mgjs_common.cpp

monqueror一个很具有参考价值的源玛

#include "mgjs_main.h"

#include <../misc/htmlattrs.h>		
#include <html_formimpl.h>
#include <htmltags.h>


#if 0
enum HTMLCollectionImpl_Type {
	// from HTMLDocument
	DOC_IMAGES,    // all IMG elements in the document
	DOC_APPLETS,   // all OBJECT and APPLET elements
	DOC_FORMS,     // all FORMS
	DOC_LINKS,     // all A _and_ AREA elements with a value for href
	DOC_ANCHORS,      // all A elements with a value for name
	// from HTMLTable, HTMLTableSection, HTMLTableRow
	TABLE_ROWS,    // all rows in this table or tablesection
	TABLE_TBODIES, // all TBODY elements in this table
	TSECTION_ROWS, // all rows elements in this table section
	TR_CELLS,      // all CELLS in this row
	// from FORM
	FORM_ELEMENTS,
	// from SELECT
	SELECT_OPTIONS,
	// from HTMLMap
	MAP_AREAS,
	DOC_ALL        // "all" elements
    };
#endif
unsigned long HTMLCollectionImpl_calcLength(NodeImpl *current,int type) 
{
    unsigned long len = 0;
    while(current)
    {
	if(!current->isTextNode())
	{
	    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 FORM_ELEMENTS:
		switch(e->id())
		{
		case ID_INPUT:
		case ID_BUTTON:
		case ID_SELECT:
		case ID_TEXTAREA:
		case ID_ISINDEX:
		    //case ID_LABEL: // ### does it really belong here???
		    len++;
		    break;
		default:
		    break;
		}
		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
		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 += HTMLCollectionImpl_calcLength(current->firstChild(),type);
	}
	current = current->nextSibling();
    }
    return len;
}

// since the collections are to be "live", we have to do the
// calculation every time...
unsigned long HTMLCollectionImpl_length(NodeImpl *base,int type)
{
    return HTMLCollectionImpl_calcLength(base->firstChild(),type);
}

NodeImpl *HTMLCollectionImpl_getItem(NodeImpl *current, int index, int &len,int type)
{
    while(current)
    {
	if(!current->isTextNode())
	{
	    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 FORM_ELEMENTS:
		switch(e->id())
		{
		case ID_INPUT:
		case ID_BUTTON:
		case ID_SELECT:
		case ID_TEXTAREA:
		case ID_ISINDEX:
		    //case ID_LABEL: // ### does it really belong here???
		    len++;
		    break;
		default:
		    break;
		}
		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
		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 = HTMLCollectionImpl_getItem(current->firstChild(), index, len,type);
	    if(retval) return retval;
	}
	current = current->nextSibling();
    }
    return 0;
}
NodeImpl *HTMLCollectionImpl_item(NodeImpl *base, unsigned long index ,int type)
{
	int pos = 0;
	return HTMLCollectionImpl_getItem(base->firstChild(), index, pos,type);
}
NodeImpl *HTMLCollectionImpl_getNamedItem(NodeImpl *current, int attr_id,
					    const DOMString &name ,int type) 
{
    if(name.isEmpty())
	return 0;

    while(current)
    {
	if(!current->isTextNode())
	{
	    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 FORM_ELEMENTS:
		switch(e->id())
		{
		case ID_INPUT:
		case ID_BUTTON:
		case ID_SELECT:
		case ID_TEXTAREA:
		case ID_ISINDEX:
		    //case ID_LABEL: // ### does it really belong here???
		    check = true;
		    break;
		default:
		    break;
		}
		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->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 = HTMLCollectionImpl_getNamedItem(current->firstChild(), attr_id, name, type);
	    if(retval)
	    {	
		//kdDebug( 6030 ) << "got a return value " << retval << endl;
		return retval;
	    }
	}
	current = current->nextSibling();
    }
    return 0;
}
NodeImpl *HTMLCollectionImpl_namedItem(NodeImpl *base,  const DOMString &name ,int type)
{
    NodeImpl *n;
    n = HTMLCollectionImpl_getNamedItem(base->firstChild(), ATTR_ID, name, type);
    if(n) return n;
    return HTMLCollectionImpl_getNamedItem(base->firstChild(), ATTR_NAME, name, type);
}

JSBool HTML_NewObjectByElementCommon(JSContext *cx, JSObject *obj,
	JSObject *protoObj,JSObject *parentObj,ElementImpl *eImpl ,jsval *rval)
{		

