/* This file is part of the YAZ toolkit.
- * Copyright (C) 1995-2008 Index Data.
+ * Copyright (C) Index Data.
* All rights reserved.
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
#define RPN2CQL_H_INCLUDED
#include <yaz/z-core.h>
#include <yaz/cql.h>
+#include <yaz/wrbuf.h>
YAZ_BEGIN_CDECL
-/** \brief transforms PQF given a CQL tree (from FILE)
+/** \brief transforms RPN query to CQL output stream (re-entrant)
\param ct CQL transform handle
+ \param addinfo for additional error info
\param pr print function
\param client_data opaque data to be passed to print handler
\param q RPN Query
\retval !=0 failure (error code)
*/
YAZ_EXPORT
-int cql_transform_rpn2cql(cql_transform_t ct,
- void (*pr)(const char *buf, void *client_data),
- void *client_data,
- Z_RPNQuery *q);
+int cql_transform_rpn2cql_stream_r(cql_transform_t ct,
+ WRBUF addinfo,
+ void (*pr)(const char *buf,
+ void *client_data),
+ void *client_data,
+ Z_RPNQuery *q);
+
+
+/** \brief transforms RPN query to CQL output stream (NOT re-entrant)
+ \param ct CQL transform handle
+ \param pr print function
+ \param client_data opaque data to be passed to print handler
+ \param q RPN Query
+ \retval 0 success
+ \retval !=0 failure (error code)
+ */
+YAZ_EXPORT
+int cql_transform_rpn2cql_stream(cql_transform_t ct,
+ void (*pr)(const char *buf, void *client_data),
+ void *client_data,
+ Z_RPNQuery *q);
+
+
+/** \brief transforms RPN query to CQL WRBUF (NOT re-entrant)
+ \param ct CQL transform handle
+ \param w WRBUF handle for result
+ \param q RPN Query
+ \retval 0 success
+ \retval !=0 failure (error code)
+ */
+YAZ_EXPORT
+int cql_transform_rpn2cql_wrbuf(cql_transform_t ct, WRBUF w, Z_RPNQuery *q);
+
+/** \brief find a pattern that has a subset of attributes
+ \param ct CQL transform handle
+ \param category pattern category
+ \param attributes RPN attributes
+ \returns pattern value or NULL if not found
+ */
+YAZ_EXPORT
+const char *cql_lookup_reverse(cql_transform_t ct,
+ const char *category,
+ Z_AttributeList *attributes);
YAZ_END_CDECL
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab