Sweden-Number/tools/winedump/nls.c

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/*
* Dump a NLS file
*
* Copyright 2020 Alexandre Julliard
*
* 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 "wine/port.h"
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "windef.h"
#include "winedump.h"
static const void *read_data( unsigned int *pos, unsigned int size )
{
const void *ret = PRD( *pos, size );
*pos += size;
return ret;
}
static unsigned short casemap( const unsigned short *table, unsigned int len, unsigned short ch )
{
unsigned int off = table[ch >> 8] + ((ch >> 4) & 0x0f);
if (off >= len) return 0;
off = table[off] + (ch & 0x0f);
if (off >= len) return 0;
return ch + table[off];
}
static void dump_casemap(void)
{
int i, ch;
unsigned int pos = 0, upper_len, lower_len;
const unsigned short *header, *upper, *lower;
if (!(header = read_data( &pos, 2 * sizeof(*header) ))) return;
upper_len = header[1];
if (!(upper = read_data( &pos, upper_len * sizeof(*upper) )))
{
printf( "Invalid len %04x\n", header[1] );
return;
}
lower_len = dump_total_len / sizeof(*lower) - 2 - upper_len;
if (!(lower = read_data( &pos, lower_len * sizeof(*lower) ))) return;
printf( "Magic: %04x\n", header[0] );
printf( "Upper-case table:\n" );
for (i = 0; i < 0x10000; i++)
{
if (!(i % 16)) printf( "\n%04x:", i );
ch = casemap( upper, upper_len, i );
if (ch == i) printf( " ...." );
else printf( " %04x", ch );
}
printf( "\n\nLower-case table:\n" );
for (i = 0; i < 0x10000; i++)
{
if (!(i % 16)) printf( "\n%04x:", i );
ch = casemap( lower, lower_len, i );
if (ch == i) printf( " ...." );
else printf( " %04x", ch );
}
printf( "\n\n" );
}
static void dump_codepage(void)
{
unsigned int i, j, uni2cp_offset, pos = 0;
const unsigned short *header, *ptr;
if (!(header = read_data( &pos, 13 * sizeof(*header) ))) return;
printf( "Codepage: %03u\n", header[1] );
printf( "Char size: %u\n", header[2] );
printf( "Default char A: %04x / %04x\n", header[3], header[5] );
printf( "Default char W: %04x / %04x\n", header[4], header[6] );
if (header[2] == 2)
{
printf( "Lead bytes: " );
for (i = 0; i < 12; i++)
{
unsigned char val = ((unsigned char *)(header + 7))[i];
if (!val) break;
printf( "%c%02x", (i % 2) ? '-' : ' ', val );
}
printf( "\n" );
}
printf( "\nCharacter map:\n" );
pos = header[0] * sizeof(*ptr);
if (!(ptr = read_data( &pos, sizeof(*ptr) ))) return;
uni2cp_offset = pos / sizeof(*ptr) + *ptr;
if (!(ptr = read_data( &pos, 256 * sizeof(*ptr) ))) return;
for (i = 0; i < 256; i++)
{
if (!(i % 16)) printf( "\n%02x:", i );
printf( " %04x", ptr[i] );
}
printf( "\n" );
if (!(ptr = read_data( &pos, sizeof(*ptr) ))) return;
if (*ptr == 256)
{
if (!(ptr = read_data( &pos, 256 * sizeof(*ptr) ))) return;
printf( "\nGlyph table:\n" );
for (i = 0; i < 256; i++)
{
if (!(i % 16)) printf( "\n%02x:", i );
printf( " %04x", ptr[i] );
}
printf( "\n" );
}
if (!(ptr = read_data( &pos, sizeof(*ptr) ))) return;
if (*ptr)
{
if (!(ptr = read_data( &pos, (uni2cp_offset - pos) * sizeof(*ptr) ))) return;
for (i = 0; i < 256; i++)
{
if (!ptr[i] || ptr[i] > pos - 256) continue;
for (j = 0; j < 256; j++)
{
if (!(j % 16)) printf( "\n%02x%02x:", i, j );
printf( " %04x", ptr[ptr[i] + j] );
}
}
printf( "\n" );
}
printf( "\nUnicode table:\n" );
pos = uni2cp_offset * sizeof(*ptr);
if (header[2] == 2)
{
if (!(ptr = read_data( &pos, 65536 * sizeof(*ptr) ))) return;
for (i = 0; i < 65536; i++)
{
if (!(i % 16)) printf( "\n%04x:", i );
printf( " %04x", ptr[i] );
}
printf( "\n" );
}
else
{
const unsigned char *uni2cp;
if (!(uni2cp = read_data( &pos, 65536 ))) return;
for (i = 0; i < 65536; i++)
{
if (!(i % 16)) printf( "\n%04x:", i );
printf( " %02x", uni2cp[i] );
}
printf( "\n" );
}
printf( "\n" );
}
void nls_dump(void)
{
const char *name = strrchr( globals.input_name, '/' );
if (name) name++;
else name = globals.input_name;
if (!strcasecmp( name, "l_intl.nls" )) return dump_casemap();
if (!strncasecmp( name, "c_", 2 )) return dump_codepage();
fprintf( stderr, "Unrecognized file name '%s'\n", globals.input_name );
}
enum FileSig get_kind_nls(void)
{
if (strlen( globals.input_name ) < 5) return SIG_UNKNOWN;
if (strcasecmp( globals.input_name + strlen(globals.input_name) - 4, ".nls" )) return SIG_UNKNOWN;
return SIG_NLS;
}