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597 lines
17 KiB
C
597 lines
17 KiB
C
/*
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* Copyright 2006-2008 Jacek Caban for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <stdarg.h>
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#define COBJMACROS
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#include "windef.h"
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#include "winbase.h"
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#include "winuser.h"
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#include "ole2.h"
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#include "wine/debug.h"
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#include "mshtml_private.h"
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WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
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typedef struct {
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DispatchEx dispex;
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const IHTMLElementCollectionVtbl *lpHTMLElementCollectionVtbl;
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IUnknown *ref_unk;
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HTMLElement **elems;
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DWORD len;
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LONG ref;
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} HTMLElementCollection;
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#define HTMLELEMCOL(x) ((IHTMLElementCollection*) &(x)->lpHTMLElementCollectionVtbl)
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typedef struct {
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HTMLElement **buf;
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DWORD len;
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DWORD size;
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} elem_vector_t;
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static IHTMLElementCollection *HTMLElementCollection_Create(IUnknown *ref_unk,
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HTMLElement **elems, DWORD len);
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static void elem_vector_add(elem_vector_t *buf, HTMLElement *elem)
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{
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if(buf->len == buf->size) {
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buf->size <<= 1;
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buf->buf = heap_realloc(buf->buf, buf->size*sizeof(HTMLElement**));
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}
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buf->buf[buf->len++] = elem;
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}
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static void elem_vector_normalize(elem_vector_t *buf)
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{
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if(!buf->len) {
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heap_free(buf->buf);
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buf->buf = NULL;
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}else if(buf->size > buf->len) {
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buf->buf = heap_realloc(buf->buf, buf->len*sizeof(HTMLElement**));
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}
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buf->size = buf->len;
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}
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static inline BOOL is_elem_node(nsIDOMNode *node)
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{
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PRUint16 type=0;
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nsIDOMNode_GetNodeType(node, &type);
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return type == ELEMENT_NODE || type == COMMENT_NODE;
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}
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#define ELEMCOL_THIS(iface) DEFINE_THIS(HTMLElementCollection, HTMLElementCollection, iface)
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#define HTMLELEM_NODE_THIS(iface) DEFINE_THIS2(HTMLElement, node, iface)
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static HRESULT WINAPI HTMLElementCollection_QueryInterface(IHTMLElementCollection *iface,
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REFIID riid, void **ppv)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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*ppv = NULL;
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if(IsEqualGUID(&IID_IUnknown, riid)) {
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TRACE("(%p)->(IID_IUnknown %p)\n", This, ppv);
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*ppv = HTMLELEMCOL(This);
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}else if(IsEqualGUID(&IID_IHTMLElementCollection, riid)) {
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TRACE("(%p)->(IID_IHTMLElementCollection %p)\n", This, ppv);
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*ppv = HTMLELEMCOL(This);
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}else if(dispex_query_interface(&This->dispex, riid, ppv)) {
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return *ppv ? S_OK : E_NOINTERFACE;
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}
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if(*ppv) {
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IHTMLElementCollection_AddRef(HTMLELEMCOL(This));
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return S_OK;
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}
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FIXME("(%p)->(%s %p)\n", This, debugstr_guid(riid), ppv);
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return E_NOINTERFACE;
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}
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static ULONG WINAPI HTMLElementCollection_AddRef(IHTMLElementCollection *iface)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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LONG ref = InterlockedIncrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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return ref;
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}
