diff options
Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp')
| -rw-r--r-- | core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp | 110 |
1 files changed, 55 insertions, 55 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp index db0e8b19e1..7db97d25b3 100644 --- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp +++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp @@ -2678,19 +2678,15 @@ class CPDF_DataAvail final : public IPDF_DataAvail { FX_BOOL bSupportHintTable); ~CPDF_DataAvail() override; - int IsDocAvail(IFX_DownloadHints* pHints) override; - + // IPDF_DataAvail: + DocAvailStatus IsDocAvail(IFX_DownloadHints* pHints) override; void SetDocument(CPDF_Document* pDoc) override; - int IsPageAvail(int iPage, IFX_DownloadHints* pHints) override; - - int IsFormAvail(IFX_DownloadHints* pHints) override; - - int IsLinearizedPDF() override; - + DocFormStatus IsFormAvail(IFX_DownloadHints* pHints) override; + DocLinearizationStatus IsLinearizedPDF() override; FX_BOOL IsLinearized() override { return m_bLinearized; } - void GetLinearizedMainXRefInfo(FX_FILESIZE* pPos, FX_DWORD* pSize) override; + int GetPageCount() const; CPDF_Dictionary* GetPage(int index); @@ -3080,20 +3076,23 @@ FX_BOOL CPDF_DataAvail::IsObjectsAvail(CFX_PtrArray& obj_array, obj_array.Append(new_obj_array); return IsObjectsAvail(obj_array, FALSE, pHints, ret_array); } -int CPDF_DataAvail::IsDocAvail(IFX_DownloadHints* pHints) { + +IPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsDocAvail( + IFX_DownloadHints* pHints) { if (!m_dwFileLen && m_pFileRead) { m_dwFileLen = (FX_DWORD)m_pFileRead->GetSize(); if (!m_dwFileLen) { - return PDF_DATA_ERROR; + return DataError; } } while (!m_bDocAvail) { if (!CheckDocStatus(pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } } - return PDF_DATA_AVAIL; + return DataAvailable; } + FX_BOOL CPDF_DataAvail::CheckAcroFormSubObject(IFX_DownloadHints* pHints) { if (!m_objs_array.GetSize()) { m_objs_array.RemoveAll(); @@ -3644,24 +3643,24 @@ CPDF_Object* CPDF_DataAvail::ParseIndirectObjectAt( m_syntaxParser.RestorePos(SavedPos); return pObj; } -int CPDF_DataAvail::IsLinearizedPDF() { +IPDF_DataAvail::DocLinearizationStatus CPDF_DataAvail::IsLinearizedPDF() { FX_DWORD req_size = 1024; if (!m_pFileAvail->IsDataAvail(0, req_size)) { - return PDF_LINEARIZATION_UNKNOWN; + return LinearizationUnknown; } if (!m_pFileRead) { - return PDF_NOT_LINEARIZED; + return NotLinearized; } FX_FILESIZE dwSize = m_pFileRead->GetSize(); if (dwSize < (FX_FILESIZE)req_size) { - return PDF_LINEARIZATION_UNKNOWN; + return LinearizationUnknown; } uint8_t buffer[1024]; m_pFileRead->ReadBlock(buffer, 0, req_size); if (IsLinearizedFile(buffer, req_size)) { - return PDF_LINEARIZED; + return Linearized; } - return PDF_NOT_LINEARIZED; + return NotLinearized; } FX_BOOL CPDF_DataAvail::IsLinearizedFile(uint8_t* pData, FX_DWORD dwLen) { ScopedFileStream file(FX_CreateMemoryStream(pData, (size_t)dwLen, FALSE)); @@ -4278,33 +4277,33 @@ FX_BOOL CPDF_DataAvail::LoadPages(IFX_DownloadHints* pHints) { } int CPDF_DataAvail::CheckLinearizedData(IFX_DownloadHints* pHints) { if (m_bLinearedDataOK) { - return PDF_DATA_AVAIL; + return DataAvailable; } if (!m_bMainXRefLoadTried) { FX_SAFE_DWORD data_size = m_dwFileLen; data_size -= m_dwLastXRefOffset; if (!data_size.IsValid()) { - return PDF_DATA_ERROR; + return DataError; } if (!m_pFileAvail->IsDataAvail(m_dwLastXRefOffset, data_size.ValueOrDie())) { pHints->AddSegment(m_dwLastXRefOffset, data_size.ValueOrDie()); - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } FX_DWORD dwRet = (m_pDocument->GetParser())->LoadLinearizedMainXRefTable(); m_bMainXRefLoadTried = TRUE; if (dwRet != PDFPARSE_ERROR_SUCCESS) { - return PDF_DATA_ERROR; + return DataError; } if (!PreparePageItem()) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } m_bMainXRefLoadedOK = TRUE; m_bLinearedDataOK = TRUE; } - return m_bLinearedDataOK ? PDF_DATA_AVAIL : PDF_DATA_NOTAVAIL; + return m_bLinearedDataOK ? DataAvailable : DataNotAvailable; } FX_BOOL CPDF_DataAvail::CheckPageAnnots(int32_t iPage, IFX_DownloadHints* pHints) { @@ -4372,7 +4371,7 @@ FX_BOOL CPDF_DataAvail::HaveResourceAncestor(CPDF_Dictionary* pDict) { } int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) { if (!m_pDocument) { - return PDF_DATA_ERROR; + return DataError; } if (IsFirstCheck(iPage)) { m_bCurPageDictLoadOK = FALSE; @@ -4383,52 +4382,52 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) { m_objnum_array.RemoveAll(); } if (m_pagesLoadState.find(iPage) != m_pagesLoadState.end()) { - return PDF_DATA_AVAIL; + return DataAvailable; } if (m_bLinearized) { if ((FX_DWORD)iPage == m_dwFirstPageNo) { m_pagesLoadState.insert(iPage); - return PDF_DATA_AVAIL; + return DataAvailable; } int32_t nResult = CheckLinearizedData(pHints); - if (nResult != PDF_DATA_AVAIL) { + if (nResult != DataAvailable) { return nResult; } if (m_pHintTables) { nResult = m_pHintTables->CheckPage(iPage, pHints); - if (nResult != PDF_DATA_AVAIL) + if (nResult != DataAvailable) return nResult; m_pagesLoadState.insert(iPage); - return PDF_DATA_AVAIL; + return DataAvailable; } if (m_bMainXRefLoadedOK) { if (m_bTotalLoadPageTree) { if (!LoadPages(pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } } else { if (!m_bCurPageDictLoadOK && !CheckPage(iPage, pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } } } else { if (!LoadAllFile(pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } ((CPDF_Parser*)m_pDocument->GetParser())->RebuildCrossRef(); ResetFirstCheck(iPage); - return PDF_DATA_AVAIL; + return DataAvailable; } } else { if (!m_bTotalLoadPageTree) { if (!m_bCurPageDictLoadOK && !CheckPage(iPage, pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } } } if (m_bHaveAcroForm && !m_bAcroFormLoad) { if (!CheckAcroFormSubObject(pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } m_bAcroFormLoad = TRUE; } @@ -4439,7 +4438,7 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) { m_pPageDict = m_pDocument->GetPage(iPage); if (!m_pPageDict) { ResetFirstCheck(iPage); - return PDF_DATA_AVAIL; + return DataAvailable; } CFX_PtrArray obj_array; obj_array.Add(m_pPageDict); @@ -4459,14 +4458,14 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) { m_bPageLoadedOK = TRUE; } else { m_objs_array.Append(new_objs_array); - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } } } if (m_bPageLoadedOK) { if (!m_bAnnotsLoad) { if (!CheckPageAnnots(iPage, pHints)) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } m_bAnnotsLoad = TRUE; } @@ -4482,7 +4481,7 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) { if (m_bNeedDownLoadResource) { FX_BOOL bRet = CheckResources(pHints); if (!bRet) { - return PDF_DATA_NOTAVAIL; + return DataNotAvailable; } m_bNeedDownLoadResource = FALSE; } @@ -4491,7 +4490,7 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) { m_bCurPageDictLoadOK = FALSE; ResetFirstCheck(iPage); m_pagesLoadState.insert(iPage); - return PDF_DATA_AVAIL; + return DataAvailable; } FX_BOOL CPDF_DataAvail::CheckResources(IFX_DownloadHints* pHints) { if (!m_objs_array.GetSize()) { @@ -4557,21 +4556,22 @@ CPDF_Dictionary* CPDF_DataAvail::GetPage(int index) { } return m_pDocument->GetPage(index); } -int CPDF_DataAvail::IsFormAvail(IFX_DownloadHints* pHints) { +IPDF_DataAvail::DocFormStatus CPDF_DataAvail::IsFormAvail( + IFX_DownloadHints* pHints) { if (!m_pDocument) { - return PDF_FORM_AVAIL; + return FormAvailable; } if (!m_bLinearizedFormParamLoad) { CPDF_Dictionary* pRoot = m_pDocument->GetRoot(); if (!pRoot) { - return PDF_FORM_AVAIL; + return FormAvailable; } CPDF_Object* pAcroForm = pRoot->GetElement(FX_BSTRC("AcroForm")); if (!pAcroForm) { - return PDF_FORM_NOTEXIST; + return FormNotExist; } if (!CheckLinearizedData(pHints)) { - return PDF_FORM_NOTAVAIL; + return FormNotAvailable; } if (!m_objs_array.GetSize()) { m_objs_array.Add(pAcroForm->GetDict()); @@ -4583,9 +4583,9 @@ int CPDF_DataAvail::IsFormAvail(IFX_DownloadHints* pHints) { m_objs_array.RemoveAll(); if (!bRet) { m_objs_array.Append(new_objs_array); - return PDF_FORM_NOTAVAIL; + return FormNotAvailable; } - return PDF_FORM_AVAIL; + return FormAvailable; } void CPDF_SortObjNumArray::AddObjNum(FX_DWORD dwObjNum) { int32_t iNext = 0; @@ -4869,17 +4869,17 @@ FX_BOOL CPDF_HintTables::GetPagePos(int index, } int32_t CPDF_HintTables::CheckPage(int index, IFX_DownloadHints* pHints) { if (!m_pLinearizedDict || !pHints) - return PDF_DATA_ERROR; + return IPDF_DataAvail::DataError; CPDF_Object* pFirstAvailPage = m_pLinearizedDict->GetElementValue(FX_BSTRC("P")); int nFirstAvailPage = pFirstAvailPage ? pFirstAvailPage->GetInteger() : 0; if (index == nFirstAvailPage) - return PDF_DATA_AVAIL; + return IPDF_DataAvail::DataAvailable; FX_DWORD dwLength = GetItemLength(index, m_szPageOffsetArray); if (!dwLength || !m_pDataAvail->IsDataAvail(m_szPageOffsetArray[index], dwLength, pHints)) { - return PDF_DATA_NOTAVAIL; + return IPDF_DataAvail::DataNotAvailable; } // Download data of shared objects in the page. FX_DWORD offset = 0; @@ -4890,7 +4890,7 @@ int32_t CPDF_HintTables::CheckPage(int index, IFX_DownloadHints* pHints) { m_pLinearizedDict->GetElementValue(FX_BSTRC("O")); int nFirstPageObjNum = pFirstPageObj ? pFirstPageObj->GetInteger() : -1; if (nFirstPageObjNum < 0) - return FALSE; + return FALSE; // TODO(thestig): Fix this and the return type. FX_DWORD dwIndex = 0; FX_DWORD dwObjNum = 0; for (int j = 0; j < m_dwNSharedObjsArray[index]; ++j) { @@ -4904,10 +4904,10 @@ int32_t CPDF_HintTables::CheckPage(int index, IFX_DownloadHints* pHints) { if (!dwLength || !m_pDataAvail->IsDataAvail(m_szSharedObjOffsetArray[dwIndex], dwLength, pHints)) { - return PDF_DATA_NOTAVAIL; + return IPDF_DataAvail::DataNotAvailable; } } - return PDF_DATA_AVAIL; + return IPDF_DataAvail::DataAvailable; } FX_BOOL CPDF_HintTables::LoadHintStream(CPDF_Stream* pHintStream) { if (!pHintStream || !m_pLinearizedDict) |