Remove lots of Text APIs.

sky/engine/core/dom/Text.cpp

Index: sky/engine/core/dom/Text.cpp
diff --git a/sky/engine/core/dom/Text.cpp b/sky/engine/core/dom/Text.cpp
index b010c4969c9c8564eef200a5777c31970316919f..9d91a66d9e4c05c630131d6f08e965807495ef82 100644
--- a/sky/engine/core/dom/Text.cpp
+++ b/sky/engine/core/dom/Text.cpp
@@ -48,55 +48,6 @@ PassRefPtr<Text> Text::createEditingText(Document& document, const String& data)
     return adoptRef(new Text(document, data, CreateEditingText));
 }
 
-PassRefPtr<Node> Text::mergeNextSiblingNodesIfPossible()
-{
-    RefPtr<Node> protect(this);
-
-    // Remove empty text nodes.
-    if (!length()) {
-        // Care must be taken to get the next node before removing the current node.
-        RefPtr<Node> nextNode(NodeTraversal::nextPostOrder(*this));
-        remove(IGNORE_EXCEPTION);
-        return nextNode.release();
-    }
-
-    // Merge text nodes.
-    while (Node* nextSibling = this->nextSibling()) {
-        if (nextSibling->nodeType() != TEXT_NODE)
-            break;
-
-        RefPtr<Text> nextText = toText(nextSibling);
-
-        // Remove empty text nodes.
-        if (!nextText->length()) {
-            nextText->remove(IGNORE_EXCEPTION);
-            continue;
-        }
-
-        // Both non-empty text nodes. Merge them.
-        unsigned offset = length();
-        String nextTextData = nextText->data();
-        String oldTextData = data();
-        setDataWithoutUpdate(data() + nextTextData);
-        updateTextRenderer(oldTextData.length(), 0);
-
-        // Empty nextText for layout update.
-        nextText->setDataWithoutUpdate(emptyString());
-        nextText->updateTextRenderer(0, nextTextData.length());
-
-        document().didMergeTextNodes(*nextText, offset);
-
-        // Restore nextText for mutation event.
-        nextText->setDataWithoutUpdate(nextTextData);
-        nextText->updateTextRenderer(0, 0);
-
-        didModifyData(oldTextData);
-        nextText->remove(IGNORE_EXCEPTION);
-    }
-
-    return NodeTraversal::nextPostOrder(*this);
-}
-
 PassRefPtr<Text> Text::splitText(unsigned offset, ExceptionState& exceptionState)
 {
     // IndexSizeError: Raised if the specified offset is negative or greater than
@@ -127,96 +78,6 @@ PassRefPtr<Text> Text::splitText(unsigned offset, ExceptionState& exceptionState
     return newText.release();
 }
 
-static const Text* earliestLogicallyAdjacentTextNode(const Text* t)
-{
-    for (const Node* n = t->previousSibling(); n; n = n->previousSibling()) {
-        Node::NodeType type = n->nodeType();
-        if (type == Node::TEXT_NODE) {
-            t = toText(n);
-            continue;
-        }
-
-        break;
-    }
-    return t;
-}
-
-static const Text* latestLogicallyAdjacentTextNode(const Text* t)
-{
-    for (const Node* n = t->nextSibling(); n; n = n->nextSibling()) {
-        Node::NodeType type = n->nodeType();
-        if (type == Node::TEXT_NODE) {
-            t = toText(n);
-            continue;
-        }
-
-        break;
-    }
-    return t;
-}
-
-String Text::wholeText() const
-{
-    const Text* startText = earliestLogicallyAdjacentTextNode(this);
-    const Text* endText = latestLogicallyAdjacentTextNode(this);
-
-    Node* onePastEndText = endText->nextSibling();
-    unsigned resultLength = 0;
-    for (const Node* n = startText; n != onePastEndText; n = n->nextSibling()) {
-        if (!n->isTextNode())
-            continue;
-        const String& data = toText(n)->data();
-        if (std::numeric_limits<unsigned>::max() - data.length() < resultLength)
-            CRASH();
-        resultLength += data.length();
-    }
-    StringBuilder result;
-    result.reserveCapacity(resultLength);
-    for (const Node* n = startText; n != onePastEndText; n = n->nextSibling()) {
-        if (!n->isTextNode())
-            continue;
-        result.append(toText(n)->data());
-    }
-    ASSERT(result.length() == resultLength);
-
-    return result.toString();
-}
-
-PassRefPtr<Text> Text::replaceWholeText(const String& newText)
-{
-    // Remove all adjacent text nodes, and replace the contents of this one.
-
-    // Protect startText and endText against mutation event handlers removing the last ref
-    RefPtr<Text> startText = const_cast<Text*>(earliestLogicallyAdjacentTextNode(this));
-    RefPtr<Text> endText = const_cast<Text*>(latestLogicallyAdjacentTextNode(this));
-
-    RefPtr<Text> protectedThis(this); // Mutation event handlers could cause our last ref to go away
-    RefPtr<ContainerNode> parent = parentNode(); // Protect against mutation handlers moving this node during traversal
-    for (RefPtr<Node> n = startText; n && n != this && n->isTextNode() && n->parentNode() == parent;) {
-        RefPtr<Node> nodeToRemove(n.release());
-        n = nodeToRemove->nextSibling();
-        parent->removeChild(nodeToRemove.get(), IGNORE_EXCEPTION);
-    }
-
-    if (this != endText) {
-        Node* onePastEndText = endText->nextSibling();
-        for (RefPtr<Node> n = nextSibling(); n && n != onePastEndText && n->isTextNode() && n->parentNode() == parent;) {
-            RefPtr<Node> nodeToRemove(n.release());
-            n = nodeToRemove->nextSibling();
-            parent->removeChild(nodeToRemove.get(), IGNORE_EXCEPTION);
-        }
-    }
-
-    if (newText.isEmpty()) {
-        if (parent && parentNode() == parent)
-            parent->removeChild(this, IGNORE_EXCEPTION);
-        return nullptr;
-    }
-
-    setData(newText);
-    return protectedThis.release();
-}
-
 String Text::nodeName() const
 {
     return "#text";