Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.

BUG:215923


git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 537 insertions, 0 deletions

diff --git a/khtml/html/html_documentimpl.cpp b/khtml/html/html_documentimpl.cpp
new file mode 100644
index 000000000..59ec6859f
--- /dev/null
+++ b/khtml/html/html_documentimpl.cpp
@@ -0,0 +1,537 @@
+/**
+ * This file is part of the DOM implementation for KDE.
+ *
+ * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
+ *           (C) 1999 Antti Koivisto (koivisto@kde.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 "html/html_documentimpl.h"
+#include "html/html_imageimpl.h"
+#include "html/html_headimpl.h"
+#include "html/html_baseimpl.h"
+#include "html/htmltokenizer.h"
+#include "html/html_miscimpl.h"
+#include "html/html_formimpl.h"
+
+#include "khtmlview.h"
+#include "khtml_part.h"
+#include "khtmlpart_p.h"
+#include "khtml_settings.h"
+#include "misc/htmlattrs.h"
+#include "misc/htmlhashes.h"
+
+#include "xml/xml_tokenizer.h"
+#include "xml/dom2_eventsimpl.h"
+
+#include "khtml_factory.h"
+#include "rendering/render_object.h"
+#include "dom/dom_exception.h"
+
+#include <dcopclient.h>
+#include <kapplication.h>
+#include <kdebug.h>
+#include <kurl.h>
+#include <kglobal.h>
+#include <kcharsets.h>
+#include <kglobalsettings.h>
+
+#include "css/cssproperties.h"
+#include "css/cssstyleselector.h"
+#include "css/css_stylesheetimpl.h"
+#include <stdlib.h>
+#include <qptrstack.h>
+
+// Turn off inlining to avoid warning with newer gcc.
+#undef __inline
+#define __inline
+#include "doctypes.cpp"
+#undef __inline
+
+template class QPtrStack<DOM::NodeImpl>;
+
+using namespace DOM;
+using namespace khtml;
+
+
+HTMLDocumentImpl::HTMLDocumentImpl(DOMImplementationImpl *_implementation, KHTMLView *v)
+  : DocumentImpl(_implementation, v)
+{
+//    kdDebug( 6090 ) << "HTMLDocumentImpl constructor this = " << this << endl;
+    htmlElement = 0;
+
+    m_doAutoFill = false;
+
+/* dynamic history stuff to be fixed later (pfeiffer)
+    connect( KHTMLFactory::vLinks(), SIGNAL( removed( const QString& )),
+             SLOT( slotHistoryChanged() ));
+*/
+    connect( KHTMLFactory::vLinks(), SIGNAL( inserted( const QString& ) ),
+             SLOT( slotHistoryChanged() ));
+    connect( KHTMLFactory::vLinks(), SIGNAL( cleared()),
+             SLOT( slotHistoryChanged() ));
+}
+
+HTMLDocumentImpl::~HTMLDocumentImpl()
+{
+}
+
+DOMString HTMLDocumentImpl::referrer() const
+{
+    if ( view() )
+        return view()->part()->pageReferrer();
+    return DOMString();
+}
+
+DOMString HTMLDocumentImpl::lastModified() const
+{
+    if ( view() )
+        return view()->part()->lastModified();
+    return DOMString();
+}
+
+DOMString HTMLDocumentImpl::cookie() const
+{
+    long windowId = 0;
+    KHTMLView *v = view ();
+
+    if ( v && v->topLevelWidget() )
+      windowId = v->topLevelWidget()->winId();
+
+    QCString replyType;
+    QByteArray params, reply;
+    QDataStream stream(params, IO_WriteOnly);
+    stream << URL().url() << windowId;
+    if (!kapp->dcopClient()->call("kcookiejar", "kcookiejar",
+                                  "findDOMCookies(QString,long int)", params,
+                                  replyType, reply))
+    {
+       kdWarning(6010) << "Can't communicate with cookiejar!" << endl;
+       return DOMString();
+    }
+
+    QDataStream stream2(reply, IO_ReadOnly);
+    if(replyType != "QString") {
+         kdError(6010) << "DCOP function findDOMCookies(...) returns "
+                       << replyType << ", expected QString" << endl;
+         return DOMString();
+    }
+
+    QString result;
+    stream2 >> result;
+    return DOMString(result);
+}
+
+void HTMLDocumentImpl::setCookie( const DOMString & value )
+{
+    long windowId = 0;
+    KHTMLView *v = view ();
+
+    if ( v && v->topLevelWidget() )
+      windowId = v->topLevelWidget()->winId();
