rpn2cql.h File Reference

Header for RPN to CQL tranform. More...

#include <yaz/z-core.h>
#include <yaz/cql.h>
#include <yaz/wrbuf.h>

Go to the source code of this file.

Functions
int	cql_transform_rpn2cql_stream (cql_transform_t ct, void(*pr)(const char *buf, void *client_data), void *client_data, Z_RPNQuery *q)
	transforms RPN query to CQL output stream
int	cql_transform_rpn2cql_wrbuf (cql_transform_t ct, WRBUF w, Z_RPNQuery *q)
	transforms RPN query to CQL WRBUF
const char *	cql_lookup_reverse (cql_transform_t ct, const char *category, Z_AttributeList *attributes)
	find a pattern that has a subset of attributes

Detailed Description

Header for RPN to CQL tranform.

Definition in file rpn2cql.h.

Function Documentation

const char* cql_lookup_reverse	(	cql_transform_t	ct,
		const char *	category,
		Z_AttributeList *	attributes
	)

find a pattern that has a subset of attributes

Parameters

ct	CQL transform handle
category	pattern category
attributes	RPN attributes

Returns

pattern value or NULL if not found

Definition at line 323 of file cqltransform.c.

References cql_prop_entry::attr_list, Z_AttributeList::attributes, compare_attr(), cql_transform_t_::entry, cql_prop_entry::next, Z_AttributeList::num_attributes, and cql_prop_entry::pattern.

Referenced by rpn2cql_attr().

int cql_transform_rpn2cql_stream	(	cql_transform_t	ct,
		void(*)(const char *buf, void *client_data)	pr,
		void *	client_data,
		Z_RPNQuery *	q
	)

transforms RPN query to CQL output stream

Parameters

ct	CQL transform handle
pr	print function
client_data	opaque data to be passed to print handler
q	RPN Query

Return values

0	success
!=0	failure (error code)

Definition at line 353 of file rpn2cql.c.

References cql_transform_set_error(), rpn2cql_structure(), Z_RPNQuery::RPNStructure, wrbuf_alloc(), and wrbuf_destroy().

Referenced by cql_transform_rpn2cql_wrbuf().

int cql_transform_rpn2cql_wrbuf	(	cql_transform_t	ct,
		WRBUF	w,
		Z_RPNQuery *	q
	)

transforms RPN query to CQL WRBUF

Parameters

ct	CQL transform handle
w	WRBUF handle for result
q	RPN Query

Return values

0	success
!=0	failure (error code)

Definition at line 367 of file rpn2cql.c.

References cql_transform_rpn2cql_stream(), and wrbuf_vputs().