diff options
Diffstat (limited to 'khtml/xml/dom_textimpl.cpp')
| -rw-r--r-- | khtml/xml/dom_textimpl.cpp | 522 |
1 files changed, 0 insertions, 522 deletions
diff --git a/khtml/xml/dom_textimpl.cpp b/khtml/xml/dom_textimpl.cpp deleted file mode 100644 index 86317293d..000000000 --- a/khtml/xml/dom_textimpl.cpp +++ /dev/null @@ -1,522 +0,0 @@ -/** - * This file is part of the DOM implementation for KDE. - * - * Copyright (C) 1999-2003 Lars Knoll (knoll@kde.org) - * (C) 2001-2003 Dirk Mueller (mueller@kde.org) - * (C) 1999 Antti Koivisto (koivisto@kde.org) - * (C) 2002-2003 Apple Computer, Inc. - * - * 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 "dom/dom_exception.h" -#include "css/cssstyleselector.h" -#include "xml/dom2_eventsimpl.h" -#include "xml/dom_textimpl.h" -#include "xml/dom_docimpl.h" - -#include "misc/htmlhashes.h" -#include "rendering/render_text.h" -#include "rendering/render_flow.h" - -#include <kdebug.h> - -using namespace DOM; -using namespace khtml; - -static DOMString escapeHTML( const DOMString& in ) -{ - return in.implementation()->escapeHTML(); -} - -CharacterDataImpl::CharacterDataImpl(DocumentImpl *doc, DOMStringImpl* _text) - : NodeImpl(doc) -{ - str = _text ? _text : new DOMStringImpl(0, 0); - str->ref(); -} - -CharacterDataImpl::~CharacterDataImpl() -{ - if(str) str->deref(); -} - -void CharacterDataImpl::setData( const DOMString &_data, int &exceptioncode ) -{ - // NO_MODIFICATION_ALLOWED_ERR: Raised when the node is readonly - if (isReadOnly()) { - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return; - } - - if(str == _data.impl) return; // ### fire DOMCharacterDataModified if modified? - DOMStringImpl *oldStr = str; - str = _data.impl; - if(str) str->ref(); - if (m_render) - (static_cast<RenderText*>(m_render))->setText(str); - setChanged(true); - - dispatchModifiedEvent(oldStr); - if(oldStr) oldStr->deref(); -} - -unsigned long CharacterDataImpl::length() const -{ - return str->l; -} - -DOMString CharacterDataImpl::substringData( const unsigned long offset, const unsigned long count, int &exceptioncode ) -{ - exceptioncode = 0; - if ((long)count < 0) - exceptioncode = DOMException::INDEX_SIZE_ERR; - else - checkCharDataOperation(offset, exceptioncode); - if (exceptioncode) - return DOMString(); - - return str->substring(offset,count); -} - -void CharacterDataImpl::appendData( const DOMString &arg, int &exceptioncode ) -{ - exceptioncode = 0; - - // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly - if (isReadOnly()) { - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return; - } - - DOMStringImpl *oldStr = str; - str = str->copy(); - str->ref(); - str->append(arg.impl); - if (m_render) - (static_cast<RenderText*>(m_render))->setText(str); - setChanged(true); - - dispatchModifiedEvent(oldStr); - oldStr->deref(); -} - -void CharacterDataImpl::insertData( const unsigned long offset, const DOMString &arg, int &exceptioncode ) -{ - exceptioncode = 0; - checkCharDataOperation(offset, exceptioncode); - if (exceptioncode) - return; - - DOMStringImpl *oldStr = str; - str = str->copy(); - str->ref(); - str->insert(arg.impl, offset); - if (m_render) - (static_cast<RenderText*>(m_render))->setText(str); - setChanged(true); - - dispatchModifiedEvent(oldStr); - oldStr->deref(); -} - -void CharacterDataImpl::deleteData( const unsigned long offset, const unsigned long count, int &exceptioncode ) -{ - exceptioncode = 0; - if ((long)count < 0) - exceptioncode = DOMException::INDEX_SIZE_ERR; - else - checkCharDataOperation(offset, exceptioncode); - if (exceptioncode) - return; - - DOMStringImpl *oldStr = str; - str = str->copy(); - str->ref(); - str->remove(offset,count); - if (m_render) - (static_cast<RenderText*>(m_render))->setText(str); - setChanged(true); - - dispatchModifiedEvent(oldStr); - oldStr->deref(); -} - -void CharacterDataImpl::replaceData( const unsigned long offset, const unsigned long count, const DOMString &arg, int &exceptioncode ) -{ - exceptioncode = 0; - if ((long)count < 0) - exceptioncode = DOMException::INDEX_SIZE_ERR; - else - checkCharDataOperation(offset, exceptioncode); - if (exceptioncode) - return; - - unsigned long realCount; - if (offset + count > str->l) - realCount = str->l-offset; - else - realCount = count; - - DOMStringImpl *oldStr = str; - str = str->copy(); - str->ref(); - str->remove(offset,realCount); - str->insert(arg.impl, offset); - if (m_render) - (static_cast<RenderText*>(m_render))->setText(str); - setChanged(true); - - dispatchModifiedEvent(oldStr); - oldStr->deref(); -} - -DOMString CharacterDataImpl::nodeValue() const -{ - return str; -} - -bool CharacterDataImpl::containsOnlyWhitespace() const -{ - return str->containsOnlyWhitespace(); -} - -void CharacterDataImpl::setNodeValue( const DOMString &_nodeValue, int &exceptioncode ) -{ - // NO_MODIFICATION_ALLOWED_ERR: taken care of by setData() - setData(_nodeValue, exceptioncode); -} - -void CharacterDataImpl::dispatchModifiedEvent(DOMStringImpl *prevValue) -{ - if (parentNode()) - parentNode()->childrenChanged(); - if (!getDocument()->hasListenerType(DocumentImpl::DOMCHARACTERDATAMODIFIED_LISTENER)) - return; - - DOMStringImpl *newValue = str->copy(); - newValue->ref(); - int exceptioncode = 0; - MutationEventImpl* const evt = new MutationEventImpl(EventImpl::DOMCHARACTERDATAMODIFIED_EVENT,true,false,0,prevValue,newValue,DOMString(),0); - evt->ref(); - dispatchEvent(evt,exceptioncode); - evt->deref(); - newValue->deref(); - dispatchSubtreeModifiedEvent(); -} - -void CharacterDataImpl::checkCharDataOperation( const unsigned long offset, int &exceptioncode ) -{ - exceptioncode = 0; - - // INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than the number of 16-bit - // units in data. - if (offset > str->l) { - exceptioncode = DOMException::INDEX_SIZE_ERR; - return; - } - - // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly - if (isReadOnly()) { - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return; - } -} - -long CharacterDataImpl::minOffset() const -{ - RenderText *r = static_cast<RenderText *>(renderer()); - if (!r || !r->isText()) return 0; - - // take :first-letter into consideration -#ifdef __GNUC__ -#warning FIXME -#endif -#if 0 - if (r->forcedMinOffset()) { - RenderFlow *firstLetter = static_cast<RenderFlow *>(r->previousSibling()); - if (firstLetter && firstLetter->isFlow() && firstLetter->isFirstLetter()) { - RenderText *letterText = static_cast<RenderText *>(firstLetter->firstChild()); - return letterText->minOffset(); - } - } -#endif - - return r->minOffset(); -} - -long CharacterDataImpl::maxOffset() const -{ - RenderText *r = static_cast<RenderText *>(renderer()); - if (!r || !r->isText()) return (long)length(); - return r->maxOffset(); -} - -DOMStringImpl* CharacterDataImpl::textContent() const -{ - return new DOMStringImpl(str->s, str->l); -} - -void CharacterDataImpl::setTextContent( const DOMString &str, int& exceptioncode ) -{ - setData(str, exceptioncode); -} - -// --------------------------------------------------------------------------- - -DOMString CommentImpl::nodeName() const -{ - return "#comment"; -} - -unsigned short CommentImpl::nodeType() const -{ - return Node::COMMENT_NODE; -} - -NodeImpl *CommentImpl::cloneNode(bool /*deep*/) -{ - return getDocument()->createComment( str ); -} - -NodeImpl::Id CommentImpl::id() const -{ - return ID_COMMENT; -} - -// DOM Section 1.1.1 -bool CommentImpl::childTypeAllowed( unsigned short /*type*/ ) -{ - return false; -} - -DOMString CommentImpl::toString() const -{ - // FIXME: substitute entity references as needed! - return DOMString("<!--") + escapeHTML( nodeValue() ) + "-->"; -} - -// --------------------------------------------------------------------------- - -TextImpl *TextImpl::splitText( const unsigned long offset, int &exceptioncode ) -{ - exceptioncode = 0; - - // INDEX_SIZE_ERR: Raised if the specified offset is negative or greater than - // the number of 16-bit units in data. - - // ### we explicitly check for a negative long that has been cast to an unsigned long - // ... this can happen if JS code passes in -1 - we need to catch this earlier! (in the - // kjs bindings) - if (offset > str->l || (long)offset < 0) { - exceptioncode = DOMException::INDEX_SIZE_ERR; - return 0; - } - - // NO_MODIFICATION_ALLOWED_ERR: Raised if this node is readonly. - if (isReadOnly()) { - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return 0; - } - - DOMStringImpl *oldStr = str; - TextImpl *newText = createNew(str->substring(offset,str->l-offset)); - str = str->copy(); - str->ref(); - str->remove(offset,str->l-offset); - - dispatchModifiedEvent(oldStr); - oldStr->deref(); - - if (parentNode()) - parentNode()->insertBefore(newText,nextSibling(), exceptioncode ); - if ( exceptioncode ) - return 0; - - if (m_render) - (static_cast<RenderText*>(m_render))->setText(str); - setChanged(true); - return newText; -} - -DOMString TextImpl::nodeName() const -{ - return "#text"; -} - -unsigned short TextImpl::nodeType() const -{ - return Node::TEXT_NODE; -} - -NodeImpl *TextImpl::cloneNode(bool /*deep*/) -{ - return getDocument()->createTextNode(str); -} - -bool TextImpl::rendererIsNeeded(RenderStyle *style) -{ - if (!CharacterDataImpl::rendererIsNeeded(style)) { - return false; - } - bool onlyWS = containsOnlyWhitespace(); - if (!onlyWS) { - return true; - } - - RenderObject *par = parentNode()->renderer(); - - if (par->isTable() || par->isTableRow() || par->isTableSection()) { - return false; - } - - if (style->preserveWS() || style->preserveLF()) { - return true; - } - - RenderObject *prev = previousRenderer(); - if (par->isInlineFlow()) { - // <span><div/> <div/></span> - if (prev && !prev->isInline()) { - return false; - } - } else { - if (par->isRenderBlock() && !par->childrenInline() && (!prev || !prev->isInline())) { - return false; - } - - RenderObject *first = par->firstChild(); - while (first && first->isFloatingOrPositioned()) - first = first->nextSibling(); - RenderObject *next = nextRenderer(); - if (!first || next == first) { - // Whitespace at the start of a block just goes away. Don't even - // make a render object for this text. - return false; - } - } - - return true; -} - -RenderObject *TextImpl::createRenderer(RenderArena *arena, RenderStyle *style) -{ - return new (arena) RenderText(this, str); -} - -void TextImpl::attach() -{ - createRendererIfNeeded(); - CharacterDataImpl::attach(); -} - -NodeImpl::Id TextImpl::id() const -{ - return ID_TEXT; -} - -void TextImpl::recalcStyle( StyleChange change ) -{ -// tqDebug("textImpl::recalcStyle"); - // Create renderer if now needed - if ( changed() && !m_render) { - createRendererIfNeeded(); - } - if (change != NoChange && parentNode()) { -// tqDebug("DomText::recalcStyle"); - if(m_render) - m_render->setStyle(parentNode()->renderer()->style()); - } - if ( changed() && m_render && m_render->isText() ) - static_cast<RenderText*>(m_render)->setText(str); - setChanged( false ); -} - -// DOM Section 1.1.1 -bool TextImpl::childTypeAllowed( unsigned short /*type*/ ) -{ - return false; -} - -TextImpl *TextImpl::createNew(DOMStringImpl *_str) -{ - return new TextImpl(docPtr(),_str); -} - -DOMStringImpl* TextImpl::renderString() const -{ - if (renderer()) - return static_cast<RenderText*>(renderer())->string(); - else - return string(); -} - -DOMString TextImpl::toString() const -{ - // FIXME: substitute entity references as needed! - return escapeHTML( nodeValue() ); -} - -DOMString TextImpl::toString(long long startOffset, long long endOffset) const -{ - // FIXME: substitute entity references as needed! - - DOMString str = nodeValue(); - if(endOffset >=0 || startOffset >0) - str = str.copy(); //we are going to modify this, so make a copy. I hope I'm doing this right. - if(endOffset >= 0) - str.truncate(endOffset); - if(startOffset > 0) //note the order of these 2 'if' statements so that it works right when n==m_startContainer==m_endContainer - str.remove(0, startOffset); - return escapeHTML( str ); -} - -// --------------------------------------------------------------------------- - -DOMString CDATASectionImpl::nodeName() const -{ - return "#cdata-section"; -} - -unsigned short CDATASectionImpl::nodeType() const -{ - return Node::CDATA_SECTION_NODE; -} - -NodeImpl *CDATASectionImpl::cloneNode(bool /*deep*/) -{ - return getDocument()->createCDATASection(str); -} - -// DOM Section 1.1.1 -bool CDATASectionImpl::childTypeAllowed( unsigned short /*type*/ ) -{ - return false; -} - -TextImpl *CDATASectionImpl::createNew(DOMStringImpl *_str) -{ - return new CDATASectionImpl(docPtr(),_str); -} - -DOMString CDATASectionImpl::toString() const -{ - // FIXME: substitute entity references as needed! - return DOMString("<![CDATA[") + nodeValue() + "]]>"; -} - - - |