ref: 9ced712a2ad70557a8ceb89ff3b969b92c85f68c
dir: /sys/src/cmd/aux/antiword/xml.c/
/*
* xml.c
* Copyright (C) 2002-2005 A.J. van Os; Released under GNU GPL
*
* Description:
* Functions to deal with the XML/DocBook format
*
*/
#include <string.h>
#include "antiword.h"
#define vAddEndTagsUntil1(p,t) vAddEndTagsUntil2(p,t,TAG_NOTAG)
#if defined(DEBUG)
#define vStackTrace() __vStackTrace(__LINE__)
#else
#define vStackTrace() /* EMPTY */
#endif /* DEBUG */
/* The character set */
static encoding_type eEncoding = encoding_neutral;
/* Word version */
static int iWordVersion = -1;
/* Special treatment for files from Word 4/5/6 on an Apple Macintosh */
static BOOL bOldMacFile = FALSE;
/* Text is emphasised */
static BOOL bEmphasisOpen = FALSE;
/* Text is superscript */
static BOOL bSuperscriptOpen = FALSE;
/* Text is subscript */
static BOOL bSubscriptOpen = FALSE;
/* Title is open */
static BOOL bTitleOpen = FALSE;
/* Table is open */
static BOOL bTableOpen = FALSE;
/* Footnote is open */
static BOOL bFootnoteOpen = FALSE;
/* Current paragraph level */
static UINT uiParagraphLevel = 0;
/* Current list level */
static UINT uiListLevel = 0;
/* Current list level is still empty */
static BOOL bEmptyListLevel = TRUE;
/* Current header level */
static USHORT usHeaderLevelCurrent = 0;
/* Current header level is still empty */
static BOOL bEmptyHeaderLevel = TRUE;
/* Number of columns in the current table */
static int iTableColumnsCurrent = 0;
/* Footnote number */
static UINT uiFootnoteNumber = 0;
/* Constants for the stack */
#define INITIAL_STACK_SIZE 10
#if defined(DEBUG)
#define EXTENSION_STACK_SIZE 2
#else
#define EXTENSION_STACK_SIZE 10
#endif /* DEBUG */
/* Variables for the stack */
static UCHAR *aucStack = NULL;
static size_t tStacksize = 0;
static size_t tStackNextFree = 0;
/* Constants for the tags */
#define TAG_NOTAG (UCHAR)0
#define TAG_AUTHOR (UCHAR)1
#define TAG_BEGINPAGE (UCHAR)2
#define TAG_BOOK (UCHAR)3
#define TAG_BOOKINFO (UCHAR)4
#define TAG_CHAPTER (UCHAR)5
#define TAG_COLSPEC (UCHAR)6
#define TAG_CORPNAME (UCHAR)7
#define TAG_DATE (UCHAR)8
#define TAG_EMPHASIS (UCHAR)9
#define TAG_ENTRY (UCHAR)10
#define TAG_FILENAME (UCHAR)11
#define TAG_FOOTNOTE (UCHAR)12
#define TAG_INFORMALTABLE (UCHAR)13
#define TAG_ITEMIZEDLIST (UCHAR)14
#define TAG_LISTITEM (UCHAR)15
#define TAG_ORDEREDLIST (UCHAR)16
#define TAG_PARA (UCHAR)17
#define TAG_ROW (UCHAR)18
#define TAG_SECT1 (UCHAR)19
#define TAG_SECT2 (UCHAR)20
#define TAG_SECT3 (UCHAR)21
#define TAG_SECT4 (UCHAR)22
#define TAG_SECT5 (UCHAR)23
#define TAG_SUBSCRIPT (UCHAR)24
#define TAG_SUBTITLE (UCHAR)25
#define TAG_SUPERSCRIPT (UCHAR)26
#define TAG_SURNAME (UCHAR)27
#define TAG_TBODY (UCHAR)28
#define TAG_TGROUP (UCHAR)29
#define TAG_TITLE (UCHAR)30
typedef struct docbooktags_tag {
UCHAR ucTagnumber;
char szTagname[15];
BOOL bAddNewlineStart;
BOOL bAddNewlineEnd;
} docbooktags_type;
static const docbooktags_type atDocBookTags[] = {
{ TAG_NOTAG, "!ERROR!", TRUE, TRUE },
{ TAG_AUTHOR, "author", TRUE, TRUE },
{ TAG_BEGINPAGE, "beginpage", TRUE, TRUE },
{ TAG_BOOK, "book", TRUE, TRUE },
{ TAG_BOOKINFO, "bookinfo", TRUE, TRUE },
{ TAG_CHAPTER, "chapter", TRUE, TRUE },
{ TAG_COLSPEC, "colspec", TRUE, TRUE },
{ TAG_CORPNAME, "corpname", FALSE, FALSE },
{ TAG_DATE, "date", FALSE, FALSE },
{ TAG_EMPHASIS, "emphasis", FALSE, FALSE },
{ TAG_ENTRY, "entry", TRUE, TRUE },
{ TAG_FILENAME, "filename", FALSE, FALSE },
{ TAG_FOOTNOTE, "footnote", FALSE, FALSE },
{ TAG_INFORMALTABLE, "informaltable",TRUE, TRUE },
{ TAG_ITEMIZEDLIST, "itemizedlist", TRUE, TRUE },
{ TAG_LISTITEM, "listitem", TRUE, TRUE },
{ TAG_ORDEREDLIST, "orderedlist", TRUE, TRUE },
{ TAG_PARA, "para", TRUE, TRUE },
{ TAG_ROW, "row", TRUE, TRUE },
{ TAG_SECT1, "sect1", TRUE, TRUE },
{ TAG_SECT2, "sect2", TRUE, TRUE },
{ TAG_SECT3, "sect3", TRUE, TRUE },
{ TAG_SECT4, "sect4", TRUE, TRUE },
{ TAG_SECT5, "sect5", TRUE, TRUE },
{ TAG_SUBSCRIPT, "subscript", FALSE, FALSE },
{ TAG_SUBTITLE, "subtitle", FALSE, FALSE },
{ TAG_SUPERSCRIPT, "superscript", FALSE, FALSE },
{ TAG_SURNAME, "surname", FALSE, FALSE },
{ TAG_TBODY, "tbody", TRUE, TRUE },
{ TAG_TGROUP, "tgroup", TRUE, TRUE },
{ TAG_TITLE, "title", FALSE, FALSE },
};
static void vAddStartTag(diagram_type *, UCHAR, const char *);
static void vAddEndTag(diagram_type *, UCHAR);
