CMake/Source/cmGetDirectoryPropertyCommand.cxx
2017-08-24 23:39:47 +02:00

106 lines
3.1 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmGetDirectoryPropertyCommand.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmPolicies.h"
#include "cmSystemTools.h"
#include "cmake.h"
class cmExecutionStatus;
// cmGetDirectoryPropertyCommand
bool cmGetDirectoryPropertyCommand::InitialPass(
std::vector<std::string> const& args, cmExecutionStatus&)
{
if (args.size() < 2) {
this->SetError("called with incorrect number of arguments");
return false;
}
std::vector<std::string>::const_iterator i = args.begin();
std::string const& variable = *i;
++i;
// get the directory argument if there is one
cmMakefile* dir = this->Makefile;
if (*i == "DIRECTORY") {
++i;
if (i == args.end()) {
this->SetError(
"DIRECTORY argument provided without subsequent arguments");
return false;
}
std::string sd = *i;
// make sure the start dir is a full path
if (!cmSystemTools::FileIsFullPath(sd.c_str())) {
sd = this->Makefile->GetCurrentSourceDirectory();
sd += "/";
sd += *i;
}
// The local generators are associated with collapsed paths.
sd = cmSystemTools::CollapseFullPath(sd);
// lookup the makefile from the directory name
dir = this->Makefile->GetGlobalGenerator()->FindMakefile(sd);
if (!dir) {
this->SetError(
"DIRECTORY argument provided but requested directory not found. "
"This could be because the directory argument was invalid or, "
"it is valid but has not been processed yet.");
return false;
}
++i;
}
// OK, now we have the directory to process, we just get the requested
// information out of it
if (*i == "DEFINITION") {
++i;
if (i == args.end()) {
this->SetError("A request for a variable definition was made without "
"providing the name of the variable to get.");
return false;
}
std::string output = dir->GetSafeDefinition(*i);
this->Makefile->AddDefinition(variable, output.c_str());
return true;
}
const char* prop = nullptr;
if (!i->empty()) {
if (*i == "DEFINITIONS") {
switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0059)) {
case cmPolicies::WARN:
this->Makefile->IssueMessage(
cmake::AUTHOR_WARNING,
cmPolicies::GetPolicyWarning(cmPolicies::CMP0059));
CM_FALLTHROUGH;
case cmPolicies::OLD:
this->StoreResult(variable, this->Makefile->GetDefineFlagsCMP0059());
return true;
case cmPolicies::NEW:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::REQUIRED_IF_USED:
break;
}
}
prop = dir->GetProperty(*i);
}
this->StoreResult(variable, prop);
return true;
}
void cmGetDirectoryPropertyCommand::StoreResult(std::string const& variable,
const char* prop)
{
if (prop) {
this->Makefile->AddDefinition(variable, prop);
return;
}
this->Makefile->AddDefinition(variable, "");
}