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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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204
dlls/shell32/pidl.c
View File

@ -11,14 +11,12 @@
#include <ctype.h> #include <ctype.h>
#include <stdlib.h> #include <stdlib.h>
#include <string.h> #include <string.h>
#include "ole2.h" #include <assert.h>
#include "debug.h" #include "debug.h"
#include "shlobj.h"
#include "shell.h" #include "shell.h"
#include "shlguid.h"
#include "winerror.h" #include "winerror.h"
#include "winnls.h" #include "winnls.h"
#include "winproc.h"
#include "commctrl.h"
#include "winversion.h" #include "winversion.h"
#include "shell32_main.h" #include "shell32_main.h"
@ -27,6 +25,8 @@
DECLARE_DEBUG_CHANNEL(pidl) DECLARE_DEBUG_CHANNEL(pidl)
DECLARE_DEBUG_CHANNEL(shell) DECLARE_DEBUG_CHANNEL(shell)
static char * szMyComp = "My Computer"; /* for comparing */
void pdump (LPCITEMIDLIST pidl) void pdump (LPCITEMIDLIST pidl)
{ DWORD type; { DWORD type;
CHAR * szData; CHAR * szData;
@ -54,6 +54,7 @@ void pdump (LPCITEMIDLIST pidl)
TRACE(pidl,"empty pidl (Desktop)\n"); TRACE(pidl,"empty pidl (Desktop)\n");
} }
#define BYTES_PRINTED 32
BOOL pcheck (LPCITEMIDLIST pidl) BOOL pcheck (LPCITEMIDLIST pidl)
{ DWORD type, ret=TRUE; { DWORD type, ret=TRUE;
@ -69,20 +70,30 @@ BOOL pcheck (LPCITEMIDLIST pidl)
case PT_DRIVE: case PT_DRIVE:
case PT_FOLDER: case PT_FOLDER:
case PT_VALUE: case PT_VALUE:
case PT_DRIVE1:
case PT_FOLDER1:
case PT_WORKGRP:
case PT_COMP:
case PT_NETWORK:
case PT_SHARE:
break; break;
default: default:
{ {
char szTemp[100]; /* 3*32 + 3 + 1 */ char szTemp[BYTES_PRINTED*4 + 1];
int i; 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]); c = ((unsigned char *)pidltemp)[i];
if (i>=31)
{ szTemp[i*3+0] = ((c>>4)>9)? (c>>4)+55 : (c>>4)+48;
sprintf (&(szTemp[i*3+3]),"..."); szTemp[i*3+1] = ((0x0F&c)>9)? (0x0F&c)+55 : (0x0F&c)+48;
break; szTemp[i*3+2] = ' ';
} szTemp[i+BYTES_PRINTED*3] = (c>=0x20 && c <=0x80) ? c : '.';
} }
szTemp[BYTES_PRINTED*4] = 0x00;
ERR (pidl,"unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp); ERR (pidl,"unknown IDLIST type size=%u type=%lx\n%s\n",pidltemp->mkid.cb,type, szTemp);
ret = FALSE; ret = FALSE;
} }
@ -97,7 +108,7 @@ BOOL pcheck (LPCITEMIDLIST pidl)
* ILGetDisplayName [SHELL32.15] * ILGetDisplayName [SHELL32.15]
*/ */
BOOL WINAPI ILGetDisplayName(LPCITEMIDLIST pidl,LPSTR path) 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); return SHGetPathFromIDListA(pidl, path);
} }
/************************************************************************* /*************************************************************************
@ -108,12 +119,10 @@ LPITEMIDLIST WINAPI ILFindLastID(LPITEMIDLIST pidl)
TRACE(pidl,"(pidl=%p)\n",pidl); TRACE(pidl,"(pidl=%p)\n",pidl);
if(pidl) while (pidl->mkid.cb)
{ while(pidl->mkid.cb) { pidlLast = pidl;
{ pidlLast = (LPITEMIDLIST)pidl;
pidl = ILGetNext(pidl); pidl = ILGetNext(pidl);
} }
}
return pidlLast; return pidlLast;
} }
/************************************************************************* /*************************************************************************
@ -348,7 +357,7 @@ BOOL WINAPI ILIsEqual(LPCITEMIDLIST pidl1, LPCITEMIDLIST pidl2)
} while (pidltemp1->mkid.cb && pidltemp2->mkid.cb); } while (pidltemp1->mkid.cb && pidltemp2->mkid.cb);
} }
if (!pidltemp1->mkid.cb && !pidltemp2->mkid.cb) if (!pidltemp1 && !pidltemp2)
{ TRACE(shell, "--- equal\n"); { TRACE(shell, "--- equal\n");
return TRUE; return TRUE;
} }
@ -384,6 +393,11 @@ LPITEMIDLIST WINAPI ILFindChild(LPCITEMIDLIST pidl1,LPCITEMIDLIST pidl2)
