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antiword/prop2.c

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/*
* prop2.c
* Copyright (C) 2002-2005 A.J. van Os; Released under GPL
*
* Description:
* Read the property information from a WinWord 1 or 2 file
*/
#include <string.h>
#include "antiword.h"
#define MAX_FILESIZE 0x2000000UL /* 32 Mb */
/*
* iGet2InfoLength - the length of the information for WinWord 1/2 files
*/
static int
iGet2InfoLength(int iByteNbr, const UCHAR *aucGrpprl)
{
int iTmp, iDel, iAdd;
switch (ucGetByte(iByteNbr, aucGrpprl)) {
case 3: case 15: case 78: case 152: case 154: case 155:
return 2 + (int)ucGetByte(iByteNbr + 1, aucGrpprl);
case 16: case 17: case 18: case 19: case 21: case 22: case 26:
case 27: case 28: case 30: case 31: case 32: case 33: case 34:
case 35: case 36: case 38: case 39: case 40: case 41: case 42:
case 43: case 45: case 46: case 47: case 48: case 49: case 68:
case 71: case 72: case 82: case 83: case 96: case 97: case 98:
case 99: case 115: case 116: case 119: case 120: case 123: case 124:
case 129: case 130: case 131: case 132: case 135: case 136: case 139:
case 140: case 141: case 142: case 143: case 144: case 145: case 146:
case 147: case 148: case 153: case 159: case 161: case 162:
return 1 + 2;
case 23:
iTmp = (int)ucGetByte(iByteNbr + 1, aucGrpprl);
if (iTmp == 255) {
iDel = (int)ucGetByte(iByteNbr + 2, aucGrpprl);
iAdd = (int)ucGetByte(
iByteNbr + 3 + iDel * 4, aucGrpprl);
iTmp = 2 + iDel * 4 + iAdd * 3;
}
return 2 + iTmp;
case 70:
return 1 + 3;
case 95:
return 1 + 13;
case 157: case 163:
return 1 + 5;
case 158: case 160: case 164:
return 1 + 4;
default:
return 1 + 1;
}
} /* end of iGet2InfoLength */
/*
* Build the lists with Document Property Information for WinWord 1/2 files
*/
void
vGet2DopInfo(FILE *pFile, const UCHAR *aucHeader)
{
document_block_type tDocument;
UCHAR *aucBuffer;
ULONG ulBeginDocpInfo, ulTmp;
size_t tDocpInfoLen;
USHORT usTmp;
ulBeginDocpInfo = ulGetLong(0x112, aucHeader); /* fcDop */
DBG_HEX(ulBeginDocpInfo);
tDocpInfoLen = (size_t)usGetWord(0x116, aucHeader); /* cbDop */
DBG_DEC(tDocpInfoLen);
if (tDocpInfoLen < 28) {
DBG_MSG("No Document information");
return;
}
aucBuffer = xmalloc(tDocpInfoLen);
if (!bReadBytes(aucBuffer, tDocpInfoLen, ulBeginDocpInfo, pFile)) {
aucBuffer = xfree(aucBuffer);
return;
}
usTmp = usGetWord(0x00, aucBuffer);
tDocument.ucHdrFtrSpecification = (UCHAR)(usTmp >> 8); /* grpfIhdt */
tDocument.usDefaultTabWidth = usGetWord(0x0a, aucBuffer); /* dxaTab */
ulTmp = ulGetLong(0x14, aucBuffer); /* dttmCreated */
tDocument.tCreateDate = tConvertDTTM(ulTmp);
ulTmp = ulGetLong(0x18, aucBuffer); /* dttmRevised */
tDocument.tRevisedDate = tConvertDTTM(ulTmp);
vCreateDocumentInfoList(&tDocument);
aucBuffer = xfree(aucBuffer);
} /* end of vGet2DopInfo */
/*
* Fill the section information block with information
* from a WinWord 1/2 file.
