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/*
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* prop0.c
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* Copyright (C) 2002-2004 A.J. van Os; Released under GNU GPL
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*
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* Description:
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* Read the property information from a Word for DOS file
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*/
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#include <string.h>
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#include <time.h>
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#include "antiword.h"
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/*
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* tConvertDosDate - convert DOS date format
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*
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* returns Unix time_t or -1
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*/
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static time_t
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tConvertDosDate(const char *szDosDate)
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{
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struct tm tTime;
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const char *pcTmp;
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time_t tResult;
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memset(&tTime, 0, sizeof(tTime));
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pcTmp = szDosDate;
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/* Get the month */
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if (!isdigit(*pcTmp)) {
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return (time_t)-1;
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}
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tTime.tm_mon = (int)(*pcTmp - '0');
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pcTmp++;
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if (isdigit(*pcTmp)) {
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tTime.tm_mon *= 10;
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tTime.tm_mon += (int)(*pcTmp - '0');
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pcTmp++;
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}
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/* Get the first separater */
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if (isalnum(*pcTmp)) {
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return (time_t)-1;
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}
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pcTmp++;
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/* Get the day */
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if (!isdigit(*pcTmp)) {
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return (time_t)-1;
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}
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tTime.tm_mday = (int)(*pcTmp - '0');
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pcTmp++;
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if (isdigit(*pcTmp)) {
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tTime.tm_mday *= 10;
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tTime.tm_mday += (int)(*pcTmp - '0');
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pcTmp++;
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}
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/* Get the second separater */
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if (isalnum(*pcTmp)) {
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return (time_t)-1;
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}
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pcTmp++;
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/* Get the year */
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if (!isdigit(*pcTmp)) {
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return (time_t)-1;
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}
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tTime.tm_year = (int)(*pcTmp - '0');
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pcTmp++;
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if (isdigit(*pcTmp)) {
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tTime.tm_year *= 10;
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tTime.tm_year += (int)(*pcTmp - '0');
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pcTmp++;
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}
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/* Check the values */
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if (tTime.tm_mon == 0 || tTime.tm_mday == 0 || tTime.tm_mday > 31) {
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return (time_t)-1;
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}
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/* Correct the values */
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tTime.tm_mon--; /* From 01-12 to 00-11 */
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if (tTime.tm_year < 80) {
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tTime.tm_year += 100; /* 00 means 2000 is 100 */
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}
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tTime.tm_isdst = -1;
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tResult = mktime(&tTime);
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NO_DBG_MSG(ctime(&tResult));
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return tResult;
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} /* end of tConvertDosDate */
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/*
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* Build the lists with Document Property Information for Word for DOS files
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*/
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void
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vGet0DopInfo(FILE *pFile, const UCHAR *aucHeader)
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{
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document_block_type tDocument;
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UCHAR *aucBuffer;
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ULONG ulBeginSumdInfo, ulBeginNextBlock;
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size_t tLen;
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USHORT usOffset;
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tDocument.ucHdrFtrSpecification = 0;
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tDocument.usDefaultTabWidth = usGetWord(0x70, aucHeader); /* dxaTab */
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tDocument.tCreateDate = (time_t)-1;
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tDocument.tRevisedDate = (time_t)-1;
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ulBeginSumdInfo = 128 * (ULONG)usGetWord(0x1c, aucHeader);
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DBG_HEX(ulBeginSumdInfo);
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ulBeginNextBlock = 128 * (ULONG)usGetWord(0x6a, aucHeader);
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DBG_HEX(ulBeginNextBlock);
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if (ulBeginSumdInfo < ulBeginNextBlock && ulBeginNextBlock != 0) {
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/* There is a summary information block */
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tLen = (size_t)(ulBeginNextBlock - ulBeginSumdInfo);
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aucBuffer = xmalloc(tLen);
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/* Read the summary information block */
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if (bReadBytes(aucBuffer, tLen, ulBeginSumdInfo, pFile)) {
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usOffset = usGetWord(12, aucBuffer);
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if (aucBuffer[usOffset] != 0) {
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NO_DBG_STRN(aucBuffer + usOffset, 8);
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tDocument.tRevisedDate =
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tConvertDosDate((char *)aucBuffer + usOffset);
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}
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usOffset = usGetWord(14, aucBuffer);
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if (aucBuffer[usOffset] != 0) {
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NO_DBG_STRN(aucBuffer + usOffset, 8);
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tDocument.tCreateDate =
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tConvertDosDate((char *)aucBuffer + usOffset);
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}
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}
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aucBuffer = xfree(aucBuffer);
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}
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vCreateDocumentInfoList(&tDocument);
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} /* end of vGet0DopInfo */
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/*
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* Fill the section information block with information
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* from a Word for DOS file.
