CMake/Source/cmElseCommand.cxx
2002-01-21 15:30:43 -05:00

122 lines
3.0 KiB
C++

/*=========================================================================
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.
=========================================================================*/
#include "cmElseCommand.h"
#include "cmCacheManager.h"
bool cmElseCommand::InitialPass(std::vector<std::string> const& args)
{
if(args.size() < 1 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
// create a function blocker
cmIfFunctionBlocker *f = NULL;
// check for the different signatures
const char *def;
const char *def2;
if (args.size() == 1)
{
def = m_Makefile->GetDefinition(args[0].c_str());
if(!cmSystemTools::IsOff(def))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 2 && (args[0] == "COMMAND"))
{
if(m_Makefile->CommandExists(args[1].c_str()))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 2 && (args[0] == "EXISTS"))
{
std::string tmp = args[1];
m_Makefile->ExpandVariablesInString(tmp);
if(cmSystemTools::FileExists(tmp.c_str()))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 2 && (args[0] == "NOT"))
{
def = m_Makefile->GetDefinition(args[1].c_str());
if(cmSystemTools::IsOff(def))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "AND"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
def2 = m_Makefile->GetDefinition(args[2].c_str());
if(!cmSystemTools::IsOff(def) && !cmSystemTools::IsOff(def2))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "OR"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
def2 = m_Makefile->GetDefinition(args[2].c_str());
if(!cmSystemTools::IsOff(def) || !cmSystemTools::IsOff(def2))
{
f = new cmIfFunctionBlocker();
}
}
if (args.size() == 3 && (args[1] == "MATCHES"))
{
def = m_Makefile->GetDefinition(args[0].c_str());
cmRegularExpression regEntry(args[2].c_str());
// check for black line or comment
if (def && regEntry.find(def))
{
f = new cmIfFunctionBlocker();
}
}
// if we created a function blocker then set its args
if (f)
{
for(std::vector<std::string>::const_iterator j = args.begin();
j != args.end(); ++j)
{
f->m_Args.push_back(*j);
}
m_Makefile->AddFunctionBlocker(f);
}
else
{
// remove any function blockers for this define
m_Makefile->RemoveFunctionBlocker("ENDIF",args);
}
return true;
}