external/webkit r30707

1 files changed, 396 insertions, 0 deletions

diff --git a/WebCore/dom/DOMImplementation.cpp b/WebCore/dom/DOMImplementation.cpp
new file mode 100644
index 0000000..db277d5
--- /dev/null
+++ b/WebCore/dom/DOMImplementation.cpp
@@ -0,0 +1,396 @@
+/*
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.org)
+ *           (C) 2001 Dirk Mueller (mueller@kde.org)
+ * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ * Copyright (C) 2006 Samuel Weinig (sam@webkit.org)
+ *
+ * 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 "DOMImplementation.h"
+
+#include "CSSStyleSheet.h"
+#include "DocumentType.h"
+#include "Element.h"
+#include "ExceptionCode.h"
+#include "Frame.h"
+#include "FTPDirectoryDocument.h"
+#include "HTMLDocument.h"
+#include "HTMLNames.h"
+#include "HTMLViewSourceDocument.h"
+#include "Image.h"
+#include "ImageDocument.h"
+#include "MediaList.h"
+#include "MIMETypeRegistry.h"
+#include "Page.h"
+#include "PluginDocument.h"
+#include "PluginInfoStore.h"
+#include "RegularExpression.h"
+#include "Settings.h"
+#include "TextDocument.h"
+#include "XMLNames.h"
+
+#if ENABLE(SVG)
+#include "SVGNames.h"
+#include "SVGDocument.h"
+#endif
+
+namespace WebCore {
+
+// FIXME: An implementation of this is still waiting for me to understand the distinction between
+// a "malformed" qualified name and one with bad characters in it. For example, is a second colon
+// an illegal character or a malformed qualified name? This will determine both what parameters
+// this function needs to take and exactly what it will do. Should also be exported so that
+// Element can use it too.
+static bool qualifiedNameIsMalformed(const String&)
+{
+    return false;
+}
+
+#if ENABLE(SVG)
+
+static void addString(HashSet<String, CaseFoldingHash>& set, const char* string)
+{
+    set.add(string);
+}
+
+static bool isSVG10Feature(const String &feature)
+{
+    static bool initialized = false;
+    static HashSet<String, CaseFoldingHash> svgFeatures;
+    if (!initialized) {
+#if ENABLE(SVG_USE) && ENABLE(SVG_FOREIGN_OBJECT) && ENABLE(SVG_FILTER) && ENABLE(SVG_FONTS)
+        addString(svgFeatures, "svg");
+        addString(svgFeatures, "svg.static");
+#endif
+//      addString(svgFeatures, "svg.animation");
+//      addString(svgFeatures, "svg.dynamic");
+//      addString(svgFeatures, "svg.dom.animation");
+//      addString(svgFeatures, "svg.dom.dynamic");
+#if ENABLE(SVG_USE) && ENABLE(SVG_FOREIGN_OBJECT) && ENABLE(SVG_FILTER) && ENABLE(SVG_FONTS)
+        addString(svgFeatures, "dom");
+        addString(svgFeatures, "dom.svg");
+        addString(svgFeatures, "dom.svg.static");
+#endif
+//      addString(svgFeatures, "svg.all");
+//      addString(svgFeatures, "dom.svg.all");
+        initialized = true;
+    }
+    return svgFeatures.contains(feature);
+}
+
+static bool isSVG11Feature(const String &feature)
+{
+    static bool initialized = false;
+    static HashSet<String, CaseFoldingHash> svgFeatures;
+    if (!initialized) {
+        // Sadly, we cannot claim to implement any of the SVG 1.1 generic feature sets
+        // lack of Font and Filter support.
+        // http://bugs.webkit.org/show_bug.cgi?id=15480
+#if ENABLE(SVG_USE) && ENABLE(SVG_FOREIGN_OBJECT) && ENABLE(SVG_FILTER) && ENABLE(SVG_FONTS)
+        addString(svgFeatures, "SVG");
+        addString(svgFeatures, "SVGDOM");
+        addString(svgFeatures, "SVG-static");
+        addString(svgFeatures, "SVGDOM-static");
+#endif
+//      addString(svgFeatures, "SVG-animation);
+//      addString(svgFeatures, "SVGDOM-animation);
+//      addString(svgFeatures, "SVG-dynamic);
+//      addString(svgFeatures, "SVGDOM-dynamic);
+        addString(svgFeatures, "CoreAttribute");
+#if ENABLE(SVG_USE)
+        addString(svgFeatures, "Structure");
+        addString(svgFeatures, "BasicStructure");
+#endif
+        addString(svgFeatures, "ContainerAttribute");
+        addString(svgFeatures, "ConditionalProcessing");
+        addString(svgFeatures, "Image");
+        addString(svgFeatures, "Style");
+        addString(svgFeatures, "ViewportAttribute");
+        addString(svgFeatures, "Shape");
+//      addString(svgFeatures, "Text"); // requires altGlyph, bug 6426
+        addString(svgFeatures, "BasicText");
+        addString(svgFeatures, "PaintAttribute");
+        addString(svgFeatures, "BasicPaintAttribute");
+        addString(svgFeatures, "OpacityAttribute");
+        addString(svgFeatures, "GraphicsAttribute");
+        addString(svgFeatures, "BaseGraphicsAttribute");
+        addString(svgFeatures, "Marker");
+//      addString(svgFeatures, "ColorProfile"); // requires color-profile, bug 6037
+        addString(svgFeatures, "Gradient");
+        addString(svgFeatures, "Pattern");
+        addString(svgFeatures, "Clip");
+        addString(svgFeatures, "BasicClip");
+        addString(svgFeatures, "Mask");
+#if ENABLE(SVG_FILTER)
+//      addString(svgFeatures, "Filter");
+        addString(svgFeatures, "BasicFilter");
+#endif
+        addString(svgFeatures, "DocumentEventsAttribute");
+        addString(svgFeatures, "GraphicalEventsAttribute");
+//      addString(svgFeatures, "AnimationEventsAttribute");
+        addString(svgFeatures, "Cursor");
+        addString(svgFeatures, "Hyperlinking");
+        addString(svgFeatures, "XlinkAttribute");
+        addString(svgFeatures, "ExternalResourcesRequired");
+//      addString(svgFeatures, "View"); // buggy <view> support, bug 16962
+        addString(svgFeatures, "Script");
+//      addString(svgFeatures, "Animation"); // <animate> support missing
+#if ENABLE(SVG_FONTS)
+        addString(svgFeatures, "Font");
+        addString(svgFeatures, "BasicFont");
+#endif
+#if ENABLE(SVG_FOREIGN_OBJECT)
+        addString(svgFeatures, "Extensibility");
+#endif
+        initialized = true;
+    }
+    return svgFeatures.contains(feature);
+}
+#endif
+
+DOMImplementation::~DOMImplementation()
+{
+}
+
+bool DOMImplementation::hasFeature (const String& feature, const String& version) const
+{
+    String lower = feature.lower();
+    if (lower == "core" || lower == "html" || lower == "xml" || lower == "xhtml")
+        return version.isEmpty() || version == "1.0" || version == "2.0";
+    if (lower == "css"
+            || lower == "css2"
+            || lower == "events"
+            || lower == "htmlevents"
+            || lower == "mouseevents"
+            || lower == "mutationevents"
+            || lower == "range"
+            || lower == "stylesheets"
+            || lower == "traversal"
+            || lower == "uievents"
+            || lower == "views")
+        return version.isEmpty() || version == "2.0";
+    if (lower == "xpath" || lower == "textevents")
+        return version.isEmpty() || version == "3.0";
+
+#if ENABLE(SVG)
+    if ((version.isEmpty() || version == "1.1") && feature.startsWith("http://www.w3.org/tr/svg11/feature#", false)) {
+        if (isSVG11Feature(feature.right(feature.length() - 35)))
+            return true;
+    }
+
+    if ((version.isEmpty() || version == "1.0") && feature.startsWith("org.w3c.", false)) {
+        if (isSVG10Feature(feature.right(feature.length() - 8)))
+            return true;
+    }
+#endif
+    
+    return false;
+}
+
+PassRefPtr<DocumentType> DOMImplementation::createDocumentType(const String& qualifiedName,
+    const String& publicId, const String& systemId, ExceptionCode& ec)
+{
+    // Not mentioned in spec: throw NAMESPACE_ERR if no qualifiedName supplied
+    if (qualifiedName.isNull()) {
+        ec = NAMESPACE_ERR;
+        return 0;
+    }
+
+    // INVALID_CHARACTER_ERR: Raised if the specified qualified name contains an illegal character.
