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path: root/core/fpdfapi/parser/cpdf_data_avail.cpp
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Diffstat (limited to 'core/fpdfapi/parser/cpdf_data_avail.cpp')
-rw-r--r--core/fpdfapi/parser/cpdf_data_avail.cpp207
1 files changed, 94 insertions, 113 deletions
diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp
index da7f6948a3..e23aa8ecfb 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_data_avail.cpp
@@ -80,6 +80,7 @@ CPDF_DataAvail::CPDF_DataAvail(FileAvail* pFileAvail,
m_bLinearedDataOK = FALSE;
m_bSupportHintTable = bSupportHintTable;
}
+
CPDF_DataAvail::~CPDF_DataAvail() {
m_pHintTables.reset();
if (m_pLinearized)
@@ -91,9 +92,8 @@ CPDF_DataAvail::~CPDF_DataAvail() {
if (m_pTrailer)
m_pTrailer->Release();
- int iSize = m_arrayAcroforms.GetSize();
- for (int i = 0; i < iSize; ++i)
- m_arrayAcroforms.GetAt(i)->Release();
+ for (CPDF_Object* pObject : m_arrayAcroforms)
+ pObject->Release();
}
void CPDF_DataAvail::SetDocument(CPDF_Document* pDoc) {
@@ -125,18 +125,17 @@ uint32_t CPDF_DataAvail::GetObjectSize(uint32_t objnum, FX_FILESIZE& offset) {
return *it - offset;
}
-FX_BOOL CPDF_DataAvail::IsObjectsAvail(
- CFX_ArrayTemplate<CPDF_Object*>& obj_array,
+FX_BOOL CPDF_DataAvail::AreObjectsAvailable(
+ std::vector<CPDF_Object*>& obj_array,
FX_BOOL bParsePage,
DownloadHints* pHints,
- CFX_ArrayTemplate<CPDF_Object*>& ret_array) {
- if (!obj_array.GetSize())
+ std::vector<CPDF_Object*>& ret_array) {
+ if (obj_array.empty())
return TRUE;
uint32_t count = 0;
- CFX_ArrayTemplate<CPDF_Object*> new_obj_array;
- for (int i = 0; i < obj_array.GetSize(); i++) {
- CPDF_Object* pObj = obj_array[i];
+ std::vector<CPDF_Object*> new_obj_array;
+ for (CPDF_Object* pObj : obj_array) {
if (!pObj)
continue;
@@ -145,7 +144,7 @@ FX_BOOL CPDF_DataAvail::IsObjectsAvail(
case CPDF_Object::ARRAY: {
CPDF_Array* pArray = pObj->AsArray();
for (size_t k = 0; k < pArray->GetCount(); ++k)
- new_obj_array.Add(pArray->GetObjectAt(k));
+ new_obj_array.push_back(pArray->GetObjectAt(k));
} break;
case CPDF_Object::STREAM:
pObj = pObj->GetDict();
@@ -158,7 +157,7 @@ FX_BOOL CPDF_DataAvail::IsObjectsAvail(
const CFX_ByteString& key = it.first;
CPDF_Object* value = it.second;
if (key != "Parent")
- new_obj_array.Add(value);
+ new_obj_array.push_back(value);
}
} break;
case CPDF_Object::REFERENCE: {
@@ -171,36 +170,31 @@ FX_BOOL CPDF_DataAvail::IsObjectsAvail(
break;
if (!IsDataAvail(offset, size, pHints)) {
- ret_array.Add(pObj);
+ ret_array.push_back(pObj);
count++;
} else if (!pdfium::ContainsKey(m_ObjectSet, dwNum)) {
m_ObjectSet.insert(dwNum);
CPDF_Object* pReferred =
m_pDocument->GetOrParseIndirectObject(pRef->GetRefObjNum());
if (pReferred)
- new_obj_array.Add(pReferred);
+ new_obj_array.push_back(pReferred);
}
} break;
}
}
if (count > 0) {
- for (int i = 0; i < new_obj_array.GetSize(); ++i) {
- CPDF_Object* pObj = new_obj_array[i];
- if (CPDF_Reference* pRef = pObj->AsReference()) {
- uint32_t dwNum = pRef->GetRefObjNum();
- if (!pdfium::ContainsKey(m_ObjectSet, dwNum))
- ret_array.Add(pObj);
- } else {
- ret_array.Add(pObj);
- }
+ for (CPDF_Object* pObj : new_obj_array) {
+ CPDF_Reference* pRef = pObj->AsReference();
+ if (pRef && pdfium::ContainsKey(m_ObjectSet, pRef->GetRefObjNum()))
+ continue;
+ ret_array.push_back(pObj);
}
return FALSE;
}
- obj_array.RemoveAll();
- obj_array.Append(new_obj_array);
- return IsObjectsAvail(obj_array, FALSE, pHints, ret_array);
+ obj_array = new_obj_array;
+ return AreObjectsAvailable(obj_array, FALSE, pHints, ret_array);
