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/* This file is part of the YAZ toolkit.
* 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:
*
* * 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
\brief Header with public definitions for CCL.
*/
/*
* CCL - header file
*
*
* Old Europagate Log:
*
* Revision 1.10 1996/01/08 08:41:22 adam
* Minor changes.
*
* Revision 1.9 1995/07/20 08:15:16 adam
* Bug fix: Token value for comma and OR were the same!
*
* Revision 1.8 1995/07/11 12:28:34 adam
* New function: ccl_token_simple (split into simple tokens) and
* ccl_token_del (delete tokens).
*
* Revision 1.7 1995/05/16 09:39:38 adam
* LICENSE.
*
* Revision 1.6 1995/05/11 14:04:03 adam
* Changes in the reading of qualifier(s). New function: ccl_qual_fitem.
* New variable ccl_case_sensitive, which controls whether reserved
* words and field names are case sensitive or not.
*
* Revision 1.5 1995/02/23 08:32:11 adam
* Changed header.
*
* Revision 1.3 1995/02/16 13:20:10 adam
* Spell fix.
*
* Revision 1.2 1995/02/15 17:43:08 adam
* Minor changes to the ccl interface. Bug fix in iso2709 module.
*
* Revision 1.1 1995/02/14 19:55:21 adam
* Header files ccl.h/cclp.h are gone! They have been merged an
* moved to ../include/ccl.h.
*
*/
#ifndef CCL_H
#define CCL_H
#include <yaz/yconfig.h>
#include <stdio.h>
#include <yaz/xmalloc.h>
#include <yaz/wrbuf.h>
YAZ_BEGIN_CDECL
#define CCL_ERR_OK 0
#define CCL_ERR_TERM_EXPECTED 1
#define CCL_ERR_RP_EXPECTED 2
#define CCL_ERR_SETNAME_EXPECTED 3
#define CCL_ERR_OP_EXPECTED 4
#define CCL_ERR_BAD_RP 5
#define CCL_ERR_UNKNOWN_QUAL 6
#define CCL_ERR_DOUBLE_QUAL 7
#define CCL_ERR_EQ_EXPECTED 8
#define CCL_ERR_BAD_RELATION 9
#define CCL_ERR_TRUNC_NOT_LEFT 10
#define CCL_ERR_TRUNC_NOT_BOTH 11
#define CCL_ERR_TRUNC_NOT_RIGHT 12
#define CCL_ERR_TRUNC_NOT_EMBED 13
#define CCL_ERR_TRUNC_NOT_SINGLE 14
/** \brief attribute node (type, value) pair as used in RPN */
struct ccl_rpn_attr {
/** \brief next attribute */
struct ccl_rpn_attr *next;
/** \brief attribute set */
char *set;
/** \brief attribute type, Bib-1: 1=use, 2=relation, 3=position, etc */
int type;
/** \brief attribute value type (numeric or string) */
int kind;
#define CCL_RPN_ATTR_NUMERIC 1
#define CCL_RPN_ATTR_STRING 2
union {
/** \brief numeric attribute value */
int numeric;
/** \brief string attribute value */
char *str;
} value;
};
/** \brief node type or RPN tree generated by the CCL parser */
enum ccl_rpn_kind {
CCL_RPN_AND,
CCL_RPN_OR,
CCL_RPN_NOT,
CCL_RPN_TERM,
CCL_RPN_SET,
CCL_RPN_PROX
};
/** \brief RPN tree structure node */
struct ccl_rpn_node {
/** \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 */
struct ccl_rpn_node *p[3];
/** \brief Attributes + Term */
struct {
char *term;
char *qual;
struct ccl_rpn_attr *attr_list;
} t;
/** Result set */
char *setname;
} u;
};
/** \brief CCL bibset, AKA profile */
typedef struct ccl_qualifiers *CCL_bibset;
/** \brief CCL parser */
typedef struct ccl_parser *CCL_parser;
/**
\brief parse CCL find string using CCL profile return RPN tree
Parses a CCL Find command in a simple C string. Returns CCL parse
tree node describing RPN if parsing is successful. If parsing is
unsuccesful, NULL is returned and error and pos is set accordingly.
*/
YAZ_EXPORT
struct ccl_rpn_node *ccl_find_str(CCL_bibset bibset,
const char *str, int *error, int *pos);
/**
\brief parse CCL find string with parser and return RPN tree
Parses a CCL Find command in a simple C string. Returns CCL parse
tree node describing RPN if parsing is successful. If parsing is
unsuccesful, NULL is returned and error and pos is set accordingly.