+
+    QByteArray params;
+    QDataStream stream(params, IO_WriteOnly);
+    QCString fake_header("Set-Cookie: ");
+    fake_header.append(value.string().latin1());
+    fake_header.append("\n");
+    stream << URL().url() << fake_header << windowId;
+    if (!kapp->dcopClient()->send("kcookiejar", "kcookiejar",
+                                  "addCookies(QString,QCString,long int)", params))
+    {
+         // Maybe it wasn't running (e.g. we're opening local html files)
+         KApplication::startServiceByDesktopName( "kcookiejar");
+         if (!kapp->dcopClient()->send("kcookiejar", "kcookiejar",
+                                       "addCookies(QString,QCString,long int)", params))
+             kdWarning(6010) << "Can't communicate with cookiejar!" << endl;
+    }
+}
+
+
+
+HTMLElementImpl *HTMLDocumentImpl::body()
+{
+    NodeImpl *de = documentElement();
+    if (!de)
+        return 0;
+
+    // try to prefer a FRAMESET element over BODY
+    NodeImpl* body = 0;
+    for (NodeImpl* i = de->firstChild(); i; i = i->nextSibling()) {
+        if (i->id() == ID_FRAMESET)
+            return static_cast<HTMLElementImpl*>(i);
+
+        if (i->id() == ID_BODY)
+            body = i;
+    }
+    return static_cast<HTMLElementImpl *>(body);
+}
+
+void HTMLDocumentImpl::setBody(HTMLElementImpl *_body, int& exceptioncode)
+{
+    HTMLElementImpl *b = body();
+    if ( !_body ) {
+        exceptioncode = DOMException::HIERARCHY_REQUEST_ERR;
+        return;
+    }
+    if ( !b )
+        documentElement()->appendChild( _body, exceptioncode );
+    else
+        documentElement()->replaceChild( _body, b, exceptioncode );
+}
+
+Tokenizer *HTMLDocumentImpl::createTokenizer()
+{
+    return new HTMLTokenizer(docPtr(),m_view);
+}
+
+// --------------------------------------------------------------------------
+// not part of the DOM
+// --------------------------------------------------------------------------
+
+bool HTMLDocumentImpl::childAllowed( NodeImpl *newChild )
+{
+    // ### support comments. etc as a child
+    return (newChild->id() == ID_HTML || newChild->id() == ID_COMMENT);
+}
+
+ElementImpl *HTMLDocumentImpl::createElement( const DOMString &name, int* pExceptioncode )
+{
+    ElementImpl *e = createHTMLElement(name);
+    if ( e ) {
+        e->setHTMLCompat( htmlMode() != XHtml );
+        return e;
+    }
+    return DocumentImpl::createElement(name, pExceptioncode);
+}
+
+void HTMLDocumentImpl::slotHistoryChanged()
+{
+    if ( true || !m_render )
+        return;
+
+    recalcStyle( Force );
+    m_render->repaint();
+}
+
+HTMLMapElementImpl* HTMLDocumentImpl::getMap(const DOMString& _url)
+{
+    QString url = _url.string();
+    QString s;
+    int pos = url.find('#');
+    //kdDebug(0) << "map pos of #:" << pos << endl;
+    s = QString(_url.unicode() + pos + 1, _url.length() - pos - 1);
+
+    QMapConstIterator<QString,HTMLMapElementImpl*> it = mapMap.find(s);
+
+    if (it != mapMap.end())
+        return *it;
+    else
+        return 0;
+}
+
+void HTMLDocumentImpl::close()
+{
+    bool doload = !parsing() && m_tokenizer;
+
+    DocumentImpl::close();
+
+    if (doload) {
+
+        if (title().isEmpty()) // ensure setTitle is called at least once
+            setTitle( DOMString() );
+
+        // auto fill: walk the tree and try to fill in login credentials
+        if (view() && m_doAutoFill) {
+            for (NodeImpl* n = this; n; n = n->traverseNextNode())
+                if (n->id() == ID_FORM)
+                    static_cast<HTMLFormElementImpl*>(n)->doAutoFill();
+            m_doAutoFill = false;
+        }
+
+        // According to dom the load event must not bubble
+        // but other browsers execute in a frameset document
+        // the first(IE)/last(Moz/Konq) registered onload on a <frame> and the
+        // first(IE)/last(Moz/Konq) registered onload on a <frameset>.
+
+        //kdDebug() << "dispatching LOAD_EVENT on document " << getDocument() << " " << (view()?view()->part()->name():0) << endl;
+
+        //Make sure to flush any pending image events now, as we want them out before the document's load event
+        dispatchImageLoadEventsNow();
+        getDocument()->dispatchWindowEvent(EventImpl::LOAD_EVENT, false, false);
+
+        // don't update rendering if we're going to redirect anyway
+        if ( view() && ( view()->part()->d->m_redirectURL.isNull() ||
+                         view()->part()->d->m_delayRedirect > 1 ) )
+            updateRendering();
+    }
+}
+
+
+const int PARSEMODE_HAVE_DOCTYPE	=	(1<<0);
+const int PARSEMODE_HAVE_PUBLIC_ID	=	(1<<1);
+const int PARSEMODE_HAVE_SYSTEM_ID	=	(1<<2);
+const int PARSEMODE_HAVE_INTERNAL	=	(1<<3);
+
+static int parseDocTypePart(const QString& buffer, int index)
+{
+    while (true) {
+        QChar ch = buffer[index];
+        if (ch == ' ' || ch == '\t' || ch == '\n' || ch == '\r')
+            ++index;
+        else if (ch == '-') {
+            int tmpIndex=index;
+            if (buffer[index+1] == '-' &&
+                ((tmpIndex=buffer.find("--", index+2)) != -1))
+                index = tmpIndex+2;
+            else
+                return index;
+        }
+        else
+            return index;
+    }
+}
+
+static bool containsString(const char* str, const QString& buffer, int offset)
+{
+    QString startString(str);
+    if (offset + startString.length() > buffer.length())
+        return false;
+
+    QString bufferString = buffer.mid(offset, startString.length()).lower();
+    QString lowerStart = startString.lower();
+
+    return bufferString.startsWith(lowerStart);
+}
+
+static bool parseDocTypeDeclaration(const QString& buffer,
+                                    int* resultFlags,
+                                    QString& publicID,
+                                    QString& systemID)
+{
+    bool haveDocType = false;
+    *resultFlags = 0;
+
+    // Skip through any comments and processing instructions.
+    int index = 0;
+    do {
+        index = buffer.find('<', index);
+        if (index == -1) break;
+        QChar nextChar = buffer[index+1];
+        if (nextChar == '!') {
+            if (containsString("doctype", buffer, index+2)) {
+                haveDocType = true;
+                index += 9; // Skip "<!DOCTYPE"
+                break;
+            }
+            index = parseDocTypePart(buffer,index);
+            index = buffer.find('>', index);
+        }
+        else if (nextChar == '?')
+            index = buffer.find('>', index);
+        else
+            break;
+    } while (index != -1);
+
+    if (!haveDocType)
+        return true;
+    *resultFlags |= PARSEMODE_HAVE_DOCTYPE;
+
+    index = parseDocTypePart(buffer, index);
+    if (!containsString("html", buffer, index))
+        return false;
+
+    index = parseDocTypePart(buffer, index+4);
+    bool hasPublic = containsString("public", buffer, index);
+    if (hasPublic) {
+        index = parseDocTypePart(buffer, index+6);
+
+        // We've read <!DOCTYPE HTML PUBLIC (not case sensitive).
+        // Now we find the beginning and end of the public identifers
+        // and system identifiers (assuming they're even present).
+        QChar theChar = buffer[index];
+        if (theChar != '\"' && theChar != '\'')
+            return false;
+
+        // |start| is the first character (after the quote) and |end|
+        // is the final quote, so there are |end|-|start| characters.
+        int publicIDStart = index+1;
+        int publicIDEnd = buffer.find(theChar, publicIDStart);
+        if (publicIDEnd == -1)
+            return false;
+        index = parseDocTypePart(buffer, publicIDEnd+1);
+        QChar next = buffer[index];
+        if (next == '>') {
+            // Public identifier present, but no system identifier.
+            // Do nothing.  Note that this is the most common
+            // case.
+        }
+        else if (next == '\"' || next == '\'') {
+            // We have a system identifier.
+            *resultFlags |= PARSEMODE_HAVE_SYSTEM_ID;
+            int systemIDStart = index+1;
+            int systemIDEnd = buffer.find(next, systemIDStart);
+            if (systemIDEnd == -1)
+                return false;
+            systemID = buffer.mid(systemIDStart, systemIDEnd - systemIDStart);
+        }
+        else if (next == '[') {
+            // We found an internal subset.
+            *resultFlags |= PARSEMODE_HAVE_INTERNAL;
+        }
+        else
+            return false; // Something's wrong.
+
+        // We need to trim whitespace off the public identifier.
