Use inflib Deleted: trunk/reactos/subsys/system/usetup/infcache.c Deleted: trunk/reactos/subsys/system/usetup/infcache.h Modified: trunk/reactos/subsys/system/usetup/registry.c Modified: trunk/reactos/subsys/system/usetup/settings.c Modified: trunk/reactos/subsys/system/usetup/usetup.c Modified: trunk/reactos/subsys/system/usetup/usetup.h Modified: trunk/reactos/subsys/system/usetup/usetup.xml _____
Deleted: trunk/reactos/subsys/system/usetup/infcache.c --- trunk/reactos/subsys/system/usetup/infcache.c 2005-11-24 08:07:12 UTC (rev 19516) +++ trunk/reactos/subsys/system/usetup/infcache.c 2005-11-24 08:12:20 UTC (rev 19517) @@ -1,1625 +0,0 @@
-/* - * ReactOS kernel - * Copyright (C) 2002,2003 ReactOS Team - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ -/* $Id$ - * COPYRIGHT: See COPYING in the top level directory - * PROJECT: ReactOS text-mode setup - * FILE: subsys/system/usetup/infcache.c - * PURPOSE: INF file parser that caches contents of INF file in memory - * PROGRAMMER: Royce Mitchell III - * Eric Kohl - */ - -/* INCLUDES *****************************************************************/ - -#include <usetup.h> - -#define NDEBUG -#include <debug.h> - -#define CONTROL_Z '\x1a' -#define MAX_SECTION_NAME_LEN 255 -#define MAX_FIELD_LEN 511 /* larger fields get silently truncated */ -/* actual string limit is MAX_INF_STRING_LENGTH+1 (plus terminating null) under Windows */ -#define MAX_STRING_LEN (MAX_INF_STRING_LENGTH+1) - - -typedef struct _INFCACHEFIELD -{ - struct _INFCACHEFIELD *Next; - struct _INFCACHEFIELD *Prev; - - WCHAR Data[1]; -} INFCACHEFIELD, *PINFCACHEFIELD; - - -typedef struct _INFCACHELINE -{ - struct _INFCACHELINE *Next; - struct _INFCACHELINE *Prev; - - LONG FieldCount; - - PWCHAR Key; - - PINFCACHEFIELD FirstField; - PINFCACHEFIELD LastField; - -} INFCACHELINE, *PINFCACHELINE; - - -typedef struct _INFCACHESECTION -{ - struct _INFCACHESECTION *Next; - struct _INFCACHESECTION *Prev; - - PINFCACHELINE FirstLine; - PINFCACHELINE LastLine; - - LONG LineCount; - - WCHAR Name[1]; -} INFCACHESECTION, *PINFCACHESECTION; - - -typedef struct _INFCACHE -{ - PINFCACHESECTION FirstSection; - PINFCACHESECTION LastSection; - - PINFCACHESECTION StringsSection; -} INFCACHE, *PINFCACHE; - - -/* parser definitions */ - -enum parser_state -{ - LINE_START, /* at beginning of a line */ - SECTION_NAME, /* parsing a section name */ - KEY_NAME, /* parsing a key name */ - VALUE_NAME, /* parsing a value name */ - EOL_BACKSLASH, /* backslash at end of line */ - QUOTES, /* inside quotes */ - LEADING_SPACES, /* leading spaces */ - TRAILING_SPACES, /* trailing spaces */ - COMMENT, /* inside a comment */ - NB_PARSER_STATES -}; - -struct parser -{ - const CHAR *start; /* start position of item being parsed */ - const CHAR *end; /* end of buffer */ - PINFCACHE file; /* file being built */ - enum parser_state state; /* current parser state */ - enum parser_state stack[4]; /* state stack */ - int stack_pos; /* current pos in stack */ - - PINFCACHESECTION cur_section; /* pointer to the section being parsed*/ - PINFCACHELINE line; /* current line */ - unsigned int line_pos; /* current line position in file */ - unsigned int error; /* error code */ - unsigned int token_len; /* current token len */ - WCHAR token[MAX_FIELD_LEN+1]; /* current token */ -}; - -typedef const CHAR * (*parser_state_func)( struct parser *parser, const