📄 htmlparser.cpp
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} return false; } break; case ID_TITLE: case ID_STYLE: if ( !head ) createHead(); if ( head ) { DOM::NodeImpl *newNode = head->addChild(n); if ( newNode ) { pushBlock(id, tagPriority[id]); setCurrent ( newNode );#if SPEED_DEBUG < 2 if(!n->attached() && HTMLWidget) n->attach();#endif } else {#ifdef PARSER_DEBUG kdDebug( 6035 ) << "adding style before to body failed!!!!" << endl;#endif discard_until = ID_STYLE + ID_CLOSE_TAG; return false; } return true; } else if(inBody) { discard_until = id + ID_CLOSE_TAG; return false; } break; case ID_SCRIPT: // if we failed to insert it, go into skip mode discard_until = id + ID_CLOSE_TAG; break; case ID_BODY: if(inBody && doc()->body()) { // we have another <BODY> element.... apply attributes to existing one // make sure we don't overwrite already existing attributes // some sites use <body bgcolor=rightcolor>...<body bgcolor=wrongcolor> NamedAttrMapImpl *map = static_cast<ElementImpl*>(n)->attributes(true); NamedAttrMapImpl *bmap = doc()->body()->attributes(false); bool changed = false; for (unsigned long l = 0; map && l < map->length(); ++l) { NodeImpl::Id attrId = map->idAt(l); DOMStringImpl *attrValue = map->valueAt(l); if ( !bmap->getValue(attrId) ) { bmap->setValue(attrId,attrValue); changed = true; } } if ( changed ) doc()->recalcStyle( NodeImpl::Inherit ); } else if ( current->isDocumentNode() ) break; return false; break; // the following is a hack to move non rendered elements // outside of tables. // needed for broken constructs like <table><form ...><tr>.... case ID_INPUT: { ElementImpl *e = static_cast<ElementImpl *>(n); DOMString type = e->getAttribute(ATTR_TYPE); if ( strcasecmp( type, "hidden" ) != 0 ) break; // Fall through! } case ID_TEXT: { // Don't try to fit random white-space anywhere TextImpl *t = static_cast<TextImpl *>(n); if (t->containsOnlyWhitespace()) return false; // ignore text inside the following elements. switch(current->id()) { case ID_SELECT: return false; default: ; // fall through!! }; break; } case ID_DL: popBlock( ID_DT ); if ( current->id() == ID_DL ) { e = new HTMLGenericElementImpl( document, ID_DD ); insertNode( e ); handled = true; } break; case ID_AREA: { if(map) { map->addChild(n);#if SPEED_DEBUG < 2 if(!n->attached() && HTMLWidget) n->attach();#endif handled = true; return true; } else return false; } case ID_CAPTION: { switch (current->id()) { case ID_THEAD: case ID_TBODY: case ID_TFOOT: case ID_TR: case ID_TH: case ID_TD: { NodeImpl* tsection = current; if (current->id() == ID_TR) tsection = current->parent(); else if (current->id() == ID_TD || current->id() == ID_TH) tsection = current->parent()->parent(); NodeImpl* table = tsection->parent(); int exceptioncode = 0; table->insertBefore(n, tsection, exceptioncode); pushBlock(id, tagPriority[id]); setCurrent(n); inStrayTableContent++; blockStack->strayTableContent = true; return true; } default: break; } break; } case ID_THEAD: case ID_TBODY: case ID_TFOOT: case ID_COLGROUP: { if (isTableRelatedTag(current->id())) { while (blockStack && current->id() != ID_TABLE && isTableRelatedTag(current->id())) popOneBlock(); return insertNode(n); } } default: break; } // switch on the currently active element switch(current->id()) { case ID_HTML: switch(id) { case ID_SCRIPT: case ID_STYLE: case ID_META: case ID_LINK: case ID_OBJECT: case ID_EMBED: case ID_TITLE: case ID_ISINDEX: case ID_BASE: if(!head) { head = new HTMLHeadElementImpl(document); e = head; insertNode(e); handled = true; } break; case ID_TEXT: { TextImpl *t = static_cast<TextImpl *>(n); if (t->containsOnlyWhitespace()) return false; /* Fall through to default */ } default: if ( haveFrameSet ) break; e = new HTMLBodyElementImpl(document); startBody(); insertNode(e); handled = true; break; } break; case ID_HEAD: // we can get here only if the element is not allowed in head. if (id == ID_HTML) return false; else { // This means the body starts here... if ( haveFrameSet ) break; popBlock(ID_HEAD); e = new HTMLBodyElementImpl(document); startBody(); insertNode(e); handled = true; } break; case ID_BODY: break; case ID_CAPTION: // Illegal content in a caption. Close the caption and try