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Diffstat (limited to 'khtml/html/html_elementimpl.cpp')
| -rw-r--r-- | khtml/html/html_elementimpl.cpp | 685 |
1 files changed, 0 insertions, 685 deletions
diff --git a/khtml/html/html_elementimpl.cpp b/khtml/html/html_elementimpl.cpp index a5931cd41..e69de29bb 100644 --- a/khtml/html/html_elementimpl.cpp +++ b/khtml/html/html_elementimpl.cpp @@ -1,685 +0,0 @@ -// -*- c-basic-offset: 4; -*- -/** - * 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) - * (C) 2003 Dirk Mueller (mueller@kde.org) - * Copyright (C) 2002 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. - * - */ -// ------------------------------------------------------------------------- -//#define DEBUG -//#define DEBUG_LAYOUT -//#define PAR_DEBUG -//#define EVENT_DEBUG -//#define UNSUPPORTED_ATTR - -#include "html/dtd.h" -#include "html/html_elementimpl.h" -#include "html/html_documentimpl.h" -#include "html/htmltokenizer.h" - -#include "misc/htmlhashes.h" - -#include "khtmlview.h" -#include "khtml_part.h" - -#include "rendering/render_object.h" -#include "rendering/render_replaced.h" -#include "css/css_valueimpl.h" -#include "css/css_stylesheetimpl.h" -#include "css/cssproperties.h" -#include "css/cssvalues.h" -#include "xml/dom_textimpl.h" -#include "xml/dom2_eventsimpl.h" - -#include <kdebug.h> -#include <kglobal.h> -#include "html_elementimpl.h" - -using namespace DOM; -using namespace khtml; - -HTMLElementImpl::HTMLElementImpl(DocumentImpl *doc) - : ElementImpl( doc ) -{ - m_htmlCompat = doc && doc->htmlMode() != DocumentImpl::XHtml; -} - -HTMLElementImpl::~HTMLElementImpl() -{ -} - -bool HTMLElementImpl::isInline() const -{ - if (renderer()) - return ElementImpl::isInline(); - - switch(id()) { - case ID_A: - case ID_FONT: - case ID_TT: - case ID_U: - case ID_B: - case ID_I: - case ID_S: - case ID_STRIKE: - case ID_BIG: - case ID_SMALL: - - // %phrase - case ID_EM: - case ID_STRONG: - case ID_DFN: - case ID_CODE: - case ID_SAMP: - case ID_KBD: - case ID_VAR: - case ID_CITE: - case ID_ABBR: - case ID_ACRONYM: - - // %special - case ID_SUB: - case ID_SUP: - case ID_SPAN: - case ID_NOBR: - case ID_WBR: - return true; - - default: - return ElementImpl::isInline(); - } -} - -DOMString HTMLElementImpl::namespaceURI() const -{ - return (!m_htmlCompat) ? - DOMString(XHTML_NAMESPACE) : DOMString(); -} - - -DOMString HTMLElementImpl::localName() const -{ - // We only have a localName if we were created by createElementNS(), in which - // case we are an XHTML element. This also means we have a lowercase name. - if (!m_htmlCompat) // XHTML == not HTMLCompat - { - NodeImpl::Id _id = id(); - DOMString tn; - if ( _id >= ID_LAST_TAG ) - tn = getDocument()->getName(ElementId, _id); - else // HTML tag - tn = getTagName( _id ); - return tn; // lowercase already - } - // createElement() always returns elements with a null localName. - else - return DOMString(); -} - -DOMString HTMLElementImpl::tagName() const -{ - DOMString tn; - NodeImpl::Id _id = id(); - if ( _id >= ID_LAST_TAG ) - tn = getDocument()->getName(ElementId, _id); - else // HTML tag - tn = getTagName( _id ); - - if ( m_htmlCompat ) - tn = tn.upper(); - - if (m_prefix) - return DOMString(m_prefix) + ":" + tn; - - return tn; -} - -void HTMLElementImpl::parseAttribute(AttributeImpl *attr) -{ - DOMString indexstring; - switch( attr->id() ) - { - case ATTR_ALIGN: - if (attr->val()) { - if ( strcasecmp(attr->value(), "middle" ) == 0 ) - addCSSProperty( CSS_PROP_TEXT_ALIGN, CSS_VAL_CENTER ); - else - addCSSProperty(CSS_PROP_TEXT_ALIGN, attr->value().lower()); - } - else - removeCSSProperty(CSS_PROP_TEXT_ALIGN); - break; -// the