Rename CPDF_Document::GetPage() to GetPageDictionary().

Avoids a conflict should we wish to have the document actually
track pages, with a GetPage() that returns CPDF_Page.

Do the same thing to CPDF_DataAvail along the way.
Add some missing consts as well.

Change-Id: I2cb2213cc4c0649662fceab80407ee4a3f4cf30e
Reviewed-on: https://pdfium-review.googlesource.com/32158
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: dsinclair <dsinclair@chromium.org>

5 files changed, 32 insertions, 32 deletions

diff --git a/core/fpdfapi/parser/cpdf_data_avail.cpp b/core/fpdfapi/parser/cpdf_data_avail.cpp
index e871e0a578..3ffe6f6f0b 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.cpp
+++ b/core/fpdfapi/parser/cpdf_data_avail.cpp
@@ -475,7 +475,7 @@ bool CPDF_DataAvail::CheckHintTables() {
 std::unique_ptr<CPDF_Object> CPDF_DataAvail::ParseIndirectObjectAt(
     FX_FILESIZE pos,
     uint32_t objnum,
-    CPDF_IndirectObjectHolder* pObjList) {
+    CPDF_IndirectObjectHolder* pObjList) const {
   const FX_FILESIZE SavedPos = GetSyntaxParser()->GetPos();
   GetSyntaxParser()->SetPos(pos);
   std::unique_ptr<CPDF_Object> result = GetSyntaxParser()->GetIndirectObject(
@@ -828,7 +828,7 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
 
   if (m_pLinearized) {
     if (dwPage == m_pLinearized->GetFirstPageNo()) {
-      CPDF_Dictionary* pPageDict = m_pDocument->GetPage(safePage.ValueOrDie());
+      auto* pPageDict = m_pDocument->GetPageDictionary(safePage.ValueOrDie());
       if (!pPageDict)
         return DataError;
 
@@ -850,7 +850,7 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
       nResult = m_pHintTables->CheckPage(dwPage);
       if (nResult != DataAvailable)
         return nResult;
-      if (GetPage(dwPage)) {
+      if (GetPageDictionary(dwPage)) {
         m_pagesLoadState.insert(dwPage);
         return DataAvailable;
       }
@@ -879,7 +879,7 @@ CPDF_DataAvail::DocAvailStatus CPDF_DataAvail::IsPageAvail(
   if (CheckAcroForm() == DocFormStatus::FormNotAvailable)
     return DataNotAvailable;
 
-  CPDF_Dictionary* pPageDict = m_pDocument->GetPage(safePage.ValueOrDie());
+  auto* pPageDict = m_pDocument->GetPageDictionary(safePage.ValueOrDie());
   if (!pPageDict)
     return DataError;
 
@@ -943,10 +943,10 @@ int CPDF_DataAvail::GetPageCount() const {
   return m_pDocument ? m_pDocument->GetPageCount() : 0;
 }
 
-CPDF_Dictionary* CPDF_DataAvail::GetPage(int index) {
+CPDF_Dictionary* CPDF_DataAvail::GetPageDictionary(int index) const {
   if (!m_pDocument || index < 0 || index >= GetPageCount())
     return nullptr;
-  CPDF_Dictionary* page = m_pDocument->GetPage(index);
+  CPDF_Dictionary* page = m_pDocument->GetPageDictionary(index);
   if (page)
     return page;
   if (!m_pLinearized || !m_pHintTables)
@@ -970,7 +970,7 @@ CPDF_Dictionary* CPDF_DataAvail::GetPage(int index) {
   }
   if (!ValidatePage(index))
     return nullptr;
-  return m_pDocument->GetPage(index);
+  return m_pDocument->GetPageDictionary(index);
 }
 
 CPDF_DataAvail::DocFormStatus CPDF_DataAvail::IsFormAvail(
@@ -1016,9 +1016,9 @@ CPDF_DataAvail::DocFormStatus CPDF_DataAvail::CheckAcroForm() {
   return DocFormStatus::FormError;
 }
 
-bool CPDF_DataAvail::ValidatePage(uint32_t dwPage) {
+bool CPDF_DataAvail::ValidatePage(uint32_t dwPage) const {
   FX_SAFE_INT32 safePage = pdfium::base::checked_cast<int32_t>(dwPage);
-  CPDF_Dictionary* pPageDict = m_pDocument->GetPage(safePage.ValueOrDie());
+  auto* pPageDict = m_pDocument->GetPageDictionary(safePage.ValueOrDie());
   if (!pPageDict)
     return false;
   CPDF_PageObjectAvail obj_avail(GetValidator().Get(), m_pDocument, pPageDict);
diff --git a/core/fpdfapi/parser/cpdf_data_avail.h b/core/fpdfapi/parser/cpdf_data_avail.h
index dfb1f0cabf..2a0705d33d 100644
--- a/core/fpdfapi/parser/cpdf_data_avail.h
+++ b/core/fpdfapi/parser/cpdf_data_avail.h
@@ -102,7 +102,7 @@ class CPDF_DataAvail final {
   DocLinearizationStatus IsLinearizedPDF();
   RetainPtr<IFX_SeekableReadStream> GetFileRead() const;
   int GetPageCount() const;
-  CPDF_Dictionary* GetPage(int index);
+  CPDF_Dictionary* GetPageDictionary(int index) const;
   RetainPtr<CPDF_ReadValidator> GetValidator() const;
 
