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Made internal format more compatible.

This commit is contained in:
Juergen Schmied 1999-04-24 11:56:51 +00:00 committed by Alexandre Julliard
parent 46187022a5
commit dcb8273a23
2 changed files with 167 additions and 137 deletions
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256
dlls/shell32/pidl.c
View File

@ -11,14 +11,12 @@
#include <ctype.h>
#include <stdlib.h>
#include <string.h>
#include "ole2.h"
#include <assert.h>
#include "debug.h"
#include "shlobj.h"
#include "shell.h"
#include "shlguid.h"
#include "winerror.h"
#include "winnls.h"
#include "winproc.h"
#include "commctrl.h"
#include "winversion.h"
#include "shell32_main.h"
@ -27,6 +25,8 @@
DECLARE_DEBUG_CHANNEL(pidl)
DECLARE_DEBUG_CHANNEL(shell)
static char * szMyComp = "My Computer"; /* for comparing */
void pdump (LPCITEMIDLIST pidl)
{ DWORD type;
CHAR * szData;
@ -54,6 +54,7 @@ void pdump (LPCITEMIDLIST pidl)
TRACE(pidl,"empty pidl (Desktop)\n");
}
#define BYTES_PRINTED 32
BOOL pcheck (LPCITEMIDLIST pidl)
{ DWORD type, ret=TRUE;
@ -69,27 +70,37 @@ BOOL pcheck (LPCITEMIDLIST pidl)
case PT_DRIVE:
case PT_FOLDER:
case PT_VALUE:
case PT_DRIVE1:
case PT_FOLDER1:
case PT_WORKGRP:
case PT_COMP:
case PT_NETWORK:
case PT_SHARE:
break;
default:
{
char szTemp[100]; /* 3*32 + 3 + 1 */
char szTemp[BYTES_PRINTED*4 + 1];
int i;
for ( i = 0; i < pidltemp->mkid.cb; i++)
unsigned char c;
memset(szTemp, ' ', BYTES_PRINTED*4 + 1);
for ( i = 0; (i<pidltemp->mkid.cb) && (i<BYTES_PRINTED); i++)
{
sprintf (&(szTemp[i*3]),"%02x ", ((LPBYTE)pidltemp)[i]);
if (i>=31)
{
sprintf (&(szTemp[i*3+3]),"...");
break;
}
c = ((unsigned char *)pidltemp)[i];
szTemp[i*3+0] = ((c>>4)>9)? (c>>4)+55 : (c>>4)+48;
szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48;
szTemp[i*3+2] = ' ';
szTemp[i+BYTES_PRINTED*3] = (c>=0x20 && c <=0x80) ? c : '.';
}
ERR (pidl,"unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
ret = FALSE;
szTemp[BYTES_PRINTED*4] = 0x00;
ERR (pidl,"unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
ret = FALSE;
}
}
pidltemp = ILGetNext(pidltemp);
} while (pidltemp->mkid.cb);
}
pidltemp = ILGetNext(pidltemp);
} while (pidltemp->mkid.cb);
}
return ret;
}
@ -97,7 +108,7 @@ BOOL pcheck (LPCITEMIDLIST pidl)
* ILGetDisplayName [SHELL32.15]
*/
BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path)
{ FIXME(shell,"pidl=%p %p semi-stub\n",pidl,path);
{ TRACE(shell,"pidl=%p %p semi-stub\n",pidl,path);
return SHGetPathFromIDListA(pidl, path);
}
/*************************************************************************
@ -108,11 +119,9 @@ LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
TRACE(pidl,"(pidl=%p)\n",pidl);
if(pidl)
{ while(pidl->mkid.cb)
{ pidlLast = (LPITEMIDLIST)pidl;
pidl = ILGetNext(pidl);
}
while (pidl->mkid.cb)
{ pidlLast = pidl;
pidl = ILGetNext(pidl);
}
return pidlLast;
}
@ -170,7 +179,7 @@ LPITEMIDLIST WINAPI ILCloneFirst(LPCITEMIDLIST pidl)
newpidl = (LPITEMIDLIST) SHAlloc (len+2);
if (newpidl)
{ memcpy(newpidl,pidl,len);
ILGetNext(newpidl)->mkid.cb = 0x00;
ILGetNext(newpidl)->mkid.cb = 0x00;
}
}
TRACE(pidl,"-- newpidl=%p\n",newpidl);
@ -331,7 +340,7 @@ BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
if ( (!pidl1) || (!pidl2) )
{ return FALSE;
}
if (pidltemp1->mkid.cb && pidltemp2->mkid.cb)