*/
static void
vGet2SectionInfo(const UCHAR *aucGrpprl, size_t tBytes,
section_block_type *pSection)
{
int iFodoOff, iInfoLen;
USHORT usCcol;
UCHAR ucTmp;
fail(aucGrpprl == NULL || pSection == NULL);
iFodoOff = 0;
while (tBytes >= (size_t)iFodoOff + 1) {
switch (ucGetByte(iFodoOff, aucGrpprl)) {
case 117: /* bkc */
ucTmp = ucGetByte(iFodoOff + 1, aucGrpprl);
DBG_DEC(ucTmp);
pSection->bNewPage = ucTmp != 0 && ucTmp != 1;
break;
case 119: /* ccolM1 */
usCcol = 1 + usGetWord(iFodoOff + 1, aucGrpprl);
DBG_DEC(usCcol);
break;
case 128: /* grpfIhdt */
pSection->ucHdrFtrSpecification =
ucGetByte(iFodoOff + 1, aucGrpprl);
break;
default:
break;
}
iInfoLen = iGet2InfoLength(iFodoOff, aucGrpprl);
fail(iInfoLen <= 0);
iFodoOff += iInfoLen;
}
} /* end of vGet2SectionInfo */
/*
* Build the lists with Section Property Information for WinWord 1/2 files
*/
void
vGet2SepInfo(FILE *pFile, const UCHAR *aucHeader)
{
section_block_type tSection;
ULONG *aulSectPage, *aulCharPos;
UCHAR *aucBuffer, *aucFpage;
ULONG ulBeginOfText, ulTextOffset, ulBeginSectInfo;
size_t tSectInfoLen, tIndex, tOffset, tLen, tBytes;
UCHAR aucTmp[1];
fail(pFile == NULL || aucHeader == NULL);
ulBeginOfText = ulGetLong(0x18, aucHeader); /* fcMin */
NO_DBG_HEX(ulBeginOfText);
ulBeginSectInfo = ulGetLong(0x7c, aucHeader); /* fcPlcfsed */
DBG_HEX(ulBeginSectInfo);
tSectInfoLen = (size_t)usGetWord(0x80, aucHeader); /* cbPlcfsed */
DBG_DEC(tSectInfoLen);
if (tSectInfoLen < 4) {
DBG_DEC(tSectInfoLen);
return;
}
aucBuffer = xmalloc(tSectInfoLen);
if (!bReadBytes(aucBuffer, tSectInfoLen, ulBeginSectInfo, pFile)) {
aucBuffer = xfree(aucBuffer);
return;
}
NO_DBG_PRINT_BLOCK(aucBuffer, tSectInfoLen);
/* Read the Section Descriptors */
tLen = (tSectInfoLen - 4) / 10;
/* Save the section offsets */
aulCharPos = xcalloc(tLen, sizeof(ULONG));
for (tIndex = 0, tOffset = 0;
tIndex < tLen;
tIndex++, tOffset += 4) {
ulTextOffset = ulGetLong(tOffset, aucBuffer);
NO_DBG_HEX(ulTextOffset);
aulCharPos[tIndex] = ulBeginOfText + ulTextOffset;
NO_DBG_HEX(aulCharPos[tIndex]);
}
/* Save the Sepx offsets */
aulSectPage = xcalloc(tLen, sizeof(ULONG));
for (tIndex = 0, tOffset = (tLen + 1) * 4;
tIndex < tLen;
tIndex++, tOffset += 6) {
aulSectPage[tIndex] = ulGetLong(tOffset + 2, aucBuffer);
NO_DBG_HEX(aulSectPage[tIndex]); /* fcSepx */
}
aucBuffer = xfree(aucBuffer);
/* Read the Section Properties */
for (tIndex = 0; tIndex < tLen; tIndex++) {
if (aulSectPage[tIndex] == FC_INVALID) {
vDefault2SectionInfoList(aulCharPos[tIndex]);
continue;
}
/* Get the number of bytes to read */
if (!bReadBytes(aucTmp, 1, aulSectPage[tIndex], pFile)) {
continue;
}
tBytes = 1 + (size_t)ucGetByte(0, aucTmp);
NO_DBG_DEC(tBytes);
/* Read the bytes */
aucFpage = xmalloc(tBytes);
if (!bReadBytes(aucFpage, tBytes, aulSectPage[tIndex], pFile)) {
aucFpage = xfree(aucFpage);
continue;
}
NO_DBG_PRINT_BLOCK(aucFpage, tBytes);
/* Process the bytes */
vGetDefaultSection(&tSection);
vGet2SectionInfo(aucFpage + 1, tBytes - 1, &tSection);
vAdd2SectionInfoList(&tSection, aulCharPos[tIndex]);
aucFpage = xfree(aucFpage);
}
aulCharPos = xfree(aulCharPos);
aulSectPage = xfree(aulSectPage);
} /* end of vGet2SepInfo */
/*
* Build the list with Header/Footer Information for WinWord 1/2 files
*/
void
vGet2HdrFtrInfo(FILE *pFile, const UCHAR *aucHeader)
{
ULONG *aulCharPos;
UCHAR *aucBuffer;
ULONG ulHdrFtrOffset, ulBeginHdrFtrInfo;
size_t tHdrFtrInfoLen, tIndex, tOffset, tLen;
fail(pFile == NULL || aucHeader == NULL);
ulBeginHdrFtrInfo = ulGetLong(0x9a, aucHeader); /* fcPlcfhdd */
NO_DBG_HEX(ulBeginHdrFtrInfo);
tHdrFtrInfoLen = (size_t)usGetWord(0x9e, aucHeader); /* cbPlcfhdd */
NO_DBG_DEC(tHdrFtrInfoLen);
if (tHdrFtrInfoLen < 8) {
DBG_DEC_C(tHdrFtrInfoLen != 0, tHdrFtrInfoLen);
return;
}
aucBuffer = xmalloc(tHdrFtrInfoLen);
if (!bReadBytes(aucBuffer, tHdrFtrInfoLen, ulBeginHdrFtrInfo, pFile)) {
aucBuffer = xfree(aucBuffer);
return;
}
NO_DBG_PRINT_BLOCK(aucBuffer, tHdrFtrInfoLen);
tLen = tHdrFtrInfoLen / 4 - 1;
/* Save the header/footer offsets */
aulCharPos = xcalloc(tLen, sizeof(ULONG));
for (tIndex = 0, tOffset = 0;
tIndex < tLen;
tIndex++, tOffset += 4) {
ulHdrFtrOffset = ulGetLong(tOffset, aucBuffer);
NO_DBG_HEX(ulHdrFtrOffset);
aulCharPos[tIndex] = ulHdrFtrOffset2CharPos(ulHdrFtrOffset);
NO_DBG_HEX(aulCharPos[tIndex]);
}
