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/* sgmls.h
Interface to a library for reading output of sgmls. */
struct sgmls_data {
char *s;
unsigned len;
char is_sdata;
};
struct sgmls_notation {
char *name;
char *sysid;
char *pubid;
};
struct sgmls_internal_entity {
char *name;
struct sgmls_data data;
};
enum sgmls_external_entity_type {
SGMLS_ENTITY_CDATA,
SGMLS_ENTITY_SDATA,
SGMLS_ENTITY_NDATA,
SGMLS_ENTITY_SUBDOC
};
struct sgmls_external_entity {
char *name;
enum sgmls_external_entity_type type;
char **filenames;
int nfilenames;
char *pubid;
char *sysid;
struct sgmls_attribute *attributes;
struct sgmls_notation *notation;
};
struct sgmls_entity {
union {
struct sgmls_internal_entity internal;
struct sgmls_external_entity external;
} u;
char is_internal;
};
enum sgmls_attribute_type {
SGMLS_ATTR_IMPLIED,
SGMLS_ATTR_CDATA,
SGMLS_ATTR_TOKEN,
SGMLS_ATTR_ENTITY,
SGMLS_ATTR_NOTATION
};
struct sgmls_attribute {
struct sgmls_attribute *next;
char *name;
enum sgmls_attribute_type type;
union {
struct {
struct sgmls_data *v;
int n;
} data;
struct {
struct sgmls_entity **v;
int n;
} entity;
struct {
char **v;
int n;
} token;
struct sgmls_notation *notation;
} value;
};
enum sgmls_event_type {
SGMLS_EVENT_DATA, /* data */
SGMLS_EVENT_ENTITY, /* external entity reference */
SGMLS_EVENT_PI, /* processing instruction */
SGMLS_EVENT_START, /* element start */
SGMLS_EVENT_END, /* element end */
SGMLS_EVENT_SUBSTART, /* subdocument start */
SGMLS_EVENT_SUBEND, /* subdocument end */
SGMLS_EVENT_APPINFO, /* appinfo */
SGMLS_EVENT_CONFORMING /* the document was conforming */
};
struct sgmls_event {
enum sgmls_event_type type;
union {
struct {
struct sgmls_data *v;
int n;
} data;
struct sgmls_external_entity *entity;
struct {
char *s;
unsigned len;
} pi;
struct {
char *gi;
struct sgmls_attribute *attributes;
} start;
struct {
char *gi;
} end;
char *appinfo;
} u;
char *filename; /* SGML filename */
unsigned long lineno; /* SGML lineno */
};
#ifdef __STDC__
void sgmls_free_attributes(struct sgmls_attribute *);
struct sgmls *sgmls_create(FILE *);
int sgmls_next(struct sgmls *, struct sgmls_event *);
void sgmls_free(struct sgmls *);
typedef void sgmls_errhandler(int, char *, unsigned long);
sgmls_errhandler *sgmls_set_errhandler(sgmls_errhandler *);
#else /* not __STDC__ */
void sgmls_free_attributes();
struct sgmls *sgmls_create();
int sgmls_next();
void sgmls_free();
typedef void sgmls_errhandler();
sgmls_errhandler *sgmls_set_errhandler();
#endif /* not __STDC__ */
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