CMake/Source/cmExportCommand.cxx

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/*============================================================================
CMake - Cross Platform Makefile Generator
Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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 "cmExportCommand.h"
#include "cmGeneratedFileStream.h"
#include "cmGlobalGenerator.h"
#include "cmake.h"
#include <cmsys/Encoding.hxx>
#include <cmsys/RegularExpression.hxx>
#include "cmExportBuildAndroidMKGenerator.h"
#include "cmExportBuildFileGenerator.h"
#if defined(__HAIKU__)
#include <FindDirectory.h>
#include <StorageDefs.h>
#endif
cmExportCommand::cmExportCommand()
: cmCommand()
, ArgumentGroup()
, Targets(&Helper, "TARGETS")
, Append(&Helper, "APPEND", &ArgumentGroup)
, ExportSetName(&Helper, "EXPORT", &ArgumentGroup)
, Namespace(&Helper, "NAMESPACE", &ArgumentGroup)
, Filename(&Helper, "FILE", &ArgumentGroup)
, ExportOld(&Helper, "EXPORT_LINK_INTERFACE_LIBRARIES", &ArgumentGroup)
, AndroidMKFile(&Helper, "ANDROID_MK")
{
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this->ExportSet = CM_NULLPTR;
}
// cmExportCommand
bool cmExportCommand::InitialPass(std::vector<std::string> const& args,
cmExecutionStatus&)
{
if (args.size() < 2) {
this->SetError("called with too few arguments");
return false;
}
if (args[0] == "PACKAGE") {
return this->HandlePackage(args);
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}
if (args[0] == "EXPORT") {
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this->ExportSetName.Follows(CM_NULLPTR);
this->ArgumentGroup.Follows(&this->ExportSetName);
} else {
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this->Targets.Follows(CM_NULLPTR);
this->ArgumentGroup.Follows(&this->Targets);
}
std::vector<std::string> unknownArgs;
this->Helper.Parse(&args, &unknownArgs);
if (!unknownArgs.empty()) {
this->SetError("Unknown arguments.");
return false;
}
std::string fname;
bool android = false;
if (this->AndroidMKFile.WasFound()) {
fname = this->AndroidMKFile.GetString();
android = true;
}
if (!this->Filename.WasFound() && fname.empty()) {
if (args[0] != "EXPORT") {
this->SetError("FILE <filename> option missing.");
return false;
}
fname = this->ExportSetName.GetString() + ".cmake";
} else if (fname.empty()) {
// Make sure the file has a .cmake extension.
if (cmSystemTools::GetFilenameLastExtension(this->Filename.GetCString()) !=
".cmake") {
std::ostringstream e;
e << "FILE option given filename \"" << this->Filename.GetString()
<< "\" which does not have an extension of \".cmake\".\n";
this->SetError(e.str());
return false;
}
fname = this->Filename.GetString();
}
// Get the file to write.
if (cmSystemTools::FileIsFullPath(fname.c_str())) {
if (!this->Makefile->CanIWriteThisFile(fname.c_str())) {
std::ostringstream e;
e << "FILE option given filename \"" << fname
<< "\" which is in the source tree.\n";
this->SetError(e.str());
return false;
}
} else {
// Interpret relative paths with respect to the current build dir.
