+++ /dev/null
-/*
- * PROJECT: .inf file parser
- * LICENSE: GPL - See COPYING in the top level directory
- * PROGRAMMER: Royce Mitchell III
- * Eric Kohl
- * Ge van Geldorp <gvg@reactos.org>
- */
-
-/* INCLUDES *****************************************************************/
-
-#include "inflib.h"
-
-#define NDEBUG
-#include <debug.h>
-
-static unsigned int
-InfpSubstituteString(PINFCACHE Inf,
- const WCHAR *text,
- WCHAR *buffer,
- unsigned int size);
-
-static void
-ShortToHex(PWCHAR Buffer,
- USHORT Value)
-{
- WCHAR HexDigits[] = L"0123456789abcdef";
-
- Buffer[0] = HexDigits[Value >> 12 & 0xf];
- Buffer[1] = HexDigits[Value >> 8 & 0xf];
- Buffer[2] = HexDigits[Value >> 4 & 0xf];
- Buffer[3] = HexDigits[Value >> 0 & 0xf];
-}
-
-/* retrieve the string substitution for a given string, or NULL if not found */
-/* if found, len is set to the substitution length */
-static PCWSTR
-InfpGetSubstitutionString(PINFCACHE Inf,
- PCWSTR str,
- unsigned int *len,
- BOOL no_trailing_slash)
-{
- static const WCHAR percent = '%';
-
- INFSTATUS Status = INF_STATUS_NOT_FOUND;
- PINFCONTEXT Context = NULL;
- PWCHAR Data = NULL;
- WCHAR ValueName[MAX_INF_STRING_LENGTH +1];
- WCHAR StringLangId[] = L"Strings.XXXX";
-
- if (!*len) /* empty string (%%) is replaced by single percent */
- {
- *len = 1;
- return &percent;
- }
-
- memcpy(ValueName, str, *len * sizeof(WCHAR));
- ValueName[*len] = 0;
-
- DPRINT("Value name: %S\n", ValueName);
-
- if (Inf->LanguageId != 0)
- {
- ShortToHex(&StringLangId[sizeof("Strings.") - 1],
- Inf->LanguageId);
-
- Status = InfpFindFirstLine(Inf,
- StringLangId,
- ValueName,
- &Context);
- if (Status != INF_STATUS_SUCCESS)
- {
- ShortToHex(&StringLangId[sizeof("Strings.") - 1],
- MAKELANGID(PRIMARYLANGID(Inf->LanguageId), SUBLANG_NEUTRAL));
-
- Status = InfpFindFirstLine(Inf,
- StringLangId,
- ValueName,
- &Context);
- if (Status != INF_STATUS_SUCCESS)
- {
- Status = InfpFindFirstLine(Inf,
- L"Strings",
- ValueName,
- &Context);
- }
- }
- }
- else
- {
- Status = InfpFindFirstLine(Inf,
- L"Strings",
- ValueName,
- &Context);
- }
-
- if (Status != INF_STATUS_SUCCESS || Context == NULL)
- return NULL;
-
- Status = InfpGetData(Context,
- NULL,
- &Data);
-
- InfpFreeContext(Context);
-
- if (Status == STATUS_SUCCESS)
- {
- *len = strlenW(Data);
- DPRINT("Substitute: %S Length: %ul\n", Data, *len);
- return Data;
- }
-
- return NULL;
-}
-
-
-/* do string substitutions on the specified text */
-/* the buffer is assumed to be large enough */
-/* returns necessary length not including terminating null */
-static unsigned int
-InfpSubstituteString(PINFCACHE Inf,
- PCWSTR text,
- PWSTR buffer,
- unsigned int size)
-{
- const WCHAR *start, *subst, *p;
- unsigned int len, total = 0;
- int inside = 0;
-
- if (!buffer) size = MAX_INF_STRING_LENGTH + 1;
- for (p = start = text; *p; p++)
- {
- if (*p != '%') continue;
- inside = !inside;
- if (inside) /* start of a %xx% string */
- {
- len = (unsigned int)(p - start);
- if (len > size - 1) len = size - 1;
- if (buffer) memcpy( buffer + total, start, len * sizeof(WCHAR) );
- total += len;
- size -= len;
- start = p;
