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>

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 compare_term(), yaz_pqf_parser::lex_buf, and yaz_pqf_parser::lex_len.

Referenced by compare_term(), 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.

References escape_string().

Referenced by escape_string(), 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, get_attributeList(), Z_AttributeList::num_attributes, odr_malloc(), odr_nullval(), Z_AttributeElement::value, Z_AttributeElement::which, Z_AttributeValue_complex, Z_AttributeValue_numeric, and Z_StringOrNumeric_string.

Referenced by get_attributeList(), 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 lex(), yaz_pqf_parser::query_look, and query_token().

Referenced by lex(), 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(), p_query_parse_attr(), 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_parse_attr(), 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(), p_query_rpn_mk(), pqf_parser_begin(), yaz_pqf_parser::right_sep, yaz_pqf_parser::term_type, and Z_Term_general.

Referenced by generate(), and p_query_rpn().

◆ 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(), p_query_rpn_mk(), 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(), p_query_rpn_mk(), 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(), p_query_scan_attributes_mk(), 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_attributes_mk(), 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(), p_query_scan_mk(), yaz_pqf_parser::query_look, rpn_term_attributes(), YAZ_PQF_ERROR_EXTRA, and YAZ_PQF_ERROR_MISSING.

Referenced by p_query_scan_mk(), and 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(), parse_facet(), 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 parse_facet(), and 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, pqf_parser_begin(), yaz_pqf_parser::query_buf, and yaz_pqf_parser::query_ptr.

Referenced by p_query_rpn(), parse_facet(), pqf_parser_begin(), 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, query_oid_getvalbyname(), yaz_oid_std(), and yaz_string_to_oid_odr().

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

◆ 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, query_token(), yaz_pqf_parser::right_sep, and yaz_isdigit.

Referenced by lex(), and query_token().

◆ 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 yaz_pqf_parser::error, lex(), odr_malloc(), odr_nullval(), yaz_pqf_parser::query_look, Z_Complex::roperator, rpn_complex(), 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_complex(), and rpn_structure().

◆ rpn_proximity()

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

static

◆ 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 yaz_pqf_parser::error, lex(), yaz_pqf_parser::lex_buf, yaz_pqf_parser::lex_len, odr_malloc(), odr_strdupn(), yaz_pqf_parser::query_look, rpn_simple(), 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_simple(), and 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 )