static void vAddCombinedTag(diagram_type *, UCHAR, const char *);
static void vPrintChar(diagram_type *, char);
#if defined(DEBUG)
/*
* vCheckTagTable - check the tag table
*/
static void
vCheckTagTable(void)
{
size_t tIndex;
for (tIndex = 0; tIndex < elementsof(atDocBookTags); tIndex++) {
if (tIndex != (size_t)atDocBookTags[tIndex].ucTagnumber) {
DBG_DEC(tIndex);
werr(1, "Array atDocBookTags is broken");
}
}
} /* end of vCheckTagTable */
/*
* __vStackTrace - show a stack trace
*/
static void
__vStackTrace(int iLine)
{
int iIndex;
fprintf(stderr, "%s[%3d]:\n", __FILE__, iLine);
if (tStackNextFree == 0) {
fprintf(stderr, "The stack is empty\n");
return;
}
for (iIndex = (int)tStackNextFree - 1; iIndex >= 0; iIndex--) {
fprintf(stderr, "%2d: %2d: '%s'\n",
iIndex,
(int)atDocBookTags[(UINT)aucStack[iIndex]].ucTagnumber,
atDocBookTags[(UINT)aucStack[iIndex]].szTagname);
}
} /* end of __vStackTrace */
#endif /* DEBUG */
/*
* vPushStack - push a tag onto the stack
*/
static void
vPushStack(UCHAR ucTag)
{
fail(tStackNextFree > tStacksize);
if (tStackNextFree == tStacksize) {
/* The stack is full; enlarge the stack */
tStacksize += EXTENSION_STACK_SIZE;
aucStack = xrealloc(aucStack, tStacksize * sizeof(UCHAR));
DBG_DEC(tStacksize);
}
fail(tStackNextFree >= tStacksize);
aucStack[tStackNextFree++] = ucTag;
} /* end of vPushStack */
/*
* vPopStack - pop a tag from the stack
*/
static UCHAR
ucPopStack(void)
{
DBG_DEC_C(tStackNextFree > tStacksize, tStackNextFree);
DBG_DEC_C(tStackNextFree > tStacksize, tStacksize);
fail(tStackNextFree > tStacksize);
fail(tStackNextFree == 0);
if (tStackNextFree == 0) {
werr(1, "The stack is empty, unable to continue");
return TAG_NOTAG;
}
return aucStack[--tStackNextFree];
} /* end of ucPopStack */
/*
* vReadStack - read a tag from the top of the stack
*/
static UCHAR
ucReadStack(void)
{
DBG_DEC_C(tStackNextFree > tStacksize, tStackNextFree);
DBG_DEC_C(tStackNextFree > tStacksize, tStacksize);
fail(tStackNextFree > tStacksize);
if (tStackNextFree == 0) {
/* The stack is empty */
return TAG_NOTAG;
}
return aucStack[tStackNextFree - 1];
} /* end of ucReadStack */
/*
* vPrintLevel - print the tag level
*/
static void
vPrintLevel(FILE *pOutFile)
{
size_t tIndex;
fail(pOutFile == NULL);
for (tIndex = 0; tIndex < tStackNextFree; tIndex++) {
(void)putc(' ', pOutFile);
}
} /* end of vPrintLevel */
/*
* vPrintFootnote - print a footnote
*/
static void
vPrintFootnote(diagram_type *pDiag, UINT uiFootnoteIndex)
{
const char *szText, *pcTmp;
BOOL bSuScript;
UCHAR ucTopTag;
TRACE_MSG("vPrintFootnote");
szText = szGetFootnootText(uiFootnoteIndex);
if (szText == NULL) {
szText = "";
}
/* Remove the subscript/superscript (if any) */
ucTopTag = ucReadStack();
bSuScript = ucTopTag == TAG_SUBSCRIPT || ucTopTag == TAG_SUPERSCRIPT;
if (bSuScript) {
vAddEndTag(pDiag, ucTopTag);
}
/* Start a footnote */
vAddStartTag(pDiag, TAG_FOOTNOTE, NULL);
vAddStartTag(pDiag, TAG_PARA, NULL);
/* Print a footnote */
for (pcTmp = szText; *pcTmp != '\0'; pcTmp++) {
if (*pcTmp == PAR_END) {
if (*(pcTmp + 1) != PAR_END && *(pcTmp + 1) != '\0') {
/* PAR_END is not empty and not last */
vAddEndTag(pDiag, TAG_PARA);
vAddStartTag(pDiag, TAG_PARA, NULL);
}
} else {
vPrintChar(pDiag, *pcTmp);
}
}
/* End a footnote */
vAddEndTag(pDiag, TAG_PARA);
vAddEndTag(pDiag, TAG_FOOTNOTE);
/* Repair the subscript/superscript (if any) */
if (bSuScript) {
vAddStartTag(pDiag, ucTopTag, NULL);
}
} /* end of vPrintFootnote */
/*
* vPrintChar - print a character with XML encoding
*/
static void
vPrintChar(diagram_type *pDiag, char cChar)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
switch (cChar) {
case FOOTNOTE_OR_ENDNOTE:
uiFootnoteNumber++;
vPrintFootnote(pDiag, uiFootnoteNumber - 1);
break;
case '<':
fprintf(pDiag->pOutFile, "%s", "<");
break;
case '>':
fprintf(pDiag->pOutFile, "%s", ">");
break;
case '&':
fprintf(pDiag->pOutFile, "%s", "&");
break;
default:
(void)putc(cChar, pDiag->pOutFile);
break;
}
} /* end of vPrintChar */
/*
* vPrintSpecialChar - convert and print a character
*/
static void
vPrintSpecialChar(diagram_type *pDiag, USHORT usChar)
{
ULONG ulChar;
size_t tLen, tIndex;
char szResult[4];
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(iWordVersion < 0);
fail(eEncoding == encoding_neutral);
ulChar = ulTranslateCharacters(usChar, 0, iWordVersion,
