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/*-------------------------------------------------------------------------
*
* xml.h
* Declarations for XML data type support.
*
*
* Portions Copyright (c) 1996-2020, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* src/include/utils/xml.h
*
*-------------------------------------------------------------------------
*/
#ifndef XML_H
#define XML_H
#include "executor/tablefunc.h"
#include "fmgr.h"
#include "nodes/execnodes.h"
#include "nodes/primnodes.h"
typedef struct varlena xmltype;
typedef enum
{
XML_STANDALONE_YES,
XML_STANDALONE_NO,
XML_STANDALONE_NO_VALUE,
XML_STANDALONE_OMITTED
} XmlStandaloneType;
typedef enum
{
XMLBINARY_BASE64,
XMLBINARY_HEX
} XmlBinaryType;
typedef enum
{
PG_XML_STRICTNESS_LEGACY, /* ignore errors unless function result
* indicates error condition */
PG_XML_STRICTNESS_WELLFORMED, /* ignore non-parser messages */
PG_XML_STRICTNESS_ALL /* report all notices/warnings/errors */
} PgXmlStrictness;
/* struct PgXmlErrorContext is private to xml.c */
typedef struct PgXmlErrorContext PgXmlErrorContext;
#define DatumGetXmlP(X) ((xmltype *) PG_DETOAST_DATUM(X))
#define XmlPGetDatum(X) PointerGetDatum(X)
#define PG_GETARG_XML_P(n) DatumGetXmlP(PG_GETARG_DATUM(n))
#define PG_RETURN_XML_P(x) PG_RETURN_POINTER(x)
extern void pg_xml_init_library(void);
extern PgXmlErrorContext *pg_xml_init(PgXmlStrictness strictness);
extern void pg_xml_done(PgXmlErrorContext *errcxt, bool isError);
extern bool pg_xml_error_occurred(PgXmlErrorContext *errcxt);
extern void xml_ereport(PgXmlErrorContext *errcxt, int level, int sqlcode,
const char *msg);
extern xmltype *xmlconcat(List *args);
extern xmltype *xmlelement(XmlExpr *xexpr,
Datum *named_argvalue, bool *named_argnull,
Datum *argvalue, bool *argnull);
extern xmltype *xmlparse(text *data, XmlOptionType xmloption, bool preserve_whitespace);
extern xmltype *xmlpi(const char *target, text *arg, bool arg_is_null, bool *result_is_null);
extern xmltype *xmlroot(xmltype *data, text *version, int standalone);
extern bool xml_is_document(xmltype *arg);
extern text *xmltotext_with_xmloption(xmltype *data, XmlOptionType xmloption_arg);
extern char *escape_xml(const char *str);
extern char *map_sql_identifier_to_xml_name(const char *ident, bool fully_escaped, bool escape_period);
extern char *map_xml_name_to_sql_identifier(const char *name);
extern char *map_sql_value_to_xml_value(Datum value, Oid type, bool xml_escape_strings);
extern int xmlbinary; /* XmlBinaryType, but int for guc enum */
extern int xmloption; /* XmlOptionType, but int for guc enum */
extern const TableFuncRoutine XmlTableRoutine;
#endif /* XML_H */
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