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Diffstat (limited to 'extensions/spellcheck/hunspell/src/csutil.hxx')
| -rw-r--r-- | extensions/spellcheck/hunspell/src/csutil.hxx | 323 |
1 files changed, 323 insertions, 0 deletions
diff --git a/extensions/spellcheck/hunspell/src/csutil.hxx b/extensions/spellcheck/hunspell/src/csutil.hxx new file mode 100644 index 0000000000..96f15c1469 --- /dev/null +++ b/extensions/spellcheck/hunspell/src/csutil.hxx @@ -0,0 +1,323 @@ +/* ***** BEGIN LICENSE BLOCK ***** + * Version: MPL 1.1/GPL 2.0/LGPL 2.1 + * + * Copyright (C) 2002-2022 Németh László + * + * The contents of this file are subject to the Mozilla Public License Version + * 1.1 (the "License"); you may not use this file except in compliance with + * the License. You may obtain a copy of the License at + * http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS IS" basis, + * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License + * for the specific language governing rights and limitations under the + * License. + * + * Hunspell is based on MySpell which is Copyright (C) 2002 Kevin Hendricks. + * + * Contributor(s): David Einstein, Davide Prina, Giuseppe Modugno, + * Gianluca Turconi, Simon Brouwer, Noll János, Bíró Árpád, + * Goldman Eleonóra, Sarlós Tamás, Bencsáth Boldizsár, Halácsy Péter, + * Dvornik László, Gefferth András, Nagy Viktor, Varga Dániel, Chris Halls, + * Rene Engelhard, Bram Moolenaar, Dafydd Jones, Harri Pitkänen + * + * Alternatively, the contents of this file may be used under the terms of + * either the GNU General Public License Version 2 or later (the "GPL"), or + * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), + * in which case the provisions of the GPL or the LGPL are applicable instead + * of those above. If you wish to allow use of your version of this file only + * under the terms of either the GPL or the LGPL, and not to allow others to + * use your version of this file under the terms of the MPL, indicate your + * decision by deleting the provisions above and replace them with the notice + * and other provisions required by the GPL or the LGPL. If you do not delete + * the provisions above, a recipient may use your version of this file under + * the terms of any one of the MPL, the GPL or the LGPL. + * + * ***** END LICENSE BLOCK ***** */ +/* + * Copyright 2002 Kevin B. Hendricks, Stratford, Ontario, Canada + * And Contributors. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * 2. 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. + * + * 3. All modifications to the source code must be clearly marked as + * such. Binary redistributions based on modified source code + * must be clearly marked as modified versions in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY KEVIN B. HENDRICKS 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 + * KEVIN B. HENDRICKS OR 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. + */ + +#ifndef CSUTIL_HXX_ +#define CSUTIL_HXX_ + +#include "hunvisapi.h" + +// First some base level utility routines + +#include <fstream> +#include <string> +#include <vector> +#include <string.h> +#include "w_char.hxx" +#include "htypes.hxx" + +// casing +#define NOCAP 0 +#define INITCAP 1 +#define ALLCAP 2 +#define HUHCAP 3 +#define HUHINITCAP 4 + +// default encoding and keystring +#define SPELL_ENCODING "ISO8859-1" +#define SPELL_KEYSTRING "qwertyuiop|asdfghjkl|zxcvbnm" + +// default morphological fields +#define MORPH_STEM "st:" +#define MORPH_ALLOMORPH "al:" +#define MORPH_POS "po:" +#define MORPH_DERI_PFX "dp:" +#define MORPH_INFL_PFX "ip:" +#define MORPH_TERM_PFX "tp:" +#define MORPH_DERI_SFX "ds:" +#define MORPH_INFL_SFX "is:" +#define MORPH_TERM_SFX "ts:" +#define MORPH_SURF_PFX "sp:" +#define MORPH_FREQ "fr:" +#define MORPH_PHON "ph:" +#define MORPH_HYPH "hy:" +#define MORPH_PART "pa:" +#define MORPH_FLAG "fl:" +#define MORPH_HENTRY "_H:" +#define MORPH_TAG_LEN strlen(MORPH_STEM) + +#define MSEP_FLD ' ' +#define MSEP_REC '\n' +#define MSEP_ALT '\v' + +// default flags +#define DEFAULTFLAGS 65510 +#define FORBIDDENWORD 65510 +#define ONLYUPCASEFLAG 65511 + +// fix long pathname problem of WIN32 by using w_char std::fstream::open override +LIBHUNSPELL_DLL_EXPORTED void myopen(std::ifstream& stream, const char* path, + std::ios_base::openmode mode); + +// convert UTF-16 characters to UTF-8 +LIBHUNSPELL_DLL_EXPORTED std::string& u16_u8(std::string& dest, + const std::vector<w_char>& src); + +// convert UTF-8 characters to UTF-16 +LIBHUNSPELL_DLL_EXPORTED int u8_u16(std::vector<w_char>& dest, + const std::string& src); + +// remove end of line char(s) +LIBHUNSPELL_DLL_EXPORTED void mychomp(std::string& s); + +// duplicate string +LIBHUNSPELL_DLL_EXPORTED char* mystrdup(const char* s); + +// parse into tokens with char delimiter +LIBHUNSPELL_DLL_EXPORTED std::string::const_iterator mystrsep(const std::string &str, + std::string::const_iterator& start); + +// replace pat by rep in word and return word +LIBHUNSPELL_DLL_EXPORTED std::string& mystrrep(std::string& str, + const std::string& search, + const std::string& replace); + +// append s to ends of every lines in text +LIBHUNSPELL_DLL_EXPORTED std::string& strlinecat(std::string& str, + const std::string& apd); + +// tokenize into lines with new line +LIBHUNSPELL_DLL_EXPORTED std::vector<std::string> line_tok(const std::string& text, + char breakchar); + +// tokenize into lines with new line and uniq in place +LIBHUNSPELL_DLL_EXPORTED void line_uniq(std::string& text, char breakchar); + +LIBHUNSPELL_DLL_EXPORTED void line_uniq_app(std::string& text, char breakchar); + +// reverse word +LIBHUNSPELL_DLL_EXPORTED size_t reverseword(std::string& word); + +// reverse word +LIBHUNSPELL_DLL_EXPORTED size_t reverseword_utf(std::string&); + +// remove duplicates +LIBHUNSPELL_DLL_EXPORTED void uniqlist(std::vector<std::string>& list); + +// character encoding information +struct cs_info { + unsigned char ccase; + unsigned char clower; + unsigned char cupper; +}; + +LIBHUNSPELL_DLL_EXPORTED void initialize_utf_tbl(); +LIBHUNSPELL_DLL_EXPORTED void free_utf_tbl(); +LIBHUNSPELL_DLL_EXPORTED unsigned short unicodetoupper(unsigned short c, + int langnum); +LIBHUNSPELL_DLL_EXPORTED w_char upper_utf(w_char u, int langnum); +LIBHUNSPELL_DLL_EXPORTED w_char lower_utf(w_char u, int langnum); +LIBHUNSPELL_DLL_EXPORTED unsigned short unicodetolower(unsigned short c, + int langnum); +LIBHUNSPELL_DLL_EXPORTED int unicodeisalpha(unsigned short c); + +LIBHUNSPELL_DLL_EXPORTED struct cs_info* get_current_cs(const std::string& es); + +// get language identifiers of language codes +LIBHUNSPELL_DLL_EXPORTED int get_lang_num(const std::string& lang); + +// get characters of the given 8bit encoding with lower- and uppercase forms +LIBHUNSPELL_DLL_EXPORTED std::string get_casechars(const char* enc); + +// convert std::string to all caps +LIBHUNSPELL_DLL_EXPORTED std::string& mkallcap(std::string& s, + const struct cs_info* csconv); + +// convert null terminated string to all little +LIBHUNSPELL_DLL_EXPORTED std::string& mkallsmall(std::string& s, + const struct cs_info* csconv); + +// convert first letter of string to little +LIBHUNSPELL_DLL_EXPORTED