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 "windef.h"
   9 #include "wingdi.h"
  10 #include "wine/winuser16.h"
  11 #include "wine/unicode.h"
  12 #include "module.h"
  13 #include "debugtools.h"
  14
  15 DEFAULT_DEBUG_CHANNEL(resource);
  16
  17 /**********************************************************************
  18  *          ConvertDialog32To16   (KERNEL.615)
  19  *          ConvertDialog32To16   (KERNEL32.@)
  20  */
  21 VOID WINAPI ConvertDialog32To16( LPVOID dialog32, DWORD size, LPVOID dialog16 )
  22 {
  23     LPVOID p = dialog32;
  24     WORD nbItems, data, dialogEx;
  25     DWORD style;
  26
  27     style = *((DWORD *)dialog16)++ = *((DWORD *)p)++;
  28     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
  29     if (dialogEx)
  30     {
  31         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
  32         *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
  33         style = *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
  34     }
  35     else
  36         ((DWORD *)p)++; /* exStyle ignored in 16-bit standard dialog */
  37
  38     nbItems = *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++;
  39     *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
  40     *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
  41     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
  42     *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
  43
  44     /* Transfer menu name */
  45     switch (*((WORD *)p))
  46     {
  47     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
  48     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
  49                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
  50     default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
  51                   ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
  52                   ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
  53                   break;
  54     }
  55
  56     /* Transfer class name */
  57     switch (*((WORD *)p))
  58     {
  59     case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
  60     case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
  61                   *((WORD *)dialog16)++ = *((WORD *)p)++; break;
  62     default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
  63                   ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
  64                   ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
  65                   break;
  66     }
  67
  68     /* Transfer window caption */
  69     WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
  70     ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
  71     ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
  72
  73     /* Transfer font info */
  74     if (style & DS_SETFONT)
  75     {
  76         *((WORD *)dialog16)++ = *((WORD *)p)++;  /* pointSize */
  77         if (dialogEx)
  78         {
  79             *((WORD *)dialog16)++ = *((WORD *)p)++; /* weight */
  80             *((WORD *)dialog16)++ = *((WORD *)p)++; /* italic */
  81         }
  82         WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );  /* faceName */
  83         ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
  84         ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
  85     }
  86
  87     /* Transfer dialog items */
  88     while (nbItems)
  89     {
  90         /* align on DWORD boundary (32-bit only) */
  91         p = (LPVOID)((((int)p) + 3) & ~3);
  92
  93         if (dialogEx)
  94         {
  95             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* helpID */
  96             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* exStyle */
  97             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* style */
  98         }
  99         else
 100         {
 101             style = *((DWORD *)p)++; /* save style */
 102             ((DWORD *)p)++;          /* ignore exStyle */
 103         }
 104
 105         *((WORD *)dialog16)++ = *((WORD *)p)++; /* x */
 106         *((WORD *)dialog16)++ = *((WORD *)p)++; /* y */
 107         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cx */
 108         *((WORD *)dialog16)++ = *((WORD *)p)++; /* cy */
 109
 110         if (dialogEx)
 111             *((DWORD *)dialog16)++ = *((DWORD *)p)++; /* ID */
 112         else
 113         {
 114             *((WORD *)dialog16)++ = *((WORD *)p)++; /* ID */
 115             *((DWORD *)dialog16)++ = style;  /* style from above */
 116         }
 117
 118         /* Transfer class name */
 119         switch (*((WORD *)p))
 120         {
 121         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 122         case 0xffff:  ((WORD *)p)++;
 123                       *((BYTE *)dialog16)++ = (BYTE)*((WORD *)p)++; break;
 124         default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 125                       ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 126                       ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 127                       break;
 128         }
 129
 130         /* Transfer window name */
 131         switch (*((WORD *)p))
 132         {
 133         case 0x0000:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0; break;
 134         case 0xffff:  ((WORD *)p)++; *((BYTE *)dialog16)++ = 0xff;
 135                       *((WORD *)dialog16)++ = *((WORD *)p)++; break;
 136         default:      WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)dialog16, 0x7fffffff, NULL,NULL );
 137                       ((LPSTR)dialog16) += strlen( (LPSTR)dialog16 ) + 1;
 138                       ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 139                       break;
 140         }
 141
 142         /* Transfer data */
 143         data = *((WORD *)p)++;
 144         if (dialogEx)
 145             *((WORD *)dialog16)++ = data;
 146         else
 147             *((BYTE *)dialog16)++ = (BYTE)data;
 148
 149         if (data)
 150         {
 151             memcpy( dialog16, p, data );
 152             (LPSTR)dialog16 += data;
 153             (LPSTR)p += data;
 154         }
 155
 156         /* Next item */
 157         nbItems--;
 158     }
 159 }
 160
 161 /**********************************************************************
 162  *          GetDialog32Size   (KERNEL.618)
 163  */
 164 WORD WINAPI GetDialog32Size16( LPVOID dialog32 )
 165 {
 166     LPVOID p = dialog32;
 167     WORD nbItems, data, dialogEx;
 168     DWORD style;
 169
 170     style = *((DWORD *)p)++;
 171     dialogEx = (style == 0xffff0001);  /* DIALOGEX resource */
 172     if (dialogEx)
 173     {
 174         ((DWORD *)p)++; /* helpID */
 175         ((DWORD *)p)++; /* exStyle */
 176         style = *((DWORD *)p)++; /* style */
 177     }
 178     else
 179         ((DWORD *)p)++; /* exStyle */
 180
 181     nbItems = *((WORD *)p)++;
 182     ((WORD *)p)++; /* x */
 183     ((WORD *)p)++; /* y */
 184     ((WORD *)p)++; /* cx */
 185     ((WORD *)p)++; /* cy */
 186
 187     /* Skip menu name */
 188     switch (*((WORD *)p))
 189     {
 190     case 0x0000:  ((WORD *)p)++; break;
 191     case 0xffff:  ((WORD *)p) += 2; break;
 192     default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 193     }
 194
 195     /* Skip class name */
 196     switch (*((WORD *)p))
 197     {
 198     case 0x0000:  ((WORD *)p)++; break;
 199     case 0xffff:  ((WORD *)p) += 2; break;
 200     default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 201     }
 202
 203     /* Skip window caption */
 204     ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 205
 206     /* Skip font info */
 207     if (style & DS_SETFONT)
 208     {
 209         ((WORD *)p)++;  /* pointSize */
 210         if (dialogEx)
 211         {
 212             ((WORD *)p)++; /* weight */
 213             ((WORD *)p)++; /* italic */
 214         }
 215         ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;  /* faceName */
 216     }
 217
 218     /* Skip dialog items */
 219     while (nbItems)
 220     {
 221         /* align on DWORD boundary */
 222         p = (LPVOID)((((int)p) + 3) & ~3);
 223
 224         if (dialogEx)
 225         {
 226             ((DWORD *)p)++; /* helpID */
 227             ((DWORD *)p)++; /* exStyle */
 228             ((DWORD *)p)++; /* style */
 229         }
 230         else
 231         {
 232             ((DWORD *)p)++; /* style */
 233             ((DWORD *)p)++; /* exStyle */
 234         }
 235
 236         ((WORD *)p)++; /* x */
 237         ((WORD *)p)++; /* y */
 238         ((WORD *)p)++; /* cx */
 239         ((WORD *)p)++; /* cy */
 240
 241         if (dialogEx)
 242             ((DWORD *)p)++; /* ID */
 243         else
 244             ((WORD *)p)++; /* ID */
 245
 246         /* Skip class name */
 247         switch (*((WORD *)p))
 248         {
 249         case 0x0000:  ((WORD *)p)++; break;
 250         case 0xffff:  ((WORD *)p) += 2; break;
 251         default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 252         }
 253
 254         /* Skip window name */
 255         switch (*((WORD *)p))
 256         {
 257         case 0x0000:  ((WORD *)p)++; break;
 258         case 0xffff:  ((WORD *)p) += 2; break;
 259         default:      ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1; break;
 260         }
 261
 262         /* Skip data */
 263         data = *((WORD *)p)++;
 264         (LPSTR)p += data;
 265
 266         /* Next item */
 267         nbItems--;
 268     }
 269
 270     return (WORD)((LPSTR)p - (LPSTR)dialog32);
 271 }
 272
 273 /**********************************************************************
 274  *          ConvertMenu32To16   (KERNEL.616)
 275  */
 276 VOID WINAPI ConvertMenu32To16( LPVOID menu32, DWORD size, LPVOID menu16 )
 277 {
 278     LPVOID p = menu32;
 279     WORD version, headersize, flags, level = 1;
 280
 281     version = *((WORD *)menu16)++ = *((WORD *)p)++;
 282     headersize = *((WORD *)menu16)++ = *((WORD *)p)++;
 283     if ( headersize )
 284     {
 285         memcpy( menu16, p, headersize );
 286         ((LPSTR)menu16) += headersize;
