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Imported from antiword-0.33.tar.gz.
[antiword.git] / prop2.c
blobbd3afe2bb187710840c449b6a77a3d039298abe6
1 /*
2 * prop2.c
3 * Copyright (C) 2002 A.J. van Os; Released under GPL
4 *
5 * Description:
6 * Read the property information from a WinWord 1 or 2 file
7 */
8
9 #include <string.h>
10 #include "antiword.h"
11
12
13 /*
14 * iGet2InfoLength - the length of the information for WinWord 1/2 files
15 */
16 static int
17 iGet2InfoLength(int iByteNbr, const UCHAR *aucGrpprl)
18 {
19 int iTmp, iDel, iAdd;
20
21 switch (ucGetByte(iByteNbr, aucGrpprl)) {
22 case 3: case 15: case 78: case 152: case 154: case 155:
23 return 2 + (int)ucGetByte(iByteNbr + 1, aucGrpprl);
24 case 16: case 17: case 18: case 19: case 21: case 22: case 26:
25 case 27: case 28: case 30: case 31: case 32: case 33: case 34:
26 case 35: case 36: case 38: case 39: case 40: case 41: case 42:
27 case 43: case 45: case 46: case 47: case 48: case 49: case 68:
28 case 71: case 72: case 82: case 83: case 96: case 97: case 98:
29 case 99: case 115: case 116: case 119: case 120: case 123: case 124:
30 case 129: case 130: case 131: case 132: case 135: case 136: case 139:
31 case 140: case 141: case 142: case 143: case 144: case 145: case 146:
32 case 147: case 148: case 153: case 159: case 161: case 162:
33 return 1 + 2;
34 case 23:
35 iTmp = (int)ucGetByte(iByteNbr + 1, aucGrpprl);
36 if (iTmp == 255) {
37 iDel = (int)ucGetByte(iByteNbr + 2, aucGrpprl);
38 iAdd = (int)ucGetByte(
39 iByteNbr + 3 + iDel * 4, aucGrpprl);
40 iTmp = 2 + iDel * 4 + iAdd * 3;
41 }
42 return 2 + iTmp;
43 case 70:
44 return 1 + 3;
45 case 95:
46 return 1 + 13;
47 case 157: case 163:
48 return 1 + 5;
49 case 158: case 160: case 164:
50 return 1 + 4;
51 default:
52 return 1 + 1;
53 }
54 } /* end of iGet2InfoLength */
55
56 /*
57 * Fill the section information block with information
58 * from a WinWord 1/2 file.
59 */
60 static void
61 vGet2SectionInfo(const UCHAR *aucGrpprl, size_t tBytes,
62 section_block_type *pSection)
63 {
64 int iFodoOff, iInfoLen;
65 USHORT usCcol;
66 UCHAR ucTmp;
67
68 fail(aucGrpprl == NULL || pSection == NULL);
69
70 iFodoOff = 0;
71 while (tBytes >= (size_t)iFodoOff + 1) {
72 iInfoLen = 0;
73 switch (ucGetByte(iFodoOff, aucGrpprl)) {
74 case 117: /* bkc */
75 ucTmp = ucGetByte(iFodoOff + 1, aucGrpprl);
76 DBG_DEC(ucTmp);
77 pSection->bNewPage = ucTmp != 0 && ucTmp != 1;
78 break;
79 case 119: /* ccolM1 */
80 usCcol = 1 + usGetWord(iFodoOff + 1, aucGrpprl);
81 DBG_DEC(usCcol);
82 break;
83 default:
84 break;
85 }
86 if (iInfoLen <= 0) {
87 iInfoLen = iGet2InfoLength(iFodoOff, aucGrpprl);
88 fail(iInfoLen <= 0);
89 }
90 iFodoOff += iInfoLen;
91 }
92 } /* end of vGet2SectionInfo */
93
94 /*
95 * Build the lists with Section Property Information for WinWord 1/2 files
96 */
97 void
98 vGet2SepInfo(FILE *pFile, const UCHAR *aucHeader)
99 {
100 section_block_type tSection;
101 ULONG *aulSectPage, *aulTextOffset;
