1 files changed, 81 insertions, 0 deletions
diff --git a/src/plugins/pinyin/3rdparty/pinyin/share/lpicache.cpp b/src/plugins/pinyin/3rdparty/pinyin/share/lpicache.cpp
new file mode 100644
index 00000000..4bb4ca26
--- /dev/null
+++ b/src/plugins/pinyin/3rdparty/pinyin/share/lpicache.cpp
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <assert.h>
+#include "../include/lpicache.h"
+
+namespace ime_pinyin {
+
+LpiCache* LpiCache::instance_ = NULL;
+
+LpiCache::LpiCache() {
+  lpi_cache_ = new LmaPsbItem[kFullSplIdStart * kMaxLpiCachePerId];
+  lpi_cache_len_ = new uint16[kFullSplIdStart];
+  assert(NULL != lpi_cache_);
+  assert(NULL != lpi_cache_len_);
+  for (uint16 id = 0; id < kFullSplIdStart; id++)
+    lpi_cache_len_[id] = 0;
+}
+
+LpiCache::~LpiCache() {
+  if (NULL != lpi_cache_)
+    delete [] lpi_cache_;
+
+  if (NULL != lpi_cache_len_)
+    delete [] lpi_cache_len_;
+}
+
+LpiCache& LpiCache::get_instance() {
+  if (NULL == instance_) {
+    instance_ = new LpiCache();
+    assert(NULL != instance_);
+  }
+  return *instance_;
+}
+
+bool LpiCache::is_cached(uint16 splid) {
+  if (splid >= kFullSplIdStart)
+    return false;
+  return lpi_cache_len_[splid] != 0;
+}
+
+size_t LpiCache::put_cache(uint16 splid, LmaPsbItem lpi_items[],
+                           size_t lpi_num) {
+  uint16 num = kMaxLpiCachePerId;
+  if (num > lpi_num)
+    num = static_cast<uint16>(lpi_num);
+
+  LmaPsbItem *lpi_cache_this = lpi_cache_ + splid * kMaxLpiCachePerId;
+  for (uint16 pos = 0; pos < num; pos++)
+    lpi_cache_this[pos] = lpi_items[pos];
+
+  lpi_cache_len_[splid] = num;
+  return num;
+}
+
+size_t LpiCache::get_cache(uint16 splid, LmaPsbItem lpi_items[],
+                           size_t lpi_max) {
+  if (lpi_max > lpi_cache_len_[splid])
+    lpi_max = lpi_cache_len_[splid];
+
+  LmaPsbItem *lpi_cache_this = lpi_cache_ + splid * kMaxLpiCachePerId;
+  for (uint16 pos = 0; pos < lpi_max; pos++) {
+    lpi_items[pos] = lpi_cache_this[pos];
+  }
+  return lpi_max;
+}
+
+}  // namespace ime_pinyin