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static ULONG WINAPI HTMLElementCollection_Release(IHTMLElementCollection *iface)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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LONG ref = InterlockedDecrement(&This->ref);
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TRACE("(%p) ref=%d\n", This, ref);
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if(!ref) {
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IUnknown_Release(This->ref_unk);
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release_dispex(&This->dispex);
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heap_free(This->elems);
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heap_free(This);
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}
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return ref;
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}
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static HRESULT WINAPI HTMLElementCollection_GetTypeInfoCount(IHTMLElementCollection *iface,
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UINT *pctinfo)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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return IDispatchEx_GetTypeInfoCount(DISPATCHEX(&This->dispex), pctinfo);
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}
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static HRESULT WINAPI HTMLElementCollection_GetTypeInfo(IHTMLElementCollection *iface,
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UINT iTInfo, LCID lcid, ITypeInfo **ppTInfo)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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return IDispatchEx_GetTypeInfo(DISPATCHEX(&This->dispex), iTInfo, lcid, ppTInfo);
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}
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static HRESULT WINAPI HTMLElementCollection_GetIDsOfNames(IHTMLElementCollection *iface,
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REFIID riid, LPOLESTR *rgszNames, UINT cNames, LCID lcid, DISPID *rgDispId)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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return IDispatchEx_GetIDsOfNames(DISPATCHEX(&This->dispex), riid, rgszNames, cNames, lcid, rgDispId);
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}
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static HRESULT WINAPI HTMLElementCollection_Invoke(IHTMLElementCollection *iface,
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DISPID dispIdMember, REFIID riid, LCID lcid, WORD wFlags, DISPPARAMS *pDispParams,
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VARIANT *pVarResult, EXCEPINFO *pExcepInfo, UINT *puArgErr)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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return IDispatchEx_Invoke(DISPATCHEX(&This->dispex), dispIdMember, riid, lcid,
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wFlags, pDispParams, pVarResult, pExcepInfo, puArgErr);
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}
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static HRESULT WINAPI HTMLElementCollection_toString(IHTMLElementCollection *iface,
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BSTR *String)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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FIXME("(%p)->(%p)\n", This, String);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI HTMLElementCollection_put_length(IHTMLElementCollection *iface,
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LONG v)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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FIXME("(%p)->(%d)\n", This, v);
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return E_NOTIMPL;
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}
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static HRESULT WINAPI HTMLElementCollection_get_length(IHTMLElementCollection *iface,
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LONG *p)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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TRACE("(%p)->(%p)\n", This, p);
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*p = This->len;
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return S_OK;
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}
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static HRESULT WINAPI HTMLElementCollection_get__newEnum(IHTMLElementCollection *iface,
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IUnknown **p)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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FIXME("(%p)->(%p)\n", This, p);
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return E_NOTIMPL;
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}
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static BOOL is_elem_id(HTMLElement *elem, LPCWSTR name)
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{
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BSTR elem_id;
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HRESULT hres;
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hres = IHTMLElement_get_id(HTMLELEM(elem), &elem_id);
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if(FAILED(hres)){
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WARN("IHTMLElement_get_id failed: 0x%08x\n", hres);
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return FALSE;
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}
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if(elem_id && !strcmpW(elem_id, name)) {
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SysFreeString(elem_id);
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return TRUE;
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}
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SysFreeString(elem_id);
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return FALSE;
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}
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static BOOL is_elem_name(HTMLElement *elem, LPCWSTR name)
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{
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const PRUnichar *str;
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nsAString nsstr, nsname;
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BOOL ret = FALSE;
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nsresult nsres;