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*/
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static void
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vGet0SectionInfo(const UCHAR *aucGrpprl, size_t tBytes,
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section_block_type *pSection)
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{
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USHORT usCcol;
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UCHAR ucTmp;
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fail(aucGrpprl == NULL || pSection == NULL);
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if (tBytes < 2) {
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return;
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}
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/* bkc */
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ucTmp = ucGetByte(1, aucGrpprl);
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DBG_HEX(ucTmp);
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ucTmp &= 0x07;
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DBG_HEX(ucTmp);
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pSection->bNewPage = ucTmp != 0 && ucTmp != 1;
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if (tBytes < 18) {
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return;
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}
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/* ccolM1 */
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usCcol = (USHORT)ucGetByte(17, aucGrpprl);
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DBG_DEC(usCcol);
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} /* end of vGet0SectionInfo */
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/*
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* Build the lists with Section Property Information for Word for DOS files
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*/
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void
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vGet0SepInfo(FILE *pFile, const UCHAR *aucHeader)
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{
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section_block_type tSection;
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UCHAR *aucBuffer;
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ULONG ulBeginOfText, ulTextOffset, ulBeginSectInfo;
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ULONG ulCharPos, ulSectPage, ulBeginNextBlock;
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size_t tSectInfoLen, tIndex, tSections, tBytes;
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UCHAR aucTmp[2], aucFpage[35];
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fail(pFile == NULL || aucHeader == NULL);
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ulBeginOfText = 128;
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NO_DBG_HEX(ulBeginOfText);
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ulBeginSectInfo = 128 * (ULONG)usGetWord(0x18, aucHeader);
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DBG_HEX(ulBeginSectInfo);
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ulBeginNextBlock = 128 * (ULONG)usGetWord(0x1a, aucHeader);
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DBG_HEX(ulBeginNextBlock);
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if (ulBeginSectInfo == ulBeginNextBlock) {
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/* There is no section information block */
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return;
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}
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/* Get the the number of sections */
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if (!bReadBytes(aucTmp, 2, ulBeginSectInfo, pFile)) {
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return;
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}
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tSections = (size_t)usGetWord(0, aucTmp);
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NO_DBG_DEC(tSections);
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/* Read the Section Descriptors */
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tSectInfoLen = 10 * tSections;
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NO_DBG_DEC(tSectInfoLen);
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aucBuffer = xmalloc(tSectInfoLen);
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if (!bReadBytes(aucBuffer, tSectInfoLen, ulBeginSectInfo + 4, pFile)) {
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aucBuffer = xfree(aucBuffer);
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return;
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}
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NO_DBG_PRINT_BLOCK(aucBuffer, tSectInfoLen);
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/* Read the Section Properties */
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for (tIndex = 0; tIndex < tSections; tIndex++) {
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ulTextOffset = ulGetLong(10 * tIndex, aucBuffer);
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NO_DBG_HEX(ulTextOffset);
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ulCharPos = ulBeginOfText + ulTextOffset;
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NO_DBG_HEX(ulTextOffset);
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ulSectPage = ulGetLong(10 * tIndex + 6, aucBuffer);
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NO_DBG_HEX(ulSectPage);
