Title: [196699] trunk
Revision
196699
Author
n_w...@apple.com
Date
2016-02-17 10:16:50 -0800 (Wed, 17 Feb 2016)

Log Message

AX: Implement sentence related text marker functions using TextIterator
https://bugs.webkit.org/show_bug.cgi?id=154312

Reviewed by Chris Fleizach.

Source/WebCore:

Using CharacterOffset to implement sentence related text marker calls. Reused
logic from VisibleUnits class. Also fixed an issue where paragraph navigation
should skip preceding and following BR nodes.

Test: accessibility/mac/text-marker-sentence-nav.html

* accessibility/AXObjectCache.cpp:
(WebCore::resetNodeAndOffsetForReplacedNode):
(WebCore::setRangeStartOrEndWithCharacterOffset):
(WebCore::AXObjectCache::characterOffsetForNodeAndOffset):
(WebCore::AXObjectCache::previousCharacterOffset):
(WebCore::AXObjectCache::startCharacterOffsetOfWord):
(WebCore::AXObjectCache::endCharacterOffsetOfWord):
(WebCore::AXObjectCache::previousWordStartCharacterOffset):
(WebCore::AXObjectCache::leftWordRange):
(WebCore::AXObjectCache::rightWordRange):
(WebCore::AXObjectCache::characterBefore):
(WebCore::characterOffsetNodeIsBR):
(WebCore::parentEditingBoundary):
(WebCore::AXObjectCache::nextBoundary):
(WebCore::AXObjectCache::previousBoundary):
(WebCore::AXObjectCache::paragraphForCharacterOffset):
(WebCore::AXObjectCache::nextParagraphEndCharacterOffset):
(WebCore::AXObjectCache::previousParagraphStartCharacterOffset):
(WebCore::AXObjectCache::startCharacterOffsetOfSentence):
(WebCore::AXObjectCache::endCharacterOffsetOfSentence):
(WebCore::AXObjectCache::sentenceForCharacterOffset):
(WebCore::AXObjectCache::nextSentenceEndCharacterOffset):
(WebCore::AXObjectCache::previousSentenceStartCharacterOffset):
(WebCore::AXObjectCache::rootAXEditableElement):
(WebCore::startWordBoundary): Deleted.
(WebCore::endWordBoundary): Deleted.
(WebCore::AXObjectCache::nextWordBoundary): Deleted.
(WebCore::AXObjectCache::previousWordBoundary): Deleted.
* accessibility/AXObjectCache.h:
* accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
(-[WebAccessibilityObjectWrapper accessibilityAttributeValue:forParameter:]):
* editing/VisibleUnits.cpp:
(WebCore::startWordBoundary):
(WebCore::startOfWord):
(WebCore::endWordBoundary):
(WebCore::startSentenceBoundary):
(WebCore::startOfSentence):
(WebCore::endSentenceBoundary):
* editing/VisibleUnits.h:

Tools:

* DumpRenderTree/AccessibilityUIElement.cpp:
(nextParagraphEndTextMarkerForTextMarkerCallback):
(sentenceTextMarkerRangeForTextMarkerCallback):
(previousSentenceStartTextMarkerForTextMarkerCallback):
(nextSentenceEndTextMarkerForTextMarkerCallback):
(setSelectedVisibleTextRangeCallback):
(AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
(AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
(AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
(AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
(AccessibilityUIElement::getJSClass):
* DumpRenderTree/AccessibilityUIElement.h:
* DumpRenderTree/ios/AccessibilityUIElementIOS.mm:
(AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
(AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
(AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
(AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
* DumpRenderTree/mac/AccessibilityUIElementMac.mm:
(AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
(AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
(AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
(AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
(AccessibilityUIElement::supportedActions):
* WebKitTestRunner/InjectedBundle/AccessibilityUIElement.cpp:
(WTR::AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker):
(WTR::AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
(WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
* WebKitTestRunner/InjectedBundle/AccessibilityUIElement.h:
* WebKitTestRunner/InjectedBundle/Bindings/AccessibilityUIElement.idl:
* WebKitTestRunner/InjectedBundle/ios/AccessibilityUIElementIOS.mm:
(WTR::AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
(WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::mathPostscriptsDescription):
* WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm:
(WTR::AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
(WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
(WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
(WTR::_convertMathMultiscriptPairsToString):

LayoutTests:

* accessibility/mac/text-marker-paragraph-nav-expected.txt:
* accessibility/mac/text-marker-paragraph-nav.html:
* accessibility/mac/text-marker-sentence-nav-expected.txt: Added.
* accessibility/mac/text-marker-sentence-nav.html: Added.

Modified Paths

Added Paths

Diff

Modified: trunk/LayoutTests/ChangeLog (196698 => 196699)


--- trunk/LayoutTests/ChangeLog	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/LayoutTests/ChangeLog	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1,3 +1,15 @@
+2016-02-17  Nan Wang  <n_w...@apple.com>
+
+        AX: Implement sentence related text marker functions using TextIterator
+        https://bugs.webkit.org/show_bug.cgi?id=154312
+
+        Reviewed by Chris Fleizach.
+
+        * accessibility/mac/text-marker-paragraph-nav-expected.txt:
+        * accessibility/mac/text-marker-paragraph-nav.html:
+        * accessibility/mac/text-marker-sentence-nav-expected.txt: Added.
+        * accessibility/mac/text-marker-sentence-nav.html: Added.
+
 2016-02-17  Ryan Haddad  <ryanhad...@apple.com>
 
         Adding an ios-specific baseline for accessibility/ios-simulator/centerpoint.html during failure investigation

Modified: trunk/LayoutTests/accessibility/mac/text-marker-paragraph-nav-expected.txt (196698 => 196699)


--- trunk/LayoutTests/accessibility/mac/text-marker-paragraph-nav-expected.txt	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/LayoutTests/accessibility/mac/text-marker-paragraph-nav-expected.txt	2016-02-17 18:16:50 UTC (rev 196699)
@@ -10,6 +10,8 @@
 some
 text
 this is my first paragraph. Of text. it has some text.
+
+
 this is my second paragraph. Of text. it has some text.
 this is my third paragraph. Of text. it has some text.
 