vCreat2HdrFtrInfoList(aulCharPos, tLen);
aulCharPos = xfree(aulCharPos);
aucBuffer = xfree(aucBuffer);
} /* end of vGet2HdrFtrInfo */
/*
* Translate the rowinfo to a member of the row_info enumeration
*/
row_info_enum
eGet2RowInfo(int iFodo,
const UCHAR *aucGrpprl, int iBytes, row_block_type *pRow)
{
int iFodoOff, iInfoLen;
int iIndex, iSize, iCol;
int iPosCurr, iPosPrev;
USHORT usTmp;
BOOL bFound24_0, bFound24_1, bFound25_0, bFound25_1, bFound154;
fail(iFodo < 0 || aucGrpprl == NULL || pRow == NULL);
iFodoOff = 0;
bFound24_0 = FALSE;
bFound24_1 = FALSE;
bFound25_0 = FALSE;
bFound25_1 = FALSE;
bFound154 = FALSE;
while (iBytes >= iFodoOff + 1) {
iInfoLen = 0;
switch (ucGetByte(iFodo + iFodoOff, aucGrpprl)) {
case 24: /* fIntable */
if (odd(ucGetByte(iFodo + iFodoOff + 1, aucGrpprl))) {
bFound24_1 = TRUE;
} else {
bFound24_0 = TRUE;
}
break;
case 25: /* fTtp */
if (odd(ucGetByte(iFodo + iFodoOff + 1, aucGrpprl))) {
bFound25_1 = TRUE;
} else {
bFound25_0 = TRUE;
}
break;
case 30: /* brcTop10 */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x01ff;
NO_DBG_DEC(usTmp >> 6);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_TOP;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_TOP;
}
break;
case 31: /* brcLeft10 */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x01ff;
NO_DBG_DEC(usTmp >> 6);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_LEFT;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_LEFT;
}
break;
case 32: /* brcBottom10 */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x01ff;
NO_DBG_DEC(usTmp >> 6);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_BOTTOM;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_BOTTOM;
}
break;
case 33: /* brcRight10 */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x01ff;
NO_DBG_DEC(usTmp >> 6);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_RIGHT;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_RIGHT;
}
break;
case 38: /* brcTop */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x0018;
NO_DBG_DEC(usTmp >> 3);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_TOP;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_TOP;
}
break;
case 39: /* brcLeft */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x0018;
NO_DBG_DEC(usTmp >> 3);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_LEFT;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_LEFT;
}
break;
case 40: /* brcBottom */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x0018;
NO_DBG_DEC(usTmp >> 3);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_BOTTOM;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_BOTTOM;
}
break;
case 41: /* brcRight */
usTmp = usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
usTmp &= 0x0018;
NO_DBG_DEC(usTmp >> 3);
if (usTmp == 0) {
pRow->ucBorderInfo &= ~TABLE_BORDER_RIGHT;
} else {
pRow->ucBorderInfo |= TABLE_BORDER_RIGHT;
}
break;
case 152: /* cDefTable10 */
case 154: /* cDefTable */
iSize = (int)usGetWord(iFodo + iFodoOff + 1, aucGrpprl);
if (iSize < 6 || iBytes < iFodoOff + 7) {
DBG_DEC(iSize);
DBG_DEC(iBytes);
DBG_DEC(iFodoOff);
iInfoLen = 1;
break;
}
iCol = (int)ucGetByte(iFodo + iFodoOff + 3, aucGrpprl);
if (iCol < 1 ||
iBytes < iFodoOff + 3 + (iCol + 1) * 2) {
DBG_DEC(iCol);
DBG_DEC(iBytes);
DBG_DEC(iFodoOff);
DBG_DEC(ucGetByte(iFodo + iFodoOff, aucGrpprl));
iInfoLen = 1;
break;
}
if (iCol >= (int)elementsof(pRow->asColumnWidth)) {
DBG_DEC(iCol);
werr(1, "The number of columns is corrupt");
}
pRow->ucNumberOfColumns = (UCHAR)iCol;
iPosPrev = (int)(short)usGetWord(
iFodo + iFodoOff + 4,
aucGrpprl);
for (iIndex = 0; iIndex < iCol; iIndex++) {
iPosCurr = (int)(short)usGetWord(
iFodo + iFodoOff + 6 + iIndex * 2,
aucGrpprl);
pRow->asColumnWidth[iIndex] =
(short)(iPosCurr - iPosPrev);
iPosPrev = iPosCurr;
}
bFound154 = TRUE;
break;
default:
break;
}
if (iInfoLen <= 0) {
iInfoLen =
iGet2InfoLength(iFodo + iFodoOff, aucGrpprl);
fail(iInfoLen <= 0);
}
iFodoOff += iInfoLen;
}
if (bFound24_1 && bFound25_1 && bFound154) {
return found_end_of_row;
}
if (bFound24_0 && bFound25_0 && !bFound154) {
return found_not_end_of_row;
}
if (bFound24_1) {
return found_a_cell;
}
if (bFound24_0) {
return found_not_a_cell;
}
return found_nothing;
} /* end of eGet2RowInfo */
/*
* Fill the style information block with information
* from a WinWord 1/2 file.