std::string dir = this->Makefile->GetCurrentBinaryDirectory();
fname = dir + "/" + fname;
}
std::vector<std::string> targets;
cmGlobalGenerator* gg = this->Makefile->GetGlobalGenerator();
if (args[0] == "EXPORT") {
if (this->Append.IsEnabled()) {
std::ostringstream e;
e << "EXPORT signature does not recognise the APPEND option.";
this->SetError(e.str());
return false;
}
if (this->ExportOld.IsEnabled()) {
std::ostringstream e;
e << "EXPORT signature does not recognise the "
"EXPORT_LINK_INTERFACE_LIBRARIES option.";
this->SetError(e.str());
return false;
}
cmExportSetMap& setMap = gg->GetExportSets();
std::string setName = this->ExportSetName.GetString();
if (setMap.find(setName) == setMap.end()) {
std::ostringstream e;
e << "Export set \"" << setName << "\" not found.";
this->SetError(e.str());
return false;
}
this->ExportSet = setMap[setName];
} else if (this->Targets.WasFound()) {
for (std::vector<std::string>::const_iterator currentTarget =
this->Targets.GetVector().begin();
currentTarget != this->Targets.GetVector().end(); ++currentTarget) {
if (this->Makefile->IsAlias(*currentTarget)) {
std::ostringstream e;
e << "given ALIAS target \"" << *currentTarget
<< "\" which may not be exported.";
this->SetError(e.str());
return false;
}
if (cmTarget* target = gg->FindTarget(*currentTarget)) {
if (target->GetType() == cmState::OBJECT_LIBRARY) {
std::ostringstream e;
e << "given OBJECT library \"" << *currentTarget
<< "\" which may not be exported.";
this->SetError(e.str());
return false;
}
if (target->GetType() == cmState::UTILITY) {
this->SetError("given custom target \"" + *currentTarget +
"\" which may not be exported.");
return false;
}
} else {
std::ostringstream e;
e << "given target \"" << *currentTarget
<< "\" which is not built by this project.";
this->SetError(e.str());
return false;
}
targets.push_back(*currentTarget);
}
if (this->Append.IsEnabled()) {
if (cmExportBuildFileGenerator* ebfg =
gg->GetExportedTargetsFile(fname)) {
ebfg->AppendTargets(targets);
return true;
}
}
} else {
this->SetError("EXPORT or TARGETS specifier missing.");
return false;
}
// Setup export file generation.
cmExportBuildFileGenerator* ebfg = CM_NULLPTR;
if (android) {
ebfg = new cmExportBuildAndroidMKGenerator;
} else {
ebfg = new cmExportBuildFileGenerator;
}
ebfg->SetExportFile(fname.c_str());
ebfg->SetNamespace(this->Namespace.GetCString());
ebfg->SetAppendMode(this->Append.IsEnabled());
if (this->ExportSet) {
ebfg->SetExportSet(this->ExportSet);
} else {
ebfg->SetTargets(targets);
}
this->Makefile->AddExportBuildFileGenerator(ebfg);
ebfg->SetExportOld(this->ExportOld.IsEnabled());
// Compute the set of configurations exported.
std::vector<std::string> configurationTypes;
this->Makefile->GetConfigurations(configurationTypes);
if (configurationTypes.empty()) {
configurationTypes.push_back("");
}
for (std::vector<std::string>::const_iterator ci =
configurationTypes.begin();
ci != configurationTypes.end(); ++ci) {
ebfg->AddConfiguration(*ci);
}
if (this->ExportSet) {
gg->AddBuildExportExportSet(ebfg);
} else {
gg->AddBuildExportSet(ebfg);
}
return true;
}
bool cmExportCommand::HandlePackage(std::vector<std::string> const& args)
{
// Parse PACKAGE mode arguments.
enum Doing
{
DoingNone,
DoingPackage
};
Doing doing = DoingPackage;
std::string package;
for (unsigned int i = 1; i < args.size(); ++i) {
if (doing == DoingPackage) {
package = args[i];
doing = DoingNone;
} else {
std::ostringstream e;
e << "PACKAGE given unknown argument: " << args[i];
this->SetError(e.str());
return false;
}
}
// Verify the package name.
if (package.empty()) {
this->SetError("PACKAGE must be given a package name.");
return false;
}
const char* packageExpr = "^[A-Za-z0-9_.-]+$";
cmsys::RegularExpression packageRegex(packageExpr);
if (!packageRegex.find(package.c_str())) {
std::ostringstream e;
e << "PACKAGE given invalid package name \"" << package << "\". "
<< "Package names must match \"" << packageExpr << "\".";
this->SetError(e.str());
return false;
}
// If the CMAKE_EXPORT_NO_PACKAGE_REGISTRY variable is set the command
// export(PACKAGE) does nothing.