@@ -68,10 +70,14 @@
 Pre paragraph start to next paragraph end: text
 
 Paragraph: this is my first paragraph. Of text. it has some text.
+Paragraph: 
+Paragraph: 
 Paragraph: this is my second paragraph. Of text. it has some text.
 Paragraph: this is my third paragraph. Of text. it has some text.
 Paragraph: this is my third paragraph. Of text. it has some text.
 Paragraph: this is my second paragraph. Of text. it has some text.
+Paragraph: 
+Paragraph: 
 Paragraph: this is my first paragraph. Of text. it has some text.
 Test going forward.
 End paragraph: text

Modified: trunk/LayoutTests/accessibility/mac/text-marker-paragraph-nav.html (196698 => 196699)


--- trunk/LayoutTests/accessibility/mac/text-marker-paragraph-nav.html	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/LayoutTests/accessibility/mac/text-marker-paragraph-nav.html	2016-02-17 18:16:50 UTC (rev 196699)
@@ -46,7 +46,7 @@
 some<br>text
 </div>
 
-<div id="text9">this is my first paragraph. Of text. it has some text.<br>
+<div id="text9">this is my first paragraph. Of text. it has some text.<br><br><br>
 this is my second paragraph. Of text. it has some text.<br>
 this is my third paragraph. Of text. it has some text.<br><br>
 </div>
@@ -121,7 +121,7 @@
         startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
         startMarker = text.nextTextMarker(startMarker);
         var endMarker = text.endTextMarkerForTextMarkerRange(textMarkerRange);
-        verifyParagraphs(text, startMarker, 3);
+        verifyParagraphs(text, startMarker, 5);
         
         // Check the paragraph marker runs from start to end, and backwards.
         // Make sure it won't hang.
@@ -160,26 +160,23 @@
         }
         
         function verifyParagraphs(obj, startMarker, paragraphCount) {
-            // Move to the end of first paragraph, so the first paragraph
-            // won't print twice.
-            var current = obj.nextParagraphEndTextMarkerForTextMarker(startMarker);
+            var current = startMarker;
             var i = 0;
             while(i < paragraphCount) {
+                current = obj.nextParagraphEndTextMarkerForTextMarker(current);
                 var currRange = obj.paragraphTextMarkerRangeForTextMarker(current);
                 var currParagraph = obj.stringForTextMarkerRange(currRange);
                 debug("Paragraph: " + currParagraph);
-                current = obj.nextParagraphEndTextMarkerForTextMarker(current);
                 i++;
             }
             
             // Backwards.
-            current = obj.previousParagraphStartTextMarkerForTextMarker(current);
             i = 0;
             while(i < paragraphCount) {
+                current = obj.previousParagraphStartTextMarkerForTextMarker(current);
                 var currRange = obj.paragraphTextMarkerRangeForTextMarker(current);
                 var currParagraph = obj.stringForTextMarkerRange(currRange);
                 debug("Paragraph: " + currParagraph);
-                current = obj.previousParagraphStartTextMarkerForTextMarker(current);
                 i++;
             }
         }

Added: trunk/LayoutTests/accessibility/mac/text-marker-sentence-nav-expected.txt (0 => 196699)


--- trunk/LayoutTests/accessibility/mac/text-marker-sentence-nav-expected.txt	                        (rev 0)
+++ trunk/LayoutTests/accessibility/mac/text-marker-sentence-nav-expected.txt	2016-02-17 18:16:50 UTC (rev 196699)
@@ -0,0 +1,52 @@
+This is a sentence, right? Yes!
+test audio file.
+巧克力 是食物吗? 是的。
+كيف حالك؟
+both   spaces
+line breaks. Right?
+This is my first sentence. 
+
+This is my second sentence. This is my third sentence. This is my fourth sentence.
+This tests that sentence navigation is working correctly.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+Current character is: T
+Current sentence is: This is a sentence, right? 
+Pre sentence start to next sentence end: This is a sentence, right? 
+
+Current character is: t
+Current sentence is: test audio [ATTACHMENT]file.
+Pre sentence start to next sentence end: test audio [ATTACHMENT]file.
+
+Current character is: 巧
+Current sentence is: 巧克力 是食物吗? 
+Pre sentence start to next sentence end: 巧克力 是食物吗? 
+
+Current character is: ك
+Current sentence is: كيف حالك؟
+Pre sentence start to next sentence end: كيف حالك؟
+
+Current character is: b
+Current sentence is: both   spaces
+Pre sentence start to next sentence end: both   spaces
+
+Current character is: i
+Current sentence is: line breaks. 
+Pre sentence start to next sentence end: line breaks. 
+
+Sentence: This is my first sentence. 
+Sentence: 
+Sentence: This is my second sentence. 
+Sentence: This is my third sentence. 
+Sentence: This is my fourth sentence.
+Sentence: This is my fourth sentence.
+Sentence: This is my third sentence. 
+Sentence: This is my second sentence. 
+Sentence: 
+Sentence: This is my first sentence. 
+PASS successfullyParsed is true
+
+TEST COMPLETE
+

Added: trunk/LayoutTests/accessibility/mac/text-marker-sentence-nav.html (0 => 196699)