 287         ((LPSTR)p) += headersize;
 288     }
 289
 290     while ( level )
 291         if ( version == 0 )  /* standard */
 292         {
 293             flags = *((WORD *)menu16)++ = *((WORD *)p)++;
 294             if ( !(flags & MF_POPUP) )
 295                 *((WORD *)menu16)++ = *((WORD *)p)++;  /* ID */
 296             else
 297                 level++;
 298
 299             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)menu16, 0x7fffffff, NULL,NULL );
 300             ((LPSTR)menu16) += strlen( (LPSTR)menu16 ) + 1;
 301             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 302
 303             if ( flags & MF_END )
 304                 level--;
 305         }
 306         else  /* extended */
 307         {
 308             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fType */
 309             *((DWORD *)menu16)++ = *((DWORD *)p)++;  /* fState */
 310             *((WORD *)menu16)++ = (WORD)*((DWORD *)p)++; /* ID */
 311             flags = *((BYTE *)menu16)++ = (BYTE)*((WORD *)p)++;
 312
 313             WideCharToMultiByte( CP_ACP, 0, (LPWSTR)p, -1, (LPSTR)menu16, 0x7fffffff, NULL,NULL );
 314             ((LPSTR)menu16) += strlen( (LPSTR)menu16 ) + 1;
 315             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 316
 317             /* align on DWORD boundary (32-bit only) */
 318             p = (LPVOID)((((int)p) + 3) & ~3);
 319
 320             /* If popup, transfer helpid */
 321             if ( flags & 1)
 322             {
 323                 *((DWORD *)menu16)++ = *((DWORD *)p)++;
 324                 level++;
 325             }
 326
 327             if ( flags & MF_END )
 328                 level--;
 329         }
 330 }
 331
 332 /**********************************************************************
 333  *          GetMenu32Size   (KERNEL.617)
 334  */
 335 WORD WINAPI GetMenu32Size16( LPVOID menu32 )
 336 {
 337     LPVOID p = menu32;
 338     WORD version, headersize, flags, level = 1;
 339
 340     version = *((WORD *)p)++;
 341     headersize = *((WORD *)p)++;
 342     ((LPSTR)p) += headersize;
 343
 344     while ( level )
 345         if ( version == 0 )  /* standard */
 346         {
 347             flags = *((WORD *)p)++;
 348             if ( !(flags & MF_POPUP) )
 349                 ((WORD *)p)++;  /* ID */
 350             else
 351                 level++;
 352
 353             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 354
 355             if ( flags & MF_END )
 356                 level--;
 357         }
 358         else  /* extended */
 359         {
 360             ((DWORD *)p)++; /* fType */
 361             ((DWORD *)p)++; /* fState */
 362             ((DWORD *)p)++; /* ID */
 363             flags = *((WORD *)p)++;
 364
 365             ((LPWSTR)p) += strlenW( (LPWSTR)p ) + 1;
 366
 367             /* align on DWORD boundary (32-bit only) */
 368             p = (LPVOID)((((int)p) + 3) & ~3);
 369
 370             /* If popup, skip helpid */
 371             if ( flags & 1)
 372             {
 373                 ((DWORD *)p)++;
 374                 level++;
 375             }
 376
 377             if ( flags & MF_END )
 378                 level--;
 379         }
 380
 381     return (WORD)((LPSTR)p - (LPSTR)menu32);
 382 }
 383
 384 /**********************************************************************
 385  *          ConvertAccelerator32To16
 386  */
 387 VOID ConvertAccelerator32To16( LPVOID acc32, DWORD size, LPVOID acc16 )
 388 {
 389     int type;
 390
 391     do
 392     {
 393         /* Copy type */
 394         type = *((BYTE *)acc16)++ = *((BYTE *)acc32)++;
 395         /* Skip padding */
 396         ((BYTE *)acc32)++;
 397         /* Copy event and IDval */
 398         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 399         *((WORD *)acc16)++ = *((WORD *)acc32)++;
 400         /* Skip padding */
 401         ((WORD *)acc32)++;
 402
 403     } while ( !( type & 0x80 ) );
 404 }
 405
 406 /**********************************************************************
 407  *          NE_LoadPEResource
 408  */
 409 HGLOBAL16 NE_LoadPEResource( NE_MODULE *pModule, WORD type, LPVOID bits, DWORD size )
 410 {
 411     HGLOBAL16 handle;
 412
 413     TRACE("module=%04x type=%04x\n", pModule->self, type );
 414     if (!pModule || !bits || !size) return 0;
 415
 416     handle = GlobalAlloc16( 0, size );
 417
 418     switch (type)
 419     {
 420     case RT_MENU16:
 421         ConvertMenu32To16( bits, size, GlobalLock16( handle ) );
 422         break;
 423
 424     case RT_DIALOG16:
 425         ConvertDialog32To16( bits, size, GlobalLock16( handle ) );
 426         break;
 427
 428     case RT_ACCELERATOR16:
 429         ConvertAccelerator32To16( bits, size, GlobalLock16( handle ) );
 430         break;
 431
 432     case RT_STRING16:
 433         FIXME("not yet implemented!\n" );
 434         /* fall through */
 435
 436     default:
 437         memcpy( GlobalLock16( handle ), bits, size );
 438         break;
 439     }
 440
 441     return handle;
 442 }
 443