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mshtml: IHTMLElementContainer::item rewrite.

This commit is contained in:
Jacek Caban 2007-10-04 02:14:23 +02:00 committed by Alexandre Julliard
parent ae64937f95
commit dfa0b91fb4
1 changed files with 73 additions and 37 deletions
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110
dlls/mshtml/htmlelem.c
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@ -1469,6 +1469,35 @@ static HRESULT WINAPI HTMLElementCollection_get__newEnum(IHTMLElementCollection
return E_NOTIMPL;
}
static BOOL is_elem_name(HTMLElement *elem, LPCWSTR name)
{
const PRUnichar *str;
nsAString nsstr, nsname;
BOOL ret = FALSE;
nsresult nsres;
static const PRUnichar nameW[] = {'n','a','m','e',0};
nsAString_Init(&nsstr, NULL);
nsIDOMHTMLElement_GetId(elem->nselem, &nsstr);
nsAString_GetData(&nsstr, &str, NULL);
if(!strcmpiW(str, name)) {
nsAString_Finish(&nsstr);
return TRUE;
}
nsAString_Init(&nsname, nameW);
nsres = nsIDOMHTMLElement_GetAttribute(elem->nselem, &nsname, &nsstr);
nsAString_Finish(&nsname);
if(NS_SUCCEEDED(nsres)) {
nsAString_GetData(&nsstr, &str, NULL);
ret = !strcmpiW(str, name);
}
nsAString_Finish(&nsstr);
return ret;
}
static HRESULT WINAPI HTMLElementCollection_item(IHTMLElementCollection *iface,
VARIANT name, VARIANT index, IDispatch **pdisp)
{
@ -1476,12 +1505,15 @@ static HRESULT WINAPI HTMLElementCollection_item(IHTMLElementCollection *iface,
TRACE("(%p)->(v(%d) v(%d) %p)\n", This, V_VT(&name), V_VT(&index), pdisp);
*pdisp = NULL;
if(V_VT(&name) == VT_I4) {
TRACE("name is VT_I4: %d\n", V_I4(&name));
if(V_I4(&name) < 0 || V_I4(&name) >= This->len) {
ERR("Invalid name! name=%d\n", V_I4(&name));
if(V_I4(&name) < 0)
return E_INVALIDARG;
}
if(V_I4(&name) >= This->len)
return S_OK;
*pdisp = (IDispatch*)This->elems[V_I4(&name)];
IDispatch_AddRef(*pdisp);
@ -1491,48 +1523,52 @@ static HRESULT WINAPI HTMLElementCollection_item(IHTMLElementCollection *iface,
if(V_VT(&name) == VT_BSTR) {
DWORD i;
nsAString tag_str;
const PRUnichar *tag;
elem_vector buf = {NULL, 0, 8};
TRACE("name is VT_BSTR: %s\n", debugstr_w(V_BSTR(&name)));
nsAString_Init(&tag_str, NULL);
buf.buf = mshtml_alloc(buf.size*sizeof(HTMLElement*));
if(V_VT(&index) == VT_I4) {
LONG idx = V_I4(&index);
for(i=0; i<This->len; i++) {
if(!This->elems[i]->nselem) continue;
TRACE("index = %d\n", idx);
nsIDOMHTMLElement_GetId(This->elems[i]->nselem, &tag_str);
nsAString_GetData(&tag_str, &tag, NULL);
if(idx < 0)
return E_INVALIDARG;
if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, tag, -1,
V_BSTR(&name), -1) == CSTR_EQUAL) {
TRACE("Found name. elem=%d\n", i);
if (V_VT(&index) == VT_I4)
if (buf.len == V_I4(&index)) {
nsAString_Finish(&tag_str);
mshtml_free(buf.buf);
buf.buf = NULL;
*pdisp = (IDispatch*)This->elems[i];
TRACE("Returning element %d pdisp=%p\n", i, pdisp);
IDispatch_AddRef(*pdisp);
return S_OK;
}
elem_vector_add(&buf, This->elems[i]);
for(i=0; i<This->len; i++) {
if(is_elem_name(This->elems[i], V_BSTR(&name)) && !idx--)
break;
}
if(i != This->len) {
*pdisp = (IDispatch*)HTMLELEM(This->elems[i]);
IDispatch_AddRef(*pdisp);
}
return S_OK;
}else {
elem_vector buf = {NULL, 0, 8};
buf.buf = mshtml_alloc(buf.size*sizeof(HTMLElement*));
for(i=0; i<This->len; i++) {
if(is_elem_name(This->elems[i], V_BSTR(&name)))
elem_vector_add(&buf, This->elems[i]);
}
if(buf.len > 1) {
elem_vector_normalize(&buf);
*pdisp = (IDispatch*)HTMLElementCollection_Create(This->ref_unk, buf.buf, buf.len);
}else {
if(buf.len == 1) {
*pdisp = (IDispatch*)HTMLELEM(buf.buf[0]);
IDispatch_AddRef(*pdisp);
}
mshtml_free(buf.buf);
}
return S_OK;
}
nsAString_Finish(&tag_str);
if (V_VT(&index) == VT_I4) {
mshtml_free(buf.buf);
buf.buf = NULL;
ERR("Invalid index. index=%d >= buf.len=%d\n",V_I4(&index), buf.len);
return E_INVALIDARG;
}
elem_vector_normalize(&buf);
TRACE("Returning %d element(s).\n", buf.len);
*pdisp = (IDispatch*)HTMLElementCollection_Create(This->ref_unk, buf.buf, buf.len);
return S_OK;
}
FIXME("unsupported arguments\n");