- }
- else /* end of the %xx% string, find substitution */
- {
- len = (unsigned int)(p - start - 1);
- subst = InfpGetSubstitutionString( Inf, start + 1, &len, p[1] == '\\' );
- if (!subst)
- {
- subst = start;
- len = (unsigned int)(p - start + 1);
- }
- if (len > size - 1) len = size - 1;
- if (buffer) memcpy( buffer + total, subst, len * sizeof(WCHAR) );
- total += len;
- size -= len;
- start = p + 1;
- }
- }
-
- if (start != p) /* unfinished string, copy it */
- {
- len = (unsigned int)(p - start);
- if (len > size - 1) len = size - 1;
- if (buffer) memcpy( buffer + total, start, len * sizeof(WCHAR) );
- total += len;
- }
- if (buffer && size) buffer[total] = 0;
- return total;
-}
-
-
-INFSTATUS
-InfpFindFirstLine(PINFCACHE Cache,
- PCWSTR Section,
- PCWSTR Key,
- PINFCONTEXT *Context)
-{
- PINFCACHESECTION CacheSection;
- PINFCACHELINE CacheLine;
-
- if (Cache == NULL || Section == NULL || Context == NULL)
- {
- DPRINT1("Invalid parameter\n");
- return INF_STATUS_INVALID_PARAMETER;
- }
-
- CacheSection = InfpFindSection(Cache, Section);
- if (NULL == CacheSection)
- {
- DPRINT("Section not found\n");
- return INF_STATUS_NOT_FOUND;
- }
-
- if (Key != NULL)
- {
- CacheLine = InfpFindKeyLine(CacheSection, Key);
- }
- else
- {
- CacheLine = CacheSection->FirstLine;
- }
-
- if (NULL == CacheLine)
- {
- DPRINT("Key not found\n");
- return INF_STATUS_NOT_FOUND;
- }
-
- *Context = MALLOC(sizeof(INFCONTEXT));
- if (NULL == *Context)
- {
- DPRINT1("MALLOC() failed\n");
- return INF_STATUS_NO_MEMORY;
- }
- (*Context)->Inf = (PVOID)Cache;
- (*Context)->Section = (PVOID)CacheSection;
- (*Context)->Line = (PVOID)CacheLine;
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpFindNextLine(PINFCONTEXT ContextIn,
- PINFCONTEXT ContextOut)
-{
- PINFCACHELINE CacheLine;
-
- if (ContextIn == NULL || ContextOut == NULL)
- return INF_STATUS_INVALID_PARAMETER;
-
- if (ContextIn->Line == NULL)
- return INF_STATUS_INVALID_PARAMETER;
-
- CacheLine = (PINFCACHELINE)ContextIn->Line;
- if (CacheLine->Next == NULL)
- return INF_STATUS_NOT_FOUND;
-
- if (ContextIn != ContextOut)
- {
- ContextOut->Inf = ContextIn->Inf;
- ContextOut->Section = ContextIn->Section;
- }
- ContextOut->Line = (PVOID)(CacheLine->Next);
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpFindFirstMatchLine(PINFCONTEXT ContextIn,
- PCWSTR Key,
- PINFCONTEXT ContextOut)
-{
- PINFCACHELINE CacheLine;
-
- if (ContextIn == NULL || ContextOut == NULL || Key == NULL || *Key == 0)
- return INF_STATUS_INVALID_PARAMETER;
-
- if (ContextIn->Inf == NULL || ContextIn->Section == NULL)
- return INF_STATUS_INVALID_PARAMETER;
-
- CacheLine = ((PINFCACHESECTION)(ContextIn->Section))->FirstLine;
- while (CacheLine != NULL)
- {
- if (CacheLine->Key != NULL && strcmpiW (CacheLine->Key, Key) == 0)
- {
-
- if (ContextIn != ContextOut)
- {
- ContextOut->Inf = ContextIn->Inf;
- ContextOut->Section = ContextIn->Section;
- }
- ContextOut->Line = (PVOID)CacheLine;
-
- return INF_STATUS_SUCCESS;
- }
-
- CacheLine = CacheLine->Next;
- }
-
- return INF_STATUS_NOT_FOUND;
-}
-
-
-INFSTATUS
-InfpFindNextMatchLine(PINFCONTEXT ContextIn,