102 UCHAR *aucBuffer, *aucFpage;
103 ULONG ulBeginSectInfo;
104 size_t tSectInfoLen, tOffset, tSize, tLen, tBytes;
105 int iIndex;
106 UCHAR aucTmp[1];
107
108 fail(pFile == NULL || aucHeader == NULL);
109
110 ulBeginSectInfo = ulGetLong(0x7c, aucHeader); /* fcPlcfsed */
111 DBG_HEX(ulBeginSectInfo);
112 tSectInfoLen = (size_t)usGetWord(0x80, aucHeader); /* cbPlcfsed */
113 DBG_DEC(tSectInfoLen);
114 if (tSectInfoLen < 4) {
115 DBG_DEC(tSectInfoLen);
116 return;
117 }
118
119 aucBuffer = xmalloc(tSectInfoLen);
120 if (!bReadBytes(aucBuffer, tSectInfoLen, ulBeginSectInfo, pFile)) {
121 aucBuffer = xfree(aucBuffer);
122 return;
123 }
124 NO_DBG_PRINT_BLOCK(aucBuffer, tSectInfoLen);
125
126 /* Read the Section Descriptors */
127 tLen = (tSectInfoLen - 4) / 10;
128 tSize = tLen * sizeof(ULONG);
129 /* Save the section offsets */
130 aulTextOffset = xmalloc(tSize);
131 for (iIndex = 0, tOffset = 0;
132 iIndex < (int)tLen;
133 iIndex++, tOffset += 4) {
134 aulTextOffset[iIndex] = ulGetLong(tOffset, aucBuffer);
135 }
136 /* Save the Sepx offsets */
137 aulSectPage = xmalloc(tSize);
138 for (iIndex = 0, tOffset = (tLen + 1) * 4;
139 iIndex < (int)tLen;
140 iIndex++, tOffset += 6) {
141 aulSectPage[iIndex] = ulGetLong(tOffset + 2, aucBuffer);
142 NO_DBG_HEX(aulSectPage[iIndex]); /* fcSepx */
143 }
144 aucBuffer = xfree(aucBuffer);
145
146 /* Read the Section Properties */
147 for (iIndex = 0; iIndex < (int)tLen; iIndex++) {
148 if (aulSectPage[iIndex] == FC_INVALID) {
149 vDefault2SectionInfoList(aulTextOffset[iIndex]);
150 continue;
151 }
152 /* Get the number of bytes to read */
153 if (!bReadBytes(aucTmp, 1, aulSectPage[iIndex], pFile)) {
154 continue;
155 }
156 tBytes = 1 + (size_t)ucGetByte(0, aucTmp);
157 NO_DBG_DEC(tBytes);
158 /* Read the bytes */
159 aucFpage = xmalloc(tBytes);
160 if (!bReadBytes(aucFpage, tBytes, aulSectPage[iIndex], pFile)) {
161 aucFpage = xfree(aucFpage);
162 continue;
163 }
164 NO_DBG_PRINT_BLOCK(aucFpage, tBytes);
165 /* Process the bytes */
166 vGetDefaultSection(&tSection);
167 vGet2SectionInfo(aucFpage + 1, tBytes - 1, &tSection);
168 vAdd2SectionInfoList(&tSection, aulTextOffset[iIndex]);
169 aucFpage = xfree(aucFpage);
170 }
171 aulTextOffset = xfree(aulTextOffset);
172 aulSectPage = xfree(aulSectPage);
173 } /* end of vGet2SepInfo */
174
175 /*
176 * Translate the rowinfo to a member of the row_info enumeration
177 */
178 row_info_enum
179 eGet2RowInfo(int iFodo,
180 const UCHAR *aucGrpprl, int iBytes, row_block_type *pRow)
181 {
182 int iFodoOff, iInfoLen;
183 int iIndex, iSize, iCol;
184 int iPosCurr, iPosPrev;
185 BOOL bFound24_0, bFound24_1, bFound25_0, bFound25_1, bFound154;
186
187 fail(iFodo < 0 || aucGrpprl == NULL || pRow == NULL);
188
189 iFodoOff = 0;
190 bFound24_0 = FALSE;
191 bFound24_1 = FALSE;
192 bFound25_0 = FALSE;
193 bFound25_1 = FALSE;
194 bFound154 = FALSE;
195 while (iBytes >= iFodoOff + 1) {
196 iInfoLen = 0;
197 switch (ucGetByte(iFodo + iFodoOff, aucGrpprl)) {
198 case 24: /* fIntable */
