_DWORD i = 0; - for (i = 0; i < m_dwLastObjNum; i++) { - if (!m_ObjectOffset.GetPtrAt(i)) { - continue; - } - if (m_File.AppendDWord(i) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 1 ")) < 0) { - return -1; - } - } - if (m_File.AppendString(FX_BSTRC("]/Length ")) < 0) { - return -1; - } - if (m_File.AppendDWord(m_dwLastObjNum * 5) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(">>stream\r\n")) < 0) { - return -1; - } - for (i = 0; i < m_dwLastObjNum; i++) { - FX_FILESIZE* offset = m_ObjectOffset.GetPtrAt(i); - if (!offset) { - continue; - } - _OutPutIndex(&m_File, *offset); - } - } else { - int count = m_NewObjNumArray.GetSize(); - int32_t i = 0; - for (i = 0; i < count; i++) { - FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); - if (m_File.AppendDWord(objnum) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(" 1 ")) < 0) { - return -1; - } - } - if (m_File.AppendString(FX_BSTRC("]/Length ")) < 0) { - return -1; - } - if (m_File.AppendDWord(count * 5) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC(">>stream\r\n")) < 0) { - return -1; - } - for (i = 0; i < count; i++) { - FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); - FX_FILESIZE offset = m_ObjectOffset[objnum]; - _OutPutIndex(&m_File, offset); - } - } - if (m_File.AppendString(FX_BSTRC("\r\nendstream")) < 0) { - return -1; - } + if (m_File.AppendString(FX_BSTRC(">>stream\r\n")) < 0) { + return -1; } - } - if (m_File.AppendString(FX_BSTRC("\r\nstartxref\r\n")) < 0) { - return -1; - } - FX_CHAR offset_buf[20]; - FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); - FXSYS_i64toa(m_XrefStart, offset_buf, 10); - if (m_File.AppendBlock(offset_buf, FXSYS_strlen(offset_buf)) < 0) { - return -1; - } - if (m_File.AppendString(FX_BSTRC("\r\n%%EOF\r\n")) < 0) { + for (i = 0; i < count; i++) { + FX_DWORD objnum = m_NewObjNumArray.ElementAt(i); + FX_FILESIZE offset = m_ObjectOffset[objnum]; + _OutPutIndex(&m_File, offset); + } + } + if (m_File.AppendString(FX_BSTRC("\r\nendstream")) < 0) { return -1; - } - m_File.Flush(); - return m_iStage = 100; + } + } + } + if (m_File.AppendString(FX_BSTRC("\r\nstartxref\r\n")) < 0) { + return -1; + } + FX_CHAR offset_buf[20]; + FXSYS_memset(offset_buf, 0, sizeof(offset_buf)); + FXSYS_i64toa(m_XrefStart, offset_buf, 10); + if (m_File.AppendBlock(offset_buf, FXSYS_strlen(offset_buf)) < 0) { + return -1; + } + if (m_File.AppendString(FX_BSTRC("\r\n%%EOF\r\n")) < 0) { + return -1; + } + m_File.Flush(); + return m_iStage = 100; } -void CPDF_Creator::Clear() -{ - delete m_pXRefStream; - m_pXRefStream = NULL; - m_File.Clear(); - m_NewObjNumArray.RemoveAll(); - if (m_pIDArray) { - m_pIDArray->Release(); - m_pIDArray = NULL; - } +void CPDF_Creator::Clear() { + delete m_pXRefStream; + m_pXRefStream = NULL; + m_File.Clear(); + m_NewObjNumArray.RemoveAll(); + if (m_pIDArray) { + m_pIDArray->Release(); + m_pIDArray = NULL; + } } -FX_BOOL CPDF_Creator::Create(const FX_CHAR* filename, FX_DWORD flags) -{ - if (!m_File.AttachFile(filename)) { - return FALSE; - } - FX_BOOL bRet = Create(flags); - if (!bRet || !(flags & FPDFCREATE_PROGRESSIVE)) { - Clear(); - } - return bRet; +FX_BOOL CPDF_Creator::Create(const FX_CHAR* filename, FX_DWORD flags) { + if (!m_File.AttachFile(filename)) { + return FALSE; + } + FX_BOOL bRet = Create(flags); + if (!bRet || !(flags & FPDFCREATE_PROGRESSIVE)) { + Clear(); + } + return bRet; } -FX_BOOL CPDF_Creator::Create(const FX_WCHAR* filename, FX_DWORD flags) -{ - if (!m_File.AttachFile(filename)) { - return FALSE; - } - FX_BOOL bRet = Create(flags); - if (!bRet || !