// Copyright 2010-2012, Google Inc.
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// notice, this list of conditions and the following disclaimer.
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#include "converter/connector.h"

#include "base/thread.h"

namespace mozc {
namespace {

// ConverterFactory
ConnectorInterface *g_connector = NULL;

#ifdef MOZC_USE_SEPARATE_CONNECTION_DATA
const char *kConnectionData_data = NULL;
const size_t kConnectionData_size = 0;
#else
#include "converter/embedded_connection_data.h"
#endif  // MOZC_USE_SEPARATE_CONNECTION_DATA

const int kCacheSize = 1024;

char* g_connection_data_address = const_cast<char*>(kConnectionData_data);
int g_connection_data_size = kConnectionData_size;

// Use Thread Local Storage for Cache of the Connector.
TLS_KEYWORD bool g_cache_initialized = false;
TLS_KEYWORD int  g_cache_key[kCacheSize];
TLS_KEYWORD int  g_cache_value[kCacheSize];

}  // namespace

Connector::Connector() : ConnectorBase(g_connection_data_address,
                                       g_connection_data_size,
                                       &g_cache_initialized,
                                       g_cache_key,
                                       g_cache_value,
                                       kCacheSize) {}

void ConnectorFactory::SetConnector(ConnectorInterface *connector) {
  g_connector = connector;
}

ConnectorInterface *ConnectorFactory::GetConnector() {
  if (g_connector == NULL) {
    if (!g_connection_data_address || !g_connection_data_size) {
      LOG(FATAL) << "Connector data address/size is/are not set yet.";
      CHECK(false);
    }
    return Singleton<Connector>::get();
  } else {
    return g_connector;
  }
}

void ConnectorFactory::SetConnectionData(void *address, size_t size) {
  g_connection_data_address = reinterpret_cast<char*>(address);
  g_connection_data_size = size;
}

}  // namespace mozc