199 if (odd(ucGetByte(iFodo + iFodoOff + 1, aucGrpprl))) {
200 bFound24_1 = TRUE;
201 } else {
202 bFound24_0 = TRUE;
203 }
204 break;
205 case 25: /* fTtp */
206 if (odd(ucGetByte(iFodo + iFodoOff + 1, aucGrpprl))) {
207 bFound25_1 = TRUE;
208 } else {
209 bFound25_0 = TRUE;
210 }
211 break;
212 case 152: /* cDefTable10 */
213 case 154: /* cDefTable */
214 iSize = (int)usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
215 if (iSize < 6 || iBytes < iFodoOff + 7) {
216 DBG_DEC(iSize);
217 DBG_DEC(iBytes);
218 DBG_DEC(iFodoOff);
219 iInfoLen = 1;
220 break;
221 }
222 iCol = (int)ucGetByte(iFodo + iFodoOff + 3, aucGrpprl);
223 if (iCol < 1 ||
224 iBytes < iFodoOff + 3 + (iCol + 1) * 2) {
225 DBG_DEC(iCol);
226 DBG_DEC(iBytes);
227 DBG_DEC(iFodoOff);
228 iInfoLen = 1;
229 break;
230 }
231 if (iCol >= (int)elementsof(pRow->asColumnWidth)) {
232 DBG_DEC(iCol);
233 werr(1, "The number of columns is corrupt");
234 }
235 pRow->ucNumberOfColumns = (UCHAR)iCol;
236 pRow->iColumnWidthSum = 0;
237 iPosPrev = (int)(short)usGetWord(
238 iFodo + iFodoOff + 4,
239 aucGrpprl);
240 for (iIndex = 0; iIndex < iCol; iIndex++) {
241 iPosCurr = (int)(short)usGetWord(
242 iFodo + iFodoOff + 6 + iIndex * 2,
243 aucGrpprl);
244 pRow->asColumnWidth[iIndex] =
245 (short)(iPosCurr - iPosPrev);
246 pRow->iColumnWidthSum +=
247 pRow->asColumnWidth[iIndex];
248 iPosPrev = iPosCurr;
249 }
250 bFound154 = TRUE;
251 break;
252 default:
253 break;
254 }
255 if (iInfoLen <= 0) {
256 iInfoLen =
257 iGet2InfoLength(iFodo + iFodoOff, aucGrpprl);
258 fail(iInfoLen <= 0);
259 }
260 iFodoOff += iInfoLen;
261 }
262 if (bFound24_1 && bFound25_1 && bFound154) {
263 return found_end_of_row;
264 }
265 if (bFound24_0 && bFound25_0 && !bFound154) {
266 return found_not_end_of_row;
267 }
268 if (bFound24_1) {
269 return found_a_cell;
270 }
271 if (bFound24_0) {
272 return found_not_a_cell;
273 }
274 return found_nothing;
275 } /* end of eGet2RowInfo */
276
277 /*
278 * Fill the style information block with information
279 * from a WinWord 1/2 file.
280 */
281 void
282 vGet2StyleInfo(int iFodo,
283 const UCHAR *aucGrpprl, int iBytes, style_block_type *pStyle)
284 {
285 int iFodoOff, iInfoLen;
286 int iTmp, iDel, iAdd;
287 short sTmp;
288 UCHAR ucTmp;
289
290 fail(iFodo < 0 || aucGrpprl == NULL || pStyle == NULL);
291
292 NO_DBG_DEC(pStyle->usIstd);
293
294 iFodoOff = 0;
295 while (iBytes >= iFodoOff + 1) {
296 iInfoLen = 0;
297 switch (ucGetByte(iFodo + iFodoOff, aucGrpprl)) {
298 case 2: /* istd */
299 sTmp = (short)ucGetByte(
300 iFodo + iFodoOff + 1, aucGrpprl);
301 NO_DBG_DEC(sTmp);
302 break;
303 case 5: /* jc */
304 pStyle->ucAlignment = ucGetByte(
305 iFodo + iFodoOff + 1, aucGrpprl);
306 break;
307 case 12: /* nfcSeqNumb */
308 pStyle->ucNFC = ucGetByte(
309 iFodo + iFodoOff + 1, aucGrpprl);
310 break;
311 case 13: /* nLvlAnm */
312 ucTmp = ucGetByte(iFodo + iFodoOff + 1, aucGrpprl);
313 pStyle->ucListLevel = ucTmp;
314 #if 0
315 if (iTmp == 0) {
316 pStyle->bNoNumbering = TRUE;
317 }
318 if (iTmp >= 12) {
319 pStyle->bNumPause = TRUE;
320 }
321 #else
322 if ((int)ucTmp == 0 || (int)ucTmp >= 12) {
323 pStyle->bNumPause = TRUE;
324 }
325 #endif
326 break;
327 case 15: /* ChgTabsPapx */
328 iTmp = (int)ucGetByte(iFodo + iFodoOff + 1, aucGrpprl);
329 if (iTmp < 2) {
330 iInfoLen = 1;
331 break;
332 }
333 NO_DBG_DEC(iTmp);
334 iDel = (int)ucGetByte(iFodo + iFodoOff + 2, aucGrpprl);
335 if (iTmp < 2 + 2 * iDel) {
336 iInfoLen = 1;
337 break;
338 }
339 NO_DBG_DEC(iDel);
340 iAdd = (int)ucGetByte(
341 iFodo + iFodoOff + 3 + 2 * iDel, aucGrpprl);
342 if (iTmp < 2 + 2 * iDel + 2 * iAdd) {
343 iInfoLen = 1;
344 break;
345 }
346 NO_DBG_DEC(iAdd);
347 break;
348 case 16: /* dxaRight */
349 pStyle->sRightIndent = (short)usGetWord(
350 iFodo + iFodoOff + 1, aucGrpprl);
351 NO_DBG_DEC(pStyle->sRightIndent);
352 break;
353 case 17: /* dxaLeft */
354 pStyle->sLeftIndent = (short)usGetWord(
355 iFodo + iFodoOff + 1, aucGrpprl);
356 NO_DBG_DEC(pStyle->sLeftIndent);
357 break;
358 case 18: /* Nest dxaLeft */
359 sTmp = (short)usGetWord(
360 iFodo + iFodoOff + 1, aucGrpprl);
361 pStyle->sLeftIndent += sTmp;
362 if (pStyle->sLeftIndent < 0) {
363 pStyle->sLeftIndent = 0;
364 }
365 NO_DBG_DEC(sTmp);
366 NO_DBG_DEC(pStyle->sLeftIndent);
367 break;
368 case 21: /* dyaBefore */
369 pStyle->usBeforeIndent = usGetWord(
370 iFodo + iFodoOff + 1, aucGrpprl);
371 NO_DBG_DEC(pStyle->usBeforeIndent);
372 break;
373 case 22: /* dyaAfter */
374 pStyle->usAfterIndent = usGetWord(
375 iFodo + iFodoOff + 1, aucGrpprl);
376 NO_DBG_DEC(pStyle->usAfterIndent);
377 break;
378 default:
379 break;
380 }
381 if (iInfoLen <= 0) {
382 iInfoLen =
383 iGet2InfoLength(iFodo + iFodoOff, aucGrpprl);
384 fail(iInfoLen <= 0);
385 }
386 iFodoOff += iInfoLen;
387 }
388 } /* end of vGet2StyleInfo */
389
390 /*
391 * Build the lists with Paragraph Information for WinWord 1/2 files
392 */
393 void
394 vGet2PapInfo(FILE *pFile, const UCHAR *aucHeader)
395 {
396 row_block_type tRow;
397 style_block_type tStyle;
398 USHORT *ausParfPage;
399 UCHAR *aucBuffer;
400 ULONG ulCharPos, ulCharPosFirst, ulCharPosLast;
401 ULONG ulBeginParfInfo;
402 size_t tParfInfoLen, tParfPageNum, tOffset, tSize, tLenOld, tLen;
403 int iIndex, iIndex2, iRun, iFodo, iLen;
404 row_info_enum eRowInfo;
405 USHORT usParfFirstPage, usCount, usIstd;
406 UCHAR ucStc;
407 UCHAR aucFpage[BIG_BLOCK_SIZE];
408
409 fail(pFile == NULL || aucHeader == NULL);
410
411 ulBeginParfInfo = ulGetLong(0xa6, aucHeader); /* fcPlcfbtePapx */
412 NO_DBG_HEX(ulBeginParfInfo);
413 tParfInfoLen = (size_t)usGetWord(0xaa, aucHeader); /* cbPlcfbtePapx */
414 NO_DBG_DEC(tParfInfoLen);
415 if (tParfInfoLen < 4) {
416 DBG_DEC(tParfInfoLen);
417 return;
418 }
419
420 aucBuffer = xmalloc(tParfInfoLen);
421 if (!bReadBytes(aucBuffer, tParfInfoLen, ulBeginParfInfo, pFile)) {
422 aucBuffer = xfree(aucBuffer);
423 return;
424 }
425 NO_DBG_PRINT_BLOCK(aucBuffer, tParfInfoLen);
426
