diff options
Diffstat (limited to '3rdparty/clucene/src/CLucene/util/StringIntern.cpp')
| -rw-r--r-- | 3rdparty/clucene/src/CLucene/util/StringIntern.cpp | 158 |
1 files changed, 158 insertions, 0 deletions
diff --git a/3rdparty/clucene/src/CLucene/util/StringIntern.cpp b/3rdparty/clucene/src/CLucene/util/StringIntern.cpp new file mode 100644 index 000000000..cb7a889d1 --- /dev/null +++ b/3rdparty/clucene/src/CLucene/util/StringIntern.cpp @@ -0,0 +1,158 @@ +/*------------------------------------------------------------------------------ +* Copyright (C) 2003-2006 Ben van Klinken and the CLucene Team +* +* Distributable under the terms of either the Apache License (Version 2.0) or +* the GNU Lesser General Public License, as specified in the COPYING file. +------------------------------------------------------------------------------*/ +#include "CLucene/StdHeader.h" +#include "StringIntern.h" +CL_NS_DEF(util) + + __wcsintrntype::iterator wblank; + bool blanksinitd=false; + __wcsintrntype CLStringIntern::stringPool(true); + __strintrntype CLStringIntern::stringaPool(true); + DEFINE_MUTEX(CLStringIntern::THIS_LOCK) + + void CLStringIntern::shutdown(){ + #ifdef _DEBUG + SCOPED_LOCK_MUTEX(THIS_LOCK) + if ( stringaPool.size() > 0 ){ + printf("ERROR: stringaPool still contains intern'd strings (refcounts):\n"); + __strintrntype::iterator itr = stringaPool.begin(); + while ( itr != stringaPool.end() ){ + printf(" %s (%d)\n",(itr->first), (itr->second)); + ++itr; + } + } + + if ( stringPool.size() > 0 ){ + printf("ERROR: stringPool still contains intern'd strings (refcounts):\n"); + __wcsintrntype::iterator itr = stringPool.begin(); + while ( itr != stringPool.end() ){ + _tprintf(_T(" %s (%d)\n"),(itr->first), (itr->second)); + ++itr; + } + } + #endif + } + + const TCHAR* CLStringIntern::intern(const TCHAR* str CL_FILELINEPARAM){ + if ( str == NULL ) + return NULL; + if ( str[0] == 0 ) + return LUCENE_BLANK_STRING; + + SCOPED_LOCK_MUTEX(THIS_LOCK) + + __wcsintrntype::iterator itr = stringPool.find(str); + if ( itr==stringPool.end() ){ +#ifdef _UCS2 + TCHAR* ret = lucenewcsdup(str CL_FILELINEREF); +#else + TCHAR* ret = lucenestrdup(str CL_FILELINEREF); +#endif + stringPool[ret]= 1; + return ret; + }else{ + (itr->second)++; + return itr->first; + } + } + + bool CLStringIntern::unintern(const TCHAR* str){ + if ( str == NULL ) + return false; + if ( str[0] == 0 ) + return false; + + SCOPED_LOCK_MUTEX(THIS_LOCK) + + __wcsintrntype::iterator itr = stringPool.find(str); + if ( itr != stringPool.end() ){ + if ( (itr->second) == 1 ){ + stringPool.removeitr(itr); + return true; + }else + (itr->second)--; + } + return false; + } + + const char* CLStringIntern::internA(const char* str CL_FILELINEPARAM){ + if ( str == NULL ) + return NULL; + if ( str[0] == 0 ) + return _LUCENE_BLANK_ASTRING; + + SCOPED_LOCK_MUTEX(THIS_LOCK) + + __strintrntype::iterator itr = stringaPool.find(str); + if ( itr==stringaPool.end() ){ + char* ret = lucenestrdup(str CL_FILELINE); + stringaPool[ret] = 1; + return ret; + }else{ + (itr->second)++; + return itr->first; + } + } + + bool CLStringIntern::uninternA(const char* str){ + if ( str == NULL ) + return false; + if ( str[0] == 0 ) + return false; + + SCOPED_LOCK_MUTEX(THIS_LOCK) + + __strintrntype::iterator itr = stringaPool.find(str); + if ( itr!=stringaPool.end() ){ + if ( (itr->second) == 1 ){ + stringaPool.removeitr(itr); + return true; + }else + (itr->second)--; + } + return false; + } + + /* removed because of multi-threading problems... + __wcsintrntype::iterator CLStringIntern::internitr(const TCHAR* str CL_FILELINEPARAM){ + if ( str[0] == 0 ){ + if ( !blanksinitd ){ + CLStringIntern::stringPool.put(LUCENE_BLANK_STRING,1); + wblank=stringPool.find(str); + blanksinitd=true; + } + return wblank; + } + __wcsintrntype::iterator itr = stringPool.find(str); + if (itr==stringPool.end()){ +#ifdef _UCS2 + TCHAR* ret = lucenewcsdup(str CL_FILELINEREF); +#else + TCHAR* ret = lucenestrdup(str CL_FILELINEREF); +#endif + stringPool.put(ret,1); + return stringPool.find(str); + }else{ + (itr->second)++; + return itr; + } + } + bool CLStringIntern::uninternitr(__wcsintrntype::iterator itr){ + if ( itr!=stringPool.end() ){ + if ( itr==wblank ) + return false; + if ( (itr->second) == 1 ){ + stringPool.removeitr(itr); + return true; + }else + (itr->second)--; + } + return false; + } +*/ + +CL_NS_END |