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/*=========================================================================
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 "cmIfCommand.h"
#include "cmCacheManager.h"
bool cmIfFunctionBlocker::
IsFunctionBlocked(const char *name, const std::vector<std::string> &args,
cmMakefile &)
{
if (!strcmp(name,"ELSE") || !strcmp(name,"ENDIF"))
{
if (args == m_Args)
{
return false;
}
else if(args.empty())
{
std::string err = "Empty arguments for ";
err += name;
err += ". Did you mean ";
err += name;
err += "( ";
for(std::vector<std::string>::const_iterator a = m_Args.begin();
a != m_Args.end();++a)
{
err += *a;
err += " ";
}
err += ")?";
cmSystemTools::Error(err.c_str());
}
}
return true;
}
bool cmIfFunctionBlocker::
ShouldRemove(const char *name, const std::vector<std::string> &args,
cmMakefile &mf)
{
return !this->IsFunctionBlocked(name,args,mf);
}
void cmIfFunctionBlocker::
ScopeEnded(cmMakefile &mf)
{
std::string errmsg = "The end of a CMakeLists file was reached with an IF statement that was not closed properly.\nWithin the directory: ";
errmsg += mf.GetCurrentDirectory();
errmsg += "\nThe arguments are: ";
for(std::vector<std::string>::const_iterator j = m_Args.begin();
j != m_Args.end(); ++j)
{
errmsg += *j;
errmsg += " ";
}
cmSystemTools::Error(errmsg.c_str());
}
bool cmIfCommand::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] == "NOT"))
{
def = m_Makefile->GetDefinition(args[1].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() == 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);
}
return true;
}
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