/* SGMLXTRN.H: External declarations for SGML public variables.
Exceptions: Constants lex????? and del????? are defined in
LEX?????.C modules; constants pcb????? are defined in PCB?????.c.
*/
#ifndef SGMLXTRN /* Don't include this file more than once. */
#define SGMLXTRN
extern int badresw; /* 1=REF_ out of context; 0=valid. */
extern int charmode; /* >0=in #CHARS; 0=not. */
extern int conactsw; /* 1=return saved content action 0=get new one.*/
extern int conrefsw; /* 1=content reference att specified; 0=no. */
extern int contersv; /* Save contersw while processing pending REF. */
extern int contersw; /* 1=element or #CHARS out of context; 0=valid. */
extern int datarc; /* Return code for data: DAF_ or REF_. */
extern int delmscsw; /* 1=DELMSC must be read on return to es==0. */
extern int didreq; /* 1=required implied tag processed; 0=no. */
extern int dostag; /* 1=retry newetd instead of parsing; 0=parse. */
extern int dtdsw; /* DOCTYPE declaration found: 1=yes; 0=no. */
extern int entdatsw; /* 2=CDATA entity; 4=SDATA; 8=NDATA; 0=none. */
extern int entpisw; /* 4=PI entity occurred; 0=not. */
extern int eodsw; /* 1=eod found in error; 0=not yet. */
extern int eofsw; /* 1=eof found in body of document; 0=not yet. */
extern int etagimct; /* Implicitly ended elements left on stack. */
extern int etagimsw; /* 1=end-tag implied by other end-tag; 0=not. */
extern int etagmin; /* Minim: NONE NULL NET DATA; implied by S/ETAG*/
extern int etictr; /* Number of "NET enabled" tags on stack. */
extern int etisw; /* 1=tag ended with eti; 0=did not. */
extern int indtdsw; /* Are we in the DTD? 1=yes; 0=no. */
extern int mslevel; /* Nesting level of marked sections. */
extern int msplevel; /* Nested MS levels subject to special parse. */
extern int prologsw; /* 1=in prolog; 0=not. */
extern int pss; /* SGMLACT: scbsgml stack level. */
extern int sgmlsw; /* SGML declaration found: 1=yes; 0=no. */
extern int stagmin; /* Minimization: NONE, NULL tag, implied by STAG*/
extern int tagctr; /* Tag source chars read. */
extern int ts; /* Index of current tag in stack. */
extern struct parse *propcb; /* Current PCB for prolog parse. */
extern int aentctr; /* Number of ENTITY tokens in this att list. */
extern int conact; /* Return code from content parse. */
extern int conrefsv; /* Save conrefsw when doing implied start-tag.*/
extern int dtdrefsw; /* External DTD? 1=yes; 0=no. */
extern int etiswsv; /* Save etisw when processing implied start-tag.*/
extern int grplvl; /* Current level of nested grps in model. */
extern int idrctr; /* Number of IDREF tokens in this att list. */
extern int mdessv; /* ES level at start of markup declaration. */
extern int notadn; /* Position of NOTATION attribute in list. */
extern int parmno; /* Current markup declaration parameter number. */
extern int pexsw; /* 1=tag valid solely because of plus exception.*/
extern int rcessv; /* ES level at start of RCDATA content. */
extern int tagdelsw; /* 1=tag ended with delimiter; 0=no delimiter. */
extern int tokencnt; /* Number of tokens found in attribute value. */
extern struct entity *ecbdeflt; /* #DEFAULT ecb (NULL if no default entity). */
extern struct etd *docetd; /* The etd for the document as a whole. */
extern struct etd *etagreal; /* Actual or dummy etd that implied this tag. */
extern struct etd *newetd; /* The etd for a start- or end-tag recognized. */
extern struct etd *nextetd; /* ETD that must come next (only one choice). */
extern struct etd *stagreal; /* Actual or dummy etd that implied this tag. */
extern struct parse *conpcb; /* Current PCB for content parse. */
extern UNCH *data; /* Pointer to returned data in buffer. */
extern UNCH *mdname; /* Name of current markup declaration. */
extern UNCH *ptcon; /* Current pointer into tbuf. */
extern UNCH *ptpro; /* Current pointer into tbuf. */
extern UNCH *rbufs; /* DOS file read area: start position for read. */
extern UNCH *subdcl; /* Subject of markup declaration (e.g., GI). */
extern int Tstart; /* Save starting token for AND group testing. */
extern UNS conradn; /* 1=CONREF attribute in list (0=no). */
extern UNS datalen; /* Length of returned data in buffer. */
extern UNS entlen; /* Length of TAG or EXTERNAL entity text. */
extern UNS idadn; /* Number of ID attribute (0 if none). */
extern UNS noteadn; /* Number of NOTATION attribute (0 if none). */
extern UNS reqadn; /* Num of atts with REQUIRED default (0=none). */
extern int grplongs; /* Number of longs for GRPCNT bitvector. */
/* Variable arrays and structures.