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if (ulSectPage == FC_INVALID || /* Must use defaults */
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ulSectPage < 128 || /* Should not happen */
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ulSectPage >= ulBeginSectInfo) { /* Should not happen */
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DBG_HEX_C(ulSectPage != FC_INVALID, ulSectPage);
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vDefault2SectionInfoList(ulCharPos);
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continue;
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}
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/* Get the number of bytes to read */
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if (!bReadBytes(aucTmp, 1, ulSectPage, pFile)) {
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continue;
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}
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tBytes = 1 + (size_t)ucGetByte(0, aucTmp);
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NO_DBG_DEC(tBytes);
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if (tBytes > sizeof(aucFpage)) {
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DBG_DEC(tBytes);
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tBytes = sizeof(aucFpage);
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}
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/* Read the bytes */
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if (!bReadBytes(aucFpage, tBytes, ulSectPage, pFile)) {
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continue;
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}
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NO_DBG_PRINT_BLOCK(aucFpage, tBytes);
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/* Process the bytes */
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vGetDefaultSection(&tSection);
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vGet0SectionInfo(aucFpage + 1, tBytes - 1, &tSection);
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vAdd2SectionInfoList(&tSection, ulCharPos);
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}
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/* Clean up before you leave */
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aucBuffer = xfree(aucBuffer);
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} /* end of vGet0SepInfo */
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/*
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* Fill the style information block with information
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* from a Word for DOS file.
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*/
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static void
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vGet0StyleInfo(int iFodo, const UCHAR *aucGrpprl, style_block_type *pStyle)
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{
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int iBytes;
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UCHAR ucTmp;
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fail(iFodo <= 0 || aucGrpprl == NULL || pStyle == NULL);
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pStyle->usIstdNext = ISTD_NORMAL;
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iBytes = (int)ucGetByte(iFodo, aucGrpprl);
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if (iBytes < 1) {
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return;
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}
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/* stc if styled */
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ucTmp = ucGetByte(iFodo + 1, aucGrpprl);
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if ((ucTmp & BIT(0)) != 0) {
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ucTmp >>= 1;
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if (ucTmp >= 88 && ucTmp <= 94) {
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/* Header levels 1 through 7 */
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pStyle->usIstd = ucTmp - 87;
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pStyle->ucNumLevel = 1;
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}
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}
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if (iBytes < 2) {
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return;
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}
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/* jc */
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ucTmp = ucGetByte(iFodo + 2, aucGrpprl);
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pStyle->ucAlignment = ucTmp & 0x02;
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278 |
if (iBytes < 3) {
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return;
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}
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281 |
/* stc */
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ucTmp = ucGetByte(iFodo + 3, aucGrpprl);
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ucTmp &= 0x7f;
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284 |
if (ucTmp >= 88 && ucTmp <= 94) {
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/* Header levels 1 through 7 */
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pStyle->usIstd = ucTmp - 87;
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pStyle->ucNumLevel = 1;
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288 |
