CMake/Source/cmGetPropertyCommand.cxx

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/*=========================================================================
Program: CMake - Cross-Platform Makefile Generator
Module: $RCSfile$
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
See Copyright.txt or http://www.cmake.org/HTML/Copyright.html 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 "cmGetPropertyCommand.h"
#include "cmake.h"
#include "cmTest.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
{
cmOStringStream e;
e << "given invalid scope " << args[1] << ". "
<< "Valid scopes are "
<< "GLOBAL, DIRECTORY, TARGET, SOURCE, TEST, VARIABLE.";
this->SetError(e.str().c_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;
}
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
{
cmOStringStream e;
e << "given invalid argument \"" << args[i] << "\".";
this->SetError(e.str().c_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;
if(cmPropertyDefinition* def =
this->Makefile->GetCMakeInstance()->
GetPropertyDefinition(this->PropertyName.c_str(), scope))
{
output = def->GetShortDescription();
}
else
{
output = "NOTFOUND";
}
this->Makefile->AddDefinition(this->Variable.c_str(), output.c_str());
}
else if(this->InfoType == OutFullDoc)
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{
// Lookup full documentation.
std::string output;
if(cmPropertyDefinition* def =
this->Makefile->GetCMakeInstance()->
GetPropertyDefinition(this->PropertyName.c_str(), scope))
{
output = def->GetFullDescription();
}
else
{
output = "NOTFOUND";
}
this->Makefile->AddDefinition(this->Variable.c_str(), output.c_str());
}
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::CACHED_VARIABLE:
break; // should never happen
}
}
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return true;
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::StoreResult(const char* value)
{
if(this->InfoType == OutDefined)
{
this->Makefile->AddDefinition(this->Variable.c_str(), value? "1":"0");
}
else // if(this->InfoType == OutValue)
{
this->Makefile->AddDefinition(this->Variable.c_str(), value);
}
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->GetProperty(this->PropertyName.c_str()));
}
//----------------------------------------------------------------------------
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->GetCurrentDirectory();
dir += "/";
dir += this->Name;
}
// The local generators are associated with collapsed paths.
dir = cmSystemTools::CollapseFullPath(dir.c_str());
// Lookup the generator.
if(cmLocalGenerator* lg =
(this->Makefile->GetLocalGenerator()
->GetGlobalGenerator()->FindLocalGenerator(dir.c_str())))
{
// Use the makefile for the directory found.
mf = lg->GetMakefile();
}
else
{
// 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;
}
}
// Get the property.
return this->StoreResult(mf->GetProperty(this->PropertyName.c_str()));
}
//----------------------------------------------------------------------------
bool cmGetPropertyCommand::HandleTargetMode()
{
if(this->Name.empty())
{
this->SetError("not given name for TARGET scope.");
return false;
}
if(cmTarget* target = this->Makefile->FindTargetToUse(this->Name.c_str()))
{
return this->StoreResult(target->GetProperty(this->PropertyName.c_str()));
}
else
{
cmOStringStream e;
e << "could not find TARGET " << this->Name
<< ". Perhaps it has not yet been created.";
this->SetError(e.str().c_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.c_str()))
{
return this->StoreResult(sf->GetProperty(this->PropertyName.c_str()));
}
else
{
cmOStringStream e;
e << "given SOURCE name that could not be found or created: "
<< this->Name;
this->SetError(e.str().c_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.
std::vector<cmTest*> const& tests = *this->Makefile->GetTests();
for(std::vector<cmTest*>::const_iterator ti = tests.begin();
ti != tests.end(); ++ti)
{
cmTest* test = *ti;
if(test->GetName() == this->Name)
{
return this->StoreResult(test->GetProperty(this->PropertyName.c_str()));
}
}
// If not found it is an error.
cmOStringStream e;
e << "given TEST name that does not exist: " << this->Name;
this->SetError(e.str().c_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.c_str()));
}