- PCWSTR Key,
- PINFCONTEXT ContextOut)
-{
- PINFCACHELINE CacheLine;
-
- if (ContextIn == NULL || ContextOut == NULL || Key == NULL || *Key == 0)
- return INF_STATUS_INVALID_PARAMETER;
-
- if (ContextIn->Inf == NULL || ContextIn->Section == NULL || ContextIn->Line == NULL)
- return INF_STATUS_INVALID_PARAMETER;
-
- CacheLine = (PINFCACHELINE)ContextIn->Line;
- while (CacheLine != NULL)
- {
- if (CacheLine->Key != NULL && strcmpiW (CacheLine->Key, Key) == 0)
- {
-
- if (ContextIn != ContextOut)
- {
- ContextOut->Inf = ContextIn->Inf;
- ContextOut->Section = ContextIn->Section;
- }
- ContextOut->Line = (PVOID)CacheLine;
-
- return INF_STATUS_SUCCESS;
- }
-
- CacheLine = CacheLine->Next;
- }
-
- return INF_STATUS_NOT_FOUND;
-}
-
-
-LONG
-InfpGetLineCount(HINF InfHandle,
- PCWSTR Section)
-{
- PINFCACHE Cache;
- PINFCACHESECTION CacheSection;
-
- if (InfHandle == NULL || Section == NULL)
- {
- DPRINT("Invalid parameter\n");
- return -1;
- }
-
- Cache = (PINFCACHE)InfHandle;
-
- /* Iterate through list of sections */
- CacheSection = Cache->FirstSection;
- while (CacheSection != NULL)
- {
- /* Are the section names the same? */
- if (strcmpiW(CacheSection->Name, Section) == 0)
- {
- return CacheSection->LineCount;
- }
-
- /* Get the next section */
- CacheSection = CacheSection->Next;
- }
-
- DPRINT("Section not found\n");
-
- return -1;
-}
-
-
-/* InfpGetLineText */
-
-
-LONG
-InfpGetFieldCount(PINFCONTEXT Context)
-{
- if (Context == NULL || Context->Line == NULL)
- return 0;
-
- return ((PINFCACHELINE)Context->Line)->FieldCount;
-}
-
-
-INFSTATUS
-InfpGetBinaryField(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 INF_STATUS_INVALID_PARAMETER;
- }
-
- if (RequiredSize != NULL)
- *RequiredSize = 0;
-
- CacheLine = (PINFCACHELINE)Context->Line;
-
- if (FieldIndex > (ULONG)CacheLine->FieldCount)
- return INF_STATUS_NOT_FOUND;
-
- CacheField = CacheLine->FirstField;
- for (Index = 1; Index < FieldIndex; Index++)
- CacheField = CacheField->Next;
-
- Size = (ULONG)CacheLine->FieldCount - FieldIndex + 1;
-
- if (RequiredSize != NULL)
- *RequiredSize = Size;
-
- if (ReturnBuffer != NULL)
- {
- if (ReturnBufferSize < Size)
- return INF_STATUS_BUFFER_OVERFLOW;
-
- /* Copy binary data */
- Ptr = ReturnBuffer;
- while (CacheField != NULL)
- {
- *Ptr = (UCHAR)strtoulW(CacheField->Data, NULL, 16);
-
- Ptr++;
- CacheField = CacheField->Next;
- }
- }
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpGetIntField(PINFCONTEXT Context,
- ULONG FieldIndex,
- INT *IntegerValue)
-{
- PINFCACHELINE CacheLine;
- PINFCACHEFIELD CacheField;
- ULONG Index;
- PWCHAR Ptr;
-
- if (Context == NULL || Context->Line == NULL || IntegerValue == NULL)
- {
- DPRINT("Invalid parameter\n");
- return INF_STATUS_INVALID_PARAMETER;
- }
-
- CacheLine = (PINFCACHELINE)Context->Line;
-
- if (FieldIndex > (ULONG)CacheLine->FieldCount)
- {
- DPRINT("Invalid parameter\n");
- return INF_STATUS_INVALID_PARAMETER;
- }
-
- if (FieldIndex == 0)
- {
- Ptr = CacheLine->Key;
- }
- else
- {
- CacheField = CacheLine->FirstField;
- for (Index = 1; Index < FieldIndex; Index++)
- CacheField = CacheField->Next;