conversion_xml, eEncoding, bOldMacFile);
tLen = tUcs2Utf8(ulChar, szResult, sizeof(szResult));
if (tLen == 1) {
vPrintChar(pDiag, szResult[0]);
} else {
for (tIndex = 0; tIndex < tLen; tIndex++) {
(void)putc(szResult[tIndex], pDiag->pOutFile);
}
}
} /* end of vPrintSpecialChar */
/*
* vPrintSpecialString - convert and print a string
*/
static void
vPrintSpecialString(diagram_type *pDiag, const char *szString)
{
int iIndex;
USHORT usChar;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(szString == NULL);
for (iIndex = 0; szString[iIndex] != '\0'; iIndex++) {
usChar = (USHORT)(UCHAR)szString[iIndex];
vPrintSpecialChar(pDiag, usChar);
}
} /* end of vPrintSpecialString */
/*
* vAddStartTag - add the specified start tag to the file
*/
static void
vAddStartTag(diagram_type *pDiag, UCHAR ucTag, const char *szAttribute)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail((size_t)ucTag >= elementsof(atDocBookTags));
if (atDocBookTags[(UINT)ucTag].bAddNewlineStart) {
fprintf(pDiag->pOutFile, "\n");
vPrintLevel(pDiag->pOutFile);
}
if (szAttribute == NULL || szAttribute[0] == '\0') {
fprintf(pDiag->pOutFile, "<%s>",
atDocBookTags[(UINT)ucTag].szTagname);
} else {
fprintf(pDiag->pOutFile, "<%s %s>",
atDocBookTags[(UINT)ucTag].szTagname, szAttribute);
}
if (atDocBookTags[(UINT)ucTag].bAddNewlineEnd) {
fprintf(pDiag->pOutFile, "\n");
pDiag->lXleft = 0;
}
vPushStack(ucTag);
/* Set global variables */
switch (ucTag) {
case TAG_CHAPTER:
usHeaderLevelCurrent = 1;
bEmptyHeaderLevel = TRUE;
break;
case TAG_SECT1:
usHeaderLevelCurrent = 2;
bEmptyHeaderLevel = TRUE;
break;
case TAG_SECT2:
usHeaderLevelCurrent = 3;
bEmptyHeaderLevel = TRUE;
break;
case TAG_SECT3:
usHeaderLevelCurrent = 4;
bEmptyHeaderLevel = TRUE;
break;
case TAG_SECT4:
usHeaderLevelCurrent = 5;
bEmptyHeaderLevel = TRUE;
break;
case TAG_SECT5:
usHeaderLevelCurrent = 6;
bEmptyHeaderLevel = TRUE;
break;
case TAG_TITLE:
fail(uiParagraphLevel != 0);
bTitleOpen = TRUE;
break;
case TAG_FOOTNOTE:
bFootnoteOpen = TRUE;
break;
case TAG_PARA:
fail(bTitleOpen && !bFootnoteOpen);
uiParagraphLevel++;
bEmptyHeaderLevel = FALSE;
break;
case TAG_EMPHASIS:
bEmphasisOpen = TRUE;
break;
case TAG_ITEMIZEDLIST:
case TAG_ORDEREDLIST:
uiListLevel++;
bEmptyListLevel = TRUE;
bEmptyHeaderLevel = FALSE;
break;
case TAG_LISTITEM:
bEmptyListLevel = FALSE;
break;
case TAG_SUPERSCRIPT:
bSuperscriptOpen = TRUE;
break;
case TAG_SUBSCRIPT:
bSubscriptOpen = TRUE;
break;
case TAG_INFORMALTABLE:
bTableOpen = TRUE;
bEmptyHeaderLevel = FALSE;
break;
default:
break;
}
} /* end of vAddStartTag */
/*
* vAddEndTag - add the specified end tag to the file
*/
static void
vAddEndTag(diagram_type *pDiag, UCHAR ucTag)
{
UCHAR ucTopTag;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail((size_t)ucTag >= elementsof(atDocBookTags));
#if defined(DEBUG)
ucTopTag = ucReadStack();
if (ucTag != ucTopTag) {
DBG_DEC(ucTag);
DBG_MSG(atDocBookTags[(UINT)ucTag].szTagname);
vStackTrace();
}
#endif /* DEBUG */
ucTopTag = ucPopStack();
fail((size_t)ucTopTag >= elementsof(atDocBookTags));
if (ucTag != ucTopTag) {
DBG_DEC(ucTag);
DBG_DEC(ucTopTag);
DBG_FIXME();
werr(1, "Impossible tag sequence, unable to continue");
}
if (atDocBookTags[(UINT)ucTag].bAddNewlineEnd) {
fprintf(pDiag->pOutFile, "\n");
vPrintLevel(pDiag->pOutFile);
}
fprintf(pDiag->pOutFile, "</%s>", atDocBookTags[(UINT)ucTag].szTagname);
if (atDocBookTags[(UINT)ucTag].bAddNewlineStart) {
fprintf(pDiag->pOutFile, "\n");
pDiag->lXleft = 0;
}
/* Set global variables */
switch (ucTag) {
case TAG_CHAPTER:
usHeaderLevelCurrent = 0;
break;
case TAG_SECT1:
usHeaderLevelCurrent = 1;
break;
case TAG_SECT2:
usHeaderLevelCurrent = 2;
break;
case TAG_SECT3:
usHeaderLevelCurrent = 3;
break;
case TAG_SECT4:
usHeaderLevelCurrent = 4;
break;
case TAG_SECT5:
usHeaderLevelCurrent = 5;
break;
case TAG_TITLE:
bTitleOpen = FALSE;
break;
case TAG_FOOTNOTE:
bFootnoteOpen = FALSE;
break;
case TAG_PARA:
uiParagraphLevel--;
break;
case TAG_EMPHASIS:
bEmphasisOpen = FALSE;
break;
case TAG_SUPERSCRIPT:
bSuperscriptOpen = FALSE;
break;
case TAG_ITEMIZEDLIST:
case TAG_ORDEREDLIST:
uiListLevel--;
break;
case TAG_SUBSCRIPT:
bSubscriptOpen = FALSE;
break;
case TAG_INFORMALTABLE:
bTableOpen = FALSE;
iTableColumnsCurrent = 0;
break;
default:
break;
}
} /* end of vAddEndTag */
