pquery.c File Reference

Implements PQF parsing. More...

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <yaz/proto.h>
#include <yaz/oid_db.h>
#include <yaz/pquery.h>

Go to the source code of this file.

Data Structures
struct	yaz_pqf_parser

Functions
static Z_RPNStructure *	rpn_structure (struct yaz_pqf_parser *li, ODR o, int num_attr, int max_attr, Odr_int *attr_list, char **attr_clist, Odr_oid **attr_set)
static Odr_oid *	query_oid_getvalbyname (struct yaz_pqf_parser *li, ODR o)
static int	compare_term (struct yaz_pqf_parser *li, const char *src, size_t off)
static int	query_token (struct yaz_pqf_parser *li)
static int	lex (struct yaz_pqf_parser *li)
static int	escape_string (char *out_buf, const char *in, int len)
static int	p_query_parse_attr (struct yaz_pqf_parser *li, ODR o, int num_attr, Odr_int *attr_list, char **attr_clist, Odr_oid **attr_set)
static Z_AttributeList *	get_attributeList (ODR o, int num_attr, Odr_int *attr_list, char **attr_clist, Odr_oid **attr_set)
Z_AttributeList *	zget_AttributeList_use_string (ODR o, const char *name)
	creates AttributeList with type=1(use) and string value
Z_Term *	z_Term_create (ODR o, int term_type, const char *buf, size_t len)
static Z_AttributesPlusTerm *	rpn_term_attributes (struct yaz_pqf_parser *li, ODR o, Z_AttributeList *attributes)
static Z_AttributesPlusTerm *	rpn_term (struct yaz_pqf_parser *li, ODR o, int num_attr, Odr_int *attr_list, char **attr_clist, Odr_oid **attr_set)
static Z_Operand *	rpn_simple (struct yaz_pqf_parser *li, ODR o, int num_attr, Odr_int *attr_list, char **attr_clist, Odr_oid **attr_set)
static Z_ProximityOperator *	rpn_proximity (struct yaz_pqf_parser *li, ODR o)
static Z_Complex *	rpn_complex (struct yaz_pqf_parser *li, ODR o, int num_attr, int max_attr, Odr_int *attr_list, char **attr_clist, Odr_oid **attr_set)
static void	rpn_term_type (struct yaz_pqf_parser *li)
static Z_RPNQuery *	p_query_rpn_mk (ODR o, struct yaz_pqf_parser *li)
static void	pqf_parser_begin (struct yaz_pqf_parser *li, const char *buf)
Z_RPNQuery *	p_query_rpn (ODR o, const char *qbuf)
static Z_AttributeList *	p_query_scan_attributes_mk (struct yaz_pqf_parser *li, ODR o, Odr_oid **attributeSetP)
static Z_AttributesPlusTerm *	p_query_scan_mk (struct yaz_pqf_parser *li, ODR o, Odr_oid **attributeSetP)
YAZ_PQF_Parser	yaz_pqf_create (void)
void	yaz_pqf_destroy (YAZ_PQF_Parser p)
Z_RPNQuery *	yaz_pqf_parse (YAZ_PQF_Parser p, ODR o, const char *qbuf)
Z_AttributesPlusTerm *	yaz_pqf_scan (YAZ_PQF_Parser p, ODR o, Odr_oid **attributeSetP, const char *qbuf)
Z_AttributeList *	yaz_pqf_scan_attribute_list (YAZ_PQF_Parser p, ODR o, Odr_oid **attributeSetP, const char *qbuf)
static Z_FacetField *	parse_facet (ODR odr, const char *facet)
Z_FacetList *	yaz_pqf_parse_facet_list (ODR o, const char *qbuf)
int	yaz_pqf_error (YAZ_PQF_Parser p, const char **msg, size_t *off)

Detailed Description

Implements PQF parsing.

Definition in file pquery.c.

Function Documentation

compare_term()

int compare_term ( struct yaz_pqf_parser * li, const char * src, size_t off )

static

Definition at line 51 of file pquery.c.

