Intravision/reactos
1
0
Fork 0
mirror of https://github.com/reactos/reactos.git synced 2025-08-06 00:12:57 +00:00
Code Issues Projects Releases Packages Wiki Activity

Implemented InfGetXxxField() functions.

Browse source 
svn path=/trunk/; revision=4306
This commit is contained in:
Eric Kohl 2003-03-15 19:36:11 +00:00
parent e8cb3842fb
commit 9c982f8f51
2 changed files with 424 additions and 23 deletions
Download patch file Download diff file Expand all files Collapse all files

386
reactos/subsys/system/usetup/infcache.c
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: infcache.c,v 1.2 2003/03/13 17:58:52 ekohl Exp $ /* $Id: infcache.c,v 1.3 2003/03/15 19:36:10 ekohl Exp $
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS text-mode setup * PROJECT: ReactOS text-mode setup
* FILE: subsys/system/usetup/infcache.c * FILE: subsys/system/usetup/infcache.c
@ -55,7 +55,7 @@ typedef struct _INFCACHELINE
LONG FieldCount; LONG FieldCount;
PWCHAR Name; PWCHAR Key;
PINFCACHEFIELD FirstField; PINFCACHEFIELD FirstField;
PINFCACHEFIELD LastField; PINFCACHEFIELD LastField;
@ -160,12 +160,12 @@ InfpCacheFreeLine (PINFCACHELINE Line)
} }
Next = Line->Next; Next = Line->Next;
if (Line->Name != NULL) if (Line->Key != NULL)
{ {
RtlFreeHeap (ProcessHeap, RtlFreeHeap (ProcessHeap,
0, 0,
Line->Name); Line->Key);
Line->Name = NULL; Line->Key = NULL;
} }
/* Remove data fields */ /* Remove data fields */
@ -329,23 +329,23 @@ InfpCacheAddLine (PINFCACHESECTION Section)
static PVOID static PVOID
InfpAddKeyToLine (PINFCACHELINE Line, InfpAddKeyToLine (PINFCACHELINE Line,
PWCHAR Name) PWCHAR Key)
{ {
if (Line == NULL) if (Line == NULL)
return NULL; return NULL;
if (Line->Name != NULL) if (Line->Key != NULL)
return NULL; return NULL;
Line->Name = (PWCHAR)RtlAllocateHeap (ProcessHeap, Line->Key = (PWCHAR)RtlAllocateHeap (ProcessHeap,
0, 0,
(wcslen (Name) + 1) * sizeof(WCHAR)); (wcslen (Key) + 1) * sizeof(WCHAR));
if (Line->Name == NULL) if (Line->Key == NULL)
return NULL; return NULL;
wcscpy (Line->Name, Name); wcscpy (Line->Key, Key);
return (PVOID)Line->Name; return (PVOID)Line->Key;
} }
@ -388,14 +388,14 @@ InfpAddFieldToLine (PINFCACHELINE Line,
static PINFCACHELINE static PINFCACHELINE
InfpCacheFindKeyLine (PINFCACHESECTION Section, InfpCacheFindKeyLine (PINFCACHESECTION Section,
PWCHAR Name) PWCHAR Key)
{ {
PINFCACHELINE Line; PINFCACHELINE Line;
Line = Section->FirstLine; Line = Section->FirstLine;
while (Line != NULL) while (Line != NULL)
{ {
if (Line->Name != NULL && _wcsicmp (Line->Name, Name) == 0) if (Line->Key != NULL && _wcsicmp (Line->Key, Key) == 0)
{ {
return Line; return Line;
} }
@ -1126,12 +1126,89 @@ InfFindNextLine (PINFCONTEXT ContextIn,
if (CacheLine->Next == NULL) if (CacheLine->Next == NULL)
return FALSE; return FALSE;
if (ContextIn != ContextOut)
{
ContextOut->Inf = ContextIn->Inf;
ContextOut->Section = ContextIn->Section;
}
ContextOut->Line = (PVOID)(CacheLine->Next); ContextOut->Line = (PVOID)(CacheLine->Next);