/*
* vAddEndTagOptional - add the specified end tag to the file if needed
*/
static void
vAddEndTagOptional(diagram_type *pDiag, UCHAR ucTag)
{
UCHAR ucTopTag;
ucTopTag = ucReadStack();
if (ucTag == ucTopTag) {
vAddEndTag(pDiag, ucTag);
}
} /* end of vAddEndTagOptional */
/*
* vAddCombinedTag - add the specified start and end tag to the file
*/
static void
vAddCombinedTag(diagram_type *pDiag, UCHAR ucTag, const char *szAttribute)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail((size_t)ucTag >= elementsof(atDocBookTags));
if (atDocBookTags[(UINT)ucTag].bAddNewlineStart) {
fprintf(pDiag->pOutFile, "\n");
vPrintLevel(pDiag->pOutFile);
}
if (szAttribute == NULL || szAttribute[0] == '\0') {
fprintf(pDiag->pOutFile, "<%s/>",
atDocBookTags[(UINT)ucTag].szTagname);
} else {
fprintf(pDiag->pOutFile, "<%s %s/>",
atDocBookTags[(UINT)ucTag].szTagname, szAttribute);
}
if (atDocBookTags[(UINT)ucTag].bAddNewlineStart) {
fprintf(pDiag->pOutFile, "\n");
pDiag->lXleft = 0;
}
} /* end of vAddCombinedTag */
/*
* vAddEndTagsUntil2 - add end tags until one the specified tags is seen
*/
static void
vAddEndTagsUntil2(diagram_type *pDiag, UCHAR ucTag1, UCHAR ucTag2)
{
UCHAR ucTopTag;
do {
ucTopTag = ucReadStack();
switch (ucTopTag) {
case TAG_CHAPTER:
case TAG_SECT1:
case TAG_SECT2:
case TAG_SECT3:
case TAG_SECT4:
case TAG_SECT5:
if (bEmptyHeaderLevel) {
/*
* An empty chapter is legal in Word,
* but not in DocBook.
*/
vAddCombinedTag(pDiag, TAG_PARA, NULL);
bEmptyHeaderLevel = FALSE;
}
break;
case TAG_ITEMIZEDLIST:
case TAG_ORDEREDLIST:
if (bEmptyListLevel) {
/*
* A list without items is legal in Word,
* but not in DocBook. (Nor are empty items)
*/
vAddStartTag(pDiag, TAG_LISTITEM, NULL);
vAddCombinedTag(pDiag, TAG_PARA, NULL);
vAddEndTag(pDiag, TAG_LISTITEM);
bEmptyListLevel = FALSE;
}
break;
default:
break;
}
vAddEndTag(pDiag, ucTopTag);
} while (ucTopTag != ucTag1 && ucTopTag != ucTag2);
} /* end of vAddEndTagsUntil2 */
/*
* vCreateBookIntro - create title and bookinfo
*/
void
vCreateBookIntro(diagram_type *pDiag, int iVersion)
{
const char *szTitle, *szSubject, *szAuthor;
const char *szLastSaveDtm, *szCompany;
const char *szLanguage;
char szTmp[13];
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(iVersion < 0);
fail(eEncoding == encoding_neutral);
iWordVersion = iVersion;
bOldMacFile = bIsOldMacFile();
szTitle = szGetTitle();
szSubject = szGetSubject();
szAuthor = szGetAuthor();
szLastSaveDtm = szGetLastSaveDtm();
szCompany = szGetCompany();
/* Start Book */
szLanguage = szGetLanguage();
if (szLanguage != NULL) {
DBG_MSG(szLanguage);
sprintf(szTmp, "lang='%.5s'", szLanguage);
szLanguage = szTmp;
}
vAddStartTag(pDiag, TAG_BOOK, szLanguage);
/* Book title */
if (szTitle != NULL && szTitle[0] != '\0') {
vAddStartTag(pDiag, TAG_TITLE, NULL);
vPrintSpecialString(pDiag, szTitle);
vAddEndTag(pDiag, TAG_TITLE);
}
/* Bookinfo */
if ((szTitle != NULL && szTitle[0] != '\0') ||
(szSubject != NULL && szSubject[0] != '\0') ||
(szAuthor != NULL && szAuthor[0] != '\0') ||
(szLastSaveDtm != NULL && szLastSaveDtm[0] != '\0') ||
(szCompany != NULL && szCompany[0] != '\0')) {
vAddStartTag(pDiag, TAG_BOOKINFO, NULL);
if (szTitle != NULL && szTitle[0] != '\0') {
vAddStartTag(pDiag, TAG_TITLE, NULL);
vPrintSpecialString(pDiag, szTitle);
vAddEndTag(pDiag, TAG_TITLE);
}
if (szSubject != NULL && szSubject[0] != '\0') {
vAddStartTag(pDiag, TAG_SUBTITLE, NULL);
vPrintSpecialString(pDiag, szSubject);
vAddEndTag(pDiag, TAG_SUBTITLE);
}
if (szAuthor != NULL && szAuthor[0] != '\0') {
vAddStartTag(pDiag, TAG_AUTHOR, NULL);
vAddStartTag(pDiag, TAG_SURNAME, NULL);
vPrintSpecialString(pDiag, szAuthor);
vAddEndTag(pDiag, TAG_SURNAME);
vAddEndTag(pDiag, TAG_AUTHOR);
}
if (szLastSaveDtm != NULL && szLastSaveDtm[0] != '\0') {
vAddStartTag(pDiag, TAG_DATE, NULL);
vPrintSpecialString(pDiag, szLastSaveDtm);
vAddEndTag(pDiag, TAG_DATE);
}
if (szCompany != NULL && szCompany[0] != '\0') {
vAddStartTag(pDiag, TAG_CORPNAME, NULL);
vPrintSpecialString(pDiag, szCompany);
vAddEndTag(pDiag, TAG_CORPNAME);
}
vAddEndTag(pDiag, TAG_BOOKINFO);
}
} /* end of vCreateBookIntro */
/*
* vPrologueXML - perform the XML initialization
*/
void
vPrologueXML(diagram_type *pDiag, const options_type *pOptions)
{
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(pOptions == NULL);
