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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.
=========================================================================*/
#include "cmCacheManager.h"
#include "cmSystemTools.h"
#include "cmCacheManager.h"
#include "cmMakefile.h"
const char* cmCacheManagerTypes[] =
{ "BOOL",
"PATH",
"FILEPATH",
"STRING",
0
};
cmCacheManager::CacheEntryType cmCacheManager::StringToType(const char* s)
{
int i = 0;
while(cmCacheManagerTypes[i])
{
if(strcmp(s, cmCacheManagerTypes[i]) == 0)
{
return static_cast<CacheEntryType>(i);
}
++i;
}
return STRING;
}
cmCacheManager* cmCacheManager::s_Instance = 0;
cmCacheManager* cmCacheManager::GetInstance()
{
if(!cmCacheManager::s_Instance)
{
cmCacheManager::s_Instance = new cmCacheManager;
}
return cmCacheManager::s_Instance;
}
bool cmCacheManager::LoadCache(cmMakefile* mf)
{
std::string cacheFile = mf->GetHomeOutputDirectory();
cacheFile += "/CMakeCache.txt";
// clear the old cache
m_Cache.clear();
std::ifstream fin(cacheFile.c_str());
if(!fin)
{
return false;
}
const int bsize = 4096;
char buffer[bsize];
std::string inputLine;
while(fin)
{
// Format is key:type=value
CacheEntry e;
std::string key;
fin.getline(buffer, bsize, ':');
key = buffer;
fin.getline(buffer, bsize, '=');
e.m_Type = cmCacheManager::StringToType(buffer);
fin.getline(buffer, bsize); // last token is separated by a newline
e.m_Value = buffer;
if(fin)
{
m_Cache[key] = e;
}
}
return true;
}
bool cmCacheManager::SaveCache(cmMakefile* mf)
{
std::string cacheFile = mf->GetHomeOutputDirectory();
cacheFile += "/CMakeCache.txt";
std::ofstream fout(cacheFile.c_str());
if(!fout)
{
cmSystemTools::Error("Unable to open cache file for save. ",
cacheFile.c_str());
return false;
}
for( std::map<std::string, CacheEntry>::iterator i = m_Cache.begin();
i != m_Cache.end(); ++i)
{
CacheEntryType t = (*i).second.m_Type;
// Format is key:type=value
fout << (*i).first.c_str() << ":"
<< cmCacheManagerTypes[t] << "="
<< (*i).second.m_Value << "\n";
}
fout << "\n";
return true;
}
void cmCacheManager::AddCacheEntry(const char* key,
const char* value,
CacheEntryType type)
{
CacheEntry e;
e.m_Value = value;
e.m_Type = type;
m_Cache[key] = e;
}
const char* cmCacheManager::GetCacheValue(const char* key)
{
if(m_Cache.count(key))
{
return m_Cache[key].m_Value.c_str();
}
return 0;
}
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