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asl/tex2html.c

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/* tex2html.c */
/*****************************************************************************/
/* AS-Portierung */
/* */
/* Konverter TeX-->HTML */
/* */
/* Historie: 2. 4.1998 Grundsteinlegung (Transfer von tex2doc.c) */
/* 5. 4.1998 Sonderzeichen, Fonts, <> */
/* 6. 4.1998 geordnete Listen */
/* 20. 6.1998 Ausrichtung links/rechts/zentriert */
/* überlagerte Textattribute */
/* mehrspaltiger Index */
/* 5. 7.1998 Korrekturen in der Index-Ausgabe */
/* 11. 7.1998 weitere Landessonderzeichen */
/* 13. 7.1998 Cedilla */
/* 12. 9.1998 input-Statement */
/* 12. 1.1999 andere Kapitelhierarchie fuer article */
/* 28. 3.1999 TeX-Kommando Huge ergaenzt */
/* 14. 6.1999 mit optionaler Aufspaltung in Subdateien begonnen */
/* */
/*****************************************************************************/
#include "stdinc.h"
#include "asmitree.h"
#include "chardefs.h"
#include <ctype.h>
#include <sys/stat.h>
#include <time.h>
#include <string.h>
#include "strutil.h"
/*--------------------------------------------------------------------------*/
#define TOKLEN 350
static char *TableName,
*BiblioName,
*ContentsName,
*IndexName,
#define ErrorEntryCnt 3
*ErrorEntryNames[ErrorEntryCnt];
typedef enum{EnvNone,EnvDocument,EnvItemize,EnvEnumerate,EnvDescription,EnvTable,
EnvTabular,EnvRaggedLeft,EnvRaggedRight,EnvCenter,EnvVerbatim,
EnvQuote,EnvTabbing,EnvBiblio,EnvMarginPar,EnvCaption,EnvHeading,EnvCount} EnvType;
typedef enum{FontStandard,FontEmphasized,FontBold,FontTeletype,FontItalic,FontSuper,FontCnt} TFontType;
static char *FontNames[FontCnt]={"","EM","B","TT","I","SUP"};
#define MFontEmphasized (1<<FontEmphasized)
#define MFontBold (1<<FontBold)
#define MFontTeletype (1<<FontTeletype)
#define MFontItalic (1<<FontItalic)
typedef enum{FontTiny,FontSmall,FontNormalSize,FontLarge,FontHuge} TFontSize;
typedef struct _TEnvSave
{
struct _TEnvSave *Next;
EnvType SaveEnv;
int ListDepth,ActLeftMargin,LeftMargin,RightMargin;
int EnumCounter,FontNest;
Boolean InListItem;
} TEnvSave,*PEnvSave;
typedef struct _TFontSave
{
struct _TFontSave *Next;
int FontFlags;
TFontSize FontSize;
} TFontSave,*PFontSave;
typedef enum{ColLeft,ColRight,ColCenter,ColBar} TColumn;
#define MAXCOLS 30
#define MAXROWS 200
typedef char *TableLine[MAXCOLS];
typedef struct
{
int ColumnCount,TColumnCount;
TColumn ColTypes[MAXCOLS];
int ColLens[MAXCOLS];
int LineCnt;
TableLine Lines[MAXROWS];
Boolean LineFlags[MAXROWS];
Boolean MultiFlags[MAXROWS];
} TTable;
typedef struct _TRefSave
{
struct _TRefSave *Next;
char *RefName,*Value;
} TRefSave,*PRefSave;
typedef struct _TTocSave
{
struct _TTocSave *Next;
char *TocName;
} TTocSave,*PTocSave;
typedef struct _TIndexSave
{
struct _TIndexSave *Next;
char *Name;
int RefCnt;
} TIndexSave,*PIndexSave;
static char *EnvNames[EnvCount]=
{"___NONE___","document","itemize","enumerate","description","table","tabular",
"raggedleft","raggedright","center","verbatim","quote","tabbing",
"thebibliography","___MARGINPAR___","___CAPTION___","___HEADING___"};
static int IncludeNest;
static FILE *infiles[50],*outfile;
static char *infilename, *outfilename;
static char TocName[200];
static int CurrLine=0,CurrColumn;
#define CHAPMAX 6
static int Chapters[CHAPMAX];
static int TableNum,FontNest,ErrState,FracState,BibIndent,BibCounter;
#define TABMAX 100
static int TabStops[TABMAX],TabStopCnt,CurrTabStop;
static Boolean InAppendix,InMathMode,DoRepass,InListItem;
static TTable ThisTable;
static int CurrRow,CurrCol;
static Boolean GermanMode;
static int Structured;
static EnvType CurrEnv;
static int CurrFontFlags;
static TFontSize CurrFontSize;
static int CurrListDepth;
static int EnumCounter;
static int ActLeftMargin,LeftMargin,RightMargin;
static PEnvSave EnvStack;
static PFontSave FontStack;
static PRefSave FirstRefSave,FirstCiteSave;
static PTocSave FirstTocSave;
static PIndexSave FirstIndex;
static PInstTable TeXTable;
/*--------------------------------------------------------------------------*/
void ChkStack(void)
BEGIN
END
static void error(char *Msg)
BEGIN
int z;
fprintf(stderr,"%s:%d.%d: %s\n",infilename,CurrLine,CurrColumn,Msg);
for (z=0; z<IncludeNest; fclose(infiles[z++])); fclose(outfile);
exit(2);
END
static void warning(char *Msg)
BEGIN
fprintf(stderr,"%s:%d.%d: %s\n",infilename,CurrLine,CurrColumn,Msg);
END
static void SetLang(Boolean IsGerman)
BEGIN
if (GermanMode==IsGerman) return;
if ((GermanMode=IsGerman))
BEGIN
TableName="Tabelle";
BiblioName="Literaturverzeichnis";
ContentsName="Inhalt";
IndexName="Index";
ErrorEntryNames[0]="Typ";
ErrorEntryNames[1]="Ursache";
ErrorEntryNames[2]="Argument";
END
else
BEGIN
TableName="Table";
BiblioName="Bibliography";
ContentsName="Contents";
IndexName="Index";
ErrorEntryNames[0]="Type";
ErrorEntryNames[1]="Reason";
ErrorEntryNames[2]="Argument";
END
END
/*--------------------------------------------------------------------------*/
static void AddLabel(char *Name, char *Value)
BEGIN
PRefSave Run,Prev,Neu;
int cmp;
char err[200];
for (Run=FirstRefSave,Prev=Nil; Run!=Nil; Prev=Run,Run=Run->Next)
if ((cmp=strcmp(Run->RefName,Name))>=0) break;
if ((Run!=Nil) AND (cmp==0))
BEGIN
if (strcmp(Run->Value,Value)!=0)
BEGIN
sprintf(err,"value of label '%s' has changed",Name);
warning(err); DoRepass=True;
free(Run->Value); Run->Value=strdup(Value);
END
END
else
BEGIN
Neu=(PRefSave) malloc(sizeof(TRefSave));
Neu->RefName=strdup(Name);
Neu->Value=strdup(Value);
Neu->Next=Run;
if (Prev==Nil) FirstRefSave=Neu; else Prev->Next=Neu;
END
END
static void AddCite(char *Name, char *Value)
BEGIN
PRefSave Run,Prev,Neu;
int cmp;
char err[200];
for (Run=FirstCiteSave,Prev=Nil; Run!=Nil; Prev=Run,Run=Run->Next)
if ((cmp=strcmp(Run->RefName,Name))>=0) break;
if ((Run!=Nil) AND (cmp==0))
BEGIN
if (strcmp(Run->Value,Value)!=0)
BEGIN
sprintf(err,"value of citation '%s' has changed",Name);
warning(err); DoRepass=True;
free(Run->Value); Run->Value=strdup(Value);
END
END
else
BEGIN
Neu=(PRefSave) malloc(sizeof(TRefSave));
Neu->RefName=strdup(Name);
Neu->Value=strdup(Value);
Neu->Next=Run;
if (Prev==Nil) FirstCiteSave=Neu; else Prev->Next=Neu;
END
END
static void GetLabel(char *Name, char *Dest)
BEGIN
PRefSave Run;
char err[200];
for (Run=FirstRefSave; Run!=Nil; Run=Run->Next)
if (strcmp(Name,Run->RefName)==0) break;
if (Run==Nil)
BEGIN
sprintf(err,"undefined label '%s'",Name);
warning(err); DoRepass=True;
END
strcpy(Dest,(Run==Nil) ? "???" : Run->Value);
END
static void GetCite(char *Name, char *Dest)
BEGIN
PRefSave Run;
char err[200];
for (Run=FirstCiteSave; Run!=Nil; Run=Run->Next)
if (strcmp(Name,Run->RefName)==0) break;
if (Run==Nil)
BEGIN
sprintf(err,"undefined citation '%s'",Name);
warning(err); DoRepass=True;
END
strcpy(Dest,(Run==Nil) ? "???" : Run->Value);
END
static void PrintLabels(char *Name)
BEGIN
PRefSave Run;
FILE *file=fopen(Name,"a");
if (file==Nil) perror(Name);
for (Run=FirstRefSave; Run!=Nil; Run=Run->Next)
fprintf(file,"Label %s %s\n",Run->RefName,Run->Value);
fclose(file);
END
static void PrintCites(char *Name)
BEGIN
PRefSave Run;
FILE *file=fopen(Name,"a");
if (file==Nil) perror(Name);
for (Run=FirstCiteSave; Run!=Nil; Run=Run->Next)
fprintf(file,"Citation %s %s\n",Run->RefName,Run->Value);
fclose(file);
END
static void PrintToc(char *Name)
BEGIN
PTocSave Run;
FILE *file=fopen(Name,"w");
if (file==Nil) perror(Name);
for (Run=FirstTocSave; Run!=Nil; Run=Run->Next)
fprintf(file,"%s\n\n",Run->TocName);
fclose(file);
END
/*------------------------------------------------------------------------------*/
static void GetNext(char *Src, char *Dest)
BEGIN
char *c=strchr(Src,' ');
if (c==Nil)
BEGIN
strcpy(Dest,Src); *Src='\0';
END
else
BEGIN
*c='\0'; strcpy(Dest,Src);
for (c++; *c==' '; c++);
strcpy(Src,c);
END
END
static void ReadAuxFile(char *Name)
BEGIN
FILE *file=fopen(Name,"r");
char Line[300],Cmd[300],Nam[300],Val[300];
if (file==Nil) return;
while (NOT feof(file))
BEGIN
if (fgets(Line,299,file)==Nil) break;
if (Line[strlen(Line)-1]=='\n') Line[strlen(Line)-1]='\0';
GetNext(Line,Cmd);
if (strcmp(Cmd,"Label")==0)
BEGIN
GetNext(Line,Nam); GetNext(Line,Val);
AddLabel(Nam,Val);
END
else if (strcmp(Cmd,"Citation")==0)
BEGIN
GetNext(Line,Nam); GetNext(Line,Val);
AddCite(Nam,Val);
END
END
fclose(file);
END
/*--------------------------------------------------------------------------*/
static Boolean issep(char inp)
BEGIN
return ((inp==' ') OR (inp=='\t') OR (inp=='\n'));
END
static Boolean isalphanum(char inp)
BEGIN
return ((inp>='A') AND (inp<='Z'))
OR ((inp>='a') AND (inp<='z'))
OR ((inp>='0') AND (inp<='9'))
OR (inp=='.');
END
static char LastChar='\0';
static char SaveSep='\0',SepString[TOKLEN]="";
static Boolean DidEOF=False;
static char BufferLine[TOKLEN]="",*BufferPtr=BufferLine;
typedef struct
{
char Token[TOKLEN],Sep[TOKLEN];
} PushedToken;
static int PushedTokenCnt=0;
static PushedToken PushedTokens[16];
static int GetChar(void)
BEGIN
Boolean Comment;
static Boolean DidPar=False;
char *Result;
if (*BufferPtr=='\0')
BEGIN
do
BEGIN
if (IncludeNest<=0) return EOF;
do
BEGIN
Result=fgets(BufferLine,TOKLEN,infiles[IncludeNest-1]);
if (Result!=Nil) break;
fclose(infiles[--IncludeNest]);
if (IncludeNest<=0) return EOF;
END
while (True);
CurrLine++;
BufferPtr=BufferLine;
Comment=(strlen(BufferLine)>=2) AND (strncmp(BufferLine,"%%",2)==0);
if ((*BufferLine=='\0') OR (*BufferLine=='\n'))
BEGIN
if ((CurrEnv==EnvDocument) AND (NOT DidPar))
BEGIN
strcpy(BufferLine,"\\par\n"); DidPar=True; Comment=False;
END
END
else if (Comment)
BEGIN
if (BufferLine[strlen(BufferLine)-1]=='\n')
BufferLine[strlen(BufferLine)-1]='\0';
if (strncmp(BufferLine+2,"TITLE ",6)==0)
fprintf(outfile,"<TITLE>%s</TITLE>\n",BufferLine+8);
END
else DidPar=False;
END
while (Comment);
END
return *(BufferPtr++);
END
static Boolean ReadToken(char *Dest)
BEGIN
int ch,z;
Boolean Good;
char *run;
if (PushedTokenCnt>0)
BEGIN
strcpy(Dest,PushedTokens[0].Token); strcpy(SepString,PushedTokens[0].Sep);
for (z=0; z<PushedTokenCnt-1; z++) PushedTokens[z]=PushedTokens[z+1];
PushedTokenCnt--;
return True;
END
if (DidEOF) return FALSE;
CurrColumn=BufferPtr-BufferLine+1;
/* falls kein Zeichen gespeichert, fuehrende Blanks ueberspringen */
*Dest='\0'; *SepString=SaveSep; run=SepString+((SaveSep=='\0')?0:1);
if (LastChar=='\0')
BEGIN
do
BEGIN
ch=GetChar(); if (ch=='\r') ch=GetChar();
if (issep(ch)) *(run++)=' ';
END
while ((issep(ch)) AND (ch!=EOF));
*run='\0';
if (ch==EOF)
BEGIN
DidEOF=TRUE; return FALSE;
END
END
else
BEGIN
ch=LastChar; LastChar='\0';
END
/* jetzt Zeichen kopieren, bis Leerzeichen */
run=Dest;
SaveSep='\0';
if (isalphanum(*(run++)=ch))
BEGIN
do
BEGIN
ch=GetChar();
Good=(NOT issep(ch)) AND (isalphanum(ch)) AND (ch!=EOF);
if (Good) *(run++)=ch;
END
while (Good);
/* Dateiende ? */
if (ch==EOF) DidEOF=TRUE;
/* Zeichen speichern ? */
else if ((NOT issep(ch)) AND (NOT isalphanum(ch))) LastChar=ch;
/* Separator speichern ? */
else if (issep(ch)) SaveSep=' ';
END
/* Ende */
*run='\0'; return True;
END
static void BackToken(char *Token)
BEGIN
if (PushedTokenCnt>=16) return;
strcpy(PushedTokens[PushedTokenCnt].Token,Token);
strcpy(PushedTokens[PushedTokenCnt].Sep,SepString);
PushedTokenCnt++;
END
/*--------------------------------------------------------------------------*/
static void assert_token(char *ref)
BEGIN
char token[TOKLEN];
ReadToken(token);
if (strcmp(ref,token)!=0)
BEGIN
sprintf(token,"\"%s\" expected",ref); error(token);
END
END
static void collect_token(char *dest, char *term)
BEGIN
char Comp[TOKLEN];
Boolean first=TRUE,done;
*dest='\0';
do
BEGIN
ReadToken(Comp);
done=(strcmp(Comp,term)==0);
if (NOT done)
BEGIN
if (NOT first) strcat(dest,SepString);
strcat(dest,Comp);
END
first=False;
END
while (NOT done);
END
/*--------------------------------------------------------------------------*/
static char OutLineBuffer[TOKLEN]="",SideMargin[TOKLEN];
static void PutLine(Boolean DoBlock)
BEGIN
int l,n,ptrcnt,diff,div,mod,divmod;
char *chz,*ptrs[50];
Boolean SkipFirst,IsFirst;
fputs(Blanks(LeftMargin-1),outfile);
if ((CurrEnv==EnvRaggedRight) OR (NOT DoBlock))
BEGIN
fprintf(outfile,"%s",OutLineBuffer);
l=strlen(OutLineBuffer);
END
else
BEGIN
SkipFirst=((CurrEnv==EnvItemize) OR (CurrEnv==EnvEnumerate) OR (CurrEnv==EnvDescription) OR (CurrEnv==EnvBiblio));
if (LeftMargin==ActLeftMargin) SkipFirst=False;
l=ptrcnt=0; IsFirst=SkipFirst;
for (chz=OutLineBuffer; *chz!='\0'; chz++)
BEGIN
if ((chz>OutLineBuffer) AND (*(chz-1)!=' ') AND (*chz==' '))
BEGIN
if (NOT IsFirst) ptrs[ptrcnt++]=chz;
IsFirst=False;
END
l++;
END
diff=RightMargin-LeftMargin+1-l;
div=(ptrcnt>0) ? diff/ptrcnt : 0; mod=diff-(ptrcnt*div);
divmod=(mod>0) ? ptrcnt/mod : ptrcnt+1;
IsFirst=SkipFirst;
ptrcnt=0;
for (chz=OutLineBuffer; *chz!='\0'; chz++)
BEGIN
fputc(*chz,outfile);
if ((chz>OutLineBuffer) AND (*(chz-1)!=' ') AND (*chz==' '))
BEGIN
if (NOT IsFirst)
BEGIN
n=div;
if ((mod>0) AND ((ptrcnt%divmod)==0))
BEGIN
mod--; n++;
END
if (n>0) fputs(Blanks(n),outfile);
ptrcnt++;
END
IsFirst=False;
END
END
l=RightMargin-LeftMargin+1;
END
if (*SideMargin!='\0')
BEGIN
fputs(Blanks(RightMargin-LeftMargin+4-l),outfile);
#if 0
fprintf(outfile,"%s",SideMargin);
#endif
*SideMargin='\0';
END
fputc('\n',outfile);
LeftMargin=ActLeftMargin;
END
static void AddLine(char *Part, char *Sep)
BEGIN
int mlen=RightMargin-LeftMargin+1;
char *search,save;
if (strlen(Sep)>1) Sep[1]='\0';
if (*OutLineBuffer!='\0') strcat(OutLineBuffer,Sep);
strcat(OutLineBuffer,Part);
if (strlen(OutLineBuffer)>=mlen)
BEGIN
search=OutLineBuffer+mlen;
while (search>=OutLineBuffer)
BEGIN
if (*search==' ') break;
search--;
END
if (search<=OutLineBuffer)
BEGIN
PutLine(False); *OutLineBuffer='\0';
END
else
BEGIN
save=(*search); *search='\0';
PutLine(False); *search=save;
for (; *search==' '; search++);
strcpy(OutLineBuffer,search);
END
END
END
static void AddSideMargin(char *Part, char *Sep)
BEGIN
if (strlen(Sep)>1) Sep[1]='\0';
if (*Sep!='\0')
if ((*SideMargin!='\0') OR (NOT issep(*Sep))) strcat(SideMargin,Sep);
strcat(SideMargin,Part);
END
static void FlushLine(void)
BEGIN
if (*OutLineBuffer!='\0')
BEGIN
PutLine(False);
*OutLineBuffer='\0';
END
END
static void ResetLine(void)
BEGIN
*OutLineBuffer='\0';
END
static void AddTableEntry(char *Part, char *Sep)
BEGIN
char *Ptr=ThisTable.Lines[CurrRow][CurrCol];
int nlen=(Ptr==Nil) ? 0 : strlen(Ptr);
Boolean UseSep=(nlen>0);
if (strlen(Sep)>1) Sep[1]='\0';
if (UseSep) nlen+=strlen(Sep); nlen+=strlen(Part);
if (Ptr==Nil)
BEGIN
Ptr=(char *) malloc(nlen+1); *Ptr='\0';
END
else Ptr=(char *) realloc(Ptr,nlen+1);
if (UseSep) strcat(Ptr,Sep); strcat(Ptr,Part);
ThisTable.Lines[CurrRow][CurrCol]=Ptr;
END
static void DoAddNormal(char *Part, char *Sep)
BEGIN
if (strcmp(Part,"<")==0) Part="&lt;";
else if (strcmp(Part,">")==0) Part="&gt;";
else if (strcmp(Part,"&")==0) Part="&amp;";
switch (CurrEnv)
BEGIN
case EnvMarginPar: AddSideMargin(Part,Sep); break;
case EnvTabular: AddTableEntry(Part,Sep); break;
default: AddLine(Part,Sep);
END
END
/*--------------------------------------------------------------------------*/
static void SaveFont(void)
BEGIN
PFontSave NewSave;
NewSave=(PFontSave) malloc(sizeof(TFontSave));
NewSave->Next=FontStack;
NewSave->FontSize=CurrFontSize;
NewSave->FontFlags=CurrFontFlags;
FontStack=NewSave; FontNest++;
END
static void PrFontDiff(int OldFlags, int NewFlags)
BEGIN
TFontType z;
int Mask;
char erg[10];
for (z=FontStandard+1,Mask=2; z<FontCnt; z++,Mask=Mask<<1)
if ((OldFlags^NewFlags)&Mask)
BEGIN
sprintf(erg,"<%s%s>",(NewFlags&Mask)?"":"/",FontNames[z]);
DoAddNormal(erg,"");
END
END
static void PrFontSize(TFontSize Type, Boolean On)
BEGIN
char erg[10];
strcpy(erg,"<");
if (FontNormalSize==Type) return;
if (NOT On) strcat(erg,"/");
switch (Type)
BEGIN
case FontTiny:
case FontSmall: strcat(erg,"SMALL"); break;
case FontLarge:
case FontHuge: strcat(erg,"BIG"); break;
default: break;
END
strcat (erg,">");
DoAddNormal(erg,"");
if ((FontTiny==Type) OR (FontHuge==Type)) DoAddNormal(erg,"");
END
static void RestoreFont(void)
BEGIN
PFontSave OldSave;
if (FontStack==Nil) return;
PrFontDiff(CurrFontFlags,FontStack->FontFlags);
PrFontSize(CurrFontSize,False);
OldSave=FontStack; FontStack=FontStack->Next;
CurrFontSize=OldSave->FontSize;
CurrFontFlags=OldSave->FontFlags;
free(OldSave);
FontNest--;
END
static void SaveEnv(EnvType NewEnv)
BEGIN
PEnvSave NewSave;
NewSave=(PEnvSave) malloc(sizeof(TEnvSave));
NewSave->Next=EnvStack;
NewSave->ListDepth=CurrListDepth;
NewSave->LeftMargin=LeftMargin;
NewSave->ActLeftMargin=ActLeftMargin;
NewSave->RightMargin=RightMargin;
NewSave->EnumCounter=EnumCounter;
NewSave->SaveEnv=CurrEnv;
NewSave->FontNest=FontNest;
NewSave->InListItem=InListItem;
EnvStack=NewSave;
CurrEnv=NewEnv;
FontNest=0;
END
static void RestoreEnv(void)
BEGIN
PEnvSave OldSave;
OldSave=EnvStack; EnvStack=OldSave->Next;
CurrListDepth=OldSave->ListDepth;
LeftMargin=OldSave->LeftMargin;
ActLeftMargin=OldSave->ActLeftMargin;
RightMargin=OldSave->RightMargin;
EnumCounter=OldSave->EnumCounter;
FontNest=OldSave->FontNest;
InListItem=OldSave->InListItem;
CurrEnv=OldSave->SaveEnv;
free(OldSave);
END
static void InitTableRow(int Index)
BEGIN
int z;
for (z=0; z<ThisTable.TColumnCount; ThisTable.Lines[Index][z++]=Nil);
ThisTable.MultiFlags[Index]=False;
ThisTable.LineFlags[Index]=False;
END
static void NextTableColumn(void)
BEGIN
if (CurrEnv!=EnvTabular) error("table separation char not within tabular environment");
if ((ThisTable.MultiFlags[CurrRow])
OR (CurrCol>=ThisTable.TColumnCount))
error("too many columns within row");
CurrCol++;
END
static void DumpTable(void)
BEGIN
int TextCnt,RowCnt,rowz,rowz2,rowz3,colz,colptr,ml,l,diff,sumlen,firsttext,indent;
char *ColTag;
/* compute widths of individual rows */
/* get index of first text column */
RowCnt=(ThisTable.Lines[CurrRow][0]!=Nil) ? CurrRow+1 : CurrRow;
firsttext=(-1);
for (colz=colptr=0; colz<ThisTable.ColumnCount; colz++)
if (ThisTable.ColTypes[colz]==ColBar) ThisTable.ColLens[colz]=1;
else
BEGIN
ml=0;
for (rowz=0; rowz<RowCnt; rowz++)
if ((NOT ThisTable.LineFlags[rowz]) AND (NOT ThisTable.MultiFlags[rowz]))
BEGIN
l=(ThisTable.Lines[rowz][colptr]==Nil) ? 0 : strlen(ThisTable.Lines[rowz][colptr]);
if (ml<l) ml=l;
END
ThisTable.ColLens[colz]=ml+2;
colptr++;
if (firsttext<0) firsttext=colz;
END
/* count number of text columns */
for (colz=TextCnt=0; colz<ThisTable.ColumnCount; colz++)
if (ThisTable.ColTypes[colz]!=ColBar) TextCnt++;
/* get total width */
for (colz=sumlen=0; colz<ThisTable.ColumnCount; sumlen+=ThisTable.ColLens[colz++]);
indent=(RightMargin-LeftMargin+1-sumlen)/2; if (indent<0) indent=0;
/* search for multicolumns and extend first field if table is too lean */
ml=0;
for (rowz=0; rowz<RowCnt; rowz++)
if ((NOT ThisTable.LineFlags[rowz]) AND (ThisTable.MultiFlags[rowz]))
BEGIN
l=(ThisTable.Lines[rowz][0]==Nil) ? 0 : strlen(ThisTable.Lines[rowz][0]);
if (ml<l) ml=l;
END
if (ml+4>sumlen)
BEGIN
diff=ml+4-sumlen;
ThisTable.ColLens[firsttext]+=diff;
END
/* tell browser to switch to table mode */
fprintf(outfile,"<P><CENTER><TABLE SUMMARY=\"No Summary\" BORDER=1 CELLPADDING=5>\n");
/* print rows */
rowz=0;
while (rowz<RowCnt)
BEGIN
/* find first text line */
for (; rowz<RowCnt; rowz++)
if (NOT ThisTable.LineFlags[rowz]) break;
/* find last text line */
for (rowz2=rowz; rowz2<RowCnt; rowz2++)
if (ThisTable.LineFlags[rowz2]) break;
rowz2--;
if (rowz<RowCnt)
BEGIN
/* if more than one line follows, take this as header line(s) */
if ((rowz2<=RowCnt-3) AND (ThisTable.LineFlags[rowz2+1]) AND (ThisTable.LineFlags[rowz2+2]))
ColTag="TH";
else
ColTag="TD";
/* start a row */
fprintf(outfile,"<TR ALIGN=LEFT>\n");
/* over all columns... */
colptr=0;
for (colz=0; colz<((ThisTable.MultiFlags[rowz])?firsttext+1:ThisTable.ColumnCount); colz++)
if (ThisTable.ColTypes[colz]!=ColBar)
BEGIN
/* start a column */
fprintf(outfile,"<%s VALIGN=TOP NOWRAP",ColTag);
if (ThisTable.MultiFlags[rowz]) fprintf(outfile," COLSPAN=%d",TextCnt);
switch(ThisTable.ColTypes[colz])
BEGIN
case ColLeft: fputs(" ALIGN=LEFT>",outfile); break;
case ColCenter: fputs(" ALIGN=CENTER>",outfile); break;
case ColRight: fputs(" ALIGN=RIGHT>",outfile); break;
default: break;
END
/* write items */
for (rowz3=rowz; rowz3<=rowz2; rowz3++)
BEGIN
if (ThisTable.Lines[rowz3][colptr]!=Nil)
BEGIN
fputs(ThisTable.Lines[rowz3][colptr],outfile);
free(ThisTable.Lines[rowz3][colptr]);
END
if (rowz3!=rowz2) fputs("<BR>\n",outfile);
END
/* end column */
fprintf(outfile,"</%s>\n",ColTag);
colptr++;
END
/* end row */
fprintf(outfile,"</TR>\n");
rowz=rowz2+1;
END
END
/* end table mode */
fprintf(outfile,"</TABLE></CENTER>\n");
END
static void GetTableName(char *Dest)
BEGIN
if (InAppendix) sprintf(Dest,"%c.%d",Chapters[0]+'A',TableNum);
else sprintf(Dest,"%d.%d",Chapters[0],TableNum);
END
static char *GetSectionName(char *Dest)
BEGIN
char *run=Dest;
int z;
for (z=0; z<=2; z++)
BEGIN
if ((z>0) AND (Chapters[z]==0)) break;
if ((InAppendix) AND (z==0))
run+=sprintf(run,"%c.",Chapters[z]+'A');
else run+=sprintf(run,"%d.",Chapters[z]);
END
return run;
END
static void AddToc(char *Line)
BEGIN
PTocSave NewTocSave,RunToc;
NewTocSave=(PTocSave) malloc(sizeof(TTocSave));
NewTocSave->Next=Nil;
NewTocSave->TocName=strdup(Line);
if (FirstTocSave==Nil) FirstTocSave=NewTocSave;
else
BEGIN
for (RunToc=FirstTocSave; RunToc->Next!=Nil; RunToc=RunToc->Next);
RunToc->Next=NewTocSave;
END
END
/*--------------------------------------------------------------------------*/
static char BackSepString[TOKLEN];
static void TeXFlushLine(Word Index)
BEGIN
if (CurrEnv==EnvTabular)
BEGIN
for (CurrCol++; CurrCol<ThisTable.TColumnCount; ThisTable.Lines[CurrRow][CurrCol++]=strdup(""));
CurrRow++;
if (CurrRow==MAXROWS) error("too many rows in table");
InitTableRow(CurrRow); CurrCol=0;
END
else if (CurrEnv==EnvTabbing)
BEGIN
CurrTabStop=0;
PrFontDiff(CurrFontFlags,0);
AddLine("</TD></TR>",""); FlushLine();
AddLine("<TR><TD NOWRAP>","");
PrFontDiff(0,CurrFontFlags);
END
else
BEGIN
if (*OutLineBuffer=='\0') strcpy(OutLineBuffer," ");
AddLine("<BR>",""); FlushLine();
END
END
static void TeXKillLine(Word Index)
BEGIN
ResetLine();
if (CurrEnv==EnvTabbing)
BEGIN
AddLine("<TR><TD NOWRAP>","");
PrFontDiff(0,CurrFontFlags);
END
END
static void TeXDummy(Word Index)
BEGIN
END
static void TeXDummyNoBrack(Word Index)
BEGIN
char Token[TOKLEN];
ReadToken(Token);
END
static void TeXDummyInCurl(Word Index)
BEGIN
char Token[TOKLEN];
assert_token("{");
ReadToken(Token);
assert_token("}");
END
static void TeXNewCommand(Word Index)
BEGIN
char Token[TOKLEN];
int level;
assert_token("{");
assert_token("\\");
ReadToken(Token);
assert_token("}");
ReadToken(Token);
if (strcmp(Token,"[")==0)
BEGIN
ReadToken(Token);
assert_token("]");
END
assert_token("{"); level=1;
do
BEGIN
ReadToken(Token);
if (strcmp(Token,"{")==0) level++;
else if (strcmp(Token,"}")==0) level--;
END
while (level!=0);
END
static void TeXDef(Word Index)
BEGIN
char Token[TOKLEN];
int level;
assert_token("\\");
ReadToken(Token);
assert_token("{"); level=1;
do
BEGIN
ReadToken(Token);
if (strcmp(Token,"{")==0) level++;
else if (strcmp(Token,"}")==0) level--;
END
while (level!=0);
END
static void TeXFont(Word Index)
BEGIN
char Token[TOKLEN];
assert_token("\\");
ReadToken(Token); assert_token("="); ReadToken(Token); ReadToken(Token);
assert_token("\\"); ReadToken(Token);
END
static void TeXAppendix(Word Index)
BEGIN
int z;
InAppendix=True;
*Chapters=(-1);
for (z=1; z<CHAPMAX; Chapters[z++]=0);
END
static int LastLevel;
static void TeXNewSection(Word Level)
BEGIN
int z;
if (Level>=CHAPMAX) return;
FlushLine(); fputc('\n',outfile);
assert_token("{"); LastLevel=Level;
SaveEnv(EnvHeading); RightMargin=200;
Chapters[Level]++;
for (z=Level+1; z<CHAPMAX; Chapters[z++]=0);
if (Level==0) TableNum=0;
END
static void EndSectionHeading(void)
BEGIN
int Level=LastLevel;
char Line[TOKLEN],Title[TOKLEN],Ref[TOKLEN],*run,*rep;
strcpy(Title,OutLineBuffer); *OutLineBuffer='\0';
fprintf(outfile, "<H%d>", Level + 1);
run = Line;
if (Level < 3)
BEGIN
GetSectionName(Ref);
for (rep = Ref; *rep != '\0'; rep++)
if (*rep == '.') *rep = '_';
fprintf(outfile, "<A NAME=\"sect_%s\">", Ref);
run = GetSectionName(run);
run += sprintf(run, " ");
END
sprintf(run, "%s", Title);
fprintf(outfile, "%s", Line);
if (Level < 3)
BEGIN
fputs("</A>", outfile);
run = Line; run = GetSectionName(run);
run += sprintf(run," "); sprintf(run, "%s", Title);
AddToc(Line);
END
fprintf(outfile, "</H%d>\n", Level + 1);
END
static EnvType GetEnvType(char *Name)
BEGIN
EnvType z;
for (z=EnvNone+1; z<EnvCount; z++)
if (strcmp(Name,EnvNames[z])==0) return z;
error("unknown environment");
return EnvNone;
END
static void TeXBeginEnv(Word Index)
BEGIN
char EnvName[TOKLEN],Add[TOKLEN],*p;
EnvType NEnv;
Boolean done;
TColumn NCol;
assert_token("{");
ReadToken(EnvName);
if ((NEnv=GetEnvType(EnvName))==EnvTable)
BEGIN
ReadToken(Add);
if (strcmp(Add,"*")==0) assert_token("}");
else if (strcmp(Add,"}")!=0) error("unknown table environment");
END
else assert_token("}");
if (NEnv!=EnvVerbatim) SaveEnv(NEnv);
switch (NEnv)
BEGIN
case EnvDocument:
fputs("</HEAD>\n",outfile);
fputs("<BODY>\n",outfile);
break;
case EnvItemize:
FlushLine(); fprintf(outfile,"<UL>\n");
++CurrListDepth;
ActLeftMargin=LeftMargin=(CurrListDepth*4)+1;
RightMargin=70;
EnumCounter=0;
InListItem=False;
break;
case EnvDescription:
FlushLine(); fprintf(outfile,"<DL COMPACT>\n");
++CurrListDepth;
ActLeftMargin=LeftMargin=(CurrListDepth*4)+1;
RightMargin=70;
EnumCounter=0;
InListItem=False;
break;
case EnvEnumerate:
FlushLine(); fprintf(outfile,"<OL>\n");
++CurrListDepth;
ActLeftMargin=LeftMargin=(CurrListDepth*4)+1;
RightMargin=70;
EnumCounter=0;
InListItem=False;
break;
case EnvBiblio:
FlushLine(); fprintf(outfile,"<P>\n");
fprintf(outfile,"<H1><A NAME=\"sect_bib\">%s</A></H1>\n<DL COMPACT>\n",BiblioName);
assert_token("{"); ReadToken(Add); assert_token("}");
ActLeftMargin=LeftMargin=4+(BibIndent=strlen(Add));
AddToc(BiblioName);
break;
case EnvVerbatim:
FlushLine(); fprintf(outfile,"<PRE>\n");
if ((*BufferLine!='\0') AND (*BufferPtr!='\0'))
BEGIN
fprintf(outfile,"%s",BufferPtr);
*BufferLine='\0'; BufferPtr=BufferLine;
END
do
BEGIN
fgets(Add,TOKLEN-1,infiles[IncludeNest-1]); CurrLine++;
done=strstr(Add,"\\end{verbatim}")!=Nil;
if (NOT done)
BEGIN
for (p=Add; *p!='\0';)
if (*p=='<')
BEGIN
memmove(p+3,p,strlen(p)+1);
memcpy(p,"&lt;",4);
p+=4;
END
else if (*p=='>')
BEGIN
memmove(p+3,p,strlen(p)+1);
memcpy(p,"&gt;",4);
p+=4;
END
else p++;
fprintf(outfile,"%s",Add);
END
END
while (NOT done);
fprintf(outfile,"\n</PRE>\n");
break;
case EnvQuote:
FlushLine(); fprintf(outfile,"<BLOCKQUOTE>\n");
ActLeftMargin=LeftMargin=5;
RightMargin=70;
break;
case EnvTabbing:
FlushLine(); fputs("<TABLE SUMMARY=\"No Summary\" CELLPADDING=2>\n",outfile);
TabStopCnt=0; CurrTabStop=0; RightMargin=TOKLEN-1;
AddLine("<TR><TD NOWRAP>","");
PrFontDiff(0,CurrFontFlags);
break;
case EnvTable:
ReadToken(Add);
if (strcmp(Add,"[")!=0) BackToken(Add);
else
do
BEGIN
ReadToken(Add);
END
while (strcmp(Add,"]")!=0);
FlushLine(); fputc('\n',outfile);
++TableNum;
break;
case EnvCenter:
FlushLine();
fputs("<CENTER>\n",outfile);
break;
case EnvRaggedRight:
FlushLine();
fputs("<DIV ALIGN=LEFT>\n",outfile);
break;
case EnvRaggedLeft:
FlushLine();
fputs("<DIV ALIGN=RIGHT>\n",outfile);
break;
case EnvTabular:
FlushLine(); assert_token("{");
ThisTable.ColumnCount=ThisTable.TColumnCount=0;
do
BEGIN
ReadToken(Add);
done=strcmp(Add,"}")==0;
if (NOT done)
BEGIN
if (ThisTable.ColumnCount>=MAXCOLS) error("too many columns in table");
NCol=ColLeft;
if (strcmp(Add,"|")==0) NCol=ColBar;
else if (strcmp(Add,"l")==0) NCol=ColLeft;
else if (strcmp(Add,"r")==0) NCol=ColRight;
else if (strcmp(Add,"c")==0) NCol=ColCenter;
else error("unknown table column descriptor");
if ((ThisTable.ColTypes[ThisTable.ColumnCount++]=NCol)!=ColBar)
ThisTable.TColumnCount++;
END
END
while (NOT done);
InitTableRow(CurrRow=0); CurrCol=0;
break;
default:
break;
END
END
static void TeXEndEnv(Word Index)
BEGIN
char EnvName[TOKLEN],Add[TOKLEN];
EnvType NEnv;
assert_token("{");
ReadToken(EnvName);
if ((NEnv=GetEnvType(EnvName))==EnvTable)
BEGIN
ReadToken(Add);
if (strcmp(Add,"*")==0) assert_token("}");
else if (strcmp(Add,"}")!=0) error("unknown table environment");
END
else assert_token("}");
if (EnvStack==Nil) error("end without begin");
if (CurrEnv!=NEnv) error("begin and end of environment do not match");
switch (CurrEnv)
BEGIN
case EnvDocument:
FlushLine();
fputs("</BODY>\n",outfile);
break;
case EnvItemize:
if (InListItem) AddLine("</LI>","");
FlushLine(); fprintf(outfile,"</UL>\n");
break;
case EnvDescription:
if (InListItem) AddLine("</DD>","");
FlushLine(); fprintf(outfile,"</DL>\n");
break;
case EnvEnumerate:
if (InListItem) AddLine("</LI>","");
FlushLine(); fprintf(outfile,"</OL>\n");
break;
case EnvQuote:
FlushLine(); fprintf(outfile,"</BLOCKQUOTE>\n");
break;
case EnvBiblio:
FlushLine(); fprintf(outfile,"</DL>\n");
break;
case EnvTabbing:
PrFontDiff(CurrFontFlags,0);
AddLine("</TD></TR>",""); FlushLine();
fputs("</TABLE>",outfile);
break;
case EnvCenter:
FlushLine();
fputs("</CENTER>\n",outfile);
break;
case EnvRaggedRight:
case EnvRaggedLeft:
FlushLine();
fputs("</DIV>\n",outfile);
break;
case EnvTabular:
DumpTable();
break;
case EnvTable:
FlushLine(); fputc('\n',outfile);
break;
default:
break;
END
RestoreEnv();
END
static void TeXItem(Word Index)
BEGIN
char Token[TOKLEN],Acc[TOKLEN];
if (InListItem)
AddLine((CurrEnv==EnvDescription) ? "</DD>" : "</LI>","");
FlushLine();
InListItem=True;
switch(CurrEnv)
BEGIN
case EnvItemize:
fprintf(outfile,"<LI>");
LeftMargin=ActLeftMargin-3;
break;
case EnvEnumerate:
fprintf(outfile,"<LI>");
LeftMargin=ActLeftMargin-4;
break;
case EnvDescription:
ReadToken(Token);
if (strcmp(Token,"[")!=0) BackToken(Token);
else
BEGIN
collect_token(Acc,"]");
LeftMargin=ActLeftMargin-4;
fprintf(outfile,"<DT>%s",Acc);
END
fprintf(outfile,"<DD>");
break;
default:
error("\\item not in a list environment");
END
END
static void TeXBibItem(Word Index)
BEGIN
char NumString[20],Token[TOKLEN],Name[TOKLEN],Value[TOKLEN];
if (CurrEnv!=EnvBiblio) error("\\bibitem not in bibliography environment");
assert_token("{"); collect_token(Name,"}");
FlushLine(); AddLine("<DT>",""); ++BibCounter;
LeftMargin=ActLeftMargin-BibIndent-3;
sprintf(Value,"<A NAME=\"cite_%s\">",Name);
DoAddNormal(Value,"");
sprintf(NumString,"[%*d] </A><DD>",BibIndent,BibCounter);
AddLine(NumString,"");
sprintf(NumString,"%d",BibCounter);
AddCite(Name,NumString);
ReadToken(Token); *SepString='\0'; BackToken(Token);
END
static void TeXAddDollar(Word Index)
BEGIN
DoAddNormal("$",BackSepString);
END
static void TeXAddUnderbar(Word Index)
BEGIN
DoAddNormal("_",BackSepString);
END
static void TeXAddPot(Word Index)
BEGIN
DoAddNormal("^",BackSepString);
END
static void TeXAddAmpersand(Word Index)
BEGIN
DoAddNormal("&",BackSepString);
END
static void TeXAddAt(Word Index)
BEGIN
DoAddNormal("@",BackSepString);
END
static void TeXAddImm(Word Index)
BEGIN
DoAddNormal("#",BackSepString);
END
static void TeXAddPercent(Word Index)
BEGIN
DoAddNormal("%",BackSepString);
END
static void TeXAddSSharp(Word Index)
BEGIN
DoAddNormal("&szlig;",BackSepString);
END
static void TeXAddIn(Word Index)
BEGIN
DoAddNormal("in",BackSepString);
END
static void TeXAddReal(Word Index)
BEGIN
DoAddNormal("R",BackSepString);
END
static void TeXAddGreekMu(Word Index)
BEGIN
DoAddNormal("&micro;",BackSepString);
END
static void TeXAddGreekPi(Word Index)
BEGIN
DoAddNormal("Pi",BackSepString);
END
static void TeXAddLessEq(Word Index)
BEGIN
DoAddNormal("<=",BackSepString);
END
static void TeXAddGreaterEq(Word Index)
BEGIN
DoAddNormal(">=",BackSepString);
END
static void TeXAddNotEq(Word Index)
BEGIN
DoAddNormal("<>",BackSepString);
END
static void TeXAddMid(Word Index)
BEGIN
DoAddNormal("|",BackSepString);
END
static void TeXAddRightArrow(Word Index)
BEGIN
DoAddNormal("->",BackSepString);
END
static void TeXAddLongRightArrow(Word Index)
BEGIN
DoAddNormal("-->",BackSepString);
END
static void TeXAddLeftArrow(Word Index)
BEGIN
DoAddNormal("<-",BackSepString);
END
static void TeXAddLeftRightArrow(Word Index)
BEGIN
DoAddNormal("<->",BackSepString);
END
static void TeXDoFrac(Word Index)
BEGIN
assert_token("{"); *SepString='\0'; BackToken("("); FracState=0;
END
static void NextFracState(void)
BEGIN
if (FracState==0)
BEGIN
assert_token("{");
*SepString='\0';
BackToken(")"); BackToken("/"); BackToken("(");
END
else if (FracState==1)
BEGIN
*SepString='\0'; BackToken(")");
END
if ((++FracState)==2) FracState=(-1);
END
static void TeXNewFontType(Word Index)
BEGIN
int NewFontFlags;
if (Index==FontStandard) NewFontFlags=0; else NewFontFlags=CurrFontFlags|(1<<Index);
PrFontDiff(CurrFontFlags,NewFontFlags);
CurrFontFlags=NewFontFlags;
END
static void TeXEnvNewFontType(Word Index)
BEGIN
char NToken[TOKLEN];
SaveFont();
TeXNewFontType(Index);
assert_token("{");
ReadToken(NToken);
strcpy(SepString,BackSepString);
BackToken(NToken);
END
static void TeXNewFontSize(Word Index)
BEGIN
PrFontSize(CurrFontSize=(TFontSize) Index,True);
END
static void TeXEnvNewFontSize(Word Index)
BEGIN
char NToken[TOKLEN];
SaveFont();
TeXNewFontSize(Index);
assert_token("{");
ReadToken(NToken);
strcpy(SepString,BackSepString);
BackToken(NToken);
END
static void TeXAddMarginPar(Word Index)
BEGIN
assert_token("{");
SaveEnv(EnvMarginPar);
END
static void TeXAddCaption(Word Index)
BEGIN
char tmp[100];
int cnt;
assert_token("{");
if (CurrEnv!=EnvTable) error("caption outside of a table");
FlushLine(); fputs("<P><CENTER>",outfile);
SaveEnv(EnvCaption);
AddLine(TableName,""); cnt=strlen(TableName);
GetTableName(tmp); strcat(tmp,": ");
AddLine(tmp," "); cnt+=1+strlen(tmp);
LeftMargin=1; ActLeftMargin=cnt+1; RightMargin=70;
END
static void TeXHorLine(Word Index)
BEGIN
if (CurrEnv!=EnvTabular) error("\\hline outside of a table");
if (ThisTable.Lines[CurrRow][0]!=Nil) InitTableRow(++CurrRow);
ThisTable.LineFlags[CurrRow]=True;
InitTableRow(++CurrRow);
END
static void TeXMultiColumn(Word Index)
BEGIN
char Token[TOKLEN],*endptr;
int cnt;
if (CurrEnv!=EnvTabular) error("\\hline outside of a table");
if (CurrCol!=0) error("\\multicolumn must be in first column");
assert_token("{"); ReadToken(Token); assert_token("}");
cnt=strtol(Token,&endptr,10);
if (*endptr!='\0') error("invalid numeric format to \\multicolumn");
if (cnt!=ThisTable.TColumnCount) error("\\multicolumn must span entire table");
assert_token("{");
do
BEGIN
ReadToken(Token);
END
while (strcmp(Token,"}")!=0);
ThisTable.MultiFlags[CurrRow]=True;
END
static void TeXIndex(Word Index)
BEGIN
char Token[TOKLEN],Erg[TOKLEN];
PIndexSave run,prev,neu;
assert_token("{");
collect_token(Token,"}");
run=FirstIndex; prev=Nil;
while ((run!=Nil) AND (strcmp(Token,run->Name)>0))
BEGIN
prev=run; run=run->Next;
END
if ((run==Nil) OR (strcmp(Token,run->Name)<0))
BEGIN
neu=(PIndexSave) malloc(sizeof(TIndexSave));
neu->Next=run;
neu->RefCnt=1;
neu->Name=strdup(Token);
if (prev==Nil) FirstIndex=neu; else prev->Next=neu;
run=neu;
END
else run->RefCnt++;
sprintf(Erg,"<A NAME=\"index_%s_%d\"></A>",Token,run->RefCnt);
DoAddNormal(Erg,"");
END
static int GetDim(Double *Factors)
BEGIN
char Acc[TOKLEN];
static char *UnitNames[]={"cm","mm",""},**run,*endptr;
Double Value;
assert_token("{"); collect_token(Acc,"}");
for (run=UnitNames; **run!='\0'; run++)
if (strcmp(*run,Acc+strlen(Acc)-strlen(*run))==0) break;
if (**run=='\0') error("unknown unit for dimension");
Acc[strlen(Acc)-strlen(*run)]='\0';
Value=strtod(Acc,&endptr);
if (*endptr!='\0') error("invalid numeric format for dimension");
return (int)(Value*Factors[run-UnitNames]);
END
static Double HFactors[]={4.666666,0.4666666,0};
static Double VFactors[]={3.111111,0.3111111,0};
static void TeXHSpace(Word Index)
BEGIN
DoAddNormal(Blanks(GetDim(HFactors)),"");
END
static void TeXVSpace(Word Index)
BEGIN
int z,erg;
erg=GetDim(VFactors);
FlushLine();
for (z=0; z<erg; z++) fputc('\n',outfile);
END
static void TeXRule(Word Index)
BEGIN
int h=GetDim(HFactors);
char Rule[200];
GetDim(VFactors);
sprintf(Rule,"<HR WIDTH=\"%d%%\" ALIGN=LEFT>",(h*100)/70);
DoAddNormal(Rule,BackSepString);
END
static void TeXAddTabStop(Word Index)
BEGIN
int z,n,p;
if (CurrEnv!=EnvTabbing) error("tab marker outside of tabbing environment");
if (TabStopCnt>=TABMAX) error("too many tab stops");
n=strlen(OutLineBuffer);
for (p=0; p<TabStopCnt; p++)
if (TabStops[p]>n) break;
for (z=TabStopCnt-1; z>=p; z--) TabStops[z+1]=TabStops[z];
TabStops[p]=n; TabStopCnt++;
PrFontDiff(CurrFontFlags,0);
DoAddNormal("</TD><TD NOWRAP>","");
PrFontDiff(0,CurrFontFlags);
END
static void TeXJmpTabStop(Word Index)
BEGIN
if (CurrEnv!=EnvTabbing) error("tab trigger outside of tabbing environment");
if (CurrTabStop>=TabStopCnt) error("not enough tab stops");
PrFontDiff(CurrFontFlags,0);
DoAddNormal("</TD><TD NOWRAP>","");
PrFontDiff(0,CurrFontFlags);
CurrTabStop++;
END
static void TeXDoVerb(Word Index)
BEGIN
char Token[TOKLEN],*pos,Marker;
ReadToken(Token);
if (*SepString!='\0') error("invalid control character for \\verb");
Marker=(*Token); strcpy(Token,Token+1); strcpy(SepString,BackSepString);
do
BEGIN
DoAddNormal(SepString,"");
pos=strchr(Token,Marker);
if (pos!=Nil)
BEGIN
*pos='\0'; DoAddNormal(Token,"");
*SepString='\0'; BackToken(pos+1);
break;
END
else
BEGIN
DoAddNormal(Token,""); ReadToken(Token);
END
END
while (True);
END
static void TeXErrEntry(Word Index)
BEGIN
char Token[TOKLEN];
assert_token("{"); ReadToken(Token); assert_token("}"); assert_token("{");
*SepString='\0';
BackToken("\\"); BackToken("item"); BackToken("["); BackToken(Token); BackToken("]");
ErrState=0;
END
static void NextErrState(void)
BEGIN
if (ErrState<3) assert_token("{");
if (ErrState==0)
BEGIN
*SepString='\0';
BackToken("\\"); BackToken("begin"); BackToken("{"); BackToken("description"); BackToken("}");
END
if ((ErrState>=0) AND (ErrState<=2))
BEGIN
*SepString='\0';
BackToken("\\"); BackToken("item"); BackToken("["); BackToken(ErrorEntryNames[ErrState]);
BackToken(":"); BackToken("]"); BackToken("\\"); BackToken("\\");
END
if (ErrState==3)
BEGIN
*SepString='\0';
BackToken("\\"); BackToken("\\"); BackToken(" ");
BackToken("\\"); BackToken("end"); BackToken("{"); BackToken("description"); BackToken("}");
ErrState=(-1);
END
else ErrState++;
END
static void TeXWriteLabel(Word Index)
BEGIN
char Name[TOKLEN],Value[TOKLEN];
assert_token("{"); collect_token(Name,"}");
if (CurrEnv==EnvCaption) GetTableName(Value);
else
BEGIN
GetSectionName(Value);
if (Value[strlen(Value)-1]=='.') Value[strlen(Value)-1]='\0';
END
AddLabel(Name,Value);
sprintf(Value,"<A NAME=\"ref_%s\"></A>",Name);
DoAddNormal(Value,"");
END
static void TeXWriteRef(Word Index)
BEGIN
char Name[TOKLEN],Value[TOKLEN],HRef[TOKLEN];
assert_token("{"); collect_token(Name,"}");
GetLabel(Name,Value);
sprintf(HRef,"<A HREF=\"#ref_%s\">",Name);
DoAddNormal(HRef,BackSepString);
DoAddNormal(Value,"");
DoAddNormal("</A>","");
END
static void TeXWriteCitation(Word Index)
BEGIN
char Name[TOKLEN],Value[TOKLEN],HRef[TOKLEN];
assert_token("{"); collect_token(Name,"}");
GetCite(Name,Value);
sprintf(HRef,"<A HREF=\"#cite_%s\">",Name);
DoAddNormal(HRef,BackSepString);
sprintf(Name,"[%s]",Value);
DoAddNormal(Name,"");
DoAddNormal("</A>","");
END
static void TeXNewParagraph(Word Index)
BEGIN
FlushLine();
fprintf(outfile,"<P>\n");
END
static void TeXContents(Word Index)
BEGIN
FILE *file=fopen(TocName,"r");
char Line[200],Ref[50],*ptr,*run;
int Level;
if (file==Nil)
BEGIN
warning("contents file not found.");
DoRepass=True; return;
END
FlushLine();
fprintf(outfile,"<P>\n<H1>%s</H1><P>\n",ContentsName);
while (NOT feof(file))
BEGIN
fgets(Line,199,file);
if ((*Line!='\0') AND (*Line!='\n'))
BEGIN
if (strncmp(Line,BiblioName,strlen(BiblioName))==0)
BEGIN
strcpy(Ref,"bib"); Level=1;
END
else if (strncmp(Line,IndexName,strlen(IndexName))==0)
BEGIN
strcpy(Ref,"index"); Level=1;
END
else
BEGIN
ptr=Ref; Level=1;
if (Line[strlen(Line)-1]=='\n') Line[strlen(Line)-1]='\0';
for (run=Line; *run!='\0'; run++) if (*run!=' ') break;
for (; *run!='\0'; run++)
if (*run==' ') break;
else if (*run=='.')
BEGIN
*(ptr++)='_';
Level++;
END
else if ((*run>='0') AND (*run<='9')) *(ptr++)=(*run);
else if ((*run>='A') AND (*run<='Z')) *(ptr++)=(*run);
*ptr='\0';
END
fprintf(outfile,"<P><H%d>",Level);
if (*Ref!='\0') fprintf(outfile,"<A HREF=\"#sect_%s\">",Ref);
fputs(Line,outfile);
if (*Ref!='\0') fprintf(outfile,"</A></H%d>",Level);
fputc('\n',outfile);
END
END
fclose(file);
END
static void TeXPrintIndex(Word Index)
BEGIN
PIndexSave run;
int i,rz;
FlushLine();
fprintf(outfile,"<H1><A NAME=\"sect_index\">%s</A></H1>\n",IndexName);
AddToc(IndexName);
fputs("<TABLE SUMMARY=\"Index\" BORDER=0 CELLPADDING=5>\n",outfile); rz=0;
for (run=FirstIndex; run!=Nil; run=run->Next)
BEGIN
if ((rz%5)==0) fputs("<TR ALIGN=LEFT>\n",outfile);
fputs("<TD VALIGN=TOP NOWRAP>",outfile);
fputs(run->Name,outfile);
for (i=0; i<run->RefCnt; i++)
fprintf(outfile," <A HREF=\"#index_%s_%d\">%d</A>",run->Name,i+1,i+1);
fputs("</TD>\n",outfile);
if ((rz%5)==4) fputs("</TR>\n",outfile);
rz++;
END
if ((rz%5)!=0) fputs("</TR>\n",outfile);
fputs("</TABLE>\n",outfile);
END
static void TeXParSkip(Word Index)
BEGIN
char Token[TOKLEN];
ReadToken(Token);
do
BEGIN
ReadToken(Token);
if ((strncmp(Token,"plus",4)==0) OR (strncmp(Token,"minus",5)==0))
BEGIN
END
else
BEGIN
BackToken(Token); return;
END
END
while (1);
END
static void TeXNLS(Word Index)
BEGIN
char Token[TOKLEN],*Repl="";
Boolean Found=True;
*Token='\0';
ReadToken(Token);
if (*SepString=='\0')
switch (*Token)
BEGIN
case 'a': Repl="&auml;"; break;
case 'e': Repl="&euml;"; break;
case 'i': Repl="&iuml;"; break;
case 'o': Repl="&ouml;"; break;
case 'u': Repl="&uuml;"; break;
case 'A': Repl="&Auml;"; break;
case 'E': Repl="&Euml;"; break;
case 'I': Repl="&Iuml;"; break;
case 'O': Repl="&Ouml;"; break;
case 'U': Repl="&Uuml;"; break;
case 's': Repl="&szlig;"; break;
default : Found=False;
END
else Found=False;
if (Found)
BEGIN
if (strlen(Repl)>1) memmove(Token+strlen(Repl),Token+1,strlen(Token));
memcpy(Token,Repl,strlen(Repl)); strcpy(SepString,BackSepString);
END
else DoAddNormal("\"",BackSepString);
BackToken(Token);
END
static void TeXNLSGrave(Word Index)
BEGIN
char Token[TOKLEN],*Repl="";
Boolean Found=True;
*Token='\0';
ReadToken(Token);
if (*SepString=='\0')
switch (*Token)
BEGIN
case 'a': Repl="&agrave;"; break;
case 'e': Repl="&egrave;"; break;
case 'i': Repl="&igrave;"; break;
case 'o': Repl="&ograve;"; break;
case 'u': Repl="&ugrave;"; break;
case 'A': Repl="&Agrave;"; break;
case 'E': Repl="&Egrave;"; break;
case 'I': Repl="&Igrave;"; break;
case 'O': Repl="&Ograve;"; break;
case 'U': Repl="&Ugrave;"; break;
