auto import from //depot/cupcake/@135843

1 files changed, 279 insertions, 0 deletions

diff --git a/WebCore/dom/ProcessingInstruction.cpp b/WebCore/dom/ProcessingInstruction.cpp
new file mode 100644
index 0000000..3d1a608
--- /dev/null
+++ b/WebCore/dom/ProcessingInstruction.cpp
@@ -0,0 +1,279 @@
+/*
+ * Copyright (C) 2000 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2006, 2008 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 "ProcessingInstruction.h"
+
+#include "CSSStyleSheet.h"
+#include "CachedCSSStyleSheet.h"
+#include "CachedXSLStyleSheet.h"
+#include "Document.h"
+#include "DocLoader.h"
+#include "ExceptionCode.h"
+#include "Frame.h"
+#include "FrameLoader.h"
+#include "XSLStyleSheet.h"
+#include "XMLTokenizer.h" // for parseAttributes()
+#include "MediaList.h"
+
+namespace WebCore {
+
+ProcessingInstruction::ProcessingInstruction(Document* doc)
+    : ContainerNode(doc)
+    , m_cachedSheet(0)
+    , m_loading(false)
+    , m_alternate(false)
+#if ENABLE(XSLT)
+    , m_isXSL(false)
+#endif
+{
+}
+
+ProcessingInstruction::ProcessingInstruction(Document* doc, const String& target, const String& data)
+    : ContainerNode(doc)
+    , m_target(target)
+    , m_data(data)
+    , m_cachedSheet(0)
+    , m_loading(false)
+    , m_alternate(false)
+#if ENABLE(XSLT)
+    , m_isXSL(false)
+#endif
+{
+}
+
+ProcessingInstruction::~ProcessingInstruction()
+{
+    if (m_cachedSheet)
+        m_cachedSheet->removeClient(this);
+}
+
+void ProcessingInstruction::setData(const String& data, ExceptionCode&)
+{
+    int oldLength = m_data.length();
+    m_data = data;
+    document()->textRemoved(this, 0, oldLength);
+}
+
+String ProcessingInstruction::nodeName() const
+{
+    return m_target;
+}
+
+Node::NodeType ProcessingInstruction::nodeType() const
+{
+    return PROCESSING_INSTRUCTION_NODE;
+}
+
+String ProcessingInstruction::nodeValue() const
+{
+    return m_data;
+}
+
+void ProcessingInstruction::setNodeValue(const String& nodeValue, ExceptionCode& ec)
+{
+    // NO_MODIFICATION_ALLOWED_ERR: taken care of by setData()
+    setData(nodeValue, ec);
+}
+
+PassRefPtr<Node> ProcessingInstruction::cloneNode(bool /*deep*/)
+{
+    // ### copy m_localHref
+    return new ProcessingInstruction(document(), m_target, m_data);
+}
+
+// DOM Section 1.1.1
+bool ProcessingInstruction::childTypeAllowed(NodeType)
+{
+    return false;
+}
+
+void ProcessingInstruction::checkStyleSheet()
+{
+    if (m_target == "xml-stylesheet" && document()->frame() && parentNode() == document()) {
+        // see http://www.w3.org/TR/xml-stylesheet/
+        // ### support stylesheet included in a fragment of this (or another) document
+        // ### make sure this gets called when adding from javascript
+        bool attrsOk;
+        const HashMap<String, String> attrs = parseAttributes(m_data, attrsOk);
+        if (!attrsOk)
+            return;
+        HashMap<String, String>::const_iterator i = attrs.find("type");
+        String type;
+        if (i != attrs.end())
+            type = i->second;
+
+        bool isCSS = type.isEmpty() || type == "text/css";
+#if ENABLE(XSLT)
+        m_isXSL = (type == "text/xml" || type == "text/xsl" || type == "application/xml" ||
+                   type == "application/xhtml+xml" || type == "application/rss+xml" || type == "application/atom=xml");
+        if (!isCSS && !m_isXSL)
+#else
+        if (!isCSS)
+#endif
+            return;
+
+        String href = attrs.get("href");
+        String alternate = attrs.get("alternate");
+        m_alternate = alternate == "yes";
+        m_title = attrs.get("title");
+        m_media = attrs.get("media");
+
+        if (href.length() > 1) {
+            if (href[0] == '#') {
+                m_localHref = href.substring(1);
+#if ENABLE(XSLT)
+                // We need to make a synthetic XSLStyleSheet that is embedded.  It needs to be able
+                // to kick off import/include loads that can hang off some parent sheet.