}
CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsDocAvail(
@@ -220,30 +214,27 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsDocAvail(
}
FX_BOOL CPDF_DataAvail::CheckAcroFormSubObject(DownloadHints* pHints) {
- if (!m_objs_array.GetSize()) {
- m_objs_array.RemoveAll();
+ if (m_objs_array.empty()) {
m_ObjectSet.clear();
- CFX_ArrayTemplate<CPDF_Object*> obj_array;
- obj_array.Append(m_arrayAcroforms);
- FX_BOOL bRet = IsObjectsAvail(obj_array, FALSE, pHints, m_objs_array);
- if (bRet)
- m_objs_array.RemoveAll();
- return bRet;
- }
-
- CFX_ArrayTemplate<CPDF_Object*> new_objs_array;
- FX_BOOL bRet = IsObjectsAvail(m_objs_array, FALSE, pHints, new_objs_array);
- if (bRet) {
- int32_t iSize = m_arrayAcroforms.GetSize();
- for (int32_t i = 0; i < iSize; ++i) {
- m_arrayAcroforms.GetAt(i)->Release();
- }
- m_arrayAcroforms.RemoveAll();
- } else {
- m_objs_array.RemoveAll();
- m_objs_array.Append(new_objs_array);
+ std::vector<CPDF_Object*> obj_array = m_arrayAcroforms;
+ if (!AreObjectsAvailable(obj_array, FALSE, pHints, m_objs_array))
+ return FALSE;
+
+ m_objs_array.clear();
+ return TRUE;
+ }
+
+ std::vector<CPDF_Object*> new_objs_array;
+ if (!AreObjectsAvailable(m_objs_array, FALSE, pHints, new_objs_array)) {
+ m_objs_array = new_objs_array;
+ return FALSE;
}
- return bRet;
+
+ for (CPDF_Object* pObject : m_arrayAcroforms)
+ pObject->Release();
+
+ m_arrayAcroforms.clear();
+ return TRUE;
}
FX_BOOL CPDF_DataAvail::CheckAcroForm(DownloadHints* pHints) {
@@ -262,7 +253,7 @@ FX_BOOL CPDF_DataAvail::CheckAcroForm(DownloadHints* pHints) {
return FALSE;
}
- m_arrayAcroforms.Add(m_pAcroForm);
+ m_arrayAcroforms.push_back(m_pAcroForm);
m_docStatus = PDF_DATAAVAIL_PAGETREE;
return TRUE;
}
@@ -515,7 +506,7 @@ FX_BOOL CPDF_DataAvail::CheckPage(DownloadHints* pHints) {
CFX_ByteString type = pObj->GetDict()->GetStringFor("Type");
if (type == "Pages") {
- m_PagesArray.Add(pObj);
+ m_PagesArray.push_back(pObj);
continue;
}
pObj->Release();
@@ -527,27 +518,25 @@ FX_BOOL CPDF_DataAvail::CheckPage(DownloadHints* pHints) {
return FALSE;
}
- uint32_t iPages = m_PagesArray.GetSize();
+ uint32_t iPages = m_PagesArray.size();
for (uint32_t i = 0; i < iPages; i++) {
- CPDF_Object* pPages = m_PagesArray.GetAt(i);
+ CPDF_Object* pPages = m_PagesArray[i];
if (!pPages)
continue;
if (!GetPageKids(m_pCurrentParser, pPages)) {
pPages->Release();
- while (++i < iPages) {
- pPages = m_PagesArray.GetAt(i);
- pPages->Release();
- }
- m_PagesArray.RemoveAll();
+ while (++i < iPages)
+ m_PagesArray[i]->Release();
+ m_PagesArray.clear();
m_docStatus = PDF_DATAAVAIL_ERROR;
return FALSE;
}
pPages->Release();
}
- m_PagesArray.RemoveAll();
+ m_PagesArray.clear();
if (!m_PageObjList.GetSize())
m_docStatus = PDF_DATAAVAIL_DONE;
return TRUE;
@@ -1535,8 +1524,7 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedData(
FX_BOOL CPDF_DataAvail::CheckPageAnnots(uint32_t dwPage,
DownloadHints* pHints) {
- if (!m_objs_array.GetSize()) {
- m_objs_array.RemoveAll();
+ if (m_objs_array.empty()) {
m_ObjectSet.clear();
FX_SAFE_INT32 safePage = pdfium::base::checked_cast<int32_t>(dwPage);
@@ -1548,23 +1536,22 @@ FX_BOOL CPDF_DataAvail::CheckPageAnnots(uint32_t dwPage,
if (!pAnnots)
return TRUE;
- CFX_ArrayTemplate<CPDF_Object*> obj_array;
- obj_array.Add(pAnnots);
-
- FX_BOOL bRet = IsObjectsAvail(obj_array, FALSE, pHints, m_objs_array);
- if (bRet)
- m_objs_array.RemoveAll();
+ std::vector<CPDF_Object*> obj_array;
+ obj_array.push_back(pAnnots);
+ if (!AreObjectsAvailable(obj_array, FALSE, pHints, m_objs_array))
