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Diffstat (limited to 'core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp')
-rw-r--r--core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp85
1 files changed, 45 insertions, 40 deletions
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index 777d14cf7e..641e1e18ff 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -2716,7 +2716,7 @@ class CPDF_DataAvail final : public IPDF_DataAvail {
// IPDF_DataAvail:
DocAvailStatus IsDocAvail(IFX_DownloadHints* pHints) override;
void SetDocument(CPDF_Document* pDoc) override;
- int IsPageAvail(int iPage, IFX_DownloadHints* pHints) override;
+ DocAvailStatus IsPageAvail(int iPage, IFX_DownloadHints* pHints) override;
DocFormStatus IsFormAvail(IFX_DownloadHints* pHints) override;
DocLinearizationStatus IsLinearizedPDF() override;
FX_BOOL IsLinearized() override { return m_bLinearized; }
@@ -2775,10 +2775,10 @@ class CPDF_DataAvail final : public IPDF_DataAvail {
FX_BOOL LoadPages(IFX_DownloadHints* pHints);
FX_BOOL LoadAllXref(IFX_DownloadHints* pHints);
FX_BOOL LoadAllFile(IFX_DownloadHints* pHints);
- int32_t CheckLinearizedData(IFX_DownloadHints* pHints);
+ DocAvailStatus CheckLinearizedData(IFX_DownloadHints* pHints);
FX_BOOL CheckPageAnnots(int iPage, IFX_DownloadHints* pHints);
- FX_BOOL CheckLinearizedFirstPage(int iPage, IFX_DownloadHints* pHints);
+ DocAvailStatus CheckLinearizedFirstPage(int iPage, IFX_DownloadHints* pHints);
FX_BOOL HaveResourceAncestor(CPDF_Dictionary* pDict);
FX_BOOL CheckPage(int32_t iPage, IFX_DownloadHints* pHints);
FX_BOOL LoadDocPages(IFX_DownloadHints* pHints);
@@ -3184,7 +3184,7 @@ FX_BOOL CPDF_DataAvail::CheckDocStatus(IFX_DownloadHints* pHints) {
return CheckTrailer(pHints);
case PDF_DATAAVAIL_TRAILER_APPEND:
return CheckTrailerAppend(pHints);
- case PDF_DATAAVAIL_LOADALLCRSOSSREF:
+ case PDF_DATAAVAIL_LOADALLCROSSREF:
return LoadAllXref(pHints);
case PDF_DATAAVAIL_LOADALLFILE:
return LoadAllFile(pHints);
@@ -3928,7 +3928,7 @@ FX_BOOL CPDF_DataAvail::CheckAllCrossRefStream(IFX_DownloadHints* pHints) {
int32_t nRet = CheckCrossRefStream(pHints, xref_offset);
if (nRet == 1) {
if (!xref_offset) {
- m_docStatus = PDF_DATAAVAIL_LOADALLCRSOSSREF;
+ m_docStatus = PDF_DATAAVAIL_LOADALLCROSSREF;
} else {
m_dwCurrentXRefSteam = xref_offset;
m_Pos = xref_offset;
@@ -3984,7 +3984,7 @@ FX_BOOL CPDF_DataAvail::CheckTrailerAppend(IFX_DownloadHints* pHints) {
SetStartOffset(m_dwPrevXRefOffset);
m_docStatus = PDF_DATAAVAIL_CROSSREF;
} else {
- m_docStatus = PDF_DATAAVAIL_LOADALLCRSOSSREF;
+ m_docStatus = PDF_DATAAVAIL_LOADALLCROSSREF;
}
return TRUE;
}
@@ -4294,7 +4294,8 @@ FX_BOOL CPDF_DataAvail::LoadPages(IFX_DownloadHints* pHints) {
m_pDocument->LoadPages();
return FALSE;
}
-int CPDF_DataAvail::CheckLinearizedData(IFX_DownloadHints* pHints) {
+IPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedData(
+ IFX_DownloadHints* pHints) {
if (m_bLinearedDataOK) {
return DataAvailable;
}
@@ -4353,20 +4354,20 @@ FX_BOOL CPDF_DataAvail::CheckPageAnnots(int32_t iPage,
}
return bRet;
}
-FX_BOOL CPDF_DataAvail::CheckLinearizedFirstPage(int32_t iPage,
- IFX_DownloadHints* pHints) {
+IPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedFirstPage(
+ int32_t iPage,
+ IFX_DownloadHints* pHints) {
if (!m_bAnnotsLoad) {
if (!CheckPageAnnots(iPage, pHints)) {
- return FALSE;
