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 "cmGlobalGenerator.h"
#include "cmPropertyDefinition.h"
#include "cmSourceFile.h"
#include "cmState.h"
#include "cmTest.h"
#include "cmake.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) {
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this->SetError("called with incorrect number of arguments");
return false;
}
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// 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") {
scope = cmProperty::VARIABLE;
} else if (args[1] == "CACHE") {
scope = cmProperty::CACHE;
} else if (args[1] == "INSTALL") {
scope = cmProperty::INSTALL;
} 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;
} else if (args[i] == "SET") {
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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;
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) {
// Lookup full documentation.
std::string output;
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());
} else if (this->InfoType == OutDefined) {
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// Lookup if the property is defined
if (this->Makefile->GetState()->GetPropertyDefinition(this->PropertyName,
scope)) {
this->Makefile->AddDefinition(this->Variable, "1");
} 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)
{
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 (cmTarget* target = this->Makefile->FindTargetToUse(this->Name)) {
if (this->PropertyName == "ALIASED_TARGET") {
if (this->Makefile->IsAlias(this->Name)) {
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return this->StoreResult(target->GetName().c_str());
}
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return this->StoreResult(CM_NULLPTR);
}
return this->StoreResult(
target->GetProperty(this->PropertyName, this->Makefile));
}
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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));
}
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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;
}
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const char* value = CM_NULLPTR;
if (this->Makefile->GetState()->GetCacheEntryValue(this->Name)) {
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);
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return this->StoreResult(isSet ? value.c_str() : CM_NULLPTR);
}
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std::ostringstream e;
e << "given INSTALL name that could not be found or created: " << this->Name;
this->SetError(e.str());
return false;
}