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Sweden-Number/dlls/mshtml/mutation.c

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/*
* Copyright 2008 Jacek Caban for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winuser.h"
#include "winreg.h"
#include "ole2.h"
#include "shlguid.h"
#include "mshtml_private.h"
#include "htmlevent.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(mshtml);
enum {
MUTATION_BINDTOTREE,
MUTATION_COMMENT,
MUTATION_ENDLOAD,
MUTATION_SCRIPT
};
#define IE_MAJOR_VERSION 7
#define IE_MINOR_VERSION 0
static BOOL handle_insert_comment(HTMLDocumentNode *doc, const PRUnichar *comment)
{
DWORD len;
int majorv = 0, minorv = 0;
const PRUnichar *ptr, *end;
nsAString nsstr;
PRUnichar *buf;
nsresult nsres;
enum {
CMP_EQ,
CMP_LT,
CMP_LTE,
CMP_GT,
CMP_GTE
} cmpt = CMP_EQ;
static const PRUnichar endifW[] = {'<','!','[','e','n','d','i','f',']'};
if(comment[0] != '[' || comment[1] != 'i' || comment[2] != 'f')
return FALSE;
ptr = comment+3;
while(isspaceW(*ptr))
ptr++;
if(ptr[0] == 'l' && ptr[1] == 't') {
ptr += 2;
if(*ptr == 'e') {
cmpt = CMP_LTE;
ptr++;
}else {
cmpt = CMP_LT;
}
}else if(ptr[0] == 'g' && ptr[1] == 't') {
ptr += 2;
if(*ptr == 'e') {
cmpt = CMP_GTE;
ptr++;
}else {
cmpt = CMP_GT;
}
}
if(!isspaceW(*ptr++))
return FALSE;
while(isspaceW(*ptr))
ptr++;
if(ptr[0] != 'I' || ptr[1] != 'E')
return FALSE;
ptr +=2;
if(!isspaceW(*ptr++))
return FALSE;
while(isspaceW(*ptr))
ptr++;
if(!isdigitW(*ptr))
return FALSE;
while(isdigitW(*ptr))
majorv = majorv*10 + (*ptr++ - '0');
if(*ptr == '.') {
ptr++;
if(!isdigitW(*ptr))
return FALSE;
while(isdigitW(*ptr))
minorv = minorv*10 + (*ptr++ - '0');
}
while(isspaceW(*ptr))
ptr++;
if(ptr[0] != ']' || ptr[1] != '>')
return FALSE;
ptr += 2;
len = strlenW(ptr);
if(len < sizeof(endifW)/sizeof(WCHAR))
return FALSE;
end = ptr + len-sizeof(endifW)/sizeof(WCHAR);
if(memcmp(end, endifW, sizeof(endifW)))
return FALSE;
switch(cmpt) {
case CMP_EQ:
if(majorv == IE_MAJOR_VERSION && minorv == IE_MINOR_VERSION)
break;
return FALSE;
case CMP_LT:
if(majorv > IE_MAJOR_VERSION)
break;
if(majorv == IE_MAJOR_VERSION && minorv > IE_MINOR_VERSION)
break;
return FALSE;
case CMP_LTE:
if(majorv > IE_MAJOR_VERSION)
break;
if(majorv == IE_MAJOR_VERSION && minorv >= IE_MINOR_VERSION)
break;
return FALSE;
case CMP_GT:
if(majorv < IE_MAJOR_VERSION)
break;
if(majorv == IE_MAJOR_VERSION && minorv < IE_MINOR_VERSION)
break;
return FALSE;
case CMP_GTE:
if(majorv < IE_MAJOR_VERSION)
break;
if(majorv == IE_MAJOR_VERSION && minorv <= IE_MINOR_VERSION)
break;
return FALSE;
}
buf = heap_alloc((end-ptr+1)*sizeof(WCHAR));
if(!buf)
return FALSE;
memcpy(buf, ptr, (end-ptr)*sizeof(WCHAR));
buf[end-ptr] = 0;
nsAString_InitDepend(&nsstr, buf);
/* FIXME: Find better way to insert HTML to document. */
nsres = nsIDOMHTMLDocument_Write(doc->nsdoc, &nsstr);
nsAString_Finish(&nsstr);
heap_free(buf);
if(NS_FAILED(nsres)) {
ERR("Write failed: %08x\n", nsres);
return FALSE;
}
return TRUE;
}
static void add_script_runner(HTMLDocumentNode *This)
{
nsIDOMNSDocument *nsdoc;
nsresult nsres;
nsres = nsIDOMHTMLDocument_QueryInterface(This->nsdoc, &IID_nsIDOMNSDocument, (void**)&nsdoc);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMNSDocument: %08x\n", nsres);
return;
}
nsIDOMNSDocument_WineAddScriptRunner(nsdoc, NSRUNNABLE(This));
nsIDOMNSDocument_Release(nsdoc);
}
#define NSRUNNABLE_THIS(iface) DEFINE_THIS(HTMLDocumentNode, IRunnable, iface)
static nsresult NSAPI nsRunnable_QueryInterface(nsIRunnable *iface,
nsIIDRef riid, void **result)
{
HTMLDocumentNode *This = NSRUNNABLE_THIS(iface);
if(IsEqualGUID(riid, &IID_nsISupports)) {
TRACE("(%p)->(IID_nsISupports %p)\n", This, result);
*result = NSRUNNABLE(This);
}else if(IsEqualGUID(riid, &IID_nsIRunnable)) {
TRACE("(%p)->(IID_nsIRunnable %p)\n", This, result);
*result = NSRUNNABLE(This);
}else {
*result = NULL;
WARN("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
return NS_NOINTERFACE;
}
nsISupports_AddRef((nsISupports*)*result);
return NS_OK;
}
static nsrefcnt NSAPI nsRunnable_AddRef(nsIRunnable *iface)
{
HTMLDocumentNode *This = NSRUNNABLE_THIS(iface);
return htmldoc_addref(&This->basedoc);
}
static nsrefcnt NSAPI nsRunnable_Release(nsIRunnable *iface)
{
HTMLDocumentNode *This = NSRUNNABLE_THIS(iface);
return htmldoc_release(&This->basedoc);
}
static void push_mutation_queue(HTMLDocumentNode *doc, DWORD type, nsISupports *nsiface)
{
mutation_queue_t *elem;
elem = heap_alloc(sizeof(mutation_queue_t));
if(!elem)
return;
elem->next = NULL;
elem->type = type;
elem->nsiface = nsiface;
if(nsiface)
nsISupports_AddRef(nsiface);
if(doc->mutation_queue_tail) {
doc->mutation_queue_tail = doc->mutation_queue_tail->next = elem;
}else {
doc->mutation_queue = doc->mutation_queue_tail = elem;
add_script_runner(doc);
}
}
static void pop_mutation_queue(HTMLDocumentNode *doc)
{
mutation_queue_t *tmp = doc->mutation_queue;
if(!tmp)
return;
doc->mutation_queue = tmp->next;
if(!tmp->next)
doc->mutation_queue_tail = NULL;
if(tmp->nsiface)
nsISupports_Release(tmp->nsiface);
heap_free(tmp);
}
static void bind_to_tree(HTMLDocumentNode *doc, nsISupports *nsiface)
{
nsIDOMNode *nsnode;
HTMLDOMNode *node;
nsresult nsres;
nsres = nsISupports_QueryInterface(nsiface, &IID_nsIDOMNode, (void**)&nsnode);
if(NS_FAILED(nsres))
return;
node = get_node(doc, nsnode, TRUE);
nsIDOMNode_Release(nsnode);
if(!node) {
ERR("Could not get node\n");
return;
}
if(node->vtbl->bind_to_tree)
node->vtbl->bind_to_tree(node);
}
/* Calls undocumented 69 cmd of CGID_Explorer */
static void call_explorer_69(HTMLDocumentObj *doc)
{
IOleCommandTarget *olecmd;
VARIANT var;
HRESULT hres;
if(!doc->client)
return;
hres = IOleClientSite_QueryInterface(doc->client, &IID_IOleCommandTarget, (void**)&olecmd);
if(FAILED(hres))
return;
VariantInit(&var);
