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| 1 /* Hyphen - hyphenation library using converted TeX hyphenation patterns | |
| 2 * | |
| 3 * (C) 1998 Raph Levien | |
| 4 * (C) 2001 ALTLinux, Moscow | |
| 5 * (C) 2006, 2007, 2008 László Németh | |
| 6 * | |
| 7 * This was part of libHnj library by Raph Levien. | |
| 8 * | |
| 9 * Peter Novodvorsky from ALTLinux cut hyphenation part from libHnj | |
| 10 * to use it in OpenOffice.org. | |
| 11 * | |
| 12 * Non-standard and compound word hyphenation support by László Németh. | |
| 13 * | |
| 14 * License is the original LibHnj license: | |
| 15 * | |
| 16 * LibHnj is dual licensed under LGPL and MPL. Boilerplate for both | |
| 17 * licenses follows. | |
| 18 */ | |
| 19 | |
| 20 /* LibHnj - a library for high quality hyphenation and justification | |
| 21 * Copyright (C) 1998 Raph Levien | |
| 22 * | |
| 23 * This library is free software; you can redistribute it and/or | |
| 24 * modify it under the terms of the GNU Library General Public | |
| 25 * License as published by the Free Software Foundation; either | |
| 26 * version 2 of the License, or (at your option) any later version. | |
| 27 * | |
| 28 * This library is distributed in the hope that it will be useful, | |
| 29 * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 30 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 31 * Library General Public License for more details. | |
| 32 * | |
| 33 * You should have received a copy of the GNU Library General Public | |
| 34 * License along with this library; if not, write to the | |
| 35 * Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 36 * Boston, MA 02111-1307 USA. | |
| 37 */ | |
| 38 | |
| 39 /* | |
| 40 * The contents of this file are subject to the Mozilla Public License | |
| 41 * Version 1.0 (the "MPL"); you may not use this file except in | |
| 42 * compliance with the MPL. You may obtain a copy of the MPL at | |
| 43 * http://www.mozilla.org/MPL/ | |
| 44 * | |
| 45 * Software distributed under the MPL is distributed on an "AS IS" basis, | |
| 46 * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the MPL | |
| 47 * for the specific language governing rights and limitations under the | |
| 48 * MPL. | |
| 49 * | |
| 50 */ | |
| 51 #ifndef __HYPHEN_H__ | |
| 52 #define __HYPHEN_H__ | |
| 53 | |
| 54 #ifdef __cplusplus | |
| 55 extern "C" { | |
| 56 #endif /* __cplusplus */ | |
| 57 | |
| 58 typedef struct _HyphenDict HyphenDict; | |
| 59 typedef struct _HyphenState HyphenState; | |
| 60 typedef struct _HyphenTrans HyphenTrans; | |
| 61 #define MAX_CHARS 100 | |
| 62 #define MAX_NAME 20 | |
| 63 | |
| 64 struct _HyphenDict { | |
| 65 /* user options */ | |
| 66 char lhmin; /* lefthyphenmin: min. hyph. distance from the left side */ | |
| 67 char rhmin; /* righthyphenmin: min. hyph. distance from the right side */ | |
| 68 char clhmin; /* min. hyph. distance from the left compound boundary */ | |
| 69 char crhmin; /* min. hyph. distance from the right compound boundary */ | |
| 70 /* system variables */ | |
| 71 int num_states; | |
| 72 char cset[MAX_NAME]; | |
| 73 int utf8; | |
| 74 HyphenState *states; | |
| 75 HyphenDict *nextlevel; | |
| 76 }; | |
| 77 | |
| 78 struct _HyphenState { | |
| 79 char *match; | |
| 80 char *repl; | |
| 81 signed char replindex; | |
| 82 signed char replcut; | |
| 83 int fallback_state; | |
| 84 int num_trans; | |
| 85 HyphenTrans *trans; | |
| 86 }; | |
