diff options
35 files changed, 242 insertions, 261 deletions
diff --git a/core/include/fpdfapi/fpdf_objects.h b/core/include/fpdfapi/fpdf_objects.h index c2d838d35b..4141ec854a 100644 --- a/core/include/fpdfapi/fpdf_objects.h +++ b/core/include/fpdfapi/fpdf_objects.h @@ -78,6 +78,11 @@ class CPDF_Object { FX_BOOL IsModified() const { return FALSE; } + bool IsDictionary() const { return m_Type == PDFOBJ_DICTIONARY; } + + CPDF_Dictionary* AsDictionary(); + const CPDF_Dictionary* AsDictionary() const; + protected: CPDF_Object(FX_DWORD type) : m_Type(type), m_ObjNum(0), m_GenNum(0) {} ~CPDF_Object() {} @@ -402,6 +407,13 @@ class CPDF_Dictionary : public CPDF_Object { friend class CPDF_Object; }; +inline CPDF_Dictionary* ToDictionary(CPDF_Object* obj) { + return obj ? obj->AsDictionary() : nullptr; +} +inline const CPDF_Dictionary* ToDictionary(const CPDF_Object* obj) { + return obj ? obj->AsDictionary() : nullptr; +} + class CPDF_Stream : public CPDF_Object { public: static CPDF_Stream* Create(uint8_t* pData, diff --git a/core/include/fpdfdoc/fpdf_doc.h b/core/include/fpdfdoc/fpdf_doc.h index b0c129b05e..770133b739 100644 --- a/core/include/fpdfdoc/fpdf_doc.h +++ b/core/include/fpdfdoc/fpdf_doc.h @@ -717,10 +717,10 @@ class CPDF_InterForm : public CFX_PrivateData { CPDF_Object* GetFieldAttr(CPDF_Dictionary* pFieldDict, const FX_CHAR* name); - CPDF_FormField* AddTerminalField(const CPDF_Dictionary* pFieldDict); + CPDF_FormField* AddTerminalField(CPDF_Dictionary* pFieldDict); CPDF_FormControl* AddControl(const CPDF_FormField* pField, - const CPDF_Dictionary* pWidgetDict); + CPDF_Dictionary* pWidgetDict); void FDF_ImportField(CPDF_Dictionary* pField, const CFX_WideString& parent_name, diff --git a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp index 4e6c72355d..054cf10c22 100644 --- a/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp +++ b/core/src/fpdfapi/fpdf_edit/fpdf_edit_create.cpp @@ -110,7 +110,7 @@ int32_t PDF_CreatorAppendObject(const CPDF_Object* pObj, return -1; } offset += 2; - CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + const CPDF_Dictionary* p = pObj->AsDictionary(); FX_POSITION pos = p->GetStartPos(); while (pos) { CFX_ByteString key; @@ -334,7 +334,8 @@ CPDF_FlateEncoder::CPDF_FlateEncoder() { } void CPDF_FlateEncoder::CloneDict() { if (!m_bCloned) { - m_pDict = (CPDF_Dictionary*)m_pDict->Clone(); + m_pDict = ToDictionary(m_pDict->Clone()); + ASSERT(m_pDict); m_bCloned = TRUE; } } @@ -349,7 +350,7 @@ FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, destAcc.LoadAllData(pStream); m_dwSize = destAcc.GetSize(); m_pData = (uint8_t*)destAcc.DetachData(); - m_pDict = (CPDF_Dictionary*)pStream->GetDict()->Clone(); + m_pDict = ToDictionary(pStream->GetDict()->Clone()); m_pDict->RemoveAt(FX_BSTRC("Filter")); m_bNewData = TRUE; m_bCloned = TRUE; @@ -365,7 +366,7 @@ FX_BOOL CPDF_FlateEncoder::Initialize(CPDF_Stream* pStream, 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 = ToDictionary(pStream->GetDict()->Clone()); m_pDict->SetAtInteger("Length", m_dwSize); m_pDict->SetAtName("Filter", "FlateDecode"); m_pDict->RemoveAt("DecodeParms"); @@ -1227,7 +1228,7 @@ int32_t CPDF_Creator::WriteDirectObj(FX_DWORD objnum, return -1; } m_Offset += 2; - CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + const CPDF_Dictionary* p = pObj->AsDictionary(); FX_BOOL bSignDict = IsSignatureDict(p); FX_POSITION pos = p->GetStartPos(); while (pos) { diff --git a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp index 7a57889a35..10ca3113e3 100644 --- a/core/src/fpdfapi/fpdf_font/fpdf_font.cpp +++ b/core/src/fpdfapi/fpdf_font/fpdf_font.cpp @@ -746,10 +746,11 @@ void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding, GetPredefinedEncoding(iBaseEncoding, bsEncoding); return; } - if (pEncoding->GetType() != PDFOBJ_DICTIONARY) { + + CPDF_Dictionary* pDict = pEncoding->AsDictionary(); + if (!pDict) return; - } - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pEncoding; + if (iBaseEncoding != PDFFONT_ENCODING_ADOBE_SYMBOL && iBaseEncoding != PDFFONT_ENCODING_ZAPFDINGBATS) { CFX_ByteString bsEncoding = pDict->GetString(FX_BSTRC("BaseEncoding")); @@ -782,6 +783,7 @@ void CPDF_Font::LoadPDFEncoding(CPDF_Object* pEncoding, } } } + FX_BOOL CPDF_Font::IsStandardFont() const { if (m_FontType != PDFFONT_TYPE1) return FALSE; diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp index 224c99bb69..d66a9efdaa 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_func.cpp @@ -818,8 +818,8 @@ CPDF_Function* CPDF_Function::Load(CPDF_Object* pFuncObj) { type = ((CPDF_Stream*)pFuncObj) ->GetDict() ->GetInteger(FX_BSTRC("FunctionType")); - } else if (pFuncObj->GetType() == PDFOBJ_DICTIONARY) { - type = ((CPDF_Dictionary*)pFuncObj)->GetInteger(FX_BSTRC("FunctionType")); + } else if (CPDF_Dictionary* pDict = pFuncObj->AsDictionary()) { + type = pDict->GetInteger(FX_BSTRC("FunctionType")); } else { return NULL; } @@ -853,7 +853,7 @@ FX_BOOL CPDF_Function::Init(CPDF_Object* pObj) { if (pObj->GetType() == PDFOBJ_STREAM) { pDict = ((CPDF_Stream*)pObj)->GetDict(); } else { - pDict = (CPDF_Dictionary*)pObj; + pDict = pObj->AsDictionary(); } CPDF_Array* pDomains = pDict->GetArray(FX_BSTRC("Domain")); if (pDomains == NULL) { diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp index f11a2bb8d1..6d071f3ae0 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_graph_state.cpp @@ -530,7 +530,7 @@ void CPDF_AllStates::ProcessExtGS(CPDF_Dictionary* pGS, break; } case FXBSTR_ID('S', 'M', 'a', 's'): - if (pObject && pObject->GetType() == PDFOBJ_DICTIONARY) { + if (ToDictionary(pObject)) { pGeneralState->m_pSoftMask = pObject; FXSYS_memcpy(pGeneralState->m_SMaskMatrix, &pParser->GetCurStates()->m_CTM, sizeof(CPDF_Matrix)); @@ -599,20 +599,21 @@ CPDF_ContentMarkItem::CPDF_ContentMarkItem(const CPDF_ContentMarkItem& src) { m_MarkName = src.m_MarkName; m_ParamType = src.m_ParamType; if (m_ParamType == DirectDict) { - m_pParam = ((CPDF_Dictionary*)src.m_pParam)->Clone(); + m_pParam = ToDictionary(static_cast<CPDF_Object*>(src.m_pParam))->Clone(); } else { m_pParam = src.m_pParam; } } CPDF_ContentMarkItem::~CPDF_ContentMarkItem() { if (m_ParamType == DirectDict && m_pParam) { - ((CPDF_Dictionary*)m_pParam)->Release(); + ToDictionary(static_cast<CPDF_Object*>(m_pParam))->Release(); } } FX_BOOL CPDF_ContentMarkItem::HasMCID() const { if (m_pParam && (m_ParamType == DirectDict || m_ParamType == PropertiesDict)) { - return ((CPDF_Dictionary*)m_pParam)->KeyExist(FX_BSTRC("MCID")); + return ToDictionary(static_cast<CPDF_Object*>(m_pParam)) + ->KeyExist(FX_BSTRC("MCID")); } return FALSE; } @@ -627,7 +628,8 @@ int CPDF_ContentMarkData::GetMCID() const { type = m_Marks[i].GetParamType(); if (type == CPDF_ContentMarkItem::PropertiesDict || type == CPDF_ContentMarkItem::DirectDict) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)m_Marks[i].GetParam(); + CPDF_Dictionary* pDict = + ToDictionary(static_cast<CPDF_Object*>(m_Marks[i].GetParam())); if (pDict->KeyExist(FX_BSTRC("MCID"))) { return pDict->GetInteger(FX_BSTRC("MCID")); } @@ -677,7 +679,7 @@ FX_BOOL CPDF_ContentMark::LookupMark(const CFX_ByteStringC& mark, pDict = NULL; if (item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict || item.GetParamType() == CPDF_ContentMarkItem::DirectDict) { - pDict = (CPDF_Dictionary*)item.GetParam(); + pDict = ToDictionary(static_cast<CPDF_Object*>(item.GetParam())); } return TRUE; } diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp index e9f70c14db..9cdf00e717 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_image.cpp @@ -52,8 +52,7 @@ CPDF_Image* CPDF_Image::Clone() { pImage->LoadImageF((CPDF_Stream*)((CPDF_Object*)m_pStream)->Clone(), m_bInline); if (m_bInline) { - CPDF_Dictionary* pInlineDict = (CPDF_Dictionary*)m_pInlineDict->Clone(TRUE); - pImage->SetInlineDict(pInlineDict); + pImage->SetInlineDict(ToDictionary(m_pInlineDict->Clone(TRUE))); } return pImage; } @@ -86,7 +85,7 @@ FX_BOOL CPDF_Image::LoadImageF(CPDF_Stream* pStream, FX_BOOL bInline) { m_bInline = bInline; CPDF_Dictionary* pDict = pStream->GetDict(); if (m_bInline) { - m_pInlineDict = (CPDF_Dictionary*)pDict->Clone(); + m_pInlineDict = ToDictionary(pDict->Clone()); } m_pOC = pDict->GetDict(FX_BSTRC("OC")); m_bIsMask = !pDict->KeyExist(FX_BSTRC("ColorSpace")) || diff --git a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp index 127fb93250..ffa5e62a07 100644 --- a/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp +++ b/core/src/fpdfapi/fpdf_page/fpdf_page_parser.cpp @@ -418,11 +418,9 @@ void CPDF_StreamContentParser::Handle_BeginMarkedContent_Dictionary() { } bDirect = FALSE; } - if (pProperty->GetType() != PDFOBJ_DICTIONARY) { - return; + if (CPDF_Dictionary* pDict = pProperty->AsDictionary()) { + m_CurContentMark.GetModify()->AddMark(tag, pDict, bDirect); } - m_CurContentMark.GetModify()->AddMark(tag, (CPDF_Dictionary*)pProperty, - bDirect); } void CPDF_StreamContentParser::Handle_BeginMarkedContent() { if (!m_Options.m_bMarkedContent) { @@ -487,7 +485,7 @@ static CFX_ByteStringC _PDF_FindFullName(const _FX_BSTR* table, void _PDF_ReplaceAbbr(CPDF_Object* pObj) { switch (pObj->GetType()) { case PDFOBJ_DICTIONARY: { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; + CPDF_Dictionary* pDict = pObj->AsDictionary(); FX_POSITION pos = pDict->GetStartPos(); while (pos) { CFX_ByteString key; @@ -550,7 +548,7 @@ static CFX_ByteStringC _PDF_FindAbbrName(const _FX_BSTR* table, void _PDF_ReplaceFull(CPDF_Object* pObj) { switch (pObj->GetType()) { case PDFOBJ_DICTIONARY: { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; + CPDF_Dictionary* pDict = pObj->AsDictionary(); FX_POSITION pos = pDict->GetStartPos(); while (pos) { CFX_ByteString key; @@ -886,8 +884,8 @@ void CPDF_StreamContentParser::Handle_SetGray_Stroke() { void CPDF_StreamContentParser::Handle_SetExtendGraphState() { CFX_ByteString name = GetString(0); CPDF_Dictionary* pGS = - (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("ExtGState"), name); - if (pGS == NULL || pGS->GetType() != PDFOBJ_DICTIONARY) { + ToDictionary(FindResourceObj(FX_BSTRC("ExtGState"), name)); + if (!pGS) { m_bResourceMissing = TRUE; return; } @@ -1217,11 +1215,12 @@ CPDF_Object* CPDF_StreamContentParser::FindResourceObj( } CPDF_Font* CPDF_StreamContentParser::FindFont(const CFX_ByteString& name) { CPDF_Dictionary* pFontDict = - (CPDF_Dictionary*)FindResourceObj(FX_BSTRC("Font"), name); - if (pFontDict == NULL || pFontDict->GetType() != PDFOBJ_DICTIONARY) { + ToDictionary(FindResourceObj(FX_BSTRC("Font"), name)); + if (!pFontDict) { m_bResourceMissing = TRUE; return CPDF_Font::GetStockFont(m_pDocument, FX_BSTRC("Helvetica")); } + CPDF_Font* pFont = m_pDocument->LoadFont(pFontDict); if (pFont && pFont->GetType3Font()) { pFont->GetType3Font()->SetPageResources(m_pResources); @@ -1261,8 +1260,8 @@ CPDF_Pattern* CPDF_StreamContentParser::FindPattern(const CFX_ByteString& name, FX_BOOL bShading) { CPDF_Object* pPattern = FindResourceObj( bShading ? FX_BSTRC("Shading") : FX_BSTRC("Pattern"), name); - if (pPattern == NULL || (pPattern->GetType() != PDFOBJ_DICTIONARY && - pPattern->GetType() != PDFOBJ_STREAM)) { + if (pPattern == NULL || + (!pPattern->IsDictionary() && pPattern->GetType() != PDFOBJ_STREAM)) { m_bResourceMissing = TRUE; return NULL; } diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp index 2d6e9f3436..55c62e2878 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_decode.cpp @@ -283,7 +283,7 @@ ICodec_ScanlineDecoder* FPDFAPI_CreateFlateDecoder( int predictor = 0; int Colors = 0, BitsPerComponent = 0, Columns = 0; if (pParams) { - predictor = ((CPDF_Dictionary*)pParams)->GetInteger(FX_BSTRC("Predictor")); + predictor = pParams->GetInteger(FX_BSTRC("Predictor")); Colors = pParams->GetInteger(FX_BSTRC("Colors"), 1); BitsPerComponent = pParams->GetInteger(FX_BSTRC("BitsPerComponent"), 8); Columns = pParams->GetInteger(FX_BSTRC("Columns"), 1); @@ -306,9 +306,8 @@ FX_DWORD FPDFAPI_FlateOrLZWDecode(FX_BOOL bLZW, FX_BOOL bEarlyChange = TRUE; int Colors = 0, BitsPerComponent = 0, Columns = 0; if (pParams) { - predictor = ((CPDF_Dictionary*)pParams)->GetInteger(FX_BSTRC("Predictor")); - bEarlyChange = - ((CPDF_Dictionary*)pParams)->GetInteger(FX_BSTRC("EarlyChange"), 1); + predictor = pParams->GetInteger(FX_BSTRC("Predictor")); + bEarlyChange = pParams->GetInteger(FX_BSTRC("EarlyChange"), 1); Colors = pParams->GetInteger(FX_BSTRC("Colors"), 1); BitsPerComponent = pParams->GetInteger(FX_BSTRC("BitsPerComponent"), 8); Columns = pParams->GetInteger(FX_BSTRC("Columns"), 1); @@ -365,7 +364,9 @@ FX_BOOL PDF_DataDecode(const uint8_t* src_buf, int estimated_size = i == DecoderList.GetSize() - 1 ? last_estimated_size : 0; CFX_ByteString decoder = DecoderList[i]; - CPDF_Dictionary* pParam = (CPDF_Dictionary*)ParamList[i]; + // Use ToDictionary here because we can push NULL into the ParamList. + CPDF_Dictionary* pParam = + ToDictionary(static_cast<CPDF_Object*>(ParamList[i])); uint8_t* new_buf = NULL; FX_DWORD new_size = (FX_DWORD)-1; int offset = -1; diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp index 2dff766187..29c1a007cf 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_document.cpp @@ -143,18 +143,15 @@ CPDF_Dictionary* CPDF_Document::GetPage(int iPage) { return nullptr; if (m_bLinearized && (iPage == (int)m_dwFirstPageNo)) { - CPDF_Object* pObj = GetIndirectObject(m_dwFirstPageObjNum); - if (pObj && pObj->GetType() == PDFOBJ_DICTIONARY) { - return static_cast<CPDF_Dictionary*>(pObj); - } + if (CPDF_Dictionary* pDict = + ToDictionary(GetIndirectObject(m_dwFirstPageObjNum))) + return pDict; } int objnum = m_PageList.GetAt(iPage); if (objnum) { - CPDF_Object* pObj = GetIndirectObject(objnum); - if (pObj && pObj->GetType() == PDFOBJ_DICTIONARY) { - return static_cast<CPDF_Dictionary*>(pObj); - } + if (CPDF_Dictionary* pDict = ToDictionary(GetIndirectObject(objnum))) + return pDict; } CPDF_Dictionary* pRoot = GetRoot(); diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp index 19359ad7cf..82bfbb56eb 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_fdf.cpp @@ -70,13 +70,11 @@ void CFDF_Document::ParseStream(IFX_FileRead* pFile, FX_BOOL bOwnFile) { if (word != FX_BSTRC("trailer")) { break; } - CPDF_Dictionary* pMainDict = - (CPDF_Dictionary*)parser.GetObject(this, 0, 0, 0); - if (pMainDict == NULL || pMainDict->GetType() != PDFOBJ_DICTIONARY) { - break; + if (CPDF_Dictionary* pMainDict = + ToDictionary(parser.GetObject(this, 0, 0, 0))) { + m_pRootDict = pMainDict->GetDict(FX_BSTRC("Root")); + pMainDict->Release(); } - m_pRootDict = pMainDict->GetDict(FX_BSTRC("Root")); - pMainDict->Release(); break; } } @@ -142,18 +140,17 @@ void FPDF_FileSpec_SetWin32Path(CPDF_Object* pFileSpec, } if (pFileSpec->GetType() == PDFOBJ_STRING) { pFileSpec->SetString(CFX_ByteString::FromUnicode(result)); - } else if (pFileSpec->GetType() == PDFOBJ_DICTIONARY) { - ((CPDF_Dictionary*)pFileSpec) - ->SetAtString(FX_BSTRC("F"), CFX_ByteString::FromUnicode(result)); - ((CPDF_Dictionary*)pFileSpec) - ->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(result)); - ((CPDF_Dictionary*)pFileSpec)->RemoveAt(FX_BSTRC("FS")); + } else if (CPDF_Dictionary* pFileDict = pFileSpec->AsDictionary()) { + pFileDict->SetAtString(FX_BSTRC("F"), CFX_ByteString::FromUnicode(result)); + pFileDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(result)); + pFileDict->RemoveAt(FX_BSTRC("FS")); } } CFX_WideString FPDF_FileSpec_GetWin32Path(const CPDF_Object* pFileSpec) { CFX_WideString wsFileName; - if (pFileSpec->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pFileSpec; + if (!pFileSpec) { + wsFileName = CFX_WideString(); + } else if (const CPDF_Dictionary* pDict = pFileSpec->AsDictionary()) { wsFileName = pDict->GetUnicodeText(FX_BSTRC("UF")); if (wsFileName.IsEmpty()) { wsFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("F"))); @@ -164,9 +161,7 @@ CFX_WideString FPDF_FileSpec_GetWin32Path(const CPDF_Object* pFileSpec) { if (wsFileName.IsEmpty() && pDict->KeyExist(FX_BSTRC("DOS"))) { wsFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("DOS"))); } - } else if (!pFileSpec) - wsFileName = CFX_WideString(); - else { + } else { wsFileName = CFX_WideString::FromLocal(pFileSpec->GetString()); } if (wsFileName[0] != '/') { diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp index e1e821c4c5..1e6695ce2a 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_objects.cpp @@ -28,7 +28,7 @@ void CPDF_Object::Destroy() { delete (CPDF_Array*)this; break; case PDFOBJ_DICTIONARY: - delete (CPDF_Dictionary*)this; + delete this->AsDictionary(); break; case PDFOBJ_STREAM: delete (CPDF_Stream*)this; @@ -138,7 +138,9 @@ int CPDF_Object::GetInteger() const { CPDF_Dictionary* CPDF_Object::GetDict() const { switch (m_Type) { case PDFOBJ_DICTIONARY: - return (CPDF_Dictionary*)this; + // The method should be made non-const if we want to not be const. + // See bug #234. + return const_cast<CPDF_Dictionary*>(this->AsDictionary()); case PDFOBJ_STREAM: return ((CPDF_Stream*)this)->GetDict(); case PDFOBJ_REFERENCE: { @@ -215,7 +217,7 @@ FX_BOOL CPDF_Object::IsIdentical(CPDF_Object* pOther) const { case PDFOBJ_ARRAY: return (((CPDF_Array*)this)->Identical((CPDF_Array*)pOther)); case PDFOBJ_DICTIONARY: - return (((CPDF_Dictionary*)this)->Identical((CPDF_Dictionary*)pOther)); + return this->AsDictionary()->Identical(pOther->AsDictionary()); case PDFOBJ_NULL: return TRUE; case PDFOBJ_STREAM: @@ -264,7 +266,7 @@ CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect, } case PDFOBJ_DICTIONARY: { CPDF_Dictionary* pCopy = new CPDF_Dictionary(); - CPDF_Dictionary* pThis = (CPDF_Dictionary*)this; + const CPDF_Dictionary* pThis = this->AsDictionary(); FX_POSITION pos = pThis->m_Map.GetStartPosition(); while (pos) { CFX_ByteString key; @@ -283,9 +285,9 @@ CPDF_Object* CPDF_Object::CloneInternal(FX_BOOL bDirect, acc.LoadAllData(pThis, TRUE); FX_DWORD streamSize = acc.GetSize(); CPDF_Dictionary* pDict = pThis->GetDict(); - if (pDict) - pDict = (CPDF_Dictionary*)((CPDF_Object*)pDict) - ->CloneInternal(bDirect, visited); + if (pDict) { + pDict = ToDictionary(pDict->CloneInternal(bDirect, visited)); + } return new CPDF_Stream(acc.DetachData(), streamSize, pDict); } case PDFOBJ_REFERENCE: { @@ -335,6 +337,14 @@ void CPDF_Object::SetUnicodeText(const FX_WCHAR* pUnicodes, int len) { } } +CPDF_Dictionary* CPDF_Object::AsDictionary() { + return IsDictionary() ? static_cast<CPDF_Dictionary*>(this) : nullptr; +} + +const CPDF_Dictionary* CPDF_Object::AsDictionary() const { + return IsDictionary() ? static_cast<const CPDF_Dictionary*>(this) : nullptr; +} + CPDF_Number::CPDF_Number(int value) : CPDF_Object(PDFOBJ_NUMBER), m_bInteger(TRUE), m_Integer(value) {} @@ -442,8 +452,8 @@ CPDF_Dictionary* CPDF_Array::GetDict(FX_DWORD i) const { if (!p) { return NULL; } - if (p->GetType() == PDFOBJ_DICTIONARY) { - return (CPDF_Dictionary*)p; + if (CPDF_Dictionary* pDict = p->AsDictionary()) { + return pDict; } if (p->GetType() == PDFOBJ_STREAM) { return ((CPDF_Stream*)p)->GetDict(); @@ -663,8 +673,8 @@ CPDF_Dictionary* CPDF_Dictionary::GetDict(const CFX_ByteStringC& key) const { if (!p) { return nullptr; } - if (p->GetType() == PDFOBJ_DICTIONARY) { - return (CPDF_Dictionary*)p; + if (CPDF_Dictionary* pDict = p->AsDictionary()) { + return pDict; } if (p->GetType() == PDFOBJ_STREAM) { return ((CPDF_Stream*)p)->GetDict(); diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp index a36850bc2e..b436ba16f5 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp @@ -277,8 +277,8 @@ FX_DWORD CPDF_Parser::SetEncryptHandler() { } CPDF_Object* pEncryptObj = m_pTrailer->GetElement(FX_BSTRC("Encrypt")); if (pEncryptObj) { - if (pEncryptObj->GetType() == PDFOBJ_DICTIONARY) { - SetEncryptDictionary((CPDF_Dictionary*)pEncryptObj); + if (CPDF_Dictionary* pEncryptDict = pEncryptObj->AsDictionary()) { + SetEncryptDictionary(pEncryptDict); } else if (pEncryptObj->GetType() == PDFOBJ_REFERENCE) { pEncryptObj = m_pDocument->GetIndirectObject( ((CPDF_Reference*)pEncryptObj)->GetRefObjNum()); @@ -804,7 +804,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() { if (m_pTrailer) { m_pTrailer->Release(); } - m_pTrailer = (CPDF_Dictionary*)pDict->Clone(); + m_pTrailer = ToDictionary(pDict->Clone()); } } } @@ -857,15 +857,14 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() { m_Syntax.RestorePos(pos + i - m_Syntax.m_HeaderOffset); CPDF_Object* pObj = m_Syntax.GetObject(m_pDocument, 0, 0, 0); if (pObj) { - if (pObj->GetType() != PDFOBJ_DICTIONARY && - pObj->GetType() != PDFOBJ_STREAM) { + if (!pObj->IsDictionary() && pObj->GetType() != PDFOBJ_STREAM) { pObj->Release(); } else { CPDF_Dictionary* pTrailer = NULL; if (pObj->GetType() == PDFOBJ_STREAM) { pTrailer = ((CPDF_Stream*)pObj)->GetDict(); } else { - pTrailer = (CPDF_Dictionary*)pObj; + pTrailer = pObj->AsDictionary(); } if (pTrailer) { if (m_pTrailer) { @@ -890,7 +889,7 @@ FX_BOOL CPDF_Parser::RebuildCrossRef() { } } else { if (pObj->GetType() == PDFOBJ_STREAM) { - m_pTrailer = (CPDF_Dictionary*)pTrailer->Clone(); + m_pTrailer = ToDictionary(pTrailer->Clone()); pObj->Release(); } else { m_pTrailer = pTrailer; @@ -1034,13 +1033,13 @@ FX_BOOL CPDF_Parser::LoadCrossRefV5(FX_FILESIZE pos, return FALSE; } if (bMainXRef) { - m_pTrailer = (CPDF_Dictionary*)pStream->GetDict()->Clone(); + m_pTrailer = ToDictionary(pStream->GetDict()->Clone()); m_CrossRef.SetSize(size); if (m_V5Type.SetSize(size)) { FXSYS_memset(m_V5Type.GetData(), 0, size); } } else { - m_Trailers.Add((CPDF_Dictionary*)pStream->GetDict()->Clone()); + m_Trailers.Add(ToDictionary(pStream->GetDict()->Clone())); } std::vector<std::pair<int32_t, int32_t> > arrIndex; CPDF_Array* pArray = pStream->GetDict()->GetArray(FX_BSTRC("Index")); @@ -1490,9 +1489,9 @@ CPDF_Dictionary* CPDF_Parser::LoadTrailerV4() { nonstd::unique_ptr<CPDF_Object, ReleaseDeleter<CPDF_Object>> pObj( m_Syntax.GetObject(m_pDocument, 0, 0, 0)); - if (!pObj || pObj->GetType() != PDFOBJ_DICTIONARY) + if (!ToDictionary(pObj.get())) return nullptr; - return static_cast<CPDF_Dictionary*>(pObj.release()); + return pObj.release()->AsDictionary(); } FX_DWORD CPDF_Parser::GetPermissions(FX_BOOL bCheckRevision) { @@ -3490,7 +3489,7 @@ FX_BOOL CPDF_DataAvail::CheckPage(IFX_DownloadHints* pHints) { } } } - if (pObj->GetType() != PDFOBJ_DICTIONARY) { + if (!pObj->IsDictionary()) { pObj->Release(); continue; } @@ -4043,7 +4042,7 @@ FX_BOOL CPDF_DataAvail::CheckTrailer(IFX_DownloadHints* pHints) { pHints->AddSegment(m_Pos, iTrailerSize); return FALSE; } - if (pTrailer->GetType() != PDFOBJ_DICTIONARY) + if (!pTrailer->IsDictionary()) return FALSE; CPDF_Dictionary* pTrailerDict = pTrailer->GetDict(); @@ -4158,7 +4157,7 @@ FX_BOOL CPDF_DataAvail::CheckUnkownPageNode(FX_DWORD dwPageNo, pPage->Release(); return TRUE; } - if (pPage->GetType() != PDFOBJ_DICTIONARY) { + if (!pPage->IsDictionary()) { pPage->Release(); m_docStatus = PDF_DATAAVAIL_ERROR; return FALSE; diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp index 63454d2cb5..c34d8122f8 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_utility.cpp @@ -403,7 +403,7 @@ CFX_ByteTextBuf& operator<<(CFX_ByteTextBuf& buf, const CPDF_Object* pObj) { break; } case PDFOBJ_DICTIONARY: { - CPDF_Dictionary* p = (CPDF_Dictionary*)pObj; + const CPDF_Dictionary* p = pObj->AsDictionary(); buf << FX_BSTRC("<<"); FX_POSITION pos = p->GetStartPos(); while (pos) { diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp index 5b2158f17d..cb5450f913 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render.cpp @@ -738,7 +738,7 @@ FX_BOOL CPDF_RenderStatus::ProcessTransparency( return TRUE; } CPDF_Dictionary* pSMaskDict = - pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL; + pGeneralState ? ToDictionary(pGeneralState->m_pSoftMask) : NULL; if (pSMaskDict) { if (pPageObj->m_Type == PDFPAGE_IMAGE && ((CPDF_ImageObject*)pPageObj) @@ -1437,7 +1437,8 @@ FX_BOOL IPDF_OCContext::CheckObjectVisible(const CPDF_PageObject* pObj) { CPDF_ContentMarkItem& item = pData->GetItem(i); if (item.GetName() == FX_BSTRC("OC") && item.GetParamType() == CPDF_ContentMarkItem::PropertiesDict) { - CPDF_Dictionary* pOCG = (CPDF_Dictionary*)item.GetParam(); + CPDF_Dictionary* pOCG = + ToDictionary(static_cast<CPDF_Object*>(item.GetParam())); if (!CheckOCGVisible(pOCG)) { return FALSE; } diff --git a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp index 222f58c088..e4afdd80c2 100644 --- a/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp +++ b/core/src/fpdfapi/fpdf_render/fpdf_render_image.cpp @@ -1056,8 +1056,8 @@ CFX_DIBitmap* CPDF_RenderStatus::LoadSMask(CPDF_Dictionary* pSMaskDict, } CPDF_Function* pFunc = NULL; CPDF_Object* pFuncObj = pSMaskDict->GetElementValue(FX_BSTRC("TR")); - if (pFuncObj && (pFuncObj->GetType() == PDFOBJ_DICTIONARY || - pFuncObj->GetType() == PDFOBJ_STREAM)) { + if (pFuncObj && + (pFuncObj->IsDictionary() || pFuncObj->GetType() == PDFOBJ_STREAM)) { pFunc = CPDF_Function::Load(pFuncObj); } CFX_AffineMatrix matrix = *pMatrix; diff --git a/core/src/fpdfdoc/doc_action.cpp b/core/src/fpdfdoc/doc_action.cpp index 759a06c656..409d050484 100644 --- a/core/src/fpdfdoc/doc_action.cpp +++ b/core/src/fpdfdoc/doc_action.cpp @@ -251,13 +251,10 @@ CPDF_Action CPDF_Action::GetSubAction(FX_DWORD iIndex) const { return CPDF_Action(); } CPDF_Object* pNext = m_pDict->GetElementValue("Next"); - int iObjType = pNext->GetType(); - if (iObjType == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pDict = static_cast<CPDF_Dictionary*>(pNext); - if (iIndex == 0) { + if (CPDF_Dictionary* pDict = ToDictionary(pNext)) { + if (iIndex == 0) return CPDF_Action(pDict); - } - } else if (iObjType == PDFOBJ_ARRAY) { + } else if (pNext->GetType() == PDFOBJ_ARRAY) { CPDF_Array* pArray = static_cast<CPDF_Array*>(pNext); return CPDF_Action(pArray->GetDict(iIndex)); } @@ -295,9 +292,10 @@ CPDF_Action CPDF_AAction::GetNextAction(FX_POSITION& pos, return CPDF_Action(); } CPDF_Object* pDirect = pObj->GetDirect(); - if (!pDirect || pDirect->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pDict = ToDictionary(pDirect); + if (!pDict) return CPDF_Action(); - } + int i = 0; while (g_sAATypes[i][0] != '\0') { if (csKey == g_sAATypes[i]) { @@ -306,7 +304,7 @@ CPDF_Action CPDF_AAction::GetNextAction(FX_POSITION& pos, i++; } eType = (AActionType)i; - return CPDF_Action(static_cast<CPDF_Dictionary*>(pDirect)); + return CPDF_Action(pDict); } CPDF_DocJSActions::CPDF_DocJSActions(CPDF_Document* pDoc) { m_pDocument = pDoc; @@ -321,7 +319,7 @@ CPDF_Action CPDF_DocJSActions::GetJSAction(int index, ASSERT(m_pDocument != NULL); CPDF_NameTree name_tree(m_pDocument, FX_BSTRC("JavaScript")); CPDF_Object* pAction = name_tree.LookupValue(index, csName); - if (pAction == NULL || pAction->GetType() != PDFOBJ_DICTIONARY) { + if (!ToDictionary(pAction)) { return CPDF_Action(); } return CPDF_Action(pAction->GetDict()); @@ -330,7 +328,7 @@ CPDF_Action CPDF_DocJSActions::GetJSAction(const CFX_ByteString& csName) const { ASSERT(m_pDocument != NULL); CPDF_NameTree name_tree(m_pDocument, FX_BSTRC("JavaScript")); CPDF_Object* pAction = name_tree.LookupValue(csName); - if (pAction == NULL || pAction->GetType() != PDFOBJ_DICTIONARY) { + if (!ToDictionary(pAction)) { return CPDF_Action(); } return CPDF_Action(pAction->GetDict()); diff --git a/core/src/fpdfdoc/doc_annot.cpp b/core/src/fpdfdoc/doc_annot.cpp index 6f5ff797f2..4d0b703036 100644 --- a/core/src/fpdfdoc/doc_annot.cpp +++ b/core/src/fpdfdoc/doc_annot.cpp @@ -23,8 +23,8 @@ CPDF_AnnotList::CPDF_AnnotList(CPDF_Page* pPage) { CPDF_Dictionary* pAcroForm = pRoot->GetDict("AcroForm"); FX_BOOL bRegenerateAP = pAcroForm && pAcroForm->GetBoolean("NeedAppearances"); for (FX_DWORD i = 0; i < pAnnots->GetCount(); ++i) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pAnnots->GetElementValue(i); - if (pDict == NULL || pDict->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pDict = ToDictionary(pAnnots->GetElementValue(i)); + if (!pDict) { continue; } FX_DWORD dwObjNum = pDict->GetObjNum(); @@ -202,7 +202,7 @@ CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, CPDF_Stream* pStream = NULL; if (psub->GetType() == PDFOBJ_STREAM) { pStream = (CPDF_Stream*)psub; - } else if (psub->GetType() == PDFOBJ_DICTIONARY) { + } else if (CPDF_Dictionary* pDict = psub->AsDictionary()) { CFX_ByteString as = pAnnotDict->GetString("AS"); if (as.IsEmpty()) { CFX_ByteString value = pAnnotDict->GetString(FX_BSTRC("V")); @@ -210,13 +210,13 @@ CPDF_Stream* FPDFDOC_GetAnnotAP(CPDF_Dictionary* pAnnotDict, CPDF_Dictionary* pDict = pAnnotDict->GetDict(FX_BSTRC("Parent")); value = pDict ? pDict->GetString(FX_BSTRC("V")) : CFX_ByteString(); } - if (value.IsEmpty() || !