CMake/Source/cmTargetPropCommandBase.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2013 Stephen Kelly <steveire@gmail.com>
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 "cmTargetPropCommandBase.h"
#include "cmGlobalGenerator.h"
//----------------------------------------------------------------------------
bool cmTargetPropCommandBase
::HandleArguments(std::vector<std::string> const& args, const char *prop,
ArgumentFlags flags)
{
if(args.size() < 3)
{
this->SetError("called with incorrect number of arguments");
return false;
}
// Lookup the target for which libraries are specified.
this->Target =
this->Makefile->GetCMakeInstance()
->GetGlobalGenerator()->FindTarget(0, args[0].c_str());
if(!this->Target)
{
this->Target = this->Makefile->FindTargetToUse(args[0].c_str());
}
if(!this->Target)
{
this->HandleMissingTarget(args[0]);
return false;
}
unsigned int argIndex = 1;
bool prepend = false;
if ((flags & PROCESS_BEFORE) && args[argIndex] == "BEFORE")
{
if (args.size() < 4)
{
this->SetError("called with incorrect number of arguments");
return false;
}
prepend = true;
++argIndex;
}
this->Property = prop;
while (argIndex < args.size())
{
if (!this->ProcessContentArgs(args, argIndex, prepend))
{
return false;
}
}
return true;
}
//----------------------------------------------------------------------------
static bool isGeneratorExpression(const std::string &lib)
{
const std::string::size_type openpos = lib.find("$<");
return (openpos != std::string::npos)
&& (lib.find(">", openpos) != std::string::npos);
}
//----------------------------------------------------------------------------
bool cmTargetPropCommandBase
::ProcessContentArgs(std::vector<std::string> const& args,
unsigned int &argIndex, bool prepend)
{
const std::string scope = args[argIndex];
if(scope != "PUBLIC"
&& scope != "PRIVATE"
&& scope != "INTERFACE" )
{
this->SetError("called with invalid arguments");
return false;
}
if(this->Target->IsImported())
{
this->HandleImportedTarget(args[0]);
return false;
}
++argIndex;
std::string content;
std::string sep;
for(unsigned int i=argIndex; i < args.size(); ++i, ++argIndex)
{
if(args[i] == "PUBLIC"
|| args[i] == "PRIVATE"
|| args[i] == "INTERFACE" )
{
this->PopulateTargetProperies(scope, content, prepend);
return true;
}
if (this->Makefile->FindTargetToUse(args[i].c_str()))
{
content += sep + "$<TARGET_PROPERTY:" + args[i]
+ ",INTERFACE_" + this->Property + ">";
}
else if(isGeneratorExpression(args[i]))
{
content += sep + args[i];
}
else if (!this->HandleNonTargetArg(content, sep, args[i], args[0]))
{
return false;
}
sep = ";";
}
this->PopulateTargetProperies(scope, content, prepend);
return true;
}
//----------------------------------------------------------------------------
void cmTargetPropCommandBase
::PopulateTargetProperies(const std::string &scope,
const std::string &content, bool prepend)
{
if (scope == "PRIVATE" || scope == "PUBLIC")
{
this->HandleDirectContent(this->Target, content, prepend);
}
if (scope == "INTERFACE" || scope == "PUBLIC")
{
if (prepend)
{
const std::string propName = std::string("INTERFACE_") + this->Property;
const char *propValue = this->Target->GetProperty(propName.c_str());
const std::string totalContent = content + (propValue
? std::string(";") + propValue
: std::string());
this->Target->SetProperty(propName.c_str(), totalContent.c_str());
}
else
{
this->Target->AppendProperty(("INTERFACE_" + this->Property).c_str(),
content.c_str());
}
}
}