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static const PRUnichar nameW[] = {'n','a','m','e',0};
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if(!elem->nselem)
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return FALSE;
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nsAString_Init(&nsstr, NULL);
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nsIDOMHTMLElement_GetId(elem->nselem, &nsstr);
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nsAString_GetData(&nsstr, &str);
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if(!strcmpiW(str, name)) {
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nsAString_Finish(&nsstr);
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return TRUE;
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}
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nsAString_InitDepend(&nsname, nameW);
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nsres = nsIDOMHTMLElement_GetAttribute(elem->nselem, &nsname, &nsstr);
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nsAString_Finish(&nsname);
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if(NS_SUCCEEDED(nsres)) {
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nsAString_GetData(&nsstr, &str);
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ret = !strcmpiW(str, name);
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}
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nsAString_Finish(&nsstr);
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return ret;
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}
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static HRESULT get_item_idx(HTMLElementCollection *This, UINT idx, IDispatch **ret)
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{
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if(idx < This->len) {
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*ret = (IDispatch*)This->elems[idx];
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IDispatch_AddRef(*ret);
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}
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return S_OK;
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}
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static HRESULT WINAPI HTMLElementCollection_item(IHTMLElementCollection *iface,
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VARIANT name, VARIANT index, IDispatch **pdisp)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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HRESULT hres = S_OK;
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TRACE("(%p)->(%s %s %p)\n", This, debugstr_variant(&name), debugstr_variant(&index), pdisp);
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*pdisp = NULL;
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switch(V_VT(&name)) {
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case VT_I4:
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if(V_I4(&name) < 0)
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return E_INVALIDARG;
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hres = get_item_idx(This, V_I4(&name), pdisp);
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break;
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case VT_UINT:
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hres = get_item_idx(This, V_UINT(&name), pdisp);
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break;
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case VT_BSTR: {
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DWORD i;
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if(V_VT(&index) == VT_I4) {
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LONG idx = V_I4(&index);
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if(idx < 0)
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return E_INVALIDARG;
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for(i=0; i<This->len; i++) {
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if(is_elem_name(This->elems[i], V_BSTR(&name)) && !idx--)
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break;
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}
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if(i != This->len) {
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*pdisp = (IDispatch*)HTMLELEM(This->elems[i]);
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IDispatch_AddRef(*pdisp);
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}
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}else {
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elem_vector_t buf = {NULL, 0, 8};
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buf.buf = heap_alloc(buf.size*sizeof(HTMLElement*));
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for(i=0; i<This->len; i++) {
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if(is_elem_name(This->elems[i], V_BSTR(&name)))
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elem_vector_add(&buf, This->elems[i]);
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}
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if(buf.len > 1) {
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elem_vector_normalize(&buf);
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*pdisp = (IDispatch*)HTMLElementCollection_Create(This->ref_unk, buf.buf, buf.len);
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}else {
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if(buf.len == 1) {
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*pdisp = (IDispatch*)HTMLELEM(buf.buf[0]);
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IDispatch_AddRef(*pdisp);
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}
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heap_free(buf.buf);
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}
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}
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break;
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}
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default:
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FIXME("Unsupported name %s\n", debugstr_variant(&name));
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hres = E_NOTIMPL;
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}
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if(SUCCEEDED(hres))
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TRACE("returning %p\n", *pdisp);
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return hres;
