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      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #include "../include/sync.h"
     18 #include <assert.h>
     19 #include <string.h>
     20 
     21 #ifdef ___SYNC_ENABLED___
     22 
     23 namespace ime_pinyin {
     24 
     25 Sync::Sync()
     26   : userdict_(NULL),
     27     dictfile_(NULL),
     28     last_count_(0) {
     29 };
     30 
     31 Sync::~Sync() {
     32 }
     33 
     34 
     35 bool Sync::begin(const char * filename) {
     36   if (userdict_) {
     37     finish();
     38   }
     39 
     40   if (!filename) {
     41     return false;
     42   }
     43 
     44   dictfile_ = strdup(filename);
     45   if (!dictfile_) {
     46     return false;
     47   }
     48 
     49   userdict_ = new UserDict();
     50   if (!userdict_) {
     51     free(dictfile_);
     52     dictfile_ = NULL;
     53     return false;
     54   }
     55 
     56   if (userdict_->load_dict((const char*)dictfile_, kUserDictIdStart,
     57                            kUserDictIdEnd) == false) {
     58     delete userdict_;
     59     userdict_ = NULL;
     60     free(dictfile_);
     61     dictfile_ = NULL;
     62     return false;
     63   }
     64 
     65   userdict_->set_limit(kUserDictMaxLemmaCount, kUserDictMaxLemmaSize, kUserDictRatio);
     66 
     67   return true;
     68 }
     69 
     70 int Sync::put_lemmas(char16 * lemmas, int len) {
     71   return userdict_->put_lemmas_no_sync_from_utf16le_string(lemmas, len);
     72 }
     73 
     74 int Sync::get_lemmas(char16 * str, int size) {
     75   return userdict_->get_sync_lemmas_in_utf16le_string_from_beginning(str, size, &last_count_);
     76 }
     77 
     78 int Sync::get_last_got_count() {
     79   return last_count_;
     80 }
     81 
     82 int Sync::get_total_count() {
     83   return userdict_->get_sync_count();
     84 }
     85 
     86 void Sync::clear_last_got() {
     87   if (last_count_ < 0) {
     88     return;
     89   }
     90   userdict_->clear_sync_lemmas(0, last_count_);
     91   last_count_ = 0;
     92 }
     93 
     94 void Sync::finish() {
     95   if (userdict_) {
     96     userdict_->close_dict();
     97     delete userdict_;
     98     userdict_ = NULL;
     99     free(dictfile_);
    100     dictfile_ = NULL;
    101     last_count_ = 0;
    102   }
    103 }
    104 
    105 int Sync::get_capacity() {
    106   UserDict::UserDictStat stat;
    107   userdict_->state(&stat);
    108   return stat.limit_lemma_count - stat.lemma_count;
    109 }
    110 
    111 }
    112 #endif
    113