return TRUE; return TRUE;
} }
BOOLEAN
InfFindFirstMatchLine (PINFCONTEXT ContextIn,
PCWSTR Key,
PINFCONTEXT ContextOut)
{
PINFCACHELINE CacheLine;
if (ContextIn == NULL || ContextOut == NULL || Key == NULL || *Key == 0)
return FALSE;
if (ContextIn->Inf == NULL || ContextIn->Section == NULL)
return FALSE;
CacheLine = ((PINFCACHESECTION)(ContextIn->Section))->FirstLine;
while (CacheLine != NULL)
{
if (CacheLine->Key != NULL && _wcsicmp (CacheLine->Key, Key) == 0)
{
if (ContextIn != ContextOut)
{
ContextOut->Inf = ContextIn->Inf;
ContextOut->Section = ContextIn->Section;
}
ContextOut->Line = (PVOID)CacheLine;
return TRUE;
}
CacheLine = CacheLine->Next;
}
return FALSE;
}
BOOLEAN
InfFindNextMatchLine (PINFCONTEXT ContextIn,
PCWSTR Key,
PINFCONTEXT ContextOut)
{
PINFCACHELINE CacheLine;
if (ContextIn == NULL || ContextOut == NULL || Key == NULL || *Key == 0)
return FALSE;
if (ContextIn->Inf == NULL || ContextIn->Section == NULL || ContextIn->Line == NULL)
return FALSE;
CacheLine = (PINFCACHELINE)ContextIn->Line;
while (CacheLine != NULL)
{
if (CacheLine->Key != NULL && _wcsicmp (CacheLine->Key, Key) == 0)
{
if (ContextIn != ContextOut)
{
ContextOut->Inf = ContextIn->Inf;
ContextOut->Section = ContextIn->Section;
}
ContextOut->Line = (PVOID)CacheLine;
return TRUE;
}
CacheLine = CacheLine->Next;
}
return FALSE;
}
LONG LONG
InfGetLineCount(HINF InfHandle, InfGetLineCount(HINF InfHandle,
PCWSTR Section) PCWSTR Section)
@ -1169,6 +1246,246 @@ InfGetLineCount(HINF InfHandle,
} }
/* InfGetLineText */
LONG
InfGetFieldCount(PINFCONTEXT Context)
{
if (Context == NULL || Context->Line == NULL)
return 0;
return ((PINFCACHELINE)Context->Line)->FieldCount;
}
BOOLEAN
InfGetBinaryField (PINFCONTEXT Context,
ULONG FieldIndex,
PUCHAR ReturnBuffer,
ULONG ReturnBufferSize,
PULONG RequiredSize)
{
PINFCACHELINE CacheLine;
PINFCACHEFIELD CacheField;
ULONG Index;
ULONG Size;
PUCHAR Ptr;
if (Context == NULL || Context->Line == NULL || FieldIndex == 0)
{
DPRINT("Invalid parameter\n");
return FALSE;
}
if (RequiredSize != NULL)
*RequiredSize = 0;
CacheLine = (PINFCACHELINE)Context->Line;
if (FieldIndex > CacheLine->FieldCount)
return FALSE;
CacheField = CacheLine->FirstField;
for (Index = 1; Index < FieldIndex; Index++)
CacheField = CacheField->Next;
Size = CacheLine->FieldCount - FieldIndex + 1;
if (RequiredSize != NULL)
*RequiredSize = Size;
if (ReturnBuffer != NULL)
{
if (ReturnBufferSize < Size)
return FALSE;
/* Copy binary data */
Ptr = ReturnBuffer;
while (CacheField != NULL)
{
*Ptr = (UCHAR)wcstoul (CacheField->Data, NULL, 16);
Ptr++;
CacheField = CacheField->Next;
}
}
return TRUE;
}
BOOLEAN
InfGetIntField (PINFCONTEXT Context,
ULONG FieldIndex,
PLONG IntegerValue)
{
PINFCACHELINE CacheLine;
PINFCACHEFIELD CacheField;
ULONG Index;
PWCHAR Ptr;
if (Context == NULL || Context->Line == NULL || IntegerValue == NULL)
{
DPRINT("Invalid parameter\n");
return FALSE;
}
CacheLine = (PINFCACHELINE)Context->Line;
