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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2000 National Library of Medicine
All rights reserved.
See COPYRIGHT.txt for copyright details.
=========================================================================*/
#ifndef cmCacheManager_h
#define cmCacheManager_h
#include "cmStandardIncludes.h"
class cmMakefile;
/** \class cmCacheManager
* \brief Control class for cmake's cache
*
* Load and Save CMake cache files.
*
*/
class cmCacheManager
{
public:
enum CacheEntryType{ BOOL=0, PATH, FILEPATH, STRING, INTERNAL };
class CacheEntry
{
public:
std::string m_Value;
CacheEntryType m_Type;
};
public:
typedef std::map<std::string, CacheEntry> CacheEntryMap;
/**
* Types for the cache entries. These are useful as
* hints for a cache editor program. Path should bring
* up a file chooser, BOOL a check box, and STRING a
* text entry box, FILEPATH is a full path to a file which
* can be different than just a path input
*/
static CacheEntryType StringToType(const char*);
//! Singleton pattern get instance of the cmCacheManager.
static cmCacheManager* GetInstance();
//! Load a cache for given makefile. Loads from ouput home.
bool LoadCache(cmMakefile*);
//! Save cache for given makefile. Saves to ouput home CMakeCache.txt
bool SaveCache(cmMakefile*) const;
//! Add an entry into the cache
void AddCacheEntry(const char* key, const char* value, CacheEntryType type);
//! Add a BOOL entry into the cache
void AddCacheEntry(const char* key, bool);
//! Remove an entry from the cache
void RemoveCacheEntry(const char* key);
//! Print the cache to a stream
CacheEntry *GetCacheEntry(const char *key);
//! Get a value from the cache given a key
const char* GetCacheValue(const char* key) const;
//! Test a boolean cache entry to see if it is true or false, returns false
// if no entry.
bool IsOn(const char*) const;
//! Print the cache to a stream
void PrintCache(std::ostream&) const;
//! Get the cache map ivar.
const CacheEntryMap &GetCacheMap() const { return m_Cache; }
private:
static cmCacheManager* s_Instance;
CacheEntryMap m_Cache;
};
#endif
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