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175
intl/hyphenation/hyphen/hyphen.h
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175
intl/hyphenation/hyphen/hyphen.h
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/* Hyphen - hyphenation library using converted TeX hyphenation patterns
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*
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* (C) 1998 Raph Levien
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* (C) 2001 ALTLinux, Moscow
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* (C) 2006, 2007, 2008 László Németh
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*
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* This was part of libHnj library by Raph Levien.
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*
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* Peter Novodvorsky from ALTLinux cut hyphenation part from libHnj
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* to use it in OpenOffice.org.
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*
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* Non-standard and compound word hyphenation support by László Németh.
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*
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* License is the original LibHnj license:
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*
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* LibHnj is dual licensed under LGPL and MPL. Boilerplate for both
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* licenses follows.
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*/
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/* LibHnj - a library for high quality hyphenation and justification
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* Copyright (C) 1998 Raph Levien
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307 USA.
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*/
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/*
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* The contents of this file are subject to the Mozilla Public License
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* Version 1.0 (the "MPL"); you may not use this file except in
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* compliance with the MPL. You may obtain a copy of the MPL at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the MPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the MPL
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* for the specific language governing rights and limitations under the
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* MPL.
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*
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*/
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#ifndef __HYPHEN_H__
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#define __HYPHEN_H__
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#ifdef __cplusplus
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extern "C" {
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#endif /* __cplusplus */
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#include <stdio.h>
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typedef struct _HyphenDict HyphenDict;
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typedef struct _HyphenState HyphenState;
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typedef struct _HyphenTrans HyphenTrans;
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#define MAX_CHARS 100
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#define MAX_NAME 20
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struct _HyphenDict {
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/* user options */
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char lhmin; /* lefthyphenmin: min. hyph. distance from the left side */
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char rhmin; /* righthyphenmin: min. hyph. distance from the right side */
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char clhmin; /* min. hyph. distance from the left compound boundary */
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char crhmin; /* min. hyph. distance from the right compound boundary */
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char * nohyphen; /* comma separated list of characters or character
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sequences with forbidden hyphenation */
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int nohyphenl; /* count of elements in nohyphen */
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/* system variables */
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int num_states;
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char cset[MAX_NAME];
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int utf8;
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HyphenState *states;
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HyphenDict *nextlevel;
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};
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struct _HyphenState {
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char *match;
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char *repl;
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signed char replindex;
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signed char replcut;
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int fallback_state;
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int num_trans;
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HyphenTrans *trans;
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};
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struct _HyphenTrans {
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char ch;
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int new_state;
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};
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HyphenDict *hnj_hyphen_load (const char *fn);
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HyphenDict *hnj_hyphen_load_file (FILE *f);
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void hnj_hyphen_free (HyphenDict *dict);
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/* obsolete, use hnj_hyphen_hyphenate2() or *hyphenate3() functions) */
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int hnj_hyphen_hyphenate (HyphenDict *dict,
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const char *word, int word_size,
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char *hyphens);
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/*
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int hnj_hyphen_hyphenate2(): non-standard hyphenation.
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(It supports Catalan, Dutch, German, Hungarian, Norwegian, Swedish
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etc. orthography, see documentation.)
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input data:
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word: input word
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word_size: byte length of the input word
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hyphens: allocated character buffer (size = word_size + 5)
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hyphenated_word: allocated character buffer (size ~ word_size * 2) or NULL
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rep, pos, cut: pointers (point to the allocated and _zeroed_ buffers
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(size=word_size) or with NULL value) or NULL
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output data:
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hyphens: hyphenation vector (hyphenation points signed with odd numbers)
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hyphenated_word: hyphenated input word (hyphens signed with `='),
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optional (NULL input)
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rep: NULL (only standard hyph.), or replacements (hyphenation points
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signed with `=' in replacements);
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pos: NULL, or difference of the actual position and the beginning
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positions of the change in input words;
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cut: NULL, or counts of the removed characters of the original words
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at hyphenation,
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Note: rep, pos, cut are complementary arrays to the hyphens, indexed with the
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character positions of the input word.
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For example:
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Schiffahrt -> Schiff=fahrt,
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pattern: f1f/ff=f,1,2
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output: rep[5]="ff=f", pos[5] = 1, cut[5] = 2
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Note: hnj_hyphen_hyphenate2() can allocate rep, pos, cut (word_size
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length arrays):
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char ** rep = NULL;
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int * pos = NULL;
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int * cut = NULL;
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char hyphens[MAXWORDLEN];
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hnj_hyphen_hyphenate2(dict, "example", 7, hyphens, NULL, &rep, &pos, &cut);
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See example in the source distribution.
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*/
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int hnj_hyphen_hyphenate2 (HyphenDict *dict,
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const char *word, int word_size, char * hyphens,
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char *hyphenated_word, char *** rep, int ** pos, int ** cut);
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/* like hnj_hyphen_hyphenate2, but with hyphenmin parameters */
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/* lhmin: lefthyphenmin
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* rhmin: righthyphenmin
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* clhmin: compoundlefthyphemin
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* crhmin: compoundrighthyphenmin
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* (see documentation) */
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int hnj_hyphen_hyphenate3 (HyphenDict *dict,
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const char *word, int word_size, char * hyphens,
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char *hyphword, char *** rep, int ** pos, int ** cut,
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int lhmin, int rhmin, int clhmin, int crhmin);
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#ifdef __cplusplus
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}
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#endif /* __cplusplus */
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#endif /* __HYPHEN_H__ */
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