std::string& mkinitsmall(std::string& s, + const struct cs_info* csconv); + +// convert first letter of string to capital +LIBHUNSPELL_DLL_EXPORTED std::string& mkinitcap(std::string& s, + const struct cs_info* csconv); + +// convert first letter of UTF-8 string to capital +LIBHUNSPELL_DLL_EXPORTED std::vector<w_char>& +mkinitcap_utf(std::vector<w_char>& u, int langnum); + +// convert UTF-8 string to little +LIBHUNSPELL_DLL_EXPORTED std::vector<w_char>& +mkallsmall_utf(std::vector<w_char>& u, int langnum); + +// convert first letter of UTF-8 string to little +LIBHUNSPELL_DLL_EXPORTED std::vector<w_char>& +mkinitsmall_utf(std::vector<w_char>& u, int langnum); + +// convert UTF-8 string to capital +LIBHUNSPELL_DLL_EXPORTED std::vector<w_char>& +mkallcap_utf(std::vector<w_char>& u, int langnum); + +// get type of capitalization +LIBHUNSPELL_DLL_EXPORTED int get_captype(const std::string& q, cs_info*); + +// get type of capitalization (UTF-8) +LIBHUNSPELL_DLL_EXPORTED int get_captype_utf8(const std::vector<w_char>& q, int langnum); + +// strip all ignored characters in the string +LIBHUNSPELL_DLL_EXPORTED size_t remove_ignored_chars_utf( + std::string& word, + const std::vector<w_char>& ignored_chars); + +// strip all ignored characters in the string +LIBHUNSPELL_DLL_EXPORTED size_t remove_ignored_chars( + std::string& word, + const std::string& ignored_chars); + +LIBHUNSPELL_DLL_EXPORTED bool parse_string(const std::string& line, + std::string& out, + int ln); + +LIBHUNSPELL_DLL_EXPORTED bool parse_array(const std::string& line, + std::string& out, + std::vector<w_char>& out_utf16, + int utf8, + int ln); + +LIBHUNSPELL_DLL_EXPORTED int fieldlen(const char* r); + +LIBHUNSPELL_DLL_EXPORTED bool copy_field(std::string& dest, + const std::string& morph, + const std::string& var); + +// conversion function for protected memory +LIBHUNSPELL_DLL_EXPORTED void store_pointer(char* dest, char* source); + +// conversion function for protected memory +LIBHUNSPELL_DLL_EXPORTED char* get_stored_pointer(const char* s); + + +// to avoid unnecessary string copies and Unicode conversions +// we simply check the ignored_chars characters in the word +// (in the case of UTF-8 encoded strings, "false" means +// "likely false", if ignored_chars characters are not ASCII) +inline bool has_no_ignored_chars(const std::string& word, + const std::string& ignored_chars) { + for (std::string::const_iterator it = ignored_chars.begin(), end = ignored_chars.end(); it != end; ++it) + if (word.find(*it) != std::string::npos) + return false; + return true; +} + +// hash entry macros +inline char* HENTRY_DATA(struct hentry* h) { + char* ret; + if (!(h->var & H_OPT)) + ret = NULL; + else if (h->var & H_OPT_ALIASM) + ret = get_stored_pointer(HENTRY_WORD(h) + h->blen + 1); + else + ret = HENTRY_WORD(h) + h->blen + 1; + return ret; +} + +inline const char* HENTRY_DATA( + const struct hentry* h) { + const char* ret; + if (!(h->var & H_OPT)) + ret = NULL; + else if (h->var & H_OPT_ALIASM) + ret = get_stored_pointer(HENTRY_WORD(h) + h->blen + 1); + else + ret = HENTRY_WORD(h) + h->blen + 1; + return ret; +} + +// NULL-free version for warning-free OOo build +inline const char* HENTRY_DATA2( + const struct hentry* h) { + const char* ret; + if (!(h->var & H_OPT)) + ret = ""; + else if (h->var & H_OPT_ALIASM) + ret = get_stored_pointer(HENTRY_WORD(h) + h->blen + 1); + else + ret = HENTRY_WORD(h) + h->blen + 1; + return ret; +} + +inline char* HENTRY_FIND(struct hentry* h, + const char* p) { + return (HENTRY_DATA(h) ? strstr(HENTRY_DATA(h), p) : NULL); +} + +#endif |