427 tLen = (tParfInfoLen - 4) / 6;
428 tSize = tLen * sizeof(USHORT);
429 ausParfPage = xmalloc(tSize);
430 for (iIndex = 0, tOffset = (tLen + 1) * 4;
431 iIndex < (int)tLen;
432 iIndex++, tOffset += 2) {
433 ausParfPage[iIndex] = usGetWord(tOffset, aucBuffer);
434 NO_DBG_DEC(ausParfPage[iIndex]);
435 }
436 DBG_HEX(ulGetLong(0, aucBuffer));
437 aucBuffer = xfree(aucBuffer);
438 tParfPageNum = (size_t)usGetWord(0x144, aucHeader); /* cpnBtePap */
439 DBG_DEC(tParfPageNum);
440 if (tLen < tParfPageNum) {
441 /* Replace ParfPage by a longer version */
442 tLenOld = tLen;
443 usParfFirstPage = usGetWord(0x140, aucHeader); /* pnPapFirst */
444 DBG_DEC(usParfFirstPage);
445 tLen += tParfPageNum - 1;
446 tSize = tLen * sizeof(USHORT);
447 ausParfPage = xrealloc(ausParfPage, tSize);
448 /* Add new values */
449 usCount = usParfFirstPage + 1;
450 for (iIndex = (int)tLenOld; iIndex < (int)tLen; iIndex++) {
451 ausParfPage[iIndex] = usCount;
452 NO_DBG_DEC(ausParfPage[iIndex]);
453 usCount++;
454 }
455 }
456
457 (void)memset(&tRow, 0, sizeof(tRow));
458 ulCharPosFirst = CP_INVALID;
459 for (iIndex = 0; iIndex < (int)tLen; iIndex++) {
460 if (!bReadBytes(aucFpage, BIG_BLOCK_SIZE,
461 (ULONG)ausParfPage[iIndex] * BIG_BLOCK_SIZE,
462 pFile)) {
463 break;
464 }
465 NO_DBG_PRINT_BLOCK(aucFpage, BIG_BLOCK_SIZE);
466 iRun = (int)ucGetByte(0x1ff, aucFpage);
467 NO_DBG_DEC(iRun);
468 for (iIndex2 = 0; iIndex2 < iRun; iIndex2++) {
469 NO_DBG_HEX(ulGetLong(iIndex2 * 4, aucFpage));
470 iFodo = 2 * (int)ucGetByte(
471 (iRun + 1) * 4 + iIndex2 * 1, aucFpage);
472 if (iFodo <= 0) {
473 continue;
474 }
475
476 iLen = 2 * (int)ucGetByte(iFodo, aucFpage);
477
478 ucStc = ucGetByte(iFodo + 1, aucFpage);
479 usIstd = usStc2istd(ucStc);
480
481 vFillStyleFromStylesheet(usIstd, &tStyle);
482 vGet2StyleInfo(iFodo, aucFpage + 8, iLen - 8, &tStyle);
483 ulCharPos = ulGetLong(iIndex2 * 4, aucFpage);
484 NO_DBG_HEX(ulCharPos);
485 tStyle.ulFileOffset = ulCharPos;
486 vAdd2StyleInfoList(&tStyle);
487
488 eRowInfo = eGet2RowInfo(iFodo,
489 aucFpage + 8, iLen - 8, &tRow);
490
491 switch(eRowInfo) {
492 case found_a_cell:
493 if (ulCharPosFirst != CP_INVALID) {
494 break;
495 }
496 ulCharPosFirst = ulGetLong(
497 iIndex2 * 4, aucFpage);
498 DBG_HEX(ulCharPosFirst);
499 tRow.ulCharPosStart = ulCharPosFirst;
500 tRow.ulFileOffsetStart = ulCharPosFirst;
501 break;
502 case found_end_of_row:
503 ulCharPosLast = ulGetLong(
504 iIndex2 * 4, aucFpage);
505 DBG_HEX(ulCharPosLast);
506 tRow.ulCharPosEnd = ulCharPosLast;
507 /* Add 1 for compatiblity with Word 6 and up */
508 tRow.ulFileOffsetEnd = ulCharPosLast + 1;
509 vAdd2RowInfoList(&tRow);
510 (void)memset(&tRow, 0, sizeof(tRow));
511 ulCharPosFirst = CP_INVALID;
512 break;
513 case found_nothing:
514 break;
515 default:
516 DBG_DEC(eRowInfo);
517 break;
518 }
519 }
520 }
521 ausParfPage = xfree(ausParfPage);
522 } /* end of vGet2PapInfo */
523
524 /*
525 * Fill the font information block with information
526 * from a WinWord 1 file.