-
- Ptr = CacheField->Data;
- }
-
- *IntegerValue = (LONG)strtolW(Ptr, NULL, 0);
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpGetMultiSzField(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 INF_STATUS_INVALID_PARAMETER;
- }
-
- if (RequiredSize != NULL)
- *RequiredSize = 0;
-
- CacheLine = (PINFCACHELINE)Context->Line;
-
- if (FieldIndex > (ULONG)CacheLine->FieldCount)
- return INF_STATUS_INVALID_PARAMETER;
-
- 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 += ((ULONG)strlenW(FieldPtr->Data) + 1);
- FieldPtr = FieldPtr->Next;
- }
- Size++;
-
- if (RequiredSize != NULL)
- *RequiredSize = Size;
-
- if (ReturnBuffer != NULL)
- {
- if (ReturnBufferSize < Size)
- return INF_STATUS_BUFFER_OVERFLOW;
-
- /* Copy multi-sz string */
- Ptr = ReturnBuffer;
- FieldPtr = CacheField;
- while (FieldPtr != NULL)
- {
- Size = (ULONG)strlenW(FieldPtr->Data) + 1;
-
- strcpyW(Ptr, FieldPtr->Data);
-
- Ptr = Ptr + Size;
- FieldPtr = FieldPtr->Next;
- }
- *Ptr = 0;
- }
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpGetStringField(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 INF_STATUS_INVALID_PARAMETER;
- }
-
- if (RequiredSize != NULL)
- *RequiredSize = 0;
-
- CacheLine = (PINFCACHELINE)Context->Line;
-
- if (FieldIndex > (ULONG)CacheLine->FieldCount)
- return INF_STATUS_INVALID_PARAMETER;
-
- if (FieldIndex == 0)
- {
- Ptr = CacheLine->Key;
- }
- else
- {
- CacheField = CacheLine->FirstField;
- for (Index = 1; Index < FieldIndex; Index++)
- CacheField = CacheField->Next;
-
- Ptr = CacheField->Data;
- }
-
-// Size = (ULONG)strlenW(Ptr) + 1;
- Size = InfpSubstituteString(Context->Inf,
- Ptr,
- NULL,
- 0);
-
- if (RequiredSize != NULL)
- *RequiredSize = Size + 1;
-
- if (ReturnBuffer != NULL)
- {
- if (ReturnBufferSize <= Size)
- return INF_STATUS_BUFFER_OVERFLOW;
-
-// strcpyW(ReturnBuffer, Ptr);
- InfpSubstituteString(Context->Inf,
- Ptr,
- ReturnBuffer,
- ReturnBufferSize);
- }
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpGetData(PINFCONTEXT Context,
- PWCHAR *Key,
- PWCHAR *Data)
-{
- PINFCACHELINE CacheKey;
-
- if (Context == NULL || Context->Line == NULL || Data == NULL)
- {
- DPRINT("Invalid parameter\n");
- return INF_STATUS_INVALID_PARAMETER;
- }
-
- CacheKey = (PINFCACHELINE)Context->Line;
- if (Key != NULL)
- *Key = CacheKey->Key;
-
- if (Data != NULL)
- {
- if (CacheKey->FirstField == NULL)
- {
- *Data = NULL;
- }
- else
- {
- *Data = CacheKey->FirstField->Data;
- }
- }
-
- return INF_STATUS_SUCCESS;
-}
-
-
-INFSTATUS
-InfpGetDataField(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 INF_STATUS_INVALID_PARAMETER;
- }
-
- CacheLine = (PINFCACHELINE)Context->Line;
-
- if (FieldIndex > (ULONG)CacheLine->FieldCount)
- return INF_STATUS_INVALID_PARAMETER;
-
- if (FieldIndex == 0)
- {
- *Data = CacheLine->Key;
- }
- else
- {
- CacheField = CacheLine->FirstField;
- for (Index = 1; Index < FieldIndex; Index++)
- CacheField = CacheField->Next;
-
- *Data = CacheField->Data;
- }
-
- return INF_STATUS_SUCCESS;
-}
-
-VOID
-InfpFreeContext(PINFCONTEXT Context)
-{
- FREE(Context);
-}
-
-/* EOF */
projects / reactos.git / blobdiff