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567 lines
15 KiB
C
567 lines
15 KiB
C
/*
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* Binary encode X templates from text format.
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*
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* Copyright 2011 Dylan Smith
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <signal.h>
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#include <stdio.h>
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#include <stdlib.h>
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#ifdef HAVE_GETOPT_H
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# include <getopt.h>
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#endif
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#ifdef HAVE_UNISTD_H
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# include <unistd.h>
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#endif
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#include "windef.h"
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#include "guiddef.h"
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#define ARRAY_SIZE(array) (sizeof(array)/sizeof(array[0]))
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#define TOKEN_NAME 1
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#define TOKEN_STRING 2
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#define TOKEN_INTEGER 3
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#define TOKEN_GUID 5
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#define TOKEN_INTEGER_LIST 6
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#define TOKEN_FLOAT_LIST 7
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#define TOKEN_OBRACE 10
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#define TOKEN_CBRACE 11
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#define TOKEN_OPAREN 12
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#define TOKEN_CPAREN 13
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#define TOKEN_OBRACKET 14
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#define TOKEN_CBRACKET 15
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#define TOKEN_OANGLE 16
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#define TOKEN_CANGLE 17
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#define TOKEN_DOT 18
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#define TOKEN_COMMA 19
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#define TOKEN_SEMICOLON 20
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#define TOKEN_TEMPLATE 31
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#define TOKEN_WORD 40
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#define TOKEN_DWORD 41
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#define TOKEN_FLOAT 42
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#define TOKEN_DOUBLE 43
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#define TOKEN_CHAR 44
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#define TOKEN_UCHAR 45
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#define TOKEN_SWORD 46
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#define TOKEN_SDWORD 47
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#define TOKEN_VOID 48
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#define TOKEN_LPSTR 49
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#define TOKEN_UNICODE 50
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#define TOKEN_CSTRING 51
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#define TOKEN_ARRAY 52
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struct parser
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{
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FILE *infile;
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FILE *outfile;
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int line_no;
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UINT bytes_output;
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BOOL(*write_bytes)(struct parser *parser, const BYTE *data, DWORD size);
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BOOL error;
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};
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struct keyword
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{
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const char *word;
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WORD token;
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};
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static const struct keyword reserved_words[] = {
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{"ARRAY", TOKEN_ARRAY},
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{"CHAR", TOKEN_CHAR},
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{"CSTRING", TOKEN_CSTRING},
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{"DOUBLE", TOKEN_DOUBLE},
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{"DWORD", TOKEN_DWORD},
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{"FLOAT", TOKEN_FLOAT},
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{"SDWORD", TOKEN_SDWORD},
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{"STRING", TOKEN_LPSTR},
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{"SWORD", TOKEN_SWORD},
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{"TEMPLATE", TOKEN_TEMPLATE},
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{"UCHAR", TOKEN_UCHAR},
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{"UNICODE", TOKEN_UNICODE},
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{"VOID", TOKEN_VOID},
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{"WORD", TOKEN_WORD}
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};
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static char *program_name;
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static inline BOOL read_byte(struct parser *parser, char *byte)
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{
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int c = fgetc(parser->infile);
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*byte = c;
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return c != EOF;
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}
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static inline BOOL unread_byte(struct parser *parser, char last_byte)
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{
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return ungetc(last_byte, parser->infile) != EOF;
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}
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static inline BOOL read_bytes(struct parser *parser, void *data, DWORD size)
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{
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return fread(data, size, 1, parser->infile) > 0;
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}
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static BOOL write_c_hex_bytes(struct parser *parser, const BYTE *data, DWORD size)
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{
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while (size--)
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{
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if (parser->bytes_output % 12 == 0)
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fprintf(parser->outfile, "\n ");
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fprintf(parser->outfile, " 0x%02x,", *data++);
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parser->bytes_output++;
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}
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return TRUE;
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}
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static BOOL write_raw_bytes(struct parser *parser, const BYTE *data, DWORD size)
