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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Insight Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notices for more information.
=========================================================================*/
#ifndef cmListFileCache_h
#define cmListFileCache_h
#include "cmStandardIncludes.h"
/** \class cmListFileCache
* \brief A class to cache list file contents.
*
* cmListFileCache is a class used to cache the contents of parsed
* cmake list files.
*/
struct cmListFileFunction
{
std::string m_Name;
std::vector<std::string> m_Arguments;
};
struct cmListFile
{
cmListFile()
:m_ModifiedTime(0)
{
}
long int m_ModifiedTime;
std::vector<cmListFileFunction> m_Functions;
};
class cmListFileCache
{
public:
static CM_EXPORT cmListFileCache* GetInstance();
static CM_EXPORT void ClearCache();
/** Return the cached version of the given file.
* If the file is not already in the cache, a cache entry
* will be made. If there is an error loading the file,
* NULL is returned.
*/
cmListFile* GetFileCache(const char* path);
private:
// Cache the file
bool CacheFile(const char* path);
// private data
typedef std::map<cmStdString, cmListFile> ListFileMap;
ListFileMap m_ListFileCache; // file name to ListFile map
static cmListFileCache* Instance; // singelton pointer
};
#endif
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