*/
YAZ_EXPORT
struct ccl_rpn_node *ccl_parser_find_str(CCL_parser cclp, const char *str);
/** Set case sensitivity for parser */
YAZ_EXPORT
void ccl_parser_set_case(CCL_parser p, int case_sensitivity_flag);
/** Return english-readable error message for CCL parser error number */
YAZ_EXPORT
const char *ccl_err_msg(int ccl_errno);
/** Delete RPN tree returned by ccl_find */
YAZ_EXPORT
void ccl_rpn_delete(struct ccl_rpn_node *rpn);
/** Dump RPN tree in readable format to fd_out */
YAZ_EXPORT
void ccl_pr_tree(struct ccl_rpn_node *rpn, FILE *fd_out);
/** Add qualifier and supply attribute pairs for it */
YAZ_EXPORT
void ccl_qual_add(CCL_bibset b, const char *name, int no, int *attr);
/** Add qualifier and supply attributes pairs+attribute set for it */
YAZ_EXPORT
void ccl_qual_add_set(CCL_bibset b, const char *name, int no,
int *type, int *value, char **svalue, char **attsets);
/** Add special qualifier */
YAZ_EXPORT
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);
/** Read CCL qualifier list spec from file inf */
YAZ_EXPORT
void ccl_qual_file(CCL_bibset bibset, FILE *inf);
/** Read CCL qualifier list spec from file inf */
YAZ_EXPORT
int ccl_qual_fname(CCL_bibset bibset, const char *fname);
/** Add CCL qualifier as buf spec(multiple lines). */
YAZ_EXPORT
void ccl_qual_buf(CCL_bibset bibset, const char *buf);
/** Add CCL qualifier as line spec. Note: line is _modified_ */
YAZ_EXPORT
void ccl_qual_line(CCL_bibset bibset, char *line);
/* Add CCL qualifier by using qual_name + value pair */
YAZ_EXPORT
void ccl_qual_fitem(CCL_bibset bibset, const char *value,
const char *qual_name);
YAZ_EXPORT
int ccl_qual_fitem2(CCL_bibset bibset, const char *value,
const char *qual_name, const char **addinfo);
/** Make CCL qualifier set */
YAZ_EXPORT
CCL_bibset ccl_qual_mk(void);
/** Make CCL qualifier set from an existing one (duplicate it) */
YAZ_EXPORT
CCL_bibset ccl_qual_dup(CCL_bibset b);
/** Delete CCL qualifier set */
YAZ_EXPORT
void ccl_qual_rm(CCL_bibset *b);
/** Char-to-upper function */
extern int(*ccl_toupper)(int c);
/** CCL version of ccl_stricmp */
YAZ_EXPORT
int ccl_stricmp(const char *s1, const char *s2);
/** CCL version of ccl_memicmp */
YAZ_EXPORT
int ccl_memicmp(const char *s1, const char *s2, size_t n);
/** Create CCL parser */
YAZ_EXPORT
CCL_parser ccl_parser_create(CCL_bibset bibset);
/** Destroy CCL parser */
YAZ_EXPORT
void ccl_parser_destroy(CCL_parser p);
/** Search for special qualifier */
YAZ_EXPORT
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);
YAZ_EXPORT
int ccl_parser_get_error(CCL_parser cclp, int *pos);
YAZ_EXPORT
struct ccl_rpn_node *ccl_rpn_node_create(enum ccl_rpn_kind kind);
YAZ_EXPORT
void ccl_add_attr_numeric(struct ccl_rpn_node *p, const char *set,
int type, int value);
YAZ_EXPORT
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);
YAZ_EXPORT
struct ccl_rpn_attr *ccl_parser_qual_search(CCL_parser cclp, const char *name,
size_t name_len);
#ifndef ccl_assert
#define ccl_assert(x) ;
#endif
/** \brief common attributes
use (1)
relation (2)
-1 none
0 ordered
1-6 relation (<, <=, =, >=, >, <>)
position (3)
-1 none
1 first in field
2 first in sub field
3 any position in field
structure (4)
-1 none
0 word/phrase auto select
1 phrase
2 word
3 key
4 year
5 date (normalized)
6 word list
100 date (un-normalized)
101 name (normalized)
102 name (un-normalized)
truncation (5)
completeness (6)
*/
#define CCL_BIB1_USE 1
#define CCL_BIB1_REL 2
#define CCL_BIB1_POS 3
#define CCL_BIB1_STR 4
#define CCL_BIB1_TRU 5
#define CCL_BIB1_COM 6
#define CCL_BIB1_STR_WP (-1)
#define CCL_BIB1_STR_AND_LIST (-2)
#define CCL_BIB1_STR_OR_LIST (-3)
#define CCL_BIB1_STR_AUTO_GROUP (-4)
#define CCL_BIB1_STR_SPLIT_LIST (-5)
#define CCL_BIB1_REL_ORDER (-1)
#define CCL_BIB1_REL_PORDER (-2)
#define CCL_BIB1_REL_OMIT_EQUALS (-3)
#define CCL_BIB1_TRU_CAN_LEFT (-1)
#define CCL_BIB1_TRU_CAN_RIGHT (-2)
#define CCL_BIB1_TRU_CAN_BOTH (-3)
#define CCL_BIB1_TRU_CAN_NONE (-4)
#define CCL_BIB1_TRU_CAN_REGEX (-5)
#define CCL_BIB1_TRU_CAN_Z3958 (-6)
YAZ_END_CDECL
#endif
/*
* Local variables:
* c-basic-offset: 4
* c-file-style: "Stroustrup"
* indent-tabs-mode: nil
* End:
* vim: shiftwidth=4 tabstop=8 expandtab
*/