loader/ne/convert.c

   1 /*
   2  * PE->NE resource conversion functions
   3  *
   4  * Copyright 1998 Ulrich Weigand
   5  */
   6
   7 #include <string.h>
   8 #include "wine/winuser16.h"
   9 #include "module.h"
  10 #include "debug.h"
  11 #include "debugtools.h"
  12
  13 DEFAULT_DEBUG_CHANNEL(resource)
  14
  15 /**********************************************************************
  16  *          ConvertDialog32To16   (KERNEL.615)
  17  */
  18 VOID WINAPI ConvertDialog32To16( LPVOID dialog32, DWORD size, LPVOID dialog16 )
  19 {
  20     LPVOID p = dialog32;
  21     WORD nbItems, data, dialogEx;
  22     DWORD style;
  23
  24     style = *((DWORD *)dialog16)++ = *((DWORD *)p)++;
  25     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
  26     if (dialogEx)
  27     {
  28         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
  29         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
  30         style = *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
  31     }
  32     else
  33         ((DWORD *)p)++; /* exStyle ignored in 16-bit standard dialog */
  34
  35     nbItems = *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++;
  36     *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
  37     *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
  38     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
  39     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
  40
  41     /* Transfer menu name */
  42     switch (*((WORD *)p))
  43     {
  44     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
  45     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
  46                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
  47     default:      lstrcpyWtoA( (LPSTR)dialog16, (LPWSTR)p );
  48                   ((LPSTR)dialog16) += lstrlenA( (LPSTR)dialog16 ) + 1;
  49                   ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
  50                   break;
  51     }
  52
  53     /* Transfer class name */
  54     switch (*((WORD *)p))
  55     {
  56     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
  57     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
  58                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
  59     default:      lstrcpyWtoA( (LPSTR)dialog16, (LPWSTR)p );
  60                   ((LPSTR)dialog16) += lstrlenA( (LPSTR)dialog16 ) + 1;
  61                   ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
  62                   break;
  63     }
  64
  65     /* Transfer window caption */
  66     lstrcpyWtoA( (LPSTR)dialog16, (LPWSTR)p );
  67     ((LPSTR)dialog16) += lstrlenA( (LPSTR)dialog16 ) + 1;
  68     ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
  69
  70     /* Transfer font info */
  71     if (style & DS_SETFONT)
  72     {
  73         *((WORD *)dialog16)++ = *((WORD *)p)++;  /* pointSize */
  74         if (dialogEx)
  75         {
  76             *((WORD *)dialog16)++ = *((WORD *)p)++; /* weight */
  77             *((WORD *)dialog16)++ = *((WORD *)p)++; /* italic */
  78         }
  79         lstrcpyWtoA( (LPSTR)dialog16, (LPWSTR)p );  /* faceName */
  80         ((LPSTR)dialog16) += lstrlenA( (LPSTR)dialog16 ) + 1;
  81         ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
  82     }
  83
  84     /* Transfer dialog items */
  85     while (nbItems)
  86     {
  87         /* align on DWORD boundary (32-bit only) */
  88         p = (LPVOID)((((int)p) + 3) & ~3);
  89
  90         if (dialogEx)
  91         {
  92             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
  93             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
  94             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
  95         }
  96         else
  97         {
  98             style = *((DWORD *)p)++; /* save style */
  99             ((DWORD *)p)++;          /* ignore exStyle */
 100         }
 101
 102         *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
 103         *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
 104         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
 105         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
 106
 107         if (dialogEx)
 108             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* ID */
 109         else
 110         {
 111             *((WORD *)dialog16)++ = *((WORD *)p)++; /* ID */
 112             *((DWORD *)dialog16)++ = style;  /* style from above */
 113         }
 114
 115         /* Transfer class name */
 116         switch (*((WORD *)p))
 117         {
 118         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 119         case 0xffff:  ((WORD *)p)++;
 120                       *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++; break;
 121         default:      lstrcpyWtoA( (LPSTR)dialog16, (LPWSTR)p );
 122                       ((LPSTR)dialog16) += lstrlenA( (LPSTR)dialog16 ) + 1;
 123                       ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 124                       break;