CHAR *pos ); - -/* parser state machine functions */ -static const CHAR *line_start_state( struct parser *parser, const CHAR *pos ); -static const CHAR *section_name_state( struct parser *parser, const CHAR *pos ); -static const CHAR *key_name_state( struct parser *parser, const CHAR *pos ); -static const CHAR *value_name_state( struct parser *parser, const CHAR *pos ); -static const CHAR *eol_backslash_state( struct parser *parser, const CHAR *pos ); -static const CHAR *quotes_state( struct parser *parser, const CHAR *pos ); -static const CHAR *leading_spaces_state( struct parser *parser, const CHAR *pos ); -static const CHAR *trailing_spaces_state( struct parser *parser, const CHAR *pos ); -static const CHAR *comment_state( struct parser *parser, const CHAR *pos ); - -static const parser_state_func parser_funcs[NB_PARSER_STATES] = -{ - line_start_state, /* LINE_START */ - section_name_state, /* SECTION_NAME */ - key_name_state, /* KEY_NAME */ - value_name_state, /* VALUE_NAME */ - eol_backslash_state, /* EOL_BACKSLASH */ - quotes_state, /* QUOTES */ - leading_spaces_state, /* LEADING_SPACES */ - trailing_spaces_state, /* TRAILING_SPACES */ - comment_state /* COMMENT */ -}; - - -/* PRIVATE FUNCTIONS ********************************************************/ - -static PINFCACHELINE -InfpCacheFreeLine (PINFCACHELINE Line) -{ - PINFCACHELINE Next; - PINFCACHEFIELD Field; - - if (Line == NULL) - { - return NULL; - } - - Next = Line->Next; - if (Line->Key != NULL) - { - RtlFreeHeap (ProcessHeap, - 0, - Line->Key); - Line->Key = NULL; - } - - /* Remove data fields */ - while (Line->FirstField != NULL) - { - Field = Line->FirstField->Next; - RtlFreeHeap (ProcessHeap, - 0, - Line->FirstField); - Line->FirstField = Field; - } - Line->LastField = NULL; - - RtlFreeHeap (ProcessHeap, - 0, - Line); - - return Next; -} - - -static PINFCACHESECTION -InfpCacheFreeSection (PINFCACHESECTION Section) -{ - PINFCACHESECTION Next; - - if (Section == NULL) - { - return NULL; - } - - /* Release all keys */ - Next = Section->Next; - while (Section->FirstLine != NULL) - { - Section->FirstLine = InfpCacheFreeLine (Section->FirstLine); - } - Section->LastLine = NULL; - - RtlFreeHeap (ProcessHeap, - 0, - Section); - - return Next; -} - - -static PINFCACHESECTION -InfpCacheFindSection (PINFCACHE Cache, - PWCHAR Name) -{ - PINFCACHESECTION Section = NULL; - - if (Cache == NULL || Name == NULL) - { - return NULL; - } - - /* iterate through list of sections */ - Section = Cache->FirstSection; - while (Section != NULL) - { - if (_wcsicmp (Section->Name, Name) == 0) - { - return Section; - } - - /* get the next section*/ - Section = Section->Next; - } - - return NULL; -} - - -static PINFCACHESECTION -InfpCacheAddSection (PINFCACHE Cache, - PWCHAR Name) -{ - PINFCACHESECTION Section = NULL; - ULONG Size; - - if (Cache == NULL || Name == NULL) - { - DPRINT("Invalid parameter\n"); - return NULL; - } - - /* Allocate and initialize the new section */ - Size = sizeof(INFCACHESECTION) + (wcslen (Name) * sizeof(WCHAR)); - Section = (PINFCACHESECTION)RtlAllocateHeap (ProcessHeap, - 0, - Size); - if (Section == NULL) - { - DPRINT("RtlAllocateHeap() failed\n"); - return NULL; - } - RtlZeroMemory (Section, - Size); - - /* Copy section name */ - wcscpy (Section->Name, Name); - - /* Append section */ - if (Cache->FirstSection == NULL) - { - Cache->FirstSection = Section; - Cache->LastSection = Section; - } - else - { - Cache->LastSection->Next = Section; - Section->Prev = Cache->LastSection; - Cache->LastSection = Section; - } - - return Section; -} - - -static PINFCACHELINE -InfpCacheAddLine (PINFCACHESECTION Section) -{ - PINFCACHELINE Line; - - if (Section == NULL) - { - DPRINT("Invalid parameter\n"); - return NULL; - } - - Line = (PINFCACHELINE)RtlAllocateHeap (ProcessHeap, - 0, - sizeof(INFCACHELINE)); - if (Line == NULL) - { - DPRINT("RtlAllocateHeap() failed\n"); - return NULL; - } - RtlZeroMemory(Line, - sizeof(INFCACHELINE)); - - /* Append line */ - if (Section->FirstLine == NULL) - { - Section->FirstLine = Line; - Section->LastLine = Line; - } - else - { - Section->LastLine->Next = Line; - Line->Prev = Section->LastLine; - Section->LastLine = Line; - } - Section->LineCount++; - - return Line; -} - - -static PVOID -InfpAddKeyToLine (PINFCACHELINE Line, - PWCHAR Key) -{ - if (Line == NULL) - return NULL; - - if (Line->Key != NULL) - return NULL; - - Line->Key = (PWCHAR)RtlAllocateHeap (ProcessHeap, - 0, - (wcslen (Key) + 1) * sizeof(WCHAR)); - if (Line->Key == NULL) - return NULL; - - wcscpy (Line->Key, Key); - - return (PVOID)Line->Key; -} - - -static PVOID -InfpAddFieldToLine (PINFCACHELINE Line, - PWCHAR Data) -{ - PINFCACHEFIELD Field; - ULONG Size; - - Size = sizeof(INFCACHEFIELD) + (wcslen(Data) * sizeof(WCHAR)); - Field = (PINFCACHEFIELD)RtlAllocateHeap (ProcessHeap, - 0, - Size); - if (Field == NULL) - { - return NULL; - } - RtlZeroMemory (Field, - Size); - wcscpy (Field->Data, Data); - - /* Append key */ - if (Line->FirstField == NULL) - { - Line->FirstField = Field; - Line->LastField = Field; - } - else - { - Line->LastField->Next = Field; - Field->Prev = Line->LastField; - Line->LastField = Field; - } - Line->FieldCount++; - - return (PVOID)Field; -} - - -static PINFCACHELINE -InfpCacheFindKeyLine (PINFCACHESECTION Section, - PWCHAR Key) -{ - PINFCACHELINE Line; - - Line = Section->FirstLine; - while (Line != NULL) - { - if (Line->Key != NULL && _wcsicmp (Line->Key, Key) == 0) - { - return Line; - } - - Line = Line->Next; - } - - return NULL; -} - - -/* push the current state on the parser stack */ -inline static void push_state( struct parser *parser, enum parser_state state ) -{ -// assert( parser->stack_pos < sizeof(parser->stack)/sizeof(parser->stack[0]) ); - parser->stack[parser->stack_pos++] = state; -} - - -/* pop the current state */ -inline static void pop_state( struct parser *parser ) -{ -// assert( parser->stack_pos ); - parser->state = parser->stack[--parser->stack_pos]; -} - - -/* set the parser state and return the previous one */ -inline static enum parser_state set_state( struct parser *parser, enum parser_state state ) -{ - enum parser_state ret = parser->state; - parser->state = state; - return ret; -} - - -/* check if the pointer points to an end of file */ -inline static int is_eof( struct parser *parser, const CHAR *ptr ) -{ - return (ptr >= parser->end || *ptr == CONTROL_Z); -} - - -/* check if the pointer points to an end of line */ -inline static int is_eol( struct parser *parser, const CHAR *ptr ) -{ - return (ptr >= parser->end || - *ptr == CONTROL_Z || - *ptr == '\n' || - (*ptr == '\r' && *(ptr + 1) == '\n')); -} - - -/* push data from current token start up to pos into the current token */ -static int push_token( struct