external/webkit r30707

1 files changed, 195 insertions, 0 deletions

diff --git a/WebCore/dom/Attr.cpp b/WebCore/dom/Attr.cpp
new file mode 100644
index 0000000..52a2581
--- /dev/null
+++ b/WebCore/dom/Attr.cpp
@@ -0,0 +1,195 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Peter Kelly (pmk@post.com)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007 Apple Inc. 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
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB.  If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#include "config.h"
+#include "Attr.h"
+
+#include "Document.h"
+#include "Element.h"
+#include "ExceptionCode.h"
+#include "Text.h"
+
+namespace WebCore {
+
+Attr::Attr(Element* element, Document* docPtr, PassRefPtr<Attribute> a)
+    : ContainerNode(docPtr),
+      m_element(element),
+      m_attribute(a),
+      m_ignoreChildrenChanged(0)
+{
+    ASSERT(!m_attribute->attr());
+    m_attribute->m_impl = this;
+    m_attrWasSpecifiedOrElementHasRareData = true;
+}
+
+Attr::~Attr()
+{
+    ASSERT(m_attribute->attr() == this);
+    m_attribute->m_impl = 0;
+}
+
+void Attr::createTextChild()
+{
+    ASSERT(refCount());
+    if (!m_attribute->value().isEmpty()) {
+        RefPtr<Text> textNode = document()->createTextNode(m_attribute->value().string());
+
+        // This does everything appendChild() would do in this situation (assuming m_ignoreChildrenChanged was set),
+        // but much more efficiently.
+        textNode->setParent(this);
+        setFirstChild(textNode.get());
+        setLastChild(textNode.get());
+    }
+}
+
+String Attr::nodeName() const
+{
+    return name();
+}
+
+Node::NodeType Attr::nodeType() const
+{
+    return ATTRIBUTE_NODE;
+}
+
+const AtomicString& Attr::localName() const
+{
+    return m_attribute->localName();
+}
+
+const AtomicString& Attr::namespaceURI() const
+{
+    return m_attribute->namespaceURI();
+}
+
+const AtomicString& Attr::prefix() const
+{
+    return m_attribute->prefix();
+}
+
+void Attr::setPrefix(const AtomicString &_prefix, ExceptionCode& ec)
+{
+    ec = 0;
+    checkSetPrefix(_prefix, ec);
+    if (ec)
+        return;
+
+    m_attribute->setPrefix(_prefix);
+}
+
+String Attr::nodeValue() const
+{
+    return value();
+}
+
+void Attr::setValue( const String& v, ExceptionCode& ec)
+{
+    ec = 0;
+
+    // do not interprete entities in the string, its literal!
+
+    // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly
+    if (isReadOnlyNode()) {
+        ec = NO_MODIFICATION_ALLOWED_ERR;
+        return;
+    }
+
+    int e = 0;
+    m_ignoreChildrenChanged++;
+    removeChildren();
+    appendChild(document()->createTextNode(v), e);
+    m_ignoreChildrenChanged--;
+    
+    m_attribute->setValue(v.impl());
+    if (m_element)
+        m_element->attributeChanged(m_attribute.get());
+}
+
+void Attr::setNodeValue(const String& v, ExceptionCode& ec)
+{
+    // NO_MODIFICATION_ALLOWED_ERR: taken care of by setValue()
+    setValue(v, ec);
+}
+
+PassRefPtr<Node> Attr::cloneNode(bool /*deep*/)
+{
+    RefPtr<Attr> clone = new Attr(0, document(), m_attribute->clone());
+    cloneChildNodes(clone.get());
+    return clone.release();
+}
+
+// DOM Section 1.1.1
+bool Attr::childTypeAllowed(NodeType type)
+{
+    switch (type) {
+        case TEXT_NODE:
+        case ENTITY_REFERENCE_NODE:
+            return true;
+        default:
+            return false;
+    }
+}
+
+void Attr::childrenChanged(bool changedByParser, Node* beforeChange, Node* afterChange, int childCountDelta)
+{
+    if (m_ignoreChildrenChanged > 0)
+        return;
+ 
+    Node::childrenChanged(changedByParser, beforeChange, afterChange, childCountDelta);
+
+    // FIXME: We should include entity references in the value
+    
+    String val = "";
+    for (Node *n = firstChild(); n; n = n->nextSibling()) {
+        if (n->isTextNode())
+            val += static_cast<Text *>(n)->data();
+    }
+    
+    m_attribute->setValue(val.impl());
+    if (m_element)
+        m_element->attributeChanged(m_attribute.get());
+}
+
+String Attr::toString() const
+{
+    String result;
+
+    result += nodeName();
+
+    // FIXME: substitute entities for any instances of " or ' --
+    // maybe easier to just use text value and ignore existing
+    // entity refs?
+
+    if (firstChild() != NULL) {
+        result += "=\"";
+
+        for (Node *child = firstChild(); child != NULL; child = child->nextSibling()) {
+            result += child->toString();
+        }
+        
+        result += "\"";
+    }
+
+    return result;
+}
+
+}