TRACE(pidl,"pidl1=%p pidl2=%p\n",pidl1, 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 (pidl1);
pdump (pidl2); pdump (pidl2);
@ -524,19 +538,22 @@ DWORD WINAPI ILGetSize(LPITEMIDLIST pidl)
* *
* RETURNS * RETURNS
* pointer to next element * pointer to next element
* NULL when last element ist reached
* *
*/ */
LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl) LPITEMIDLIST WINAPI ILGetNext(LPITEMIDLIST pidl)
{ LPITEMIDLIST nextpidl; { LPITEMIDLIST nextpidl;
WORD len;
/* TRACE(pidl,"(pidl=%p)\n",pidl);*/ TRACE(pidl,"(pidl=%p)\n",pidl);
if(pidl) if(pidl)
{ nextpidl = (LPITEMIDLIST)(LPBYTE)(((LPBYTE)pidl) + pidl->mkid.cb); { len = pidl->mkid.cb;
if (len)
{ nextpidl = (LPITEMIDLIST) (((LPBYTE)pidl)+len);
return nextpidl; return nextpidl;
} }
else
{ return (NULL);
} }
return NULL;
} }
/************************************************************************* /*************************************************************************
* ILAppend [SHELL32.154] * ILAppend [SHELL32.154]
@ -713,7 +730,7 @@ LPITEMIDLIST WINAPI _ILCreateDesktop()
} }
LPITEMIDLIST WINAPI _ILCreateMyComputer() LPITEMIDLIST WINAPI _ILCreateMyComputer()
{ TRACE(pidl,"()\n"); { 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) LPITEMIDLIST WINAPI _ILCreateDrive( LPCSTR lpszNew)
{ char sTemp[4]; { char sTemp[4];
@ -831,13 +848,13 @@ BOOL WINAPI _ILIsMyComputer(LPCITEMIDLIST pidl)
BOOL WINAPI _ILIsDrive(LPCITEMIDLIST pidl) BOOL WINAPI _ILIsDrive(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl); { LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE(pidl,"(%p)\n",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) BOOL WINAPI _ILIsFolder(LPCITEMIDLIST pidl)
{ LPPIDLDATA lpPData = _ILGetDataPointer(pidl); { LPPIDLDATA lpPData = _ILGetDataPointer(pidl);
TRACE(pidl,"(%p)\n",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) BOOL WINAPI _ILIsValue(LPCITEMIDLIST pidl)
@ -994,63 +1011,61 @@ DWORD WINAPI _ILGetPidlPath( LPCITEMIDLIST pidl, LPSTR lpszOut, DWORD dwOutSize)
* uInSize = size of data (raw) * uInSize = size of data (raw)
*/ */
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE type, LPVOID pIn, UINT16 uInSize) LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE type, LPCVOID pIn, UINT16 uInSize)
{ LPITEMIDLIST pidlOut=NULL; { LPITEMIDLIST pidlOut = NULL, pidlTemp = NULL;
UINT16 uSize;
LPITEMIDLIST pidlTemp=NULL;
LPPIDLDATA pData; LPPIDLDATA pData;
UINT16 uSize = 0;
LPSTR pszDest; LPSTR pszDest;
TRACE(pidl,"(0x%02x %p %i)\n",type,pIn,uInSize); 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) switch (type)
{ case PT_DRIVE: { case PT_DESKTOP:
uSize = 4 + 9; uSize = 0;
pidlOut = SHAlloc(uSize + 2);
pidlOut->mkid.cb = uSize;
TRACE(pidl,"- create Desktop\n");
break; break;
default:
uSize = 4 + (sizeof(PIDLDATA)) + uInSize; case PT_MYCOMP:
} uSize = 2 + 2 + sizeof(GUID);
pidlOut = SHAlloc(uSize); pidlOut = SHAlloc(uSize + 2);
pidlTemp = pidlOut; pidlOut->mkid.cb = uSize;
if(pidlOut) pData =_ILGetDataPointer(pidlOut);
{ pidlTemp->mkid.cb = uSize - 2;
pData =_ILGetDataPointer(pidlTemp);
pszDest = _ILGetTextPointer(type, pData);
pData->type = type; pData->type = type;
switch(type) memcpy(&(pData->u.mycomp.guid), pIn, uInSize);
{ case PT_MYCOMP: TRACE(pidl,"- create My Computer\n");
memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create My Computer: %s\n",debugstr_a(pszDest));
break; break;
case PT_DRIVE: 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); memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create Drive: %s\n",debugstr_a(pszDest)); TRACE(pidl,"- create Drive: %s\n",debugstr_a(pszDest));