| 87 | |
| 88 struct _HyphenTrans { | |
| 89 char ch; | |
| 90 int new_state; | |
| 91 }; | |
| 92 | |
| 93 #if 0 | |
| 94 /* DO NOT USE, there are known problems with Unicode on Windows. */ | |
| 95 HyphenDict *hnj_hyphen_load (const char *fn); | |
| 96 #endif | |
| 97 HyphenDict *hnj_hyphen_load_file (FILE *f); | |
| 98 void hnj_hyphen_free (HyphenDict *dict); | |
| 99 | |
| 100 /* obsolete, use hnj_hyphen_hyphenate2() or *hyphenate3() functions) */ | |
| 101 int hnj_hyphen_hyphenate (HyphenDict *dict, | |
| 102 const char *word, int word_size, | |
| 103 char *hyphens); | |
| 104 | |
| 105 /* | |
| 106 | |
| 107 int hnj_hyphen_hyphenate2(): non-standard hyphenation. | |
| 108 | |
| 109 (It supports Catalan, Dutch, German, Hungarian, Norwegian, Swedish | |
| 110 etc. orthography, see documentation.) | |
| 111 | |
| 112 input data: | |
| 113 word: input word | |
| 114 word_size: byte length of the input word | |
| 115 | |
| 116 hyphens: allocated character buffer (size = word_size + 5) | |
| 117 hyphenated_word: allocated character buffer (size ~ word_size * 2) or NULL | |
| 118 rep, pos, cut: pointers (point to the allocated and _zeroed_ buffers | |
| 119 (size=word_size) or with NULL value) or NULL | |
| 120 | |
| 121 output data: | |
| 122 hyphens: hyphenation vector (hyphenation points signed with odd numbers) | |
| 123 hyphenated_word: hyphenated input word (hyphens signed with `='), | |
| 124 optional (NULL input) | |
| 125 rep: NULL (only standard hyph.), or replacements (hyphenation points | |
| 126 signed with `=' in replacements); | |
| 127 pos: NULL, or difference of the actual position and the beginning | |
| 128 positions of the change in input words; | |
| 129 cut: NULL, or counts of the removed characters of the original words | |
| 130 at hyphenation, | |
| 131 | |
| 132 Note: rep, pos, cut are complementary arrays to the hyphens, indexed with the | |
| 133 character positions of the input word. | |
| 134 | |
| 135 For example: | |
| 136 Schiffahrt -> Schiff=fahrt, | |
| 137 pattern: f1f/ff=f,1,2 | |
| 138 output: rep[5]="ff=f", pos[5] = 1, cut[5] = 2 | |
| 139 | |
| 140 Note: hnj_hyphen_hyphenate2() can allocate rep, pos, cut (word_size | |
| 141 length arrays): | |
| 142 | |
| 143 char ** rep = NULL; | |
| 144 int * pos = NULL; | |
| 145 int * cut = NULL; | |
| 146 char hyphens[MAXWORDLEN]; | |
| 147 hnj_hyphen_hyphenate2(dict, "example", 7, hyphens, NULL, &rep, &pos, &cut); | |
| 148 | |
| 149 See example in the source distribution. | |
| 150 | |
| 151 */ | |
| 152 | |
| 153 int hnj_hyphen_hyphenate2 (HyphenDict *dict, | |
| 154 const char *word, int word_size, char * hyphens, | |
| 155 char *hyphenated_word, char *** rep, int ** pos, int ** cut); | |
| 156 | |
| 157 /* like hnj_hyphen_hyphenate2, but with hyphenmin parameters */ | |
| 158 /* lhmin: lefthyphenmin | |
| 159 * rhmin: righthyphenmin | |
| 160 * clhmin: compoundlefthyphemin | |
| 161 * crhmin: compoundrighthyphenmin | |
| 162 * (see documentation) */ | |
| 163 | |
| 164 int hnj_hyphen_hyphenate3 (HyphenDict *dict, | |
| 165 const char *word, int word_size, char * hyphens, | |
| 166 char *hyphword, char *** rep, int ** pos, int ** cut, | |
| 167 int lhmin, int rhmin, int clhmin, int crhmin); | |
| 168 | |
| 169 #ifdef __cplusplus | |
| 170 } | |
| 171 #endif /* __cplusplus */ | |
| 172 | |
| 173 #endif /* __HYPHEN_H__ */ | |
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