*/
void
vGet2StyleInfo(int iFodo,
const UCHAR *aucGrpprl, int iBytes, style_block_type *pStyle)
{
int iFodoOff, iInfoLen;
int iTmp, iDel, iAdd;
short sTmp;
UCHAR ucTmp;
fail(iFodo < 0 || aucGrpprl == NULL || pStyle == NULL);
NO_DBG_DEC(pStyle->usIstd);
iFodoOff = 0;
while (iBytes >= iFodoOff + 1) {
iInfoLen = 0;
switch (ucGetByte(iFodo + iFodoOff, aucGrpprl)) {
case 2: /* istd */
sTmp = (short)ucGetByte(
iFodo + iFodoOff + 1, aucGrpprl);
NO_DBG_DEC(sTmp);
break;
case 5: /* jc */
pStyle->ucAlignment = ucGetByte(
iFodo + iFodoOff + 1, aucGrpprl);
break;
case 12: /* nfcSeqNumb */
pStyle->ucNFC = ucGetByte(
iFodo + iFodoOff + 1, aucGrpprl);
break;
case 13: /* nLvlAnm */
ucTmp = ucGetByte(iFodo + iFodoOff + 1, aucGrpprl);
pStyle->ucNumLevel = ucTmp;
pStyle->bNumPause =
eGetNumType(ucTmp) == level_type_pause;
break;
case 15: /* ChgTabsPapx */
case 23: /* ChgTabs */
iTmp = (int)ucGetByte(iFodo + iFodoOff + 1, aucGrpprl);
if (iTmp < 2) {
iInfoLen = 1;
break;
}
NO_DBG_DEC(iTmp);
iDel = (int)ucGetByte(iFodo + iFodoOff + 2, aucGrpprl);
if (iTmp < 2 + 2 * iDel) {
iInfoLen = 1;
break;
}
NO_DBG_DEC(iDel);
iAdd = (int)ucGetByte(
iFodo + iFodoOff + 3 + 2 * iDel, aucGrpprl);
if (iTmp < 2 + 2 * iDel + 2 * iAdd) {
iInfoLen = 1;
break;
}
NO_DBG_DEC(iAdd);
break;
case 16: /* dxaRight */
pStyle->sRightIndent = (short)usGetWord(
iFodo + iFodoOff + 1, aucGrpprl);
NO_DBG_DEC(pStyle->sRightIndent);
break;
case 17: /* dxaLeft */
pStyle->sLeftIndent = (short)usGetWord(
iFodo + iFodoOff + 1, aucGrpprl);
NO_DBG_DEC(pStyle->sLeftIndent);
break;
case 18: /* Nest dxaLeft */
sTmp = (short)usGetWord(
iFodo + iFodoOff + 1, aucGrpprl);
pStyle->sLeftIndent += sTmp;
if (pStyle->sLeftIndent < 0) {
pStyle->sLeftIndent = 0;
}
NO_DBG_DEC(sTmp);
NO_DBG_DEC(pStyle->sLeftIndent);
break;
case 19: /* dxaLeft1 */
pStyle->sLeftIndent1 = (short)usGetWord(
iFodo + iFodoOff + 1, aucGrpprl);
NO_DBG_DEC(pStyle->sLeftIndent1);
break;
case 21: /* dyaBefore */
pStyle->usBeforeIndent = usGetWord(
iFodo + iFodoOff + 1, aucGrpprl);
NO_DBG_DEC(pStyle->usBeforeIndent);
break;
case 22: /* dyaAfter */
pStyle->usAfterIndent = usGetWord(
iFodo + iFodoOff + 1, aucGrpprl);
NO_DBG_DEC(pStyle->usAfterIndent);
break;
default:
break;
}
if (iInfoLen <= 0) {
iInfoLen =
iGet2InfoLength(iFodo + iFodoOff, aucGrpprl);
fail(iInfoLen <= 0);
}
iFodoOff += iInfoLen;
}
} /* end of vGet2StyleInfo */
/*
* Build the lists with Paragraph Information for WinWord 1/2 files
*/
void
vGet2PapInfo(FILE *pFile, const UCHAR *aucHeader)
{
row_block_type tRow;
style_block_type tStyle;
USHORT *ausParfPage;
UCHAR *aucBuffer;
ULONG ulCharPos, ulCharPosFirst, ulCharPosLast;
ULONG ulBeginParfInfo;
size_t tParfInfoLen, tParfPageNum, tOffset, tSize, tLenOld, tLen;
int iIndex, iIndex2, iRun, iFodo, iLen;
row_info_enum eRowInfo;
USHORT usParfFirstPage, usCount, usIstd;
UCHAR ucStc;
UCHAR aucFpage[BIG_BLOCK_SIZE];
fail(pFile == NULL || aucHeader == NULL);
ulBeginParfInfo = ulGetLong(0xa6, aucHeader); /* fcPlcfbtePapx */
NO_DBG_HEX(ulBeginParfInfo);