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}
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static HRESULT WINAPI HTMLElementCollection_tags(IHTMLElementCollection *iface,
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VARIANT tagName, IDispatch **pdisp)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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DWORD i;
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nsAString tag_str;
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const PRUnichar *tag;
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elem_vector_t buf = {NULL, 0, 8};
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if(V_VT(&tagName) != VT_BSTR) {
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WARN("Invalid arg\n");
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return DISP_E_MEMBERNOTFOUND;
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}
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TRACE("(%p)->(%s %p)\n", This, debugstr_w(V_BSTR(&tagName)), pdisp);
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buf.buf = heap_alloc(buf.size*sizeof(HTMLElement*));
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nsAString_Init(&tag_str, NULL);
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for(i=0; i<This->len; i++) {
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if(!This->elems[i]->nselem)
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continue;
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nsIDOMElement_GetTagName(This->elems[i]->nselem, &tag_str);
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nsAString_GetData(&tag_str, &tag);
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if(CompareStringW(LOCALE_SYSTEM_DEFAULT, NORM_IGNORECASE, tag, -1,
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V_BSTR(&tagName), -1) == CSTR_EQUAL)
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elem_vector_add(&buf, This->elems[i]);
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}
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nsAString_Finish(&tag_str);
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elem_vector_normalize(&buf);
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TRACE("fount %d tags\n", buf.len);
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*pdisp = (IDispatch*)HTMLElementCollection_Create(This->ref_unk, buf.buf, buf.len);
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return S_OK;
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}
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#define DISPID_ELEMCOL_0 MSHTML_DISPID_CUSTOM_MIN
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static HRESULT HTMLElementCollection_get_dispid(IUnknown *iface, BSTR name, DWORD flags, DISPID *dispid)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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WCHAR *ptr;
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DWORD idx=0;
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if(!*name)
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return DISP_E_UNKNOWNNAME;
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for(ptr = name; *ptr && isdigitW(*ptr); ptr++)
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idx = idx*10 + (*ptr-'0');
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if(*ptr) {
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/* the name contains alpha characters, so search by name & id */
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for(idx = 0; idx < This->len; ++idx) {
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if(is_elem_id(This->elems[idx], name) ||
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is_elem_name(This->elems[idx], name))
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break;
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}
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}
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if(idx >= This->len)
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return DISP_E_UNKNOWNNAME;
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*dispid = DISPID_ELEMCOL_0 + idx;
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TRACE("ret %x\n", *dispid);
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return S_OK;
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}
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static HRESULT HTMLElementCollection_invoke(IUnknown *iface, DISPID id, LCID lcid, WORD flags, DISPPARAMS *params,
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VARIANT *res, EXCEPINFO *ei, IServiceProvider *caller)
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{
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HTMLElementCollection *This = ELEMCOL_THIS(iface);
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DWORD idx;
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TRACE("(%p)->(%x %x %x %p %p %p %p)\n", This, id, lcid, flags, params, res, ei, caller);
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idx = id - DISPID_ELEMCOL_0;
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if(idx >= This->len)
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return DISP_E_UNKNOWNNAME;
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switch(flags) {
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case DISPATCH_PROPERTYGET:
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V_VT(res) = VT_DISPATCH;
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V_DISPATCH(res) = (IDispatch*)HTMLELEM(This->elems[idx]);
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IHTMLElement_AddRef(HTMLELEM(This->elems[idx]));
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break;
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default:
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FIXME("unimplemented flags %x\n", flags);
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return E_NOTIMPL;
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}
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return S_OK;
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}
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#undef ELEMCOL_THIS
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static const IHTMLElementCollectionVtbl HTMLElementCollectionVtbl = {
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HTMLElementCollection_QueryInterface,
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HTMLElementCollection_AddRef,