}
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289 |
if (iBytes < 6) {
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290 |
return;
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}
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/* dxaRight */
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pStyle->sRightIndent = (short)usGetWord(iFodo + 5, aucGrpprl);
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NO_DBG_DEC(pStyle->sRightIndent);
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295 |
if (iBytes < 8) {
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return;
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297 |
}
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298 |
/* dxaLeft */
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299 |
pStyle->sLeftIndent = (short)usGetWord(iFodo + 7, aucGrpprl);
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300 |
NO_DBG_DEC(pStyle->sLeftIndent);
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301 |
if (iBytes < 10) {
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302 |
return;
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303 |
}
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304 |
/* dxaLeft1 */
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305 |
pStyle->sLeftIndent1 = (short)usGetWord(iFodo + 9, aucGrpprl);
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306 |
NO_DBG_DEC(pStyle->sLeftIndent1);
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307 |
if (iBytes < 14) {
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308 |
return;
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309 |
}
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310 |
/* dyaBefore */
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311 |
pStyle->usBeforeIndent = usGetWord(iFodo + 13, aucGrpprl);
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312 |
NO_DBG_DEC(pStyle->usBeforeIndent);
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313 |
if (iBytes < 16) {
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314 |
return;
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315 |
}
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316 |
/* dyaAfter */
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317 |
pStyle->usAfterIndent = usGetWord(iFodo + 15, aucGrpprl);
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318 |
NO_DBG_DEC(pStyle->usAfterIndent);
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319 |
} /* end of vGet0StyleInfo */
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320 |
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321 |
/*
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322 |
* Build the lists with Paragraph Information for Word for DOS files
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323 |
*/
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|
324 |
void
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|
325 |
vGet0PapInfo(FILE *pFile, const UCHAR *aucHeader)
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|
326 |
{
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|
327 |
style_block_type tStyle;
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|
328 |
ULONG ulBeginParfInfo, ulCharPos, ulCharPosNext;
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|
329 |
int iIndex, iRun, iFodo;
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|
330 |
UCHAR aucFpage[128];
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331 |
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332 |
fail(pFile == NULL || aucHeader == NULL);
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333 |
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334 |
ulBeginParfInfo = 128 * (ULONG)usGetWord(0x12, aucHeader);
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335 |
NO_DBG_HEX(ulBeginParfInfo);
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336 |
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337 |
do {
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338 |
if (!bReadBytes(aucFpage, 128, ulBeginParfInfo, pFile)) {
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339 |
return;
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340 |
}
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341 |
NO_DBG_PRINT_BLOCK(aucFpage, 128);
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342 |
ulCharPosNext = ulGetLong(0, aucFpage);
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343 |
iRun = (int)ucGetByte(0x7f, aucFpage);
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|
344 |
NO_DBG_DEC(iRun);
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345 |
for (iIndex = 0; iIndex < iRun; iIndex++) {
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|
346 |
iFodo = (int)usGetWord(6 * iIndex + 8, aucFpage);
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|
347 |
if (iFodo <= 0 || iFodo > 0x79) {
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|
348 |
DBG_DEC_C(iFodo != (int)0xffff, iFodo);
|
|
|
349 |
continue;
|
|
|
350 |
}
|
|
|
351 |
vFillStyleFromStylesheet(0, &tStyle);
|
|
|
352 |
vGet0StyleInfo(iFodo, aucFpage + 4, &tStyle);
|
|
|
353 |
ulCharPos = ulCharPosNext;
|
|
|
354 |
ulCharPosNext = ulGetLong(6 * iIndex + 4, aucFpage);
|
|
|
355 |
tStyle.ulFileOffset = ulCharPos;
|
|
|
356 |
vAdd2StyleInfoList(&tStyle);
|
|
|
357 |
}
|
|
|
358 |
ulBeginParfInfo += 128;
|
|
|
359 |
} while (ulCharPosNext == ulBeginParfInfo);
|
|
|
360 |
} /* end of vGet0PapInfo */
|
|
|
361 |
|
|
|
362 |
/*
|
|
|
363 |
* Fill the font information block with information
|
|
|
364 |
* from a Word for DOS file.