--- trunk/LayoutTests/accessibility/mac/text-marker-sentence-nav.html	                        (rev 0)
+++ trunk/LayoutTests/accessibility/mac/text-marker-sentence-nav.html	2016-02-17 18:16:50 UTC (rev 196699)
@@ -0,0 +1,141 @@
+<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
+<html>
+<head>
+<meta charset="utf-8"> 
+<script src=""
+</head>
+<body id="body">
+
+<div id="text1" tabindex="0">
+This i<span>s a sen</span>tence,
+right? Yes!
+</div>
+
+<div id="text2">
+test audio <audio controls><source src="" type="audio/mpeg"></audio>file.
+</div>
+
+<div id="text3">
+巧克力
+是食物吗? 是的。
+</div>
+
+<div id="text3a">
+كيف حالك؟
+</div>
+
+<pre id="text4">
+both   spaces
+line breaks. Right?
+</pre>
+
+<div id="text5">
+This is my first sentence. <br><br>
+This is my second sentence. This is my third sentence.
+This is my fourth sentence.
+</div>
+
+<p id="description"></p>
+<div id="console"></div>
+
+<script>
+
+    description("This tests that sentence navigation is working correctly.");
+    
+    if (window.accessibilityController) {
+    
+        // Check that we can get the paragraph range with span tag.
+        var text = accessibilityController.accessibleElementById("text1");
+        var textMarkerRange = text.textMarkerRangeForElement(text);
+        var startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
+        var currentMarker = advanceAndVerify(startMarker, 1, text);
+        
+        // Audio tag.
+        text = accessibilityController.accessibleElementById("text2");
+        textMarkerRange = text.textMarkerRangeForElement(text);
+        startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
+        currentMarker = advanceAndVerify(startMarker, 1, text);
+        
+        // Multi-languages.
+        text = accessibilityController.accessibleElementById("text3");
+        textMarkerRange = text.textMarkerRangeForElement(text);
+        startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
+        currentMarker = advanceAndVerify(startMarker, 1, text);
+        
+        text = accessibilityController.accessibleElementById("text3a");
+        textMarkerRange = text.textMarkerRangeForElement(text);
+        startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
+        currentMarker = advanceAndVerify(startMarker, 1, text);
+        
+        // Check the case with pre tag.
+        text = accessibilityController.accessibleElementById("text4");
+        textMarkerRange = text.textMarkerRangeForElement(text);
+        startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
+        currentMarker = advanceAndVerify(startMarker, 1, text);
+        currentMarker = advanceAndVerify(currentMarker, 15, text);
+        
+        // Check getting the correct sentences.
+        text = accessibilityController.accessibleElementById("text5");
+        textMarkerRange = text.textMarkerRangeForElement(text);
+        startMarker = text.startTextMarkerForTextMarkerRange(textMarkerRange);
+        verifySentences(text, startMarker, 5);
+        
+        function advanceAndVerify(currentMarker, offset, obj) {
+            var previousMarker = currentMarker;
+            for (var i = 0; i < offset; i++) {
+                previousMarker = currentMarker;
+                currentMarker = obj.nextTextMarker(previousMarker);
+            }
+            verifySentenceRangeForTextMarker(previousMarker, currentMarker, obj);
+            return currentMarker;
+        }
+        
+        function replaceAttachmentInString(str) {
+            str =  str.replace(String.fromCharCode(65532), "[ATTACHMENT]");
+            return str;
+        }
+        
+        function verifySentenceRangeForTextMarker(preMarker, textMarker, obj) {
+            var markerRange = obj.textMarkerRangeForMarkers(preMarker, textMarker);
+            var currentCharacter = replaceAttachmentInString(obj.stringForTextMarkerRange(markerRange));
+            debug("Current character is: " + currentCharacter);
+            
+            var range = obj.sentenceTextMarkerRangeForTextMarker(textMarker);
+            var sentence = replaceAttachmentInString(obj.stringForTextMarkerRange(range));
+            debug("Current sentence is: " + sentence);
+            
+            var preStart = obj.previousSentenceStartTextMarkerForTextMarker(textMarker);
+            var nextEnd = obj.nextSentenceEndTextMarkerForTextMarker(textMarker);
+            var preAndNextSentenceRange = obj.textMarkerRangeForMarkers(preStart, nextEnd);
+            var preAndNextSentence = replaceAttachmentInString(obj.stringForTextMarkerRange(preAndNextSentenceRange));
+            debug("Pre sentence start to next sentence end: " + preAndNextSentence + "\n");
+        }
+        
+        function verifySentences(obj, startMarker, sentenceCount) {
+            var current = startMarker;
+            var i = 0;
+            while(i < sentenceCount) {
+                current = obj.nextSentenceEndTextMarkerForTextMarker(current);
+                var currRange = obj.sentenceTextMarkerRangeForTextMarker(current);
+                var currSentence = obj.stringForTextMarkerRange(currRange);
+                debug("Sentence: " + currSentence);
+                i++;
+            }
+            
+            // Backwards.
+            i = 0;
+            while(i < sentenceCount) {
+                current = obj.previousSentenceStartTextMarkerForTextMarker(current);
+                var next = obj.nextTextMarker(current);
+                var currRange = obj.sentenceTextMarkerRangeForTextMarker(next);
+                var currSentence = obj.stringForTextMarkerRange(currRange);
+                debug("Sentence: " + currSentence);
+                i++;
+            }
+        }    
+    }
+</script>
+
+<script src=""
+</body>
+</html>
\ No newline at end of file

Modified: trunk/Source/WebCore/ChangeLog (196698 => 196699)


--- trunk/Source/WebCore/ChangeLog	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Source/WebCore/ChangeLog	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1,3 +1,56 @@
+2016-02-17  Nan Wang  <n_w...@apple.com>
+
+        AX: Implement sentence related text marker functions using TextIterator
+        https://bugs.webkit.org/show_bug.cgi?id=154312
+
+        Reviewed by Chris Fleizach.
+
+        Using CharacterOffset to implement sentence related text marker calls. Reused
+        logic from VisibleUnits class. Also fixed an issue where paragraph navigation
+        should skip preceding and following BR nodes.
+
+        Test: accessibility/mac/text-marker-sentence-nav.html
+
+        * accessibility/AXObjectCache.cpp:
+        (WebCore::resetNodeAndOffsetForReplacedNode):
+        (WebCore::setRangeStartOrEndWithCharacterOffset):
+        (WebCore::AXObjectCache::characterOffsetForNodeAndOffset):
+        (WebCore::AXObjectCache::previousCharacterOffset):
+        (WebCore::AXObjectCache::startCharacterOffsetOfWord):
+        (WebCore::AXObjectCache::endCharacterOffsetOfWord):
+        (WebCore::AXObjectCache::previousWordStartCharacterOffset):
+        (WebCore::AXObjectCache::leftWordRange):
+        (WebCore::AXObjectCache::rightWordRange):
+        (WebCore::AXObjectCache::characterBefore):
+        (WebCore::characterOffsetNodeIsBR):
+        (WebCore::parentEditingBoundary):
+        (WebCore::AXObjectCache::nextBoundary):
+        (WebCore::AXObjectCache::previousBoundary):
+        (WebCore::AXObjectCache::paragraphForCharacterOffset):
+        (WebCore::AXObjectCache::nextParagraphEndCharacterOffset):
+        (WebCore::AXObjectCache::previousParagraphStartCharacterOffset):
+        (WebCore::AXObjectCache::startCharacterOffsetOfSentence):
+        (WebCore::AXObjectCache::endCharacterOffsetOfSentence):
+        (WebCore::AXObjectCache::sentenceForCharacterOffset):
+        (WebCore::AXObjectCache::nextSentenceEndCharacterOffset):
+        (WebCore::AXObjectCache::previousSentenceStartCharacterOffset):
+        (WebCore::AXObjectCache::rootAXEditableElement):
+        (WebCore::startWordBoundary): Deleted.
+        (WebCore::endWordBoundary): Deleted.
+        (WebCore::AXObjectCache::nextWordBoundary): Deleted.
+        (WebCore::AXObjectCache::previousWordBoundary): Deleted.
+        * accessibility/AXObjectCache.h:
+        * accessibility/mac/WebAccessibilityObjectWrapperMac.mm:
+        (-[WebAccessibilityObjectWrapper accessibilityAttributeValue:forParameter:]):
+        * editing/VisibleUnits.cpp:
+        (WebCore::startWordBoundary):
+        (WebCore::startOfWord):
+        (WebCore::endWordBoundary):
+        (WebCore::startSentenceBoundary):
+        (WebCore::startOfSentence):
+        (WebCore::endSentenceBoundary):
+        * editing/VisibleUnits.h:
+
 2016-02-17  Manuel Rego Casasnovas  <r...@igalia.com>
 
         [css-grid] GridSpan refactoring

Modified: trunk/Source/WebCore/accessibility/AXObjectCache.cpp (196698 => 196699)


