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cmake/Source/cmSearchPath.cxx

215 lines
5.9 KiB

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmSearchPath.h"
#include <algorithm>
#include <cassert>
#include <utility>
#include "cmFindCommon.h"
#include "cmMakefile.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
cmSearchPath::cmSearchPath(cmFindCommon* findCmd)
: FC(findCmd)
{
}
cmSearchPath::~cmSearchPath() = default;
void cmSearchPath::ExtractWithout(const std::set<std::string>& ignore,
std::vector<std::string>& outPaths,
bool clear) const
{
if (clear) {
outPaths.clear();
}
for (std::string const& path : this->Paths) {
if (ignore.count(path) == 0) {
outPaths.push_back(path);
}
}
}
void cmSearchPath::AddPath(const std::string& path)
{
this->AddPathInternal(path);
}
void cmSearchPath::AddUserPath(const std::string& path)
{
assert(this->FC != nullptr);
std::vector<std::string> outPaths;
// We should view the registry as the target application would view
// it.
cmSystemTools::KeyWOW64 view = cmSystemTools::KeyWOW64_32;
cmSystemTools::KeyWOW64 other_view = cmSystemTools::KeyWOW64_64;
if (this->FC->Makefile->PlatformIs64Bit()) {
view = cmSystemTools::KeyWOW64_64;
other_view = cmSystemTools::KeyWOW64_32;
}
// Expand using the view of the target application.
std::string expanded = path;
cmSystemTools::ExpandRegistryValues(expanded, view);
cmSystemTools::GlobDirs(expanded, outPaths);
// Executables can be either 32-bit or 64-bit, so expand using the
// alternative view.
if (expanded != path && this->FC->CMakePathName == "PROGRAM") {
expanded = path;
cmSystemTools::ExpandRegistryValues(expanded, other_view);
cmSystemTools::GlobDirs(expanded, outPaths);
}
// Process them all from the current directory
for (std::string const& p : outPaths) {
this->AddPathInternal(
p, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
}
}
void cmSearchPath::AddCMakePath(const std::string& variable)
{
assert(this->FC != nullptr);
// Get a path from a CMake variable.
if (const char* value = this->FC->Makefile->GetDefinition(variable)) {
std::vector<std::string> expanded = cmExpandedList(value);
for (std::string const& p : expanded) {
this->AddPathInternal(
p, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
}
}
}
void cmSearchPath::AddEnvPath(const std::string& variable)
{
std::vector<std::string> expanded;
cmSystemTools::GetPath(expanded, variable.c_str());
for (std::string const& p : expanded) {
this->AddPathInternal(p);
}
}
void cmSearchPath::AddCMakePrefixPath(const std::string& variable)
{
assert(this->FC != nullptr);
// Get a path from a CMake variable.
if (const char* value = this->FC->Makefile->GetDefinition(variable)) {
std::vector<std::string> expanded = cmExpandedList(value);
this->AddPrefixPaths(
expanded, this->FC->Makefile->GetCurrentSourceDirectory().c_str());
}
}
static std::string cmSearchPathStripBin(std::string const& s)
{
// If the path is a PREFIX/bin case then add its parent instead.
if ((cmHasLiteralSuffix(s, "/bin")) || (cmHasLiteralSuffix(s, "/sbin"))) {
return cmSystemTools::GetFilenamePath(s);
}
return s;
}
void cmSearchPath::AddEnvPrefixPath(const std::string& variable, bool stripBin)
{
std::vector<std::string> expanded;
cmSystemTools::GetPath(expanded, variable.c_str());
if (stripBin) {
std::transform(expanded.begin(), expanded.end(), expanded.begin(),
cmSearchPathStripBin);
}
this->AddPrefixPaths(expanded);
}
void cmSearchPath::AddSuffixes(const std::vector<std::string>& suffixes)
{
std::vector<std::string> inPaths;
inPaths.swap(this->Paths);
this->Paths.reserve(inPaths.size() * (suffixes.size() + 1));
for (std::string& inPath : inPaths) {
cmSystemTools::ConvertToUnixSlashes(inPath);
// if *i is only / then do not add a //
// this will get incorrectly considered a network
// path on windows and cause huge delays.
std::string p = inPath;
if (!p.empty() && p.back() != '/') {
p += "/";
}
// Combine with all the suffixes
for (std::string const& suffix : suffixes) {
this->Paths.push_back(p + suffix);
}
// And now the original w/o any suffix
this->Paths.push_back(std::move(inPath));
}
}
void cmSearchPath::AddPrefixPaths(const std::vector<std::string>& paths,
const char* base)
{
assert(this->FC != nullptr);
// default for programs
std::string subdir = "bin";
if (this->FC->CMakePathName == "INCLUDE") {
subdir = "include";
} else if (this->FC->CMakePathName == "LIBRARY") {
subdir = "lib";
} else if (this->FC->CMakePathName == "FRAMEWORK") {
subdir.clear(); // ? what to do for frameworks ?
}
for (std::string const& path : paths) {
std::string dir = path;
if (!subdir.empty() && !dir.empty() && dir.back() != '/') {
dir += "/";
}
if (subdir == "include" || subdir == "lib") {
const char* arch =
this->FC->Makefile->GetDefinition("CMAKE_LIBRARY_ARCHITECTURE");
if (arch && *arch) {
this->AddPathInternal(dir + subdir + "/" + arch, base);
}
}
std::string add = dir + subdir;
if (add != "/") {
this->AddPathInternal(add, base);
}
if (subdir == "bin") {
this->AddPathInternal(dir + "sbin", base);
}
if (!subdir.empty() && path != "/") {
this->AddPathInternal(path, base);
}
}
}
void cmSearchPath::AddPathInternal(const std::string& path, const char* base)
{
assert(this->FC != nullptr);
std::string collapsed = cmSystemTools::CollapseFullPath(path, base);
if (collapsed.empty()) {
return;
}
// Insert the path if has not already been emitted.
if (this->FC->SearchPathsEmitted.insert(collapsed).second) {
this->Paths.push_back(std::move(collapsed));
}
}