+    String prefix, localName;
+    if (!Document::parseQualifiedName(qualifiedName, prefix, localName)) {
+        ec = INVALID_CHARACTER_ERR;
+        return 0;
+    }
+
+    // NAMESPACE_ERR: Raised if the qualifiedName is malformed.
+    if (qualifiedNameIsMalformed(qualifiedName)) {
+        ec = NAMESPACE_ERR;
+        return 0;
+    }
+
+    ec = 0;
+    return new DocumentType(this, 0, qualifiedName, publicId, systemId);
+}
+
+DOMImplementation* DOMImplementation::getInterface(const String& /*feature*/) const
+{
+    // ###
+    return 0;
+}
+
+PassRefPtr<Document> DOMImplementation::createDocument(const String& namespaceURI,
+    const String& qualifiedName, DocumentType* doctype, ExceptionCode& ec)
+{
+    if (!qualifiedName.isEmpty()) {
+        // INVALID_CHARACTER_ERR: Raised if the specified qualified name contains an illegal character.
+        String prefix, localName;
+        if (!Document::parseQualifiedName(qualifiedName, prefix, localName)) {
+            ec = INVALID_CHARACTER_ERR;
+            return 0;
+        }
+
+        // NAMESPACE_ERR:
+        // - Raised if the qualifiedName is malformed,
+        // - if the qualifiedName has a prefix and the namespaceURI is null, or
+        // - if the qualifiedName has a prefix that is "xml" and the namespaceURI is different
+        //   from "http://www.w3.org/XML/1998/namespace" [Namespaces].
+        int colonpos = qualifiedName.find(':');    
+        if (qualifiedNameIsMalformed(qualifiedName) ||
+            (colonpos >= 0 && namespaceURI.isNull()) ||
+            (colonpos == 3 && qualifiedName[0] == 'x' && qualifiedName[1] == 'm' && qualifiedName[2] == 'l' &&
+#if ENABLE(SVG)
+             namespaceURI != SVGNames::svgNamespaceURI &&
+#endif
+             namespaceURI != XMLNames::xmlNamespaceURI)) {
+
+            ec = NAMESPACE_ERR;
+            return 0;
+        }
+    }
+    
+    // WRONG_DOCUMENT_ERR: Raised if doctype has already been used with a different document or was
+    // created from a different implementation.
+    if (doctype && (doctype->document() || doctype->implementation() != this)) {
+        ec = WRONG_DOCUMENT_ERR;
+        return 0;
+    }
+
+    RefPtr<Document> doc;
+#if ENABLE(SVG)
+    if (namespaceURI == SVGNames::svgNamespaceURI)
+        doc = new SVGDocument(this, 0);
+    else
+#endif
+        if (namespaceURI == HTMLNames::xhtmlNamespaceURI)
+            doc = new Document(this, 0, true);
+        else
+            doc = new Document(this, 0);
+
+    // now get the interesting parts of the doctype
+    if (doctype)
+        doc->addChild(doctype);
+
+    if (!qualifiedName.isEmpty())
+        doc->addChild(doc->createElementNS(namespaceURI, qualifiedName, ec));
+    
+    ec = 0;
+    return doc.release();
+}
+
+PassRefPtr<CSSStyleSheet> DOMImplementation::createCSSStyleSheet(const String&, const String& media, ExceptionCode& ec)
+{
+    // ### TODO : title should be set, and media could have wrong syntax, in which case we should generate an exception.
