Tidy fpdfsave.cpp

Remove CFX_PtrArray filelist.
Promote ScopedFileStream to .h file and use it.
Fix _CAPS names, bool returns, and put in anonymous namespace.
FX_CreateMemoryStream() can't return null, so remove checks.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1672153002 .

2 files changed, 22 insertions, 39 deletions

diff --git a/xfa/src/fxfa/src/app/xfa_ffdoc.cpp b/xfa/src/fxfa/src/app/xfa_ffdoc.cpp
index 87745616e0..513098c7a9 100644
--- a/xfa/src/fxfa/src/app/xfa_ffdoc.cpp
+++ b/xfa/src/fxfa/src/app/xfa_ffdoc.cpp
@@ -113,13 +113,6 @@ int32_t CXFA_FFDoc::DoLoad(IFX_Pause* pPause) {
     IFX_FileRead* pXFAReader = NULL;
     if (XFA_GetPDFContentsFromPDFXML(pPDFXML, pByteBuffer, iBufferSize)) {
       pXFAReader = FX_CreateMemoryStream(pByteBuffer, iBufferSize, TRUE);
-      if (!pXFAReader) {
-        if (pByteBuffer) {
-          FX_Free(pByteBuffer);
-          pByteBuffer = NULL;
-        }
-        return XFA_PARSESTATUS_SyntaxErr;
-      }
     } else {
       CFX_WideString wsHref;
       ((IFDE_XMLElement*)pPDFXML)->GetString(L"href", wsHref);
diff --git a/xfa/src/fxfa/src/parser/xfa_object_imp.cpp b/xfa/src/fxfa/src/parser/xfa_object_imp.cpp
index 10d5e24abf..278ad85324 100644
--- a/xfa/src/fxfa/src/parser/xfa_object_imp.cpp
+++ b/xfa/src/fxfa/src/parser/xfa_object_imp.cpp
@@ -1056,6 +1056,7 @@ void CXFA_Node::Script_NodeClass_LoadXML(CFXJSE_Arguments* pArguments) {
 }
 void CXFA_Node::Script_NodeClass_SaveFilteredXML(CFXJSE_Arguments* pArguments) {
 }
+
 void CXFA_Node::Script_NodeClass_SaveXML(CFXJSE_Arguments* pArguments) {
   int32_t iLength = pArguments->GetLength();
   if (iLength < 0 || iLength > 1) {
@@ -1065,20 +1066,15 @@ void CXFA_Node::Script_NodeClass_SaveXML(CFXJSE_Arguments* pArguments) {
   FX_BOOL bPrettyMode = FALSE;
   if (iLength == 1) {
     CFX_ByteString bsPretty = pArguments->GetUTF8String(0);
-    if (bsPretty.Equal("pretty")) {
-      bPrettyMode = TRUE;
-    } else {
+    if (!bsPretty.Equal("pretty")) {
       ThrowScriptErrorMessage(XFA_IDS_ARGUMENT_MISMATCH);
       return;
     }
+    bPrettyMode = TRUE;
   }
   CFX_ByteStringC bsXMLHeader = "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n";
   if (GetPacketID() == XFA_XDPPACKET_Form) {
     IFX_MemoryStream* pMemoryStream = FX_CreateMemoryStream(TRUE);
-    if (!pMemoryStream) {
-      FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(), bsXMLHeader);
-      return;
-    }
     IFX_Stream* pStream = IFX_Stream::CreateStream(
         (IFX_FileWrite*)pMemoryStream,
         FX_STREAMACCESS_Text | FX_STREAMACCESS_Write | FX_STREAMACCESS_Append);
@@ -1101,7 +1097,8 @@ void CXFA_Node::Script_NodeClass_SaveXML(CFXJSE_Arguments* pArguments) {
       pMemoryStream = NULL;
     }
     return;
-  } else if (GetPacketID() == XFA_XDPPACKET_Datasets) {
+  }
+  if (GetPacketID() == XFA_XDPPACKET_Datasets) {
     IFDE_XMLNode* pElement = this->GetXMLMappingNode();
     if (!pElement || pElement->GetType() != FDE_XMLNODE_Element) {
       FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(), bsXMLHeader);
@@ -1109,35 +1106,28 @@ void CXFA_Node::Script_NodeClass_SaveXML(CFXJSE_Arguments* pArguments) {
     }
     XFA_DataExporter_DealWithDataGroupNode(this);
     IFX_MemoryStream* pMemoryStream = FX_CreateMemoryStream(TRUE);
-    if (!pMemoryStream) {
-      FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(), bsXMLHeader);
-      return;
+    IFX_Stream* pStream = IFX_Stream::CreateStream(
+        (IFX_FileWrite*)pMemoryStream,
+        FX_STREAMACCESS_Text | FX_STREAMACCESS_Write | FX_STREAMACCESS_Append);
+    if (pStream) {
+      pStream->SetCodePage(FX_CODEPAGE_UTF8);
+      pStream->WriteData(bsXMLHeader.GetPtr(), bsXMLHeader.GetLength());
+      pElement->SaveXMLNode(pStream);
+      FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(),
+                                CFX_ByteStringC(pMemoryStream->GetBuffer(),
+                                                pMemoryStream->GetSize()));
+      pStream->Release();
+      pStream = NULL;
     }
     if (pMemoryStream) {
-      IFX_Stream* pStream = IFX_Stream::CreateStream(
-          (IFX_FileWrite*)pMemoryStream, FX_STREAMACCESS_Text |
-                                             FX_STREAMACCESS_Write |
-                                             FX_STREAMACCESS_Append);
-      if (pStream) {
-        pStream->SetCodePage(FX_CODEPAGE_UTF8);
-        pStream->WriteData(bsXMLHeader.GetPtr(), bsXMLHeader.GetLength());
-        pElement->SaveXMLNode(pStream);
-        FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(),
-                                  CFX_ByteStringC(pMemoryStream->GetBuffer(),
-                                                  pMemoryStream->GetSize()));
-        pStream->Release();
-        pStream = NULL;
-      }
-      if (pMemoryStream) {
-        pMemoryStream->Release();
-        pMemoryStream = NULL;
-      }
-      return;
+      pMemoryStream->Release();
+      pMemoryStream = NULL;
     }
-  } else {
-    FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(), "");
+    return;
   }
+  FXJSE_Value_SetUTF8String(pArguments->GetReturnValue(), "");
 }
+
 void CXFA_Node::Script_NodeClass_SetAttribute(CFXJSE_Arguments* pArguments) {
   int32_t iLength = pArguments->GetLength();
   if (iLength != 2) {