--- trunk/Source/WebCore/accessibility/AXObjectCache.cpp	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Source/WebCore/accessibility/AXObjectCache.cpp	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1609,7 +1609,7 @@
     return replacedNode->parentNode();
 }
 
-static void setRangeStartOrEndWithCharacterOffset(RefPtr<Range> range, CharacterOffset& characterOffset, bool isStart, ExceptionCode& ec)
+static void setRangeStartOrEndWithCharacterOffset(RefPtr<Range> range, const CharacterOffset& characterOffset, bool isStart, ExceptionCode& ec)
 {
     if (!range) {
         ec = RangeError;
@@ -1738,11 +1738,11 @@
                 charOffset = characterOffsetForNodeAndOffset(*domNode, 0, TraverseOptionToNodeEnd);
             } else
                 return CharacterOffset();
-            if (!offset)
+            if (charOffset.offset == offset)
                 break;
         }
         if (offset > 0)
-            charOffset = characterOffsetForNodeAndOffset(*charOffset.node, charOffset.offset - offset);
+            charOffset = characterOffsetForNodeAndOffset(*charOffset.node, charOffset.offset - offset, TraverseOptionIncludeStart);
         return charOffset;
     }
     
@@ -1919,33 +1919,6 @@
     return characterOffsetForNodeAndOffset(*characterOffset.node, characterOffset.offset - 1, ignoreStart ? TraverseOptionDefault : TraverseOptionIncludeStart);
 }
 
-static unsigned startWordBoundary(StringView text, unsigned offset, BoundarySearchContextAvailability mayHaveMoreContext, bool& needMoreContext)
-{
-    ASSERT(offset);
-    if (mayHaveMoreContext && !startOfLastWordBoundaryContext(text.substring(0, offset))) {
-        needMoreContext = true;
-        return 0;
-    }
-    needMoreContext = false;
-    int start, end;
-    U16_BACK_1(text, 0, offset);
-    findWordBoundary(text, offset, &start, &end);
-    return start;
-}
-
-static unsigned endWordBoundary(StringView text, unsigned offset, BoundarySearchContextAvailability mayHaveMoreContext, bool& needMoreContext)
-{
-    ASSERT(offset <= text.length());
-    if (mayHaveMoreContext && endOfFirstWordBoundaryContext(text.substring(offset)) == text.length() - offset) {
-        needMoreContext = true;
-        return text.length();
-    }
-    needMoreContext = false;
-    int end;
-    findEndWordBoundary(text, offset, &end);
-    return end;
-}
-
 CharacterOffset AXObjectCache::startCharacterOffsetOfWord(const CharacterOffset& characterOffset, EWordSide side)
 {
     if (characterOffset.isNull())
@@ -1962,7 +1935,7 @@
             return characterOffset;
     }
     
-    return previousWordBoundary(c, startWordBoundary);
+    return previousBoundary(c, startWordBoundary);
 }
 
 CharacterOffset AXObjectCache::endCharacterOffsetOfWord(const CharacterOffset& characterOffset, EWordSide side)
@@ -1981,7 +1954,7 @@
             return characterOffset;
     }
     
-    return nextWordBoundary(c, endWordBoundary);
+    return nextBoundary(c, endWordBoundary);
 }
 
 CharacterOffset AXObjectCache::previousWordStartCharacterOffset(const CharacterOffset& characterOffset)
@@ -2010,7 +1983,7 @@
 
 RefPtr<Range> AXObjectCache::leftWordRange(const CharacterOffset& characterOffset)
 {
-    CharacterOffset start = previousWordStartCharacterOffset(characterOffset);
+    CharacterOffset start = startCharacterOffsetOfWord(characterOffset, LeftWordIfOnBoundary);
     CharacterOffset end = endCharacterOffsetOfWord(start);
     return rangeForUnorderedCharacterOffsets(start, end);
 }
@@ -2018,7 +1991,7 @@
 RefPtr<Range> AXObjectCache::rightWordRange(const CharacterOffset& characterOffset)
 {
     CharacterOffset start = startCharacterOffsetOfWord(characterOffset);
-    CharacterOffset end = nextWordEndCharacterOffset(start);
+    CharacterOffset end = endCharacterOffsetOfWord(start);
     return rangeForUnorderedCharacterOffsets(start, end);
 }
 
@@ -2043,7 +2016,15 @@
 {
     return characterForCharacterOffset(characterOffset);
 }
+
+static bool characterOffsetNodeIsBR(const CharacterOffset& characterOffset)
+{
+    if (characterOffset.isNull())
+        return false;
     
+    return characterOffset.node->hasTagName(brTag);
+}
+    
 static Node* parentEditingBoundary(Node* node)
 {
     if (!node)
@@ -2060,7 +2041,7 @@
     return boundary;
 }
 
-CharacterOffset AXObjectCache::nextWordBoundary(CharacterOffset& characterOffset, BoundarySearchFunction searchFunction)
+CharacterOffset AXObjectCache::nextBoundary(const CharacterOffset& characterOffset, BoundarySearchFunction searchFunction)
 {
     if (characterOffset.isNull())
         return CharacterOffset();
@@ -2092,13 +2073,18 @@
     
     if (it.atEnd() && next == string.size())
         return end;
+    
+    // The endSentenceBoundary function will include a line break at the end of the sentence.
+    if (searchFunction == endSentenceBoundary && string[next - 1] == '\n')
+        next--;
+    
     if (next > prefixLength)
         return characterOffsetForNodeAndOffset(*characterOffset.node, characterOffset.offset + next - prefixLength);
     
     return characterOffset;
 }
 
-CharacterOffset AXObjectCache::previousWordBoundary(CharacterOffset& characterOffset, BoundarySearchFunction searchFunction)
+CharacterOffset AXObjectCache::previousBoundary(const CharacterOffset& characterOffset, BoundarySearchFunction searchFunction)
 {
     if (characterOffset.isNull())
         return CharacterOffset();
@@ -2141,6 +2127,9 @@
     }
     
     int characterCount = characterOffset.offset - (string.size() - suffixLength - next);
+    // We don't want to go to the previous node if the node is at the start of a new line.
+    if (characterCount < 0 && (characterOffsetNodeIsBR(characterOffset) || string[string.size() - 1] == '\n'))
+        characterCount = 0;
     return characterOffsetForNodeAndOffset(*characterOffset.node, characterCount, TraverseOptionIncludeStart);
 }
 