+    ec = 0;
+    CSSStyleSheet* const nullSheet = 0;
+    RefPtr<CSSStyleSheet> sheet = new CSSStyleSheet(nullSheet);
+    sheet->setMedia(new MediaList(sheet.get(), media, true));
+    return sheet.release();
+}
+
+PassRefPtr<Document> DOMImplementation::createDocument(Frame* frame)
+{
+    return new Document(this, frame);
+}
+
+PassRefPtr<HTMLDocument> DOMImplementation::createHTMLDocument(Frame* frame)
+{
+    return new HTMLDocument(this, frame);
+}
+
+DOMImplementation* DOMImplementation::instance()
+{
+    static RefPtr<DOMImplementation> i = new DOMImplementation;
+    return i.get();
+}
+
+bool DOMImplementation::isXMLMIMEType(const String& mimeType)
+{
+    if (mimeType == "text/xml" || mimeType == "application/xml" || mimeType == "text/xsl")
+        return true;
+    static const char* validChars = "[0-9a-zA-Z_\\-+~!$\\^{}|.%'`#&*]"; // per RFCs: 3023, 2045
+    static RegularExpression xmlTypeRegExp(String("^") + validChars + "+/" + validChars + "+\\+xml$");
+    return xmlTypeRegExp.match(mimeType) > -1;
+}
+
+bool DOMImplementation::isTextMIMEType(const String& mimeType)
+{
+    if (MIMETypeRegistry::isSupportedJavaScriptMIMEType(mimeType) ||
+        (mimeType.startsWith("text/") && mimeType != "text/html" &&
+         mimeType != "text/xml" && mimeType != "text/xsl"))
+        return true;
+
+    return false;
+}
+
+PassRefPtr<HTMLDocument> DOMImplementation::createHTMLDocument(const String& title)
+{
+    RefPtr<HTMLDocument> d = new HTMLDocument(this, 0);
+    d->open();
+    d->write("<!doctype html><html><head><title>" + title + "</title></head><body></body></html>");
+    return d.release();
+}
+
+PassRefPtr<Document> DOMImplementation::createDocument(const String& type, Frame* frame, bool inViewSourceMode)
+{
+    if (inViewSourceMode) {
+        if (type == "text/html" || type == "application/xhtml+xml" || type == "image/svg+xml" || isTextMIMEType(type) || isXMLMIMEType(type))
+            return new HTMLViewSourceDocument(this, frame, type);
+    }
+
+    // Plugins cannot take HTML and XHTML from us, and we don't even need to initialize the plugin database for those.
+    if (type == "text/html")
+        return new HTMLDocument(this, frame);
+    if (type == "application/xhtml+xml")
+        return new Document(this, frame, true);
+        
+#if ENABLE(FTPDIR)
+    // Plugins cannot take FTP from us either
+    if (type == "application/x-ftp-directory")
+        return new FTPDirectoryDocument(this, frame);
+#endif
+
+    // PDF is one image type for which a plugin can override built-in support.
+    // We do not want QuickTime to take over all image types, obviously.
+    if ((type == "application/pdf" || type == "text/pdf") && PluginInfoStore::supportsMIMEType(type))
+        return new PluginDocument(this, frame);
+    if (Image::supportsType(type))
+        return new ImageDocument(this, frame);
+    // Everything else except text/plain can be overridden by plugins. In particular, Adobe SVG Viewer should be used for SVG, if installed.
+    // Disallowing plug-ins to use text/plain prevents plug-ins from hijacking a fundamental type that the browser is expected to handle,
+    // and also serves as an optimization to prevent loading the plug-in database in the common case.
+    if (type != "text/plain" && PluginInfoStore::supportsMIMEType(type)) 
+        return new PluginDocument(this, frame);
+    if (isTextMIMEType(type))
+        return new TextDocument(this, frame);
+
+#if ENABLE(SVG)
+    if (type == "image/svg+xml") {
+        Settings* settings = frame ? frame->settings() : 0;
+        if (!settings || !settings->usesDashboardBackwardCompatibilityMode())
+            return new SVGDocument(this, frame);
+    }
+#endif
+    if (isXMLMIMEType(type))
+        return new Document(this, frame);
+
+    return new HTMLDocument(this, frame);
+}
+
+}