本文整理汇总了C++中HTMLDocument::FindElement方法的典型用法代码示例。如果您正苦于以下问题：C++ HTMLDocument::FindElement方法的具体用法？C++ HTMLDocument::FindElement怎么用？C++ HTMLDocument::FindElement使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类HTMLDocument的用法示例。
在下文中一共展示了HTMLDocument::FindElement方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: jhtml_collection_item
/**
* HTMLCollection item(long) method
*
* param - index - the index of the element to get
* return - the HTMLElement at index
*/
JSBool jhtml_collection_item(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
int index;
int32 dIndex = 0;
WebcJSScript *jsscr = (WebcJSScript *) jhutil_GetContextPrivate(cx);
WebcJSDocumentContext *jsmgr = (jsscr)? jsscr->GetJSMgr() : 0;
if (!jsmgr)
{
return JS_FALSE;
}
HTMLDocument *pDoc = jsmgr->GetDocument();
if (!pDoc)
{
return JS_FALSE;
}
//if we have at least 1 argument and it is a number
if (argc > 0 && JSVAL_IS_INT(argv[0]))
{
//convert the jsval to a number
JS_ValueToInt32(cx, argv[0], &dIndex);
index = (int)dIndex;
HTMLElementType ele_type = HTML_ELEMENT_NONE;
jhtml_collection *pColl = (jhtml_collection*)jhutil_GetPrivate(cx, obj);
if (!pColl)
{
return JS_FALSE;
}
HTMLElement *pElem = 0;
switch(pColl->finderType)
{
case DOCUMENT_IMAGES:
ele_type = HTML_IMAGE_ELEMENT;
break;
case DOCUMENT_ANCHORS:
ele_type = HTML_ANCHOR_ELEMENT;
break;
case TABLE_ROWS:
ele_type = HTML_TABLE_ROW_ELEMENT;
break;
case TABLEROW_CELLS:
ele_type = HTML_TABLE_CELL_ELEMENT;
break;
case MAP_AREAS:
ele_type = HTML_AREA_ELEMENT;
break;
case SELECT_OPTIONS:
ele_type = HTML_OPTION_ELEMENT;
break;
case WIN_FRAMES:
{
*rval = JSVAL_NULL;
#if (WEBC_SUPPORT_FRAMES)
HTMLNthOfTypeFinder finder(HTML_FRAME_ELEMENT, index);
pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
if (pElem)
{
HTMLFrame *pFrame = (HTMLFrame *) pElem;
if (pFrame->FrameDocument() && pFrame->FrameDocument()->GetJSMgr())
{
*rval = OBJECT_TO_JSVAL(pFrame->FrameDocument()->GetJSMgr()->GetGlobalObject());
}
}
#endif // WEBC_SUPPORT_FRAMES
return JS_TRUE;
}
case ELEMENT_NODES:
{
HTMLNthOfAnyTypeFinder finder(index);
pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_NODES_DEFAULT);
if (pElem)
{
*rval = OBJECT_TO_JSVAL(pElem->CreateJSObject());
}
else
{
*rval = JSVAL_NULL;
}
return JS_TRUE;
}
case DOCUMENT_FORMS:
{
HTMLElementTypeFinder formFinder(HTML_FORM_ELEMENT);
HTMLNthElementFinder nthFormFinder(&formFinder, index);
pElem = pDoc->FindElement(&nthFormFinder);
//.........这里部分代码省略.........
示例2: jhtml_collection_namedItem
/**
* HTMLCollection namedItem(long) method
*
* param - name - the name of the element to get
* return - the first htmlelement in the tree with the given name
*/
JSBool jhtml_collection_namedItem(JSContext *cx, JSObject *obj, uintN argc, jsval *argv, jsval *rval)
{
WebcJSScript *jsscr = (WebcJSScript *) jhutil_GetContextPrivate(cx);
WebcJSDocumentContext *jsmgr = (jsscr)? jsscr->GetJSMgr() : 0;
if (!jsmgr)
{
return JS_FALSE;
}
HTMLDocument *pDoc = jsmgr->GetDocument();
if (!pDoc)
{
return JS_FALSE;
}
HTMLElementType ele_type = HTML_ELEMENT_NONE;
//if we have atleast one argument and it is a string
if (argc > 0 && JSVAL_IS_STRINGABLE(argv[0]))
{
//conver the JSString to char *
WEBC_CHAR *name = WEBC_JS_STRING_TO_WEBC_STRING(JS_ValueToString(cx, argv[0]));
if (!name || !(*name))
{
*rval = JSVAL_NULL;
return JS_TRUE;;
}
if (webc_c_stricmp(name, "toString")==0)
{
return JS_TRUE;
}
jhtml_collection *pColl = (jhtml_collection*)jhutil_GetPrivate(cx, obj);
if (!pColl)
return JS_TRUE;
HTMLElement *pElem = 0;
switch(pColl->finderType)
{
case DOCUMENT_IMAGES:
ele_type = HTML_IMAGE_ELEMENT;
break;
case DOCUMENT_ANCHORS:
ele_type = HTML_ANCHOR_ELEMENT;
break;
case TABLE_ROWS:
ele_type = HTML_TABLE_ROW_ELEMENT;
break;
case TABLEROW_CELLS:
ele_type = HTML_TABLE_CELL_ELEMENT;
break;
case MAP_AREAS:
ele_type = HTML_AREA_ELEMENT;
break;
case SELECT_OPTIONS:
ele_type = HTML_OPTION_ELEMENT;
break;
case WIN_FRAMES:
{
#if (WEBC_SUPPORT_FRAMES)
HTMLTypeAndNameOrIdFinder finder(name, HTML_FRAME_ELEMENT);
pElem = pColl->pTop->FindElement(&finder,1, INCLUDE_SELF_ELEMENT_DEFAULT);
if (pElem)
{
HTMLFrame *pFrame = (HTMLFrame *) pElem;
if (pFrame->FrameDocument() && pFrame->FrameDocument()->GetJSMgr())
{
*rval = OBJECT_TO_JSVAL(pFrame->FrameDocument()->GetJSMgr()->GetGlobalObject());
return JS_TRUE;
}
}
*rval = JSVAL_NULL;
#endif // WEBC_SUPPORT_FRAMES
return JS_TRUE;
}
case DOCUMENT_FORMS:
{
WebcJSScript *jsscr = (WebcJSScript *) jhutil_GetContextPrivate(cx);
WebcJSDocumentContext *jsmgr = (jsscr)? jsscr->GetJSMgr() : 0;
if (jsmgr)
{
HTMLNameOrIdFinder nameFinder(name);
HTMLElementTypeFinder formFinder(HTML_FORM_ELEMENT);
HTMLElementAndFinder formNameFinder(&nameFinder, &formFinder);
HTMLDocument *pDoc = jsmgr->GetDocument();
pElem = pDoc->FindElement(&formNameFinder);
}
//.........这里部分代码省略.........