References yaz_pqf_parser::lex_buf, and yaz_pqf_parser::lex_len.

Referenced by query_token(), and rpn_term_type().

escape_string()

int escape_string ( char * out_buf, const char * in, int len )

static

Definition at line 125 of file pquery.c.

Referenced by p_query_parse_attr(), parse_facet(), and rpn_term_attributes().

get_attributeList()

Z_AttributeList * get_attributeList ( ODR o, int num_attr, Odr_int * attr_list, char ** attr_clist, Odr_oid ** attr_set )

static

Definition at line 246 of file pquery.c.

References Z_AttributeList::attributes, Z_AttributeElement::attributeSet, Z_AttributeElement::attributeType, Z_AttributeElement::complex, Z_ComplexAttribute::list, Z_AttributeList::num_attributes, Z_ComplexAttribute::num_list, Z_ComplexAttribute::num_semanticAction, Z_AttributeElement::numeric, odr_malloc(), odr_nullval(), Z_ComplexAttribute::semanticAction, Z_StringOrNumeric::string, Z_StringOrNumeric::u, Z_AttributeElement::value, Z_AttributeElement::which, Z_StringOrNumeric::which, Z_AttributeValue_complex, Z_AttributeValue_numeric, and Z_StringOrNumeric_string.

Referenced by p_query_scan_attributes_mk(), rpn_term(), and zget_AttributeList_use_string().

lex()

int lex ( struct yaz_pqf_parser * li )

static

Definition at line 120 of file pquery.c.

References yaz_pqf_parser::query_look, and query_token().

Referenced by p_query_parse_attr(), p_query_rpn_mk(), p_query_scan_attributes_mk(), p_query_scan_mk(), parse_facet(), rpn_complex(), rpn_proximity(), rpn_simple(), rpn_structure(), and rpn_term_type().

p_query_parse_attr()

int p_query_parse_attr ( struct yaz_pqf_parser * li, ODR o, int num_attr, Odr_int * attr_list, char ** attr_clist, Odr_oid ** attr_set )

static

Definition at line 188 of file pquery.c.

References yaz_pqf_parser::error, escape_string(), lex(), yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, odr_atoi(), odr_malloc(), query_oid_getvalbyname(), YAZ_PQF_ERROR_ATTSET, YAZ_PQF_ERROR_BAD_INTEGER, YAZ_PQF_ERROR_BADATTR, and YAZ_PQF_ERROR_MISSING.

Referenced by p_query_scan_attributes_mk(), and rpn_structure().

p_query_rpn()

Z_RPNQuery * p_query_rpn	(	ODR	o,
		const char *	qbuf )

Definition at line 699 of file pquery.c.

References yaz_pqf_parser::error, yaz_pqf_parser::escape_char, yaz_pqf_parser::left_sep, p_query_rpn_mk(), pqf_parser_begin(), yaz_pqf_parser::right_sep, yaz_pqf_parser::term_type, and Z_Term_general.

Referenced by generate().

p_query_rpn_mk()

Z_RPNQuery * p_query_rpn_mk ( ODR o, struct yaz_pqf_parser * li )

static

Definition at line 648 of file pquery.c.

References Z_RPNQuery::attributeSetId, yaz_pqf_parser::error, lex(), odr_malloc(), odr_oiddup(), yaz_pqf_parser::query_look, query_oid_getvalbyname(), rpn_structure(), Z_RPNQuery::RPNStructure, yaz_oid_attset_bib_1, YAZ_PQF_ERROR_ATTSET, and YAZ_PQF_ERROR_EXTRA.

Referenced by p_query_rpn(), and yaz_pqf_parse().

p_query_scan_attributes_mk()

Z_AttributeList * p_query_scan_attributes_mk ( struct yaz_pqf_parser * li, ODR o, Odr_oid ** attributeSetP )

static

Definition at line 713 of file pquery.c.