hres = IOleCommandTarget_Exec(olecmd, &CGID_Explorer, 69, 0, NULL, &var);
IOleCommandTarget_Release(olecmd);
if(SUCCEEDED(hres) && V_VT(&var) != VT_NULL)
FIXME("handle result\n");
}
static void parse_complete_proc(task_t *task)
{
HTMLDocumentObj *doc = ((docobj_task_t*)task)->doc;
TRACE("(%p)\n", doc);
if(doc->usermode == EDITMODE)
init_editor(&doc->basedoc);
call_explorer_69(doc);
if(doc->view_sink)
IAdviseSink_OnViewChange(doc->view_sink, DVASPECT_CONTENT, -1);
call_property_onchanged(&doc->basedoc.cp_propnotif, 1005);
call_explorer_69(doc);
/* FIXME: IE7 calls EnableModelless(TRUE), EnableModelless(FALSE) and sets interactive state here */
set_ready_state(doc->basedoc.window, READYSTATE_INTERACTIVE);
}
static void handle_end_load(HTMLDocumentNode *This)
{
docobj_task_t *task;
TRACE("\n");
if(!This->basedoc.doc_obj)
return;
if(This != This->basedoc.doc_obj->basedoc.doc_node) {
set_ready_state(This->basedoc.window, READYSTATE_INTERACTIVE);
return;
}
task = heap_alloc(sizeof(docobj_task_t));
if(!task)
return;
task->doc = This->basedoc.doc_obj;
/*
* This should be done in the worker thread that parses HTML,
* but we don't have such thread (Gecko parses HTML for us).
*/
push_task(&task->header, &parse_complete_proc, This->basedoc.doc_obj->basedoc.task_magic);
}
static nsresult NSAPI nsRunnable_Run(nsIRunnable *iface)
{
HTMLDocumentNode *This = NSRUNNABLE_THIS(iface);
nsresult nsres;
TRACE("(%p)\n", This);
while(This->mutation_queue) {
switch(This->mutation_queue->type) {
case MUTATION_BINDTOTREE:
bind_to_tree(This, This->mutation_queue->nsiface);
break;
case MUTATION_COMMENT: {
nsIDOMComment *nscomment;
nsAString comment_str;
BOOL remove_comment = FALSE;
nsres = nsISupports_QueryInterface(This->mutation_queue->nsiface, &IID_nsIDOMComment, (void**)&nscomment);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMComment iface:%08x\n", nsres);
return NS_OK;
}
nsAString_Init(&comment_str, NULL);
nsres = nsIDOMComment_GetData(nscomment, &comment_str);
if(NS_SUCCEEDED(nsres)) {
const PRUnichar *comment;
nsAString_GetData(&comment_str, &comment);
remove_comment = handle_insert_comment(This, comment);
}
nsAString_Finish(&comment_str);
if(remove_comment) {
nsIDOMNode *nsparent, *tmp;
nsAString magic_str;
static const PRUnichar remove_comment_magicW[] =
{'#','!','w','i','n','e', 'r','e','m','o','v','e','!','#',0};
nsAString_InitDepend(&magic_str, remove_comment_magicW);
nsres = nsIDOMComment_SetData(nscomment, &magic_str);
nsAString_Finish(&magic_str);
if(NS_FAILED(nsres))
ERR("SetData failed: %08x\n", nsres);
nsIDOMComment_GetParentNode(nscomment, &nsparent);
if(nsparent) {
nsIDOMNode_RemoveChild(nsparent, (nsIDOMNode*)nscomment, &tmp);
nsIDOMNode_Release(nsparent);
nsIDOMNode_Release(tmp);
}
}
nsIDOMComment_Release(nscomment);
break;
}
case MUTATION_ENDLOAD:
handle_end_load(This);
break;
case MUTATION_SCRIPT: {
