static HRESULT WINAPI HtmlLoadOptions_QueryOption(IHtmlLoadOptions *iface, DWORD dwOption,
LPVOID pBuffer, ULONG *pcbBuf)
{
HTMLLoadOptions *This = impl_from_IHtmlLoadOptions(iface);
load_opt *iter;
TRACE("(%p)->(%d %p %p)\n", This, dwOption, pBuffer, pcbBuf);
for(iter = This->opts; iter; iter = iter->next) {
if(iter->option == dwOption)
break;
}
if(!iter) {
*pcbBuf = 0;
return S_OK;
}
if(*pcbBuf < iter->size) {
*pcbBuf = iter->size;
return E_FAIL;
}
memcpy(pBuffer, iter->buffer, iter->size);
*pcbBuf = iter->size;
return S_OK;
}
static HRESULT WINAPI HtmlLoadOptions_QueryInterface(IHtmlLoadOptions *iface,
REFIID riid, void **ppv)
{
HTMLLoadOptions *This = impl_from_IHtmlLoadOptions(iface);
*ppv = NULL;
if(IsEqualGUID(&IID_IUnknown, riid)) {
TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
*ppv = &This->IHtmlLoadOptions_iface;
}else if(IsEqualGUID(&IID_IOptionArray, riid)) {
TRACE("(%p)->(IID_IOptionArray %p)\n", This, ppv);
*ppv = &This->IHtmlLoadOptions_iface;
}else if(IsEqualGUID(&IID_IHtmlLoadOptions, riid)) {
TRACE("(%p)->(IID_IHtmlLoadOptions %p)\n", This, ppv);
*ppv = &This->IHtmlLoadOptions_iface;
}
if(*ppv) {
IHtmlLoadOptions_AddRef(&This->IHtmlLoadOptions_iface);
return S_OK;
}
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
return E_NOINTERFACE;
}
static ULONG WINAPI HtmlLoadOptions_AddRef(IHtmlLoadOptions *iface)
{
HTMLLoadOptions *This = impl_from_IHtmlLoadOptions(iface);
LONG ref = InterlockedIncrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
return ref;
}
static ULONG WINAPI HtmlLoadOptions_Release(IHtmlLoadOptions *iface)
{
HTMLLoadOptions *This = impl_from_IHtmlLoadOptions(iface);
LONG ref = InterlockedDecrement(&This->ref);
TRACE("(%p) ref=%d\n", This, ref);
if(!ref) {
load_opt *iter = This->opts, *last;
while(iter) {
last = iter;
iter = iter->next;
heap_free(last->buffer);
heap_free(last);
}
heap_free(This);
}
return ref;
}
static HRESULT WINAPI HtmlLoadOptions_SetOption(IHtmlLoadOptions *iface, DWORD dwOption,
LPVOID pBuffer, ULONG cbBuf)
{
HTMLLoadOptions *This = impl_from_IHtmlLoadOptions(iface);
load_opt *iter = NULL;
TRACE("(%p)->(%d %p %d)\n", This, dwOption, pBuffer, cbBuf);
for(iter = This->opts; iter; iter = iter->next) {
if(iter->option == dwOption)
break;
}
if(!iter) {
iter = heap_alloc(sizeof(load_opt));
iter->next = This->opts;
This->opts = iter;
iter->option = dwOption;
}else {
heap_free(iter->buffer);
}
if(!cbBuf) {
iter->buffer = NULL;
iter->size = 0;
return S_OK;
}
iter->size = cbBuf;
iter->buffer = heap_alloc(cbBuf);
memcpy(iter->buffer, pBuffer, iter->size);
return S_OK;
}