tParfInfoLen = (size_t)usGetWord(0xaa, aucHeader); /* cbPlcfbtePapx */
NO_DBG_DEC(tParfInfoLen);
if (tParfInfoLen < 4) {
DBG_DEC(tParfInfoLen);
return;
}
aucBuffer = xmalloc(tParfInfoLen);
if (!bReadBytes(aucBuffer, tParfInfoLen, ulBeginParfInfo, pFile)) {
aucBuffer = xfree(aucBuffer);
return;
}
NO_DBG_PRINT_BLOCK(aucBuffer, tParfInfoLen);
tLen = (tParfInfoLen - 4) / 6;
ausParfPage = xcalloc(tLen, sizeof(USHORT));
for (iIndex = 0, tOffset = (tLen + 1) * 4;
iIndex < (int)tLen;
iIndex++, tOffset += 2) {
ausParfPage[iIndex] = usGetWord(tOffset, aucBuffer);
NO_DBG_DEC(ausParfPage[iIndex]);
}
DBG_HEX(ulGetLong(0, aucBuffer));
aucBuffer = xfree(aucBuffer);
tParfPageNum = (size_t)usGetWord(0x144, aucHeader); /* cpnBtePap */
DBG_DEC(tParfPageNum);
if (tLen < tParfPageNum) {
/* Replace ParfPage by a longer version */
tLenOld = tLen;
usParfFirstPage = usGetWord(0x140, aucHeader); /* pnPapFirst */
DBG_DEC(usParfFirstPage);
tLen += tParfPageNum - 1;
tSize = tLen * sizeof(USHORT);
ausParfPage = xrealloc(ausParfPage, tSize);
/* Add new values */
usCount = usParfFirstPage + 1;
for (iIndex = (int)tLenOld; iIndex < (int)tLen; iIndex++) {
ausParfPage[iIndex] = usCount;
NO_DBG_DEC(ausParfPage[iIndex]);
usCount++;
}
}
(void)memset(&tRow, 0, sizeof(tRow));
ulCharPosFirst = CP_INVALID;
for (iIndex = 0; iIndex < (int)tLen; iIndex++) {
if (!bReadBytes(aucFpage, BIG_BLOCK_SIZE,
(ULONG)ausParfPage[iIndex] * BIG_BLOCK_SIZE,
pFile)) {
break;
}
NO_DBG_PRINT_BLOCK(aucFpage, BIG_BLOCK_SIZE);
iRun = (int)ucGetByte(0x1ff, aucFpage);
NO_DBG_DEC(iRun);
for (iIndex2 = 0; iIndex2 < iRun; iIndex2++) {
if ((iRun + 1) * 4 + iIndex2 * 1 >= BIG_BLOCK_SIZE) {
break;
}
NO_DBG_HEX(ulGetLong(iIndex2 * 4, aucFpage));
iFodo = 2 * (int)ucGetByte(
(iRun + 1) * 4 + iIndex2 * 1, aucFpage);
if (iFodo <= 0) {
continue;
}
iLen = 2 * (int)ucGetByte(iFodo, aucFpage);
ucStc = ucGetByte(iFodo + 1, aucFpage);
usIstd = usStc2istd(ucStc);
vFillStyleFromStylesheet(usIstd, &tStyle);
vGet2StyleInfo(iFodo, aucFpage + 8, iLen - 8, &tStyle);
ulCharPos = ulGetLong(iIndex2 * 4, aucFpage);
NO_DBG_HEX(ulCharPos);
tStyle.ulFileOffset = ulCharPos;
vAdd2StyleInfoList(&tStyle);
eRowInfo = eGet2RowInfo(iFodo,
aucFpage + 8, iLen - 8, &tRow);
switch(eRowInfo) {
case found_a_cell:
if (ulCharPosFirst != CP_INVALID) {
break;
}
ulCharPosFirst = ulGetLong(
iIndex2 * 4, aucFpage);
NO_DBG_HEX(ulCharPosFirst);
tRow.ulCharPosStart = ulCharPosFirst;
tRow.ulFileOffsetStart = ulCharPosFirst;
break;
case found_end_of_row:
ulCharPosLast = ulGetLong(
iIndex2 * 4, aucFpage);
NO_DBG_HEX(ulCharPosLast);
tRow.ulCharPosEnd = ulCharPosLast;
/* Add 1 for compatiblity with Word 6 and up */
tRow.ulFileOffsetEnd = ulCharPosLast + 1;
vAdd2RowInfoList(&tRow);
(void)memset(&tRow, 0, sizeof(tRow));
ulCharPosFirst = CP_INVALID;
break;
case found_nothing:
break;
default:
DBG_DEC(eRowInfo);
break;
}
}
}
ausParfPage = xfree(ausParfPage);
} /* end of vGet2PapInfo */
/*
* Fill the font information block with information
* from a WinWord 1 file.