((CPDF_Dictionary*)psub)->KeyExist(value)) { + if (value.IsEmpty() || !pDict->KeyExist(value)) { as = FX_BSTRC("Off"); } else { as = value; } } - pStream = ((CPDF_Dictionary*)psub)->GetStream(as); + pStream = pDict->GetStream(as); } return pStream; } diff --git a/core/src/fpdfdoc/doc_basic.cpp b/core/src/fpdfdoc/doc_basic.cpp index 39b5788c86..e3b630862c 100644 --- a/core/src/fpdfdoc/doc_basic.cpp +++ b/core/src/fpdfdoc/doc_basic.cpp @@ -17,7 +17,7 @@ int CPDF_Dest::GetPageIndex(CPDF_Document* pDoc) { if (pPage->GetType() == PDFOBJ_NUMBER) { return pPage->GetInteger(); } - if (pPage->GetType() != PDFOBJ_DICTIONARY) { + if (!pPage->IsDictionary()) { return 0; } return pDoc->GetPageIndex(pPage->GetObjNum()); @@ -33,7 +33,7 @@ FX_DWORD CPDF_Dest::GetPageObjNum() { if (pPage->GetType() == PDFOBJ_NUMBER) { return pPage->GetInteger(); } - if (pPage->GetType() == PDFOBJ_DICTIONARY) { + if (pPage->IsDictionary()) { return pPage->GetObjNum(); } return 0; @@ -243,8 +243,8 @@ CPDF_Array* CPDF_NameTree::LookupNamedDest(CPDF_Document* pDoc, if (pValue->GetType() == PDFOBJ_ARRAY) { return (CPDF_Array*)pValue; } - if (pValue->GetType() == PDFOBJ_DICTIONARY) { - return ((CPDF_Dictionary*)pValue)->GetArray(FX_BSTRC("D")); + if (CPDF_Dictionary* pDict = pValue->AsDictionary()) { + return pDict->GetArray(FX_BSTRC("D")); } return NULL; } @@ -311,11 +311,10 @@ static CFX_WideString FILESPEC_DecodeFileName(const CFX_WideStringC& filepath) { #endif } FX_BOOL CPDF_FileSpec::GetFileName(CFX_WideString& csFileName) const { - if (m_pObj == NULL) { + if (!m_pObj) { return FALSE; } - if (m_pObj->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)m_pObj; + if (CPDF_Dictionary* pDict = m_pObj->AsDictionary()) { csFileName = pDict->GetUnicodeText(FX_BSTRC("UF")); if (csFileName.IsEmpty()) { csFileName = CFX_WideString::FromLocal(pDict->GetString(FX_BSTRC("F"))); @@ -345,20 +344,15 @@ FX_BOOL CPDF_FileSpec::GetFileName(CFX_WideString& csFileName) const { } CPDF_FileSpec::CPDF_FileSpec() { m_pObj = CPDF_Dictionary::Create(); - if (m_pObj != NULL) { - ((CPDF_Dictionary*)m_pObj) - ->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Filespec")); + if (CPDF_Dictionary* pDict = ToDictionary(m_pObj)) { + pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Filespec")); } } FX_BOOL CPDF_FileSpec::IsURL() const { - if (m_pObj == NULL) { - return FALSE; - } - if (m_pObj->GetType() != PDFOBJ_DICTIONARY) { - return FALSE; + if (CPDF_Dictionary* pDict = ToDictionary(m_pObj)) { + return pDict->GetString(FX_BSTRC("FS")) == FX_BSTRC("URL"); } - return ((CPDF_Dictionary*)m_pObj)->GetString(FX_BSTRC("FS")) == - FX_BSTRC("URL"); + return FALSE; } CFX_WideString FILESPEC_EncodeFileName(const CFX_WideStringC& filepath) { if (filepath.GetLength() <= 1) { @@ -402,15 +396,10 @@ CPDF_Stream* CPDF_FileSpec::GetFileStream() const { return NULL; } int32_t iType = m_pObj->GetType(); - if (iType == PDFOBJ_STREAM) { + if (iType == PDFOBJ_STREAM) return (CPDF_Stream*)m_pObj; - } else if (iType == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pEF = ((CPDF_Dictionary*)m_pObj)->GetDict(FX_BSTRC("EF")); - if (pEF == NULL) { - return NULL; - } + if (CPDF_Dictionary* pEF = m_pObj->AsDictionary()->GetDict(FX_BSTRC("EF"))) return pEF->GetStream(FX_BSTRC("F")); - } return NULL; } static void FPDFDOC_FILESPEC_SetFileName(CPDF_Object* pObj, @@ -426,8 +415,7 @@ static void FPDFDOC_FILESPEC_SetFileName(CPDF_Object* pObj, int32_t iType = pObj->GetType(); if (iType == PDFOBJ_STRING) { pObj->SetString(CFX_ByteString::FromUnicode(wsStr)); - } else if (iType == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; + } else if (CPDF_Dictionary* pDict = pObj->AsDictionary()) { pDict->SetAtString(FX_BSTRC("F"), CFX_ByteString::FromUnicode(wsStr)); pDict->SetAtString(FX_BSTRC("UF"), PDF_EncodeText(wsStr)); } @@ -435,8 +423,10 @@ static void FPDFDOC_FILESPEC_SetFileName(CPDF_Object* pObj, void CPDF_FileSpec::SetFileName(const CFX_WideStringC& wsFileName, FX_BOOL bURL) { ASSERT(m_pObj != NULL); - if (m_pObj->GetType() == PDFOBJ_DICTIONARY && bURL) { - ((CPDF_Dictionary*)m_pObj)->SetAtName(FX_BSTRC("FS"), "URL"); + if (bURL) { + if (CPDF_Dictionary* pDict = m_pObj->AsDictionary()) { + pDict->SetAtName(FX_BSTRC("FS"), "URL"); + } } FPDFDOC_FILESPEC_SetFileName(m_pObj, wsFileName, bURL); } @@ -517,8 +507,7 @@ CFX_WideString CPDF_PageLabel::GetLabel(int nPage) const { } if (pValue != NULL) { pValue = pValue->GetDirect(); - if (pValue->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pLabel = (CPDF_Dictionary*)pValue; + if (CPDF_Dictionary* pLabel = pValue->AsDictionary()) { if (pLabel->KeyExist(FX_BSTRC("P"))) { wsLabel += pLabel->GetUnicodeText(FX_BSTRC("P")); } diff --git a/core/src/fpdfdoc/doc_form.cpp b/core/src/fpdfdoc/doc_form.cpp index 17f1808444..8078608883 100644 --- a/core/src/fpdfdoc/doc_form.cpp +++ b/core/src/fpdfdoc/doc_form.cpp @@ -854,9 +854,9 @@ CPDF_FormField* CPDF_InterForm::GetFieldInCalculationOrder(int index) { if (pArray == NULL) { return NULL; } - CPDF_Object* pElement = pArray->GetElementValue(index); - if (pElement != NULL && pElement->GetType() == PDFOBJ_DICTIONARY) { - return GetFieldByDict((CPDF_Dictionary*)pElement); + if (CPDF_Dictionary* pElement = + ToDictionary(pArray->GetElementValue(index))) { + return GetFieldByDict(pElement); } return NULL; } @@ -1049,25 +1049,24 @@ void CPDF_InterForm::FixPageFields(const CPDF_Page* pPage) { } } } -CPDF_FormField* CPDF_InterForm::AddTerminalField( - const CPDF_Dictionary* pFieldDict) { +CPDF_FormField* CPDF_InterForm::AddTerminalField(CPDF_Dictionary* pFieldDict) { if (!pFieldDict->KeyExist(FX_BSTRC("T"))) { return NULL; } - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pFieldDict; - CFX_WideString csWName = GetFullName(pDict); + CPDF_Dictionary* pDict = pFieldDict; + CFX_WideString csWName = GetFullName(pFieldDict); if (csWName.IsEmpty()) { return NULL; } CPDF_FormField* pField = NULL; pField = m_pFieldTree->GetField(csWName); if (pField == NULL) { - CPDF_Dictionary* pParent = (CPDF_Dictionary*)pFieldDict; + CPDF_Dictionary* pParent = pFieldDict; if (!pFieldDict->KeyExist(FX_BSTRC("T")) && pFieldDict->GetString(FX_BSTRC("Subtype")) == FX_BSTRC("Widget")) { pParent = pFieldDict->GetDict(FX_BSTRC("Parent")); if (!pParent) { - pParent = (CPDF_Dictionary*)pFieldDict; + pParent = pFieldDict; } } if (pParent && pParent != pFieldDict && @@ -1116,15 +1115,14 @@ CPDF_FormField* CPDF_InterForm::AddTerminalField( } return pField; } -CPDF_FormControl* CPDF_InterForm::AddControl( - const CPDF_FormField* pField, - const CPDF_Dictionary* pWidgetDict) { +CPDF_FormControl* CPDF_InterForm::AddControl(const CPDF_FormField* pField, + CPDF_Dictionary* pWidgetDict) { const auto it = m_ControlMap.find(pWidgetDict); if (it != m_ControlMap.end()) return it->second; - CPDF_FormControl* pControl = new CPDF_FormControl( - (CPDF_FormField*)pField, (CPDF_Dictionary*)pWidgetDict); + CPDF_FormControl* pControl = + new CPDF_FormControl((CPDF_FormField*)pField, pWidgetDict); m_ControlMap[pWidgetDict] = pControl; ((CPDF_FormField*)pField)->m_ControlList.Add(pControl); return pControl; diff --git a/core/src/fpdfdoc/doc_formcontrol.cpp b/core/src/fpdfdoc/doc_formcontrol.cpp index 410f9a1f21..c5f47d20cb 100644 --- a/core/src/fpdfdoc/doc_formcontrol.cpp +++ b/core/src/fpdfdoc/doc_formcontrol.cpp @@ -61,10 +61,10 @@ void CPDF_FormControl::SetOnStateName(const CFX_ByteString& csOn) { continue; } CPDF_Object* pObjDirect1 = pObj1->GetDirect(); - if (pObjDirect1->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pSubDict = pObjDirect1->AsDictionary(); + if (!pSubDict) continue; - } - CPDF_Dictionary* pSubDict = (CPDF_Dictionary*)pObjDirect1; + FX_POSITION pos2 = pSubDict->GetStartPos(); while (pos2) { CFX_ByteString csKey2; @@ -287,8 +287,8 @@ CPDF_Font* CPDF_FormControl::GetDefaultControlFont() { return nullptr; CPDF_Object* pObj = FPDF_GetFieldAttr(m_pWidgetDict, "DR"); - if (pObj && pObj->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pFonts = ((CPDF_Dictionary*)pObj)->GetDict("Font"); + if (CPDF_Dictionary* pDict = ToDictionary(pObj)) { + CPDF_Dictionary* pFonts = pDict->GetDict("Font"); if (pFonts) { CPDF_Dictionary* pElement = pFonts->GetDict(csFontNameTag); if (pElement) { @@ -304,8 +304,8 @@ CPDF_Font* CPDF_FormControl::GetDefaultControlFont() { CPDF_Dictionary* pPageDict = m_pWidgetDict->GetDict("P"); pObj = FPDF_GetFieldAttr(pPageDict, "Resources"); - if (pObj && pObj->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pFonts = ((CPDF_Dictionary*)pObj)->GetDict("Font"); + if (CPDF_Dictionary* pDict = ToDictionary(pObj)) { + CPDF_Dictionary* pFonts = pDict->GetDict("Font"); if (pFonts) { CPDF_Dictionary* pElement = pFonts->GetDict(csFontNameTag); if (pElement) { diff --git a/core/src/fpdfdoc/doc_ocg.cpp b/core/src/fpdfdoc/doc_ocg.cpp index 70ad9c710d..e66b04489f 100644 --- a/core/src/fpdfdoc/doc_ocg.cpp +++ b/core/src/fpdfdoc/doc_ocg.cpp @@ -209,9 +209,8 @@ FX_BOOL CPDF_OCContext::GetOCGVE(CPDF_Array* pExpression, if (pOCGObj == NULL) { return FALSE; } - if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) { - return !(bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) - : GetOCGVisible((CPDF_Dictionary*)pOCGObj)); + if (CPDF_Dictionary* pDict = pOCGObj->AsDictionary()) { + return !(bFromConfig ? LoadOCGState(pDict) : GetOCGVisible(pDict)); } if (pOCGObj->GetType() == PDFOBJ_ARRAY) { return !GetOCGVE((CPDF_Array*)pOCGObj, bFromConfig, nLevel + 1); @@ -226,9 +225,8 @@ FX_BOOL CPDF_OCContext::GetOCGVE(CPDF_Array* pExpression, continue; } FX_BOOL bItem = FALSE; - if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) { - bItem = bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) - : GetOCGVisible((CPDF_Dictionary*)pOCGObj); + if (CPDF_Dictionary* pDict = pOCGObj->AsDictionary()) { + bItem = bFromConfig ? LoadOCGState(pDict) : GetOCGVisible(pDict); } else if (pOCGObj->GetType() == PDFOBJ_ARRAY) { bItem = GetOCGVE((CPDF_Array*)pOCGObj, bFromConfig, nLevel + 1); } @@ -258,9 +256,8 @@ FX_BOOL CPDF_OCContext::LoadOCMDState(const CPDF_Dictionary* pOCMDDict, if (pOCGObj == NULL) { return TRUE; } - if (pOCGObj->GetType() == PDFOBJ_DICTIONARY) { - return bFromConfig ? LoadOCGState((CPDF_Dictionary*)pOCGObj) - : GetOCGVisible((CPDF_Dictionary*)pOCGObj); + if (const CPDF_Dictionary* pDict = pOCGObj->AsDictionary()) { + return bFromConfig ? LoadOCGState(pDict) : GetOCGVisible(pDict); } if (pOCGObj->GetType() != PDFOBJ_ARRAY) { return TRUE; diff --git a/core/src/fpdfdoc/doc_tagged.cpp b/core/src/fpdfdoc/doc_tagged.cpp index facad46886..fb3a05d59f 100644 --- a/core/src/fpdfdoc/doc_tagged.cpp +++ b/core/src/fpdfdoc/doc_tagged.cpp @@ -54,9 +54,9 @@ void CPDF_StructTreeImpl::LoadDocTree() { if (pKids == NULL) { return; } - if (pKids->GetType() == PDFOBJ_DICTIONARY) { + if (CPDF_Dictionary* pDict = pKids->AsDictionary()) { CPDF_StructElementImpl* pStructElementImpl = - new CPDF_StructElementImpl(this, NULL, (CPDF_Dictionary*)pKids); + new CPDF_StructElementImpl(this, NULL, pDict); m_Kids.Add(pStructElementImpl); return; } @@ -81,7 +81,7 @@ void CPDF_StructTreeImpl::LoadPageTree(const CPDF_Dictionary* pPageDict) { return; } FX_DWORD dwKids = 0; - if (pKids->GetType() == PDFOBJ_DICTIONARY) { + if (pKids->IsDictionary()) { dwKids = 1; } else if (pKids->GetType() == PDFOBJ_ARRAY) { dwKids = ((CPDF_Array*)pKids)->GetCount(); @@ -161,7 +161,7 @@ FX_BOOL CPDF_StructTreeImpl::AddTopLevelNode(CPDF_Dictionary* pDict, if (!pObj) { return FALSE; } - if (pObj->GetType() == PDFOBJ_DICTIONARY) { + if (pObj->IsDictionary()) { if (pObj->GetObjNum() == pDict->GetObjNum()) { if (m_Kids[0]) { m_Kids[0]->Release(); @@ -266,10 +266,10 @@ void CPDF_StructElementImpl::LoadKid(FX_DWORD PageObjNum, pKid->m_PageContent.m_PageObjNum = PageObjNum; return; } - if (pKidObj->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pKidDict = pKidObj->AsDictionary(); + if (!pKidDict) return; - } - CPDF_Dictionary* pKidDict = (CPDF_Dictionary*)pKidObj; + CPDF_Object* pPageObj = pKidDict->GetElement(FX_BSTRC("Pg")); if (pPageObj && pPageObj->GetType() == PDFOBJ_REFERENCE) { PageObjNum = ((CPDF_Reference*)pPageObj)->GetRefObjNum(); @@ -322,8 +322,8 @@ static CPDF_Dictionary* FindAttrDict(CPDF_Object* pAttrs, return NULL; } CPDF_Dictionary* pDict = NULL; - if (pAttrs->GetType() == PDFOBJ_DICTIONARY) { - pDict = (CPDF_Dictionary*)pAttrs; + if (pAttrs->IsDictionary()) { + pDict = pAttrs->AsDictionary(); } else if (pAttrs->GetType() == PDFOBJ_STREAM) { pDict = ((CPDF_Stream*)pAttrs)->GetDict(); } else if (pAttrs->GetType() == PDFOBJ_ARRAY) { diff --git a/core/src/fpdfdoc/doc_utils.cpp b/core/src/fpdfdoc/doc_utils.cpp index 1ed0017078..7d3fdf2f23 100644 --- a/core/src/fpdfdoc/doc_utils.cpp +++ b/core/src/fpdfdoc/doc_utils.cpp @@ -290,9 +290,8 @@ FX_DWORD CountInterFormFonts(CPDF_Dictionary* pFormDict) { if (pObj == NULL) { continue; } - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect != NULL && pDirect->GetType() == PDFOBJ_DICTIONARY) { - if (((CPDF_Dictionary*)pDirect)->GetString("Type") == "Font") { + if (CPDF_Dictionary* pDirect = ToDictionary(pObj->GetDirect())) { + if (pDirect->GetString("Type") == "Font") { dwCount++; } } @@ -323,14 +322,11 @@ CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, if (pObj == NULL) { continue; } - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect()); + if (!pElement) continue; - } - CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect; - if (pElement->GetString("Type") != "Font") { + if (pElement->GetString("Type") != "Font") continue; - } if (dwCount == index) { csNameTag = csKey; return pDocument->LoadFont(pElement); @@ -386,18 +382,16 @@ CPDF_Font* GetInterFormFont(CPDF_Dictionary* pFormDict, if (pObj == NULL) { continue; } - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect()); + if (!pElement) continue; - } - CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect; - if (pElement->GetString("Type") != "Font") { + if (pElement->GetString("Type") != "Font") continue; - } + CPDF_Font* pFind = pDocument->LoadFont(pElement); - if (pFind == NULL) { + if (!pFind) continue; - } + CFX_ByteString csBaseFont; csBaseFont = pFind->GetBaseFont(); csBaseFont.Remove(' '); @@ -431,14 +425,11 @@ CPDF_Font* GetNativeInterFormFont(CPDF_Dictionary* pFormDict, if (pObj == NULL) { continue; } - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect()); + if (!pElement) continue; - } - CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect; - if (pElement->GetString("Type") != "Font") { + if (pElement->GetString("Type") != "Font") continue; - } CPDF_Font* pFind = pDocument->LoadFont(pElement); if (pFind == NULL) { continue; @@ -492,11 +483,9 @@ FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict, if (pObj == NULL) { continue; } - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect()); + if (!pElement) continue; - } - CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect; if (pElement->GetString("Type") != "Font") { continue; } @@ -534,11 +523,9 @@ FX_BOOL FindInterFormFont(CPDF_Dictionary* pFormDict, if (pObj == NULL) { continue; } - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) { + CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect()); + if (!pElement) continue; - } - CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect; if (pElement->GetString("Type") != "Font") { continue; } diff --git a/core/src/fpdftext/fpdf_text_int.cpp b/core/src/fpdftext/fpdf_text_int.cpp index 906554dde2..99f36a0858 100644 --- a/core/src/fpdftext/fpdf_text_int.cpp +++ b/core/src/fpdftext/fpdf_text_int.cpp @@ -1286,7 +1286,7 @@ int32_t CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) { for (n = 0; n < nContentMark; n++) { CPDF_ContentMarkItem& item = pMarkData->GetItem(n); CFX_ByteString tagStr = (CFX_ByteString)item.GetName(); - pDict = (CPDF_Dictionary*)item.GetParam(); + pDict = ToDictionary(static_cast<CPDF_Object*>(item.GetParam())); CPDF_String* temp = (CPDF_String*)(pDict ? pDict->GetElement(FX_BSTRC("ActualText")) : NULL); @@ -1357,7 +1357,7 @@ void CPDF_TextPage::ProcessMarkedContent(PDFTEXT_Obj Obj) { for (n = 0; n < nContentMark; n++) { CPDF_ContentMarkItem& item = pMarkData->GetItem(n); CFX_ByteString tagStr = (CFX_ByteString)item.GetName(); - pDict = (CPDF_Dictionary*)item.GetParam(); + pDict = ToDictionary(static_cast<CPDF_Object*>(item.GetParam())); CPDF_String* temp = (CPDF_String*)(pDict ? pDict->GetElement(FX_BSTRC("ActualText")) : NULL); diff --git a/fpdfsdk/src/formfiller/FFL_CBA_Fontmap.cpp b/fpdfsdk/src/formfiller/FFL_CBA_Fontmap.cpp index 3a8853cb24..147a0588cc 100644 --- a/fpdfsdk/src/formfiller/FFL_CBA_Fontmap.cpp +++ b/fpdfsdk/src/formfiller/FFL_CBA_Fontmap.cpp @@ -137,11 +137,9 @@ CPDF_Font* CBA_FontMap::FindResFontSameCharset(CPDF_Dictionary* pResDict, if (pObj == NULL) continue; - CPDF_Object* pDirect = pObj->GetDirect(); - if (pDirect == NULL || pDirect->GetType() != PDFOBJ_DICTIONARY) + CPDF_Dictionary* pElement = ToDictionary(pObj->GetDirect()); + if (!pElement) continue; - - CPDF_Dictionary* pElement = (CPDF_Dictionary*)pDirect; if (pElement->GetString("Type") != "Font") continue; @@ -181,7 +179,7 @@ void CBA_FontMap::AddFontToAnnotDict(CPDF_Font* pFont, // to avoid checkbox and radiobutton CPDF_Object* pObject = pAPDict->GetElement(m_sAPType); - if (pObject && pObject->GetType() == PDFOBJ_DICTIONARY) + if (ToDictionary(pObject)) return; CPDF_Stream* pStream = pAPDict->GetStream(m_sAPType); diff --git a/fpdfsdk/src/formfiller/FFL_Utils.cpp b/fpdfsdk/src/formfiller/FFL_Utils.cpp index d2ce56ac52..a4463b7242 100644 --- a/fpdfsdk/src/formfiller/FFL_Utils.cpp +++ b/fpdfsdk/src/formfiller/FFL_Utils.cpp @@ -51,7 +51,7 @@ FX_BOOL CFFL_Utils::TraceObject(CPDF_Object* pObj) { } break; case PDFOBJ_DICTIONARY: { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; + CPDF_Dictionary* pDict = pObj->AsDictionary(); FX_POSITION fPos = pDict->GetStartPos(); CFX_ByteString csKey; diff --git a/fpdfsdk/src/fpdf_flatten.cpp b/fpdfsdk/src/fpdf_flatten.cpp index b2303f36aa..fee93f2663 100644 --- a/fpdfsdk/src/fpdf_flatten.cpp +++ b/fpdfsdk/src/fpdf_flatten.cpp @@ -94,11 +94,10 @@ int ParserAnnots(CPDF_Document* pSourceDoc, FX_DWORD dwSize = pAnnots->GetCount(); for (int i = 0; i < (int)dwSize; i++) { - CPDF_Object* pObj = pAnnots->GetElementValue(i); - if (!pObj || pObj->GetType() != PDFOBJ_DICTIONARY) + CPDF_Dictionary* pAnnotDic = ToDictionary(pAnnots->GetElementValue(i)); + if (!pAnnotDic) continue; - CPDF_Dictionary* pAnnotDic = (CPDF_Dictionary*)pObj; CFX_ByteString sSubtype = pAnnotDic->GetString("Subtype"); if (sSubtype == "Popup") continue; diff --git a/fpdfsdk/src/fpdf_transformpage.cpp b/fpdfsdk/src/fpdf_transformpage.cpp index cdc646ae7e..1e24b68f08 100644 --- a/fpdfsdk/src/fpdf_transformpage.cpp +++ b/fpdfsdk/src/fpdf_transformpage.cpp @@ -166,8 +166,8 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFPage_TransFormWithClip(FPDF_PAGE page, CPDF_Object* pObj = pPattenDict->GetNextElement(pos, key); if (pObj->GetType() == PDFOBJ_REFERENCE) pObj = pObj->GetDirect(); - if (pObj->GetType() == PDFOBJ_DICTIONARY) { - pDict = (CPDF_Dictionary*)pObj; + if (pObj->IsDictionary()) { + pDict = pObj->AsDictionary(); } else if (pObj->GetType() == PDFOBJ_STREAM) { pDict = ((CPDF_Stream*)pObj)->GetDict(); } else diff --git a/fpdfsdk/src/fpdfdoc.cpp b/fpdfsdk/src/fpdfdoc.cpp index b770295604..ad8ef8bea3 100644 --- a/fpdfsdk/src/fpdfdoc.cpp +++ b/fpdfsdk/src/fpdfdoc.cpp @@ -56,7 +56,8 @@ FPDFBookmark_GetFirstChild(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict) { if (!pDoc) return nullptr; CPDF_BookmarkTree tree(pDoc); - CPDF_Bookmark bookmark = CPDF_Bookmark((CPDF_Dictionary*)pDict); + CPDF_Bookmark bookmark = + CPDF_Bookmark(ToDictionary(static_cast<CPDF_Object*>(pDict))); return tree.GetFirstChild(bookmark).GetDict(); } @@ -68,7 +69,8 @@ FPDFBookmark_GetNextSibling(FPDF_DOCUMENT document, FPDF_BOOKMARK pDict) { if (!pDoc) return nullptr; CPDF_BookmarkTree tree(pDoc); - CPDF_Bookmark bookmark = CPDF_Bookmark((CPDF_Dictionary*)pDict); + CPDF_Bookmark bookmark = + CPDF_Bookmark(ToDictionary(static_cast<CPDF_Object*>(pDict))); return tree.GetNextSibling(bookmark).GetDict(); } @@ -77,7 +79,7 @@ DLLEXPORT unsigned long STDCALL FPDFBookmark_GetTitle(FPDF_BOOKMARK pDict, unsigned long buflen) { if (!pDict) return 0; - CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict); + CPDF_Bookmark bookmark(ToDictionary(static_cast<CPDF_Object*>(pDict))); CFX_WideString title = bookmark.GetTitle(); CFX_ByteString encodedTitle = title.UTF16LE_Encode(); unsigned long len = encodedTitle.GetLength(); @@ -107,7 +109,7 @@ DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); if (!pDoc) return nullptr; - CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict); + CPDF_Bookmark bookmark(ToDictionary(static_cast<CPDF_Object*>(pDict))); CPDF_Dest dest = bookmark.GetDest(pDoc); if (dest) return dest.GetObject(); @@ -122,7 +124,7 @@ DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK pDict) { if (!pDict) return NULL; - CPDF_Bookmark bookmark((CPDF_Dictionary*)pDict); + CPDF_Bookmark bookmark(ToDictionary(static_cast<CPDF_Object*>(pDict))); return bookmark.GetAction().GetDict(); } @@ -130,7 +132,7 @@ DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION pDict) { if (!pDict) return PDFACTION_UNSUPPORTED; - CPDF_Action action((CPDF_Dictionary*)pDict); + CPDF_Action action(ToDictionary(static_cast<CPDF_Object*>(pDict))); CPDF_Action::ActionType type = action.GetType(); switch (type) { case CPDF_Action::GoTo: @@ -153,7 +155,7 @@ DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); if (!pDoc) return nullptr; - CPDF_Action action((CPDF_Dictionary*)pDict); + CPDF_Action action(ToDictionary(static_cast<CPDF_Object*>(pDict))); return action.GetDest(pDoc).GetObject(); } @@ -163,7 +165,7 @@ FPDFAction_GetFilePath(FPDF_ACTION pDict, void* buffer, unsigned long buflen) { if (type != PDFACTION_REMOTEGOTO && type != PDFACTION_LAUNCH) return 0; - CPDF_Action action((CPDF_Dictionary*)pDict); + CPDF_Action action(ToDictionary(static_cast<CPDF_Object*>(pDict))); CFX_ByteString path = action.GetFilePath().UTF8Encode(); unsigned long len = path.GetLength() + 1; if (buffer && buflen >= len) @@ -180,7 +182,7 @@ DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); if (!pDoc) return 0; - CPDF_Action action((CPDF_Dictionary*)pDict); + CPDF_Action action(ToDictionary(static_cast<CPDF_Object*>(pDict))); CFX_ByteString path = action.GetURI(pDoc); unsigned long len = path.GetLength() + 1; if (buffer && buflen >= len) @@ -235,7 +237,7 @@ DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, CPDF_Document* pDoc = CPDFDocumentFromFPDFDocument(document); if (!pDoc) return nullptr; - CPDF_Link link((CPDF_Dictionary*)pDict); + CPDF_Link link(ToDictionary(static_cast<CPDF_Object*>(pDict))); FPDF_DEST dest = link.GetDest(pDoc).GetObject(); if (dest) return dest; @@ -250,7 +252,7 @@ DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK pDict) { if (!pDict) return nullptr; - CPDF_Link link((CPDF_Dictionary*)pDict); + CPDF_Link link(ToDictionary(static_cast<CPDF_Object*>(pDict))); return link.GetAction().GetDict(); } @@ -266,8 +268,9 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, if (!pAnnots) return FALSE; for (int i = *startPos; i < (int)pAnnots->GetCount(); i++) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pAnnots->GetElementValue(i); - if (!pDict || pDict->GetType() != PDFOBJ_DICTIONARY) + CPDF_Dictionary* pDict = + ToDictionary(static_cast<CPDF_Object*>(pAnnots->GetElementValue(i))); + if (!pDict) continue; if (pDict->GetString(FX_BSTRC("Subtype")).Equal(FX_BSTRC("Link"))) { *startPos = i + 1; @@ -282,7 +285,8 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot, FS_RECTF* rect) { if (!linkAnnot || !rect) return FALSE; - CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot; + CPDF_Dictionary* pAnnotDict = + ToDictionary(static_cast<CPDF_Object*>(linkAnnot)); CPDF_Rect rt = pAnnotDict->GetRect(FX_BSTRC("Rect")); rect->left = rt.left; rect->bottom = rt.bottom; @@ -294,7 +298,8 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot, DLLEXPORT int STDCALL FPDFLink_CountQuadPoints(FPDF_LINK linkAnnot) { if (!linkAnnot) return 0; - CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot; + CPDF_Dictionary* pAnnotDict = + ToDictionary(static_cast<CPDF_Object*>(linkAnnot)); CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints")); if (!pArray) return 0; @@ -306,7 +311,8 @@ DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, FS_QUADPOINTSF* quadPoints) { if (!linkAnnot || !quadPoints) return FALSE; - CPDF_Dictionary* pAnnotDict = (CPDF_Dictionary*)linkAnnot; + CPDF_Dictionary* pAnnotDict = + ToDictionary(static_cast<CPDF_Object*>(linkAnnot)); CPDF_Array* pArray = pAnnotDict->GetArray(FX_BSTRC("QuadPoints")); if (pArray) { if (quadIndex < 0 || quadIndex >= (int)pArray->GetCount() / 8 || diff --git a/fpdfsdk/src/fpdfeditpage.cpp b/fpdfsdk/src/fpdfeditpage.cpp index f2d13d6ba1..7b70526b0c 100644 --- a/fpdfsdk/src/fpdfeditpage.cpp +++ b/fpdfsdk/src/fpdfeditpage.cpp @@ -103,7 +103,7 @@ DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page) { else { if (pDict->KeyExist("Parent")) { CPDF_Dictionary* pPages = - (CPDF_Dictionary*)pDict->GetElement("Parent")->GetDirect(); + ToDictionary(pDict->GetElement("Parent")->GetDirect()); while (pPages) { if (pPages->KeyExist("Rotate")) { rotate = @@ -113,8 +113,7 @@ DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page) { : 0; break; } else if (pPages->KeyExist("Parent")) - pPages = - (CPDF_Dictionary*)pPages->GetElement("Parent")->GetDirect(); + pPages = ToDictionary(pPages->GetElement("Parent")->GetDirect()); else break; } @@ -213,7 +212,7 @@ FPDFPageObj_HasTransparency(FPDF_PAGEOBJECT pageObject) { return TRUE; CPDF_Dictionary* pSMaskDict = - pGeneralState ? (CPDF_Dictionary*)pGeneralState->m_pSoftMask : NULL; + pGeneralState ? ToDictionary(pGeneralState->m_pSoftMask) : NULL; if (pSMaskDict) return TRUE; diff --git a/fpdfsdk/src/fpdfppo.cpp b/fpdfsdk/src/fpdfppo.cpp index 2508adca7b..ab25b76934 100644 --- a/fpdfsdk/src/fpdfppo.cpp +++ b/fpdfsdk/src/fpdfppo.cpp @@ -60,7 +60,7 @@ FX_BOOL CPDF_PageOrganizer::PDFDocInit(CPDF_Document* pDestPDFDoc, CPDF_Object* pElement = pNewRoot->GetElement("Pages"); CPDF_Dictionary* pNewPages = - pElement ? (CPDF_Dictionary*)pElement->GetDirect() : nullptr; + pElement ? ToDictionary(pElement->GetDirect()) : nullptr; if (!pNewPages) { pNewPages = new CPDF_Dictionary; FX_DWORD NewPagesON = pDestPDFDoc->AddIndirectObject(pNewPages); @@ -183,14 +183,13 @@ CPDF_Object* CPDF_PageOrganizer::PageDictGetInheritableTag( if (pType->GetString().Compare("Page")) return nullptr; - CPDF_Object* pParent = pDict->GetElement("Parent")->GetDirect(); - if (!pParent || pParent->GetType() != PDFOBJ_DICTIONARY) + CPDF_Dictionary* pp = ToDictionary(pDict->GetElement("Parent")->GetDirect()); + if (!pp) return nullptr; if (pDict->KeyExist((const char*)nSrctag)) return pDict->GetElement((const char*)nSrctag); - CPDF_Dictionary* pp = (CPDF_Dictionary*)pParent; while (pp) { if (pp->KeyExist((const char*)nSrctag)) { return pp->GetElement((const char*)nSrctag); @@ -198,12 +197,8 @@ CPDF_Object* CPDF_PageOrganizer::PageDictGetInheritableTag( if (!pp->KeyExist("Parent")) { break; } - pp = (CPDF_Dictionary*)pp->GetElement("Parent")->GetDirect(); - if (pp->GetType() == PDFOBJ_NULL) { - break; - } + pp = ToDictionary(pp->GetElement("Parent")->GetDirect()); } - return nullptr; } @@ -220,7 +215,7 @@ FX_BOOL CPDF_PageOrganizer::UpdateReference(CPDF_Object* pObj, break; } case PDFOBJ_DICTIONARY: { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pObj; + CPDF_Dictionary* pDict = pObj->AsDictionary(); FX_POSITION pos = pDict->GetStartPos(); while (pos) { @@ -291,8 +286,7 @@ FX_DWORD CPDF_PageOrganizer::GetNewObjId(CPDF_Document* pDoc, if (!pClone) return 0; - if (pClone->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pDictClone = (CPDF_Dictionary*)pClone; + if (CPDF_Dictionary* pDictClone = pClone->AsDictionary()) { if (pDictClone->KeyExist("Type")) { CFX_ByteString strType = pDictClone->GetString("Type"); if (!FXSYS_stricmp(strType, "Pages")) { diff --git a/fpdfsdk/src/fpdfview.cpp b/fpdfsdk/src/fpdfview.cpp index 19faea5cc9..0d6dcf29f1 100644 --- a/fpdfsdk/src/fpdfview.cpp +++ b/fpdfsdk/src/fpdfview.cpp @@ -882,8 +882,8 @@ DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, } if (!pDestObj) return NULL; - if (pDestObj->GetType() == PDFOBJ_DICTIONARY) { - pDestObj = ((CPDF_Dictionary*)pDestObj)->GetArray(FX_BSTRC("D")); + if (CPDF_Dictionary* pDict = pDestObj->AsDictionary()) { + pDestObj = pDict->GetArray(FX_BSTRC("D")); if (!pDestObj) return NULL; } diff --git a/fpdfsdk/src/fsdk_baseform.cpp b/fpdfsdk/src/fsdk_baseform.cpp index 7d0346c797..b4aa822bb6 100644 --- a/fpdfsdk/src/fsdk_baseform.cpp +++ b/fpdfsdk/src/fsdk_baseform.cpp @@ -65,8 +65,7 @@ FX_BOOL CPDFSDK_Widget::IsWidgetAppearanceValid( return psub->GetType() == PDFOBJ_STREAM; case FIELDTYPE_CHECKBOX: case FIELDTYPE_RADIOBUTTON: - if (psub->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pSubDict = (CPDF_Dictionary*)psub; + if (CPDF_Dictionary* pSubDict = psub->AsDictionary()) { return pSubDict->GetStream(GetAppState()) != NULL; } return FALSE; diff --git a/fpdfsdk/src/fsdk_mgr.cpp b/fpdfsdk/src/fsdk_mgr.cpp index 883ad60a93..4cf05a2d79 100644 --- a/fpdfsdk/src/fsdk_mgr.cpp +++ b/fpdfsdk/src/fsdk_mgr.cpp @@ -480,8 +480,7 @@ FX_BOOL CPDFSDK_Document::ProcOpenAction() { if (pOpenAction->GetType() == PDFOBJ_ARRAY) return TRUE; - if (pOpenAction->GetType() == PDFOBJ_DICTIONARY) { - CPDF_Dictionary* pDict = (CPDF_Dictionary*)pOpenAction; + if (CPDF_Dictionary* pDict = pOpenAction->AsDictionary()) { CPDF_Action action(pDict); if (m_pEnv->GetActionHander()) m_pEnv->GetActionHander()->DoAction_DocOpen(action, this); |