{ do
{ ppidldata = _ILGetDataPointer(pidltemp1);
@ -348,7 +357,7 @@ BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
} while (pidltemp1->mkid.cb && pidltemp2->mkid.cb);
}
if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb)
if (!pidltemp1 && !pidltemp2)
{ TRACE(shell, "--- equal\n");
return TRUE;
}
@ -384,6 +393,11 @@ LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
TRACE(pidl,"pidl1=%p pidl2=%p\n",pidl1, pidl2);
/* explorer reads from registry directly (StreamMRU),
so we can only check here */
if ((!pcheck (pidl1)) || (!pcheck (pidl2)))
return FALSE;
pdump (pidl1);
pdump (pidl2);
@ -524,19 +538,22 @@ DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
*
* RETURNS
* pointer to next element
* NULL when last element ist reached
*
*/
LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
{ LPITEMIDLIST nextpidl;
/* TRACE(pidl,"(pidl=%p)\n",pidl);*/
WORD len;
TRACE(pidl,"(pidl=%p)\n",pidl);
if(pidl)
{ nextpidl = (LPITEMIDLIST)(LPBYTE)(((LPBYTE)pidl) + pidl->mkid.cb);
return nextpidl;
}
else
{ return (NULL);
{ len = pidl->mkid.cb;
if (len)
{ nextpidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
return nextpidl;
}
}
return NULL;
}
/*************************************************************************
* ILAppend [SHELL32.154]
@ -713,7 +730,7 @@ LPITEMIDLIST WINAPI _ILCreateDesktop()
}
LPITEMIDLIST WINAPI _ILCreateMyComputer()
{ TRACE(pidl,"()\n");
return _ILCreate(PT_MYCOMP, (void *)"My Computer", strlen ("My Computer")+1);
return _ILCreate(PT_MYCOMP, &IID_MyComputer, sizeof(GUID));
}
LPITEMIDLIST WINAPI _ILCreateDrive( LPCSTR lpszNew)
{ char sTemp[4];
@ -831,13 +848,13 @@ BOOL WINAPI _ILIsMyComputer(LPCITEMIDLIST pidl)
BOOL WINAPI _ILIsDrive(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE(pidl,"(%p)\n",pidl);
return (pidl && lpPData && PT_DRIVE == lpPData->type);
return (pidl && lpPData && (PT_DRIVE == lpPData->type || PT_DRIVE1 == lpPData->type));
}
BOOL WINAPI _ILIsFolder(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE(pidl,"(%p)\n",pidl);
return (pidl && lpPData && PT_FOLDER == lpPData->type);
return (pidl && lpPData && (PT_FOLDER == lpPData->type || PT_FOLDER1 == lpPData->type));
}
BOOL WINAPI _ILIsValue(LPCITEMIDLIST pidl)
@ -994,63 +1011,61 @@ DWORD WINAPI _ILGetPidlPath( LPCITEMIDLIST pidl, LPSTR lpszOut, DWORD dwOutSize)
* uInSize = size of data (raw)
*/
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE type, LPVOID pIn, UINT16 uInSize)
{ LPITEMIDLIST pidlOut=NULL;
UINT16 uSize;
LPITEMIDLIST pidlTemp=NULL;
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT16 uInSize)
{ LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL;
LPPIDLDATA pData;
UINT16 uSize = 0;
LPSTR pszDest;
TRACE(pidl,"(0x%02x %p %i)\n",type,pIn,uInSize);
if ( type == PT_DESKTOP)
{ pidlOut = SHAlloc(2);
pidlOut->mkid.cb=0x0000;
return pidlOut;
}
if (! pIn)
{ return NULL;
}
/* the sizes of: cb(2), pidldata-1(26), szText+1, next cb(2) */
switch (type)
{ case PT_DRIVE:
uSize = 4 + 9;
{ case PT_DESKTOP:
uSize = 0;
pidlOut = SHAlloc(uSize + 2);
pidlOut->mkid.cb = uSize;
TRACE(pidl,"- create Desktop\n");
break;
case PT_MYCOMP:
uSize = 2 + 2 + sizeof(GUID);
pidlOut = SHAlloc(uSize + 2);
pidlOut->mkid.cb = uSize;
pData =_ILGetDataPointer(pidlOut);
pData->type = type;
memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
