-/*
- * Copyright (c) 1995, the EUROPAGATE consortium (see below).
- *
- * The EUROPAGATE consortium members are:
- *
- * University College Dublin
- * Danmarks Teknologiske Videnscenter
- * An Chomhairle Leabharlanna
- * Consejo Superior de Investigaciones Cientificas
- *
- * Permission to use, copy, modify, distribute, and sell this software and
- * its documentation, in whole or in part, for any purpose, is hereby granted,
- * provided that:
- *
- * 1. This copyright and permission notice appear in all copies of the
- * software and its documentation. Notices of copyright or attribution
- * which appear at the beginning of any file must remain unchanged.
- *
- * 2. The names of EUROPAGATE or the project partners may not be used to
- * endorse or promote products derived from this software without specific
- * prior written permission.
- *
- * 3. Users of this software (implementors and gateway operators) agree to
- * inform the EUROPAGATE consortium of their use of the software. This
- * information will be used to evaluate the EUROPAGATE project and the
- * software, and to plan further developments. The consortium may use
- * the information in later publications.
- *
- * 4. Users of this software agree to make their best efforts, when
- * documenting their use of the software, to acknowledge the EUROPAGATE
- * consortium, and the role played by the software in their work.
+/* This file is part of the YAZ toolkit.
+ * Copyright (C) 1995-2010 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:
*
- * THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS, IMPLIED, OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
- * WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
- * IN NO EVENT SHALL THE EUROPAGATE CONSORTIUM OR ITS MEMBERS BE LIABLE
- * FOR ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF
- * ANY KIND, OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA
- * OR PROFITS, WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND
- * ON ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
- * USE OR PERFORMANCE OF THIS SOFTWARE.
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * * Neither the name of Index Data nor the names of its contributors
+ * may be used to endorse or promote products derived from this
+ * software without specific prior written permission.
*
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** \file ccl.h
/*
* CCL - header file
*
- * $Id: ccl.h,v 1.26 2007-04-26 21:45:16 adam Exp $
*
* Old Europagate Log:
*
struct ccl_rpn_attr *next;
/** \brief attribute set */
char *set;
- /** \brief attribute type, Bib-1: 1=use, 2=relation, 3=position, .. */
+ /** \brief attribute type, Bib-1: 1=use, 2=relation, 3=position, etc */
int type;
/** \brief attribute value type (numeric or string) */
int kind;
/** \brief RPN tree structure node */
struct ccl_rpn_node {
- /** \brief node type, one of CCL_RPN_AND, CCL_RPN_OR,.. */
+ /** \brief node type, one of CCL_RPN_AND, CCL_RPN_OR, etc */
enum ccl_rpn_kind kind;
union {
/** \brief Boolean including proximity 0=left, 1=right, 2=prox parms */
/** \brief Attributes + Term */
struct {
char *term;
+ char *qual;
struct ccl_rpn_attr *attr_list;
} t;
/** Result set */
YAZ_EXPORT
struct ccl_rpn_node *ccl_parser_find_str(CCL_parser cclp, const char *str);
-/** Set names for AND operator in parser */
-YAZ_EXPORT
-void ccl_parser_set_op_and(CCL_parser p, const char *op);
-
-/** Set names for OR operator in parser */
-YAZ_EXPORT
-void ccl_parser_set_op_or(CCL_parser p, const char *op);
-
-/** Set names for ANDNOT operator in parser */
-YAZ_EXPORT
-void ccl_parser_set_op_not(CCL_parser p, const char *op);
-
-/** Set names for ResultSet in parser */
-YAZ_EXPORT
-void ccl_parser_set_op_set(CCL_parser p, const char *op);
-
/** Set case sensitivity for parser */
YAZ_EXPORT
void ccl_parser_set_case(CCL_parser p, int case_sensitivity_flag);
/** Add special qualifier */
YAZ_EXPORT
-void ccl_qual_add_special(CCL_bibset bibset, const char *n, const char *v);
+void ccl_qual_add_special(CCL_bibset bibset, const char *n, const char *cp);
/** Add combo qualifier */
YAZ_EXPORT
-void ccl_qual_add_combi(CCL_bibset b, const char *n, const char *names);
+void ccl_qual_add_combi(CCL_bibset b, const char *n, const char **names);
/** Read CCL qualifier list spec from file inf */
YAZ_EXPORT
YAZ_EXPORT
int ccl_memicmp(const char *s1, const char *s2, size_t n);
-/** Search for qualifier 'name' in set 'b'. */
-YAZ_EXPORT
-struct ccl_rpn_attr *ccl_qual_search(CCL_parser cclp, const char *name,
- size_t len, int seq);
-
/** Create CCL parser */
YAZ_EXPORT
CCL_parser ccl_parser_create(CCL_bibset bibset);
/** Search for special qualifier */
YAZ_EXPORT
-const char *ccl_qual_search_special(CCL_bibset b, const char *name);
+const char **ccl_qual_search_special(CCL_bibset b, const char *name);
/** Pretty-print CCL RPN node tree to WRBUF */
YAZ_EXPORT
void ccl_pquery(WRBUF w, struct ccl_rpn_node *p);
void ccl_add_attr_string(struct ccl_rpn_node *p, const char *set,
int type, char *value);
+YAZ_EXPORT
+int ccl_search_stop(CCL_bibset bibset, const char *qname,
+ const char *src_str, size_t src_len);
+
+
+/** \brief stop words handle (pimpl) */
+typedef struct ccl_stop_words *ccl_stop_words_t;
+
+/** \brief creates stop words handle */
+YAZ_EXPORT
+ccl_stop_words_t ccl_stop_words_create(void);
+
+/** \brief destroys stop words handle */
+YAZ_EXPORT
+void ccl_stop_words_destroy(ccl_stop_words_t csw);
+
+/** \brief removes stop words from RPN tree */
+YAZ_EXPORT
+int ccl_stop_words_tree(ccl_stop_words_t csw,
+ CCL_bibset bibset, struct ccl_rpn_node **t);
+
+/** \brief returns information about removed "stop" words */
+YAZ_EXPORT
+int ccl_stop_words_info(ccl_stop_words_t csw, int idx,
+ const char **qualname, const char **term);
#ifndef ccl_assert
#define ccl_assert(x) ;
/*
* Local variables:
* c-basic-offset: 4
+ * c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab