CMake/Source/cmPropertyMap.cxx

164 lines
3.9 KiB
C++

/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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.
=========================================================================*/
#include "cmPropertyMap.h"
#include "cmSystemTools.h"
#include "cmake.h"
// define STRICT to get checking of all set and get property calls
//#define CMAKE_STRICT
cmProperty *cmPropertyMap::GetOrCreateProperty(const char *name)
{
cmPropertyMap::iterator it = this->find(name);
cmProperty *prop;
if (it == this->end())
{
prop = &(*this)[name];
}
else
{
prop = &(it->second);
}
return prop;
}
void cmPropertyMap::SetProperty(const char *name, const char *value,
cmProperty::ScopeType scope)
{
if (!name)
{
return;
}
if(!value)
{
this->erase(name);
return;
}
#ifdef CMAKE_STRICT
if (!this->CMakeInstance)
{
cmSystemTools::Error("CMakeInstance not set on a property map!");
abort();
}
else if (!this->CMakeInstance->IsPropertyDefined(name,scope))
{
// is a property being queried without being defined first? If so then
// report it as we probably need to document it
std::string msg = "Property ";
msg += name;
msg += " set yet undefined on ";
switch (scope)
{
case cmProperty::TARGET:
msg += "target.";
break;
case cmProperty::SOURCE_FILE:
msg += "source file.";
break;
case cmProperty::DIRECTORY:
msg += "directory.";
break;
case cmProperty::TEST:
msg += "test.";
break;
case cmProperty::VARIABLE:
msg += "variable.";
break;
case cmProperty::CACHED_VARIABLE:
msg += "cached variable.";
break;
default:
msg += "unknown.";
break;
}
cmSystemTools::Error(msg.c_str());
}
#else
(void)scope;
#endif
cmProperty *prop = this->GetOrCreateProperty(name);
prop->Set(name,value);
}
const char *cmPropertyMap
::GetPropertyValue(const char *name,
cmProperty::ScopeType scope,
bool &chain) const
{
chain = false;
if (!name)
{
return 0;
}
// has the property been defined?
#ifdef CMAKE_STRICT
if (!this->CMakeInstance)
{
cmSystemTools::Error("CMakeInstance not set on a property map!");
abort();
}
else if (!this->CMakeInstance->IsPropertyDefined(name,scope))
{
// is a property being queried without being defined first? If so then
// report it as we probably need to document it
std::string msg = "Property ";
msg += name;
msg += " queried yet undefined on ";
switch (scope)
{
case cmProperty::TARGET:
msg += "target.";
break;
case cmProperty::SOURCE_FILE:
msg += "source file.";
break;
case cmProperty::DIRECTORY:
msg += "directory.";
break;
case cmProperty::TEST:
msg += "test.";
break;
case cmProperty::VARIABLE:
msg += "variable.";
break;
case cmProperty::CACHED_VARIABLE:
msg += "cached variable.";
break;
default:
msg += "unknown.";
break;
}
cmSystemTools::Error(msg.c_str());
}
#endif
cmPropertyMap::const_iterator it = this->find(name);
if (it == this->end())
{
// should we chain up?
if (this->CMakeInstance)
{
chain = this->CMakeInstance->IsPropertyChained(name,scope);
}
return 0;
}
return it->second.GetValue();
}