@@ -2198,7 +2187,7 @@
 RefPtr<Range> AXObjectCache::paragraphForCharacterOffset(const CharacterOffset& characterOffset)
 {
     CharacterOffset start = startCharacterOffsetOfParagraph(characterOffset);
-    CharacterOffset end = endCharacterOffsetOfParagraph(characterOffset);
+    CharacterOffset end = endCharacterOffsetOfParagraph(start);
     
     return rangeForUnorderedCharacterOffsets(start, end);
 }
@@ -2206,15 +2195,62 @@
 CharacterOffset AXObjectCache::nextParagraphEndCharacterOffset(const CharacterOffset& characterOffset)
 {
     // make sure we move off of a paragraph end
-    return endCharacterOffsetOfParagraph(nextCharacterOffset(characterOffset));
+    CharacterOffset next = nextCharacterOffset(characterOffset);
+    
+    // We should skip the following BR node.
+    if (characterOffsetNodeIsBR(next) && !characterOffsetNodeIsBR(characterOffset))
+        next = nextCharacterOffset(next);
+    
+    return endCharacterOffsetOfParagraph(next);
 }
 
 CharacterOffset AXObjectCache::previousParagraphStartCharacterOffset(const CharacterOffset& characterOffset)
 {
     // make sure we move off of a paragraph start
-    return startCharacterOffsetOfParagraph(previousCharacterOffset(characterOffset, false));
+    CharacterOffset previous = previousCharacterOffset(characterOffset, false);
+    
+    // We should skip the preceding BR node.
+    if (characterOffsetNodeIsBR(previous) && !characterOffsetNodeIsBR(characterOffset))
+        previous = previousCharacterOffset(previous, false);
+    
+    return startCharacterOffsetOfParagraph(previous);
 }
 
+CharacterOffset AXObjectCache::startCharacterOffsetOfSentence(const CharacterOffset& characterOffset)
+{
+    return previousBoundary(characterOffset, startSentenceBoundary);
+}
+
+CharacterOffset AXObjectCache::endCharacterOffsetOfSentence(const CharacterOffset& characterOffset)
+{
+    return nextBoundary(characterOffset, endSentenceBoundary);
+}
+
+RefPtr<Range> AXObjectCache::sentenceForCharacterOffset(const CharacterOffset& characterOffset)
+{
+    CharacterOffset start = startCharacterOffsetOfSentence(characterOffset);
+    CharacterOffset end = endCharacterOffsetOfSentence(start);
+    return rangeForUnorderedCharacterOffsets(start, end);
+}
+
+CharacterOffset AXObjectCache::nextSentenceEndCharacterOffset(const CharacterOffset& characterOffset)
+{
+    // Make sure we move off of a sentence end.
+    return endCharacterOffsetOfSentence(nextCharacterOffset(characterOffset));
+}
+
+CharacterOffset AXObjectCache::previousSentenceStartCharacterOffset(const CharacterOffset& characterOffset)
+{
+    // Make sure we move off of a sentence start.
+    CharacterOffset previous = previousCharacterOffset(characterOffset, false);
+    
+    // We should skip the preceding BR node.
+    if (!previous.isNull() && previous.node->hasTagName(brTag) && !characterOffset.node->hasTagName(brTag))
+        previous = previousCharacterOffset(previous, false);
+    
+    return startCharacterOffsetOfSentence(previous);
+}
+
 const Element* AXObjectCache::rootAXEditableElement(const Node* node)
 {
     const Element* result = node->rootEditableElement();

Modified: trunk/Source/WebCore/accessibility/AXObjectCache.h (196698 => 196699)


--- trunk/Source/WebCore/accessibility/AXObjectCache.h	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Source/WebCore/accessibility/AXObjectCache.h	2016-02-17 18:16:50 UTC (rev 196699)
@@ -214,6 +214,11 @@
     RefPtr<Range> paragraphForCharacterOffset(const CharacterOffset&);
     CharacterOffset nextParagraphEndCharacterOffset(const CharacterOffset&);
     CharacterOffset previousParagraphStartCharacterOffset(const CharacterOffset&);
+    
+    // Sentence
+    RefPtr<Range> sentenceForCharacterOffset(const CharacterOffset&);
+    CharacterOffset nextSentenceEndCharacterOffset(const CharacterOffset&);
+    CharacterOffset previousSentenceStartCharacterOffset(const CharacterOffset&);
 
     enum AXNotification {
         AXActiveDescendantChanged,
@@ -317,12 +322,14 @@
     UChar32 characterBefore(const CharacterOffset&);
     CharacterOffset startOrEndCharacterOffsetForRange(RefPtr<Range>, bool);
     CharacterOffset characterOffsetForNodeAndOffset(Node&, int, TraverseOption = TraverseOptionDefault);
-    CharacterOffset previousWordBoundary(CharacterOffset&, BoundarySearchFunction);
-    CharacterOffset nextWordBoundary(CharacterOffset&, BoundarySearchFunction);
+    CharacterOffset previousBoundary(const CharacterOffset&, BoundarySearchFunction);
+    CharacterOffset nextBoundary(const CharacterOffset&, BoundarySearchFunction);
     CharacterOffset startCharacterOffsetOfWord(const CharacterOffset&, EWordSide = RightWordIfOnBoundary);
     CharacterOffset endCharacterOffsetOfWord(const CharacterOffset&, EWordSide = RightWordIfOnBoundary);
     CharacterOffset startCharacterOffsetOfParagraph(const CharacterOffset&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);
     CharacterOffset endCharacterOffsetOfParagraph(const CharacterOffset&, EditingBoundaryCrossingRule = CannotCrossEditingBoundary);
+    CharacterOffset startCharacterOffsetOfSentence(const CharacterOffset&);
+    CharacterOffset endCharacterOffsetOfSentence(const CharacterOffset&);
 
 private:
     AccessibilityObject* rootWebArea();

Modified: trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm (196698 => 196699)


--- trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Source/WebCore/accessibility/mac/WebAccessibilityObjectWrapperMac.mm	2016-02-17 18:16:50 UTC (rev 196699)
@@ -4112,9 +4112,12 @@
     }
     
     if ([attribute isEqualToString:@"AXSentenceTextMarkerRangeForTextMarker"]) {
-        VisiblePosition visiblePos = [self visiblePositionForTextMarker:(textMarker)];
-        VisiblePositionRange vpRange = m_object->sentenceForPosition(visiblePos);
-        return [self textMarkerRangeFromVisiblePositions:vpRange.start endPosition:vpRange.end];
+        AXObjectCache* cache = m_object->axObjectCache();
+        if (!cache)
+            return nil;
+        CharacterOffset characterOffset = [self characterOffsetForTextMarker:textMarker];
+        RefPtr<Range> range = cache->sentenceForCharacterOffset(characterOffset);
+        return [self textMarkerRangeFromRange:range];
     }
     
     if ([attribute isEqualToString:@"AXParagraphTextMarkerRangeForTextMarker"]) {
@@ -4155,18 +4158,30 @@
     }
     