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{
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return fwrite(data, size, 1, parser->outfile) > 0;
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}
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static inline BOOL write_bytes(struct parser *parser, const void *data, DWORD size)
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{
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return parser->write_bytes(parser, data, size);
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}
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static inline BOOL write_byte(struct parser *parser, BYTE value)
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{
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return write_bytes(parser, &value, sizeof(value));
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}
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static inline BOOL write_word(struct parser *parser, WORD value)
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{
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return write_bytes(parser, &value, sizeof(value));
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}
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static inline BOOL write_dword(struct parser *parser, DWORD value)
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{
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return write_bytes(parser, &value, sizeof(value));
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}
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static int compare_names(const void *a, const void *b)
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{
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return strcasecmp(*(const char **)a, *(const char **)b);
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}
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static BOOL parse_keyword(struct parser *parser, const char *name)
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{
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const struct keyword *keyword;
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keyword = bsearch(&name, reserved_words, ARRAY_SIZE(reserved_words),
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sizeof(reserved_words[0]), compare_names);
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if (!keyword)
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return FALSE;
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return write_word(parser, keyword->token);
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}
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static BOOL parse_guid(struct parser *parser)
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{
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char buf[39];
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GUID guid;
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DWORD tab[10];
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BOOL ret;
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static const char *guidfmt = "<%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X>";
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buf[0] = '<';
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if (!read_bytes(parser, buf + 1, 37)) {
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fprintf(stderr, "%s: Truncated GUID (line %d)\n",
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program_name, parser->line_no);
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parser->error = TRUE;
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return FALSE;
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}
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buf[38] = 0;
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ret = sscanf(buf, guidfmt, &guid.Data1, tab, tab+1, tab+2, tab+3, tab+4, tab+5, tab+6, tab+7, tab+8, tab+9);
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if (ret != 11) {
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fprintf(stderr, "%s: Invalid GUID '%s' (line %d)\n",
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program_name, buf, parser->line_no);
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parser->error = TRUE;
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return FALSE;
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}
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guid.Data2 = tab[0];
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guid.Data3 = tab[1];
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guid.Data4[0] = tab[2];
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guid.Data4[1] = tab[3];
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guid.Data4[2] = tab[4];
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guid.Data4[3] = tab[5];
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guid.Data4[4] = tab[6];
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guid.Data4[5] = tab[7];
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guid.Data4[6] = tab[8];
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guid.Data4[7] = tab[9];
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return write_word(parser, TOKEN_GUID) &&
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write_bytes(parser, &guid, sizeof(guid));
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}
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static BOOL parse_name(struct parser *parser)
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{
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char c;
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int len = 0;
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char name[512];
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while (read_byte(parser, &c) && len < sizeof(name) &&
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(isalnum(c) || c == '_' || c == '-'))
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{
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if (len + 1 < sizeof(name))
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name[len++] = c;
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}
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unread_byte(parser, c);
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name[len] = 0;
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if (parse_keyword(parser, name)) {
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return TRUE;
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} else {
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return write_word(parser, TOKEN_NAME) &&
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write_dword(parser, len) &&
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write_bytes(parser, name, len);
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}
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}
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static BOOL parse_number(struct parser *parser)
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{
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int len = 0;
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char c;
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char buffer[512];
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BOOL dot = FALSE;
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BOOL ret;
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while (read_byte(parser, &c) &&
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((!len && c == '-') || (!dot && c == '.') || isdigit(c)))
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{
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if (len + 1 < sizeof(buffer))
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buffer[len++] = c;
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if (c == '.')
