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Unified Diff: core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp

Issue 1243953004: Re-land else-after-returns (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 5 years, 5 months ago
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Index: core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
diff --git a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
index f7174f7a7279312724109c2fb6824fd3cd090041..854be75ad440041ed9fc5778e1755c0175ef67ea 100644
--- a/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
+++ b/core/src/fpdfapi/fpdf_parser/fpdf_parser_parser.cpp
@@ -1993,21 +1993,16 @@ CFX_ByteString CPDF_SyntaxParser::ReadHexString()
void CPDF_SyntaxParser::ToNextLine()
{
uint8_t ch;
- while (1) {
- if (!GetNextChar(ch)) {
- return;
- }
+ while (GetNextChar(ch)) {
if (ch == '\n') {
- return;
+ break;
}
if (ch == '\r') {
GetNextChar(ch);
- if (ch == '\n') {
- return;
- } else {
- m_Pos --;
- return;
+ if (ch != '\n') {
+ --m_Pos;
}
+ break;
}
}
}
@@ -2079,20 +2074,13 @@ CPDF_Object* CPDF_SyntaxParser::GetObject(CPDF_IndirectObjects* pObjList, FX_DWO
return (CPDF_Object*)PDFOBJ_REFERENCE;
}
return new CPDF_Reference(pObjList, objnum);
- } else {
- m_Pos = SavedPos;
- if (bTypeOnly) {
- return (CPDF_Object*)PDFOBJ_NUMBER;
- }
- return CPDF_Number::Create(word);
}
- } else {
- m_Pos = SavedPos;
- if (bTypeOnly) {
- return (CPDF_Object*)PDFOBJ_NUMBER;
- }
- return CPDF_Number::Create(word);
}
+ m_Pos = SavedPos;
+ if (bTypeOnly) {
+ return (CPDF_Object*)PDFOBJ_NUMBER;
+ }
+ return CPDF_Number::Create(word);
}
if (word == FX_BSTRC("true") || word == FX_BSTRC("false")) {
if (bTypeOnly) {
@@ -2252,25 +2240,18 @@ CPDF_Object* CPDF_SyntaxParser::GetObjectByStrict(CPDF_IndirectObjects* pObjList
if (bIsNumber) {
CFX_ByteString nextword2 = GetNextWord(bIsNumber);
if (nextword2 == FX_BSTRC("R")) {
- FX_DWORD objnum = FXSYS_atoi(word);
if (bTypeOnly) {
return (CPDF_Object*)PDFOBJ_REFERENCE;
}
+ FX_DWORD objnum = FXSYS_atoi(word);
return new CPDF_Reference(pObjList, objnum);
- } else {
- m_Pos = SavedPos;
- if (bTypeOnly) {
- return (CPDF_Object*)PDFOBJ_NUMBER;
- }
- return CPDF_Number::Create(word);
}
- } else {
- m_Pos = SavedPos;
- if (bTypeOnly) {
- return (CPDF_Object*)PDFOBJ_NUMBER;
- }
- return CPDF_Number::Create(word);
}
+ m_Pos = SavedPos;
+ if (bTypeOnly) {
+ return (CPDF_Object*)PDFOBJ_NUMBER;
+ }
+ return CPDF_Number::Create(word);
}
if (word == FX_BSTRC("true") || word == FX_BSTRC("false")) {
if (bTypeOnly) {
@@ -3140,21 +3121,20 @@ FX_BOOL CPDF_DataAvail::CheckAcroFormSubObject(IFX_DownloadHints* pHints)
m_objs_array.RemoveAll();
}
return bRet;
- } else {
- CFX_PtrArray 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) {
- ((CPDF_Object *)m_arrayAcroforms.GetAt(i))->Release();
- }
- m_arrayAcroforms.RemoveAll();
- } else {
- m_objs_array.RemoveAll();
- m_objs_array.Append(new_objs_array);
+ }
+ CFX_PtrArray 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) {
+ ((CPDF_Object *)m_arrayAcroforms.GetAt(i))->Release();
}
- return bRet;
+ m_arrayAcroforms.RemoveAll();
+ } else {
+ m_objs_array.RemoveAll();
+ m_objs_array.Append(new_objs_array);
}
+ return bRet;
}
FX_BOOL CPDF_DataAvail::CheckAcroForm(IFX_DownloadHints* pHints)
{
@@ -3208,16 +3188,14 @@ FX_BOOL CPDF_DataAvail::CheckDocStatus(IFX_DownloadHints *pHints)
case PDF_DATAAVAIL_PAGETREE:
if (m_bTotalLoadPageTree) {
return CheckPages(pHints);
- } else {
- return LoadDocPages(pHints);
}
+ return LoadDocPages(pHints);
case PDF_DATAAVAIL_PAGE:
if (m_bTotalLoadPageTree) {
