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//proc/thread-self/root/usr/include/yaz/icu.h
/* This file is part of the YAZ toolkit. * Copyright (C) 1995-2012 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 \brief ICU utilities */ #ifndef YAZ_ICU_H #define YAZ_ICU_H #include <yaz/yconfig.h> #include <yaz/xmltypes.h> #include <unicode/utypes.h> YAZ_BEGIN_CDECL /** \brief opaque ICU chain */ typedef struct icu_chain *yaz_icu_chain_t; /** \brief destroys ICU chain */ YAZ_EXPORT void icu_chain_destroy(yaz_icu_chain_t chain); /** \brief constructs ICU chain from XML specification \param xml_node icu_chain XML node - with attribute locale in it \param sort 1 if ICU chain is to deal with sort keys; 0 otherwise \param status May include ICU error code on failure \returns chain ptr or NULL on failure in which case status may hold info */ YAZ_EXPORT yaz_icu_chain_t icu_chain_xml_config(const xmlNode *xml_node, int sort, UErrorCode * status); /** \brief pass string to ICU for parsing/tokenization/etc \param chain ICU chain to be used for parsing \param src8cstr input C string (null-terminated) \param status may include ICU error on failure \retval 0 failure \retval 1 success */ YAZ_EXPORT int icu_chain_assign_cstr(yaz_icu_chain_t chain, const char * src8cstr, UErrorCode *status); /** \brief returns one token (if any) \param chain ICU chain \param status may include ICU error on failure \retval 0 error or end-of-tokens (no more tokens) \retval >0 token number (1, 3, 3, ..) This function tries to move to "next" token in assigned C-string .. Or returns 0 if no more is to be found */ YAZ_EXPORT int icu_chain_next_token(yaz_icu_chain_t chain, UErrorCode *status); /** \brief returns token number of last token processed \brief chain ICU chain \returns token number (numbered from 1) */ YAZ_EXPORT int icu_chain_token_number(yaz_icu_chain_t chain); /** \brief returns display token of last token processed \param chain ICU chain \returns display token string (C string) This function returns display string for last token returned by icu_chain_next_token. */ YAZ_EXPORT const char * icu_chain_token_display(yaz_icu_chain_t chain); /** \brief returns normalized token of last token processed \param chain ICU chain \returns normalized token string (C string) This function returns normalized string for last token returned by icu_chain_next_token. */ YAZ_EXPORT const char * icu_chain_token_norm(yaz_icu_chain_t chain); /** \brief returns sortkey token of last token processed \param chain ICU chain \returns sortkey token string (C string) This function returns sortkey string for last token returned by icu_chain_next_token. */ YAZ_EXPORT const char * icu_chain_token_sortkey(yaz_icu_chain_t chain); /** \brief ICU tokenizer iterator type (opaque) */ typedef struct icu_iter *yaz_icu_iter_t; /** \brief create ICU tokenizer iterator from chain \param chain ICU chain \returns ICU iterator */ YAZ_EXPORT yaz_icu_iter_t icu_iter_create(struct icu_chain *chain); /** \brief starts iteration over string \param iter ICU tokenizer iterator \param src8cstr input string (0-terminated) Call icu_iter_next to iterate over each token. */ YAZ_EXPORT void icu_iter_first(yaz_icu_iter_t iter, const char *src8cstr); /** \brief iterates over one token \param iter ICU tokenizer iterator \retval 0 no more tokens (EOF) \retval 1 got one token (use icu_iter_get..-functions) */ YAZ_EXPORT int icu_iter_next(yaz_icu_iter_t iter); /** \brief destroy ICU tokenizer iterator \param iter ICU tokenizer iterator */ YAZ_EXPORT void icu_iter_destroy(yaz_icu_iter_t iter); /** \brief returns ICU normalized token \param iter ICU tokenizer iterator \returns string (0-terminated) */ YAZ_EXPORT const char *icu_iter_get_norm(yaz_icu_iter_t iter); /** \brief returns ICU sortkey string \param iter ICU tokenizer iterator \returns string (0-terminated) */ YAZ_EXPORT const char *icu_iter_get_sortkey(yaz_icu_iter_t iter); /** \brief returns ICU display string \param iter ICU tokenizer iterator \returns string (0-terminated) */ YAZ_EXPORT const char *icu_iter_get_display(yaz_icu_iter_t iter); /** \brief returns ICU token count for iterator \param iter ICU tokenizer iterator \returns token count (1, 2, 3...) */ YAZ_EXPORT int icu_iter_get_token_number(yaz_icu_iter_t iter); YAZ_END_CDECL #endif /* YAZ_ICU_H */ /* * Local variables: * c-basic-offset: 4 * c-file-style: "Stroustrup" * indent-tabs-mode: nil * End: * vim: shiftwidth=4 tabstop=8 expandtab */