527 * Returns TRUE when successful, otherwise FALSE
528 */
529 void
530 vGet1FontInfo(int iFodo,
531 const UCHAR *aucGrpprl, size_t tBytes, font_block_type *pFont)
532 {
533 BOOL bIcoChange, bFtcChange, bHpsChange, bKulChange;
534 USHORT usTmp;
535 UCHAR ucTmp;
536 UCHAR aucChpx[12];
537
538 fail(iFodo < 0 || aucGrpprl == NULL || pFont == NULL);
539 fail(tBytes > sizeof(aucChpx));
540
541 NO_DBG_PRINT_BLOCK(aucGrpprl + iFodo, iBytes);
542
543 /* Build the CHPX structure */
544 (void)memset(aucChpx, 0, sizeof(aucChpx));
545 (void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
546
547 usTmp = usGetWord(0, aucChpx);
548 if ((usTmp & BIT(0)) != 0) {
549 pFont->ucFontstyle ^= FONT_BOLD;
550 }
551 if ((usTmp & BIT(1)) != 0) {
552 pFont->ucFontstyle ^= FONT_ITALIC;
553 }
554 if ((usTmp & BIT(2)) != 0) {
555 pFont->ucFontstyle ^= FONT_STRIKE;
556 }
557 if ((usTmp & BIT(5)) != 0) {
558 pFont->ucFontstyle ^= FONT_SMALL_CAPITALS;
559 }
560 if ((usTmp & BIT(6)) != 0) {
561 pFont->ucFontstyle ^= FONT_CAPITALS;
562 }
563 if ((usTmp & BIT(7)) != 0) {
564 pFont->ucFontstyle ^= FONT_HIDDEN;
565 }
566
567 ucTmp = ucGetByte(5, aucChpx);
568 DBG_MSG_C(ucTmp != 0 && ucTmp < 128, "Superscript");
569 DBG_MSG_C(ucTmp >= 128, "Subscript");
570
571 bIcoChange = (usTmp & BIT(10)) != 0;
572 bFtcChange = (usTmp & BIT(11)) != 0;
573 bHpsChange = (usTmp & BIT(12)) != 0;
574 bKulChange = (usTmp & BIT(13)) != 0;
575
576 if (bFtcChange) {
577 usTmp = usGetWord(2, aucChpx);
578 if (usTmp <= (USHORT)UCHAR_MAX) {
579 pFont->ucFontnumber = (UCHAR)usTmp;
580 } else {
581 pFont->ucFontnumber = 0;
582 }
583 }
584
585 if (bHpsChange) {
586 pFont->sFontsize = (short)ucGetByte(4, aucChpx);
587 }
588
589 if (bIcoChange || bKulChange) {
590 usTmp = usGetWord(6, aucChpx);
591 if (bIcoChange) {
592 pFont->ucFontcolor = (UCHAR)((usTmp & 0x0f00) >> 8);
593 if (pFont->ucFontcolor <= 7) {
594 /* Add 1 for compatibility with Word 2 and up */
595 pFont->ucFontcolor++;
596 } else {
597 DBG_DEC(pFont->ucFontcolor);
598 pFont->ucFontcolor = 0;
599 }
600 }
601 if (bKulChange) {
602 usTmp = (usTmp & 0x7000) >> 12;
603 DBG_DEC_C(usTmp > 4, usTmp);
604 if (usTmp == 0) {
605 pFont->ucFontstyle &= ~FONT_UNDERLINE;
606 } else {
607 pFont->ucFontstyle |= FONT_UNDERLINE;
608 }
609 }
610 }
611 } /* end of vGet1FontInfo */
612
613 /*
614 * Fill the font information block with information
615 * from a WinWord 1/2 file.
616 * Returns TRUE when successful, otherwise FALSE
617 */
618 void
619 vGet2FontInfo(int iFodo,
620 const UCHAR *aucGrpprl, size_t tBytes, font_block_type *pFont)
621 {
622 BOOL bIcoChange, bFtcChange, bHpsChange, bKulChange;
623 USHORT usTmp;
624 UCHAR ucTmp;
625 UCHAR aucChpx[18];
626
627 fail(iFodo < 0 || aucGrpprl == NULL || pFont == NULL);
628 fail(tBytes > sizeof(aucChpx));
629
630 NO_DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
631
632 /* Build the CHPX structure */
633 (void)memset(aucChpx, 0, sizeof(aucChpx));
634 (void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
635
636 usTmp = usGetWord(0, aucChpx);
637 if ((usTmp & BIT(0)) != 0) {
638 pFont->ucFontstyle ^= FONT_BOLD;
639 }
640 if ((usTmp & BIT(1)) != 0) {
641 pFont->ucFontstyle ^= FONT_ITALIC;
642 }
643 if (usTmp & BIT(3)) {
644 pFont->ucFontstyle ^= FONT_MARKDEL;
645 }
646 if ((usTmp & BIT(5)) != 0) {
647 pFont->ucFontstyle ^= FONT_SMALL_CAPITALS;
648 }
649 if ((usTmp & BIT(6)) != 0) {
650 pFont->ucFontstyle ^= FONT_CAPITALS;
651 }
