WebCore/wml/WMLElement.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/WebCore/wml/WMLElement.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,127 @@
+/*
+ * Copyright (C) 2008 Torch Mobile Inc. All rights reserved. (http://www.torchmobile.com/)
+ *
+ * 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"
+
+#if ENABLE(WML)
+#include "WMLElement.h"
+
+#include "Attribute.h"
+#include "CSSPropertyNames.h"
+#include "HTMLNames.h"
+#include "RenderObject.h"
+#include "WMLErrorHandling.h"
+#include "WMLNames.h"
+#include "WMLVariables.h"
+
+using std::max;
+using std::min;
+
+namespace WebCore {
+
+using namespace WMLNames;
+
+WMLElement::WMLElement(const QualifiedName& tagName, Document* document)
+    : StyledElement(tagName, document, CreateStyledElementZeroRefCount)
+{
+}
+
+PassRefPtr<WMLElement> WMLElement::create(const QualifiedName& tagName, Document* document)
+{
+    return new WMLElement(tagName, document);
+}
+
+bool WMLElement::mapToEntry(const QualifiedName& attrName, MappedAttributeEntry& result) const
+{
+    if (attrName == HTMLNames::alignAttr) {
+        result = eUniversal;
+        return false;
+    }
+
+    return StyledElement::mapToEntry(attrName, result);
+}
+    
+void WMLElement::parseMappedAttribute(Attribute* attr)
+{
+    if (isIdAttributeName(attr->name())
+        || attr->name() == HTMLNames::classAttr
+        || attr->name() == HTMLNames::styleAttr)
+        return StyledElement::parseMappedAttribute(attr);
+
+    if (attr->name() == HTMLNames::alignAttr) {
+        if (equalIgnoringCase(attr->value(), "middle"))
+            addCSSProperty(attr, CSSPropertyTextAlign, "center");
+        else
+            addCSSProperty(attr, CSSPropertyTextAlign, attr->value());
+    } else if (attr->name() == HTMLNames::tabindexAttr) {
+        String indexstring = attr->value();
+        if (indexstring.length()) {
+            bool parsedOK;
+            int tabindex = indexstring.toIntStrict(&parsedOK);
+            if (parsedOK)
+                // Clamp tabindex to the range of 'short' to match Firefox's behavior.
+                setTabIndexExplicitly(max(static_cast<int>(std::numeric_limits<short>::min()), min(tabindex, static_cast<int>(std::numeric_limits<short>::max()))));
+        }
+    }
+}
+
+String WMLElement::title() const
+{
+    return parseValueSubstitutingVariableReferences(getAttribute(HTMLNames::titleAttr));
+}
+
+bool WMLElement::rendererIsNeeded(RenderStyle* style)
+{
+    return document()->documentElement() == this || style->display() != NONE;
+}
+
+RenderObject* WMLElement::createRenderer(RenderArena*, RenderStyle* style)
+{
+    return RenderObject::createObject(this, style);
+}
+
+String WMLElement::parseValueSubstitutingVariableReferences(const AtomicString& value, WMLErrorCode defaultErrorCode) const
+{
+    bool isValid = false;
+    if (!containsVariableReference(value, isValid))
+        return value;
+
+    if (!isValid) {
+        reportWMLError(document(), defaultErrorCode);
+        return String();
+    }
+
+    return substituteVariableReferences(value, document());
+}
+
+String WMLElement::parseValueForbiddingVariableReferences(const AtomicString& value) const
+{
+    bool isValid = false;
+    if (containsVariableReference(value, isValid)) {
+        reportWMLError(document(), WMLErrorInvalidVariableReferenceLocation);
+        return String();
+    }
+
+    return value;
+}
+
+}
+
+#endif