Use string pools in some dictionaries

core/fpdfdoc/cpdf_interform.cpp

 // Copyright 2016 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include <vector>
 
 #include "core/fpdfapi/fpdf_font/include/cpdf_font.h"
 #include "core/fpdfapi/fpdf_font/include/cpdf_fontencoding.h"
@@ skipping 40 matching lines @@
 void AddFont(CPDF_Dictionary*& pFormDict,
              CPDF_Document* pDocument,
              const CPDF_Font* pFont,
              CFX_ByteString& csNameTag);
 
 void InitDict(CPDF_Dictionary*& pFormDict, CPDF_Document* pDocument) {
   if (!pDocument)
     return;
 
   if (!pFormDict) {
-    pFormDict = new CPDF_Dictionary;
+    pFormDict = new CPDF_Dictionary(pDocument);
     uint32_t dwObjNum = pDocument->AddIndirectObject(pFormDict);
     CPDF_Dictionary* pRoot = pDocument->GetRoot();
     pRoot->SetReferenceFor("AcroForm", pDocument, dwObjNum);
   }
 
   CFX_ByteString csDA;
   if (!pFormDict->KeyExist("DR")) {
     CFX_ByteString csBaseName;
     CFX_ByteString csDefault;
     uint8_t charSet = CPDF_InterForm::GetNativeCharSet();
@@ skipping 313 matching lines @@
   CFX_ByteString csTag;
   if (FindFont(pFormDict, pFont, csTag)) {
     csNameTag = csTag;
     return;
   }
   if (!pFormDict)
     InitDict(pFormDict, pDocument);
 
   CPDF_Dictionary* pDR = pFormDict->GetDictFor("DR");
   if (!pDR) {
-    pDR = new CPDF_Dictionary;
+    pDR = new CPDF_Dictionary(pDocument);
     pFormDict->SetFor("DR", pDR);
   }
   CPDF_Dictionary* pFonts = pDR->GetDictFor("Font");
   if (!pFonts) {
-    pFonts = new CPDF_Dictionary;
+    pFonts = new CPDF_Dictionary(pDocument);
     pDR->SetFor("Font", pFonts);
   }
   if (csNameTag.IsEmpty())
     csNameTag = pFont->GetBaseFont();
 
   csNameTag.Remove(' ');
   csNameTag = CPDF_InterForm::GenerateNewResourceName(pDR, "Font", 4,
                                                       csNameTag.c_str());
   pFonts->SetReferenceFor(csNameTag, pDocument, pFont->GetFontDict());
 }
@@ skipping 1078 matching lines @@
   if (!pDoc)
     return nullptr;
 
   CPDF_Dictionary* pMainDict = pDoc->GetRoot()->GetDictFor("FDF");
   if (!pdf_path.IsEmpty()) {
     if (bSimpleFileSpec) {
       CFX_WideString wsFilePath = CPDF_FileSpec::EncodeFileName(pdf_path);
       pMainDict->SetStringFor("F", CFX_ByteString::FromUnicode(wsFilePath));
       pMainDict->SetStringFor("UF", PDF_EncodeText(wsFilePath));
     } else {
-      CPDF_FileSpec filespec;
+      CPDF_FileSpec filespec(pDoc);
       filespec.SetFileName(pdf_path);
       pMainDict->SetFor("F", filespec.GetObj());
     }
   }
 
   CPDF_Array* pFields = new CPDF_Array;
   pMainDict->SetFor("Fields", pFields);
   int nCount = m_pFieldTree->m_Root.CountFields();
   for (int i = 0; i < nCount; i++) {
     CPDF_FormField* pField = m_pFieldTree->m_Root.GetField(i);
     if (!pField || pField->GetType() == CPDF_FormField::PushButton)
       continue;
 
     uint32_t dwFlags = pField->GetFieldFlags();
     if (dwFlags & 0x04)
       continue;
 
     if (bIncludeOrExclude == pdfium::ContainsValue(fields, pField)) {
       if ((dwFlags & 0x02) != 0 && pField->m_pDict->GetStringFor("V").IsEmpty())
         continue;
 
       CFX_WideString fullname = FPDF_GetFullName(pField->GetFieldDict());
-      CPDF_Dictionary* pFieldDict = new CPDF_Dictionary;
+      CPDF_Dictionary* pFieldDict = new CPDF_Dictionary(pDoc);
       pFieldDict->SetFor("T", new CPDF_String(fullname));
       if (pField->GetType() == CPDF_FormField::CheckBox ||
           pField->GetType() == CPDF_FormField::RadioButton) {
         CFX_WideString csExport = pField->GetCheckValue(FALSE);
         CFX_ByteString csBExport = PDF_EncodeText(csExport);
         CPDF_Object* pOpt = FPDF_GetFieldAttr(pField->m_pDict, "Opt");
         if (pOpt)
           pFieldDict->SetStringFor("V", csBExport);
         else
           pFieldDict->SetNameFor("V", csBExport);
@@ skipping 91 matching lines @@
     FDF_ImportField(pField, L"", bNotify);
   }
   if (bNotify && m_pFormNotify)
     m_pFormNotify->AfterFormImportData(this);
   return TRUE;
 }
 
 void CPDF_InterForm::SetFormNotify(IPDF_FormNotify* pNotify) {
   m_pFormNotify = pNotify;
 }