+        publicID = buffer.mid(publicIDStart, publicIDEnd - publicIDStart);
+        publicID = publicID.simplifyWhiteSpace();
+        *resultFlags |= PARSEMODE_HAVE_PUBLIC_ID;
+    } else {
+        if (containsString("system", buffer, index)) {
+            // Doctype has a system ID but no public ID
+            *resultFlags |= PARSEMODE_HAVE_SYSTEM_ID;
+            index = parseDocTypePart(buffer, index+6);
+            QChar next = buffer[index];
+            if (next != '\"' && next != '\'')
+                return false;
+            int systemIDStart = index+1;
+            int systemIDEnd = buffer.find(next, systemIDStart);
+            if (systemIDEnd == -1)
+                return false;
+            systemID = buffer.mid(systemIDStart, systemIDEnd - systemIDStart);
+            index = parseDocTypePart(buffer, systemIDEnd+1);
+        }
+
+        QChar nextChar = buffer[index];
+        if (nextChar == '[')
+            *resultFlags |= PARSEMODE_HAVE_INTERNAL;
+        else if (nextChar != '>')
+            return false;
+    }
+
+    return true;
+}
+
+void HTMLDocumentImpl::determineParseMode( const QString &str )
+{
+    //kdDebug() << "DocumentImpl::determineParseMode str=" << str<< endl;
+    int oldPMode = pMode;
+
+    // This code more or less mimics Mozilla's implementation (specifically the
+    // doctype parsing implemented by David Baron in Mozilla's nsParser.cpp).
+    //
+    // There are three possible parse modes:
+    // COMPAT - quirks mode emulates WinIE
+    // and NS4.  CSS parsing is also relaxed in this mode, e.g., unit types can
+    // be omitted from numbers.
+    // ALMOST STRICT - This mode is identical to strict mode
+    // except for its treatment of line-height in the inline box model.  For
+    // now (until the inline box model is re-written), this mode is identical
+    // to STANDARDS mode.
+    // STRICT - no quirks apply.  Web pages will obey the specifications to
+    // the letter.
+
+    QString systemID, publicID;
+    int resultFlags = 0;
+    if (parseDocTypeDeclaration(str, &resultFlags, publicID, systemID)) {
+        if (resultFlags & PARSEMODE_HAVE_DOCTYPE) {
+            m_doctype->setName("HTML");
+            m_doctype->setPublicId(publicID);
+            m_doctype->setSystemId(systemID);
+        }
+        if (!(resultFlags & PARSEMODE_HAVE_DOCTYPE)) {
+            // No doctype found at all.  Default to quirks mode and Html4.
+            pMode = Compat;
+            hMode = Html4;
+        }
+        else if ((resultFlags & PARSEMODE_HAVE_INTERNAL) ||
+                 !(resultFlags & PARSEMODE_HAVE_PUBLIC_ID)) {
+            // Internal subsets always denote full standards, as does
+            // a doctype without a public ID.
+            pMode = Strict;
+            hMode = Html4;
+        }
+        else {
+            // We have to check a list of public IDs to see what we
+            // should do.
+            QString lowerPubID = publicID.lower();
+            const char* pubIDStr = lowerPubID.latin1();
+
+            // Look up the entry in our gperf-generated table.
+            const PubIDInfo* doctypeEntry = findDoctypeEntry(pubIDStr, publicID.length());
+            if (!doctypeEntry) {
+                // The DOCTYPE is not in the list.  Assume strict mode.
+                // ### Doesn't make any sense, but it's what Mozilla does.
+                pMode = Strict;
+                hMode = Html4;
+                return;
+            }
+
+            switch ((resultFlags & PARSEMODE_HAVE_SYSTEM_ID) ?
+                    doctypeEntry->mode_if_sysid :
+                    doctypeEntry->mode_if_no_sysid)
+            {
+                case PubIDInfo::eQuirks3:
+                    pMode = Compat;
+                    hMode = Html3;
+                    break;
+                case PubIDInfo::eQuirks:
+                    pMode = Compat;
+                    hMode = Html4;
+                    break;
+                case PubIDInfo::eAlmostStandards:
+                    pMode = Transitional;
+                    hMode = Html4;
+                    break;
+                 default:
+                    assert(false);
+            }
+        }
+    }
+    else {
+        // Malformed doctype implies quirks mode.
+        pMode = Compat;
+        hMode = Html3;
+    }
+
+    // This needs to be done last, see tests/parser/compatmode_xhtml_mixed.html
+    if ( hMode == Html4 && !m_htmlRequested ) {
+        // this part is still debatable and possibly UA dependent
+        hMode = XHtml;
+        pMode = Transitional;
+    }
+
+    m_styleSelector->strictParsing = !inCompatMode();
+
+    // kdDebug() << "DocumentImpl::determineParseMode: publicId =" << publicID << " systemId = " << systemID << endl;
+    // kdDebug() << "DocumentImpl::determineParseMode: htmlMode = " << hMode<< endl;
+    if( pMode == Strict )
+        kdDebug(6030) << " using strict parseMode" << endl;
+    else if (pMode == Compat )
+        kdDebug(6030) << " using compatibility parseMode" << endl;
+    else
+        kdDebug(6030) << " using transitional parseMode" << endl;
+
+    // not sure this is needed
+    if ( pMode != oldPMode && styleSelector() )
+        recalcStyleSelector();
+
+}
+
+
+#include "html_documentimpl.moc"