1 files changed, 22 insertions, 3 deletions

diff --git a/WebCore/editing/TextIterator.h b/WebCore/editing/TextIterator.h
index ba381b9..805e060 100644
--- a/WebCore/editing/TextIterator.h
+++ b/WebCore/editing/TextIterator.h
@@ -32,6 +32,9 @@
 
 namespace WebCore {
 
+class RenderText;
+class RenderTextFragment;
+
 // FIXME: Can't really answer this question correctly without knowing the white-space mode.
 // FIXME: Move this somewhere else in the editing directory. It doesn't belong here.
 inline bool isCollapsibleWhitespace(UChar c)
@@ -73,6 +76,7 @@ enum TextIteratorBehavior {
     TextIteratorEmitsCharactersBetweenAllVisiblePositions = 1 << 0,
     TextIteratorEntersTextControls = 1 << 1,
     TextIteratorEmitsTextsWithoutTranscoding = 1 << 2,
+    TextIteratorEndsAtEditingBoundary = 1 << 3
 };
 
 class TextIterator {
@@ -102,7 +106,10 @@ private:
     bool handleReplacedElement();
     bool handleNonTextNode();
     void handleTextBox();
+    void handleTextNodeFirstLetter(RenderTextFragment*);
+    bool hasVisibleTextNode(RenderText*);
     void emitCharacter(UChar, Node* textNode, Node* offsetBaseNode, int textStartOffset, int textEndOffset);
+    void emitText(Node* textNode, RenderObject* renderObject, int textStartOffset, int textEndOffset);
     void emitText(Node* textNode, int textStartOffset, int textEndOffset);
     
     // Current position, not necessarily of the text being returned, but position
@@ -134,6 +141,11 @@ private:
     // are false and 0, we go back to normal iterating.
     bool m_needsAnotherNewline;
     InlineTextBox* m_textBox;
+    // Used when iteration over :first-letter text to save pointer to
+    // remaining text box.
+    InlineTextBox* m_remainingTextBox;
+    // Used to point to RenderText object for :first-letter.
+    RenderText *m_firstLetterText;
     
     // Used to do the whitespace collapsing logic.
     Node* m_lastTextNode;    
@@ -159,6 +171,8 @@ private:
 
     // Used when we want texts for copying, pasting, and transposing.
     bool m_emitsTextWithoutTranscoding;
+    // Used when deciding text fragment created by :first-letter should be looked into.
+    bool m_handledFirstLetter;
 };
 
 // Iterates through the DOM range, returning all the text, and 0-length boundaries
@@ -167,7 +181,7 @@ private:
 class SimplifiedBackwardsTextIterator {
 public:
     SimplifiedBackwardsTextIterator();
-    explicit SimplifiedBackwardsTextIterator(const Range*);
+    explicit SimplifiedBackwardsTextIterator(const Range*, TextIteratorBehavior = TextIteratorDefaultBehavior);
     
     bool atEnd() const { return !m_positionNode; }
     void advance();
@@ -183,7 +197,11 @@ private:
     bool handleReplacedElement();
     bool handleNonTextNode();
     void emitCharacter(UChar, Node*, int startOffset, int endOffset);
-    
+    bool crossesEditingBoundary(Node*) const;
+    bool setCurrentNode(Node*);
+    void clearCurrentNode();
+
+    TextIteratorBehavior m_behavior;
     // Current position, not necessarily of the text being returned, but position
     // as we walk through the DOM tree.
     Node* m_node;
@@ -247,7 +265,7 @@ private:
 class BackwardsCharacterIterator {
 public:
     BackwardsCharacterIterator();
-    explicit BackwardsCharacterIterator(const Range*);
+    explicit BackwardsCharacterIterator(const Range*, TextIteratorBehavior = TextIteratorDefaultBehavior);
 
     void advance(int);
 
@@ -256,6 +274,7 @@ public:
     PassRefPtr<Range> range() const;
 
 private:
+    TextIteratorBehavior m_behavior;
     int m_offset;
     int m_runOffset;
     bool m_atBreak;