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| 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "chrome/renderer/spellchecker/hunspell_engine.h" | 5 #include "chrome/renderer/spellchecker/hunspell_engine.h" |
| 6 | 6 |
| 7 #include <algorithm> | 7 #include <algorithm> |
| 8 #include <iterator> | 8 #include <iterator> |
| 9 | 9 |
| 10 #include "base/files/memory_mapped_file.h" | 10 #include "base/files/memory_mapped_file.h" |
| 11 #include "base/time/time.h" | 11 #include "base/time/time.h" |
| 12 #include "chrome/common/spellcheck_common.h" | 12 #include "chrome/common/spellcheck_common.h" |
| 13 #include "chrome/common/spellcheck_messages.h" | 13 #include "chrome/common/spellcheck_messages.h" |
| 14 #include "content/public/renderer/render_thread.h" | 14 #include "content/public/renderer/render_thread.h" |
| 15 #include "third_party/hunspell/src/hunspell/hunspell.hxx" | 15 #include "third_party/hunspell/src/hunspell/hunspell.hxx" |
| 16 | 16 |
| 17 using content::RenderThread; | 17 using content::RenderThread; |
| 18 | 18 |
| 19 namespace { | 19 namespace { |
| 20 // Maximum length of words we actually check. | 20 // Maximum length of words we actually check. |
| 21 // 64 is the observed limits for OSX system checker. | 21 // 64 is the observed limits for OSX system checker. |
| 22 const size_t kMaxCheckedLen = 64; | 22 const size_t kMaxCheckedLen = 64; |
| 23 | 23 |
| 24 // Maximum length of words we provide suggestions for. | 24 // Maximum length of words we provide suggestions for. |
| 25 // 24 is the observed limits for OSX system checker. | 25 // 24 is the observed limits for OSX system checker. |
| 26 const size_t kMaxSuggestLen = 24; | 26 const size_t kMaxSuggestLen = 24; |
| 27 | 27 |
| 28 COMPILE_ASSERT(kMaxCheckedLen <= size_t(MAXWORDLEN), MaxCheckedLen_too_long); | 28 static_assert(kMaxCheckedLen <= size_t(MAXWORDLEN), |
| 29 COMPILE_ASSERT(kMaxSuggestLen <= kMaxCheckedLen, MaxSuggestLen_too_long); | 29 "MaxCheckedLen too long"); |
| 30 static_assert(kMaxSuggestLen <= kMaxCheckedLen, |
| 31 "MaxSuggestLen too long"); |
| 30 } // namespace | 32 } // namespace |
| 31 | 33 |
| 32 #if !defined(OS_MACOSX) | 34 #if !defined(OS_MACOSX) |
| 33 SpellingEngine* CreateNativeSpellingEngine() { | 35 SpellingEngine* CreateNativeSpellingEngine() { |
| 34 return new HunspellEngine(); | 36 return new HunspellEngine(); |
| 35 } | 37 } |
| 36 #endif | 38 #endif |
| 37 | 39 |
| 38 HunspellEngine::HunspellEngine() | 40 HunspellEngine::HunspellEngine() |
| 39 : hunspell_enabled_(false), | 41 : hunspell_enabled_(false), |
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| 127 // Don't initialize if hunspell is disabled. | 129 // Don't initialize if hunspell is disabled. |
| 128 if (file_.IsValid()) | 130 if (file_.IsValid()) |
| 129 InitializeHunspell(); | 131 InitializeHunspell(); |
| 130 | 132 |
| 131 return !initialized_; | 133 return !initialized_; |
| 132 } | 134 } |
| 133 | 135 |
| 134 bool HunspellEngine::IsEnabled() { | 136 bool HunspellEngine::IsEnabled() { |
| 135 return hunspell_enabled_; | 137 return hunspell_enabled_; |
| 136 } | 138 } |
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