CMake/Source/cmGetPropertyCommand.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
see accompanying file Copyright.txt for details.
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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.
============================================================================*/
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#include "cmGetPropertyCommand.h"
#include "cmake.h"
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#include "cmState.h"
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#include "cmTest.h"
#include "cmGlobalGenerator.h"
#include "cmLocalGenerator.h"
#include "cmSourceFile.h"
#include "cmPropertyDefinition.h"
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//----------------------------------------------------------------------------
cmGetPropertyCommand::cmGetPropertyCommand()
{
this->InfoType = OutValue;
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand
::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
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{
if(args.size() < 3 )
{
this->SetError("called with incorrect number of arguments");
return false;
}
// The cmake variable in which to store the result.
this->Variable = args[0];
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// Get the scope from which to get the property.
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cmProperty::ScopeType scope;
if(args[1] == "GLOBAL")
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{
scope = cmProperty::GLOBAL;
}
else if(args[1] == "DIRECTORY")
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{
scope = cmProperty::DIRECTORY;
}
else if(args[1] == "TARGET")
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{
scope = cmProperty::TARGET;
}
else if(args[1] == "SOURCE")
{
scope = cmProperty::SOURCE_FILE;
}
else if(args[1] == "TEST")
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{
scope = cmProperty::TEST;
}
else if(args[1] == "VARIABLE")
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{
scope = cmProperty::VARIABLE;
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}
else if(args[1] == "CACHE")
{
scope = cmProperty::CACHE;
}
else if(args[1] == "INSTALL")
{
scope = cmProperty::INSTALL;
}
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else
{
std::ostringstream e;
e << "given invalid scope " << args[1] << ". "
<< "Valid scopes are "
<< "GLOBAL, DIRECTORY, TARGET, SOURCE, TEST, VARIABLE, CACHE, INSTALL.";
this->SetError(e.str());
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return false;
}
// Parse remaining arguments.
enum Doing { DoingNone, DoingName, DoingProperty, DoingType };
Doing doing = DoingName;
for(unsigned int i=2; i < args.size(); ++i)
{
if(args[i] == "PROPERTY")
{
doing = DoingProperty;
}
else if(args[i] == "BRIEF_DOCS")
{
doing = DoingNone;
this->InfoType = OutBriefDoc;
}
else if(args[i] == "FULL_DOCS")
{
doing = DoingNone;
this->InfoType = OutFullDoc;
}
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else if(args[i] == "SET")
{
doing = DoingNone;
this->InfoType = OutSet;
}
else if(args[i] == "DEFINED")
{
doing = DoingNone;
this->InfoType = OutDefined;
}
else if(doing == DoingName)
{
doing = DoingNone;
this->Name = args[i];
}
else if(doing == DoingProperty)
{
doing = DoingNone;
this->PropertyName = args[i];
}
else
{
std::ostringstream e;
e << "given invalid argument \"" << args[i] << "\".";
this->SetError(e.str());
return false;
}
}
// Make sure a property name was found.
if(this->PropertyName.empty())
{
this->SetError("not given a PROPERTY <name> argument.");
return false;
}
// Compute requested output.
if(this->InfoType == OutBriefDoc)
{
// Lookup brief documentation.
std::string output;
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if(cmPropertyDefinition const* def = this->Makefile->GetState()->
GetPropertyDefinition(this->PropertyName, scope))
{
output = def->GetShortDescription();
}
else
{
output = "NOTFOUND";
}
this->Makefile->AddDefinition(this->Variable, output.c_str());
}
else if(this->InfoType == OutFullDoc)
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{
// Lookup full documentation.
std::string output;
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if(cmPropertyDefinition const* def = this->Makefile->GetState()->
GetPropertyDefinition(this->PropertyName, scope))
{
output = def->GetFullDescription();
}
else
{
output = "NOTFOUND";
}
this->Makefile->AddDefinition(this->Variable, output.c_str());
}
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else if(this->InfoType == OutDefined)
{
// Lookup if the property is defined
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if(this->Makefile->GetState()->
GetPropertyDefinition(this->PropertyName, scope))
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{
this->Makefile->AddDefinition(this->Variable, "1");
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}
else
{
this->Makefile->AddDefinition(this->Variable, "0");
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}
}
else
{
// Dispatch property getting.
switch(scope)
{
case cmProperty::GLOBAL: return this->HandleGlobalMode();
case cmProperty::DIRECTORY: return this->HandleDirectoryMode();
case cmProperty::TARGET: return this->HandleTargetMode();
case cmProperty::SOURCE_FILE: return this->HandleSourceMode();
case cmProperty::TEST: return this->HandleTestMode();
case cmProperty::VARIABLE: return this->HandleVariableMode();
case cmProperty::CACHE: return this->HandleCacheMode();
case cmProperty::INSTALL: return this->HandleInstallMode();
case cmProperty::CACHED_VARIABLE:
break; // should never happen
}
}
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return true;
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::StoreResult(const char* value)
{
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if(this->InfoType == OutSet)
{
this->Makefile->AddDefinition(this->Variable, value? "1":"0");
}
else // if(this->InfoType == OutValue)
{
if(value)
{
this->Makefile->AddDefinition(this->Variable, value);
}
else
{
this->Makefile->RemoveDefinition(this->Variable);
}
}
return true;
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleGlobalMode()
{
if(!this->Name.empty())
{
this->SetError("given name for GLOBAL scope.");
return false;
}
// Get the property.