*/
void
vGet1FontInfo(int iFodo,
const UCHAR *aucGrpprl, size_t tBytes, font_block_type *pFont)
{
BOOL bIcoChange, bFtcChange, bHpsChange, bKulChange;
USHORT usTmp;
UCHAR ucTmp;
UCHAR aucChpx[12];
fail(iFodo < 0 || aucGrpprl == NULL || pFont == NULL);
if (tBytes > sizeof(aucChpx)) {
NO_DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
return;
}
/* Build the CHPX structure */
(void)memset(aucChpx, 0, sizeof(aucChpx));
(void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
usTmp = usGetWord(0, aucChpx);
if ((usTmp & BIT(0)) != 0) {
pFont->usFontStyle ^= FONT_BOLD;
}
if ((usTmp & BIT(1)) != 0) {
pFont->usFontStyle ^= FONT_ITALIC;
}
if ((usTmp & BIT(2)) != 0) {
pFont->usFontStyle ^= FONT_STRIKE;
}
if ((usTmp & BIT(5)) != 0) {
pFont->usFontStyle ^= FONT_SMALL_CAPITALS;
}
if ((usTmp & BIT(6)) != 0) {
pFont->usFontStyle ^= FONT_CAPITALS;
}
if ((usTmp & BIT(7)) != 0) {
pFont->usFontStyle ^= FONT_HIDDEN;
}
ucTmp = ucGetByte(5, aucChpx);
if (ucTmp != 0) {
if (ucTmp < 128) {
pFont->usFontStyle |= FONT_SUPERSCRIPT;
DBG_MSG("Superscript");
} else {
pFont->usFontStyle |= FONT_SUBSCRIPT;
DBG_MSG("Subscript");
}
}
bIcoChange = (usTmp & BIT(10)) != 0;
bFtcChange = (usTmp & BIT(11)) != 0;
bHpsChange = (usTmp & BIT(12)) != 0;
bKulChange = (usTmp & BIT(13)) != 0;
if (bFtcChange) {
usTmp = usGetWord(2, aucChpx);
if (usTmp <= (USHORT)UCHAR_MAX) {
pFont->ucFontNumber = (UCHAR)usTmp;
} else {
pFont->ucFontNumber = 0;
}
}
if (bHpsChange) {
pFont->usFontSize = (USHORT)ucGetByte(4, aucChpx);
}
if (bIcoChange || bKulChange) {
usTmp = usGetWord(6, aucChpx);
if (bIcoChange) {
pFont->ucFontColor = (UCHAR)((usTmp & 0x0f00) >> 8);
if (pFont->ucFontColor <= 7) {
/* Add 1 for compatibility with Word 2 and up */
pFont->ucFontColor++;
} else {
DBG_DEC(pFont->ucFontColor);
pFont->ucFontColor = 0;
}
}
if (bKulChange) {
usTmp = (usTmp & 0x7000) >> 12;
DBG_DEC_C(usTmp > 4, usTmp);
if (usTmp == 0) {
pFont->usFontStyle &= ~FONT_UNDERLINE;
} else {
pFont->usFontStyle |= FONT_UNDERLINE;
}
}
}
} /* end of vGet1FontInfo */
/*
* Fill the font information block with information
* from a WinWord 1/2 file.