#if defined(DEBUG)
vCheckTagTable();
#endif /* DEBUG */
/* Set global variables to their start values */
eEncoding = pOptions->eEncoding;
bEmphasisOpen = FALSE;
bSuperscriptOpen = FALSE;
bSubscriptOpen = FALSE;
bTitleOpen = FALSE;
bTableOpen = FALSE;
bFootnoteOpen = FALSE;
uiParagraphLevel = 0;
uiListLevel = 0;
bEmptyListLevel = TRUE;
usHeaderLevelCurrent = 0;
bEmptyHeaderLevel = TRUE;
iTableColumnsCurrent = 0;
uiFootnoteNumber = 0;
pDiag->lXleft = 0;
pDiag->lYtop = 0;
/* Create an empty stack */
tStacksize = INITIAL_STACK_SIZE;
aucStack = xcalloc(tStacksize, sizeof(UCHAR));
tStackNextFree = 0;
} /* end of vPrologueXML */
/*
* vEpilogueXML - clean up after everything is done
*/
void
vEpilogueXML(diagram_type *pDiag)
{
vStackTrace();
vAddEndTagsUntil1(pDiag, TAG_BOOK);
vStackTrace();
/* Destroy the stack */
fail(tStackNextFree != 0);
tStacksize = 0;
aucStack = xfree(aucStack);
tStackNextFree = 0;
} /* end of vEpilogueXML */
/*
* vPrintXML - print a XML string
*/
static void
vPrintXML(diagram_type *pDiag, const char *szString, size_t tStringLength,
USHORT usFontstyle)
{
const char *szAttr;
int iCount;
size_t tNextFree;
BOOL bNotReady, bEmphasisNew, bSuperscriptNew, bSubscriptNew;
UCHAR ucTopTag, aucStorage[3];
fail(szString == NULL);
if (szString == NULL || szString[0] == '\0' || tStringLength == 0) {
return;
}
if (tStringLength == 1 && szString[0] == FOOTNOTE_OR_ENDNOTE) {
/* Don't do anything special for just a single footnote */
bEmphasisNew = FALSE;
bSuperscriptNew = FALSE;
bSubscriptNew = FALSE;
} else {
/* Situation normal */
bEmphasisNew = bIsBold(usFontstyle) ||
bIsItalic(usFontstyle) ||
bIsUnderline(usFontstyle) ||
bIsStrike(usFontstyle);
bSuperscriptNew = bIsSuperscript(usFontstyle);
bSubscriptNew = bIsSubscript(usFontstyle);
}
/* End what has to be ended (or more to keep the stack happy) */
tNextFree = 0;
bNotReady = TRUE;
do {
ucTopTag = ucReadStack();
switch (ucTopTag) {
case TAG_EMPHASIS:
fail(!bEmphasisOpen);
if (bEmphasisNew) {
aucStorage[tNextFree++] = ucTopTag;
}
vAddEndTag(pDiag, ucTopTag);
break;
case TAG_SUPERSCRIPT:
fail(!bSuperscriptOpen);
if (bSuperscriptNew) {
aucStorage[tNextFree++] = ucTopTag;
}
vAddEndTag(pDiag, ucTopTag);
break;
case TAG_SUBSCRIPT:
fail(!bSubscriptOpen);
if (bSubscriptNew) {
aucStorage[tNextFree++] = ucTopTag;
}
vAddEndTag(pDiag, ucTopTag);
break;
default:
bNotReady = FALSE;
break;
}
fail(tNextFree > elementsof(aucStorage));
fail(bNotReady && tNextFree == elementsof(aucStorage));
} while (bNotReady);
/* Just te make sure */
vStartOfParagraphXML(pDiag, 1);
/* Restart to keep the stack happy */
for (iCount = (int)tNextFree - 1; iCount > 0; iCount--) {
vAddStartTag(pDiag, aucStorage[iCount], NULL);
}
/* Start what has to be started */
if (bEmphasisNew && !bEmphasisOpen) {
if (bIsBold(usFontstyle)) {
szAttr = "role='bold'";
} else if (bIsItalic(usFontstyle)) {
szAttr = NULL;
} else if (bIsUnderline(usFontstyle)) {
szAttr = "role='underline'";
} else if (bIsStrike(usFontstyle)) {
szAttr = "role='strikethrough'";
} else {
szAttr = NULL;
}
vAddStartTag(pDiag, TAG_EMPHASIS, szAttr);
}
if (bSuperscriptNew && !bSuperscriptOpen) {
vAddStartTag(pDiag, TAG_SUPERSCRIPT, NULL);
}
if (bSubscriptNew && !bSubscriptOpen) {
vAddStartTag(pDiag, TAG_SUBSCRIPT, NULL);
}
/* The print the string */
for (iCount = 0; iCount < (int)tStringLength; iCount++) {
vPrintChar(pDiag, szString[iCount]);
}
} /* end of vPrintXML */
/*
* vMove2NextLineXML - move to the next line
*/
void
vMove2NextLineXML(diagram_type *pDiag)
{
fail(pDiag == NULL);
/*
if (uiParagraphLevel != 0) {
We need something like HTML's <BR> tag
}
*/
} /* end of vMove2NextLineXML */
/*
* vSubstringXML - put a sub string into a diagram
*/
void
vSubstringXML(diagram_type *pDiag,
const char *szString, size_t tStringLength, long lStringWidth,
USHORT usFontstyle)
{
fail(pDiag == NULL || szString == NULL);
fail(pDiag->pOutFile == NULL);
fail(pDiag->lXleft < 0);
fail(tStringLength != strlen(szString));
if (szString[0] == '\0' || tStringLength == 0) {
return;
}
vPrintXML(pDiag, szString, tStringLength, usFontstyle);
pDiag->lXleft += lStringWidth;
} /* end of vSubstringXML */
/*
* Create an start of a paragraph
* Only works on paragraph level one, because Word doesn't allow paragraphs
* in paragraphs. Other paragraph levels result from DocBooks special needs.
