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 "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
  28 namespace lyx {
  29
  30 using std::endl;
  31 using std::string;
  32
  33
  34 PSpell::PSpell(BufferParams const &, string const & lang)
  35         : els(0), spell_error_object(0)
  36 {
  37         addManager(lang);
  38         LYXERR(Debug::GUI) << "created pspell" << endl;
  39 }
  40
  41
  42 PSpell::~PSpell()
  43 {
  44         LYXERR(Debug::GUI) << "killed pspell" << endl;
  45
  46         if (spell_error_object) {
  47                 delete_pspell_can_have_error(spell_error_object);
  48                 spell_error_object = 0;
  49         }
  50
  51         if (els)
  52                 delete_pspell_string_emulation(els);
  53
  54         Managers::iterator it = managers_.begin();
  55         Managers::iterator end = managers_.end();
  56
  57         for (; it != end; ++it) {
  58                 pspell_manager_save_all_word_lists(it->second.manager);
  59                 delete_pspell_manager(it->second.manager);
  60                 delete_pspell_config(it->second.config);
  61         }
  62 }
  63
  64
  65 void PSpell::addManager(string const & lang)
  66 {
  67         PspellConfig * config = new_pspell_config();
  68         pspell_config_replace(config, "language-tag", lang.c_str());
  69         pspell_config_replace(config, "encoding", "utf-8");
  70         PspellCanHaveError * err = new_pspell_manager(config);
  71         if (spell_error_object)
  72                 delete_pspell_can_have_error(spell_error_object);
  73         spell_error_object = 0;
  74
  75         if (pspell_error_number(err) == 0) {
  76                 Manager m;
  77                 m.manager = to_pspell_manager(err);
  78                 m.config = config;
  79                 managers_[lang] = m;
  80         } else {
  81                 spell_error_object = err;
  82         }
  83 }
  84
  85
  86 enum PSpell::Result PSpell::check(WordLangTuple const & word)
  87 {
  88         Result res = UNKNOWN_WORD;
  89
  90         Managers::iterator it = managers_.find(word.lang_code());
  91         if (it == managers_.end()) {
  92                 addManager(word.lang_code());
  93                 it = managers_.find(word.lang_code());
  94                 // FIXME
  95                 if (it == managers_.end())
  96                         return res;
  97         }
  98
  99         PspellManager * m = it->second.manager;
 100
 101         int word_ok = pspell_manager_check(m, to_utf8(word.word()).c_str());
 102         BOOST_ASSERT(word_ok != -1);
 103
 104         if (word_ok) {
 105                 res = OK;
 106         } else {
 107                 PspellWordList const * sugs =
 108                         pspell_manager_suggest(m, to_utf8(word.word()).c_str());
 109                 BOOST_ASSERT(sugs != 0);
 110                 els = pspell_word_list_elements(sugs);
 111                 if (pspell_word_list_empty(sugs))
 112                         res = UNKNOWN_WORD;
 113                 else
 114                         res = SUGGESTED_WORDS;
 115         }
 116         return res;
 117 }
 118
 119
 120 void PSpell::insert(WordLangTuple const & word)
 121 {
 122         Managers::iterator it = managers_.find(word.lang_code());
 123         if (it != managers_.end())
 124                 pspell_manager_add_to_personal(it->second.manager, to_utf8(word.word()).c_str());
 125 }
 126
 127
 128 void PSpell::accept(WordLangTuple const & word)
 129 {
 130         Managers::iterator it = managers_.find(word.lang_code());
 131         if (it != managers_.end())
 132                 pspell_manager_add_to_session(it->second.manager, to_utf8(word.word()).c_str());
 133 }
 134
 135
 136 docstring const PSpell::nextMiss()
 137 {
 138         char const * str = 0;
 139
 140         if (els)
 141                 str = pspell_string_emulation_next(els);
 142         if (str)
 143                 return from_utf8(str);
 144         return docstring();
 145 }
 146
 147
 148 docstring const PSpell::error()
 149 {
 150         char const * err = 0;
 151
 152         if (spell_error_object && pspell_error_number(spell_error_object) != 0) {
 153                 err = pspell_error_message(spell_error_object);
 154         }
 155
 156         if (err)
 157                 return from_utf8(err);
 158         return docstring();
 159 }
 160
 161
 162 } // namespace lyx