Return EphemeralRange from Editor::findRangeOfString.

third_party/WebKit/Source/core/dom/Range.cpp

 /*
  * (C) 1999 Lars Knoll (knoll@kde.org)
  * (C) 2000 Gunnstein Lye (gunnstein@netcom.no)
  * (C) 2000 Frederik Holljen (frederik.holljen@hig.no)
  * (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2011 Motorola Mobility. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
@@ skipping 1282 matching lines @@
     IntRect result;
     Vector<IntRect> rects;
     textRects(rects);
     for (const IntRect& rect : rects)
         result.unite(rect);
     return result;
 }
 
 void Range::textRects(Vector<IntRect>& rects, bool useSelectionHeight, RangeInFixedPosition* inFixed) const
 {
-    Node* startContainer = m_start.container();
-    ASSERT(startContainer);
-    Node* endContainer = m_end.container();
-    ASSERT(endContainer);
-
     bool allFixed = true;
     bool someFixed = false;
-
-    Node* stopNode = pastLastNode();
-    for (Node* node = firstNode(); node != stopNode; node = NodeTraversal::next(*node)) {
-        LayoutObject* r = node->layoutObject();
-        if (!r || !r->isText())
-            continue;
-        LayoutText* layoutText = toLayoutText(r);
-        int startOffset = node == startContainer ? m_start.offset() : 0;
-        int endOffset = node == endContainer ? m_end.offset() : std::numeric_limits<int>::max();
-        bool isFixed = false;
-        layoutText->absoluteRectsForRange(rects, startOffset, endOffset, useSelectionHeight, &isFixed);
-        allFixed &= isFixed;
-        someFixed |= isFixed;
-    }
+    collectTextBoundsInRange(
+        m_start.container(), m_start.offset(), m_end.container(), m_end.offset(),
+        firstNode(), pastLastNode(), &NodeTraversal::next,
+        rects, useSelectionHeight, &allFixed, &someFixed);
 
     if (inFixed)
         *inFixed = allFixed ? EntirelyFixedPosition : (someFixed ? PartiallyFixedPosition : NotFixedPosition);
 }
 
 void Range::textQuads(Vector<FloatQuad>& quads, bool useSelectionHeight, RangeInFixedPosition* inFixed) const
 {
-    Node* startContainer = m_start.container();
-    ASSERT(startContainer);
-    Node* endContainer = m_end.container();
-    ASSERT(endContainer);
-
     bool allFixed = true;
     bool someFixed = false;
-
-    Node* stopNode = pastLastNode();
-    for (Node* node = firstNode(); node != stopNode; node = NodeTraversal::next(*node)) {
-        LayoutObject* r = node->layoutObject();
-        if (!r || !r->isText())
-            continue;
-        LayoutText* layoutText = toLayoutText(r);
-        int startOffset = node == startContainer ? m_start.offset() : 0;
-        int endOffset = node == endContainer ? m_end.offset() : std::numeric_limits<int>::max();
-        bool isFixed = false;
-        layoutText->absoluteQuadsForRange(quads, startOffset, endOffset, useSelectionHeight, &isFixed);
-        allFixed &= isFixed;
-        someFixed |= isFixed;
-    }
+    collectTextBoundsInRange(
+        m_start.container(), m_start.offset(), m_end.container(), m_end.offset(),
+        firstNode(), pastLastNode(), &NodeTraversal::next,
+        quads, useSelectionHeight, &allFixed, &someFixed);
 
     if (inFixed)
         *inFixed = allFixed ? EntirelyFixedPosition : (someFixed ? PartiallyFixedPosition : NotFixedPosition);
 }
 
 #ifndef NDEBUG
 void Range::formatForDebugger(char* buffer, unsigned length) const
 {
     StringBuilder result;
 
@@ skipping 289 matching lines @@
 {
     if (range && range->boundaryPointsValid()) {
         range->startContainer()->showTreeAndMark(range->startContainer(), "S", range->endContainer(), "E");
         fprintf(stderr, "start offset: %d, end offset: %d\n", range->startOffset(), range->endOffset());
     } else {
         fprintf(stderr, "Cannot show tree if range is null, or if boundary points are invalid.\n");
     }
 }
 
 #endif