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wine/tools/make_xftmpl.c
Alexandre Julliard ae8797c8e3 tools: Add a common helper to setup signal handlers.
2023-01-25 11:47:51 +01:00

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/*
* Binary encode X templates from text format.
*
* Copyright 2011 Dylan Smith
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include "windef.h"
#include "guiddef.h"
#include "tools.h"
#define TOKEN_NAME 1
#define TOKEN_STRING 2
#define TOKEN_INTEGER 3
#define TOKEN_GUID 5
#define TOKEN_INTEGER_LIST 6
#define TOKEN_FLOAT_LIST 7
#define TOKEN_OBRACE 10
#define TOKEN_CBRACE 11
#define TOKEN_OPAREN 12
#define TOKEN_CPAREN 13
#define TOKEN_OBRACKET 14
#define TOKEN_CBRACKET 15
#define TOKEN_OANGLE 16
#define TOKEN_CANGLE 17
#define TOKEN_DOT 18
#define TOKEN_COMMA 19
#define TOKEN_SEMICOLON 20
#define TOKEN_TEMPLATE 31
#define TOKEN_WORD 40
#define TOKEN_DWORD 41
#define TOKEN_FLOAT 42
#define TOKEN_DOUBLE 43
#define TOKEN_CHAR 44
#define TOKEN_UCHAR 45
#define TOKEN_SWORD 46
#define TOKEN_SDWORD 47
#define TOKEN_VOID 48
#define TOKEN_LPSTR 49
#define TOKEN_UNICODE 50
#define TOKEN_CSTRING 51
#define TOKEN_ARRAY 52
struct keyword
{
const char *word;
WORD token;
};
static const struct keyword reserved_words[] = {
{"ARRAY", TOKEN_ARRAY},
{"CHAR", TOKEN_CHAR},
{"CSTRING", TOKEN_CSTRING},
{"DOUBLE", TOKEN_DOUBLE},
{"DWORD", TOKEN_DWORD},
{"FLOAT", TOKEN_FLOAT},
{"SDWORD", TOKEN_SDWORD},
{"STRING", TOKEN_LPSTR},
{"SWORD", TOKEN_SWORD},
{"TEMPLATE", TOKEN_TEMPLATE},
{"UCHAR", TOKEN_UCHAR},
{"UNICODE", TOKEN_UNICODE},
{"VOID", TOKEN_VOID},
{"WORD", TOKEN_WORD}
};
static BOOL option_header;
static char *option_inc_var_name = NULL;
static char *option_inc_size_name = NULL;
static const char *option_outfile_name = "-";
static char *program_name;
static FILE *infile;
static int line_no;
static const char *infile_name;
static FILE *outfile;
unsigned char *output_buffer = NULL;
size_t output_buffer_pos = 0;
size_t output_buffer_size = 0;
static void fatal_error( const char *msg, ... ) __attribute__ ((__format__ (__printf__, 1, 2)));
static void fatal_error( const char *msg, ... )
{
va_list valist;
va_start( valist, msg );
if (infile_name)
{
fprintf( stderr, "%s:%d:", infile_name, line_no );
fprintf( stderr, " error: " );
}
else fprintf( stderr, "%s: error: ", program_name );
vfprintf( stderr, msg, valist );
va_end( valist );
exit( 1 );
}
static inline BOOL read_byte( char *byte )
{
int c = fgetc(infile);
*byte = c;
if (c == '\n') line_no++;
return c != EOF;
}
static inline BOOL unread_byte( char last_byte )
{
if (last_byte == '\n') line_no--;
return ungetc(last_byte, infile) != EOF;
}
static inline BOOL read_bytes( void *data, DWORD size )
{
return fread(data, size, 1, infile) > 0;
}
static BOOL write_c_hex_bytes(void)
{
UINT i;
for (i = 0; i < output_buffer_pos; i++)
{
if (i % 12 == 0)
fprintf(outfile, "\n ");
fprintf(outfile, " 0x%02x,", output_buffer[i]);
}
return TRUE;
}
static BOOL write_raw_bytes(void)
{
return fwrite(output_buffer, output_buffer_pos, 1, outfile) > 0;
}
static inline void put_float(float value)
{
DWORD val;
memcpy( &val, &value, sizeof(value) );
return put_dword( val );
}
static inline void put_guid(const GUID *guid)
{
put_dword( guid->Data1 );
put_word( guid->Data2 );
put_word( guid->Data3 );
put_data( guid->Data4, sizeof(guid->Data4) );
}
static int compare_names(const void *a, const void *b)
{
return strcasecmp(*(const char **)a, *(const char **)b);
}
static BOOL parse_keyword( const char *name )
{
const struct keyword *keyword;
keyword = bsearch(&name, reserved_words, ARRAY_SIZE(reserved_words),
sizeof(reserved_words[0]), compare_names);
if (!keyword)
return FALSE;
put_word(keyword->token);
return TRUE;
}
static void parse_guid(void)
{
char buf[39];
GUID guid;
DWORD tab[10];
BOOL ret;
static const char *guidfmt = "<%08X-%04X-%04X-%02X%02X-%02X%02X%02X%02X%02X%02X>";
buf[0] = '<';
if (!read_bytes(buf + 1, 37)) fatal_error( "truncated GUID\n" );
buf[38] = 0;
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);
if (ret != 11) fatal_error( "invalid GUID '%s'\n", buf );
guid.Data2 = tab[0];
guid.Data3 = tab[1];
guid.Data4[0] = tab[2];
guid.Data4[1] = tab[3];
guid.Data4[2] = tab[4];
guid.Data4[3] = tab[5];
guid.Data4[4] = tab[6];
guid.Data4[5] = tab[7];
guid.Data4[6] = tab[8];
guid.Data4[7] = tab[9];
put_word(TOKEN_GUID);
put_guid(&guid);
}
static void parse_name(void)
{
char c;
int len = 0;
char name[512];
while (read_byte(&c) && len < sizeof(name) &&
(isalnum(c) || c == '_' || c == '-'))
{
if (len + 1 < sizeof(name))
name[len++] = c;
}
unread_byte(c);
name[len] = 0;
if (!parse_keyword(name))
{
put_word(TOKEN_NAME);
put_dword(len);
put_data(name, len);
}
}
static void parse_number(void)
{
int len = 0;
char c;
char buffer[512];
BOOL dot = FALSE;
BOOL ret;
while (read_byte(&c) &&
((!len && c == '-') || (!dot && c == '.') || isdigit(c)))
{
if (len + 1 < sizeof(buffer))
buffer[len++] = c;
if (c == '.')
dot = TRUE;
}
unread_byte(c);
buffer[len] = 0;
if (dot) {
float value;
ret = sscanf(buffer, "%f", &value);
if (!ret) fatal_error( "invalid float token\n" );
put_word(TOKEN_FLOAT);
put_float(value);
} else {
int value;
ret = sscanf(buffer, "%d", &value);
if (!ret) fatal_error( "invalid integer token\n" );
put_word(TOKEN_INTEGER);
put_dword(value);
}
}
static BOOL parse_token(void)
{
char c;
int len;
char *tok, buffer[512];
if (!read_byte(&c))
return FALSE;
switch (c)
{
case '\n':
case '\r':
case ' ':
case '\t':
break;
case '{': put_word(TOKEN_OBRACE); break;
case '}': put_word(TOKEN_CBRACE); break;
case '[': put_word(TOKEN_OBRACKET); break;
case ']': put_word(TOKEN_CBRACKET); break;
case '(': put_word(TOKEN_OPAREN); break;
case ')': put_word(TOKEN_CPAREN); break;
case ',': put_word(TOKEN_COMMA); break;
case ';': put_word(TOKEN_SEMICOLON); break;
case '.': put_word(TOKEN_DOT); break;
case '/':
if (!read_byte(&c) || c != '/')
fatal_error( "invalid single '/' comment token\n" );
while (read_byte(&c) && c != '\n');
return c == '\n';
case '#':
len = 0;
while (read_byte(&c) && c != '\n')
if (len + 1 < sizeof(buffer)) buffer[len++] = c;
if (c != '\n') fatal_error( "line too long\n" );
buffer[len] = 0;
tok = strtok( buffer, " \t" );
if (!tok || strcmp( tok, "pragma" )) break;
tok = strtok( NULL, " \t" );
if (!tok || strcmp( tok, "xftmpl" )) break;
tok = strtok( NULL, " \t" );
if (!tok) break;
if (!strcmp( tok, "name" ))
{
tok = strtok( NULL, " \t" );
if (tok && !option_inc_var_name) option_inc_var_name = xstrdup( tok );
}
else if (!strcmp( tok, "size" ))
{
tok = strtok( NULL, " \t" );
if (tok && !option_inc_size_name) option_inc_size_name = xstrdup( tok );
}
break;
case '<':
parse_guid();
break;
case '"':
len = 0;
/* FIXME: Handle '\' (e.g. "valid\"string") */
while (read_byte(&c) && c != '"') {
if (len + 1 < sizeof(buffer))
buffer[len++] = c;
}
if (c != '"') fatal_error( "unterminated string\n" );
put_word(TOKEN_STRING);
put_dword(len);
put_data(buffer, len);
break;
default:
unread_byte(c);
if (isdigit(c) || c == '-') parse_number();
else if (isalpha(c) || c == '_') parse_name();
else fatal_error( "invalid character '%c' to start token\n", c );
}
return TRUE;
}
static const char *output_file;