core attributes... - case ATTR_ID: - // unique id - setHasID(); - getDocument()->incDOMTreeVersion(); - break; - case ATTR_CLASS: - if (attr->val()) { - DOMString v = attr->value(); - const TQChar* s = v.tqunicode(); - int l = v.length(); - while( l && !s->isSpace() ) - l--,s++; - setHasClassList(l); - setHasClass(true); - } else { - setHasClassList(false); - setHasClass(false); - } - break; - case ATTR_NAME: - getDocument()->incDOMTreeVersion(); - break; - case ATTR_STYLE: - if (m_styleDecls) - m_styleDecls->removeCSSHints(); - else - createDecl(); - m_styleDecls->setProperty(attr->value()); - setChanged(); - break; - case ATTR_TABINDEX: - indexstring=getAttribute(ATTR_TABINDEX); - if (indexstring.length()) - setTabIndex(indexstring.toInt()); - break; -// i18n attributes - case ATTR_LANG: - break; - case ATTR_DIR: - addCSSProperty(CSS_PROP_DIRECTION, attr->value().lower()); - addCSSProperty(CSS_PROP_UNICODE_BIDI, CSS_VAL_EMBED); - break; -// standard events - case ATTR_ONCLICK: - setHTMLEventListener(EventImpl::KHTML_ECMA_CLICK_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onclick", this)); - break; - case ATTR_ONDBLCLICK: - setHTMLEventListener(EventImpl::KHTML_ECMA_DBLCLICK_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "ondblclick", this)); - break; - case ATTR_ONMOUSEDOWN: - setHTMLEventListener(EventImpl::MOUSEDOWN_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onmousedown", this)); - break; - case ATTR_ONMOUSEMOVE: - setHTMLEventListener(EventImpl::MOUSEMOVE_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onmousemove", this)); - break; - case ATTR_ONMOUSEOUT: - setHTMLEventListener(EventImpl::MOUSEOUT_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onmouseout", this)); - break; - case ATTR_ONMOUSEOVER: - setHTMLEventListener(EventImpl::MOUSEOVER_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onmouseover", this)); - break; - case ATTR_ONMOUSEUP: - setHTMLEventListener(EventImpl::MOUSEUP_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onmouseup", this)); - break; - case ATTR_ONKEYDOWN: - setHTMLEventListener(EventImpl::KEYDOWN_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onkeydown", this)); - break; - case ATTR_ONKEYPRESS: - setHTMLEventListener(EventImpl::KEYPRESS_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onkeypress", this)); - break; - case ATTR_ONKEYUP: - setHTMLEventListener(EventImpl::KEYUP_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onkeyup", this)); - break; - case ATTR_ONFOCUS: - setHTMLEventListener(EventImpl::FOCUS_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onfocus", this)); - break; - case ATTR_ONBLUR: - setHTMLEventListener(EventImpl::BLUR_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onblur", this)); - break; - case ATTR_ONSCROLL: - setHTMLEventListener(EventImpl::SCROLL_EVENT, - getDocument()->createHTMLEventListener(attr->value().string(), "onscroll", this)); - break; -// other misc attributes - default: -#ifdef UNSUPPORTED_ATTR - kdDebug(6030) << "UATTR: <" << this->nodeName().string() << "> [" - << attr->name().string() << "]=[" << attr->value().string() << "]" << endl; -#endif - break; - } -} - -void HTMLElementImpl::recalcStyle( StyleChange ch ) -{ - ElementImpl::recalcStyle( ch ); - - if (m_render /*&& changed*/) - m_render->updateFromElement(); -} - -void HTMLElementImpl::addCSSProperty(int id, const DOMString &value) -{ - if(!m_styleDecls) createDecl(); - m_styleDecls->setProperty(id, value, false, true); - setChanged(); -} - -void HTMLElementImpl::addCSSProperty(int id, int value) -{ - if(!m_styleDecls) createDecl(); - m_styleDecls->setProperty(id, value, false, true); - setChanged(); -} - -void HTMLElementImpl::addCSSLength(int id, const DOMString &value, bool numOnly, bool multiLength) -{ - if(!m_styleDecls) createDecl(); - - // strip attribute garbage to avoid CSS parsing errors - // ### create specialized hook that avoids parsing every - // value twice! - if ( value.implementation() ) { - // match \s*[+-]?