+ return FALSE;
- return bRet;
+ m_objs_array.clear();
+ return TRUE;
}
- 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_objs_array.Append(new_objs_array);
-
- return bRet;
+ std::vector<CPDF_Object*> new_objs_array;
+ if (!AreObjectsAvailable(m_objs_array, FALSE, pHints, new_objs_array)) {
+ m_objs_array = new_objs_array;
+ return FALSE;
+ }
+ m_objs_array.clear();
+ return TRUE;
}
CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::CheckLinearizedFirstPage(
@@ -1615,7 +1602,7 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
m_bPageLoadedOK = FALSE;
m_bAnnotsLoad = FALSE;
m_bNeedDownLoadResource = FALSE;
- m_objs_array.RemoveAll();
+ m_objs_array.clear();
m_ObjectSet.clear();
}
@@ -1671,8 +1658,7 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
}
if (!m_bPageLoadedOK) {
- if (!m_objs_array.GetSize()) {
- m_objs_array.RemoveAll();
+ if (m_objs_array.empty()) {
m_ObjectSet.clear();
FX_SAFE_INT32 safePage = pdfium::base::checked_cast<int32_t>(dwPage);
@@ -1682,24 +1668,20 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
return DataAvailable;
}
- CFX_ArrayTemplate<CPDF_Object*> obj_array;
- obj_array.Add(m_pPageDict);
- FX_BOOL bRet = IsObjectsAvail(obj_array, TRUE, pHints, m_objs_array);
- if (!bRet)
+ std::vector<CPDF_Object*> obj_array;
+ obj_array.push_back(m_pPageDict);
+ if (!AreObjectsAvailable(obj_array, TRUE, pHints, m_objs_array))
return DataNotAvailable;
- m_objs_array.RemoveAll();
+ m_objs_array.clear();
} 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_objs_array.Append(new_objs_array);
+ std::vector<CPDF_Object*> new_objs_array;
+ if (!AreObjectsAvailable(m_objs_array, FALSE, pHints, new_objs_array)) {
+ m_objs_array = new_objs_array;
return DataNotAvailable;
}
}
+ m_objs_array.clear();
m_bPageLoadedOK = TRUE;
}
@@ -1731,23 +1713,22 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
}
FX_BOOL CPDF_DataAvail::CheckResources(DownloadHints* pHints) {
- if (!m_objs_array.GetSize()) {
- m_objs_array.RemoveAll();
- CFX_ArrayTemplate<CPDF_Object*> obj_array;
- obj_array.Add(m_pPageResource);
-
- FX_BOOL bRet = IsObjectsAvail(obj_array, TRUE, pHints, m_objs_array);
- if (bRet)
- m_objs_array.RemoveAll();
- return bRet;
- }
-
- 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_objs_array.Append(new_objs_array);
- return bRet;
+ if (m_objs_array.empty()) {
+ std::vector<CPDF_Object*> obj_array;
+ obj_array.push_back(m_pPageResource);
+ if (!AreObjectsAvailable(obj_array, TRUE, pHints, m_objs_array))
+ return FALSE;
+
+ m_objs_array.clear();
+ return TRUE;
+ }
+ std::vector<CPDF_Object*> new_objs_array;
+ if (!AreObjectsAvailable(m_objs_array, FALSE, pHints, new_objs_array)) {
+ m_objs_array = new_objs_array;
+ return FALSE;
+ }
+ m_objs_array.clear();
+ return TRUE;
}
void CPDF_DataAvail::GetLinearizedMainXRefInfo(FX_FILESIZE* pPos,
@@ -1820,18 +1801,18 @@ CPDF_DataAvail::DocFormStatus CPDF_DataAvail::IsFormAvail(
if (nDocStatus == DataNotAvailable)
return FormNotAvailable;
- if (!m_objs_array.GetSize())
- m_objs_array.Add(pAcroForm->GetDict());
+ if (m_objs_array.empty())
+ m_objs_array.push_back(pAcroForm->GetDict());
m_bLinearizedFormParamLoad = TRUE;
}
- 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_objs_array.Append(new_objs_array);
+ std::vector<CPDF_Object*> new_objs_array;
+ if (!AreObjectsAvailable(m_objs_array, FALSE, pHints, new_objs_array)) {
+ m_objs_array = new_objs_array;
return FormNotAvailable;
}
+
+ m_objs_array.clear();
return FormAvailable;
}
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