*/
void
vStartOfParagraphXML(diagram_type *pDiag, UINT uiMaxLevel)
{
fail(pDiag == NULL);
if (uiParagraphLevel >= uiMaxLevel || bTitleOpen) {
/* In Word a title is just a paragraph */
return;
}
if (uiListLevel != 0 && bEmptyListLevel) {
/* No paragraphs in a list before the first listitem */
return;
}
if (usHeaderLevelCurrent == 0) {
/* No paragraphs without an open header */
vAddStartTag(pDiag, TAG_CHAPTER, NULL);
/* Dummy title */
vAddCombinedTag(pDiag, TAG_TITLE, NULL);
}
vAddStartTag(pDiag, TAG_PARA, NULL);
} /* end of vStartOfParagraphXML */
/*
* Create an end of a paragraph
* Only for paragraph level one and for titles
*/
void
vEndOfParagraphXML(diagram_type *pDiag, UINT uiMaxLevel)
{
UCHAR ucTopTag;
fail(pDiag == NULL);
if (uiParagraphLevel > uiMaxLevel) {
DBG_DEC(uiParagraphLevel);
return;
}
for(;;) {
ucTopTag = ucReadStack();
switch (ucTopTag) {
case TAG_EMPHASIS:
fail(!bEmphasisOpen);
vAddEndTag(pDiag, TAG_EMPHASIS);
break;
case TAG_SUPERSCRIPT:
fail(!bSuperscriptOpen);
vAddEndTag(pDiag, TAG_SUPERSCRIPT);
break;
case TAG_SUBSCRIPT:
fail(!bSubscriptOpen);
vAddEndTag(pDiag, TAG_SUBSCRIPT);
break;
case TAG_TITLE:
fail(!bTitleOpen);
vAddEndTag(pDiag, TAG_TITLE);
return;
case TAG_PARA:
fail(uiParagraphLevel == 0);
vAddEndTag(pDiag, TAG_PARA);
return;
case TAG_TBODY:
case TAG_TGROUP:
case TAG_INFORMALTABLE:
fail(!bTableOpen);
vAddEndTag(pDiag, ucTopTag);
break;
case TAG_NOTAG:
DBG_FIXME();
werr(1, "Impossible tag sequence, unable to continue");
break;
default:
DBG_DEC(ucTopTag);
DBG_MSG_C((size_t)ucTopTag < elementsof(atDocBookTags),
atDocBookTags[(UINT)ucTopTag].szTagname);
return;
}
}
} /* end of vEndOfParagraphXML */
/*
* Create an end of a page
*/
void
vEndOfPageXML(diagram_type *pDiag)
{
if (bTableOpen || usHeaderLevelCurrent == 0) {
/* No beginpage in a table or outside a chapter */
return;
}
if (bTitleOpen) {
/* A beginpage is not allowed when in a title */
/* So start a new paragraph */
vEndOfParagraphXML(pDiag, UINT_MAX);
vStartOfParagraphXML(pDiag, UINT_MAX);
return;
}
vAddCombinedTag(pDiag, TAG_BEGINPAGE, NULL);
} /* end of vEndOfPageXML */
/*
* vCloseHeaderLevels - close the specified header levels
*/
static void
vCloseHeaderLevels(diagram_type *pDiag, USHORT usIstd)
{
BOOL bNotReady;
UCHAR ucTopTag;
DBG_MSG("vCloseHeaderLevels");
DBG_DEC(usIstd);
DBG_DEC(usHeaderLevelCurrent);
vStackTrace();
bNotReady = TRUE;
do {
ucTopTag = ucReadStack();
switch (ucTopTag) {
case TAG_TITLE:
case TAG_PARA:
vAddEndTag(pDiag, ucTopTag);
break;
default:
bNotReady = FALSE;
break;
}
} while (bNotReady);
vStackTrace();
while (usHeaderLevelCurrent >= usIstd) {
if (bEmptyHeaderLevel) {
vAddCombinedTag(pDiag, TAG_PARA, NULL);
bEmptyHeaderLevel = FALSE;
}
switch (usHeaderLevelCurrent) {
case 1: vAddEndTag(pDiag, TAG_CHAPTER); break;
case 2: vAddEndTag(pDiag, TAG_SECT1); break;
case 3: vAddEndTag(pDiag, TAG_SECT2); break;
case 4: vAddEndTag(pDiag, TAG_SECT3); break;
case 5: vAddEndTag(pDiag, TAG_SECT4); break;
case 6: vAddEndTag(pDiag, TAG_SECT5); break;
default:
DBG_DEC(usHeaderLevelCurrent);
DBG_FIXME();
return;
}
}
DBG_DEC(usHeaderLevelCurrent);
vStackTrace();
} /* end of vCloseHeaderLevels */
/*
* vSetHeadersXML - set the headers
*/
void
vSetHeadersXML(diagram_type *pDiag, USHORT usIstd)
{
fail(pDiag == NULL);
if (usIstd == 0 || usIstd > 6) {
DBG_DEC_C(usIstd != 0 && usIstd <= 9, usIstd);
return;
}
DBG_DEC(usIstd);
if (bTableOpen || uiListLevel != 0) {
/* No headers when you're in a table or in a list */
return;
}
/* Close levels */
vCloseHeaderLevels(pDiag, usIstd);
DBG_DEC(usHeaderLevelCurrent);
