Move CPWL_Utils::OverlapWordRange to CPVT_WordRange::Intersect

This method only deals with CPVT_WordRange objects so move to the correct class.

Change-Id: If5f28178301affa8633f8ef8e89894dfb94f1ac9
Reviewed-on: https://pdfium-review.googlesource.com/7713
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

3 files changed, 4 insertions, 19 deletions

diff --git a/fpdfsdk/pdfwindow/cpwl_edit.cpp b/fpdfsdk/pdfwindow/cpwl_edit.cpp
index 2f9c5fbea5..8a788dd184 100644
--- a/fpdfsdk/pdfwindow/cpwl_edit.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_edit.cpp
@@ -270,8 +270,7 @@ void CPWL_Edit::GetThisAppearanceStream(std::ostringstream* psAppStream) {
 
   CPVT_WordRange wrSelBefore(wrWhole.BeginPos, wrSelect.BeginPos);
   CPVT_WordRange wrSelAfter(wrSelect.EndPos, wrWhole.EndPos);
-  CPVT_WordRange wrTemp =
-      CPWL_Utils::OverlapWordRange(GetSelectWordRange(), wrVisible);
+  CPVT_WordRange wrTemp = GetSelectWordRange().Intersect(wrVisible);
   CFX_ByteString sEditSel =
       CPWL_Utils::GetEditSelAppStream(m_pEdit.get(), ptOffset, &wrTemp);
 
@@ -279,7 +278,7 @@ void CPWL_Edit::GetThisAppearanceStream(std::ostringstream* psAppStream) {
     sText << CPWL_Utils::GetColorAppStream(PWL_DEFAULT_SELBACKCOLOR)
           << sEditSel;
 
-  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelBefore);
+  wrTemp = wrVisible.Intersect(wrSelBefore);
   CFX_ByteString sEditBefore = CPWL_Utils::GetEditAppStream(
       m_pEdit.get(), ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
       m_pEdit->GetPasswordChar());
@@ -289,7 +288,7 @@ void CPWL_Edit::GetThisAppearanceStream(std::ostringstream* psAppStream) {
           << CPWL_Utils::GetColorAppStream(GetTextColor()) << sEditBefore
           << "ET\n";
 
-  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelect);
+  wrTemp = wrVisible.Intersect(wrSelect);
   CFX_ByteString sEditMid = CPWL_Utils::GetEditAppStream(
       m_pEdit.get(), ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
       m_pEdit->GetPasswordChar());
@@ -299,7 +298,7 @@ void CPWL_Edit::GetThisAppearanceStream(std::ostringstream* psAppStream) {
           << CPWL_Utils::GetColorAppStream(CPWL_Color(COLORTYPE_GRAY, 1))
           << sEditMid << "ET\n";
 
-  wrTemp = CPWL_Utils::OverlapWordRange(wrVisible, wrSelAfter);
+  wrTemp = wrVisible.Intersect(wrSelAfter);
   CFX_ByteString sEditAfter = CPWL_Utils::GetEditAppStream(
       m_pEdit.get(), ptOffset, &wrTemp, !HasFlag(PES_CHARARRAY),
       m_pEdit->GetPasswordChar());
diff --git a/fpdfsdk/pdfwindow/cpwl_utils.cpp b/fpdfsdk/pdfwindow/cpwl_utils.cpp
index ed1a94542e..998c95c875 100644
--- a/fpdfsdk/pdfwindow/cpwl_utils.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_utils.cpp
@@ -18,17 +18,6 @@
 #include "fpdfsdk/pdfwindow/cpwl_icon.h"
 #include "fpdfsdk/pdfwindow/cpwl_wnd.h"
 
-CPVT_WordRange CPWL_Utils::OverlapWordRange(const CPVT_WordRange& wr1,
-                                            const CPVT_WordRange& wr2) {
-  if (wr2.EndPos < wr1.BeginPos || wr2.BeginPos > wr1.EndPos ||
-      wr1.EndPos < wr2.BeginPos || wr1.BeginPos > wr2.EndPos) {
-    return CPVT_WordRange();
-  }
-
-  return CPVT_WordRange(std::max(wr1.BeginPos, wr2.BeginPos),
-                        std::min(wr1.EndPos, wr2.EndPos));
-}
-
 CFX_ByteString CPWL_Utils::GetAP_Check(const CFX_FloatRect& crBBox) {
   const float fWidth = crBBox.right - crBBox.left;
   const float fHeight = crBBox.top - crBBox.bottom;
diff --git a/fpdfsdk/pdfwindow/cpwl_utils.h b/fpdfsdk/pdfwindow/cpwl_utils.h
index df364c7f56..ec6188e2b9 100644
--- a/fpdfsdk/pdfwindow/cpwl_utils.h
+++ b/fpdfsdk/pdfwindow/cpwl_utils.h
@@ -32,9 +32,6 @@ struct CPWL_Color;
 
 class CPWL_Utils {
  public:
-  static CPVT_WordRange OverlapWordRange(const CPVT_WordRange& wr1,
-                                         const CPVT_WordRange& wr2);
-
   static CFX_ByteString GetColorAppStream(const CPWL_Color& color,
                                           const bool& bFillOrStroke = true);
   static CFX_ByteString GetBorderAppStream(const CFX_FloatRect& rect,