if (FieldIndex > CacheLine->FieldCount)
{
DPRINT("Invalid parameter\n");
return FALSE;
}
if (FieldIndex == 0)
{
Ptr = CacheLine->Key;
}
else
{
CacheField = CacheLine->FirstField;
for (Index = 1; Index < FieldIndex; Index++)
CacheField = CacheField->Next;
Ptr = CacheField->Data;
}
*IntegerValue = wcstol (Ptr, NULL, 0);
return TRUE;
}
BOOLEAN
InfGetMultiSzField (PINFCONTEXT Context,
ULONG FieldIndex,
PWSTR ReturnBuffer,
ULONG ReturnBufferSize,
PULONG RequiredSize)
{
PINFCACHELINE CacheLine;
PINFCACHEFIELD CacheField;
PINFCACHEFIELD FieldPtr;
ULONG Index;
ULONG Size;
PWCHAR Ptr;
if (Context == NULL || Context->Line == NULL || FieldIndex == 0)
{
DPRINT("Invalid parameter\n");
return FALSE;
}
if (RequiredSize != NULL)
*RequiredSize = 0;
CacheLine = (PINFCACHELINE)Context->Line;
if (FieldIndex > CacheLine->FieldCount)
return FALSE;
CacheField = CacheLine->FirstField;
for (Index = 1; Index < FieldIndex; Index++)
CacheField = CacheField->Next;
/* Calculate the required buffer size */
FieldPtr = CacheField;
Size = 0;
while (FieldPtr != NULL)
{
Size += (wcslen (FieldPtr->Data) + 1);
FieldPtr = FieldPtr->Next;
}
Size++;
if (RequiredSize != NULL)
*RequiredSize = Size;
if (ReturnBuffer != NULL)
{
if (ReturnBufferSize < Size)
return FALSE;
/* Copy multi-sz string */
Ptr = ReturnBuffer;
FieldPtr = CacheField;
while (FieldPtr != NULL)
{
Size = wcslen (FieldPtr->Data) + 1;
wcscpy (Ptr, FieldPtr->Data);
Ptr = Ptr + Size;
FieldPtr = FieldPtr->Next;
}
*Ptr = 0;
}
return TRUE;
}
BOOLEAN
InfGetStringField (PINFCONTEXT Context,
ULONG FieldIndex,
PWSTR ReturnBuffer,
ULONG ReturnBufferSize,
PULONG RequiredSize)
{
PINFCACHELINE CacheLine;
PINFCACHEFIELD CacheField;
ULONG Index;
PWCHAR Ptr;
ULONG Size;
if (Context == NULL || Context->Line == NULL || FieldIndex == 0)
{
DPRINT("Invalid parameter\n");
return FALSE;
}
if (RequiredSize != NULL)
*RequiredSize = 0;
CacheLine = (PINFCACHELINE)Context->Line;
if (FieldIndex > CacheLine->FieldCount)
return FALSE;
if (FieldIndex == 0)
{
Ptr = CacheLine->Key;
}
else
{
CacheField = CacheLine->FirstField;
for (Index = 1; Index < FieldIndex; Index++)
CacheField = CacheField->Next;
Ptr = CacheField->Data;
}
Size = wcslen (Ptr) + 1;
if (RequiredSize != NULL)
*RequiredSize = Size;
if (ReturnBuffer != NULL)
{
if (ReturnBufferSize < Size)
return FALSE;
wcscpy (ReturnBuffer, Ptr);
}
return TRUE;
}
BOOLEAN BOOLEAN
InfGetData (PINFCONTEXT Context, InfGetData (PINFCONTEXT Context,
PWCHAR *Key, PWCHAR *Key,
@ -1184,7 +1501,7 @@ InfGetData (PINFCONTEXT Context,
CacheKey = (PINFCACHELINE)Context->Line; CacheKey = (PINFCACHELINE)Context->Line;
if (Key != NULL) if (Key != NULL)
*Key = CacheKey->Name; *Key = CacheKey->Key;
if (Data != NULL) if (Data != NULL)
{ {
@ -1202,4 +1519,41 @@ InfGetData (PINFCONTEXT Context,
} }
BOOLEAN
InfGetDataField (PINFCONTEXT Context,
ULONG FieldIndex,
PWCHAR *Data)
{
PINFCACHELINE CacheLine;
PINFCACHEFIELD CacheField;
ULONG Index;
if (Context == NULL || Context->Line == NULL || Data == NULL)