   std::pair<CPDF_Parser::Error, std::unique_ptr<CPDF_Document>> ParseDocument(
@@ -139,7 +139,7 @@ class CPDF_DataAvail final {
   std::unique_ptr<CPDF_Object> ParseIndirectObjectAt(
       FX_FILESIZE pos,
       uint32_t objnum,
-      CPDF_IndirectObjectHolder* pObjList = nullptr);
+      CPDF_IndirectObjectHolder* pObjList = nullptr) const;
   std::unique_ptr<CPDF_Object> GetObject(uint32_t objnum,
                                          bool* pExistInFile);
   bool GetPageKids(CPDF_Parser* pParser, CPDF_Object* pPages);
@@ -161,7 +161,7 @@ class CPDF_DataAvail final {
   bool CheckPageCount();
   bool IsFirstCheck(uint32_t dwPage);
   void ResetFirstCheck(uint32_t dwPage);
-  bool ValidatePage(uint32_t dwPage);
+  bool ValidatePage(uint32_t dwPage) const;
   CPDF_SyntaxParser* GetSyntaxParser() const;
 
   FileAvail* const m_pFileAvail;
diff --git a/core/fpdfapi/parser/cpdf_document.cpp b/core/fpdfapi/parser/cpdf_document.cpp
index 32350b7551..13f5db244b 100644
--- a/core/fpdfapi/parser/cpdf_document.cpp
+++ b/core/fpdfapi/parser/cpdf_document.cpp
@@ -331,7 +331,7 @@ bool CPDF_Document::IsPageLoaded(int iPage) const {
   return !!m_PageList[iPage];
 }
 
-CPDF_Dictionary* CPDF_Document::GetPage(int iPage) {
+CPDF_Dictionary* CPDF_Document::GetPageDictionary(int iPage) {
   if (!pdfium::IndexInBounds(m_PageList, iPage))
     return nullptr;
 
diff --git a/core/fpdfapi/parser/cpdf_document.h b/core/fpdfapi/parser/cpdf_document.h
index 5ee3c77bb5..8690efed80 100644
--- a/core/fpdfapi/parser/cpdf_document.h
+++ b/core/fpdfapi/parser/cpdf_document.h
@@ -65,7 +65,7 @@ class CPDF_Document : public CPDF_IndirectObjectHolder {
   void DeletePage(int iPage);
   int GetPageCount() const;
   bool IsPageLoaded(int iPage) const;
-  CPDF_Dictionary* GetPage(int iPage);
+  CPDF_Dictionary* GetPageDictionary(int iPage);
   int GetPageIndex(uint32_t objnum);
   uint32_t GetUserPermissions() const;
 
diff --git a/core/fpdfapi/parser/cpdf_document_unittest.cpp b/core/fpdfapi/parser/cpdf_document_unittest.cpp
index d1b8dce74a..f06a7f42d3 100644
--- a/core/fpdfapi/parser/cpdf_document_unittest.cpp
+++ b/core/fpdfapi/parser/cpdf_document_unittest.cpp
@@ -164,22 +164,22 @@ TEST_F(cpdf_document_test, GetPages) {
   std::unique_ptr<CPDF_TestDocumentForPages> document =
       pdfium::MakeUnique<CPDF_TestDocumentForPages>();
   for (int i = 0; i < kNumTestPages; i++) {
-    CPDF_Dictionary* page = document->GetPage(i);
+    CPDF_Dictionary* page = document->GetPageDictionary(i);
     ASSERT_TRUE(page);
     ASSERT_TRUE(page->KeyExist("PageNumbering"));
     EXPECT_EQ(i, page->GetIntegerFor("PageNumbering"));
   }
-  CPDF_Dictionary* page = document->GetPage(kNumTestPages);
+  CPDF_Dictionary* page = document->GetPageDictionary(kNumTestPages);
   EXPECT_FALSE(page);
 }
 
 TEST_F(cpdf_document_test, GetPageWithoutObjNumTwice) {
   auto document = pdfium::MakeUnique<CPDF_TestDocumentWithPageWithoutPageNum>();
-  const CPDF_Dictionary* page = document->GetPage(2);
+  CPDF_Dictionary* page = document->GetPageDictionary(2);
   ASSERT_TRUE(page);
   ASSERT_EQ(document->inlined_page(), page);
 