+                if (m_isXSL) {
+                    m_sheet = XSLStyleSheet::createEmbedded(this, m_localHref);
+                    m_loading = false;
+                }
+#endif
+            }
+            else
+            {
+                m_loading = true;
+                document()->addPendingSheet();
+                if (m_cachedSheet)
+                    m_cachedSheet->removeClient(this);
+#if ENABLE(XSLT)
+                if (m_isXSL)
+                    m_cachedSheet = document()->docLoader()->requestXSLStyleSheet(document()->completeURL(href).string());
+                else
+#endif
+                {
+                    String charset = attrs.get("charset");
+                    if (charset.isEmpty())
+                        charset = document()->frame()->loader()->encoding();
+
+                    m_cachedSheet = document()->docLoader()->requestCSSStyleSheet(document()->completeURL(href).string(), charset);
+                }
+                if (m_cachedSheet)
+                    m_cachedSheet->addClient(this);
+            }
+        }
+    }
+}
+
+bool ProcessingInstruction::isLoading() const
+{
+    if (m_loading)
+        return true;
+    if (!m_sheet)
+        return false;
+    return m_sheet->isLoading();
+}
+
+bool ProcessingInstruction::sheetLoaded()
+{
+    if (!isLoading()) {
+        document()->removePendingSheet();
+        return true;
+    }
+    return false;
+}
+
+void ProcessingInstruction::setCSSStyleSheet(const String& url, const String& charset, const CachedCSSStyleSheet* sheet)
+{
+#if ENABLE(XSLT)
+    ASSERT(!m_isXSL);
+#endif
+    RefPtr<CSSStyleSheet> newSheet = CSSStyleSheet::create(this, url, charset);
+    m_sheet = newSheet;
+    parseStyleSheet(sheet->sheetText());
+    newSheet->setTitle(m_title);
+    newSheet->setMedia(MediaList::create(newSheet.get(), m_media));
+    newSheet->setDisabled(m_alternate);
+}
+
+#if ENABLE(XSLT)
+void ProcessingInstruction::setXSLStyleSheet(const String& url, const String& sheet)
+{
+    ASSERT(m_isXSL);
+    m_sheet = XSLStyleSheet::create(this, url);
+    parseStyleSheet(sheet);
+}
+#endif
+
+void ProcessingInstruction::parseStyleSheet(const String& sheet)
+{
+    m_sheet->parseString(sheet, true);
+    if (m_cachedSheet)
+        m_cachedSheet->removeClient(this);
+    m_cachedSheet = 0;
+
+    m_loading = false;
+    m_sheet->checkLoaded();
+}
+
+void ProcessingInstruction::setCSSStyleSheet(PassRefPtr<CSSStyleSheet> sheet)
+{
+    ASSERT(!m_cachedSheet);
+    ASSERT(!m_loading);
+    m_sheet = sheet;
+    m_sheet->setTitle(m_title);
+    m_sheet->setDisabled(m_alternate);
+}
+
+bool ProcessingInstruction::offsetInCharacters() const
+{
+    return true;
+}
+
+int ProcessingInstruction::maxCharacterOffset() const 
+{
+    return static_cast<int>(m_data.length());
+}
+
+void ProcessingInstruction::getSubresourceAttributeStrings(Vector<String>& urls) const
+{
+    if (!sheet())
+        return;
+        
+    urls.append(sheet()->href());
+}
+
+void ProcessingInstruction::insertedIntoDocument()
+{
+    ContainerNode::insertedIntoDocument();
+    document()->addStyleSheetCandidateNode(this, m_createdByParser);
+    checkStyleSheet();
+}
+
+void ProcessingInstruction::removedFromDocument()
+{
+    ContainerNode::removedFromDocument();
+
+    if (document()->renderer())
+        document()->removeStyleSheetCandidateNode(this);
+
+    // FIXME: It's terrible to do a synchronous update of the style selector just because a <style> or <link> element got removed.
+    if (m_cachedSheet)
+        document()->updateStyleSelector();
+}
+
+void ProcessingInstruction::finishParsingChildren()
+{
+    m_createdByParser = false;
+    ContainerNode::finishParsingChildren();
+}
+
+} // namespace