TRACE(pidl,"- create My Computer\n");
break;
case PT_DRIVE:
uSize = 2 + 23;
pidlOut = SHAlloc(uSize + 2);
pidlOut->mkid.cb = uSize;
pData =_ILGetDataPointer(pidlOut);
pData->type = type;
pszDest = _ILGetTextPointer(type, pData);
memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create Drive: %s\n",debugstr_a(pszDest));
break;
case PT_FOLDER:
case PT_VALUE:
uSize = 2 + 12 + uInSize;
pidlOut = SHAlloc(uSize + 2);
pidlOut->mkid.cb = uSize;
pData =_ILGetDataPointer(pidlOut);
pData->type = type;
pszDest = _ILGetTextPointer(type, pData);
memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create Value: %s\n",debugstr_a(pszDest));
break;
default:
uSize = 4 + (sizeof(PIDLDATA)) + uInSize;
}
pidlOut = SHAlloc(uSize);
pidlTemp = pidlOut;
if(pidlOut)
{ pidlTemp->mkid.cb = uSize - 2;
pData =_ILGetDataPointer(pidlTemp);
pszDest = _ILGetTextPointer(type, pData);
pData->type = type;
switch(type)
{ case PT_MYCOMP:
memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create My Computer: %s\n",debugstr_a(pszDest));
break;
case PT_DRIVE:
memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create Drive: %s\n",debugstr_a(pszDest));
break;
case PT_FOLDER:
case PT_VALUE:
memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create Value: %s\n",debugstr_a(pszDest));
break;
default:
FIXME(pidl,"-- wrong argument\n");
break;
}
pidlTemp = ILGetNext(pidlTemp);
pidlTemp->mkid.cb = 0x00;
}
TRACE(pidl,"-- (pidl=%p, size=%u)\n",pidlOut,uSize-2);
pidlTemp = ILGetNext(pidlOut);
if (pidlTemp)
pidlTemp->mkid.cb = 0x00;
TRACE(pidl,"-- (pidl=%p, size=%u)\n", pidlOut, uSize);
return pidlOut;
}
/**************************************************************************
@ -1066,43 +1081,26 @@ DWORD WINAPI _ILGetData(PIDLTYPE type, LPCITEMIDLIST pidl, LPVOID pOut, UINT uOu
TRACE(pidl,"(%x %p %p %x)\n",type,pidl,pOut,uOutSize);
if(!pidl)
if( (!pidl) || (!pOut) || (uOutSize < 1))
{ return 0;
}
*(LPSTR)pOut = 0;
*(LPSTR)pOut = 0;
pData = _ILGetDataPointer(pidl);
if ( pData->type != type)
{ ERR(pidl,"-- wrong type\n");
return 0;
}
assert ( pData->type == type);
pszSrc = _ILGetTextPointer(pData->type, pData);
switch(type)
{ case PT_MYCOMP:
if(uOutSize < 1)
return 0;
strncpy((LPSTR)pOut, "My Computer", uOutSize);
dwReturn = strlen((LPSTR)pOut)+1;
break;
case PT_DRIVE:
if(uOutSize < 1)
return 0;
strncpy((LPSTR)pOut, pszSrc, uOutSize);
dwReturn = strlen((LPSTR)pOut)+1;
break;
case PT_FOLDER:
case PT_VALUE:
strncpy((LPSTR)pOut, pszSrc, uOutSize);
dwReturn = strlen((LPSTR)pOut)+1;
break;
default:
ERR(pidl,"-- unknown type\n");
break;
if (pszSrc)
{ strncpy((LPSTR)pOut, pszSrc, uOutSize);
dwReturn = strlen((LPSTR)pOut)+1;
}
else
{ ERR(pidl,"-- no data\n");
}
TRACE(pidl,"-- (%p=%s 0x%08lx)\n",pOut,(char*)pOut,dwReturn);
return dwReturn;
}
@ -1126,13 +1124,25 @@ LPSTR WINAPI _ILGetTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
if(!pidldata)
{ return NULL;
}
switch (type)
{ case PT_DRIVE:
case PT_DRIVE1:
return (LPSTR)&(pidldata->u.drive.szDriveName);
case PT_MYCOMP:
return szMyComp;
case PT_FOLDER:
case PT_FOLDER1:
case PT_VALUE:
return (LPSTR)&(pidldata->u.file.szNames);
case PT_WORKGRP:
case PT_COMP:
case PT_NETWORK:
case PT_SHARE:
return (LPSTR)&(pidldata->u.network.szNames);
}
return NULL;
}
