/******************************************************************************
* FileMoniker_CommonPrefixWith
*/
static HRESULT WINAPI
FileMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
{
LPOLESTR pathThis,pathOther,*stringTable1,*stringTable2,commonPath;
IBindCtx *pbind;
DWORD mkSys;
ULONG nb1,nb2,i,sameIdx;
BOOL machineNameCase = FALSE;
if (ppmkPrefix==NULL)
return E_POINTER;
if (pmkOther==NULL)
return E_INVALIDARG;
*ppmkPrefix=0;
/* check if we have the same type of moniker */
IMoniker_IsSystemMoniker(pmkOther,&mkSys);
if(mkSys==MKSYS_FILEMONIKER){
HRESULT ret;
ret = CreateBindCtx(0,&pbind);
if (FAILED(ret))
return ret;
/* create a string based on common part of the two paths */
ret = IMoniker_GetDisplayName(iface,pbind,NULL,&pathThis);
if (FAILED(ret))
return ret;
ret = IMoniker_GetDisplayName(pmkOther,pbind,NULL,&pathOther);
if (FAILED(ret))
return ret;
nb1=FileMonikerImpl_DecomposePath(pathThis,&stringTable1);
if (FAILED(nb1))
return nb1;
nb2=FileMonikerImpl_DecomposePath(pathOther,&stringTable2);
if (FAILED(nb2))
{
free_stringtable(stringTable1);
return nb2;
}
if (nb1==0 || nb2==0)
{
free_stringtable(stringTable1);
free_stringtable(stringTable2);
return MK_E_NOPREFIX;
}
commonPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(min(lstrlenW(pathThis),lstrlenW(pathOther))+1));
if (!commonPath)
return E_OUTOFMEMORY;
*commonPath=0;
for(sameIdx=0; ( (stringTable1[sameIdx]!=NULL) &&
(stringTable2[sameIdx]!=NULL) &&
(lstrcmpiW(stringTable1[sameIdx],stringTable2[sameIdx])==0)); sameIdx++);
if (sameIdx > 1 && *stringTable1[0]=='\\' && *stringTable2[1]=='\\'){
machineNameCase = TRUE;
for(i=2;i<sameIdx;i++)
if( (*stringTable1[i]=='\\') && (i+1 < sameIdx) && (*stringTable1[i+1]=='\\') ){
machineNameCase = FALSE;
break;
}
}
if (machineNameCase && *stringTable1[sameIdx-1]=='\\')
sameIdx--;
if (machineNameCase && (sameIdx<=3) && (nb1 > 3 || nb2 > 3) )
ret = MK_E_NOPREFIX;
else
{
for(i=0;i<sameIdx;i++)
strcatW(commonPath,stringTable1[i]);
free_stringtable(stringTable1);
free_stringtable(stringTable2);
ret = CreateFileMoniker(commonPath,ppmkPrefix);
}
HeapFree(GetProcessHeap(),0,commonPath);
return ret;
}
else
return MonikerCommonPrefixWith(iface,pmkOther,ppmkPrefix);
}
/******************************************************************************
* FileMoniker_ComposeWith
*/
static HRESULT WINAPI
FileMonikerImpl_ComposeWith(IMoniker* iface, IMoniker* pmkRight,
BOOL fOnlyIfNotGeneric, IMoniker** ppmkComposite)
{
HRESULT res;
LPOLESTR str1=0,str2=0,*strDec1=0,*strDec2=0,newStr=0;
static const WCHAR twoPoint[]={'.','.',0};
static const WCHAR bkSlash[]={'\\',0};
IBindCtx *bind=0;
int i=0,j=0,lastIdx1=0,lastIdx2=0;
DWORD mkSys;
TRACE("(%p,%p,%d,%p)\n",iface,pmkRight,fOnlyIfNotGeneric,ppmkComposite);
if (ppmkComposite==NULL)
return E_POINTER;
if (pmkRight==NULL)
return E_INVALIDARG;
*ppmkComposite=0;
IMoniker_IsSystemMoniker(pmkRight,&mkSys);
/* check if we have two FileMonikers to compose or not */
if(mkSys==MKSYS_FILEMONIKER){
CreateBindCtx(0,&bind);
IMoniker_GetDisplayName(iface,bind,NULL,&str1);
IMoniker_GetDisplayName(pmkRight,bind,NULL,&str2);
/* decompose pathnames of the two monikers : (to prepare the path merge operation ) */
lastIdx1=FileMonikerImpl_DecomposePath(str1,&strDec1)-1;
lastIdx2=FileMonikerImpl_DecomposePath(str2,&strDec2)-1;
if ((lastIdx1==-1 && lastIdx2>-1)||(lastIdx1==1 && lstrcmpW(strDec1[0],twoPoint)==0))
return MK_E_SYNTAX;
if(lstrcmpW(strDec1[lastIdx1],bkSlash)==0)
lastIdx1--;
/* for etch "..\" in the left of str2 remove the right element from str1 */
