Initialize CPDF_TextPage members in the header.

Change-Id: I667a3cd696d44692fa3d73bdee7c2f48d3039255
Reviewed-on: https://pdfium-review.googlesource.com/32152
Commit-Queue: Ryan Harrison <rharrison@chromium.org>
Reviewed-by: Ryan Harrison <rharrison@chromium.org>

2 files changed, 15 insertions, 32 deletions

diff --git a/core/fpdftext/cpdf_textpage.cpp b/core/fpdftext/cpdf_textpage.cpp
index cc0c9db8a1..52b669638c 100644
--- a/core/fpdftext/cpdf_textpage.cpp
+++ b/core/fpdftext/cpdf_textpage.cpp
@@ -120,28 +120,18 @@ PDFTEXT_Obj::PDFTEXT_Obj(const PDFTEXT_Obj& that) = default;
 
 PDFTEXT_Obj::~PDFTEXT_Obj() {}
 
-FPDF_CHAR_INFO::FPDF_CHAR_INFO()
-    : m_Unicode(0),
-      m_Charcode(0),
-      m_Flag(0),
-      m_FontSize(0),
-      m_pTextObj(nullptr) {}
+FPDF_CHAR_INFO::FPDF_CHAR_INFO() {}
 
 FPDF_CHAR_INFO::~FPDF_CHAR_INFO() {}
 
-PAGECHAR_INFO::PAGECHAR_INFO()
-    : m_Index(0), m_CharCode(0), m_Unicode(0), m_Flag(0), m_pTextObj(nullptr) {}
+PAGECHAR_INFO::PAGECHAR_INFO() {}
 
 PAGECHAR_INFO::PAGECHAR_INFO(const PAGECHAR_INFO&) = default;
 
 PAGECHAR_INFO::~PAGECHAR_INFO() {}
 
 CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, FPDFText_Direction flags)
-    : m_pPage(pPage),
-      m_parserflag(flags),
-      m_pPreTextObj(nullptr),
-      m_bIsParsed(false),
-      m_TextlineDir(TextOrientation::Unknown) {
+    : m_pPage(pPage), m_parserflag(flags) {
   m_TextBuf.EstimateSize(0, 10240);
   const FX_RECT rect(0, 0, static_cast<int>(pPage->GetPageWidth()),
                      static_cast<int>(pPage->GetPageHeight()));
@@ -1446,9 +1436,8 @@ Optional<PAGECHAR_INFO> CPDF_TextPage::GenerateCharInfo(wchar_t unicode) {
 
   PAGECHAR_INFO info;
   info.m_Index = m_TextBuf.GetLength();
-  info.m_Unicode = unicode;
-  info.m_pTextObj = nullptr;
   info.m_CharCode = CPDF_Font::kInvalidCharCode;
+  info.m_Unicode = unicode;
   info.m_Flag = FPDFTEXT_CHAR_GENERATED;
 
   int preWidth = 0;
diff --git a/core/fpdftext/cpdf_textpage.h b/core/fpdftext/cpdf_textpage.h
index 66ece911ed..eb3950f145 100644
--- a/core/fpdftext/cpdf_textpage.h
+++ b/core/fpdftext/cpdf_textpage.h
@@ -49,31 +49,26 @@ class FPDF_CHAR_INFO {
   FPDF_CHAR_INFO();
   ~FPDF_CHAR_INFO();
 
-  wchar_t m_Unicode;
-  wchar_t m_Charcode;
-  int32_t m_Flag;
-  float m_FontSize;
+  wchar_t m_Unicode = 0;
+  wchar_t m_Charcode = 0;
+  int32_t m_Flag = 0;
+  float m_FontSize = 0;
   CFX_PointF m_Origin;
   CFX_FloatRect m_CharBox;
   UnownedPtr<CPDF_TextObject> m_pTextObj;
   CFX_Matrix m_Matrix;
 };
 
-struct FPDF_SEGMENT {
-  int m_Start;
-  int m_nCount;
-};
-
 class PAGECHAR_INFO {
  public:
   PAGECHAR_INFO();
   PAGECHAR_INFO(const PAGECHAR_INFO&);
   ~PAGECHAR_INFO();
 
-  int m_Index;
-  int m_CharCode;
-  wchar_t m_Unicode;
-  int32_t m_Flag;
+  int m_Index = 0;
+  int m_CharCode = 0;
+  wchar_t m_Unicode = 0;
+  int32_t m_Flag = 0;
   CFX_PointF m_Origin;
   CFX_FloatRect m_CharBox;
   UnownedPtr<CPDF_TextObject> m_pTextObj;
@@ -94,7 +89,6 @@ class CPDF_TextPage {
   CPDF_TextPage(const CPDF_Page* pPage, FPDFText_Direction flags);
   ~CPDF_TextPage();
 
-  // IPDF_TextPage:
   void ParseTextPage();
   bool IsParsed() const { return m_bIsParsed; }
   int CharIndexFromTextIndex(int TextIndex) const;
@@ -106,7 +100,7 @@ class CPDF_TextPage {
   WideString GetTextByRect(const CFX_FloatRect& rect) const;
 
   // Returns string with the text from |m_TextBuf| that are covered by the input
-  // range. |start| and |count| are in terms of the m_CharIndex, so the range
+  // range. |start| and |count| are in terms of the |m_CharIndex|, so the range
   // will be converted into appropriate indices.
   WideString GetPageText(int start, int count) const;
   WideString GetAllPageText() const { return GetPageText(0, CountChars()); }
@@ -176,11 +170,11 @@ class CPDF_TextPage {
   const FPDFText_Direction m_parserflag;
   UnownedPtr<CPDF_TextObject> m_pPreTextObj;
   CFX_Matrix m_perMatrix;
-  bool m_bIsParsed;
+  bool m_bIsParsed = false;
   CFX_Matrix m_DisplayMatrix;
   std::vector<CFX_FloatRect> m_SelRects;
   std::vector<PDFTEXT_Obj> m_LineObj;
-  TextOrientation m_TextlineDir;
+  TextOrientation m_TextlineDir = TextOrientation::Unknown;
   CFX_FloatRect m_CurlineRect;
 };