/* Open levels */
while (usHeaderLevelCurrent < usIstd) {
switch (usHeaderLevelCurrent) {
case 0: vAddStartTag(pDiag, TAG_CHAPTER, NULL); break;
case 1: vAddStartTag(pDiag, TAG_SECT1, NULL); break;
case 2: vAddStartTag(pDiag, TAG_SECT2, NULL); break;
case 3: vAddStartTag(pDiag, TAG_SECT3, NULL); break;
case 4: vAddStartTag(pDiag, TAG_SECT4, NULL); break;
case 5: vAddStartTag(pDiag, TAG_SECT5, NULL); break;
default:
DBG_DEC(usHeaderLevelCurrent);
DBG_FIXME();
return;
}
fail(usIstd == 0);
/* The next paragraph should be a title */
if (usHeaderLevelCurrent < usIstd) {
/* This chapter level is not in the Word document */
vAddCombinedTag(pDiag, TAG_TITLE, NULL);
} else {
vAddStartTag(pDiag, TAG_TITLE, NULL);
}
}
} /* end of vSetHeadersXML */
/*
* Create a start of a list
*/
void
vStartOfListXML(diagram_type *pDiag, UCHAR ucNFC, BOOL bIsEndOfTable)
{
const char *szAttr;
UCHAR ucTag;
fail(pDiag == NULL);
if (bIsEndOfTable) {
/* FIXME: until a list in a table is allowed */
vEndOfTableXML(pDiag);
}
if (bTableOpen) {
/* FIXME: a list in a table should be allowed */
return;
}
if (usHeaderLevelCurrent == 0) {
/* No list without an open header */
vAddStartTag(pDiag, TAG_CHAPTER, NULL);
/* Dummy title */
vAddCombinedTag(pDiag, TAG_TITLE, NULL);
}
switch (ucNFC) {
case LIST_ARABIC_NUM:
case LIST_ORDINAL_NUM:
case LIST_NUMBER_TXT:
case LIST_ORDINAL_TXT:
case LIST_OUTLINE_NUM:
ucTag = TAG_ORDEREDLIST;
szAttr = "numeration='arabic'";
break;
case LIST_UPPER_ROMAN:
ucTag = TAG_ORDEREDLIST;
szAttr = "numeration='upperroman'";
break;
case LIST_LOWER_ROMAN:
ucTag = TAG_ORDEREDLIST;
szAttr = "numeration='lowerroman'";
break;
case LIST_UPPER_ALPHA:
ucTag = TAG_ORDEREDLIST;
szAttr = "numeration='upperalpha'";
break;
case LIST_LOWER_ALPHA:
ucTag = TAG_ORDEREDLIST;
szAttr = "numeration='loweralpha'";
break;
case LIST_SPECIAL:
case LIST_SPECIAL2:
case LIST_BULLETS:
ucTag = TAG_ITEMIZEDLIST;
szAttr = "mark='bullet'";
break;
default:
ucTag = TAG_ORDEREDLIST;
szAttr = "numeration='arabic'";
DBG_HEX(ucNFC);
DBG_FIXME();
break;
}
vAddStartTag(pDiag, ucTag, szAttr);
} /* end of vStartOfListXML */
/*
* Create an end of a list
*/
void
vEndOfListXML(diagram_type *pDiag)
{
fail(pDiag == NULL);
if (bTableOpen) {
/* FIXME: a list in a table should be allowed */
return;
}
if (uiListLevel != 0) {
vStackTrace();
vAddEndTagsUntil2(pDiag, TAG_ITEMIZEDLIST, TAG_ORDEREDLIST);
vStackTrace();
}
} /* end of vEndOfListXML */
/*
* Create a start of a list item
*/
void
vStartOfListItemXML(diagram_type *pDiag, BOOL bNoMarks)
{
const char *szAttr;
UCHAR ucTopTag;
fail(pDiag == NULL);
if (bTableOpen) {
/* FIXME: a list in a table should be allowed */
return;
}
ucTopTag = ucReadStack();
if (ucTopTag != TAG_ITEMIZEDLIST && ucTopTag != TAG_ORDEREDLIST) {
/* Must end a previous list item first */
vAddEndTagsUntil1(pDiag, TAG_LISTITEM);
}
DBG_DEC_C(ucReadStack() != TAG_ITEMIZEDLIST &&
ucReadStack() != TAG_ORDEREDLIST, ucReadStack());
/* Start a new list item */
szAttr = bNoMarks ? "override='none'" : NULL;
vAddStartTag(pDiag, TAG_LISTITEM, szAttr);
/* Start a new paragraph (independant of level) */
vAddStartTag(pDiag, TAG_PARA, NULL);
} /* end of vStartOfListItemXML */
/*
* Create a start of a table
*/
static void
vStartOfTable(diagram_type *pDiag, UCHAR ucBorderInfo)
{
const char *szFrame;
BOOL bNotReady;
UCHAR ucTopTag;
char cColSep, cRowSep;
char szAttr[40];
fail(pDiag == NULL);
/* Close elements that cannot contain a table */
bNotReady = TRUE;
do {
ucTopTag = ucReadStack();
switch (ucTopTag) {
case TAG_TITLE:
fail(!bTitleOpen);