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dot = TRUE;
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}
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unread_byte(parser, c);
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buffer[len] = 0;
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if (dot) {
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float value;
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ret = sscanf(buffer, "%f", &value);
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if (!ret) {
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fprintf(stderr, "%s: Invalid float token (line %d).\n",
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program_name, parser->line_no);
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parser->error = TRUE;
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} else {
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ret = write_word(parser, TOKEN_FLOAT) &&
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write_bytes(parser, &value, sizeof(value));
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}
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} else {
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int value;
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ret = sscanf(buffer, "%d", &value);
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if (!ret) {
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fprintf(stderr, "%s: Invalid integer token (line %d).\n",
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program_name, parser->line_no);
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parser->error = TRUE;
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} else {
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ret = write_word(parser, TOKEN_INTEGER) &&
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write_dword(parser, value);
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}
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}
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return ret;
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}
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static BOOL parse_token(struct parser *parser)
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{
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char c;
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if (!read_byte(parser, &c))
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return FALSE;
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switch (c)
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{
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case '\n':
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parser->line_no++;
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/* fall through */
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case '\r':
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case ' ':
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case '\t':
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return TRUE;
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case '{': return write_word(parser, TOKEN_OBRACE);
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case '}': return write_word(parser, TOKEN_CBRACE);
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case '[': return write_word(parser, TOKEN_OBRACKET);
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case ']': return write_word(parser, TOKEN_CBRACKET);
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case '(': return write_word(parser, TOKEN_OPAREN);
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case ')': return write_word(parser, TOKEN_CPAREN);
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case ',': return write_word(parser, TOKEN_COMMA);
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case ';': return write_word(parser, TOKEN_SEMICOLON);
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case '.': return write_word(parser, TOKEN_DOT);
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case '/':
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if (!read_byte(parser, &c) || c != '/') {
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fprintf(stderr, "%s: Invalid single '/' comment token (line %d).\n",
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program_name, parser->line_no);
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parser->error = TRUE;
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return FALSE;
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}
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/* fall through */
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case '#':
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while (read_byte(parser, &c) && c != '\n');
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return c == '\n';
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case '<':
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return parse_guid(parser);
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case '"':
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{
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int len = 0;
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char buffer[512];
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/* FIXME: Handle '\' (e.g. "valid\"string") */
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while (read_byte(parser, &c) && c != '"') {
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if (len + 1 < sizeof(buffer))
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buffer[len++] = c;
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}
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if (c == EOF) {
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fprintf(stderr, "%s: Unterminated string (line %d).\n",
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program_name, parser->line_no);
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parser->error = TRUE;
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return FALSE;
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}
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return write_word(parser, TOKEN_STRING) &&
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write_dword(parser, len) &&
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write_bytes(parser, buffer, len);
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}
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default:
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unread_byte(parser, c);
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if (isdigit(c) || c == '-')
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return parse_number(parser);
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if (isalpha(c) || c == '_')
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return parse_name(parser);
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fprintf(stderr, "%s: Invalid character (%d) to start token (line %d).\n",
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program_name, c, parser->line_no);
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parser->error = TRUE;
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return FALSE;
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}
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return TRUE;
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}
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static const char *output_file;
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static void cleanup_files(void)
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{
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if (output_file) unlink(output_file);
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}
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static void exit_on_signal( int sig )
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{
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exit(1); /* this will call the atexit functions */
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}
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static void usage(void)
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{
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fprintf(stderr, "Usage: %s [OPTIONS] INFILE\n"
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"Options:\n"
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" -i NAME Output to a c header file, data in variable NAME\n"
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" -s NAME In a c header file, define NAME to be the data size\n"
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" -o FILE Write output to FILE\n",
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program_name);
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}
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static char *option_inc_var_name = NULL;
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static char *option_inc_size_name = NULL;
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static const char *option_outfile_name = "-";
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static char **parse_options(int argc, char **argv)
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{
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int optc;
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while ((optc = getopt(argc, argv, "hi:o:s:")) != -1)
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{
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switch (optc)
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{
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case 'h':
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usage();
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exit(0);
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case 'i':