     if ([attribute isEqualToString:@"AXNextSentenceEndTextMarkerForTextMarker"]) {
-        VisiblePosition visiblePos = [self visiblePositionForTextMarker:(textMarker)];
-        return [self textMarkerForVisiblePosition:m_object->nextSentenceEndPosition(visiblePos)];
+        AXObjectCache* cache = m_object->axObjectCache();
+        if (!cache)
+            return nil;
+        CharacterOffset characterOffset = [self characterOffsetForTextMarker:textMarker];
+        CharacterOffset nextEnd = cache->nextSentenceEndCharacterOffset(characterOffset);
+        return [self textMarkerForCharacterOffset:nextEnd];
     }
     
     if ([attribute isEqualToString:@"AXPreviousSentenceStartTextMarkerForTextMarker"]) {
-        VisiblePosition visiblePos = [self visiblePositionForTextMarker:(textMarker)];
-        return [self textMarkerForVisiblePosition:m_object->previousSentenceStartPosition(visiblePos)];
+        AXObjectCache* cache = m_object->axObjectCache();
+        if (!cache)
+            return nil;
+        CharacterOffset characterOffset = [self characterOffsetForTextMarker:textMarker];
+        CharacterOffset previousStart = cache->previousSentenceStartCharacterOffset(characterOffset);
+        return [self textMarkerForCharacterOffset:previousStart];
     }
     
     if ([attribute isEqualToString:@"AXNextParagraphEndTextMarkerForTextMarker"]) {
-        VisiblePosition visiblePos = [self visiblePositionForTextMarker:(textMarker)];
-        return [self textMarkerForVisiblePosition:m_object->nextParagraphEndPosition(visiblePos)];
+        AXObjectCache* cache = m_object->axObjectCache();
+        if (!cache)
+            return nil;
+        CharacterOffset characterOffset = [self characterOffsetForTextMarker:textMarker];
+        CharacterOffset nextEnd = cache->nextParagraphEndCharacterOffset(characterOffset);
+        return [self textMarkerForCharacterOffset:nextEnd];
     }
     
     if ([attribute isEqualToString:@"AXPreviousParagraphStartTextMarkerForTextMarker"]) {

Modified: trunk/Source/WebCore/editing/VisibleUnits.cpp (196698 => 196699)


--- trunk/Source/WebCore/editing/VisibleUnits.cpp	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Source/WebCore/editing/VisibleUnits.cpp	2016-02-17 18:16:50 UTC (rev 196699)
@@ -658,7 +658,7 @@
 
 // ---------
 
-static unsigned startWordBoundary(StringView text, unsigned offset, BoundarySearchContextAvailability mayHaveMoreContext, bool& needMoreContext)
+unsigned startWordBoundary(StringView text, unsigned offset, BoundarySearchContextAvailability mayHaveMoreContext, bool& needMoreContext)
 {
     ASSERT(offset);
     if (mayHaveMoreContext && !startOfLastWordBoundaryContext(text.substring(0, offset))) {
@@ -689,7 +689,7 @@
     return previousBoundary(p, startWordBoundary);
 }
 
-static unsigned endWordBoundary(StringView text, unsigned offset, BoundarySearchContextAvailability mayHaveMoreContext, bool& needMoreContext)
+unsigned endWordBoundary(StringView text, unsigned offset, BoundarySearchContextAvailability mayHaveMoreContext, bool& needMoreContext)
 {
     ASSERT(offset <= text.length());
     if (mayHaveMoreContext && endOfFirstWordBoundaryContext(text.substring(offset)) == text.length() - offset) {
@@ -1096,7 +1096,7 @@
 
 // ---------
 
-static unsigned startSentenceBoundary(StringView text, unsigned, BoundarySearchContextAvailability, bool&)
+unsigned startSentenceBoundary(StringView text, unsigned, BoundarySearchContextAvailability, bool&)
 {
     // FIXME: The following function can return -1; we don't handle that.
     return textBreakPreceding(sentenceBreakIterator(text), text.length());
@@ -1107,7 +1107,7 @@
     return previousBoundary(position, startSentenceBoundary);
 }
 
-static unsigned endSentenceBoundary(StringView text, unsigned, BoundarySearchContextAvailability, bool&)
+unsigned endSentenceBoundary(StringView text, unsigned, BoundarySearchContextAvailability, bool&)
 {
     return textBreakNext(sentenceBreakIterator(text));
 }

Modified: trunk/Source/WebCore/editing/VisibleUnits.h (196698 => 196699)


--- trunk/Source/WebCore/editing/VisibleUnits.h	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Source/WebCore/editing/VisibleUnits.h	2016-02-17 18:16:50 UTC (rev 196699)
@@ -112,6 +112,10 @@
 // helper function
 enum BoundarySearchContextAvailability { DontHaveMoreContext, MayHaveMoreContext };
 typedef unsigned (*BoundarySearchFunction)(StringView, unsigned offset, BoundarySearchContextAvailability, bool& needMoreContext);
+unsigned startWordBoundary(StringView, unsigned, BoundarySearchContextAvailability, bool&);
+unsigned endWordBoundary(StringView, unsigned, BoundarySearchContextAvailability, bool&);
+unsigned startSentenceBoundary(StringView, unsigned, BoundarySearchContextAvailability, bool&);
+unsigned endSentenceBoundary(StringView, unsigned, BoundarySearchContextAvailability, bool&);
 unsigned suffixLengthForRange(RefPtr<Range>, Vector<UChar, 1024>&);
 unsigned prefixLengthForRange(RefPtr<Range>, Vector<UChar, 1024>&);
 unsigned backwardSearchForBoundaryWithTextIterator(SimplifiedBackwardsTextIterator&, Vector<UChar, 1024>&, unsigned, BoundarySearchFunction);

Modified: trunk/Tools/ChangeLog (196698 => 196699)


--- trunk/Tools/ChangeLog	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/ChangeLog	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1,3 +1,55 @@
+2016-02-17  Nan Wang  <n_w...@apple.com>
+
+        AX: Implement sentence related text marker functions using TextIterator
+        https://bugs.webkit.org/show_bug.cgi?id=154312
+
+        Reviewed by Chris Fleizach.
+
+        * DumpRenderTree/AccessibilityUIElement.cpp:
+        (nextParagraphEndTextMarkerForTextMarkerCallback):
+        (sentenceTextMarkerRangeForTextMarkerCallback):
+        (previousSentenceStartTextMarkerForTextMarkerCallback):
+        (nextSentenceEndTextMarkerForTextMarkerCallback):
+        (setSelectedVisibleTextRangeCallback):
+        (AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
+        (AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
+        (AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
+        (AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
+        (AccessibilityUIElement::getJSClass):
+        * DumpRenderTree/AccessibilityUIElement.h:
+        * DumpRenderTree/ios/AccessibilityUIElementIOS.mm:
+        (AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
+        (AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
+        (AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
+        (AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
+        * DumpRenderTree/mac/AccessibilityUIElementMac.mm:
+        (AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
+        (AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
+        (AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
+        (AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
+        (AccessibilityUIElement::supportedActions):
+        * WebKitTestRunner/InjectedBundle/AccessibilityUIElement.cpp:
+        (WTR::AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker):
+        (WTR::AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
+        (WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
+        * WebKitTestRunner/InjectedBundle/AccessibilityUIElement.h:
+        * WebKitTestRunner/InjectedBundle/Bindings/AccessibilityUIElement.idl:
+        * WebKitTestRunner/InjectedBundle/ios/AccessibilityUIElementIOS.mm:
+        (WTR::AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
+        (WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::mathPostscriptsDescription):
+        * WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm:
+        (WTR::AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker):
+        (WTR::AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker):
+        (WTR::AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker):
+        (WTR::_convertMathMultiscriptPairsToString):
+
 2016-02-15  Brent Fulgham  <bfulg...@apple.com>
 