References yaz_pqf_parser::error, get_attributeList(), lex(), odr_oiddup(), p_query_parse_attr(), yaz_pqf_parser::query_look, query_oid_getvalbyname(), rpn_term_type(), yaz_oid_attset_bib_1, YAZ_PQF_ERROR_ATTSET, YAZ_PQF_ERROR_MISSING, and YAZ_PQF_ERROR_TOOMANY.

Referenced by p_query_scan_mk(), parse_facet(), and yaz_pqf_scan_attribute_list().

p_query_scan_mk()

Z_AttributesPlusTerm * p_query_scan_mk ( struct yaz_pqf_parser * li, ODR o, Odr_oid ** attributeSetP )

static

Definition at line 774 of file pquery.c.

References yaz_pqf_parser::error, lex(), p_query_scan_attributes_mk(), yaz_pqf_parser::query_look, rpn_term_attributes(), YAZ_PQF_ERROR_EXTRA, and YAZ_PQF_ERROR_MISSING.

Referenced by yaz_pqf_scan().

parse_facet()

Z_FacetField * parse_facet ( ODR odr, const char * facet )

static

Definition at line 844 of file pquery.c.

References Z_FacetField::attributes, Z_FacetTerm::count, escape_string(), lex(), yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, Z_FacetField::num_terms, odr_intdup(), odr_malloc(), p_query_scan_attributes_mk(), pqf_parser_begin(), yaz_pqf_parser::query_look, Z_FacetTerm::term, yaz_pqf_parser::term_type, Z_FacetField::terms, yaz_pqf_create(), yaz_pqf_destroy(), and z_Term_create().

Referenced by yaz_pqf_parse_facet_list().

pqf_parser_begin()

void pqf_parser_begin ( struct yaz_pqf_parser * li, const char * buf )

static

Definition at line 693 of file pquery.c.

References yaz_pqf_parser::lex_buf, yaz_pqf_parser::query_buf, and yaz_pqf_parser::query_ptr.

Referenced by p_query_rpn(), parse_facet(), yaz_pqf_parse(), yaz_pqf_scan(), and yaz_pqf_scan_attribute_list().

query_oid_getvalbyname()

Odr_oid * query_oid_getvalbyname ( struct yaz_pqf_parser * li, ODR o )

static

Definition at line 40 of file pquery.c.

References CLASS_ATTSET, yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, yaz_oid_std(), and yaz_string_to_oid_odr().

Referenced by p_query_parse_attr(), p_query_rpn_mk(), and p_query_scan_attributes_mk().

query_token()

int query_token ( struct yaz_pqf_parser * li )

static

Definition at line 61 of file pquery.c.

References compare_term(), yaz_pqf_parser::escape_char, yaz_pqf_parser::left_sep, yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, yaz_pqf_parser::query_ptr, yaz_pqf_parser::right_sep, and yaz_isdigit.

Referenced by lex().

rpn_complex()

Z_Complex * rpn_complex ( struct yaz_pqf_parser * li, ODR o, int num_attr, int max_attr, Odr_int * attr_list, char ** attr_clist, Odr_oid ** attr_set )

static

Definition at line 510 of file pquery.c.

References Z_Operator::and_not, yaz_pqf_parser::error, lex(), odr_malloc(), odr_nullval(), Z_Operator::op_and, Z_Operator::op_or, Z_Operator::prox, yaz_pqf_parser::query_look, Z_Complex::roperator, rpn_proximity(), rpn_structure(), Z_Complex::s1, Z_Complex::s2, Z_Operator::u, Z_Operator::which, YAZ_PQF_ERROR_INTERNAL, Z_Operator_and, Z_Operator_and_not, Z_Operator_or, and Z_Operator_prox.

Referenced by rpn_structure().

rpn_proximity()

Z_ProximityOperator * rpn_proximity ( struct yaz_pqf_parser * li, ODR o )

static

Definition at line 414 of file pquery.c.

References Z_ProximityOperator::distance, yaz_pqf_parser::error, Z_ProximityOperator::exclusion, Z_ProximityOperator::known, lex(), yaz_pqf_parser::lex_buf, odr_atoi(), odr_booldup(), odr_intdup(), odr_malloc(), Z_ProximityOperator::ordered, Z_ProximityOperator::relationType, Z_ProximityOperator::u, Z_ProximityOperator::which, YAZ_PQF_ERROR_BAD_INTEGER, YAZ_PQF_ERROR_MISSING, YAZ_PQF_ERROR_PROXIMITY, Z_ProximityOperator_known, and Z_ProximityOperator_private.

Referenced by rpn_complex().

rpn_simple()

Z_Operand * rpn_simple ( struct yaz_pqf_parser * li, ODR o, int num_attr, Odr_int * attr_list, char ** attr_clist, Odr_oid ** attr_set )

static

Definition at line 377 of file pquery.c.

References Z_Operand::attributesPlusTerm, yaz_pqf_parser::error, lex(), yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, odr_malloc(), odr_strdupn(), yaz_pqf_parser::query_look, Z_Operand::resultSetId, rpn_term(), Z_Operand::u, Z_Operand::which, YAZ_PQF_ERROR_INTERNAL, YAZ_PQF_ERROR_MISSING, Z_Operand_APT, and Z_Operand_resultSetId.

Referenced by rpn_structure().

rpn_structure()

Z_RPNStructure * rpn_structure ( struct yaz_pqf_parser * li, ODR o, int num_attr, int max_attr, Odr_int * attr_list, char ** attr_clist, Odr_oid ** attr_set )

static

Definition at line 586 of file pquery.c.

References Z_RPNStructure::complex, yaz_pqf_parser::error, lex(), odr_malloc(), p_query_parse_attr(), yaz_pqf_parser::query_look, rpn_complex(), rpn_simple(), rpn_structure(), rpn_term_type(), Z_RPNStructure::simple, Z_RPNStructure::u, Z_RPNStructure::which, YAZ_PQF_ERROR_MISSING, YAZ_PQF_ERROR_TOOMANY, Z_RPNStructure_complex, and Z_RPNStructure_simple.

Referenced by p_query_rpn_mk(), rpn_complex(), and rpn_structure().

rpn_term()

Z_AttributesPlusTerm * rpn_term ( struct yaz_pqf_parser * li, ODR o, int num_attr, Odr_int * attr_list, char ** attr_clist, Odr_oid ** attr_set )

static

Definition at line 370 of file pquery.c.

References get_attributeList(), and rpn_term_attributes().

Referenced by rpn_simple().

rpn_term_attributes()

Z_AttributesPlusTerm * rpn_term_attributes ( struct yaz_pqf_parser * li, ODR o, Z_AttributeList * attributes )

static

Definition at line 356 of file pquery.c.

References Z_AttributesPlusTerm::attributes, escape_string(), yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, odr_malloc(), Z_AttributesPlusTerm::term, yaz_pqf_parser::term_type, and z_Term_create().

Referenced by p_query_scan_mk(), and rpn_term().

rpn_term_type()

void rpn_term_type ( struct yaz_pqf_parser * li )

static

Definition at line 559 of file pquery.c.

References compare_term(), yaz_pqf_parser::external_type, lex(), yaz_pqf_parser::query_look, yaz_pqf_parser::term_type, Z_Term_characterString, Z_Term_dateTime, Z_Term_external, Z_Term_general, Z_Term_null, Z_Term_numeric, and Z_Term_oid.

Referenced by p_query_scan_attributes_mk(), and rpn_structure().

yaz_pqf_create()

YAZ_PQF_Parser yaz_pqf_create

(

void

)

Definition at line 798 of file pquery.c.

References yaz_pqf_parser::error, yaz_pqf_parser::escape_char, yaz_pqf_parser::left_sep, yaz_pqf_parser::right_sep, yaz_pqf_parser::term_type, xmalloc, and Z_Term_general.