|
|
|
365 |
*/
|
|
|
366 |
static void
|
|
|
367 |
vGet0FontInfo(int iFodo, const UCHAR *aucGrpprl, font_block_type *pFont)
|
|
|
368 |
{
|
|
|
369 |
int iBytes;
|
|
|
370 |
UCHAR ucTmp;
|
|
|
371 |
|
|
|
372 |
fail(iFodo <= 0 || aucGrpprl == NULL || pFont == NULL);
|
|
|
373 |
|
|
|
374 |
iBytes = (int)ucGetByte(iFodo, aucGrpprl);
|
|
|
375 |
if (iBytes < 2) {
|
|
|
376 |
return;
|
|
|
377 |
}
|
|
|
378 |
/* fBold, fItalic, cFtc */
|
|
|
379 |
ucTmp = ucGetByte(iFodo + 2, aucGrpprl);
|
|
|
380 |
if ((ucTmp & BIT(0)) != 0) {
|
|
|
381 |
pFont->usFontStyle |= FONT_BOLD;
|
|
|
382 |
}
|
|
|
383 |
if ((ucTmp & BIT(1)) != 0) {
|
|
|
384 |
pFont->usFontStyle |= FONT_ITALIC;
|
|
|
385 |
}
|
|
|
386 |
pFont->ucFontNumber = ucTmp >> 2;
|
|
|
387 |
NO_DBG_DEC(pFont->ucFontNumber);
|
|
|
388 |
if (iBytes < 3) {
|
|
|
389 |
return;
|
|
|
390 |
}
|
|
|
391 |
/* cHps */
|
|
|
392 |
pFont->usFontSize = (USHORT)ucGetByte(iFodo + 3, aucGrpprl);
|
|
|
393 |
NO_DBG_DEC(pFont->usFontSize);
|
|
|
394 |
if (iBytes < 4) {
|
|
|
395 |
return;
|
|
|
396 |
}
|
|
|
397 |
/* cKul, fStrike, fCaps, fSmallCaps, fVanish */
|
|
|
398 |
ucTmp = ucGetByte(iFodo + 4, aucGrpprl);
|
|
|
399 |
if ((ucTmp & BIT(0)) != 0 || (ucTmp & BIT(2)) != 0) {
|
|
|
400 |
pFont->usFontStyle |= FONT_UNDERLINE;
|
|
|
401 |
}
|
|
|
402 |
if ((ucTmp & BIT(1)) != 0) {
|
|
|
403 |
pFont->usFontStyle |= FONT_STRIKE;
|
|
|
404 |
}
|
|
|
405 |
if ((ucTmp & BIT(4)) != 0) {
|
|
|
406 |
pFont->usFontStyle |= FONT_CAPITALS;
|
|
|
407 |
}
|
|
|
408 |
if ((ucTmp & BIT(5)) != 0) {
|
|
|
409 |
pFont->usFontStyle |= FONT_SMALL_CAPITALS;
|
|
|
410 |
}
|
|
|
411 |
if ((ucTmp & BIT(7)) != 0) {
|
|
|
412 |
pFont->usFontStyle |= FONT_HIDDEN;
|
|
|
413 |
}
|
|
|
414 |
DBG_HEX(pFont->usFontStyle);
|
|
|
415 |
if (iBytes < 6) {
|
|
|
416 |
return;
|
|
|
417 |
}
|
|
|
418 |
/* cIss */
|
|
|
419 |
ucTmp = ucGetByte(iFodo + 6, aucGrpprl);
|
|
|
420 |
if (ucTmp != 0) {
|
|
|
421 |
if (ucTmp < 128) {
|
|
|
422 |
pFont->usFontStyle |= FONT_SUPERSCRIPT;
|
|
|
423 |
DBG_MSG("Superscript");
|
|
|
424 |
} else {
|
|
|
425 |
pFont->usFontStyle |= FONT_SUBSCRIPT;
|
|
|
426 |
DBG_MSG("Subscript");
|
|
|
427 |
}
|
|
|
428 |
}
|
|
|
429 |
if (iBytes < 7) {
|
|
|
430 |
return;
|
|
|
431 |
}
|
|
|
432 |
/* cIco */
|
|
|
433 |
ucTmp = ucGetByte(iFodo + 7, aucGrpprl);
|
|
|
434 |
switch (ucTmp & 0x07) {
