/* add a section with the current token as name */
static PVOID add_section_from_token( struct parser *parser )
{
PINFCACHESECTION Section;
if (parser->token_len > MAX_SECTION_NAME_LEN)
{
parser->error = INF_STATUS_SECTION_NAME_TOO_LONG;
return NULL;
}
Section = InfpFindSection(parser->file,
parser->token);
if (Section == NULL)
{
/* need to create a new one */
Section= InfpAddSection(parser->file,
parser->token);
if (Section == NULL)
{
parser->error = INF_STATUS_NOT_ENOUGH_MEMORY;
return NULL;
}
}
parser->token_len = 0;
parser->cur_section = Section;
return (PVOID)Section;
}
INFSTATUS
InfpFindOrAddSection(PINFCACHE Cache,
PCWSTR Section,
PINFCONTEXT *Context)
{
DPRINT("InfpFindOrAddSection section %S\n", Section);
*Context = MALLOC(sizeof(INFCONTEXT));
if (NULL == *Context)
{
DPRINT1("MALLOC() failed\n");
return INF_STATUS_NO_MEMORY;
}
(*Context)->Inf = Cache;
(*Context)->Section = InfpFindSection(Cache, Section);
(*Context)->Line = NULL;
if (NULL == (*Context)->Section)
{
DPRINT("Section not found, creating it\n");
(*Context)->Section = InfpAddSection(Cache, Section);
if (NULL == (*Context)->Section)
{
DPRINT("Failed to create section\n");
FREE(*Context);
return INF_STATUS_NO_MEMORY;
}
}
return INF_STATUS_SUCCESS;
}
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;
}
/* parse a complete buffer */
INFSTATUS
InfpParseBuffer (PINFCACHE file,
const WCHAR *buffer,
const WCHAR *end,
PULONG error_line)
{
struct parser parser;
const WCHAR *pos = buffer;
parser.start = buffer;
parser.end = end;
parser.file = file;
parser.line = NULL;
parser.state = LINE_START;
parser.stack_pos = 0;
parser.cur_section = NULL;
parser.line_pos = 1;
parser.error = 0;
parser.token_len = 0;
/* parser main loop */
while (pos)
pos = (parser_funcs[parser.state])(&parser, pos);
if (parser.error)
{
if (error_line)
*error_line = parser.line_pos;
return parser.error;
}
/* find the [strings] section */
file->StringsSection = InfpFindSection(file,
L"Strings");
return INF_STATUS_SUCCESS;
}
