Add API for cache loading, deleting and saving to the cmake class.

Migrate existing users of the CacheManager API to use the new
API.  The CacheManager will be going away soon.

Source/CTest/cmCTestBuildAndTestHandler.cxx

@@ -18,7 +18,6 @@
 #include "cmGlobalGenerator.h"
 #include <cmsys/Process.h>
 #include "cmCTestTestHandler.h"
-#include "cmCacheManager.h"
 
 //----------------------------------------------------------------------
 cmCTestBuildAndTestHandler::cmCTestBuildAndTestHandler()
@@ -255,7 +254,7 @@ int cmCTestBuildAndTestHandler::RunCMakeAndTest(std::string* outstring)
     cm.SetGeneratorToolset(this->BuildGeneratorToolset);
 
     // Load the cache to make CMAKE_MAKE_PROGRAM available.
-    cm.GetCacheManager()->LoadCache(this->BinaryDir);
+    cm.LoadCache(this->BinaryDir);
     }
   else
     {

Source/CursesDialog/cmCursesMainForm.cxx

@@ -639,7 +639,7 @@ int cmCursesMainForm::Configure(int noconfigure)
 
   // always save the current gui values to disk
   this->FillCacheManagerFromUI();
-  this->CMakeInstance->GetCacheManager()->SaveCache(
+  this->CMakeInstance->SaveCache(
     this->CMakeInstance->GetHomeOutputDirectory());
   this->LoadCache(0);
 

Source/QtDialog/QCMake.cxx

@@ -96,7 +96,7 @@ void QCMake::setBinaryDirectory(const QString& _dir)
     emit this->binaryDirChanged(this->BinaryDirectory);
     cmCacheManager *cachem = this->CMakeInstance->GetCacheManager();
     this->setGenerator(QString());
-    if(!this->CMakeInstance->GetCacheManager()->LoadCache(
+    if(!this->CMakeInstance->LoadCache(
       this->BinaryDirectory.toLocal8Bit().data()))
       {
       QDir testDir(this->BinaryDirectory);
@@ -270,7 +270,7 @@ void QCMake::setProperties(const QCMakePropertyList& newProps)
       }
     }
 
-  cachem->SaveCache(this->BinaryDirectory.toLocal8Bit().data());
+  this->CMakeInstance->SaveCache(this->BinaryDirectory.toLocal8Bit().data());
 }
 
 QCMakePropertyList QCMake::properties() const
@@ -397,9 +397,9 @@ QStringList QCMake::availableGenerators() const
 void QCMake::deleteCache()
 {
   // delete cache
-  this->CMakeInstance->GetCacheManager()->DeleteCache(this->BinaryDirectory.toLocal8Bit().data());
+  this->CMakeInstance->DeleteCache(this->BinaryDirectory.toLocal8Bit().data());
   // reload to make our cache empty
-  this->CMakeInstance->GetCacheManager()->LoadCache(this->BinaryDirectory.toLocal8Bit().data());
+  this->CMakeInstance->LoadCache(this->BinaryDirectory.toLocal8Bit().data());
   // emit no generator and no properties
   this->setGenerator(QString());
   QCMakePropertyList props = this->properties();
@@ -412,7 +412,7 @@ void QCMake::reloadCache()
   QCMakePropertyList props;
   emit this->propertiesChanged(props);
   // reload
-  this->CMakeInstance->GetCacheManager()->LoadCache(this->BinaryDirectory.toLocal8Bit().data());
+  this->CMakeInstance->LoadCache(this->BinaryDirectory.toLocal8Bit().data());
   // emit new cache properties
   props = this->properties();
   emit this->propertiesChanged(props);

Source/cmCTest.cxx

@@ -2281,7 +2281,7 @@ bool cmCTest::AddVariableDefinition(const std::string &arg)
   std::string value;
   cmCacheManager::CacheEntryType type = cmCacheManager::UNINITIALIZED;
 
-  if (cmCacheManager::ParseEntry(arg, name, value, type))
+  if (cmake::ParseCacheEntry(arg, name, value, type))
     {
     this->Definitions[name] = value;
     return true;

Source/cmExtraEclipseCDT4Generator.cxx

@@ -223,7 +223,7 @@ void cmExtraEclipseCDT4Generator::AddEnvVar(cmGeneratedFileStream& fout,
     mf->AddCacheDefinition(cacheEntryName, valueToUse.c_str(),
                            cacheEntryName.c_str(), cmCacheManager::STRING,
                            true);
-    mf->GetCacheManager()->SaveCache(mf->GetHomeOutputDirectory());
+    mf->GetCMakeInstance()->SaveCache(mf->GetHomeOutputDirectory());
     }
   else if (envVarValue==0 && cacheValue!=0)
     {
@@ -244,7 +244,7 @@ void cmExtraEclipseCDT4Generator::AddEnvVar(cmGeneratedFileStream& fout,
       mf->AddCacheDefinition(cacheEntryName, valueToUse.c_str(),
                              cacheEntryName.c_str(), cmCacheManager::STRING,
                              true);
-      mf->GetCacheManager()->SaveCache(mf->GetHomeOutputDirectory());
+      mf->GetCMakeInstance()->SaveCache(mf->GetHomeOutputDirectory());
       }
     }
 