static void cleanup_files(void)
{
if (output_file) unlink(output_file);
}
static void exit_on_signal( int sig )
{
exit(1); /* this will call the atexit functions */
}
static void usage(void)
{
fprintf(stderr, "Usage: %s [OPTIONS] INFILE\n"
"Options:\n"
" -H Output to a c header file instead of a binary file\n"
" -i NAME Output to a c header file, data in variable NAME\n"
" -s NAME In a c header file, define NAME to be the data size\n"
" -o FILE Write output to FILE\n",
program_name);
}
static void option_callback( int optc, char *optarg )
{
switch (optc)
{
case 'h':
usage();
exit(0);
case 'H':
option_header = TRUE;
break;
case 'i':
option_header = TRUE;
option_inc_var_name = xstrdup(optarg);
break;
case 'o':
option_outfile_name = xstrdup(optarg);
break;
case 's':
option_inc_size_name = xstrdup(optarg);
break;
case '?':
fprintf( stderr, "%s: %s\n", program_name, optarg );
exit(1);
}
}
int main(int argc, char **argv)
{
char header[16];
struct strarray args;
char *header_name = NULL;
program_name = argv[0];
args = parse_options(argc, argv, "hHi:o:s:", NULL, 0, option_callback );
if (!args.count)
{
usage();
return 1;
}
infile_name = args.str[0];
infile = stdin;
outfile = NULL;
if (!strcmp(infile_name, "-")) {
infile_name = "stdin";
} else if (!(infile = fopen(infile_name, "rb"))) {
perror(infile_name);
goto error;
}
if (!read_bytes(header, sizeof(header))) {
fprintf(stderr, "%s: Failed to read file header\n", program_name);
goto error;
}
if (strncmp(header, "xof ", 4))
{
fprintf(stderr, "%s: Invalid magic value '%.4s'\n", program_name, header);
goto error;
}
if (strncmp(header + 4, "0302", 4) && strncmp(header + 4, "0303", 4))
{
fprintf(stderr, "%s: Unsupported version '%.4s'\n", program_name, header + 4);
goto error;
}
if (strncmp(header + 8, "txt ", 4))
{
fprintf(stderr, "%s: Only support conversion from text encoded X files.",
program_name);
goto error;
}
if (strncmp(header + 12, "0032", 4) && strncmp(header + 12, "0064", 4))
{
fprintf(stderr, "%s: Only 32-bit or 64-bit float format supported, not '%.4s'.\n",
program_name, header + 12);
goto error;
}
init_output_buffer();
put_data("xof 0302bin 0064", 16);
line_no = 1;
while (parse_token());
if (ferror(infile))
{
perror(infile_name);
return 1;
}
fclose(infile);
if (!strcmp(option_outfile_name, "-")) {
option_outfile_name = "stdout";
outfile = stdout;
} else {
output_file = option_outfile_name;
atexit(cleanup_files);
init_signals( exit_on_signal );
if (!(outfile = fopen(output_file, "wb"))) {
perror(option_outfile_name);
goto error;
}
}
if (ferror(outfile))
goto error;
if (option_header)
{
char *str_ptr;
if (!option_inc_var_name)
fatal_error( "variable name must be specified with -i or #pragma name\n" );
header_name = get_basename( option_outfile_name );
str_ptr = header_name;
while (*str_ptr) {
if (*str_ptr == '.')
*str_ptr = '_';
else
*str_ptr = toupper(*str_ptr);
str_ptr++;
}
fprintf(outfile,
"/* File generated automatically from %s; do not edit */\n"
"\n"
"#ifndef __WINE_%s\n"
"#define __WINE_%s\n"
"\n"
"unsigned char %s[] = {",
infile_name, header_name, header_name, option_inc_var_name);
write_c_hex_bytes();
fprintf(outfile, "\n};\n\n");
if (option_inc_size_name)
fprintf(outfile, "#define %s %u\n\n", option_inc_size_name, (unsigned int)output_buffer_pos);
fprintf(outfile, "#endif /* __WINE_%s */\n", header_name);
if (ferror(outfile))
goto error;
}
else write_raw_bytes();
fclose(outfile);
output_file = NULL;
return 0;
error:
if (outfile) {
if (ferror(outfile))
perror(option_outfile_name);
fclose(outfile);
}
return 1;
}
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