\d*(\.\d*)?[%\*]? - unsigned i = 0, j = 0; - TQChar* s = value.implementation()->s; - unsigned l = value.implementation()->l; - - while (i < l && s[i].isSpace()) - ++i; - if (i < l && (s[i] == '+' || s[i] == '-')) - ++i; - while (i < l && s[i].isDigit()) - ++i,++j; - - // no digits! - if (j == 0) return; - - int v = kClamp( TQConstString(s, i).string().toInt(), -8192, 8191 ) ; - const char* suffix = "px"; - if (!numOnly || multiLength) { - // look if we find a % or * - while (i < l) { - if (multiLength && s[i] == '*') { - suffix = ""; - break; - } - if (s[i] == '%') { - suffix = "%"; - break; - } - ++i; - } - } - if (numOnly) suffix = ""; - - TQString ns = TQString::number(v) + suffix; - m_styleDecls->setLengthProperty( id, DOMString( ns ), false, true, multiLength ); - setChanged(); - return; - } - - m_styleDecls->setLengthProperty(id, value, false, true, multiLength); - setChanged(); -} - -static inline bool isHexDigit( const TQChar &c ) { - return ( c >= '0' && c <= '9' ) || - ( c >= 'a' && c <= 'f' ) || - ( c >= 'A' && c <= 'F' ); -} - -static inline int toHex( const TQChar &c ) { - return ( (c >= '0' && c <= '9') - ? (c.tqunicode() - '0') - : ( ( c >= 'a' && c <= 'f' ) - ? (c.tqunicode() - 'a' + 10) - : ( ( c >= 'A' && c <= 'F' ) - ? (c.tqunicode() - 'A' + 10) - : -1 ) ) ); -} - -/* color parsing that tries to match as close as possible IE 6. */ -void HTMLElementImpl::addHTMLColor( int id, const DOMString &c ) -{ - if(!m_styleDecls) createDecl(); - - // this is the only case no color gets applied in IE. - if ( !c.length() ) { - removeCSSProperty(id); - return; - } - - if ( m_styleDecls->setProperty(id, c, false, true) ) - return; - - TQString color = c.string(); - // not something that fits the specs. - - // we're emulating IEs color parser here. It maps transparent to black, otherwise it tries to build a rgb value - // out of everyhting you put in. The algorithm is experimentally determined, but seems to work for all test cases I have. - - // the length of the color value is rounded up to the next - // multiple of 3. each part of the rgb triple then gets one third - // of the length. - // - // Each triplet is parsed byte by byte, mapping - // each number to a hex value (0-9a-fA-F to their values - // everything else to 0). - // - // The highest non zero digit in all triplets is remembered, and - // used as a normalization point to normalize to values between 0 - // and 255. - - if ( color.lower() != "transparent" ) { - if ( color[0] == '#' ) - color.remove( 0, 1 ); - int basicLength = (color.length() + 2) / 3; - if ( basicLength > 1 ) { - // IE ignores colors with three digits or less -// qDebug("trying to fix up color '%s'. basicLength=%d, length=%d", -// color.latin1(), basicLength, color.length() ); - int colors[3] = { 0, 0, 0 }; - int component = 0; - int pos = 0; - int maxDigit = basicLength-1; - while ( component < 3 ) { - // search forward for digits in the string - int numDigits = 0; - while ( pos < (int)color.length() && numDigits < basicLength ) { - int hex = toHex( color[pos] ); - colors[component] = (colors[component] << 4); - if ( hex > 0 ) { - colors[component] += hex; - maxDigit = kMin( maxDigit, numDigits ); - } - numDigits++; - pos++; - } - while ( numDigits++ < basicLength ) - colors[component] <<= 4; - component++; - } - maxDigit = basicLength - maxDigit; -// qDebug("color is %x %x %x, maxDigit=%d", colors[0], colors[1], colors[2], maxDigit ); - - // normalize to 00-ff. The highest filled digit counts, minimum is 2 digits - maxDigit -= 2; - colors[0] >>= 4*maxDigit; - colors[1] >>= 4*maxDigit; - colors[2] >>= 4*maxDigit; -// qDebug("normalized color is %x %x %x", colors[0], colors[1], colors[2] ); - // assert( colors[0] < 0x100 && colors[1] < 0x100 && colors[2] < 0x100 ); - - color.sprintf("#%02x%02x%02x", colors[0], colors[1], colors[2] ); -// qDebug( "trying to add fixed color string '%s'", color.latin1() ); - if ( m_styleDecls->setProperty(id, DOMString(color), false, true) ) - return; - } - } - m_styleDecls->setProperty(id, CSS_VAL_BLACK, false, true); -} - -void HTMLElementImpl::removeCSSProperty(int id) -{ - if(!m_styleDecls) - return; - m_styleDecls->setParent(getDocument()->elementSheet()); - m_styleDecls->removeProperty(id, true /*nonCSSHint */); - setChanged(); -} - -DOMString HTMLElementImpl::innerHTML() const -{ - TQString result; //Use TQString to accumulate since DOMString is poor for appends - for (NodeImpl *child = firstChild(); child != NULL; child = child->nextSibling()) { - DOMString kid = child->toString(); - result += TQConstString(kid.tqunicode(), kid.length()).string(); - } - return result; -} - -DOMString HTMLElementImpl::innerText() const -{ - TQString text = ""; - if(!firstChild()) - return text; - - const NodeImpl *n = this; - // find the next text/image after the anchor, to get a position - while(n) { - if(n->firstChild()) - n = n->firstChild(); - else if(n->nextSibling()) - n = n->nextSibling(); - else { - NodeImpl *next = 0; - while(!next) { - n = n->parentNode(); - if(!n || n == (NodeImpl *)this ) goto end; - next = n->nextSibling(); - } - n = next; - } - if(n->isTextNode() ) { - DOMStringImpl* data = static_cast<const TextImpl *>(n)->string(); - text += TQConstString(data->s, data->l).string(); - } - } - end: - return text; -} - -DocumentFragment HTMLElementImpl::createContextualFragment( const DOMString &html ) -{ - // the following is in accordance with the definition as used by IE - if( endTag[id()] == FORBIDDEN ) - return DocumentFragment(); - // IE disallows innerHTML on inline elements. - // I don't see why we should have this restriction, as our - // dhtml engine can cope with it. Lars - //if ( isInline() ) return false; - switch( id() ) { - case ID_COL: - case ID_COLGROUP: - case ID_FRAMESET: - case ID_HEAD: - case ID_TABLE: - case ID_TBODY: - case ID_TFOOT: - case ID_THEAD: - case ID_TITLE: - return DocumentFragment(); - default: - break; - } - if ( !getDocument()->isHTMLDocument() ) - return DocumentFragment(); - - DocumentFragmentImpl* fragment = new DocumentFragmentImpl( docPtr() ); - DocumentFragment f( fragment ); - { - HTMLTokenizer tok( docPtr(), fragment ); - tok.begin(); - tok.write( html.string(), true ); - tok.end(); - } - - // Exceptions are ignored because none ought to happen here. - int ignoredExceptionCode; - - // we need to pop <html> and <body> elements and remove <head> to - // accomadate folks passing complete HTML documents to make the - // child of an element. - for ( NodeImpl* node = fragment->firstChild(); node; ) { - if (node->id() == ID_HTML || node->id() == ID_BODY) { - NodeImpl* firstChild = node->firstChild(); - NodeImpl* child = firstChild; - while ( child ) { - NodeImpl *nextChild = child->nextSibling(); - fragment->insertBefore(child, node, ignoredExceptionCode); - child = nextChild; - } - if ( !firstChild ) { - NodeImpl *nextNode = node->nextSibling(); - fragment->removeChild(node, ignoredExceptionCode); - node = nextNode; - } else { - fragment->removeChild(node, ignoredExceptionCode); - node = firstChild; - } - } else if (node->id() == ID_HEAD) { - NodeImpl *nextNode = node->nextSibling(); - fragment->removeChild(node, ignoredExceptionCode); - node = nextNode; - } else { - node = node->nextSibling(); - } - } - - return f; -} - -void HTMLElementImpl::setInnerHTML( const DOMString &html, int &exceptioncode ) -{ - // Works line innerText in Gecko - // ### test if needed for ID_SCRIPT as well. - if ( id() == ID_STYLE ) { - setInnerText(html, exceptioncode); - return; - } - - DocumentFragment fragment = createContextualFragment( html ); - if ( fragment.isNull() ) { - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return; - } - - // Make sure adding the new child is ok, before removing all children (#96187) - checkAddChild( fragment.handle(), exceptioncode ); - if ( exceptioncode ) - return; - - removeChildren(); - appendChild( fragment.handle(), exceptioncode ); -} - -void HTMLElementImpl::setInnerText( const DOMString &text, int& exceptioncode ) -{ - // following the IE specs. - if( endTag[id()] == FORBIDDEN ) { - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return; - } - // IE disallows innerHTML on inline elements. I don't see why we should have this restriction, as our - // dhtml engine can cope with it. Lars - //if ( isInline() ) return false; - switch( id() ) { - case ID_COL: - case ID_COLGROUP: - case ID_FRAMESET: - case ID_HEAD: - case ID_HTML: - case ID_TABLE: - case ID_TBODY: - case ID_TFOOT: - case ID_THEAD: - case ID_TR: - exceptioncode = DOMException::NO_MODIFICATION_ALLOWED_ERR; - return; - default: - break; - } - - removeChildren(); - - TextImpl *t = new TextImpl( docPtr(), text.implementation() ); - appendChild( t, exceptioncode ); -} - -void HTMLElementImpl::addHTMLAlignment( DOMString tqalignment ) -{ - //qDebug("tqalignment is %s", tqalignment.string().latin1() ); - // vertical tqalignment with respect to the current baseline of the text - // right or left means floating images - int propfloat = -1; - int propvalign = -1; - if ( strcasecmp( tqalignment, "absmiddle" ) == 0 ) { - propvalign = CSS_VAL_MIDDLE; - } else if ( strcasecmp( tqalignment, "absbottom" ) == 0 ) { - propvalign = CSS_VAL_BOTTOM; - } else if ( strcasecmp( tqalignment, "left" ) == 0 ) { - propfloat = CSS_VAL_LEFT; - propvalign = CSS_VAL_TOP; - } else if ( strcasecmp( tqalignment, "right" ) == 0 ) { - propfloat = CSS_VAL_RIGHT; - propvalign = CSS_VAL_TOP; - } else if ( strcasecmp( tqalignment, "top" ) == 0 ) { - propvalign = CSS_VAL_TOP; - } else if ( strcasecmp( tqalignment, "middle" ) == 0 ) { - propvalign = CSS_VAL__KHTML_BASELINE_MIDDLE; - } else if ( strcasecmp( tqalignment, "center" ) == 0 ) { - propvalign = CSS_VAL_MIDDLE; - } else if ( strcasecmp( tqalignment, "bottom" ) == 0 ) { - propvalign = CSS_VAL_BASELINE; - } else if ( strcasecmp ( tqalignment, "texttop") == 0 ) { - propvalign = CSS_VAL_TEXT_TOP; - } - - if ( propfloat != -1 ) - addCSSProperty( CSS_PROP_FLOAT, propfloat ); - if ( propvalign != -1 ) - addCSSProperty( CSS_PROP_VERTICAL_ALIGN, propvalign ); -} - -DOMString HTMLElementImpl::toString() const -{ - if (!hasChildNodes()) { - DOMString result = openTagStartToString(); - result += ">"; - - if (endTag[id()] == REQUIRED) { - result += "</"; - result += tagName(); - result += ">"; - } - - return result; - } - - return ElementImpl::toString(); -} - -// ------------------------------------------------------------------------- -HTMLGenericElementImpl::HTMLGenericElementImpl(DocumentImpl *doc, ushort i) - : HTMLElementImpl(doc) -{ - _id = i; -} - -HTMLGenericElementImpl::~HTMLGenericElementImpl() -{ -} |