Source/cmGlobalXCodeGenerator.cxx

@@ -3703,7 +3703,7 @@ cmGlobalXCodeGenerator::OutputXCodeProject(cmLocalGenerator* root,
 
   // Since this call may have created new cache entries, save the cache:
   //
-  root->GetMakefile()->GetCacheManager()->SaveCache(
+  root->GetMakefile()->GetCMakeInstance()->SaveCache(
     root->GetMakefile()->GetHomeOutputDirectory());
 }
 

Source/cmLoadCacheCommand.cxx

@@ -81,8 +81,8 @@ bool cmLoadCacheCommand
       {
       break;
       }
-    this->Makefile->GetCacheManager()->LoadCache(args[i], false,
+    this->Makefile->GetCMakeInstance()->LoadCache(args[i], false,
-                                             excludes, includes);
+                                                  excludes, includes);
     }
 
 
@@ -173,7 +173,7 @@ void cmLoadCacheCommand::CheckLine(const char* line)
   std::string var;
   std::string value;
   cmCacheManager::CacheEntryType type = cmCacheManager::UNINITIALIZED;
-  if(cmCacheManager::ParseEntry(line, var, value, type))
+  if(cmake::ParseCacheEntry(line, var, value, type))
     {
     // Found a real entry.  See if this one was requested.
     if(this->VariablesToRead.find(var) != this->VariablesToRead.end())

Source/cmake.cxx

@@ -917,7 +917,7 @@ void cmake::SetDirectoriesFromFile(const char* arg)
     {
     cmCacheManager* cachem = this->GetCacheManager();
     cmCacheManager::CacheIterator it = cachem->NewIterator();
-    if(cachem->LoadCache(cachePath) &&
+    if(this->LoadCache(cachePath) &&
       it.Find("CMAKE_HOME_DIRECTORY"))
       {
       this->SetHomeOutputDirectory(cachePath);
@@ -1860,10 +1860,18 @@ void cmake::AddDefaultGenerators()
 #endif
 }
 
+bool cmake::ParseCacheEntry(const std::string& entry,
+                            std::string& var,
+                            std::string& value,
+                            cmCacheManager::CacheEntryType& type)
+{
+  return cmCacheManager::ParseEntry(entry, var, value, type);
+}
+
 int cmake::LoadCache()
 {
   // could we not read the cache
-  if (!this->CacheManager->LoadCache(this->GetHomeOutputDirectory()))
+  if (!this->LoadCache(this->GetHomeOutputDirectory()))
     {
     // if it does exist, but isn't readable then warn the user
     std::string cacheFile = this->GetHomeOutputDirectory();
@@ -1886,6 +1894,28 @@ int cmake::LoadCache()
   return 0;
 }
 
+bool cmake::LoadCache(const std::string& path)
+{
+  return this->CacheManager->LoadCache(path);
+}
+
+bool cmake::LoadCache(const std::string& path, bool internal,
+                std::set<std::string>& excludes,
+                std::set<std::string>& includes)
+{
+  return this->CacheManager->LoadCache(path, internal, excludes, includes);
+}
+
+bool cmake::SaveCache(const std::string& path)
+{
+  return this->CacheManager->SaveCache(path);
+}
+
+bool cmake::DeleteCache(const std::string& path)
+{
+  return this->CacheManager->DeleteCache(path);
+}
+
 void cmake::SetProgressCallback(ProgressCallbackType f, void *cd)
 {
   this->ProgressCallback = f;
@@ -2764,9 +2794,8 @@ int cmake::Build(const std::string& dir,
     }
   std::string cachePath = dir;
   cmSystemTools::ConvertToUnixSlashes(cachePath);
-  cmCacheManager* cachem = this->GetCacheManager();
+  cmCacheManager::CacheIterator it = this->GetCacheManager()->NewIterator();
-  cmCacheManager::CacheIterator it = cachem->NewIterator();
+  if(!this->LoadCache(cachePath))
-  if(!cachem->LoadCache(cachePath))
     {
     std::cerr << "Error: could not load cache\n";
     return 1;

Source/cmake.h

@@ -18,11 +18,11 @@
 #include "cmPropertyDefinitionMap.h"
 #include "cmPropertyMap.h"
 #include "cmInstalledFile.h"
+#include "cmCacheManager.h"
 
 class cmGlobalGeneratorFactory;
 class cmGlobalGenerator;
 class cmLocalGenerator;
-class cmCacheManager;
 class cmMakefile;
 class cmCommand;
 class cmVariableWatch;
@@ -173,7 +173,19 @@ class cmake
   int Configure();
   int ActualConfigure();
 
+  ///! Break up a line like VAR:type="value" into var, type and value
+  static bool ParseCacheEntry(const std::string& entry,
+                         std::string& var,
+                         std::string& value,
+                         cmCacheManager::CacheEntryType& type);
+
   int LoadCache();
+  bool LoadCache(const std::string& path);
+  bool LoadCache(const std::string& path, bool internal,
+                 std::set<std::string>& excludes,
+                 std::set<std::string>& includes);
+  bool SaveCache(const std::string& path);
+  bool DeleteCache(const std::string& path);
   void PreLoadCMakeFiles();
 
   ///! Create a GlobalGenerator