ccl_stop_words.c File Reference

Removes stop words from terms in RPN tree. More...

#include <stdio.h>
#include <string.h>
#include <yaz/ccl.h>
#include <yaz/nmem.h>

Go to the source code of this file.

Data Structures
struct	ccl_stop_info
struct	ccl_stop_words

Functions
static void	append_removed_item (ccl_stop_words_t csw, const char *qname, const char *t, size_t len)
ccl_stop_words_t	ccl_stop_words_create (void)
	creates stop words handle
void	ccl_stop_words_destroy (ccl_stop_words_t csw)
	destroys stop words handle
struct ccl_rpn_node *	ccl_remove_stop_r (ccl_stop_words_t csw, CCL_bibset bibset, struct ccl_rpn_node *p)
int	ccl_stop_words_tree (ccl_stop_words_t csw, CCL_bibset bibset, struct ccl_rpn_node **t)
	removes stop words from RPN tree
int	ccl_stop_words_info (ccl_stop_words_t csw, int idx, const char **qualname, const char **term)
	returns information about removed "stop" words

Detailed Description

Removes stop words from terms in RPN tree.

Definition in file ccl_stop_words.c.

Function Documentation

append_removed_item()

static void append_removed_item ( ccl_stop_words_t  csw, const char *  qname, const char *  t, size_t  len  )

static

Definition at line 30 of file ccl_stop_words.c.

References ccl_stop_info::next, ccl_stop_words::nmem, nmem_malloc(), nmem_strdup(), ccl_stop_info::qualname, ccl_stop_words::removed_items, and ccl_stop_info::term.

Referenced by ccl_remove_stop_r().

ccl_remove_stop_r()

struct ccl_rpn_node * ccl_remove_stop_r	(	ccl_stop_words_t	csw,
		CCL_bibset	bibset,
		struct ccl_rpn_node *	p
	)

Definition at line 73 of file ccl_stop_words.c.

References append_removed_item(), ccl_stop_words::blank_chars, ccl_remove_stop_r(), CCL_RPN_AND, ccl_rpn_delete(), CCL_RPN_NOT, CCL_RPN_OR, CCL_RPN_PROX, CCL_RPN_SET, CCL_RPN_TERM, ccl_search_stop(), ccl_rpn_node::kind, ccl_rpn_node::p, ccl_rpn_node::qual, ccl_stop_words::removed_items, ccl_rpn_node::t, ccl_rpn_node::term, and ccl_rpn_node::u.

Referenced by ccl_remove_stop_r(), and ccl_stop_words_tree().

ccl_stop_words_create()

ccl_stop_words_t ccl_stop_words_create

(

void

)

creates stop words handle

Definition at line 53 of file ccl_stop_words.c.

References ccl_stop_words::blank_chars, ccl_stop_words::nmem, nmem_create(), ccl_stop_words::removed_items, xmalloc, and xstrdup.

ccl_stop_words_destroy()

void ccl_stop_words_destroy

(

ccl_stop_words_t

csw

)

destroys stop words handle

Definition at line 63 of file ccl_stop_words.c.

References ccl_stop_words::blank_chars, ccl_stop_words::nmem, nmem_destroy(), and xfree.

ccl_stop_words_info()

int ccl_stop_words_info	(	ccl_stop_words_t	csw,
		int	idx,
		const char **	qualname,
		const char **	term
	)

returns information about removed "stop" words

Definition at line 178 of file ccl_stop_words.c.

References ccl_stop_info::next, ccl_stop_info::qualname, ccl_stop_words::removed_items, and ccl_stop_info::term.

ccl_stop_words_tree()

int ccl_stop_words_tree	(	ccl_stop_words_t	csw,
		CCL_bibset	bibset,
		struct ccl_rpn_node **	t
	)

removes stop words from RPN tree

Definition at line 162 of file ccl_stop_words.c.

References ccl_remove_stop_r(), ccl_stop_words::nmem, nmem_reset(), ccl_stop_words::removed_items, and ccl_rpn_node::t.