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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
This software is distributed WITHOUT ANY WARRANTY; without even the
implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
See the License for more information.
============================================================================*/
#include "cmIncludeDirectoryCommand.h"
// cmIncludeDirectoryCommand
bool cmIncludeDirectoryCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
{
if(args.size() < 1 )
{
return true;
}
std::vector<std::string>::const_iterator i = args.begin();
bool before = this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
bool system = false;
if ((*i) == "BEFORE")
{
before = true;
++i;
}
else if ((*i) == "AFTER")
{
before = false;
++i;
}
std::vector<std::string> beforeIncludes;
std::vector<std::string> afterIncludes;
std::set<cmStdString> systemIncludes;
for(; i != args.end(); ++i)
{
if(*i == "SYSTEM")
{
system = true;
continue;
}
if(i->size() == 0)
{
this->SetError("given empty-string as include directory.");
return false;
}
std::vector<std::string> includes;
GetIncludes(*i, includes);
if (before)
{
beforeIncludes.insert(beforeIncludes.end(),
includes.begin(),
includes.end());
}
else
{
afterIncludes.insert(afterIncludes.end(),
includes.begin(),
includes.end());
}
if (system)
{
for (std::vector<std::string>::const_iterator li = includes.begin();
li != includes.end(); ++li)
{
systemIncludes.insert(*li);
}
}
}
std::reverse(beforeIncludes.begin(), beforeIncludes.end());
this->Makefile->AddIncludeDirectories(afterIncludes);
this->Makefile->AddIncludeDirectories(beforeIncludes, before);
this->Makefile->AddSystemIncludeDirectories(systemIncludes);
return true;
}
static bool StartsWithGeneratorExpression(const std::string &input)
{
return input[0] == '$' && input[1] == '<';
}
// do a lot of cleanup on the arguments because this is one place where folks
// sometimes take the output of a program and pass it directly into this
// command not thinking that a single argument could be filled with spaces
// and newlines etc liek below:
//
// " /foo/bar
// /boo/hoo /dingle/berry "
//
// ideally that should be three separate arguments but when sucking the
// output from a program and passing it into a command the cleanup doesn't
// always happen
//
void cmIncludeDirectoryCommand::GetIncludes(const std::string &arg,
std::vector<std::string> &incs)
{
// break apart any line feed arguments
std::string::size_type pos = 0;
std::string::size_type lastPos = 0;
while((pos = arg.find('\n', lastPos)) != std::string::npos)
{
if (pos)
{
std::string inc = arg.substr(lastPos,pos);
this->NormalizeInclude(inc);
if (!inc.empty())
{
incs.push_back(inc);
}
}
lastPos = pos + 1;
}
std::string inc = arg.substr(lastPos);
this->NormalizeInclude(inc);
if (!inc.empty())
{
incs.push_back(inc);
}
}
void cmIncludeDirectoryCommand::NormalizeInclude(std::string &inc)
{
std::string::size_type b = inc.find_first_not_of(" \r");
std::string::size_type e = inc.find_last_not_of(" \r");
if ((b!=inc.npos) && (e!=inc.npos))
{
inc.assign(inc, b, 1+e-b); // copy the remaining substring
}
else
{
inc = "";
return;
}
if (!cmSystemTools::IsOff(inc.c_str()))
{
cmSystemTools::ConvertToUnixSlashes(inc);
if(!cmSystemTools::FileIsFullPath(inc.c_str()))
{
if(!StartsWithGeneratorExpression(inc))
{
std::string tmp = this->Makefile->GetStartDirectory();
tmp += "/";
tmp += inc;
inc = tmp;
}
}
}
}
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