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option_inc_var_name = strdup(optarg);
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break;
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case 'o':
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option_outfile_name = strdup(optarg);
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break;
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case 's':
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option_inc_size_name = strdup(optarg);
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break;
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}
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}
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return &argv[optind];
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}
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int main(int argc, char **argv)
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{
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const char *infile_name;
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char header[16];
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struct parser parser;
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char **args;
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char *header_name = NULL;
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program_name = argv[0];
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args = parse_options(argc, argv);
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infile_name = *args++;
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if (!infile_name || *args)
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{
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usage();
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return 1;
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}
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parser.infile = stdin;
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parser.outfile = NULL;
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parser.error = FALSE;
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if (!strcmp(infile_name, "-")) {
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infile_name = "stdin";
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} else if (!(parser.infile = fopen(infile_name, "rb"))) {
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perror(infile_name);
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goto error;
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}
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if (!read_bytes(&parser, header, sizeof(header))) {
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fprintf(stderr, "%s: Failed to read file header\n", program_name);
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goto error;
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}
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if (strncmp(header, "xof ", 4))
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{
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fprintf(stderr, "%s: Invalid magic value '%.4s'\n", program_name, header);
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goto error;
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}
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if (strncmp(header + 4, "0302", 4) && strncmp(header + 4, "0303", 4))
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{
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fprintf(stderr, "%s: Unsupported version '%.4s'\n", program_name, header + 4);
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goto error;
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}
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if (strncmp(header + 8, "txt ", 4))
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{
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fprintf(stderr, "%s: Only support conversion from text encoded X files.",
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program_name);
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goto error;
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}
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if (strncmp(header + 12, "0032", 4) && strncmp(header + 12, "0064", 4))
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{
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fprintf(stderr, "%s: Only 32-bit or 64-bit float format supported, not '%.4s'.\n",
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program_name, header + 12);
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goto error;
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}
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if (!strcmp(option_outfile_name, "-")) {
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option_outfile_name = "stdout";
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parser.outfile = stdout;
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} else {
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output_file = option_outfile_name;
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atexit(cleanup_files);
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signal(SIGTERM, exit_on_signal);
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signal(SIGINT, exit_on_signal);
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#ifdef SIGHUP
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signal(SIGHUP, exit_on_signal);
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#endif
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if (!(parser.outfile = fopen(output_file, "wb"))) {
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perror(option_outfile_name);
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goto error;
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}
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}
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if (option_inc_var_name)
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{
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char *str_ptr;
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header_name = strrchr(option_outfile_name, '/');
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if (header_name)
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header_name = strdup(header_name + 1);
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else
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header_name = strdup(option_outfile_name);
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if (!header_name) {
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fprintf(stderr, "Out of memory\n");
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goto error;
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}
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str_ptr = header_name;
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while (*str_ptr) {
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if (*str_ptr == '.')
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*str_ptr = '_';
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else
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*str_ptr = toupper(*str_ptr);
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str_ptr++;
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}
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fprintf(parser.outfile,
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"/* File generated automatically from %s; do not edit */\n"
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"\n"
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"#ifndef __WINE_%s\n"
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"#define __WINE_%s\n"
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"\n"
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"unsigned char %s[] = {",
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infile_name, header_name, header_name, option_inc_var_name);
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if (ferror(parser.outfile))
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goto error;
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parser.write_bytes = &write_c_hex_bytes;
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} else {
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parser.write_bytes = &write_raw_bytes;
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}
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parser.bytes_output = 0;
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if (!write_bytes(&parser, "xof 0302bin 0064", 16))
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goto error;
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parser.line_no = 1;
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while (parse_token(&parser));
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if (parser.error || ferror(parser.outfile) || ferror(parser.infile))
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goto error;
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if (option_inc_var_name)
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{
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fprintf(parser.outfile, "\n};\n\n");
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if (option_inc_size_name)
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fprintf(parser.outfile, "#define %s %u\n\n", option_inc_size_name, parser.bytes_output);
|
|
fprintf(parser.outfile, "#endif /* __WINE_%s */\n", header_name);
|
|
if (ferror(parser.outfile))
|
|
goto error;
|
|
}
|
|
|
|
fclose(parser.infile);
|
|
fclose(parser.outfile);
|
|
output_file = NULL;
|
|
|
|
return 0;
|
|
error:
|
|
if (parser.infile) {
|
|
if (ferror(parser.infile))
|
|
perror(infile_name);
|
|
fclose(parser.infile);
|
|
}
|
|
if (parser.outfile) {
|
|
if (ferror(parser.outfile))
|
|
perror(option_outfile_name);
|
|
fclose(parser.outfile);
|
|
}
|
|
return 1;
|
|
}
|