NodeImpl *HTMLCollectionImpl::getNamedItem( NodeImpl *current, int attr_id, const DOMString &name ) const { if(name.isEmpty()) return 0; while(current) { if(current->nodeType() == Node::ELEMENT_NODE) { bool deep = true; bool check = false; HTMLElementImpl *e = static_cast<HTMLElementImpl *>(current); switch(type) { case DOC_IMAGES: if(e->id() == ID_IMG) check = true; break; case DOC_FORMS: if(e->id() == ID_FORM) check = true; break; case TABLE_TBODIES: if(e->id() == ID_TBODY) check = true; else if(e->id() == ID_TABLE) deep = false; break; case TR_CELLS: if(e->id() == ID_TD) check = true; else if(e->id() == ID_TABLE) deep = false; break; case TABLE_ROWS: case TSECTION_ROWS: if(e->id() == ID_TR || e->id() == ID_TH) check = true; else if(e->id() == ID_TABLE) deep = false; break; case SELECT_OPTIONS: if(e->id() == ID_OPTION) check = true; break; case MAP_AREAS: if(e->id() == ID_AREA) check = true; break; case DOC_APPLETS: // all OBJECT and APPLET elements if(e->id() == ID_OBJECT || e->id() == ID_APPLET) check = true; break; case DOC_LINKS: // all A _and_ AREA elements with a value for href if(e->id() == ID_A || e->id() == ID_AREA) if(e->getAttribute(ATTR_HREF) != 0) check = true; break; case DOC_ANCHORS: // all A elements with a value for name if( e->hasID() ) check = true; else if(e->id() == ID_A) if(e->getAttribute(ATTR_NAME) != 0) check = true; break; case DOC_ALL: check = true; break; default: kdDebug( 6030 ) << "Error in HTMLCollection, wrong tagId!" << endl; break; } if(check && e->getAttribute(attr_id) == name) { //kdDebug( 6030 ) << "found node: " << e << " " << current << " " << e->id() << endl; return current; } NodeImpl *retval = 0; if(deep && current->firstChild()) retval = getNamedItem(current->firstChild(), attr_id, name); if(retval) { //kdDebug( 6030 ) << "got a return value " << retval << endl; return retval; } } current = current->nextSibling(); } return 0; }
unsigned long HTMLCollectionImpl::calcLength(NodeImpl *current) const { unsigned long len = 0; while(current) { if(current->nodeType() == Node::ELEMENT_NODE) { bool deep = true; HTMLElementImpl *e = static_cast<HTMLElementImpl *>(current); switch(type) { case DOC_IMAGES: if(e->id() == ID_IMG) len++; break; case DOC_FORMS: if(e->id() == ID_FORM) len++; break; case TABLE_TBODIES: if(e->id() == ID_TBODY) len++; else if(e->id() == ID_TABLE) deep = false; break; case TR_CELLS: if(e->id() == ID_TD) len++; else if(e->id() == ID_TABLE) deep = false; break; case TABLE_ROWS: case TSECTION_ROWS: if(e->id() == ID_TR || e->id() == ID_TH) len++; else if(e->id() == ID_TABLE) deep = false; break; case SELECT_OPTIONS: if(e->id() == ID_OPTION) len++; break; case MAP_AREAS: if(e->id() == ID_AREA) len++; break; case DOC_APPLETS: // all OBJECT and APPLET elements if(e->id() == ID_OBJECT || e->id() == ID_APPLET) len++; break; case DOC_LINKS: // all A _and_ AREA elements with a value for href if(e->id() == ID_A || e->id() == ID_AREA) if(e->getAttribute(ATTR_HREF) != 0) len++; break; case DOC_ANCHORS: // all A elements with a value for name and all elements with an id attribute if ( e->hasID() ) len++; else if(e->id() == ID_A) { if(e->getAttribute(ATTR_NAME) != 0) len++; } break; case DOC_ALL: // "all" elements len++; break; default: kdDebug( 6030 ) << "Error in HTMLCollection, wrong tagId!" << endl; } if(deep && current->firstChild()) len += calcLength(current->firstChild()); } current = current->nextSibling(); } return len; }
NodeImpl *HTMLCollectionImpl::getItem(NodeImpl *current, int index, int &len) const { while(current) { if(current->nodeType() == Node::ELEMENT_NODE) { bool deep = true; HTMLElementImpl *e = static_cast<HTMLElementImpl *>(current); switch(type) { case DOC_IMAGES: if(e->id() == ID_IMG) len++; break; case DOC_FORMS: if(e->id() == ID_FORM) len++; break; case TABLE_TBODIES: if(e->id() == ID_TBODY) len++; else if(e->id() == ID_TABLE) deep = false; break; case TR_CELLS: if(e->id() == ID_TD) len++; else if(e->id() == ID_TABLE) deep = false; break; case TABLE_ROWS: case TSECTION_ROWS: if(e->id() == ID_TR || e->id() == ID_TH) len++; else if(e->id() == ID_TABLE) deep = false; break; case SELECT_OPTIONS: if(e->id() == ID_OPTION) len++; break; case MAP_AREAS: if(e->id() == ID_AREA) len++; break; case DOC_APPLETS: // all OBJECT and APPLET elements if(e->id() == ID_OBJECT || e->id() == ID_APPLET) len++; break; case DOC_LINKS: // all A _and_ AREA elements with a value for href if(e->id() == ID_A || e->id() == ID_AREA) if(e->getAttribute(ATTR_HREF) != 0) len++; break; case DOC_ANCHORS: // all A elements with a value for name or an id attribute if( e->hasID() ) len++; else if(e->id() == ID_A) if(e->getAttribute(ATTR_NAME) != 0) len++; break; case DOC_ALL: len++; break; default: kdDebug( 6030 ) << "Error in HTMLCollection, wrong tagId!" << endl; } if(len == (index + 1)) return current; NodeImpl *retval=0; if(deep && current->firstChild()) retval = getItem(current->firstChild(), index, len); if(retval) return retval; } current = current->nextSibling(); } return 0; }