(flags & FPDFCREATE_PROGRESSIVE)) { - Clear(); - } - return bRet; +FX_BOOL CPDF_Creator::Create(const FX_WCHAR* filename, FX_DWORD flags) { + if (!m_File.AttachFile(filename)) { + return FALSE; + } + FX_BOOL bRet = Create(flags); + if (!bRet || !(flags & FPDFCREATE_PROGRESSIVE)) { + Clear(); + } + return bRet; } -FX_BOOL CPDF_Creator::Create(IFX_StreamWrite* pFile, FX_DWORD flags) -{ - if (!pFile) { - return FALSE; - } - if (!m_File.AttachFile(pFile, FALSE)) { - return FALSE; - } - return Create(flags); +FX_BOOL CPDF_Creator::Create(IFX_StreamWrite* pFile, FX_DWORD flags) { + if (!pFile) { + return FALSE; + } + if (!m_File.AttachFile(pFile, FALSE)) { + return FALSE; + } + return Create(flags); } -FX_BOOL CPDF_Creator::Create(FX_DWORD flags) -{ - m_dwFlags = flags; - m_iStage = 0; - m_Offset = 0; - m_dwLastObjNum = m_pDocument->GetLastObjNum(); - m_ObjectOffset.Clear(); - m_ObjectSize.Clear(); - m_NewObjNumArray.RemoveAll(); - InitID(); - if (flags & FPDFCREATE_PROGRESSIVE) { - return TRUE; - } - return Continue(NULL) > -1; +FX_BOOL CPDF_Creator::Create(FX_DWORD flags) { + m_dwFlags = flags; + m_iStage = 0; + m_Offset = 0; + m_dwLastObjNum = m_pDocument->GetLastObjNum(); + m_ObjectOffset.Clear(); + m_ObjectSize.Clear(); + m_NewObjNumArray.RemoveAll(); + InitID(); + if (flags & FPDFCREATE_PROGRESSIVE) { + return TRUE; + } + return Continue(NULL) > -1; } -void CPDF_Creator::InitID(FX_BOOL bDefault ) -{ - CPDF_Array* pOldIDArray = m_pParser ? m_pParser->GetIDArray() : NULL; - FX_BOOL bNewId = !m_pIDArray; - if (!m_pIDArray) { - FX_DWORD* pBuffer = NULL; - m_pIDArray = CPDF_Array::Create(); - CPDF_Object* pID1 = pOldIDArray ? pOldIDArray->GetElement(0) : NULL; - if (pID1) { - m_pIDArray->Add(pID1->Clone()); - } else { - pBuffer = FX_Alloc(FX_DWORD, 4); - PDF_GenerateFileID((FX_DWORD)(uintptr_t)this, m_dwLastObjNum, pBuffer); - CFX_ByteStringC bsBuffer((const uint8_t*)pBuffer, 4 * sizeof(FX_DWORD)); - m_pIDArray->Add(CPDF_String::Create(bsBuffer, TRUE), m_pDocument); - } - if (pBuffer) { - FX_Free(pBuffer); - } - } - if (!bDefault) { - return; - } - if (pOldIDArray) { - CPDF_Object* pID2 = pOldIDArray->GetElement(1); - if ((m_dwFlags & FPDFCREATE_INCREMENTAL) && m_pEncryptDict && pID2) { - m_pIDArray->Add(pID2->Clone()); - return; - } - FX_DWORD* pBuffer = FX_Alloc(FX_DWORD, 4); - PDF_GenerateFileID((FX_DWORD)(uintptr_t)this, m_dwLastObjNum, pBuffer); - CFX_ByteStringC bsBuffer((const uint8_t*)pBuffer, 4 * sizeof(FX_DWORD)); - m_pIDArray->Add(CPDF_String::Create(bsBuffer, TRUE), m_pDocument); - FX_Free(pBuffer); - return; - } - m_pIDArray->Add(m_pIDArray->GetElement(0)->Clone()); - if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) { - if (m_pEncryptDict->GetString(FX_BSTRC("Filter")) == FX_BSTRC("Standard")) { - CPDF_StandardSecurityHandler handler; - CFX_ByteString user_pass = m_pParser->GetPassword(); - FX_DWORD flag = PDF_ENCRYPT_CONTENT; - handler.OnCreate(m_pEncryptDict, m_pIDArray, (const uint8_t*)user_pass, user_pass.GetLength(), flag); - if (m_bNewCrypto) { - delete m_pCryptoHandler; - } - m_pCryptoHandler = new CPDF_StandardCryptoHandler; - m_pCryptoHandler->Init(m_pEncryptDict, &handler); - m_bNewCrypto = TRUE; - m_bSecurityChanged = TRUE; - } +void CPDF_Creator::InitID(FX_BOOL bDefault) { + CPDF_Array* pOldIDArray = m_pParser ? m_pParser->GetIDArray() : NULL; + FX_BOOL bNewId = !m_pIDArray; + if (!m_pIDArray) { + FX_DWORD* pBuffer = NULL; + m_pIDArray = CPDF_Array::Create(); + CPDF_Object* pID1 = pOldIDArray ? pOldIDArray->GetElement(0) : NULL; + if (pID1) { + m_pIDArray->Add(pID1->Clone()); + } else { + pBuffer = FX_Alloc(FX_DWORD, 4); + PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum, pBuffer); + CFX_ByteStringC bsBuffer((const uint8_t*)pBuffer, 4 * sizeof(FX_DWORD)); + m_pIDArray->Add(CPDF_String::Create(bsBuffer, TRUE), m_pDocument); + } + if (pBuffer) { + FX_Free(pBuffer); + } + } + if (!bDefault) { + return; + } + if (pOldIDArray) { + CPDF_Object* pID2 = pOldIDArray->GetElement(1); + if ((m_dwFlags & FPDFCREATE_INCREMENTAL) && m_pEncryptDict && pID2) { + m_pIDArray->Add(pID2->Clone()); + return; + } + FX_DWORD* pBuffer = FX_Alloc(FX_DWORD, 4); + PDF_GenerateFileID((FX_DWORD)(uintptr_t) this, m_dwLastObjNum, pBuffer); + CFX_ByteStringC bsBuffer((const uint8_t*)pBuffer, 4 * sizeof(FX_DWORD)); + m_pIDArray->Add(CPDF_String::Create(bsBuffer, TRUE), m_pDocument); + FX_Free(pBuffer); + return; + } + m_pIDArray->Add(m_pIDArray->GetElement(0)->Clone()); + if (m_pEncryptDict && !pOldIDArray && m_pParser && bNewId) { + if (m_pEncryptDict->GetString(FX_BSTRC("Filter")) == FX_BSTRC("Standard")) { + CPDF_StandardSecurityHandler handler; + CFX_ByteString user_pass = m_pParser->GetPassword(); + FX_DWORD flag = PDF_ENCRYPT_CONTENT; + handler.OnCreate(m_pEncryptDict, m_pIDArray, (const uint8_t*)user_pass, + user_pass.GetLength(), flag); + if (m_bNewCrypto) { + delete m_pCryptoHandler; + } + m_pCryptoHandler = new CPDF_StandardCryptoHandler; + m_pCryptoHandler->Init(m_pEncryptDict, &handler); + m_bNewCrypto = TRUE; + m_bSecurityChanged = TRUE; } + } } -int32_t CPDF_Creator::Continue(IFX_Pause *pPause) -{ - if (m_iStage < 0) { - return m_iStage; - } - int32_t iRet = 0; - while (m_iStage < 100) { - if (m_iStage < 20) { - iRet = WriteDoc_Stage1(pPause); - } else if (m_iStage < 30) { - iRet = WriteDoc_Stage2(pPause); - } else if (m_iStage < 90) { - iRet = WriteDoc_Stage3(pPause); - } else { - iRet = WriteDoc_Stage4(pPause); - } - if (iRet < m_iStage) { - break; - } +int32_t CPDF_Creator::Continue(IFX_Pause* pPause) { + if (m_iStage < 0) { + return m_iStage; + } + int32_t iRet = 0; + while (m_iStage < 100) { + if (m_iStage < 20) { + iRet = WriteDoc_Stage1(pPause); + } else if (m_iStage < 30) { + iRet = WriteDoc_Stage2(pPause); + } else if (m_iStage < 90) { + iRet = WriteDoc_Stage3(pPause); + } else { + iRet = WriteDoc_Stage4(pPause); } - if (iRet < 1 || m_iStage == 100) { - m_iStage = -1; - Clear(); - return iRet > 99 ? 0 : (iRet < 1 ? -1 : iRet); + if (iRet < m_iStage) { + break; } - return m_iStage; + } + if (iRet < 1 || m_iStage == 100) { + m_iStage = -1; + Clear(); + return iRet > 99 ? 0 : (iRet < 1 ? -1 : iRet); + } + return m_iStage; } -FX_BOOL CPDF_Creator::SetFileVersion(int32_t fileVersion ) -{ - if (fileVersion < 10 || fileVersion > 17) { - return FALSE; - } - m_FileVersion = fileVersion; - return TRUE; +FX_BOOL CPDF_Creator::SetFileVersion(int32_t fileVersion) { + if (fileVersion < 10 || fileVersion > 17) { + return FALSE; + } + m_FileVersion = fileVersion; + return TRUE; } -void CPDF_Creator::RemoveSecurity() -{ - ResetStandardSecurity(); - m_bSecurityChanged = TRUE; - m_pEncryptDict = NULL; - m_pCryptoHandler = NULL; +void CPDF_Creator::RemoveSecurity() { + ResetStandardSecurity(); + m_bSecurityChanged = TRUE; + m_pEncryptDict = NULL; + m_pCryptoHandler = NULL; } -void CPDF_Creator::ResetStandardSecurity() -{ - if (m_bStandardSecurity || m_bNewCrypto) { - delete m_pCryptoHandler; - m_pCryptoHandler = NULL; - } - m_bNewCrypto = FALSE; - if (!m_bStandardSecurity) { - return; - } - if (m_pEncryptDict) { - m_pEncryptDict->Release(); - m_pEncryptDict = NULL; - } - m_bStandardSecurity = FALSE; +void CPDF_Creator::ResetStandardSecurity() { + if (m_bStandardSecurity || m_bNewCrypto) { + delete m_pCryptoHandler; + m_pCryptoHandler = NULL; + } + m_bNewCrypto = FALSE; + if (!m_bStandardSecurity) { + return; + } + if (m_pEncryptDict) { + m_pEncryptDict->Release(); + m_pEncryptDict = NULL; + } + m_bStandardSecurity = FALSE; } -- cgit v1.2.3