         [Mac] Gather some rudimentary statistics during resource load 

Modified: trunk/Tools/DumpRenderTree/AccessibilityUIElement.cpp (196698 => 196699)


--- trunk/Tools/DumpRenderTree/AccessibilityUIElement.cpp	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/DumpRenderTree/AccessibilityUIElement.cpp	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1037,6 +1037,33 @@
     return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->nextParagraphEndTextMarkerForTextMarker(marker));
 }
 
+static JSValueRef sentenceTextMarkerRangeForTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    AccessibilityTextMarker* marker = nullptr;
+    if (argumentCount == 1)
+        marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
+    
+    return AccessibilityTextMarkerRange::makeJSAccessibilityTextMarkerRange(context, toAXElement(thisObject)->sentenceTextMarkerRangeForTextMarker(marker));
+}
+
+static JSValueRef previousSentenceStartTextMarkerForTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    AccessibilityTextMarker* marker = nullptr;
+    if (argumentCount == 1)
+        marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
+    
+    return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->previousSentenceStartTextMarkerForTextMarker(marker));
+}
+
+static JSValueRef nextSentenceEndTextMarkerForTextMarkerCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
+{
+    AccessibilityTextMarker* marker = nullptr;
+    if (argumentCount == 1)
+        marker = toTextMarker(JSValueToObject(context, arguments[0], exception));
+    
+    return AccessibilityTextMarker::makeJSAccessibilityTextMarker(context, toAXElement(thisObject)->nextSentenceEndTextMarkerForTextMarker(marker));
+}
+
 static JSValueRef setSelectedVisibleTextRangeCallback(JSContextRef context, JSObjectRef function, JSObjectRef thisObject, size_t argumentCount, const JSValueRef arguments[], JSValueRef* exception)
 {
     AccessibilityUIElement* uiElement = toAXElement(thisObject);
@@ -1662,6 +1689,21 @@
     return nullptr;
 }
 
+AccessibilityTextMarkerRange AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker*)
+{
+    return nullptr;
+}
+
+AccessibilityTextMarker AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker*)
+{
+    return nullptr;
+}
+
+AccessibilityTextMarker AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker*)
+{
+    return nullptr;
+}
+
 #endif
 
 // Destruction
@@ -1849,6 +1891,9 @@
         { "paragraphTextMarkerRangeForTextMarker", paragraphTextMarkerRangeForTextMarkerCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
         { "previousParagraphStartTextMarkerForTextMarker", previousParagraphStartTextMarkerForTextMarkerCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
         { "nextParagraphEndTextMarkerForTextMarker", nextParagraphEndTextMarkerForTextMarkerCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+        { "sentenceTextMarkerRangeForTextMarker", sentenceTextMarkerRangeForTextMarkerCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+        { "previousSentenceStartTextMarkerForTextMarker", previousSentenceStartTextMarkerForTextMarkerCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
+        { "nextSentenceEndTextMarkerForTextMarker", nextSentenceEndTextMarkerForTextMarkerCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
         { "setSelectedChild", setSelectedChildCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
         { "setSelectedChildAtIndex", setSelectedChildAtIndexCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },
         { "removeSelectionAtIndex", removeSelectionAtIndexCallback, kJSPropertyAttributeReadOnly | kJSPropertyAttributeDontDelete },

Modified: trunk/Tools/DumpRenderTree/AccessibilityUIElement.h (196698 => 196699)


--- trunk/Tools/DumpRenderTree/AccessibilityUIElement.h	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/DumpRenderTree/AccessibilityUIElement.h	2016-02-17 18:16:50 UTC (rev 196699)
@@ -267,6 +267,9 @@
     AccessibilityTextMarkerRange paragraphTextMarkerRangeForTextMarker(AccessibilityTextMarker*);
     AccessibilityTextMarker previousParagraphStartTextMarkerForTextMarker(AccessibilityTextMarker*);
     AccessibilityTextMarker nextParagraphEndTextMarkerForTextMarker(AccessibilityTextMarker*);
+    AccessibilityTextMarkerRange sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker*);
+    AccessibilityTextMarker previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker*);
+    AccessibilityTextMarker nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker*);
     AccessibilityTextMarkerRange selectedTextMarkerRange();
     void resetSelectedTextMarkerRange();
     bool setSelectedVisibleTextRange(AccessibilityTextMarkerRange*);

Modified: trunk/Tools/DumpRenderTree/ios/AccessibilityUIElementIOS.mm (196698 => 196699)


--- trunk/Tools/DumpRenderTree/ios/AccessibilityUIElementIOS.mm	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/DumpRenderTree/ios/AccessibilityUIElementIOS.mm	2016-02-17 18:16:50 UTC (rev 196699)
@@ -585,6 +585,21 @@
     return nullptr;
 }
 
+AccessibilityTextMarkerRange AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker*)
+{
+    return nullptr;
+}
+
+AccessibilityTextMarker AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker*)
+{
+    return nullptr;
+}
+
+AccessibilityTextMarker AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker*)
+{
+    return nullptr;
+}
+
 #endif // SUPPORTS_AX_TEXTMARKERS && PLATFORM(IOS)
 
 #pragma mark Unused

Modified: trunk/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm (196698 => 196699)


--- trunk/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/DumpRenderTree/mac/AccessibilityUIElementMac.mm	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1916,6 +1916,36 @@
     return nullptr;
 }
 