cmake* cm = this->Makefile->GetCMakeInstance();
return this->StoreResult(cm->GetState()
->GetGlobalProperty(this->PropertyName));
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleDirectoryMode()
{
// Default to the current directory.
cmMakefile* mf = this->Makefile;
// Lookup the directory if given.
if(!this->Name.empty())
{
// Construct the directory name. Interpret relative paths with
// respect to the current directory.
std::string dir = this->Name;
if(!cmSystemTools::FileIsFullPath(dir.c_str()))
{
dir = this->Makefile->GetCurrentSourceDirectory();
dir += "/";
dir += this->Name;
}
// The local generators are associated with collapsed paths.
dir = cmSystemTools::CollapseFullPath(dir);
// Lookup the generator.
mf = this->Makefile->GetGlobalGenerator()->FindMakefile(dir);
if (!mf)
{
// Could not find the directory.
this->SetError
("DIRECTORY scope provided but requested directory was not found. "
"This could be because the directory argument was invalid or, "
"it is valid but has not been processed yet.");
return false;
}
}
if (this->PropertyName == "DEFINITIONS")
{
switch(mf->GetPolicyStatus(cmPolicies::CMP0059))
{
case cmPolicies::WARN:
mf->IssueMessage(cmake::AUTHOR_WARNING,
cmPolicies::GetPolicyWarning(cmPolicies::CMP0059));
case cmPolicies::OLD:
return this->StoreResult(mf->GetDefineFlagsCMP0059());
case cmPolicies::NEW:
case cmPolicies::REQUIRED_ALWAYS:
case cmPolicies::REQUIRED_IF_USED:
break;
}
}
// Get the property.
return this->StoreResult(mf->GetProperty(this->PropertyName));
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleTargetMode()
{
if(this->Name.empty())
{
this->SetError("not given name for TARGET scope.");
return false;
}
if(this->PropertyName == "ALIASED_TARGET")
{
if(this->Makefile->IsAlias(this->Name))
{
if(cmTarget* target =
this->Makefile->FindTargetToUse(this->Name))
{
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return this->StoreResult(target->GetName().c_str());
}
}
return this->StoreResult((this->Variable + "-NOTFOUND").c_str());
}
if(cmTarget* target = this->Makefile->FindTargetToUse(this->Name))
{
return this->StoreResult(target->GetProperty(this->PropertyName,
this->Makefile));
}
else
{
std::ostringstream e;
e << "could not find TARGET " << this->Name
<< ". Perhaps it has not yet been created.";
this->SetError(e.str());
return false;
}
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleSourceMode()
{
if(this->Name.empty())
{
this->SetError("not given name for SOURCE scope.");
return false;
}
// Get the source file.
if(cmSourceFile* sf =
this->Makefile->GetOrCreateSource(this->Name))
{
return
this->StoreResult(sf->GetPropertyForUser(this->PropertyName));
}
else
{
std::ostringstream e;
e << "given SOURCE name that could not be found or created: "
<< this->Name;
this->SetError(e.str());
return false;
}
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleTestMode()
{
if(this->Name.empty())
{
this->SetError("not given name for TEST scope.");
return false;
}
// Loop over all tests looking for matching names.
if(cmTest* test = this->Makefile->GetTest(this->Name))
{
return this->StoreResult(test->GetProperty(this->PropertyName));
}
// If not found it is an error.
std::ostringstream e;
e << "given TEST name that does not exist: " << this->Name;
this->SetError(e.str());
return false;
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleVariableMode()
{
if(!this->Name.empty())
{
this->SetError("given name for VARIABLE scope.");
return false;
}
return this->StoreResult
(this->Makefile->GetDefinition(this->PropertyName));
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleCacheMode()
{
if(this->Name.empty())
{
this->SetError("not given name for CACHE scope.");
return false;
}
const char* value = 0;
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if(this->Makefile->GetState()->GetCacheEntryValue(this->Name))
{
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value = this->Makefile->GetState()
->GetCacheEntryProperty(this->Name, this->PropertyName);
}
this->StoreResult(value);
return true;
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleInstallMode()
{
if(this->Name.empty())
{
this->SetError("not given name for INSTALL scope.");
return false;
}
// Get the installed file.
cmake* cm = this->Makefile->GetCMakeInstance();
if(cmInstalledFile* file = cm->GetOrCreateInstalledFile(
this->Makefile, this->Name))
{
std::string value;
bool isSet = file->GetProperty(this->PropertyName, value);
return this->StoreResult(isSet ? value.c_str() : 0);
}
else
{
std::ostringstream e;
e << "given INSTALL name that could not be found or created: "
<< this->Name;
this->SetError(e.str());
return false;
}
}