break; break;
case PT_FOLDER: case PT_FOLDER:
case PT_VALUE: 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); memcpy(pszDest, pIn, uInSize);
TRACE(pidl,"- create Value: %s\n",debugstr_a(pszDest)); TRACE(pidl,"- create Value: %s\n",debugstr_a(pszDest));
break; break;
default:
FIXME(pidl,"-- wrong argument\n");
break;
} }
pidlTemp = ILGetNext(pidlTemp); pidlTemp = ILGetNext(pidlOut);
if (pidlTemp)
pidlTemp->mkid.cb = 0x00; pidlTemp->mkid.cb = 0x00;
}
TRACE(pidl,"-- (pidl=%p, size=%u)\n",pidlOut,uSize-2); TRACE(pidl,"-- (pidl=%p, size=%u)\n", pidlOut, uSize);
return pidlOut; 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); TRACE(pidl,"(%x %p %p %x)\n",type,pidl,pOut,uOutSize);
if(!pidl) if( (!pidl) || (!pOut) || (uOutSize < 1))
{ return 0; { return 0;
} }
*(LPSTR)pOut = 0; *(LPSTR)pOut = 0;
pData = _ILGetDataPointer(pidl); pData = _ILGetDataPointer(pidl);
if ( pData->type != type)
{ ERR(pidl,"-- wrong type\n"); assert ( pData->type == type);
return 0;
}
pszSrc = _ILGetTextPointer(pData->type, pData); pszSrc = _ILGetTextPointer(pData->type, pData);
switch(type) if (pszSrc)
{ case PT_MYCOMP: { strncpy((LPSTR)pOut, pszSrc, uOutSize);
if(uOutSize < 1)
return 0;
strncpy((LPSTR)pOut, "My Computer", uOutSize);
dwReturn = strlen((LPSTR)pOut)+1; 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;
} }
else
{ ERR(pidl,"-- no data\n");
}
TRACE(pidl,"-- (%p=%s 0x%08lx)\n",pOut,(char*)pOut,dwReturn); TRACE(pidl,"-- (%p=%s 0x%08lx)\n",pOut,(char*)pOut,dwReturn);
return dwReturn; return dwReturn;
} }
@ -1126,13 +1124,25 @@ LPSTR WINAPI _ILGetTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
if(!pidldata) if(!pidldata)
{ return NULL; { return NULL;
} }
switch (type) switch (type)
{ case PT_DRIVE: { case PT_DRIVE:
case PT_DRIVE1:
return (LPSTR)&(pidldata->u.drive.szDriveName); return (LPSTR)&(pidldata->u.drive.szDriveName);
case PT_MYCOMP: case PT_MYCOMP:
return szMyComp;
case PT_FOLDER: case PT_FOLDER:
case PT_FOLDER1:
case PT_VALUE: case PT_VALUE:
return (LPSTR)&(pidldata->u.file.szNames); 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; return NULL;
} }
@ -1147,12 +1157,11 @@ LPSTR WINAPI _ILGetSTextPointer(PIDLTYPE type, LPPIDLDATA pidldata)
{ return NULL; { return NULL;
} }
switch (type) switch (type)
{ case PT_MYCOMP: { case PT_FOLDER:
case PT_DRIVE:
return NULL;
case PT_FOLDER:
case PT_VALUE: case PT_VALUE:
return (LPSTR)(pidldata->u.file.szNames + strlen (pidldata->u.file.szNames) + 1); 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; return NULL;
} }
@ -1162,10 +1171,7 @@ BOOL WINAPI _ILGetFileDate (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
SYSTEMTIME time; SYSTEMTIME time;
switch (pdata->type) switch (pdata->type)
{ case PT_DRIVE: { case PT_FOLDER:
case PT_MYCOMP:
return FALSE;
case PT_FOLDER:
DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, &ft); DosDateTimeToFileTime(pdata->u.folder.uFileDate, pdata->u.folder.uFileTime, &ft);
break; break;
case PT_VALUE: case PT_VALUE:
@ -1182,11 +1188,7 @@ BOOL WINAPI _ILGetFileSize (LPCITEMIDLIST pidl, LPSTR pOut, UINT uOutSize)
char stemp[20]; /* for filesize */ char stemp[20]; /* for filesize */
switch (pdata->type) switch (pdata->type)
{ case PT_DRIVE: { case PT_VALUE:
case PT_MYCOMP:
case PT_FOLDER:
return FALSE;
case PT_VALUE:
break; break;
default: default:
return FALSE; return FALSE;

46
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 * The structure of the pidl seems to be a union. The first byte of the
* PIDLDATA desribes the type of pidl. * PIDLDATA desribes the type of pidl.