@ -1147,12 +1157,11 @@ LPSTR WINAPI _ILGetSTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
{ return NULL;
}
switch (type)
{ case PT_MYCOMP:
case PT_DRIVE:
return NULL;
case PT_FOLDER:
{ case PT_FOLDER:
case PT_VALUE:
return (LPSTR)(pidldata->u.file.szNames + strlen (pidldata->u.file.szNames) + 1);
case PT_WORKGRP:
return (LPSTR)(pidldata->u.network.szNames + strlen (pidldata->u.network.szNames) + 1);
}
return NULL;
}
@ -1162,10 +1171,7 @@ BOOL WINAPI _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
SYSTEMTIME time;
switch (pdata->type)
{ case PT_DRIVE:
case PT_MYCOMP:
return FALSE;
case PT_FOLDER:
{ case PT_FOLDER:
DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, &ft);
break;
case PT_VALUE:
@ -1182,11 +1188,7 @@ BOOL WINAPI _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
char stemp[20]; /* for filesize */
switch (pdata->type)
{ case PT_DRIVE:
case PT_MYCOMP:
case PT_FOLDER:
return FALSE;
case PT_VALUE:
{ case PT_VALUE:
break;
default:
return FALSE;

48
dlls/shell32/pidl.h
View File

@ -25,22 +25,42 @@
* The structure of the pidl seems to be a union. The first byte of the
* PIDLDATA desribes the type of pidl.
*
* first byte - my Computer 0x1F
* control/printer 0x2E
* drive 0x23
* folder 0x31
* drive: the second byte is the start of a string
* C : \
* 43 3A 5C
* file: see the PIDLDATA structure
* object ! first byte ! format ! living space
* ----------------------------------------------------------------
* my computer 0x1F mycomp (2) (usual)
* drive 0x23 drive (usual)
* control/printer 0x2E
* drive 0x2F drive (lnk/persistant)
* folder/file 0x30 folder/file (1) (lnk/persistant)
* folder 0x31 folder (usual)
* value 0x32 file (usual)
* workgroup 0x41 network (3)
* computer 0x42 network (4)
* whole network 0x47 network (5)
* share 0xc3 metwork (6)
*
* guess: the persistant elements are non tracking
*
* (1) dummy byte is used, attributes are empty
* (2) IID_MyComputer = 20D04FE0L-3AEA-1069-A2D8-08002B30309D
* (3) two strings "workgroup" "microsoft network"
* (4) one string "\\sirius"
* (5) one string "whole network"
* (6) one string "\\sirius\c"
*/
#define PT_DESKTOP 0x00 /* internal */
#define PT_MYCOMP 0x1F
#define PT_SPECIAL 0x2E
#define PT_DRIVE 0x23
#define PT_SPECIAL 0x2E
#define PT_DRIVE1 0x2F
#define PT_FOLDER1 0x30
#define PT_FOLDER 0x31
#define PT_VALUE 0x32
#define PT_WORKGRP 0x41
#define PT_COMP 0x42
#define PT_NETWORK 0x47
#define PT_SHARE 0xc3
#pragma pack(1)
typedef BYTE PIDLTYPE;
@ -49,6 +69,10 @@ typedef struct tagPIDLDATA
{ PIDLTYPE type; /*00*/
union
{ struct
{ BYTE dummy;
GUID guid;
} mycomp;
struct
{ CHAR szDriveName[4]; /*01*/
/* end of MS compatible*/
DWORD dwSFGAO; /*05*/
@ -64,6 +88,10 @@ typedef struct tagPIDLDATA
/* Here are comming two strings. The first is the long name.
The second the dos name when needed or just 0x00 */
} file, folder, generic;
struct
{ WORD dummy; /*01*/
CHAR szNames[1]; /*03*/
} network;
}u;
} PIDLDATA, *LPPIDLDATA;
#pragma pack(4)
@ -111,7 +139,7 @@ LPITEMIDLIST WINAPI _ILCreateValue(LPCSTR, LPCSTR);
* data is binary / sizes are bytes
*/
DWORD WINAPI _ILGetData(PIDLTYPE,LPCITEMIDLIST,LPVOID,UINT);
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE,LPVOID,UINT16);
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE,LPCVOID,UINT16);
/*
* helper functions (getting struct-pointer)