default : Found=False;
END
else Found=False;
if (Found)
BEGIN
if (strlen(Repl)>1) memmove(Token+strlen(Repl),Token+1,strlen(Token));
memcpy(Token,Repl,strlen(Repl)); strcpy(SepString,BackSepString);
END
else DoAddNormal("\"",BackSepString);
BackToken(Token);
END
static void TeXNLSAcute(Word Index)
BEGIN
char Token[TOKLEN],*Repl="";
Boolean Found=True;
*Token='\0';
ReadToken(Token);
if (*SepString=='\0')
switch (*Token)
BEGIN
case 'a': Repl="&aacute;"; break;
case 'e': Repl="&eacute;"; break;
case 'i': Repl="&iacute;"; break;
case 'o': Repl="&oacute;"; break;
case 'u': Repl="&uacute;"; break;
case 'A': Repl="&Aacute;"; break;
case 'E': Repl="&Eacute;"; break;
case 'I': Repl="&Iacute;"; break;
case 'O': Repl="&Oacute;"; break;
case 'U': Repl="&Uacute;"; break;
default : Found=False;
END
else Found=False;
if (Found)
BEGIN
if (strlen(Repl)>1) memmove(Token+strlen(Repl),Token+1,strlen(Token));
memcpy(Token,Repl,strlen(Repl)); strcpy(SepString,BackSepString);
END
else DoAddNormal("\"",BackSepString);
BackToken(Token);
END
static void TeXNLSCirc(Word Index)
BEGIN
char Token[TOKLEN],*Repl="";
Boolean Found=True;
*Token='\0';
ReadToken(Token);
if (*SepString=='\0')
switch (*Token)
BEGIN
case 'a': Repl="&acirc;"; break;
case 'e': Repl="&ecirc;"; break;
case 'i': Repl="&icirc;"; break;
case 'o': Repl="&ocirc;"; break;
case 'u': Repl="&ucirc;"; break;
case 'A': Repl="&Acirc;"; break;
case 'E': Repl="&Ecirc;"; break;
case 'I': Repl="&Icirc;"; break;
case 'O': Repl="&Ocirc;"; break;
case 'U': Repl="&Ucirc;"; break;
default : Found=False;
END
else Found=False;
if (Found)
BEGIN
if (strlen(Repl)>1) memmove(Token+strlen(Repl),Token+1,strlen(Token));
memcpy(Token,Repl,strlen(Repl)); strcpy(SepString,BackSepString);
END
else DoAddNormal("\"",BackSepString);
BackToken(Token);
END
static void TeXNLSTilde(Word Index)
BEGIN
char Token[TOKLEN],*Repl="";
Boolean Found=True;
*Token='\0';
ReadToken(Token);
if (*SepString=='\0')
switch (*Token)
BEGIN
case 'n': Repl="&ntilde;"; break;
case 'N': Repl="&Ntilde;"; break;
default : Found=False;
END
else Found=False;
if (Found)
BEGIN
if (strlen(Repl)>1) memmove(Token+strlen(Repl),Token+1,strlen(Token));
memcpy(Token,Repl,strlen(Repl)); strcpy(SepString,BackSepString);
END
else DoAddNormal("\"",BackSepString);
BackToken(Token);
END
static void TeXCedilla(Word Index)
BEGIN
char Token[TOKLEN];
assert_token("{"); collect_token(Token,"}");
if (strcmp(Token,"c")==0) strcpy(Token,"&ccedil;");
if (strcmp(Token,"C")==0) strcpy(Token,"&Ccedil;");
DoAddNormal(Token,BackSepString);
END
static Boolean TeXNLSSpec(char *Line)
BEGIN
Boolean Found=True;
char *Repl=Nil;
int cnt=0;
if (*SepString=='\0')
switch (*Line)
BEGIN
case 'o': cnt=1; Repl="&oslash;"; break;
case 'O': cnt=1; Repl="&Oslash;"; break;
case 'a':
switch (Line[1])
BEGIN
case 'a': cnt=2; Repl="&aring;"; break;
case 'e': cnt=2; Repl="&aelig;"; break;
default: Found=False;
END
break;
case 'A':
switch (Line[1])
BEGIN
case 'A': cnt=2; Repl="&Aring;"; break;
case 'E': cnt=2; Repl="&AElig;"; break;
default: Found=False;
END
break;
default: Found=False;
END
if (Found)
BEGIN
if (strlen(Repl)!=cnt) memmove(Line+strlen(Repl),Line+cnt,strlen(Line)-cnt+1);
memcpy(Line,Repl,strlen(Repl)); strcpy(SepString,BackSepString);
END
else DoAddNormal("\"",BackSepString);
BackToken(Line);
return Found;
END
static void TeXHyphenation(Word Index)
BEGIN
char Token[TOKLEN];
assert_token("{"); collect_token(Token,"}");
END
static void TeXDoPot(void)
BEGIN
char Token[TOKLEN];
ReadToken(Token);
if (strcmp(Token,"1")==0)
DoAddNormal("&sup1;",BackSepString);
else if (strcmp(Token,"2")==0)
DoAddNormal("&sup2;",BackSepString);
else if (strcmp(Token,"3")==0)
DoAddNormal("&sup3;",BackSepString);
else if (strcmp(Token,"{")==0)
BEGIN
SaveFont();
TeXNewFontType(FontSuper);
ReadToken(Token);
strcpy(SepString,BackSepString);
BackToken(Token);
END
else
BEGIN
DoAddNormal("^",BackSepString);
AddLine(Token,"");
END
END
static void TeXDoSpec(void)
BEGIN
strcpy(BackSepString,SepString);
TeXNLS(0);
END
static void TeXInclude(Word Index)
BEGIN
char Token[TOKLEN],Msg[TOKLEN];
assert_token("{"); collect_token(Token,"}");
if ((infiles[IncludeNest]=fopen(Token,"r"))==Nil)
BEGIN
sprintf(Msg,"file %s not found",Token);
error(Msg);
END
else IncludeNest++;
END
static void TeXDocumentStyle(Word Index)
BEGIN
char Token[TOKLEN];
ReadToken(Token);
if (strcmp(Token,"[")==0)
BEGIN
do
BEGIN
ReadToken(Token);
if (strcmp(Token,"german")==0) SetLang(True);
END
while (strcmp(Token,"]")!=0);
assert_token("{");
ReadToken(Token);
if (strcasecmp(Token, "article") == 0)
BEGIN
AddInstTable(TeXTable,"section",0,TeXNewSection);
AddInstTable(TeXTable,"subsection",1,TeXNewSection);
AddInstTable(TeXTable,"subsubsection",3,TeXNewSection);
END
else
BEGIN
AddInstTable(TeXTable,"chapter",0,TeXNewSection);
AddInstTable(TeXTable,"section",1,TeXNewSection);
AddInstTable(TeXTable,"subsection",2,TeXNewSection);
AddInstTable(TeXTable,"subsubsection",3,TeXNewSection);
END
assert_token("}");
END
END
static void StartFile(char *Name)
BEGIN
char comp[TOKLEN];
struct stat st;
/* create name ? */
if (Structured)
BEGIN
sprintf(comp, "%s.dir/%s", outfilename, Name);
Name = comp;
END
/* open file */
if ((outfile = fopen(Name, "w")) == NULL)
BEGIN
perror(Name); exit(3);
END
/* write head */
fputs("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 3.2 Final//EN\">\n",outfile);
fputs("<HTML>\n",outfile);
fputs("<HEAD>\n",outfile);
fprintf(outfile,"<META NAME=\"Author\" CONTENT=\"automatically generated by tex2html from %s\">\n",infilename);
stat(Name, &st);
strncpy(comp, ctime(&st.st_mtime), TOKLEN - 1);
if (comp[strlen(comp) - 1] == '\n') comp[strlen(comp) - 1] = '\0';
fprintf(outfile, "<META NAME=\"Last-modified\" CONTENT=\"%s\">\n", comp);
END
/*--------------------------------------------------------------------------*/
int main(int argc, char **argv)
BEGIN
char Line[TOKLEN],Comp[TOKLEN],*p,AuxFile[200];
int z, ergc;
/* assume defaults for flags */
Structured = False;
/* extract switches */
ergc = 1;
for (z = 1; z < argc; z++)
BEGIN
if (strcmp(argv[z], "-w") == 0)
Structured = True;
else
argv[ergc++] = argv[z];
END
argc = ergc;
/* do we want that ? */
if (argc<3)
BEGIN
fprintf(stderr, "calling convention: %s [switches] <input file> <output file>\n"
"switches: -w --> create structured document\n", *argv);
exit(1);
END
/* set up inclusion stack */
IncludeNest=0;
if ((*infiles=fopen(argv[1],"r"))==Nil)
BEGIN
perror(argv[1]); exit(3);
END
else IncludeNest++;
/* set up hash table */
TeXTable=CreateInstTable(301);
AddInstTable(TeXTable,"\\",0,TeXFlushLine);
AddInstTable(TeXTable,"par",0,TeXNewParagraph);
AddInstTable(TeXTable,"-",0,TeXDummy);
AddInstTable(TeXTable,"hyphenation",0,TeXHyphenation);
AddInstTable(TeXTable,"kill",0,TeXKillLine);
AddInstTable(TeXTable,"/",0,TeXDummy);
AddInstTable(TeXTable,"pagestyle",0,TeXDummyInCurl);
AddInstTable(TeXTable,"thispagestyle",0,TeXDummyInCurl);
AddInstTable(TeXTable,"sloppy",0,TeXDummy);
AddInstTable(TeXTable,"clearpage",0,TeXDummy);
AddInstTable(TeXTable,"cleardoublepage",0,TeXDummy);
AddInstTable(TeXTable,"topsep",0,TeXDummyNoBrack);