652 if ((usTmp & BIT(7)) != 0) {
653 pFont->ucFontstyle ^= FONT_HIDDEN;
654 }
655 if (usTmp & BIT(10)) {
656 pFont->ucFontstyle ^= FONT_STRIKE;
657 }
658
659 ucTmp = ucGetByte(10, aucChpx);
660 DBG_MSG_C(ucTmp != 0 && ucTmp < 128, "Superscript");
661 DBG_MSG_C(ucTmp >= 128, "Subscript");
662
663 usTmp = usGetWord(2, aucChpx);
664 if (usTmp == 0) {
665 /* No changes, nothing to do */
666 return;
667 }
668
669 bIcoChange = (usTmp & BIT(0)) != 0;
670 bFtcChange = (usTmp & BIT(1)) != 0;
671 bHpsChange = (usTmp & BIT(2)) != 0;
672 bKulChange = (usTmp & BIT(3)) != 0;
673
674 if (bFtcChange) {
675 usTmp = usGetWord(4, aucChpx);
676 if (usTmp <= (USHORT)UCHAR_MAX) {
677 pFont->ucFontnumber = (UCHAR)usTmp;
678 } else {
679 pFont->ucFontnumber = 0;
680 }
681 }
682
683 if (bHpsChange) {
684 usTmp = usGetWord(6, aucChpx);
685 if (usTmp > (USHORT)SHRT_MAX) {
686 pFont->sFontsize = SHRT_MAX;
687 } else {
688 pFont->sFontsize = (short)usTmp;
689 }
690 }
691
692 if (bIcoChange || bKulChange) {
693 ucTmp = ucGetByte(9, aucChpx);
694 if (bIcoChange) {
695 pFont->ucFontcolor = ucTmp & 0x1f;
696 if (pFont->ucFontcolor > 16) {
697 DBG_DEC(pFont->ucFontcolor);
698 pFont->ucFontcolor = 0;
699 }
700 }
701 if (bKulChange) {
702 ucTmp = (ucTmp & 0xe0) >> 5;
703 DBG_DEC_C(ucTmp > 4, ucTmp);
704 if (ucTmp == 0) {
705 pFont->ucFontstyle &= ~FONT_UNDERLINE;
706 } else {
707 pFont->ucFontstyle |= FONT_UNDERLINE;
708 }
709 }
710 }
711 } /* end of vGet2FontInfo */
712
713 /*
714 * Fill the picture information block with information from a WinWord 1 file.
715 * Returns TRUE when successful, otherwise FALSE
716 */
717 static BOOL
718 bGet1PicInfo(int iFodo,
719 const UCHAR *aucGrpprl, size_t tBytes, picture_block_type *pPicture)
720 {
721 ULONG ulTmp;
722 UCHAR aucChpx[12];
723
724 fail(iFodo < 0 || aucGrpprl == NULL || pPicture == NULL);
725 fail(tBytes > sizeof(aucChpx));
726
727 DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
728
729 /* Build the CHPX structure */
730 (void)memset(aucChpx, 0, sizeof(aucChpx));
731 (void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
732
733 ulTmp = ulGetLong(8, aucChpx);
734 if (ulTmp != 0) {
735 pPicture->ulPictureOffset = ulTmp;
736 DBG_HEX(pPicture->ulPictureOffset);
737 return TRUE;
738 }
739 return FALSE;
740 } /* end of bGet1PicInfo */
741
742 /*
743 * Fill the picture information block with information from a WinWord 2 file.
744 * Returns TRUE when successful, otherwise FALSE
745 */
746 static BOOL
747 bGet2PicInfo(int iFodo,
748 const UCHAR *aucGrpprl, size_t tBytes, picture_block_type *pPicture)
749 {
750 ULONG ulTmp;
751 UCHAR aucChpx[18];
752
753 fail(iFodo < 0 || aucGrpprl == NULL || pPicture == NULL);
754 fail(tBytes > sizeof(aucChpx));
755
756 DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
757
758 /* Build the CHPX structure */
759 (void)memset(aucChpx, 0, sizeof(aucChpx));
760 (void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
761
762 ulTmp = ulGetLong(14, aucChpx);
763 if (ulTmp != 0) {
764 pPicture->ulPictureOffset = ulTmp;
765 DBG_HEX(pPicture->ulPictureOffset);
766 DBG_DEC(tBytes);
767 return TRUE;
768 }
769 return FALSE;
770 } /* end of bGet2PicInfo */
771
772 /*
773 * Build the lists with Character Information for WinWord 1/2 files
774 */
775 void
776 vGet2ChrInfo(FILE *pFile, int iWordVersion, const UCHAR *aucHeader)
777 {
778 font_block_type tFont;
779 picture_block_type tPicture;
780 USHORT *ausCharPage;
781 UCHAR *aucBuffer;
782 ULONG ulFileOffset, ulCharPos, ulBeginCharInfo;
783 size_t tCharInfoLen, tOffset, tSize, tChrLen, tCharPageNum;
784 size_t tLenOld, tLen;
785 int iIndex, iIndex2, iRun, iFodo;
786 BOOL bSuccess1, bSuccess2;
787 USHORT usCharFirstPage, usCount, usIstd;
788 UCHAR aucFpage[BIG_BLOCK_SIZE];
789
790 fail(pFile == NULL || aucHeader == NULL);
791 fail(iWordVersion != 1 && iWordVersion != 2);
792
793 ulBeginCharInfo = ulGetLong(0xa0, aucHeader); /* fcPlcfbteChpx */
794 DBG_HEX(ulBeginCharInfo);
795 tCharInfoLen = (size_t)usGetWord(0xa4, aucHeader); /* cbPlcfbteChpx */
796 DBG_DEC(tCharInfoLen);
797 if (tCharInfoLen < 4) {
798 DBG_DEC(tCharInfoLen);
799 }
800
801 aucBuffer = xmalloc(tCharInfoLen);
802 if (!bReadBytes(aucBuffer, tCharInfoLen, ulBeginCharInfo, pFile)) {
803 aucBuffer = xfree(aucBuffer);
804 return;
805 }
806 NO_DBG_PRINT_BLOCK(aucBuffer, tCharInfoLen);
807
808 tLen = (tCharInfoLen - 4) / 6;
809 tSize = tLen * sizeof(USHORT);
810 ausCharPage = xmalloc(tSize);
811 for (iIndex = 0, tOffset = (tLen + 1) * 4;
812 iIndex < (int)tLen;
813 iIndex++, tOffset += 2) {
814 ausCharPage[iIndex] = usGetWord(tOffset, aucBuffer);
815 NO_DBG_DEC(ausCharPage[iIndex]);
816 }
817 DBG_HEX(ulGetLong(0, aucBuffer));
818 aucBuffer = xfree(aucBuffer);
819 tCharPageNum = (size_t)usGetWord(0x142, aucHeader); /* cpnBteChp */
820 DBG_DEC(tCharPageNum);
821 if (tLen < tCharPageNum) {
822 /* Replace CharPage by a longer version */
823 tLenOld = tLen;
824 usCharFirstPage = usGetWord(0x13e, aucHeader); /* pnChrFirst */
825 NO_DBG_DEC(usCharFirstPage);
826 tLen += tCharPageNum - 1;
827 tSize = tLen * sizeof(USHORT);
828 ausCharPage = xrealloc(ausCharPage, tSize);
829 /* Add new values */
830 usCount = usCharFirstPage + 1;
831 for (iIndex = (int)tLenOld; iIndex < (int)tLen; iIndex++) {
832 ausCharPage[iIndex] = usCount;
833 NO_DBG_DEC(ausCharPage[iIndex]);
834 usCount++;
835 }
836 }
837
838 for (iIndex = 0; iIndex < (int)tLen; iIndex++) {
839 if (!bReadBytes(aucFpage, BIG_BLOCK_SIZE,
840 (ULONG)ausCharPage[iIndex] * BIG_BLOCK_SIZE,
841 pFile)) {
842 break;
843 }
844 NO_DBG_PRINT_BLOCK(aucFpage, BIG_BLOCK_SIZE);
845 iRun = (int)ucGetByte(0x1ff, aucFpage);
846 NO_DBG_DEC(iRun);
847 for (iIndex2 = 0; iIndex2 < iRun; iIndex2++) {
848 ulCharPos = ulGetLong(iIndex2 * 4, aucFpage);
849 ulFileOffset = ulCharPos;
850 iFodo = 2 * (int)ucGetByte(
851 (iRun + 1) * 4 + iIndex2, aucFpage);
852
853 tChrLen = (size_t)ucGetByte(iFodo, aucFpage);
854
855 usIstd = usGetIstd(ulFileOffset);
856 vFillFontFromStylesheet(usIstd, &tFont);
857 if (iFodo != 0) {
858 if (iWordVersion == 1) {
859 vGet1FontInfo(iFodo,
860 aucFpage + 1, tChrLen, &tFont);
861 } else if (iWordVersion == 2) {
862 vGet2FontInfo(iFodo,
863 aucFpage + 1, tChrLen, &tFont);
864 }
865 }
866 tFont.ulFileOffset = ulFileOffset;
867 vAdd2FontInfoList(&tFont);
868
869 if (iFodo <= 0) {
870 continue;
871 }
872
873 (void)memset(&tPicture, 0, sizeof(tPicture));
874 bSuccess1 = iWordVersion == 1 &&
875 bGet1PicInfo(iFodo, aucFpage + 1,
876 tChrLen, &tPicture);
877 bSuccess2 = iWordVersion == 2 &&
878 bGet2PicInfo(iFodo, aucFpage + 1,
879 tChrLen, &tPicture);
880 if (bSuccess1 || bSuccess2) {
881 tPicture.ulFileOffset = ulFileOffset;
882 tPicture.ulFileOffsetPicture =
883 tPicture.ulPictureOffset;
884 vAdd2PictInfoList(&tPicture);
885 }
886 }
887 }
888 ausCharPage = xfree(ausCharPage);
889 } /* end of vGet2ChrInfo */
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