for(i=0; ( (lastIdx1>=0) && (strDec2[i]!=NULL) && (lstrcmpW(strDec2[i],twoPoint)==0) ) ;i+=2){
lastIdx1-=2;
}
/* the length of the composed path string is raised by the sum of the two paths lengths */
newStr=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(lstrlenW(str1)+lstrlenW(str2)+1));
if (newStr)
{
/* new path is the concatenation of the rest of str1 and str2 */
for(*newStr=0,j=0;j<=lastIdx1;j++)
strcatW(newStr,strDec1[j]);
if ((strDec2[i]==NULL && lastIdx1>-1 && lastIdx2>-1) || lstrcmpW(strDec2[i],bkSlash)!=0)
strcatW(newStr,bkSlash);
for(j=i;j<=lastIdx2;j++)
strcatW(newStr,strDec2[j]);
/* create a new moniker with the new string */
res=CreateFileMoniker(newStr,ppmkComposite);
/* free all strings space memory used by this function */
HeapFree(GetProcessHeap(),0,newStr);
}
else res = E_OUTOFMEMORY;
free_stringtable(strDec1);
free_stringtable(strDec2);
CoTaskMemFree(str1);
CoTaskMemFree(str2);
return res;
}
else if(mkSys==MKSYS_ANTIMONIKER){
*ppmkComposite=NULL;
return S_OK;
}
else if (fOnlyIfNotGeneric){
*ppmkComposite=NULL;
return MK_E_NEEDGENERIC;
}
else
return CreateGenericComposite(iface,pmkRight,ppmkComposite);
}
/******************************************************************************
* FileMoniker_RelativePathTo
*/
static HRESULT WINAPI
FileMonikerImpl_RelativePathTo(IMoniker* iface,IMoniker* pmOther, IMoniker** ppmkRelPath)
{
IBindCtx *bind;
HRESULT res;
LPOLESTR str1=0,str2=0,*tabStr1=0,*tabStr2=0,relPath=0;
DWORD len1=0,len2=0,sameIdx=0,j=0;
static const WCHAR back[] ={'.','.','\\',0};
TRACE("(%p,%p,%p)\n",iface,pmOther,ppmkRelPath);
if (ppmkRelPath==NULL)
return E_POINTER;
if (pmOther==NULL)
return E_INVALIDARG;
res=CreateBindCtx(0,&bind);
if (FAILED(res))
return res;
res=IMoniker_GetDisplayName(iface,bind,NULL,&str1);
if (FAILED(res))
return res;
res=IMoniker_GetDisplayName(pmOther,bind,NULL,&str2);
if (FAILED(res))
return res;
len1=FileMonikerImpl_DecomposePath(str1,&tabStr1);
if (FAILED(len1))
return E_OUTOFMEMORY;
len2=FileMonikerImpl_DecomposePath(str2,&tabStr2);
if (FAILED(len2))
{
free_stringtable(tabStr1);
return E_OUTOFMEMORY;
}
/* count the number of similar items from the begin of the two paths */
for(sameIdx=0; ( (tabStr1[sameIdx]!=NULL) &&
(tabStr2[sameIdx]!=NULL) &&
(lstrcmpiW(tabStr1[sameIdx],tabStr2[sameIdx])==0)); sameIdx++);
/* begin the construction of relativePath */
/* if the two paths have a consecutive similar item from the begin ! the relativePath will be composed */
/* by "..\\" in the begin */
relPath=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(1+lstrlenW(str1)+lstrlenW(str2)));
*relPath=0;
if (len2>0 && !(len1==1 && len2==1 && sameIdx==0))
for(j=sameIdx;(tabStr1[j] != NULL); j++)
if (*tabStr1[j]!='\\')
strcatW(relPath,back);
/* add items of the second path (similar items with the first path are not included) to the relativePath */
for(j=sameIdx;tabStr2[j]!=NULL;j++)
strcatW(relPath,tabStr2[j]);
res=CreateFileMoniker(relPath,ppmkRelPath);
free_stringtable(tabStr1);
free_stringtable(tabStr2);
CoTaskMemFree(str1);
CoTaskMemFree(str2);
HeapFree(GetProcessHeap(),0,relPath);
if (len1==0 || len2==0 || (len1==1 && len2==1 && sameIdx==0))
return MK_S_HIM;
return res;
}
/******************************************************************************
* FileMoniker_Construct (local function)
*/
static HRESULT FileMonikerImpl_Construct(FileMonikerImpl* This, LPCOLESTR lpszPathName)
{
int nb=0,i;
int sizeStr=lstrlenW(lpszPathName);
LPOLESTR *tabStr=0;
static const WCHAR twoPoint[]={'.','.',0};
static const WCHAR bkSlash[]={'\\',0};
BOOL addBkSlash;
TRACE("(%p,%s)\n",This,debugstr_w(lpszPathName));
/* Initialize the virtual function table. */
This->IMoniker_iface.lpVtbl = &VT_FileMonikerImpl;
This->IROTData_iface.lpVtbl = &VT_ROTDataImpl;
This->ref = 0;
This->pMarshal = NULL;
This->filePathName=HeapAlloc(GetProcessHeap(),0,sizeof(WCHAR)*(sizeStr+1));
if (This->filePathName==NULL)
return E_OUTOFMEMORY;
strcpyW(This->filePathName,lpszPathName);
nb=FileMonikerImpl_DecomposePath(This->filePathName,&tabStr);
if (nb > 0 ){
addBkSlash = TRUE;
if (lstrcmpW(tabStr[0],twoPoint)!=0)
addBkSlash = FALSE;
else
for(i=0;i<nb;i++){
if ( (lstrcmpW(tabStr[i],twoPoint)!=0) && (lstrcmpW(tabStr[i],bkSlash)!=0) ){
addBkSlash = FALSE;
break;
}
else
if (lstrcmpW(tabStr[i],bkSlash)==0 && i<nb-1 && lstrcmpW(tabStr[i+1],bkSlash)==0){
*tabStr[i]=0;
sizeStr--;
addBkSlash = FALSE;
break;
}
}
if (lstrcmpW(tabStr[nb-1],bkSlash)==0)
addBkSlash = FALSE;
This->filePathName=HeapReAlloc(GetProcessHeap(),0,This->filePathName,(sizeStr+1)*sizeof(WCHAR));
*This->filePathName=0;
for(i=0;tabStr[i]!=NULL;i++)
strcatW(This->filePathName,tabStr[i]);
if (addBkSlash)
strcatW(This->filePathName,bkSlash);
}
free_stringtable(tabStr);
return S_OK;
}
/******************************************************************************
* FileMoniker_CommonPrefixWith
*/
static HRESULT WINAPI
FileMonikerImpl_CommonPrefixWith(IMoniker* iface,IMoniker* pmkOther,IMoniker** ppmkPrefix)
{
LPOLESTR pathThis = NULL, pathOther = NULL, *stringTable1 = NULL;
LPOLESTR *stringTable2 = NULL, commonPath = NULL;
IBindCtx *bindctx;
DWORD mkSys;
ULONG nb1,nb2,i,sameIdx;
BOOL machineNameCase = FALSE;
HRESULT ret;
if (ppmkPrefix==NULL)
return E_POINTER;
if (pmkOther==NULL)
return E_INVALIDARG;
*ppmkPrefix=0;
/* check if we have the same type of moniker */
IMoniker_IsSystemMoniker(pmkOther,&mkSys);
if (mkSys != MKSYS_FILEMONIKER)
return MonikerCommonPrefixWith(iface, pmkOther, ppmkPrefix);
ret = CreateBindCtx(0, &bindctx);
if (FAILED(ret))
return ret;
/* create a string based on common part of the two paths */
ret = IMoniker_GetDisplayName(iface, bindctx, NULL, &pathThis);
if (FAILED(ret))
goto failed;
ret = IMoniker_GetDisplayName(pmkOther, bindctx, NULL, &pathOther);
if (FAILED(ret))
goto failed;
nb1 = FileMonikerImpl_DecomposePath(pathThis, &stringTable1);
if (FAILED(nb1)) {
ret = nb1;
goto failed;
}
nb2 = FileMonikerImpl_DecomposePath(pathOther, &stringTable2);
if (FAILED(nb2)) {
ret = nb2;
goto failed;
}
if (nb1 == 0 || nb2 == 0) {
ret = MK_E_NOPREFIX;
goto failed;
}
commonPath = CoTaskMemAlloc(sizeof(WCHAR)*(min(lstrlenW(pathThis),lstrlenW(pathOther))+1));
if (!commonPath) {
ret = E_OUTOFMEMORY;
goto failed;
}
*commonPath = 0;
for(sameIdx=0; ( (stringTable1[sameIdx]!=NULL) &&
(stringTable2[sameIdx]!=NULL) &&
(lstrcmpiW(stringTable1[sameIdx],stringTable2[sameIdx])==0)); sameIdx++);
if (sameIdx > 1 && *stringTable1[0]=='\\' && *stringTable2[1]=='\\'){
machineNameCase = TRUE;
for(i=2;i<sameIdx;i++)
if( (*stringTable1[i]=='\\') && (i+1 < sameIdx) && (*stringTable1[i+1]=='\\') ){
machineNameCase = FALSE;
break;
}
}
if (machineNameCase && *stringTable1[sameIdx-1]=='\\')
sameIdx--;
if (machineNameCase && (sameIdx<=3) && (nb1 > 3 || nb2 > 3) )
ret = MK_E_NOPREFIX;
else
{
for (i = 0; i < sameIdx; i++)
strcatW(commonPath,stringTable1[i]);
ret = CreateFileMoniker(commonPath, ppmkPrefix);
}
failed:
IBindCtx_Release(bindctx);
CoTaskMemFree(pathThis);
CoTaskMemFree(pathOther);
CoTaskMemFree(commonPath);
if (stringTable1) free_stringtable(stringTable1);
if (stringTable2) free_stringtable(stringTable2);
return ret;
}