return CheckPage(pHints);
- } else {
- m_docStatus = PDF_DATAAVAIL_PAGE_LATERLOAD;
- return TRUE;
}
+ m_docStatus = PDF_DATAAVAIL_PAGE_LATERLOAD;
+ return TRUE;
case PDF_DATAAVAIL_ERROR:
return LoadAllFile(pHints);
case PDF_DATAAVAIL_PAGE_LATERLOAD:
@@ -3761,10 +3739,9 @@ FX_BOOL CPDF_DataAvail::CheckEnd(IFX_DownloadHints* pHints)
SetStartOffset(m_dwXRefOffset);
m_docStatus = PDF_DATAAVAIL_CROSSREF;
return TRUE;
- } else {
- m_docStatus = PDF_DATAAVAIL_LOADALLFILE;
- return TRUE;
}
+ m_docStatus = PDF_DATAAVAIL_LOADALLFILE;
+ return TRUE;
}
pHints->AddSegment(req_pos, dwSize);
return FALSE;
@@ -3799,9 +3776,6 @@ int32_t CPDF_DataAvail::CheckCrossRefStream(IFX_DownloadHints* pHints, FX_FILESI
xref_offset = pObj->GetDict()->GetInteger(FX_BSTRC("Prev"));
pObj->Release();
return 1;
- } else {
- pObj->Release();
- return -1;
}
}
pObj->Release();
@@ -3955,7 +3929,8 @@ FX_BOOL CPDF_DataAvail::CheckAllCrossRefStream(IFX_DownloadHints *pHints)
m_Pos = xref_offset;
}
return TRUE;
- } else if (nRet == -1) {
+ }
+ if (nRet == -1) {
m_docStatus = PDF_DATAAVAIL_ERROR;
}
return FALSE;
@@ -4058,11 +4033,10 @@ FX_BOOL CPDF_DataAvail::CheckTrailer(IFX_DownloadHints* pHints)
}
}
return TRUE;
- } else {
- m_dwPrevXRefOffset = 0;
- m_docStatus = PDF_DATAAVAIL_TRAILER_APPEND;
- pTrailer->Release();
}
+ m_dwPrevXRefOffset = 0;
+ m_docStatus = PDF_DATAAVAIL_TRAILER_APPEND;
+ pTrailer->Release();
return TRUE;
}
pHints->AddSegment(m_Pos, iTrailerSize);
@@ -4295,9 +4269,8 @@ FX_BOOL CPDF_DataAvail::LoadDocPages(IFX_DownloadHints* pHints)
if (CheckPageCount(pHints)) {
m_docStatus = PDF_DATAAVAIL_PAGE;
return TRUE;
- } else {
- m_bTotalLoadPageTree = TRUE;
}
+ m_bTotalLoadPageTree = TRUE;
return FALSE;
}
FX_BOOL CPDF_DataAvail::LoadPages(IFX_DownloadHints* pHints)
@@ -4363,15 +4336,14 @@ FX_BOOL CPDF_DataAvail::CheckPageAnnots(int32_t iPage, IFX_DownloadHints* pHints
m_objs_array.RemoveAll();
}
return bRet;
- } else {
- CFX_PtrArray 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;
}
+ CFX_PtrArray 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;
}
FX_BOOL CPDF_DataAvail::CheckLinearizedFirstPage(int32_t iPage, IFX_DownloadHints* pHints)
{
@@ -4381,10 +4353,10 @@ FX_BOOL CPDF_DataAvail::CheckLinearizedFirstPage(int32_t iPage, IFX_DownloadHint
}
m_bAnnotsLoad = TRUE;
}
- if (m_bAnnotsLoad)
- if (!CheckLinearizedData(pHints)) {
+ if (m_bAnnotsLoad) {
+ if (!CheckLinearizedData(pHints))
return FALSE;
- }
+ }
m_bPageLoadedOK = FALSE;
return TRUE;
}
@@ -4539,15 +4511,14 @@ FX_BOOL CPDF_DataAvail::CheckResources(IFX_DownloadHints* pHints)
m_objs_array.RemoveAll();
}
return bRet;
- } else {
- CFX_PtrArray 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;
}
+ CFX_PtrArray 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;
}
void CPDF_DataAvail::GetLinearizedMainXRefInfo(FX_FILESIZE *pPos, FX_DWORD *pSize)
{
@@ -4604,16 +4575,15 @@ FX_BOOL CPDF_SortObjNumArray::Find(FX_DWORD dwObjNum)
}
FX_BOOL CPDF_SortObjNumArray::BinarySearch(FX_DWORD value, int32_t &iNext)
{
- int32_t iLen = m_number_array.GetSize();
int32_t iLow = 0;
- int32_t iHigh = iLen - 1;
- int32_t iMid = 0;
+ int32_t iHigh = m_number_array.GetSize() - 1;
while (iLow <= iHigh) {
- iMid = (iLow + iHigh) / 2;
+ int32_t iMid = (iLow + iHigh) / 2;
if (m_number_array.GetAt(iMid) == value) {
iNext = iMid;
return TRUE;
- } else if (m_number_array.GetAt(iMid) > value) {
+ }
+ if (m_number_array.GetAt(iMid) > value) {
iHigh = iMid - 1;
} else if (m_number_array.GetAt(iMid) < value) {
iLow = iMid + 1;
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