*/
extern struct ad *al; /* Current attribute list work area. */
extern struct dcncb *dcntab[];/* List of data content notation names. */
extern struct entity *etab[]; /* Entity hash table. */
extern struct etd *etdtab[]; /* Element type definition hash table. */
extern struct fpi fpidf; /* Fpi for #DEFAULT entity. */
extern struct id *itab[]; /* Unique identifier hash table. */
extern struct etd **nmgrp; /* Element name group */
extern PDCB *nnmgrp; /* Notation name group */
extern struct restate *scbsgml; /* SGMLACT: return action state stack. */
extern struct srh *srhtab[]; /* List of SHORTREF table headers. */
extern struct sgmlstat ds; /* Document statistics. */
extern struct switches sw; /* Parser control switches set by text proc. */
extern struct tag *tags; /* Stack of open elements ("tag stack"). */
extern struct thdr *gbuf; /* Buffer for creating group. */
extern struct thdr prcon[]; /* 0-2: Model for *DOC content. */
extern struct thdr undechdr; /* 0: Default model hdr for undeclared content. */
extern UNCH *dtype; /* Document type name. */
extern UNCH *entbuf; /* Buffer for entity reference name. */
extern UNCH fce[]; /* String form of FCE char (fce[1] must be EOS).*/
extern UNCH nonchbuf[]; /* Buffer for valid nonchar character reference.*/
extern UNCH *tbuf; /* Work area for tokenization. */
extern UNCH *lbuf; /* In tbuf: Literal parse area; TAGLEN limit.*/
extern struct entity *dumpecb; /* SRMNULL points to this. */
extern UNCH *sysibuf;
extern UNCH *pubibuf;
extern UNCH *nmbuf; /* Name buffer used by mdentity. */
extern struct mpos *savedpos;
/* Constants.
*/
extern int scbsgmnr; /* SCBSGML: new record; do not ignore RE. */
extern int scbsgmst; /* SCBSGML: trailing stag or markup; ignore RE. */
extern struct map dctab[]; /* Keywords for declared content parameter. */
extern struct map deftab[]; /* Default value keywords. */
extern struct map dvtab[]; /* Declared value: keywords and type codes.*/
extern struct map enttab[]; /* Entity declaration second parameter. */
extern struct map exttab[]; /* Keywords for external identifier. */
extern struct map extettab[]; /* Keywords for external entity type. */
extern struct map funtab[]; /* Function character reference names. */
extern struct map mstab[]; /* Marked section keywords. */
extern struct map pubcltab[]; /* Keywords for public text class. */
extern UNCH indefent[]; /* Internal name: default entity name. */
extern UNCH indefetd[]; /* Internal name: default document type. */
extern UNCH indocent[]; /* Internal name: SGML document entity. */
extern UNCH indocetd[]; /* Internal name: etd for document as a whole. */
extern UNCH indtdent[]; /* Internal name: external DTD entity. */
extern char license[]; /* SGML Users' Group free license. */
#endif /* ndef SGMLXTRN */