parser *parser, const CHAR *pos ) -{ - unsigned int len = pos - parser->start; - const CHAR *src = parser->start; - WCHAR *dst = parser->token + parser->token_len; - - if (len > MAX_FIELD_LEN - parser->token_len) - len = MAX_FIELD_LEN - parser->token_len; - - parser->token_len += len; - for ( ; len > 0; len--, dst++, src++) - *dst = *src ? (WCHAR)*src : L' '; - *dst = 0; - parser->start = pos; - - return 0; -} - - - -/* 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 = STATUS_SECTION_NAME_TOO_LONG; - return NULL; - } - - Section = InfpCacheFindSection (parser->file, - parser->token); - if (Section == NULL) - { - /* need to create a new one */ - Section= InfpCacheAddSection (parser->file, - parser->token); - if (Section == NULL) - { - parser->error = STATUS_NOT_ENOUGH_MEMORY; - return NULL; - } - } - - parser->token_len = 0; - parser->cur_section = Section; - - return (PVOID)Section; -} - - -/* add a field containing the current token to the current line */ -static struct field *add_field_from_token( struct parser *parser, int is_key ) -{ - PVOID field; - - if (!parser->line) /* need to start a new line */ - { - if (parser->cur_section == NULL) /* got a line before the first section */ - { - parser->error = STATUS_WRONG_INF_STYLE; - return NULL; - } - - parser->line = InfpCacheAddLine (parser->cur_section); - if (parser->line == NULL) - goto error; - } - else - { -// assert(!is_key); - } - - if (is_key) - { - field = InfpAddKeyToLine(parser->line, parser->token); - } - else - { - field = InfpAddFieldToLine(parser->line, parser->token); - } - - if (field != NULL) - { - parser->token_len = 0; - return field; - } - -error: - parser->error = STATUS_NOT_ENOUGH_MEMORY; - return NULL; -} - - -/* close the current line and prepare for parsing a new one */ -static void close_current_line( struct parser *parser ) -{ - parser->line = NULL; -} - - - -/* handler for parser LINE_START state */ -static const CHAR *line_start_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p; - - for (p = pos; !is_eof( parser, p ); p++) - { - switch(*p) - { - case '\r': - continue; - - case '\n': - parser->line_pos++; - close_current_line( parser ); - break; - - case ';': - push_state( parser, LINE_START ); - set_state( parser, COMMENT ); - return p + 1; - - case '[': - parser->start = p + 1; - set_state( parser, SECTION_NAME ); - return p + 1; - - default: - if (!isspace(*p)) - { - parser->start = p; - set_state( parser, KEY_NAME ); - return p; - } - break; - } - } - close_current_line( parser ); - return NULL; -} - - -/* handler for parser SECTION_NAME state */ -static const CHAR *section_name_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p; - - for (p = pos; !is_eol( parser, p ); p++) - { - if (*p == ']') - { - push_token( parser, p ); - if (add_section_from_token( parser ) == NULL) - return NULL; - push_state( parser, LINE_START ); - set_state( parser, COMMENT ); /* ignore everything else on the line */ - return p + 1; - } - } - parser->error = STATUS_BAD_SECTION_NAME_LINE; /* unfinished section name */ - return NULL; -} - - -/* handler for parser KEY_NAME state */ -static const CHAR *key_name_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p, *token_end = parser->start; - - for (p = pos; !is_eol( parser, p ); p++) - { - if (*p == ',') break; - switch(*p) - { - - case '=': - push_token( parser, token_end ); - if (!add_field_from_token( parser, 1 )) return NULL; - parser->start = p + 1; - push_state( parser, VALUE_NAME ); - set_state( parser, LEADING_SPACES ); - return p + 1; - case ';': - push_token( parser, token_end ); - if (!add_field_from_token( parser, 0 )) return NULL; - push_state( parser, LINE_START ); - set_state( parser, COMMENT ); - return p + 1; - case '"': - push_token( parser, token_end ); - parser->start = p + 1; - push_state( parser, KEY_NAME ); - set_state( parser, QUOTES ); - return p + 1; - case '\': - push_token( parser, token_end ); - parser->start = p; - push_state( parser, KEY_NAME ); - set_state( parser, EOL_BACKSLASH ); - return p; - default: - if (!isspace(*p)) token_end = p + 1; - else - { - push_token( parser, p ); - push_state( parser, KEY_NAME ); - set_state( parser, TRAILING_SPACES ); - return p; - } - break; - } - } - push_token( parser, token_end ); - set_state( parser, VALUE_NAME ); - return p; -} - - -/* handler for parser VALUE_NAME state */ -static const CHAR *value_name_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p, *token_end = parser->start; - - for (p = pos; !is_eol( parser, p ); p++) - { - switch(*p) - { - case ';': - push_token( parser, token_end ); - if (!add_field_from_token( parser, 0 )) return NULL; - push_state( parser, LINE_START ); - set_state( parser, COMMENT ); - return p + 1; - case ',': - push_token( parser, token_end ); - if (!add_field_from_token( parser, 0 )) return NULL; - parser->start = p + 1; - push_state( parser, VALUE_NAME ); - set_state( parser, LEADING_SPACES ); - return p + 1; - case '"': - push_token( parser, token_end ); - parser->start = p + 1; - push_state( parser, VALUE_NAME ); - set_state( parser, QUOTES ); - return p + 1; - case '\': - push_token( parser, token_end ); - parser->start = p; - push_state( parser, VALUE_NAME ); - set_state( parser, EOL_BACKSLASH ); - return p; - default: - if (!isspace(*p)) token_end = p + 1; - else - { - push_token( parser, p ); - push_state( parser, VALUE_NAME ); - set_state( parser, TRAILING_SPACES ); - return p; - } - break; - } - } - push_token( parser, token_end ); - if (!add_field_from_token( parser, 0 )) return NULL; - set_state( parser, LINE_START ); - return p; -} - - -/* handler for parser EOL_BACKSLASH state */ -static const CHAR *eol_backslash_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p; - - for (p = pos; !is_eof( parser, p ); p++) - { - switch(*p) - { - case '\r': - continue; - - case '\n': - parser->line_pos++; - parser->start = p + 1; - set_state( parser, LEADING_SPACES ); - return p + 1; - - case '\': - continue; - - case ';': - push_state( parser, EOL_BACKSLASH ); - set_state( parser, COMMENT ); - return p + 1; - - default: - if (isspace(*p)) - continue; - push_token( parser, p ); - pop_state( parser ); - return p; - } - } - parser->start = p; - pop_state( parser ); - - return p; -} - - -/* handler for parser QUOTES state */ -static const CHAR *quotes_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p, *token_end = parser->start; - - for (p = pos; !is_eol( parser, p ); p++) - { - if (*p == '"') - { - if (p+1 < parser->end && p[1] == '"') /* double quotes */ - { - push_token( parser, p + 1 ); - parser->start = token_end = p + 2; - p++; - } - else /* end of quotes */ - { - push_token( parser, p ); - parser->start = p + 1; - pop_state( parser ); - return p + 1; - } - } - } - push_token( parser, p ); - pop_state( parser ); - return p; -} - - -/* handler for parser LEADING_SPACES state */ -static const CHAR *leading_spaces_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p; - - for (p = pos; !is_eol( parser, p ); p++) - { - if (*p == '\') - { - parser->start = p; - set_state( parser, EOL_BACKSLASH ); - return p; - } - if (!isspace(*p)) - break; - } - parser->start = p; - pop_state( parser ); - return p; -} - - -/* handler for parser TRAILING_SPACES state */ -static const CHAR *trailing_spaces_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p; - - for (p = pos; !is_eol( parser, p ); p++) - { - if (*p == '\') - { - set_state( parser, EOL_BACKSLASH ); - return p; - } - if (!isspace(*p)) - break; - } - pop_state( parser ); - return p; -} - - -/* handler for parser COMMENT state */ -static const CHAR *comment_state( struct parser *parser, const CHAR *pos ) -{ - const CHAR *p = pos; - - while (!is_eol( parser, p )) - p++; - pop_state( parser ); - return p; -} - - -/* parse a complete buffer */ -static NTSTATUS -InfpParseBuffer (PINFCACHE file, - const CHAR *buffer, - const CHAR *end, - PULONG error_line) -{ - struct parser parser; - const CHAR *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 = InfpCacheFindSection (file, - L"Strings"); - - return STATUS_SUCCESS; -} - - - -/* PUBLIC FUNCTIONS *********************************************************/ - -NTSTATUS -InfOpenBufferedFile(PHINF InfHandle, - PVOID Buffer, - ULONG BufferSize, - PULONG ErrorLine) -{ - NTSTATUS Status; - PINFCACHE Cache; - PCHAR FileBuffer; - - *InfHandle = NULL; - *ErrorLine = (ULONG)-1; - - /* Allocate file buffer */ - FileBuffer = RtlAllocateHeap(ProcessHeap, - 0, - BufferSize + 1); - if (FileBuffer == NULL) - { - DPRINT1("RtlAllocateHeap() failed\n"); - return(STATUS_INSUFFICIENT_RESOURCES); - } - - RtlCopyMemory(FileBuffer, Buffer, BufferSize); - - /* Append string terminator */ - FileBuffer[BufferSize] = 0; - - /* Allocate infcache header */ - Cache = (PINFCACHE)RtlAllocateHeap(ProcessHeap, - 0, - sizeof(INFCACHE)); - if (Cache == NULL) - { - DPRINT("RtlAllocateHeap() failed\n"); - RtlFreeHeap(ProcessHeap, - 0, - FileBuffer); - return(STATUS_INSUFFICIENT_RESOURCES); - } - - /* Initialize inicache header */ - RtlZeroMemory(Cache, - sizeof(INFCACHE)); - - /* Parse the inf buffer */ - Status = InfpParseBuffer (Cache, - FileBuffer, - FileBuffer + BufferSize, - ErrorLine); - if (!NT_SUCCESS(Status)) - { - RtlFreeHeap(ProcessHeap, - 0, - Cache); - Cache = NULL; - } - - /* Free file buffer */ - RtlFreeHeap(ProcessHeap, - 0, - FileBuffer); - - *InfHandle = (HINF)Cache; - - return(Status); -} - - -NTSTATUS -InfOpenFile(PHINF InfHandle, - PUNICODE_STRING FileName, - PULONG ErrorLine) -{ - OBJECT_ATTRIBUTES ObjectAttributes; - FILE_STANDARD_INFORMATION FileInfo; - IO_STATUS_BLOCK IoStatusBlock; - HANDLE FileHandle; - NTSTATUS Status; - PCHAR FileBuffer; - ULONG FileLength; - LARGE_INTEGER FileOffset; - PINFCACHE Cache; - - - *InfHandle = NULL; - *ErrorLine = (ULONG)-1; - - /* Open the inf file */ - InitializeObjectAttributes(&ObjectAttributes, - FileName, - 0, - NULL, - NULL); - - Status = NtOpenFile(&FileHandle, - GENERIC_READ | SYNCHRONIZE, - &ObjectAttributes, - &IoStatusBlock, - FILE_SHARE_READ, - FILE_SYNCHRONOUS_IO_NONALERT | FILE_NON_DIRECTORY_FILE); 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