src/PSpell.cpp

   1 /**
   2  * \file PSpell.cpp
   3  * This file is part of LyX, the document processor.
   4  * Licence details can be found in the file COPYING.
   5  *
   6  * \author Kevin Atkinson
   7  * \author John Levon
   8  *
   9  * Full author contact details are available in file CREDITS.
  10  */
  11
  12 #include <config.h>
  13
  14 #include "support/debug.h"
  15
  16 #define USE_ORIGINAL_MANAGER_FUNCS 1
  17 // new aspell pspell missing extern "C"
  18 extern "C" {
  19 #include <pspell/PSpell.h>
  20 }
  21
  22 #include "PSpell.h"
  23 #include "WordLangTuple.h"
  24
  25 #include <boost/assert.hpp>
  26
  27 using namespace std;
  28 using namespace lyx::support;
  29
  30 namespace lyx {
  31
  32
  33 PSpell::PSpell(BufferParams const &, string const & lang)
  34         : els(0), spell_error_object(0)
  35 {
  36         addManager(lang);
  37         LYXERR(Debug::GUI, "created pspell");
  38 }
  39
  40
  41 PSpell::~PSpell()
  42 {
  43         LYXERR(Debug::GUI, "killed pspell");
  44
  45         if (spell_error_object) {
  46                 delete_pspell_can_have_error(spell_error_object);
  47                 spell_error_object = 0;
  48         }
  49
  50         if (els)
  51                 delete_pspell_string_emulation(els);
  52
  53         Managers::iterator it = managers_.begin();
  54         Managers::iterator end = managers_.end();
  55
  56         for (; it != end; ++it) {
  57                 pspell_manager_save_all_word_lists(it->second.manager);
  58                 delete_pspell_manager(it->second.manager);
  59                 delete_pspell_config(it->second.config);
  60         }
  61 }
  62
  63
  64 void PSpell::addManager(string const & lang)
  65 {
  66         PspellConfig * config = new_pspell_config();
  67         pspell_config_replace(config, "language-tag", lang.c_str());
  68         pspell_config_replace(config, "encoding", "utf-8");
  69         PspellCanHaveError * err = new_pspell_manager(config);
  70         if (spell_error_object)
  71                 delete_pspell_can_have_error(spell_error_object);
  72         spell_error_object = 0;
  73
  74         if (pspell_error_number(err) == 0) {
  75                 Manager m;
  76                 m.manager = to_pspell_manager(err);
  77                 m.config = config;
  78                 managers_[lang] = m;
  79         } else {
  80                 spell_error_object = err;
  81         }
  82 }
  83
  84
  85 enum PSpell::Result PSpell::check(WordLangTuple const & word)
  86 {
  87         Result res = UNKNOWN_WORD;
  88
  89         Managers::iterator it = managers_.find(word.lang_code());
  90         if (it == managers_.end()) {
  91                 addManager(word.lang_code());
  92                 it = managers_.find(word.lang_code());
  93                 // FIXME
  94                 if (it == managers_.end())
  95                         return res;
  96         }
  97
  98         PspellManager * m = it->second.manager;
  99
 100         int word_ok = pspell_manager_check(m, to_utf8(word.word()).c_str());
 101         BOOST_ASSERT(word_ok != -1);
 102
 103         if (word_ok) {
 104                 res = OK;
 105         } else {
 106                 PspellWordList const * sugs =
 107                         pspell_manager_suggest(m, to_utf8(word.word()).c_str());
 108                 BOOST_ASSERT(sugs != 0);
 109                 els = pspell_word_list_elements(sugs);
 110                 if (pspell_word_list_empty(sugs))
 111                         res = UNKNOWN_WORD;
 112                 else
 113                         res = SUGGESTED_WORDS;
 114         }
 115         return res;
 116 }
 117
 118
 119 void PSpell::insert(WordLangTuple const & word)
 120 {
 121         Managers::iterator it = managers_.find(word.lang_code());
 122         if (it != managers_.end())
 123                 pspell_manager_add_to_personal(it->second.manager, to_utf8(word.word()).c_str());
 124 }
 125
 126
 127 void PSpell::accept(WordLangTuple const & word)
 128 {
 129         Managers::iterator it = managers_.find(word.lang_code());
 130         if (it != managers_.end())
 131                 pspell_manager_add_to_session(it->second.manager, to_utf8(word.word()).c_str());
 132 }
 133
 134
 135 docstring const PSpell::nextMiss()
 136 {
 137         char const * str = 0;
 138
 139         if (els)
 140                 str = pspell_string_emulation_next(els);
 141         if (str)
 142                 return from_utf8(str);
 143         return docstring();
 144 }
 145
 146
 147 docstring const PSpell::error()
 148 {
 149         char const * err = 0;
 150
 151         if (spell_error_object && pspell_error_number(spell_error_object) != 0) {
 152                 err = pspell_error_message(spell_error_object);
 153         }
 154
 155         if (err)
 156                 return from_utf8(err);
 157         return docstring();
 158 }
 159
 160
 161 } // namespace lyx