*/
void
vGet2FontInfo(int iFodo,
const UCHAR *aucGrpprl, size_t tBytes, font_block_type *pFont)
{
BOOL bIcoChange, bFtcChange, bHpsChange, bKulChange;
USHORT usTmp;
UCHAR ucTmp;
UCHAR aucChpx[18];
fail(iFodo < 0 || aucGrpprl == NULL || pFont == NULL);
if (tBytes > sizeof(aucChpx)) {
NO_DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
return;
}
/* Build the CHPX structure */
(void)memset(aucChpx, 0, sizeof(aucChpx));
(void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
usTmp = usGetWord(0, aucChpx);
if ((usTmp & BIT(0)) != 0) {
pFont->usFontStyle ^= FONT_BOLD;
}
if ((usTmp & BIT(1)) != 0) {
pFont->usFontStyle ^= FONT_ITALIC;
}
if (usTmp & BIT(3)) {
pFont->usFontStyle ^= FONT_MARKDEL;
}
if ((usTmp & BIT(5)) != 0) {
pFont->usFontStyle ^= FONT_SMALL_CAPITALS;
}
if ((usTmp & BIT(6)) != 0) {
pFont->usFontStyle ^= FONT_CAPITALS;
}
if ((usTmp & BIT(7)) != 0) {
pFont->usFontStyle ^= FONT_HIDDEN;
}
if (usTmp & BIT(10)) {
pFont->usFontStyle ^= FONT_STRIKE;
}
ucTmp = ucGetByte(10, aucChpx);
DBG_MSG_C(ucTmp != 0 && ucTmp < 128, "Superscript");
DBG_MSG_C(ucTmp >= 128, "Subscript");
usTmp = usGetWord(2, aucChpx);
if (usTmp == 0) {
/* No changes, nothing to do */
return;
}
bIcoChange = (usTmp & BIT(0)) != 0;
bFtcChange = (usTmp & BIT(1)) != 0;
bHpsChange = (usTmp & BIT(2)) != 0;
bKulChange = (usTmp & BIT(3)) != 0;
if (bFtcChange) {
usTmp = usGetWord(4, aucChpx);
if (usTmp <= (USHORT)UCHAR_MAX) {
pFont->ucFontNumber = (UCHAR)usTmp;
} else {
pFont->ucFontNumber = 0;
}
}
if (bHpsChange) {
pFont->usFontSize = usGetWord(6, aucChpx);
}
if (bIcoChange || bKulChange) {
ucTmp = ucGetByte(9, aucChpx);
if (bIcoChange) {
pFont->ucFontColor = ucTmp & 0x1f;
if (pFont->ucFontColor > 16) {
DBG_DEC(pFont->ucFontColor);
pFont->ucFontColor = 0;
}
}
if (bKulChange) {
ucTmp = (ucTmp & 0xe0) >> 5;
DBG_DEC_C(ucTmp > 4, ucTmp);
if (ucTmp == 0) {
pFont->usFontStyle &= ~FONT_UNDERLINE;
} else {
pFont->usFontStyle |= FONT_UNDERLINE;
}
}
}
} /* end of vGet2FontInfo */
/*
* Fill the picture information block with information from a WinWord 1 file.
* Returns TRUE when successful, otherwise FALSE
*/
static BOOL
bGet1PicInfo(int iFodo,
const UCHAR *aucGrpprl, size_t tBytes, picture_block_type *pPicture)
{
ULONG ulTmp;
UCHAR aucChpx[12];
fail(iFodo < 0 || aucGrpprl == NULL || pPicture == NULL);
if (tBytes > sizeof(aucChpx)) {
NO_DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
tBytes = sizeof(aucChpx);
}
/* Build the CHPX structure */
(void)memset(aucChpx, 0, sizeof(aucChpx));
(void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
ulTmp = ulGetLong(8, aucChpx);
if (ulTmp != 0 && ulTmp < MAX_FILESIZE) {
pPicture->ulPictureOffset = ulTmp;
DBG_HEX(pPicture->ulPictureOffset);
return TRUE;
}
return FALSE;
} /* end of bGet1PicInfo */
/*
* Fill the picture information block with information from a WinWord 2 file.