+ return DataNotAvailable;
}
m_bAnnotsLoad = TRUE;
}
- if (m_bAnnotsLoad) {
- if (!CheckLinearizedData(pHints))
- return FALSE;
- }
- m_bPageLoadedOK = FALSE;
- return TRUE;
+
+ DocAvailStatus nRet = CheckLinearizedData(pHints);
+ if (nRet == DataAvailable)
+ m_bPageLoadedOK = FALSE;
+ return nRet;
}
FX_BOOL CPDF_DataAvail::HaveResourceAncestor(CPDF_Dictionary* pDict) {
CFX_AutoRestorer<int> restorer(&s_CurrentDataAvailRecursionDepth);
@@ -4388,7 +4389,9 @@ FX_BOOL CPDF_DataAvail::HaveResourceAncestor(CPDF_Dictionary* pDict) {
}
return HaveResourceAncestor(pParentDict);
}
-int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) {
+IPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
+ int32_t iPage,
+ IFX_DownloadHints* pHints) {
if (!m_pDocument) {
return DataError;
}
@@ -4405,12 +4408,12 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) {
if (m_bLinearized) {
if ((FX_DWORD)iPage == m_dwFirstPageNo) {
- if (!CheckLinearizedFirstPage(iPage, pHints))
- return DataNotAvailable;
- m_pagesLoadState.insert(iPage);
- return DataAvailable;
+ DocAvailStatus nRet = CheckLinearizedFirstPage(iPage, pHints);
+ if (nRet == DataAvailable)
+ m_pagesLoadState.insert(iPage);
+ return nRet;
}
- int32_t nResult = CheckLinearizedData(pHints);
+ DocAvailStatus nResult = CheckLinearizedData(pHints);
if (nResult != DataAvailable) {
return nResult;
}
@@ -4464,33 +4467,30 @@ int CPDF_DataAvail::IsPageAvail(int32_t iPage, IFX_DownloadHints* pHints) {
CFX_ArrayTemplate<CPDF_Object*> obj_array;
obj_array.Add(m_pPageDict);
FX_BOOL bRet = IsObjectsAvail(obj_array, TRUE, pHints, m_objs_array);
- if (bRet) {
- m_objs_array.RemoveAll();
- m_bPageLoadedOK = TRUE;
- } else {
- return bRet;
- }
+ if (!bRet)
+ return DataNotAvailable;
+
+ m_objs_array.RemoveAll();
} else {
CFX_ArrayTemplate<CPDF_Object*> new_objs_array;
FX_BOOL bRet =
IsObjectsAvail(m_objs_array, FALSE, pHints, new_objs_array);
m_objs_array.RemoveAll();
- if (bRet) {
- m_bPageLoadedOK = TRUE;
- } else {
+ if (!bRet) {
m_objs_array.Append(new_objs_array);
return DataNotAvailable;
}
}
+ m_bPageLoadedOK = TRUE;
}
- if (m_bPageLoadedOK) {
- if (!m_bAnnotsLoad) {
- if (!CheckPageAnnots(iPage, pHints)) {
- return DataNotAvailable;
- }
- m_bAnnotsLoad = TRUE;
+
+ if (!m_bAnnotsLoad) {
+ if (!CheckPageAnnots(iPage, pHints)) {
+ return DataNotAvailable;
}
+ m_bAnnotsLoad = TRUE;
}
+
if (m_pPageDict && !m_bNeedDownLoadResource) {
m_pPageResource = m_pPageDict->GetElement("Resources");
if (!m_pPageResource) {
@@ -4592,9 +4592,12 @@ IPDF_DataAvail::DocFormStatus CPDF_DataAvail::IsFormAvail(
if (!pAcroForm) {
return FormNotExist;
}
- if (!CheckLinearizedData(pHints)) {
+ DocAvailStatus nDocStatus = CheckLinearizedData(pHints);
+ if (nDocStatus == DataError)
+ return FormError;
+ if (nDocStatus == DataNotAvailable)
return FormNotAvailable;
- }
+
if (!m_objs_array.GetSize()) {
m_objs_array.Add(pAcroForm->GetDict());
}
@@ -4899,7 +4902,9 @@ FX_BOOL CPDF_HintTables::GetPagePos(int index,
}
return TRUE;
}
-int32_t CPDF_HintTables::CheckPage(int index, IFX_DownloadHints* pHints) {
+IPDF_DataAvail::DocAvailStatus CPDF_HintTables::CheckPage(
+ int index,
+ IFX_DownloadHints* pHints) {
if (!m_pLinearizedDict || !pHints)
return IPDF_DataAvail::DataError;
CPDF_Object* pFirstAvailPage = m_pLinearizedDict->GetElementValue("P");
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 01:01:18 +0000