 125         }
 126
 127         /* Transfer window name */
 128         switch (*((WORD *)p))
 129         {
 130         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 131         case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 132                       *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 133         default:      lstrcpyWtoA( (LPSTR)dialog16, (LPWSTR)p );
 134                       ((LPSTR)dialog16) += lstrlenA( (LPSTR)dialog16 ) + 1;
 135                       ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 136                       break;
 137         }
 138
 139         /* Transfer data */
 140         data = *((WORD *)p)++;
 141         if (dialogEx)
 142             *((WORD *)dialog16)++ = data;
 143         else
 144             *((BYTE *)dialog16)++ = (BYTE)data;
 145
 146         if (data)
 147         {
 148             memcpy( dialog16, p, data );
 149             (LPSTR)dialog16 += data;
 150             (LPSTR)p += data;
 151         }
 152
 153         /* Next item */
 154         nbItems--;
 155     }
 156 }
 157
 158 /**********************************************************************
 159  *          GetDialog32Size   (KERNEL.618)
 160  */
 161 WORD WINAPI GetDialog32Size16( LPVOID dialog32 )
 162 {
 163     LPVOID p = dialog32;
 164     WORD nbItems, data, dialogEx;
 165     DWORD style;
 166
 167     style = *((DWORD *)p)++;
 168     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 169     if (dialogEx)
 170     {
 171         ((DWORD *)p)++; /* helpID */
 172         ((DWORD *)p)++; /* exStyle */
 173         style = *((DWORD *)p)++; /* style */
 174     }
 175     else
 176         ((DWORD *)p)++; /* exStyle */
 177
 178     nbItems = *((WORD *)p)++;
 179     ((WORD *)p)++; /* x */
 180     ((WORD *)p)++; /* y */
 181     ((WORD *)p)++; /* cx */
 182     ((WORD *)p)++; /* cy */
 183
 184     /* Skip menu name */
 185     switch (*((WORD *)p))
 186     {
 187     case 0x0000:  ((WORD *)p)++; break;
 188     case 0xffff:  ((WORD *)p) += 2; break;
 189     default:      ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1; break;
 190     }
 191
 192     /* Skip class name */
 193     switch (*((WORD *)p))
 194     {
 195     case 0x0000:  ((WORD *)p)++; break;
 196     case 0xffff:  ((WORD *)p) += 2; break;
 197     default:      ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1; break;
 198     }
 199
 200     /* Skip window caption */
 201     ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 202
 203     /* Skip font info */
 204     if (style & DS_SETFONT)
 205     {
 206         ((WORD *)p)++;  /* pointSize */
 207         if (dialogEx)
 208         {
 209             ((WORD *)p)++; /* weight */
 210             ((WORD *)p)++; /* italic */
 211         }
 212         ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;  /* faceName */
 213     }
 214
 215     /* Skip dialog items */
 216     while (nbItems)
 217     {
 218         /* align on DWORD boundary */
 219         p = (LPVOID)((((int)p) + 3) & ~3);
 220
 221         if (dialogEx)
 222         {
 223             ((DWORD *)p)++; /* helpID */
 224             ((DWORD *)p)++; /* exStyle */
 225             ((DWORD *)p)++; /* style */
 226         }
 227         else
 228         {
 229             ((DWORD *)p)++; /* style */
 230             ((DWORD *)p)++; /* exStyle */
 231         }
 232
 233         ((WORD *)p)++; /* x */
 234         ((WORD *)p)++; /* y */
 235         ((WORD *)p)++; /* cx */
 236         ((WORD *)p)++; /* cy */
 237
 238         if (dialogEx)
 239             ((DWORD *)p)++; /* ID */
 240         else
 241             ((WORD *)p)++; /* ID */
 242
 243         /* Skip class name */
 244         switch (*((WORD *)p))
 245         {
 246         case 0x0000:  ((WORD *)p)++; break;
 247         case 0xffff:  ((WORD *)p) += 2; break;
 248         default:      ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1; break;
 249         }
 250
 251         /* Skip window name */
 252         switch (*((WORD *)p))
 253         {
 254         case 0x0000:  ((WORD *)p)++; break;
 255         case 0xffff:  ((WORD *)p) += 2; break;
 256         default:      ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1; break;
 257         }
 258
 259         /* Skip data */
 260         data = *((WORD *)p)++;
 261         (LPSTR)p += data;
 262
 263         /* Next item */
 264         nbItems--;
 265     }
 266
 267     return (WORD)((LPSTR)p - (LPSTR)dialog32);
 268 }
 269
 270 /**********************************************************************
 271  *          ConvertMenu32To16   (KERNEL.616)
 272  */
 273 VOID WINAPI ConvertMenu32To16( LPVOID menu32, DWORD size, LPVOID menu16 )
 274 {
 275     LPVOID p = menu32;
 276     WORD version, headersize, flags, level = 1;
 277
 278     version = *((WORD *)menu16)++ = *((WORD *)p)++;
 279     headersize = *((WORD *)menu16)++ = *((WORD *)p)++;
 280     if ( headersize )
 281     {
 282         memcpy( menu16, p, headersize );