+AccessibilityTextMarkerRange AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    BEGIN_AX_OBJC_EXCEPTIONS
+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXSentenceTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
+    return AccessibilityTextMarkerRange(textMarkerRange);
+    END_AX_OBJC_EXCEPTIONS
+    
+    return nullptr;
+}
+
+AccessibilityTextMarker AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    BEGIN_AX_OBJC_EXCEPTIONS
+    id previousTextMarker = [m_element accessibilityAttributeValue:@"AXPreviousSentenceStartTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
+    return AccessibilityTextMarker(previousTextMarker);
+    END_AX_OBJC_EXCEPTIONS
+    
+    return nullptr;
+}
+
+AccessibilityTextMarker AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    BEGIN_AX_OBJC_EXCEPTIONS
+    id nextTextMarker = [m_element accessibilityAttributeValue:@"AXNextSentenceEndTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
+    return AccessibilityTextMarker(nextTextMarker);
+    END_AX_OBJC_EXCEPTIONS
+    
+    return nullptr;
+}
+
 #endif // SUPPORTS_AX_TEXTMARKERS && PLATFORM(MAC)
 
 JSStringRef AccessibilityUIElement::supportedActions()

Modified: trunk/Tools/WebKitTestRunner/InjectedBundle/AccessibilityUIElement.cpp (196698 => 196699)


--- trunk/Tools/WebKitTestRunner/InjectedBundle/AccessibilityUIElement.cpp	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/WebKitTestRunner/InjectedBundle/AccessibilityUIElement.cpp	2016-02-17 18:16:50 UTC (rev 196699)
@@ -252,6 +252,9 @@
 PassRefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::paragraphTextMarkerRangeForTextMarker(AccessibilityTextMarker*) { return nullptr; }
 PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextParagraphEndTextMarkerForTextMarker(AccessibilityTextMarker*) { return nullptr; }
 PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousParagraphStartTextMarkerForTextMarker(AccessibilityTextMarker*) { return nullptr; }
+PassRefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker*) { return nullptr; }
+PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker*) { return nullptr; }
+PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker*) { return nullptr; }
 #endif
 
 } // namespace WTR

Modified: trunk/Tools/WebKitTestRunner/InjectedBundle/AccessibilityUIElement.h (196698 => 196699)


--- trunk/Tools/WebKitTestRunner/InjectedBundle/AccessibilityUIElement.h	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/WebKitTestRunner/InjectedBundle/AccessibilityUIElement.h	2016-02-17 18:16:50 UTC (rev 196699)
@@ -258,6 +258,9 @@
     PassRefPtr<AccessibilityTextMarkerRange> paragraphTextMarkerRangeForTextMarker(AccessibilityTextMarker*);
     PassRefPtr<AccessibilityTextMarker> nextParagraphEndTextMarkerForTextMarker(AccessibilityTextMarker*);
     PassRefPtr<AccessibilityTextMarker> previousParagraphStartTextMarkerForTextMarker(AccessibilityTextMarker*);
+    PassRefPtr<AccessibilityTextMarkerRange> sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker*);
+    PassRefPtr<AccessibilityTextMarker> nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker*);
+    PassRefPtr<AccessibilityTextMarker> previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker*);
 
     // Returns an ordered list of supported actions for an element.
     JSRetainPtr<JSStringRef> supportedActions() const;

Modified: trunk/Tools/WebKitTestRunner/InjectedBundle/Bindings/AccessibilityUIElement.idl (196698 => 196699)


--- trunk/Tools/WebKitTestRunner/InjectedBundle/Bindings/AccessibilityUIElement.idl	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/WebKitTestRunner/InjectedBundle/Bindings/AccessibilityUIElement.idl	2016-02-17 18:16:50 UTC (rev 196699)
@@ -208,6 +208,9 @@
     AccessibilityTextMarkerRange paragraphTextMarkerRangeForTextMarker(AccessibilityTextMarker textMarker);
     AccessibilityTextMarker previousParagraphStartTextMarkerForTextMarker(AccessibilityTextMarker textMarker);
     AccessibilityTextMarker nextParagraphEndTextMarkerForTextMarker(AccessibilityTextMarker textMarker);
+    AccessibilityTextMarkerRange sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker textMarker);
+    AccessibilityTextMarker previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker textMarker);
+    AccessibilityTextMarker nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker textMarker);
 
     // Returns an ordered list of supported actions for an element.
     readonly attribute DOMString supportedActions;

Modified: trunk/Tools/WebKitTestRunner/InjectedBundle/ios/AccessibilityUIElementIOS.mm (196698 => 196699)


--- trunk/Tools/WebKitTestRunner/InjectedBundle/ios/AccessibilityUIElementIOS.mm	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/WebKitTestRunner/InjectedBundle/ios/AccessibilityUIElementIOS.mm	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1131,6 +1131,21 @@
     return nullptr;
 }
 
+PassRefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    return nullptr;
+}
+
+PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    return nullptr;
+}
+
+PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    return nullptr;
+}
+
 JSRetainPtr<JSStringRef> AccessibilityUIElement::mathPostscriptsDescription() const
 {
     return 0;

Modified: trunk/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm (196698 => 196699)


--- trunk/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm	2016-02-17 18:15:57 UTC (rev 196698)
+++ trunk/Tools/WebKitTestRunner/InjectedBundle/mac/AccessibilityUIElementMac.mm	2016-02-17 18:16:50 UTC (rev 196699)
@@ -1943,6 +1943,36 @@
     return nullptr;
 }
 
+PassRefPtr<AccessibilityTextMarkerRange> AccessibilityUIElement::sentenceTextMarkerRangeForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    BEGIN_AX_OBJC_EXCEPTIONS
+    id textMarkerRange = [m_element accessibilityAttributeValue:@"AXSentenceTextMarkerRangeForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
+    return AccessibilityTextMarkerRange::create(textMarkerRange);
+    END_AX_OBJC_EXCEPTIONS
+    
+    return nullptr;
+}
+
+PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::previousSentenceStartTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    BEGIN_AX_OBJC_EXCEPTIONS
+    id previousParagraphStartMarker = [m_element accessibilityAttributeValue:@"AXPreviousSentenceStartTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
+    return AccessibilityTextMarker::create(previousParagraphStartMarker);
+    END_AX_OBJC_EXCEPTIONS
+    
+    return nullptr;
+}
+
+PassRefPtr<AccessibilityTextMarker> AccessibilityUIElement::nextSentenceEndTextMarkerForTextMarker(AccessibilityTextMarker* textMarker)
+{
+    BEGIN_AX_OBJC_EXCEPTIONS
+    id nextParagraphEndMarker = [m_element accessibilityAttributeValue:@"AXNextSentenceEndTextMarkerForTextMarker" forParameter:(id)textMarker->platformTextMarker()];
+    return AccessibilityTextMarker::create(nextParagraphEndMarker);
+    END_AX_OBJC_EXCEPTIONS
+    
+    return nullptr;
+}
+
 static NSString *_convertMathMultiscriptPairsToString(NSArray *pairs)
 {
     __block NSMutableString *result = [NSMutableString string];
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