AddInstTable(TeXTable,"parskip",0,TeXParSkip);
AddInstTable(TeXTable,"parindent",0,TeXDummyNoBrack);
AddInstTable(TeXTable,"textwidth",0,TeXDummyNoBrack);
AddInstTable(TeXTable,"evensidemargin",0,TeXDummyNoBrack);
AddInstTable(TeXTable,"oddsidemargin",0,TeXDummyNoBrack);
AddInstTable(TeXTable,"newcommand",0,TeXNewCommand);
AddInstTable(TeXTable,"def",0,TeXDef);
AddInstTable(TeXTable,"font",0,TeXFont);
AddInstTable(TeXTable,"documentstyle",0,TeXDocumentStyle);
AddInstTable(TeXTable,"appendix",0,TeXAppendix);
AddInstTable(TeXTable,"makeindex",0,TeXDummy);
AddInstTable(TeXTable,"begin",0,TeXBeginEnv);
AddInstTable(TeXTable,"end",0,TeXEndEnv);
AddInstTable(TeXTable,"item",0,TeXItem);
AddInstTable(TeXTable,"bibitem",0,TeXBibItem);
AddInstTable(TeXTable,"errentry",0,TeXErrEntry);
AddInstTable(TeXTable,"$",0,TeXAddDollar);
AddInstTable(TeXTable,"_",0,TeXAddUnderbar);
AddInstTable(TeXTable,"&",0,TeXAddAmpersand);
AddInstTable(TeXTable,"@",0,TeXAddAt);
AddInstTable(TeXTable,"#",0,TeXAddImm);
AddInstTable(TeXTable,"%",0,TeXAddPercent);
AddInstTable(TeXTable,"ss",0,TeXAddSSharp);
AddInstTable(TeXTable,"in",0,TeXAddIn);
AddInstTable(TeXTable,"rz",0,TeXAddReal);
AddInstTable(TeXTable,"mu",0,TeXAddGreekMu);
AddInstTable(TeXTable,"pi",0,TeXAddGreekPi);
AddInstTable(TeXTable,"leq",0,TeXAddLessEq);
AddInstTable(TeXTable,"geq",0,TeXAddGreaterEq);
AddInstTable(TeXTable,"neq",0,TeXAddNotEq);
AddInstTable(TeXTable,"mid",0,TeXAddMid);
AddInstTable(TeXTable,"frac",0,TeXDoFrac);
AddInstTable(TeXTable,"rm",FontStandard,TeXNewFontType);
AddInstTable(TeXTable,"em",FontEmphasized,TeXNewFontType);
AddInstTable(TeXTable,"bf",FontBold,TeXNewFontType);
AddInstTable(TeXTable,"tt",FontTeletype,TeXNewFontType);
AddInstTable(TeXTable,"it",FontItalic,TeXNewFontType);
AddInstTable(TeXTable,"bb",FontBold,TeXEnvNewFontType);
AddInstTable(TeXTable,"tty",FontTeletype,TeXEnvNewFontType);
AddInstTable(TeXTable,"ii",FontItalic,TeXEnvNewFontType);
AddInstTable(TeXTable,"tiny",FontTiny,TeXNewFontSize);
AddInstTable(TeXTable,"small",FontSmall,TeXNewFontSize);
AddInstTable(TeXTable,"normalsize",FontNormalSize,TeXNewFontSize);
AddInstTable(TeXTable,"large",FontLarge,TeXNewFontSize);
AddInstTable(TeXTable,"huge",FontHuge,TeXNewFontSize);
AddInstTable(TeXTable,"Huge",FontHuge,TeXNewFontSize);
AddInstTable(TeXTable,"tin",FontTiny,TeXEnvNewFontSize);
AddInstTable(TeXTable,"rightarrow",0,TeXAddRightArrow);
AddInstTable(TeXTable,"longrightarrow",0,TeXAddLongRightArrow);
AddInstTable(TeXTable,"leftarrow",0,TeXAddLeftArrow);
AddInstTable(TeXTable,"leftrightarrow",0,TeXAddLeftRightArrow);
AddInstTable(TeXTable,"marginpar",0,TeXAddMarginPar);
AddInstTable(TeXTable,"caption",0,TeXAddCaption);
AddInstTable(TeXTable,"label",0,TeXWriteLabel);
AddInstTable(TeXTable,"ref",0,TeXWriteRef);
AddInstTable(TeXTable,"cite",0,TeXWriteCitation);
AddInstTable(TeXTable,"hline",0,TeXHorLine);
AddInstTable(TeXTable,"multicolumn",0,TeXMultiColumn);
AddInstTable(TeXTable,"ttindex",0,TeXIndex);
AddInstTable(TeXTable,"hspace",0,TeXHSpace);
AddInstTable(TeXTable,"vspace",0,TeXVSpace);
AddInstTable(TeXTable,"=",0,TeXAddTabStop);
AddInstTable(TeXTable,">",0,TeXJmpTabStop);
AddInstTable(TeXTable,"verb",0,TeXDoVerb);
AddInstTable(TeXTable,"printindex",0,TeXPrintIndex);
AddInstTable(TeXTable,"tableofcontents",0,TeXContents);
AddInstTable(TeXTable,"rule",0,TeXRule);
AddInstTable(TeXTable,"\"",0,TeXNLS);
AddInstTable(TeXTable,"`",0,TeXNLSGrave);
AddInstTable(TeXTable,"'",0,TeXNLSAcute);
AddInstTable(TeXTable,"^",0,TeXNLSCirc);
AddInstTable(TeXTable,"~",0,TeXNLSTilde);
AddInstTable(TeXTable,"c",0,TeXCedilla);
AddInstTable(TeXTable,"newif",0,TeXDummy);
AddInstTable(TeXTable,"fi",0,TeXDummy);
AddInstTable(TeXTable,"ifelektor",0,TeXDummy);
AddInstTable(TeXTable,"elektortrue",0,TeXDummy);
AddInstTable(TeXTable,"elektorfalse",0,TeXDummy);
AddInstTable(TeXTable,"input",0,TeXInclude);
/* preset state variables */
for (z=0; z<CHAPMAX; Chapters[z++]=0);
TableNum=0; FontNest=0;
TabStopCnt=0; CurrTabStop=0;
ErrState=FracState=(-1);
InAppendix=False;
EnvStack=Nil;
CurrEnv=EnvNone; CurrListDepth=0;
ActLeftMargin=LeftMargin=1; RightMargin=70;
EnumCounter=0; InListItem=False;
CurrFontFlags=0; CurrFontSize=FontNormalSize;
FontStack=Nil;
FirstRefSave=Nil; FirstCiteSave=Nil; FirstTocSave=Nil; FirstIndex=Nil;
*SideMargin='\0';
DoRepass=False;
BibIndent=BibCounter=0;
GermanMode=True; SetLang(False);
/* open help files */
strcpy(TocName,argv[1]);
if ((p=strrchr(TocName,'.'))!=Nil) *p='\0';
strcat(TocName,".htoc");
strcpy(AuxFile,argv[1]);
if ((p=strrchr(AuxFile,'.'))!=Nil) *p='\0';
strcat(AuxFile,".haux");
ReadAuxFile(AuxFile);
/* save file names */
infilename = argv[1];
outfilename = argv[2];
if (strcmp(outfilename, "-")==0)
BEGIN
if (Structured)
BEGIN
printf("%s: structured write must be to a directory\n", *argv);
exit(1);
END
else outfile = stdout;
END
/* do we need to make a directory ? */
else if (Structured)
BEGIN
sprintf(Line, "%s.dir", outfilename);
#ifdef __MSDOS__
mkdir(Line, 055);
#else
mkdir(Line, S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH);
#endif
StartFile("intro.html");
END
/* otherwise open the single file */
else
StartFile(argv[2]);
/* start to parse */
while (1)
BEGIN
if (NOT ReadToken(Line)) break;
if (strcmp(Line,"\\")==0)
BEGIN
strcpy(BackSepString,SepString);
if (NOT ReadToken(Line)) error("unexpected end of file");
if (*SepString!='\0') BackToken(Line);
else if (NOT LookupInstTable(TeXTable,Line))
if (NOT TeXNLSSpec(Line))
BEGIN
sprintf(Comp,"unknown TeX command %s",Line);
warning(Comp);
END
END
else if (strcmp(Line,"$")==0)
BEGIN
if ((InMathMode=(NOT InMathMode)))
BEGIN
strcpy(BackSepString,SepString);
ReadToken(Line); strcpy(SepString,BackSepString);
BackToken(Line);
END
END
else if (strcmp(Line,"&")==0) NextTableColumn();
else if ((strcmp(Line,"^")==0) AND (InMathMode)) TeXDoPot();
else if ((strcmp(Line,"\"")==0) AND (GermanMode)) TeXDoSpec();
else if (strcmp(Line,"{")==0)
SaveFont();
else if (strcmp(Line,"}")==0)
if (FontNest>0) RestoreFont();
else if (ErrState>=0) NextErrState();
else if (FracState>=0) NextFracState();
else switch (CurrEnv)
BEGIN
case EnvMarginPar:
RestoreEnv(); break;
case EnvCaption:
FlushLine(); fputs("</CENTER><P>\n",outfile); RestoreEnv(); break;
case EnvHeading:
EndSectionHeading(); RestoreEnv(); break;
default: RestoreFont();
END
else DoAddNormal(Line,SepString);
END
FlushLine();
DestroyInstTable(TeXTable);
fputs("</HTML>\n",outfile);
for (z=0; z<IncludeNest; fclose(infiles[z++]));
fclose(outfile);
unlink(AuxFile);
PrintLabels(AuxFile); PrintCites(AuxFile);
PrintToc(TocName);
if (DoRepass) fprintf(stderr,"additional pass recommended\n");
return 0;
END
#ifdef CKMALLOC
#undef malloc
#undef realloc
void *ckmalloc(size_t s)
BEGIN
void *tmp=malloc(s);
if (tmp==NULL)
BEGIN
fprintf(stderr,"allocation error(malloc): out of memory");
exit(255);
END
return tmp;
END
void *ckrealloc(void *p, size_t s)
BEGIN
void *tmp=realloc(p,s);
if (tmp==NULL)
BEGIN
fprintf(stderr,"allocation error(realloc): out of memory");
exit(255);
END
return tmp;
END
#endif
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