	JSObject *newObj=NULL;
	if(!eImpl)return JS_FALSE;
#if 0 //DEBUG_BY_XHTANG
	fprintf(stderr,"Common.cpp:eImpl->id:%d\n",eImpl->id());
#endif
	switch(eImpl->id()){
		case ID_BODY:
			newObj = NewScriptHTMLBodyElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_FORM:
			newObj=NewScriptHTMLFormElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_INPUT:
			newObj=NewScriptHTMLInputElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_SELECT:
			newObj=NewScriptHTMLSelectElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_BUTTON:
			newObj=NewScriptHTMLButtonElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_TEXTAREA:
			newObj=NewScriptHTMLAreaElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_OPTION:
			newObj=NewScriptHTMLOptionElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_P:
			newObj=NewScriptHTMLParagraphElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_OL:
			newObj=NewScriptHTMLOListElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_UL:
			newObj=NewScriptHTMLUListElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_DL:
			newObj=NewScriptHTMLDListElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_HR:
			newObj=NewScriptHTMLHRElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_PRE:
			newObj=NewScriptHTMLPreElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_DIV:
			newObj=NewScriptHTMLDivElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_LEGEND:
			newObj=NewScriptHTMLLegendElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_LABEL:
			newObj=NewScriptHTMLLabelElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_FIELDSET:
			newObj=NewScriptHTMLFieldSetElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_TABLE:
			newObj=NewScriptHTMLTableElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_TR:
			newObj=NewScriptHTMLTableRowElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_TH:
		case ID_TD:
			newObj=NewScriptHTMLTableCellElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_COL:
			newObj=NewScriptHTMLTableColElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_CAPTION:
			newObj=NewScriptHTMLTableCaptionElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_THEAD:
	    case ID_TBODY:
    	case ID_TFOOT: 
			newObj=NewScriptHTMLTableSectionElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_OBJECT:
			newObj=NewScriptHTMLObjectElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_OPTGROUP:
			newObj=NewScriptHTMLOptGroupElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_DIR:
			newObj=NewScriptHTMLDirectoryElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_MENU:
			newObj=NewScriptHTMLMenuElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_H1:
		case ID_H2:
		case ID_H3:
		case ID_H4:
		case ID_H5:
		case ID_H6:
			newObj=NewScriptHTMLHeadingElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_Q:
			newObj=NewScriptHTMLQuoteElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_BR:
			newObj=NewScriptHTMLBRElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_PARAM:
			newObj=NewScriptHTMLParamElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_SCRIPT:
			newObj=NewScriptHTMLScriptElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_AREA:
			newObj=NewScriptHTMLAreaElement(cx,protoObj,parentObj,eImpl);
			break;
			
		case ID_MAP:
			newObj=NewScriptHTMLMapElement(cx,protoObj,parentObj,eImpl);
			break;
			
		case ID_APPLET:
			newObj=NewScriptHTMLAppletElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_IMG:
			newObj=NewScriptHTMLImageElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_A:
			newObj=NewScriptHTMLAnchorElement(cx,protoObj,parentObj,eImpl);
			break;
	    case ID_INS:
    	case ID_DEL: 
			newObj=NewScriptHTMLModElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_FONT:
			newObj=NewScriptHTMLFontElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_BASEFONT:
			newObj=NewScriptHTMLBaseFontElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_BASE:
			newObj=NewScriptHTMLBaseElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_ISINDEX:
			newObj=NewScriptHTMLIsIndexElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_STYLE:
			newObj=NewScriptHTMLStyleElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_META:
			newObj=NewScriptHTMLMetaElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_LINK:
			newObj=NewScriptHTMLLinkElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_HEAD:
			newObj=NewScriptHTMLHeadElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_HTML:
			newObj=NewScriptHTMLHtmlElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_TITLE:
			newObj=NewScriptHTMLTitleElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_FRAMESET:
			newObj=NewScriptHTMLFrameSetElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_FRAME:
			newObj=NewScriptHTMLFrameElement(cx,protoObj,parentObj,eImpl);
			break;
		case ID_IFRAME:
			newObj=NewScriptHTMLIFrameElement(cx,protoObj,parentObj,eImpl);
			break;
#if 0									
		default:
			newObj=NewScriptHTMLElement(cx,mdocp->Element,0,eImpl);
			break;
#endif			
		}
	if(!newObj)return JS_FALSE;
	*rval=OBJECT_TO_JSVAL(newObj);
	return JS_TRUE;
}