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00001 /*------------------------------------------------------------------------- 00002 * 00003 * xml.h 00004 * Declarations for XML data type support. 00005 * 00006 * 00007 * Portions Copyright (c) 1996-2013, PostgreSQL Global Development Group 00008 * Portions Copyright (c) 1994, Regents of the University of California 00009 * 00010 * src/include/utils/xml.h 00011 * 00012 *------------------------------------------------------------------------- 00013 */ 00014 00015 #ifndef XML_H 00016 #define XML_H 00017 00018 #include "fmgr.h" 00019 #include "nodes/execnodes.h" 00020 #include "nodes/primnodes.h" 00021 00022 typedef struct varlena xmltype; 00023 00024 typedef enum 00025 { 00026 XML_STANDALONE_YES, 00027 XML_STANDALONE_NO, 00028 XML_STANDALONE_NO_VALUE, 00029 XML_STANDALONE_OMITTED 00030 } XmlStandaloneType; 00031 00032 typedef enum 00033 { 00034 XMLBINARY_BASE64, 00035 XMLBINARY_HEX 00036 } XmlBinaryType; 00037 00038 typedef enum 00039 { 00040 PG_XML_STRICTNESS_LEGACY, /* ignore errors unless function result 00041 * indicates error condition */ 00042 PG_XML_STRICTNESS_WELLFORMED, /* ignore non-parser messages */ 00043 PG_XML_STRICTNESS_ALL /* report all notices/warnings/errors */ 00044 } PgXmlStrictness; 00045 00046 /* struct PgXmlErrorContext is private to xml.c */ 00047 typedef struct PgXmlErrorContext PgXmlErrorContext; 00048 00049 #define DatumGetXmlP(X) ((xmltype *) PG_DETOAST_DATUM(X)) 00050 #define XmlPGetDatum(X) PointerGetDatum(X) 00051 00052 #define PG_GETARG_XML_P(n) DatumGetXmlP(PG_GETARG_DATUM(n)) 00053 #define PG_RETURN_XML_P(x) PG_RETURN_POINTER(x) 00054 00055 extern Datum xml_in(PG_FUNCTION_ARGS); 00056 extern Datum xml_out(PG_FUNCTION_ARGS); 00057 extern Datum xml_recv(PG_FUNCTION_ARGS); 00058 extern Datum xml_send(PG_FUNCTION_ARGS); 00059 extern Datum xmlcomment(PG_FUNCTION_ARGS); 00060 extern Datum xmlconcat2(PG_FUNCTION_ARGS); 00061 extern Datum texttoxml(PG_FUNCTION_ARGS); 00062 extern Datum xmltotext(PG_FUNCTION_ARGS); 00063 extern Datum xmlvalidate(PG_FUNCTION_ARGS); 00064 extern Datum xpath(PG_FUNCTION_ARGS); 00065 extern Datum xpath_exists(PG_FUNCTION_ARGS); 00066 extern Datum xmlexists(PG_FUNCTION_ARGS); 00067 extern Datum xml_is_well_formed(PG_FUNCTION_ARGS); 00068 extern Datum xml_is_well_formed_document(PG_FUNCTION_ARGS); 00069 extern Datum xml_is_well_formed_content(PG_FUNCTION_ARGS); 00070 00071 extern Datum table_to_xml(PG_FUNCTION_ARGS); 00072 extern Datum query_to_xml(PG_FUNCTION_ARGS); 00073 extern Datum cursor_to_xml(PG_FUNCTION_ARGS); 00074 extern Datum table_to_xmlschema(PG_FUNCTION_ARGS); 00075 extern Datum query_to_xmlschema(PG_FUNCTION_ARGS); 00076 extern Datum cursor_to_xmlschema(PG_FUNCTION_ARGS); 00077 extern Datum table_to_xml_and_xmlschema(PG_FUNCTION_ARGS); 00078 extern Datum query_to_xml_and_xmlschema(PG_FUNCTION_ARGS); 00079 00080 extern Datum schema_to_xml(PG_FUNCTION_ARGS); 00081 extern Datum schema_to_xmlschema(PG_FUNCTION_ARGS); 00082 extern Datum schema_to_xml_and_xmlschema(PG_FUNCTION_ARGS); 00083 00084 extern Datum database_to_xml(PG_FUNCTION_ARGS); 00085 extern Datum database_to_xmlschema(PG_FUNCTION_ARGS); 00086 extern Datum database_to_xml_and_xmlschema(PG_FUNCTION_ARGS); 00087 00088 extern void pg_xml_init_library(void); 00089 extern PgXmlErrorContext *pg_xml_init(PgXmlStrictness strictness); 00090 extern void pg_xml_done(PgXmlErrorContext *errcxt, bool isError); 00091 extern bool pg_xml_error_occurred(PgXmlErrorContext *errcxt); 00092 extern void xml_ereport(PgXmlErrorContext *errcxt, int level, int sqlcode, 00093 const char *msg); 00094 00095 extern xmltype *xmlconcat(List *args); 00096 extern xmltype *xmlelement(XmlExprState *xmlExpr, ExprContext *econtext); 00097 extern xmltype *xmlparse(text *data, XmlOptionType xmloption, bool preserve_whitespace); 00098 extern xmltype *xmlpi(char *target, text *arg, bool arg_is_null, bool *result_is_null); 00099 extern xmltype *xmlroot(xmltype *data, text *version, int standalone); 00100 extern bool xml_is_document(xmltype *arg); 00101 extern text *xmltotext_with_xmloption(xmltype *data, XmlOptionType xmloption_arg); 00102 extern char *escape_xml(const char *str); 00103 00104 extern char *map_sql_identifier_to_xml_name(char *ident, bool fully_escaped, bool escape_period); 00105 extern char *map_xml_name_to_sql_identifier(char *name); 00106 extern char *map_sql_value_to_xml_value(Datum value, Oid type, bool xml_escape_strings); 00107 00108 extern int xmlbinary; /* XmlBinaryType, but int for guc enum */ 00109 00110 extern int xmloption; /* XmlOptionType, but int for guc enum */ 00111 00112 #endif /* XML_H */
1.7.1