* Returns TRUE when successful, otherwise FALSE
*/
static BOOL
bGet2PicInfo(int iFodo,
const UCHAR *aucGrpprl, size_t tBytes, picture_block_type *pPicture)
{
ULONG ulTmp;
UCHAR aucChpx[18];
fail(iFodo < 0 || aucGrpprl == NULL || pPicture == NULL);
if (tBytes > sizeof(aucChpx)) {
NO_DBG_PRINT_BLOCK(aucGrpprl + iFodo, tBytes);
tBytes = sizeof(aucChpx);
}
/* Build the CHPX structure */
(void)memset(aucChpx, 0, sizeof(aucChpx));
(void)memcpy(aucChpx, aucGrpprl + iFodo, min(tBytes, sizeof(aucChpx)));
ulTmp = ulGetLong(14, aucChpx);
if (ulTmp != 0 && ulTmp < MAX_FILESIZE) {
pPicture->ulPictureOffset = ulTmp;
DBG_HEX(pPicture->ulPictureOffset);
DBG_DEC(tBytes);
return TRUE;
}
return FALSE;
} /* end of bGet2PicInfo */
/*
* Build the lists with Character Information for WinWord 1/2 files
*/
void
vGet2ChrInfo(FILE *pFile, int iWordVersion, const UCHAR *aucHeader)
{
font_block_type tFont;
picture_block_type tPicture;
USHORT *ausCharPage;
UCHAR *aucBuffer;
ULONG ulFileOffset, ulCharPos, ulBeginCharInfo;
size_t tCharInfoLen, tOffset, tSize, tChrLen, tCharPageNum;
size_t tLenOld, tLen;
int iIndex, iIndex2, iRun, iFodo;
BOOL bSuccess1, bSuccess2;
USHORT usCharFirstPage, usCount, usIstd;
UCHAR aucFpage[BIG_BLOCK_SIZE];
fail(pFile == NULL || aucHeader == NULL);
fail(iWordVersion != 1 && iWordVersion != 2);
ulBeginCharInfo = ulGetLong(0xa0, aucHeader); /* fcPlcfbteChpx */
DBG_HEX(ulBeginCharInfo);
tCharInfoLen = (size_t)usGetWord(0xa4, aucHeader); /* cbPlcfbteChpx */
DBG_DEC(tCharInfoLen);
if (tCharInfoLen < 4) {
DBG_DEC(tCharInfoLen);
return;
}
aucBuffer = xmalloc(tCharInfoLen);
if (!bReadBytes(aucBuffer, tCharInfoLen, ulBeginCharInfo, pFile)) {
aucBuffer = xfree(aucBuffer);
return;
}
NO_DBG_PRINT_BLOCK(aucBuffer, tCharInfoLen);
tLen = (tCharInfoLen - 4) / 6;
ausCharPage = xcalloc(tLen, sizeof(USHORT));
for (iIndex = 0, tOffset = (tLen + 1) * 4;
iIndex < (int)tLen;
iIndex++, tOffset += 2) {
ausCharPage[iIndex] = usGetWord(tOffset, aucBuffer);
NO_DBG_DEC(ausCharPage[iIndex]);
}
DBG_HEX(ulGetLong(0, aucBuffer));
aucBuffer = xfree(aucBuffer);
tCharPageNum = (size_t)usGetWord(0x142, aucHeader); /* cpnBteChp */
DBG_DEC(tCharPageNum);
if (tLen < tCharPageNum) {
/* Replace CharPage by a longer version */
tLenOld = tLen;
usCharFirstPage = usGetWord(0x13e, aucHeader); /* pnChrFirst */
NO_DBG_DEC(usCharFirstPage);
tLen += tCharPageNum - 1;
tSize = tLen * sizeof(USHORT);
ausCharPage = xrealloc(ausCharPage, tSize);
/* Add new values */
usCount = usCharFirstPage + 1;
for (iIndex = (int)tLenOld; iIndex < (int)tLen; iIndex++) {
ausCharPage[iIndex] = usCount;
NO_DBG_DEC(ausCharPage[iIndex]);
usCount++;
}
}
for (iIndex = 0; iIndex < (int)tLen; iIndex++) {
if (!bReadBytes(aucFpage, BIG_BLOCK_SIZE,
(ULONG)ausCharPage[iIndex] * BIG_BLOCK_SIZE,
pFile)) {
break;
}
NO_DBG_PRINT_BLOCK(aucFpage, BIG_BLOCK_SIZE);
iRun = (int)ucGetByte(0x1ff, aucFpage);
NO_DBG_DEC(iRun);
for (iIndex2 = 0; iIndex2 < iRun; iIndex2++) {
if ((iRun + 1) * 4 + iIndex2 >= BIG_BLOCK_SIZE) {
break;
}
ulCharPos = ulGetLong(iIndex2 * 4, aucFpage);
ulFileOffset = ulCharPos;
iFodo = 2 * (int)ucGetByte(
(iRun + 1) * 4 + iIndex2, aucFpage);
tChrLen = (size_t)ucGetByte(iFodo, aucFpage);
usIstd = usGetIstd(ulFileOffset);
vFillFontFromStylesheet(usIstd, &tFont);
if (iFodo != 0) {
if (iWordVersion == 1) {
vGet1FontInfo(iFodo,
aucFpage + 1, tChrLen, &tFont);
} else if (iWordVersion == 2) {
vGet2FontInfo(iFodo,
aucFpage + 1, tChrLen, &tFont);
}
}
tFont.ulFileOffset = ulFileOffset;
vAdd2FontInfoList(&tFont);
if (iFodo <= 0) {
continue;
}
(void)memset(&tPicture, 0, sizeof(tPicture));
bSuccess1 = iWordVersion == 1 &&
bGet1PicInfo(iFodo, aucFpage + 1,
tChrLen, &tPicture);
bSuccess2 = iWordVersion == 2 &&
bGet2PicInfo(iFodo, aucFpage + 1,
tChrLen, &tPicture);
if (bSuccess1 || bSuccess2) {
tPicture.ulFileOffset = ulFileOffset;
tPicture.ulFileOffsetPicture =
tPicture.ulPictureOffset;
vAdd2PictInfoList(&tPicture);
}
}
}
ausCharPage = xfree(ausCharPage);
} /* end of vGet2ChrInfo */
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