1 files changed, 217 insertions, 0 deletions
diff --git a/Source/cmSearchPath.cxx b/Source/cmSearchPath.cxx
new file mode 100644
index 0000000..5b29868
--- /dev/null
+++ b/Source/cmSearchPath.cxx
@@ -0,0 +1,217 @@
+/* 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 "cmAlgorithms.h"
+#include "cmFindCommon.h"
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+
+cmSearchPath::cmSearchPath(cmFindCommon* findCmd)
+  : FC(findCmd)
+{
+}
+
+cmSearchPath::~cmSearchPath()
+{
+}
+
+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());
+  }
+}
+
+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;
+    cmSystemTools::ExpandListArgument(value, expanded);
+
+    for (std::string const& p : expanded) {
+      this->AddPathInternal(p,
+                            this->FC->Makefile->GetCurrentSourceDirectory());
+    }
+  }
+}
+
+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;
+    cmSystemTools::ExpandListArgument(value, expanded);
+
+    this->AddPrefixPaths(expanded,
+                         this->FC->Makefile->GetCurrentSourceDirectory());
+  }
+}
+
+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.rbegin() != '/') {
+      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.rbegin() != '/') {
+      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));
+  }
+}