nsIDOMHTMLScriptElement *nsscript;
nsres = nsISupports_QueryInterface(This->mutation_queue->nsiface, &IID_nsIDOMHTMLScriptElement,
(void**)&nsscript);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMHTMLScriptElement: %08x\n", nsres);
break;
}
doc_insert_script(This->basedoc.window, nsscript);
nsIDOMHTMLScriptElement_Release(nsscript);
break;
}
default:
ERR("invalid type %d\n", This->mutation_queue->type);
}
pop_mutation_queue(This);
}
return S_OK;
}
#undef NSRUNNABLE_THIS
static const nsIRunnableVtbl nsRunnableVtbl = {
nsRunnable_QueryInterface,
nsRunnable_AddRef,
nsRunnable_Release,
nsRunnable_Run
};
#define NSDOCOBS_THIS(iface) DEFINE_THIS(HTMLDocumentNode, IDocumentObserver, iface)
static nsresult NSAPI nsDocumentObserver_QueryInterface(nsIDocumentObserver *iface,
nsIIDRef riid, void **result)
{
HTMLDocumentNode *This = NSDOCOBS_THIS(iface);
if(IsEqualGUID(&IID_nsISupports, riid)) {
TRACE("(%p)->(IID_nsISupports, %p)\n", This, result);
*result = NSDOCOBS(This);
}else if(IsEqualGUID(&IID_nsIMutationObserver, riid)) {
TRACE("(%p)->(IID_nsIMutationObserver %p)\n", This, result);
*result = NSDOCOBS(This);
}else if(IsEqualGUID(&IID_nsIDocumentObserver, riid)) {
TRACE("(%p)->(IID_nsIDocumentObserver %p)\n", This, result);
*result = NSDOCOBS(This);
}else {
*result = NULL;
TRACE("(%p)->(%s %p)\n", This, debugstr_guid(riid), result);
return NS_NOINTERFACE;
}
htmldoc_addref(&This->basedoc);
return NS_OK;
}
static nsrefcnt NSAPI nsDocumentObserver_AddRef(nsIDocumentObserver *iface)
{
HTMLDocumentNode *This = NSDOCOBS_THIS(iface);
return htmldoc_addref(&This->basedoc);
}
static nsrefcnt NSAPI nsDocumentObserver_Release(nsIDocumentObserver *iface)
{
HTMLDocumentNode *This = NSDOCOBS_THIS(iface);
return htmldoc_release(&This->basedoc);
}
static void NSAPI nsDocumentObserver_CharacterDataWillChange(nsIDocumentObserver *iface,
nsIDocument *aDocument, nsIContent *aContent, void /*CharacterDataChangeInfo*/ *aInfo)
{
}
static void NSAPI nsDocumentObserver_CharacterDataChanged(nsIDocumentObserver *iface,
nsIDocument *aDocument, nsIContent *aContent, void /*CharacterDataChangeInfo*/ *aInfo)
{
}
static void NSAPI nsDocumentObserver_AttributeWillChange(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent, PRInt32 aNameSpaceID, nsIAtom *aAttribute, PRInt32 aModType)
{
}
static void NSAPI nsDocumentObserver_AttributeChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent, PRInt32 aNameSpaceID, nsIAtom *aAttribute, PRInt32 aModType, PRUint32 aStateMask)
{
}
static void NSAPI nsDocumentObserver_ContentAppended(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContainer, PRInt32 aNewIndexInContainer)
{
}
static void NSAPI nsDocumentObserver_ContentInserted(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContainer, nsIContent *aChild, PRInt32 aIndexInContainer)
{
}
static void NSAPI nsDocumentObserver_ContentRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContainer, nsIContent *aChild, PRInt32 aIndexInContainer)
{
}
static void NSAPI nsDocumentObserver_NodeWillBeDestroyed(nsIDocumentObserver *iface, const nsINode *aNode)
{
}
static void NSAPI nsDocumentObserver_ParentChainChanged(nsIDocumentObserver *iface, nsIContent *aContent)
{
}
static void NSAPI nsDocumentObserver_BeginUpdate(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsUpdateType aUpdateType)
{
}
static void NSAPI nsDocumentObserver_EndUpdate(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsUpdateType aUpdateType)
{
}
static void NSAPI nsDocumentObserver_BeginLoad(nsIDocumentObserver *iface, nsIDocument *aDocument)
{
}
static void NSAPI nsDocumentObserver_EndLoad(nsIDocumentObserver *iface, nsIDocument *aDocument)
{
HTMLDocumentNode *This = NSDOCOBS_THIS(iface);
TRACE("\n");
This->content_ready = TRUE;
push_mutation_queue(This, MUTATION_ENDLOAD, NULL);
}
static void NSAPI nsDocumentObserver_ContentStatesChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent1, nsIContent *aContent2, PRInt32 aStateMask)
{
}
static void NSAPI nsDocumentObserver_StyleSheetAdded(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIStyleSheet *aStyleSheet, PRBool aDocumentSheet)
{
}
static void NSAPI nsDocumentObserver_StyleSheetRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIStyleSheet *aStyleSheet, PRBool aDocumentSheet)
{
}
static void NSAPI nsDocumentObserver_StyleSheetApplicableStateChanged(nsIDocumentObserver *iface,
nsIDocument *aDocument, nsIStyleSheet *aStyleSheet, PRBool aApplicable)
{
}
static void NSAPI nsDocumentObserver_StyleRuleChanged(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIStyleSheet *aStyleSheet, nsIStyleRule *aOldStyleRule, nsIStyleSheet *aNewStyleRule)
{
}
static void NSAPI nsDocumentObserver_StyleRuleAdded(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIStyleSheet *aStyleSheet, nsIStyleRule *aStyleRule)
{
}
static void NSAPI nsDocumentObserver_StyleRuleRemoved(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIStyleSheet *aStyleSheet, nsIStyleRule *aStyleRule)
{
}
static void NSAPI nsDocumentObserver_BindToDocument(nsIDocumentObserver *iface, nsIDocument *aDocument,
nsIContent *aContent)
{
HTMLDocumentNode *This = NSDOCOBS_THIS(iface);
nsIDOMHTMLIFrameElement *nsiframe;
nsIDOMHTMLFrameElement *nsframe;
nsIDOMComment *nscomment;
nsIDOMElement *nselem;
nsresult nsres;
TRACE("(%p)\n", This);
nsres = nsISupports_QueryInterface(aContent, &IID_nsIDOMElement, (void**)&nselem);
if(NS_SUCCEEDED(nsres)) {
check_event_attr(This, nselem);
nsIDOMElement_Release(nselem);
}
nsres = nsISupports_QueryInterface(aContent, &IID_nsIDOMComment, (void**)&nscomment);
if(NS_SUCCEEDED(nsres)) {
TRACE("comment node\n");
push_mutation_queue(This, MUTATION_COMMENT, (nsISupports*)nscomment);
nsIDOMComment_Release(nscomment);
}
nsres = nsISupports_QueryInterface(aContent, &IID_nsIDOMHTMLIFrameElement, (void**)&nsiframe);