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HTMLElementCollection_Release,
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HTMLElementCollection_GetTypeInfoCount,
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HTMLElementCollection_GetTypeInfo,
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HTMLElementCollection_GetIDsOfNames,
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HTMLElementCollection_Invoke,
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HTMLElementCollection_toString,
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HTMLElementCollection_put_length,
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HTMLElementCollection_get_length,
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HTMLElementCollection_get__newEnum,
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HTMLElementCollection_item,
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HTMLElementCollection_tags
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};
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static const dispex_static_data_vtbl_t HTMLElementColection_dispex_vtbl = {
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NULL,
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HTMLElementCollection_get_dispid,
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HTMLElementCollection_invoke
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};
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static const tid_t HTMLElementCollection_iface_tids[] = {
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IHTMLElementCollection_tid,
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0
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};
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static dispex_static_data_t HTMLElementCollection_dispex = {
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&HTMLElementColection_dispex_vtbl,
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DispHTMLElementCollection_tid,
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NULL,
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HTMLElementCollection_iface_tids
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};
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static void create_all_list(HTMLDocumentNode *doc, HTMLDOMNode *elem, elem_vector_t *buf)
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{
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nsIDOMNodeList *nsnode_list;
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nsIDOMNode *iter;
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PRUint32 list_len = 0, i;
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nsresult nsres;
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nsres = nsIDOMNode_GetChildNodes(elem->nsnode, &nsnode_list);
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if(NS_FAILED(nsres)) {
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ERR("GetChildNodes failed: %08x\n", nsres);
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return;
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}
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nsIDOMNodeList_GetLength(nsnode_list, &list_len);
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if(!list_len)
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return;
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for(i=0; i<list_len; i++) {
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nsres = nsIDOMNodeList_Item(nsnode_list, i, &iter);
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if(NS_FAILED(nsres)) {
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ERR("Item failed: %08x\n", nsres);
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continue;
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}
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if(is_elem_node(iter)) {
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HTMLDOMNode *node = get_node(doc, iter, TRUE);
|
|
|
|
elem_vector_add(buf, HTMLELEM_NODE_THIS(node));
|
|
create_all_list(doc, node, buf);
|
|
}
|
|
}
|
|
}
|
|
|
|
IHTMLElementCollection *create_all_collection(HTMLDOMNode *node, BOOL include_root)
|
|
{
|
|
elem_vector_t buf = {NULL, 0, 8};
|
|
|
|
buf.buf = heap_alloc(buf.size*sizeof(HTMLElement**));
|
|
|
|
if(include_root)
|
|
elem_vector_add(&buf, HTMLELEM_NODE_THIS(node));
|
|
create_all_list(node->doc, node, &buf);
|
|
elem_vector_normalize(&buf);
|
|
|
|
return HTMLElementCollection_Create((IUnknown*)HTMLDOMNODE(node), buf.buf, buf.len);
|
|
}
|
|
|
|
IHTMLElementCollection *create_collection_from_nodelist(HTMLDocumentNode *doc, IUnknown *unk, nsIDOMNodeList *nslist)
|
|
{
|
|
PRUint32 length = 0, i;
|
|
elem_vector_t buf;
|
|
|
|
nsIDOMNodeList_GetLength(nslist, &length);
|
|
|
|
buf.len = 0;
|
|
buf.size = length;
|
|
if(length) {
|
|
nsIDOMNode *nsnode;
|
|
|
|
buf.buf = heap_alloc(buf.size*sizeof(HTMLElement*));
|
|
|
|
for(i=0; i<length; i++) {
|
|
nsIDOMNodeList_Item(nslist, i, &nsnode);
|
|
if(is_elem_node(nsnode))
|
|
buf.buf[buf.len++] = HTMLELEM_NODE_THIS(get_node(doc, nsnode, TRUE));
|
|
nsIDOMNode_Release(nsnode);
|
|
}
|
|
|
|
elem_vector_normalize(&buf);
|
|
}else {
|
|
buf.buf = NULL;
|
|
}
|
|
|
|
return HTMLElementCollection_Create(unk, buf.buf, buf.len);
|
|
}
|
|
|
|
IHTMLElementCollection *create_collection_from_htmlcol(HTMLDocumentNode *doc, IUnknown *unk, nsIDOMHTMLCollection *nscol)
|
|
{
|
|
PRUint32 length = 0, i;
|
|
elem_vector_t buf;
|
|
|
|
nsIDOMHTMLCollection_GetLength(nscol, &length);
|
|
|
|
buf.len = buf.size = length;
|
|
if(buf.len) {
|
|
nsIDOMNode *nsnode;
|
|
|
|
buf.buf = heap_alloc(buf.size*sizeof(HTMLElement*));
|
|
|
|
for(i=0; i<length; i++) {
|
|
nsIDOMHTMLCollection_Item(nscol, i, &nsnode);
|
|
buf.buf[i] = HTMLELEM_NODE_THIS(get_node(doc, nsnode, TRUE));
|
|
nsIDOMNode_Release(nsnode);
|
|
}
|
|
}else {
|
|
buf.buf = NULL;
|
|
}
|
|
|
|
return HTMLElementCollection_Create(unk, buf.buf, buf.len);
|
|
}
|
|
|
|
static IHTMLElementCollection *HTMLElementCollection_Create(IUnknown *ref_unk,
|
|
HTMLElement **elems, DWORD len)
|
|
{
|
|
HTMLElementCollection *ret = heap_alloc_zero(sizeof(HTMLElementCollection));
|
|
|
|
ret->lpHTMLElementCollectionVtbl = &HTMLElementCollectionVtbl;
|
|
ret->ref = 1;
|
|
ret->elems = elems;
|
|
ret->len = len;
|
|
|
|
init_dispex(&ret->dispex, (IUnknown*)HTMLELEMCOL(ret), &HTMLElementCollection_dispex);
|
|
|
|
IUnknown_AddRef(ref_unk);
|
|
ret->ref_unk = ref_unk;
|
|
|
|
TRACE("ret=%p len=%d\n", ret, len);
|
|
|
|
return HTMLELEMCOL(ret);
|
|
}
|