|
|
|
435 |
case 0: pFont->ucFontColor = FONT_COLOR_BLACK; break;
|
|
|
436 |
case 1: pFont->ucFontColor = FONT_COLOR_RED; break;
|
|
|
437 |
case 2: pFont->ucFontColor = FONT_COLOR_GREEN; break;
|
|
|
438 |
case 3: pFont->ucFontColor = FONT_COLOR_BLUE; break;
|
|
|
439 |
case 4: pFont->ucFontColor = FONT_COLOR_CYAN; break;
|
|
|
440 |
case 5: pFont->ucFontColor = FONT_COLOR_MAGENTA; break;
|
|
|
441 |
case 6: pFont->ucFontColor = FONT_COLOR_YELLOW; break;
|
|
|
442 |
case 7: pFont->ucFontColor = FONT_COLOR_WHITE; break;
|
|
|
443 |
default:pFont->ucFontColor = FONT_COLOR_BLACK; break;
|
|
|
444 |
}
|
|
|
445 |
NO_DBG_DEC(pFont->ucFontColor);
|
|
|
446 |
} /* end of vGet0FontInfo */
|
|
|
447 |
|
|
|
448 |
/*
|
|
|
449 |
* Build the lists with Character Information for Word for DOS files
|
|
|
450 |
*/
|
|
|
451 |
void
|
|
|
452 |
vGet0ChrInfo(FILE *pFile, const UCHAR *aucHeader)
|
|
|
453 |
{
|
|
|
454 |
font_block_type tFont;
|
|
|
455 |
ULONG ulBeginCharInfo, ulCharPos, ulCharPosNext;
|
|
|
456 |
int iIndex, iRun, iFodo;
|
|
|
457 |
UCHAR aucFpage[128];
|
|
|
458 |
|
|
|
459 |
fail(pFile == NULL || aucHeader == NULL);
|
|
|
460 |
|
|
|
461 |
ulBeginCharInfo = ulGetLong(0x0e, aucHeader);
|
|
|
462 |
NO_DBG_HEX(ulBeginCharInfo);
|
|
|
463 |
ulBeginCharInfo = ROUND128(ulBeginCharInfo);
|
|
|
464 |
NO_DBG_HEX(ulBeginCharInfo);
|
|
|
465 |
|
|
|
466 |
do {
|
|
|
467 |
if (!bReadBytes(aucFpage, 128, ulBeginCharInfo, pFile)) {
|
|
|
468 |
return;
|
|
|
469 |
}
|
|
|
470 |
NO_DBG_PRINT_BLOCK(aucFpage, 128);
|
|
|
471 |
ulCharPosNext = ulGetLong(0, aucFpage);
|
|
|
472 |
iRun = (int)ucGetByte(0x7f, aucFpage);
|
|
|
473 |
NO_DBG_DEC(iRun);
|
|
|
474 |
for (iIndex = 0; iIndex < iRun; iIndex++) {
|
|
|
475 |
iFodo = (int)usGetWord(6 * iIndex + 8, aucFpage);
|
|
|
476 |
if (iFodo <= 0 || iFodo > 0x79) {
|
|
|
477 |
DBG_DEC_C(iFodo != (int)0xffff, iFodo);
|
|
|
478 |
continue;
|
|
|
479 |
}
|
|
|
480 |
vFillFontFromStylesheet(0, &tFont);
|
|
|
481 |
vGet0FontInfo(iFodo, aucFpage + 4, &tFont);
|
|
|
482 |
ulCharPos = ulCharPosNext;
|
|
|
483 |
ulCharPosNext = ulGetLong(6 * iIndex + 4, aucFpage);
|
|
|
484 |
tFont.ulFileOffset = ulCharPos;
|
|
|
485 |
vAdd2FontInfoList(&tFont);
|
|
|
486 |
}
|
|
|
487 |
ulBeginCharInfo += 128;
|
|
|
488 |
} while (ulCharPosNext == ulBeginCharInfo);
|
|
|
489 |
} /* end of vGet0ChrInfo */
|