{
DPRINT("Invalid parameter\n");
return FALSE;
}
CacheLine = (PINFCACHELINE)Context->Line;
if (FieldIndex > CacheLine->FieldCount)
return FALSE;
if (FieldIndex == 0)
{
*Data = CacheLine->Key;
}
else
{
CacheField = CacheLine->FirstField;
for (Index = 1; Index < FieldIndex; Index++)
CacheField = CacheField->Next;
*Data = CacheField->Data;
}
return TRUE;
}
/* EOF */ /* EOF */

61
reactos/subsys/system/usetup/infcache.h
View file

@ -16,7 +16,7 @@
* along with this program; if not, write to the Free Software * along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/ */
/* $Id: infcache.h,v 1.2 2003/03/13 17:58:52 ekohl Exp $ /* $Id: infcache.h,v 1.3 2003/03/15 19:36:11 ekohl Exp $
* COPYRIGHT: See COPYING in the top level directory * COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS text-mode setup * PROJECT: ReactOS text-mode setup
* FILE: subsys/system/usetup/infcache.h * FILE: subsys/system/usetup/infcache.h
@ -34,6 +34,7 @@
#define STATUS_WRONG_INF_STYLE (0xC0700003) #define STATUS_WRONG_INF_STYLE (0xC0700003)
#define STATUS_NOT_ENOUGH_MEMORY (0xC0700004) #define STATUS_NOT_ENOUGH_MEMORY (0xC0700004)
#define MAX_INF_STRING_LENGTH 512
typedef PVOID HINF, *PHINF; typedef PVOID HINF, *PHINF;
@ -49,12 +50,12 @@ typedef struct _INFCONTEXT
/* FUNCTIONS ****************************************************************/ /* FUNCTIONS ****************************************************************/
NTSTATUS NTSTATUS
InfOpenFile(PHINF InfHandle, InfOpenFile (PHINF InfHandle,
PUNICODE_STRING FileName, PUNICODE_STRING FileName,
PULONG ErrorLine); PULONG ErrorLine);
VOID VOID
InfCloseFile(HINF InfHandle); InfCloseFile (HINF InfHandle);
BOOLEAN BOOLEAN
@ -67,10 +68,51 @@ BOOLEAN
InfFindNextLine (PINFCONTEXT ContextIn, InfFindNextLine (PINFCONTEXT ContextIn,
PINFCONTEXT ContextOut); PINFCONTEXT ContextOut);
BOOLEAN
InfFindFirstMatchLine (PINFCONTEXT ContextIn,
PCWSTR Key,
PINFCONTEXT ContextOut);
BOOLEAN
InfFindNextMatchLine (PINFCONTEXT ContextIn,
PCWSTR Key,
PINFCONTEXT ContextOut);
LONG LONG
InfGetLineCount(HINF InfHandle, InfGetLineCount (HINF InfHandle,
PCWSTR Section); PCWSTR Section);
LONG
InfGetFieldCount (PINFCONTEXT Context);
BOOLEAN
InfGetBinaryField (PINFCONTEXT Context,
ULONG FieldIndex,
PUCHAR ReturnBuffer,
ULONG ReturnBufferSize,
PULONG RequiredSize);
BOOLEAN
InfGetIntField (PINFCONTEXT Context,
ULONG FieldIndex,
PLONG IntegerValue);
BOOLEAN
InfGetMultiSzField (PINFCONTEXT Context,
ULONG FieldIndex,
PWSTR ReturnBuffer,
ULONG ReturnBufferSize,
PULONG RequiredSize);
BOOLEAN
InfGetStringField (PINFCONTEXT Context,
ULONG FieldIndex,
PWSTR ReturnBuffer,
ULONG ReturnBufferSize,
PULONG RequiredSize);
BOOLEAN BOOLEAN
@ -78,6 +120,11 @@ InfGetData (PINFCONTEXT Context,
PWCHAR *Key, PWCHAR *Key,
PWCHAR *Data); PWCHAR *Data);
BOOLEAN
InfGetDataField (PINFCONTEXT Context,
ULONG FieldIndex,
PWCHAR *Data);
#endif /* __INFCACHE_H__ */ #endif /* __INFCACHE_H__ */
/* EOF */ /* EOF */