if(NS_SUCCEEDED(nsres)) {
TRACE("iframe node\n");
push_mutation_queue(This, MUTATION_BINDTOTREE, (nsISupports*)nsiframe);
nsIDOMHTMLIFrameElement_Release(nsiframe);
}
nsres = nsISupports_QueryInterface(aContent, &IID_nsIDOMHTMLFrameElement, (void**)&nsframe);
if(NS_SUCCEEDED(nsres)) {
TRACE("frame node\n");
push_mutation_queue(This, MUTATION_BINDTOTREE, (nsISupports*)nsframe);
nsIDOMHTMLFrameElement_Release(nsframe);
}
}
static void NSAPI nsDocumentObserver_DoneAddingChildren(nsIDocumentObserver *iface, nsIContent *aContent,
PRBool aHaveNotified)
{
HTMLDocumentNode *This = NSDOCOBS_THIS(iface);
nsIDOMHTMLScriptElement *nsscript;
nsresult nsres;
TRACE("(%p)->(%p %x)\n", This, aContent, aHaveNotified);
nsres = nsISupports_QueryInterface(aContent, &IID_nsIDOMHTMLScriptElement, (void**)&nsscript);
if(NS_SUCCEEDED(nsres)) {
TRACE("script node\n");
push_mutation_queue(This, MUTATION_SCRIPT, (nsISupports*)nsscript);
nsIDOMHTMLScriptElement_Release(nsscript);
}
}
#undef NSMUTATIONOBS_THIS
static const nsIDocumentObserverVtbl nsDocumentObserverVtbl = {
nsDocumentObserver_QueryInterface,
nsDocumentObserver_AddRef,
nsDocumentObserver_Release,
nsDocumentObserver_CharacterDataWillChange,
nsDocumentObserver_CharacterDataChanged,
nsDocumentObserver_AttributeWillChange,
nsDocumentObserver_AttributeChanged,
nsDocumentObserver_ContentAppended,
nsDocumentObserver_ContentInserted,
nsDocumentObserver_ContentRemoved,
nsDocumentObserver_NodeWillBeDestroyed,
nsDocumentObserver_ParentChainChanged,
nsDocumentObserver_BeginUpdate,
nsDocumentObserver_EndUpdate,
nsDocumentObserver_BeginLoad,
nsDocumentObserver_EndLoad,
nsDocumentObserver_ContentStatesChanged,
nsDocumentObserver_StyleSheetAdded,
nsDocumentObserver_StyleSheetRemoved,
nsDocumentObserver_StyleSheetApplicableStateChanged,
nsDocumentObserver_StyleRuleChanged,
nsDocumentObserver_StyleRuleAdded,
nsDocumentObserver_StyleRuleRemoved,
nsDocumentObserver_BindToDocument,
nsDocumentObserver_DoneAddingChildren
};
void init_mutation(HTMLDocumentNode *doc)
{
nsIDOMNSDocument *nsdoc;
nsresult nsres;
doc->lpIDocumentObserverVtbl = &nsDocumentObserverVtbl;
doc->lpIRunnableVtbl = &nsRunnableVtbl;
nsres = nsIDOMHTMLDocument_QueryInterface(doc->nsdoc, &IID_nsIDOMNSDocument, (void**)&nsdoc);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMNSDocument: %08x\n", nsres);
return;
}
nsIDOMNSDocument_WineAddObserver(nsdoc, NSDOCOBS(doc));
nsIDOMNSDocument_Release(nsdoc);
}
void release_mutation(HTMLDocumentNode *doc)
{
nsIDOMNSDocument *nsdoc;
nsresult nsres;
nsres = nsIDOMHTMLDocument_QueryInterface(doc->nsdoc, &IID_nsIDOMNSDocument, (void**)&nsdoc);
if(NS_FAILED(nsres)) {
ERR("Could not get nsIDOMNSDocument: %08x\n", nsres);
return;
}
nsIDOMNSDocument_WineRemoveObserver(nsdoc, NSDOCOBS(doc));
nsIDOMNSDocument_Release(nsdoc);
}
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