-  const CPDF_Dictionary* second_call_page = document->GetPage(2);
+  CPDF_Dictionary* second_call_page = document->GetPageDictionary(2);
   EXPECT_TRUE(second_call_page);
   EXPECT_EQ(page, second_call_page);
 }
@@ -188,12 +188,12 @@ TEST_F(cpdf_document_test, GetPagesReverseOrder) {
   std::unique_ptr<CPDF_TestDocumentForPages> document =
       pdfium::MakeUnique<CPDF_TestDocumentForPages>();
   for (int i = 6; i >= 0; i--) {
-    CPDF_Dictionary* page = document->GetPage(i);
+    CPDF_Dictionary* page = document->GetPageDictionary(i);
     ASSERT_TRUE(page);
     ASSERT_TRUE(page->KeyExist("PageNumbering"));
     EXPECT_EQ(i, page->GetIntegerFor("PageNumbering"));
   }
-  CPDF_Dictionary* page = document->GetPage(kNumTestPages);
+  CPDF_Dictionary* page = document->GetPageDictionary(kNumTestPages);
   EXPECT_FALSE(page);
 }
 
@@ -201,20 +201,20 @@ TEST_F(cpdf_document_test, GetPagesInDisorder) {
   std::unique_ptr<CPDF_TestDocumentForPages> document =
       pdfium::MakeUnique<CPDF_TestDocumentForPages>();
 
-  CPDF_Dictionary* page = document->GetPage(1);
+  CPDF_Dictionary* page = document->GetPageDictionary(1);
   ASSERT_TRUE(page);
   ASSERT_TRUE(page->KeyExist("PageNumbering"));
   EXPECT_EQ(1, page->GetIntegerFor("PageNumbering"));
 
-  page = document->GetPage(3);
+  page = document->GetPageDictionary(3);
   ASSERT_TRUE(page);
   ASSERT_TRUE(page->KeyExist("PageNumbering"));
   EXPECT_EQ(3, page->GetIntegerFor("PageNumbering"));
 
-  page = document->GetPage(kNumTestPages);
+  page = document->GetPageDictionary(kNumTestPages);
   EXPECT_FALSE(page);
 
-  page = document->GetPage(6);
+  page = document->GetPageDictionary(6);
   ASSERT_TRUE(page);
   ASSERT_TRUE(page->KeyExist("PageNumbering"));
   EXPECT_EQ(6, page->GetIntegerFor("PageNumbering"));
@@ -237,11 +237,11 @@ TEST_F(cpdf_document_test, UseCachedPageObjNumIfHaveNotPagesDict) {
   const int test_page_num = 33;
 
   EXPECT_FALSE(document.IsPageLoaded(test_page_num));
-  EXPECT_EQ(nullptr, document.GetPage(test_page_num));
+  EXPECT_EQ(nullptr, document.GetPageDictionary(test_page_num));
 
   document.SetPageObjNum(test_page_num, obj_num);
   EXPECT_TRUE(document.IsPageLoaded(test_page_num));
-  EXPECT_EQ(page_stub, document.GetPage(test_page_num));
+  EXPECT_EQ(page_stub, document.GetPageDictionary(test_page_num));
 }
 
 TEST_F(cpdf_document_test, CountGreaterThanPageTree) {
@@ -249,19 +249,19 @@ TEST_F(cpdf_document_test, CountGreaterThanPageTree) {
       pdfium::MakeUnique<CPDF_TestDocumentForPages>();
   document->SetTreeSize(kNumTestPages + 3);
   for (int i = 0; i < kNumTestPages; i++)
-    EXPECT_TRUE(document->GetPage(i));
+    EXPECT_TRUE(document->GetPageDictionary(i));
   for (int i = kNumTestPages; i < kNumTestPages + 4; i++)
-    EXPECT_FALSE(document->GetPage(i));
-  EXPECT_TRUE(document->GetPage(kNumTestPages - 1));
+    EXPECT_FALSE(document->GetPageDictionary(i));
+  EXPECT_TRUE(document->GetPageDictionary(kNumTestPages - 1));
 }
 
 TEST_F(cpdf_document_test, PagesWithoutKids) {
   // Set up a document with Pages dict without kids, and Count = 3
   auto pDoc = pdfium::MakeUnique<CPDF_TestDocPagesWithoutKids>();
-  EXPECT_TRUE(pDoc->GetPage(0));
+  EXPECT_TRUE(pDoc->GetPageDictionary(0));
   // Test GetPage does not fetch pages out of range
   for (int i = 1; i < 5; i++)
-    EXPECT_FALSE(pDoc->GetPage(i));
+    EXPECT_FALSE(pDoc->GetPageDictionary(i));
 
-  EXPECT_TRUE(pDoc->GetPage(0));
+  EXPECT_TRUE(pDoc->GetPageDictionary(0));
 }