if (this->Makefile->IsOn("CMAKE_EXPORT_NO_PACKAGE_REGISTRY")) {
return true;
}
// We store the current build directory in the registry as a value
// named by a hash of its own content. This is deterministic and is
// unique with high probability.
const char* outDir = this->Makefile->GetCurrentBinaryDirectory();
std::string hash = cmSystemTools::ComputeStringMD5(outDir);
#if defined(_WIN32) && !defined(__CYGWIN__)
this->StorePackageRegistryWin(package, outDir, hash.c_str());
#else
this->StorePackageRegistryDir(package, outDir, hash.c_str());
#endif
return true;
}
#if defined(_WIN32) && !defined(__CYGWIN__)
#include <windows.h>
#undef GetCurrentDirectory
void cmExportCommand::ReportRegistryError(std::string const& msg,
std::string const& key, long err)
{
std::ostringstream e;
e << msg << "\n"
<< " HKEY_CURRENT_USER\\" << key << "\n";
wchar_t winmsg[1024];
if (FormatMessageW(
FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS, 0, err,
MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), winmsg, 1024, 0) > 0) {
e << "Windows reported:\n"
<< " " << cmsys::Encoding::ToNarrow(winmsg);
}
this->Makefile->IssueMessage(cmake::WARNING, e.str());
}
void cmExportCommand::StorePackageRegistryWin(std::string const& package,
const char* content,
const char* hash)
{
std::string key = "Software\\Kitware\\CMake\\Packages\\";
key += package;
HKEY hKey;
LONG err =
RegCreateKeyExW(HKEY_CURRENT_USER, cmsys::Encoding::ToWide(key).c_str(), 0,
0, REG_OPTION_NON_VOLATILE, KEY_SET_VALUE, 0, &hKey, 0);
if (err != ERROR_SUCCESS) {
this->ReportRegistryError("Cannot create/open registry key", key, err);
return;
}
std::wstring wcontent = cmsys::Encoding::ToWide(content);
err =
RegSetValueExW(hKey, cmsys::Encoding::ToWide(hash).c_str(), 0, REG_SZ,
(BYTE const*)wcontent.c_str(),
static_cast<DWORD>(wcontent.size() + 1) * sizeof(wchar_t));
RegCloseKey(hKey);
if (err != ERROR_SUCCESS) {
std::ostringstream msg;
msg << "Cannot set registry value \"" << hash << "\" under key";
this->ReportRegistryError(msg.str(), key, err);
return;
}
}
#else
void cmExportCommand::StorePackageRegistryDir(std::string const& package,
const char* content,
const char* hash)
{
#if defined(__HAIKU__)
char dir[B_PATH_NAME_LENGTH];
if (find_directory(B_USER_SETTINGS_DIRECTORY, -1, false, dir, sizeof(dir)) !=
B_OK) {
return;
}
std::string fname = dir;
fname += "/cmake/packages/";
fname += package;
#else
std::string fname;
if (!cmSystemTools::GetEnv("HOME", fname)) {
return;
}
cmSystemTools::ConvertToUnixSlashes(fname);
fname += "/.cmake/packages/";
fname += package;
#endif
cmSystemTools::MakeDirectory(fname.c_str());
fname += "/";
fname += hash;
if (!cmSystemTools::FileExists(fname.c_str())) {
cmGeneratedFileStream entry(fname.c_str(), true);
if (entry) {
entry << content << "\n";
} else {
std::ostringstream e;
/* clang-format off */
e << "Cannot create package registry file:\n"
<< " " << fname << "\n"
<< cmSystemTools::GetLastSystemError() << "\n";
/* clang-format on */
this->Makefile->IssueMessage(cmake::WARNING, e.str());
}
}
}
#endif