Referenced by ccl_rpn_query(), ccl_scan_query(), cql2pqf(), parse_facet(), srw_bend_scan(), and srw_bend_search().

yaz_pqf_destroy()

void yaz_pqf_destroy

(

YAZ_PQF_Parser

p

)

Definition at line 811 of file pquery.c.

References xfree.

Referenced by ccl_rpn_query(), ccl_scan_query(), cql2pqf(), parse_facet(), srw_bend_scan(), and srw_bend_search().

yaz_pqf_error()

int yaz_pqf_error	(	YAZ_PQF_Parser	p,
		const char **	msg,
		size_t *	off )

Definition at line 907 of file pquery.c.

References yaz_pqf_parser::error, yaz_pqf_parser::query_buf, yaz_pqf_parser::query_ptr, YAZ_PQF_ERROR_ATTSET, YAZ_PQF_ERROR_BAD_INTEGER, YAZ_PQF_ERROR_BADATTR, YAZ_PQF_ERROR_EXTRA, YAZ_PQF_ERROR_INTERNAL, YAZ_PQF_ERROR_MISSING, YAZ_PQF_ERROR_NONE, YAZ_PQF_ERROR_PROXIMITY, and YAZ_PQF_ERROR_TOOMANY.

Referenced by cql2pqf(), and srw_bend_search().

yaz_pqf_parse()

Z_RPNQuery * yaz_pqf_parse	(	YAZ_PQF_Parser	p,
		ODR	o,
		const char *	qbuf )

Definition at line 816 of file pquery.c.

References p_query_rpn_mk(), and pqf_parser_begin().

Referenced by ccl_rpn_query(), cql2pqf(), and srw_bend_search().

yaz_pqf_parse_facet_list()

Z_FacetList * yaz_pqf_parse_facet_list	(	ODR	o,
		const char *	qbuf )

Definition at line 882 of file pquery.c.

References Z_FacetList::elements, nmem_strsplit(), Z_FacetList::num, odr_getmem, odr_malloc(), and parse_facet().

Referenced by yaz_sru_facet_request(), Z3950_send_search(), and ZOOM_connection_srw_send_search().

yaz_pqf_scan()

Z_AttributesPlusTerm * yaz_pqf_scan	(	YAZ_PQF_Parser	p,
		ODR	o,
		Odr_oid **	attributeSetP,
		const char *	qbuf )

Definition at line 824 of file pquery.c.

References p_query_scan_mk(), and pqf_parser_begin().

Referenced by ccl_scan_query(), and srw_bend_scan().

yaz_pqf_scan_attribute_list()

Z_AttributeList * yaz_pqf_scan_attribute_list	(	YAZ_PQF_Parser	p,
		ODR	o,
		Odr_oid **	attributeSetP,
		const char *	qbuf )

Definition at line 834 of file pquery.c.

References p_query_scan_attributes_mk(), and pqf_parser_begin().

z_Term_create()

Z_Term * z_Term_create	(	ODR	o,
		int	term_type,
		const char *	buf,
		size_t	len )

Definition at line 323 of file pquery.c.

References Z_Term::characterString, Z_Term::external, Z_Term::general, Z_Term::null, Z_Term::numeric, odr_atoi(), odr_create_Odr_oct(), odr_intdup(), odr_malloc(), odr_nullval(), odr_strdupn(), Z_Term::u, Z_Term::which, Z_Term_characterString, Z_Term_external, Z_Term_general, Z_Term_null, and Z_Term_numeric.

Referenced by facet_term_create_cstr(), parse_facet(), and rpn_term_attributes().

zget_AttributeList_use_string()

Z_AttributeList * zget_AttributeList_use_string	(	ODR	o,
		const char *	name )

creates AttributeList with type=1(use) and string value

Parameters

o	ODR for encoding
name	use-value

Returns

attribute list with only one use-attribute

Definition at line 310 of file pquery.c.

References get_attributeList(), name, and odr_strdup().

Referenced by yaz_solr_decode_facet_field(), yaz_sru_facet_response(), and yaz_sru_proxy_decode_facet_field().