vAddEndTag(pDiag, TAG_TITLE);
break;
case TAG_EMPHASIS:
fail(!bEmphasisOpen);
vAddEndTag(pDiag, TAG_EMPHASIS);
break;
case TAG_SUPERSCRIPT:
fail(!bSuperscriptOpen);
vAddEndTag(pDiag, TAG_SUPERSCRIPT);
break;
case TAG_SUBSCRIPT:
fail(!bSubscriptOpen);
vAddEndTag(pDiag, TAG_SUBSCRIPT);
break;
default:
bNotReady = FALSE;
break;
}
} while (bNotReady);
/* Create table attributes */
switch (ucBorderInfo) {
case TABLE_BORDER_TOP:
szFrame = "top";
break;
case TABLE_BORDER_LEFT|TABLE_BORDER_RIGHT:
szFrame = "sides";
break;
case TABLE_BORDER_TOP|TABLE_BORDER_BOTTOM:
szFrame = "topbot";
break;
case TABLE_BORDER_BOTTOM:
szFrame = "bottom";
break;
case TABLE_BORDER_TOP|TABLE_BORDER_LEFT|
TABLE_BORDER_BOTTOM|TABLE_BORDER_RIGHT:
szFrame = "all";
break;
default:
szFrame = "none";
break;
}
cColSep = bIsTableBorderLeft(ucBorderInfo) ||
bIsTableBorderRight(ucBorderInfo) ? '1' : '0';
cRowSep = bIsTableBorderTop(ucBorderInfo) ||
bIsTableBorderBottom(ucBorderInfo) ? '1' : '0';
sprintf(szAttr, "frame='%.6s' colsep='%c' rowsep='%c'",
szFrame, cColSep, cRowSep);
if (usHeaderLevelCurrent == 0) {
/* No table without an open header */
vAddStartTag(pDiag, TAG_CHAPTER, NULL);
/* Dummy title */
vAddCombinedTag(pDiag, TAG_TITLE, NULL);
}
vAddStartTag(pDiag, TAG_INFORMALTABLE, szAttr);
} /* end of vStartOfTable */
/*
* Create a start of a table group
*/
static void
vStartOfTableGroup(diagram_type *pDiag,
int iNbrOfColumns, const short *asColumnWidth)
{
double dWidth;
int iIndex;
char szCols[6 + 3 * sizeof(int) + 1 + 1];
char szColWidth[10 + 3 * sizeof(short) + 3 + 3 + 1];
fail(iNbrOfColumns < 1);
fail(asColumnWidth == NULL);
sprintf(szCols, "cols='%d'", iNbrOfColumns);
vAddStartTag(pDiag, TAG_TGROUP, szCols);
for (iIndex= 0; iIndex < iNbrOfColumns; iIndex++) {
fail(asColumnWidth[iIndex] < 0);
dWidth = dTwips2Points(asColumnWidth[iIndex]);
if (dWidth <= 1.0) {
strcpy(szColWidth, "colwidth='1.00pt'");
} else {
sprintf(szColWidth, "colwidth='%.2fpt'", dWidth);
}
vAddCombinedTag(pDiag, TAG_COLSPEC, szColWidth);
}
} /* end of vStartOfTableGroup */
/*
* Create an end of a table
*/
void
vEndOfTableXML(diagram_type *pDiag)
{
fail(pDiag == NULL);
if (bTableOpen) {
vAddEndTag(pDiag, TAG_TBODY);
vAddEndTag(pDiag, TAG_TGROUP);
vAddEndTag(pDiag, TAG_INFORMALTABLE);
}
} /* end of vEndOfTableXML */
/*
* Add a table row
*/
void
vAddTableRowXML(diagram_type *pDiag, char **aszColTxt,
int iNbrOfColumns, const short *asColumnWidth, UCHAR ucBorderInfo)
{
size_t tCount, tStringLength;
int iIndex;
fail(pDiag == NULL);
fail(pDiag->pOutFile == NULL);
fail(aszColTxt == NULL);
fail(iNbrOfColumns < 1);
fail(asColumnWidth == NULL);
if (iNbrOfColumns != iTableColumnsCurrent) {
/* A new number of columns */
/* End the old table body and table group (if they exist) */
vAddEndTagOptional(pDiag, TAG_TBODY);
vAddEndTagOptional(pDiag, TAG_TGROUP);
if (!bTableOpen) {
/* No table yet. Start a new table */
vStartOfTable(pDiag, ucBorderInfo);
}
/* Start a new table group and a new table body */
vStartOfTableGroup(pDiag, iNbrOfColumns, asColumnWidth);
vAddStartTag(pDiag, TAG_TBODY, NULL);
iTableColumnsCurrent = iNbrOfColumns;
}
/* Add the table row */
vAddStartTag(pDiag, TAG_ROW, NULL);
for (iIndex = 0; iIndex < iNbrOfColumns; iIndex++) {
/* Add a table cell */
fail(aszColTxt[iIndex] == NULL);
vAddStartTag(pDiag, TAG_ENTRY, NULL);
tStringLength = strlen(aszColTxt[iIndex]);
for (tCount = 0; tCount < tStringLength; tCount++) {
vPrintChar(pDiag, aszColTxt[iIndex][tCount]);
}
vAddEndTag(pDiag, TAG_ENTRY);
}
vAddEndTag(pDiag, TAG_ROW);
} /* end of vAddTableRowXML */