1 files changed, 110 insertions, 0 deletions
diff --git a/Source/cmAddSubDirectoryCommand.cxx b/Source/cmAddSubDirectoryCommand.cxx
new file mode 100644
index 0000000..7947188
--- /dev/null
+++ b/Source/cmAddSubDirectoryCommand.cxx
@@ -0,0 +1,110 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmAddSubDirectoryCommand.h"
+
+#include <sstream>
+#include <string.h>
+
+#include "cmMakefile.h"
+#include "cmRange.h"
+#include "cmSystemTools.h"
+
+class cmExecutionStatus;
+
+// cmAddSubDirectoryCommand
+bool cmAddSubDirectoryCommand::InitialPass(
+  std::vector<std::string> const& args, cmExecutionStatus&)
+{
+  if (args.empty()) {
+    this->SetError("called with incorrect number of arguments");
+    return false;
+  }
+
+  // store the binpath
+  std::string const& srcArg = args.front();
+  std::string binArg;
+
+  bool excludeFromAll = false;
+
+  // process the rest of the arguments looking for optional args
+  for (std::string const& arg : cmMakeRange(args).advance(1)) {
+    if (arg == "EXCLUDE_FROM_ALL") {
+      excludeFromAll = true;
+      continue;
+    }
+    if (binArg.empty()) {
+      binArg = arg;
+    } else {
+      this->SetError("called with incorrect number of arguments");
+      return false;
+    }
+  }
+
+  // Compute the full path to the specified source directory.
+  // Interpret a relative path with respect to the current source directory.
+  std::string srcPath;
+  if (cmSystemTools::FileIsFullPath(srcArg)) {
+    srcPath = srcArg;
+  } else {
+    srcPath = this->Makefile->GetCurrentSourceDirectory();
+    srcPath += "/";
+    srcPath += srcArg;
+  }
+  if (!cmSystemTools::FileIsDirectory(srcPath)) {
+    std::string error = "given source \"";
+    error += srcArg;
+    error += "\" which is not an existing directory.";
+    this->SetError(error);
+    return false;
+  }
+  srcPath = cmSystemTools::CollapseFullPath(srcPath);
+
+  // Compute the full path to the binary directory.
+  std::string binPath;
+  if (binArg.empty()) {
+    // No binary directory was specified.  If the source directory is
+    // not a subdirectory of the current directory then it is an
+    // error.
+    if (!cmSystemTools::IsSubDirectory(
+          srcPath, this->Makefile->GetCurrentSourceDirectory())) {
+      std::ostringstream e;
+      e << "not given a binary directory but the given source directory "
+        << "\"" << srcPath << "\" is not a subdirectory of \""
+        << this->Makefile->GetCurrentSourceDirectory() << "\".  "
+        << "When specifying an out-of-tree source a binary directory "
+        << "must be explicitly specified.";
+      this->SetError(e.str());
+      return false;
+    }
+
+    // Remove the CurrentDirectory from the srcPath and replace it
+    // with the CurrentOutputDirectory.
+    const std::string& src = this->Makefile->GetCurrentSourceDirectory();
+    const std::string& bin = this->Makefile->GetCurrentBinaryDirectory();
+    size_t srcLen = src.length();
+    size_t binLen = bin.length();
+    if (srcLen > 0 && src.back() == '/') {
+      --srcLen;
+    }
+    if (binLen > 0 && bin.back() == '/') {
+      --binLen;
+    }
+    binPath = bin.substr(0, binLen) + srcPath.substr(srcLen);
+  } else {
+    // Use the binary directory specified.
+    // Interpret a relative path with respect to the current binary directory.
+    if (cmSystemTools::FileIsFullPath(binArg)) {
+      binPath = binArg;
+    } else {
+      binPath = this->Makefile->GetCurrentBinaryDirectory();
+      binPath += "/";
+      binPath += binArg;
+    }
+  }
+  binPath = cmSystemTools::CollapseFullPath(binPath);
+
+  // Add the subdirectory using the computed full paths.
+  this->Makefile->AddSubDirectory(srcPath, binPath, excludeFromAll, true);
+
+  return true;
+}