* *
* first byte - my Computer 0x1F * object ! first byte ! format ! living space
* ----------------------------------------------------------------
* my computer 0x1F mycomp (2) (usual)
* drive 0x23 drive (usual)
* control/printer 0x2E * control/printer 0x2E
* drive 0x23 * drive 0x2F drive (lnk/persistant)
* folder 0x31 * folder/file 0x30 folder/file (1) (lnk/persistant)
* drive: the second byte is the start of a string * folder 0x31 folder (usual)
* C : \ * value 0x32 file (usual)
* 43 3A 5C * workgroup 0x41 network (3)
* file: see the PIDLDATA structure * 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_DESKTOP 0x00 /* internal */
#define PT_MYCOMP 0x1F #define PT_MYCOMP 0x1F
#define PT_SPECIAL 0x2E
#define PT_DRIVE 0x23 #define PT_DRIVE 0x23
#define PT_SPECIAL 0x2E
#define PT_DRIVE1 0x2F
#define PT_FOLDER1 0x30
#define PT_FOLDER 0x31 #define PT_FOLDER 0x31
#define PT_VALUE 0x32 #define PT_VALUE 0x32
#define PT_WORKGRP 0x41
#define PT_COMP 0x42
#define PT_NETWORK 0x47
#define PT_SHARE 0xc3
#pragma pack(1) #pragma pack(1)
typedef BYTE PIDLTYPE; typedef BYTE PIDLTYPE;
@ -49,6 +69,10 @@ typedef struct tagPIDLDATA
{ PIDLTYPE type; /*00*/ { PIDLTYPE type; /*00*/
union union
{ struct { struct
{ BYTE dummy;
GUID guid;
} mycomp;
struct
{ CHAR szDriveName[4]; /*01*/ { CHAR szDriveName[4]; /*01*/
/* end of MS compatible*/ /* end of MS compatible*/
DWORD dwSFGAO; /*05*/ DWORD dwSFGAO; /*05*/
@ -64,6 +88,10 @@ typedef struct tagPIDLDATA
/* Here are comming two strings. The first is the long name. /* Here are comming two strings. The first is the long name.
The second the dos name when needed or just 0x00 */ The second the dos name when needed or just 0x00 */
} file, folder, generic; } file, folder, generic;
struct
{ WORD dummy; /*01*/
CHAR szNames[1]; /*03*/
} network;
}u; }u;
} PIDLDATA, *LPPIDLDATA; } PIDLDATA, *LPPIDLDATA;
#pragma pack(4) #pragma pack(4)
@ -111,7 +139,7 @@ LPITEMIDLIST WINAPI _ILCreateValue(LPCSTR, LPCSTR);
* data is binary / sizes are bytes * data is binary / sizes are bytes
*/ */
DWORD WINAPI _ILGetData(PIDLTYPE,LPCITEMIDLIST,LPVOID,UINT); DWORD WINAPI _ILGetData(PIDLTYPE,LPCITEMIDLIST,LPVOID,UINT);
LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE,LPVOID,UINT16); LPITEMIDLIST WINAPI _ILCreate(PIDLTYPE,LPCVOID,UINT16);
/* /*
* helper functions (getting struct-pointer) * helper functions (getting struct-pointer)