 283         ((LPSTR)menu16) += headersize;
 284         ((LPSTR)p) += headersize;
 285     }
 286
 287     while ( level )
 288         if ( version == 0 )  /* standard */
 289         {
 290             flags = *((WORD *)menu16)++ = *((WORD *)p)++;
 291             if ( !(flags & MF_POPUP) )
 292                 *((WORD *)menu16)++ = *((WORD *)p)++;  /* ID */
 293             else
 294                 level++;
 295
 296             lstrcpyWtoA( (LPSTR)menu16, (LPWSTR)p );
 297             ((LPSTR)menu16) += lstrlenA( (LPSTR)menu16 ) + 1;
 298             ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 299
 300             if ( flags & MF_END )
 301                 level--;
 302         }
 303         else  /* extended */
 304         {
 305             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fType */
 306             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fState */
 307             *((WORD *)menu16)++ = (WORD)*((DWORD *)p)++; /* ID */
 308             flags = *((BYTE *)menu16)++ = (BYTE)*((WORD *)p)++;
 309
 310             lstrcpyWtoA( (LPSTR)menu16, (LPWSTR)p );
 311             ((LPSTR)menu16) += lstrlenA( (LPSTR)menu16 ) + 1;
 312             ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 313
 314             /* align on DWORD boundary (32-bit only) */
 315             p = (LPVOID)((((int)p) + 3) & ~3);
 316
 317             /* If popup, transfer helpid */
 318             if ( flags & 1)
 319             {
 320                 *((DWORD *)menu16)++ = *((DWORD *)p)++;
 321                 level++;
 322             }
 323
 324             if ( flags & MF_END )
 325                 level--;
 326         }
 327 }
 328
 329 /**********************************************************************
 330  *          GetMenu32Size   (KERNEL.617)
 331  */
 332 WORD WINAPI GetMenu32Size16( LPVOID menu32 )
 333 {
 334     LPVOID p = menu32;
 335     WORD version, headersize, flags, level = 1;
 336
 337     version = *((WORD *)p)++;
 338     headersize = *((WORD *)p)++;
 339     ((LPSTR)p) += headersize;
 340
 341     while ( level )
 342         if ( version == 0 )  /* standard */
 343         {
 344             flags = *((WORD *)p)++;
 345             if ( !(flags & MF_POPUP) )
 346                 ((WORD *)p)++;  /* ID */
 347             else
 348                 level++;
 349
 350             ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 351
 352             if ( flags & MF_END )
 353                 level--;
 354         }
 355         else  /* extended */
 356         {
 357             ((DWORD *)p)++; /* fType */
 358             ((DWORD *)p)++; /* fState */
 359             ((DWORD *)p)++; /* ID */
 360             flags = *((WORD *)p)++;
 361
 362             ((LPWSTR)p) += lstrlenW( (LPWSTR)p ) + 1;
 363
 364             /* align on DWORD boundary (32-bit only) */
 365             p = (LPVOID)((((int)p) + 3) & ~3);
 366
 367             /* If popup, skip helpid */
 368             if ( flags & 1)
 369             {
 370                 ((DWORD *)p)++;
 371                 level++;
 372             }
 373
 374             if ( flags & MF_END )
 375                 level--;
 376         }
 377
 378     return (WORD)((LPSTR)p - (LPSTR)menu32);
 379 }
 380
 381 /**********************************************************************
 382  *          ConvertAccelerator32To16
 383  */
 384 VOID ConvertAccelerator32To16( LPVOID acc32, DWORD size, LPVOID acc16 )
 385 {
 386     int type;
 387
 388     do
 389     {
 390         /* Copy type */
 391         type = *((BYTE *)acc16)++ = *((BYTE *)acc32)++;
 392         /* Skip padding */
 393         ((BYTE *)acc32)++;
 394         /* Copy event and IDval */
 395         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 396         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 397         /* Skip padding */
 398         ((WORD *)acc32)++;
 399
 400     } while ( !( type & 0x80 ) );
 401 }
 402
 403 /**********************************************************************
 404  *          NE_LoadPEResource
 405  */
 406 HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size )
 407 {
 408     HGLOBAL16 handle;
 409
 410     TRACE( resource, "module=%04x type=%04x\n", pModule->self, type );
 411     if (!pModule || !bits || !size) return 0;
 412
 413     handle = GlobalAlloc16( 0, size );
 414
 415     switch (type)
 416     {
 417     case RT_MENU16:
 418         ConvertMenu32To16( bits, size, GlobalLock16( handle ) );
 419         break;
 420
 421     case RT_DIALOG16:
 422         ConvertDialog32To16( bits, size, GlobalLock16( handle ) );
 423         break;
 424
 425     case RT_ACCELERATOR16:
 426         ConvertAccelerator32To16( bits, size, GlobalLock16( handle ) );
 427         break;
 428
 429     case RT_STRING16:
 430         FIXME( resource, "not yet implemented!\n" );
 431         /* fall through */
 432
 433     default:
 434         memcpy( GlobalLock16( handle ), bits, size );
 435         break;
 436     }
 437
 438     return handle;
 439 }
 440