again. popBlock(ID_CAPTION); switch( id ) { case ID_THEAD: case ID_TFOOT: case ID_TBODY: case ID_TR: case ID_TD: case ID_TH: return insertNode(n, flat); } break; case ID_TABLE: case ID_THEAD: case ID_TFOOT: case ID_TBODY: case ID_TR: switch(id) { case ID_TABLE: popBlock(ID_TABLE); // end the table handled = checkChild( current->id(), id, !doc()->inCompatMode()); break; default: { NodeImpl *node = current; NodeImpl *parent = node->parentNode(); NodeImpl *parentparent = parent->parentNode(); if (n->isTextNode() || ( node->id() == ID_TR && ( parent->id() == ID_THEAD || parent->id() == ID_TBODY || parent->id() == ID_TFOOT ) && parentparent->id() == ID_TABLE ) || ( !checkChild( ID_TR, id ) && ( node->id() == ID_THEAD || node->id() == ID_TBODY || node->id() == ID_TFOOT ) && parent->id() == ID_TABLE ) ) { node = (node->id() == ID_TABLE) ? node : ((node->id() == ID_TR ) ? parentparent : parent); NodeImpl *parent = node->parentNode(); int exceptioncode = 0;#ifdef PARSER_DEBUG kdDebug( 6035 ) << "calling insertBefore(" << n->nodeName().string() << "," << node->nodeName().string() << ")" << endl;#endif parent->insertBefore(n, node, exceptioncode); if (exceptioncode) {#ifndef PARSER_DEBUG if (!n->isTextNode())#endif kdDebug(6035) << "adding content before table failed.." << endl; break; } if ( n->isElementNode() && tagPriority[id] != 0 && !flat && endTag[id] != DOM::FORBIDDEN ) { pushBlock(id, tagPriority[id]); setCurrent ( n ); inStrayTableContent++; blockStack->strayTableContent = true; } return true; } if ( current->id() == ID_TR ) e = new HTMLTableCellElementImpl(document, ID_TD); else if ( current->id() == ID_TABLE ) e = new HTMLTableSectionElementImpl( document, ID_TBODY, true /* implicit */ ); else e = new HTMLTableRowElementImpl( document ); insertNode(e); handled = true; break; } // end default } // end switch break; case ID_OBJECT: discard_until = id + ID_CLOSE_TAG; return false; case ID_UL: case ID_OL: case ID_DIR: case ID_MENU: e = new HTMLLIElementImpl(document); e->addCSSProperty(CSS_PROP_LIST_STYLE_TYPE, CSS_VAL_NONE); insertNode(e); handled = true; break; case ID_DL: popBlock(ID_DL); handled = true; break; case ID_DT: popBlock(ID_DT); handled = true; break; case ID_FORM: popBlock(ID_FORM); handled = true; break; case ID_SELECT: if( n->isInline() ) return false; break; case ID_P: case ID_H1: case ID_H2: case ID_H3: case ID_H4: case ID_H5: case ID_H6: if(!n->isInline()) { popBlock(current->id()); handled = true; } break; case ID_OPTION: case ID_OPTGROUP: if (id == ID_OPTGROUP) { popBlock(current->id()); handled = true; } else if(id == ID_SELECT) { // IE treats a nested select as </select>. Let's do the same popBlock( ID_SELECT ); break; } break; // head elements in the body should be ignored. case ID_ADDRESS: case ID_COLGROUP: case ID_FONT: popBlock(current->id()); handled = true; break; default: if(current->isDocumentNode()) { if(current->firstChild() == 0) { e = new HTMLHtmlElementImpl(document); insertNode(e); handled = true; } } else if(current->isInline()) { popInlineBlocks(); handled = true; } } // if we couldn't handle the error, just rethrow the exception... if(!handled) { //kdDebug( 6035 ) << "Exception handler failed in HTMLPArser::insertNode()" << endl; return false; } return insertNode(n); }}NodeImpl *KHTMLParser::getElement(Token* t){ NodeImpl *n = 0; switch(t->tid) { case ID_HTML: n = new HTMLHtmlElementImpl(document); break; case ID_HEAD: if(!head && current->id() == ID_HTML) { head = new HTMLHeadElementImpl(document); n = head; } break; case ID_BODY: // body no longer allowed if we have a frameset if(haveFrameSet) break; popBlock(ID_HEAD); n = new HTMLBodyElementImpl(document); haveBody = true; startBody(); break;// head elements case ID_BASE: n = new HTMLBaseElementImpl(document); break; case ID_LINK: n = new HTMLLinkElementImpl(document); break; case ID_META: n = new HTMLMetaElementImpl(document); break; case ID_STYLE: n = new HTMLStyleElementImpl(document); break; case ID_TITLE: // only one non-empty <title> allowed if (haveTitle) { discard_until = ID_TITLE+ID_CLOSE_TAG; break; } n = new HTMLTitleElementImpl(document); // we'll set haveTitle when closing the tag break;// frames case ID_FRAME:⌨️ 快捷键说明
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