fileapi: add cmakeFiles v1

Issue: #18398

1 files changed, 113 insertions, 0 deletions

diff --git a/Source/cmFileAPICMakeFiles.cxx b/Source/cmFileAPICMakeFiles.cxx
new file mode 100644
index 0000000..799a047
--- /dev/null
+++ b/Source/cmFileAPICMakeFiles.cxx
@@ -0,0 +1,113 @@
+/* Distributed under the OSI-approved BSD 3-Clause License.  See accompanying
+   file Copyright.txt or https://cmake.org/licensing for details.  */
+#include "cmFileAPICMakeFiles.h"
+
+#include "cmFileAPI.h"
+#include "cmGlobalGenerator.h"
+#include "cmLocalGenerator.h"
+#include "cmMakefile.h"
+#include "cmSystemTools.h"
+#include "cmake.h"
+
+#include "cm_jsoncpp_value.h"
+
+#include <string>
+
+namespace {
+
+class CMakeFiles
+{
+  cmFileAPI& FileAPI;
+  unsigned long Version;
+  std::string CMakeModules;
+  std::string const& TopSource;
+  std::string const& TopBuild;
+  bool OutOfSource;
+
+  Json::Value DumpPaths();
+  Json::Value DumpInputs();
+  Json::Value DumpInput(std::string const& file);
+
+public:
+  CMakeFiles(cmFileAPI& fileAPI, unsigned long version);
+  Json::Value Dump();
+};
+
+CMakeFiles::CMakeFiles(cmFileAPI& fileAPI, unsigned long version)
+  : FileAPI(fileAPI)
+  , Version(version)
+  , CMakeModules(cmSystemTools::GetCMakeRoot() + "/Modules")
+  , TopSource(this->FileAPI.GetCMakeInstance()->GetHomeDirectory())
+  , TopBuild(this->FileAPI.GetCMakeInstance()->GetHomeOutputDirectory())
+  , OutOfSource(TopBuild != TopSource)
+{
+  static_cast<void>(this->Version);
+}
+
+Json::Value CMakeFiles::Dump()
+{
+  Json::Value cmakeFiles = Json::objectValue;
+  cmakeFiles["paths"] = this->DumpPaths();
+  cmakeFiles["inputs"] = DumpInputs();
+  return cmakeFiles;
+}
+
+Json::Value CMakeFiles::DumpPaths()
+{
+  Json::Value paths = Json::objectValue;
+  paths["source"] = this->TopSource;
+  paths["build"] = this->TopBuild;
+  return paths;
+}
+
+Json::Value CMakeFiles::DumpInputs()
+{
+  Json::Value inputs = Json::arrayValue;
+
+  cmGlobalGenerator* gg =
+    this->FileAPI.GetCMakeInstance()->GetGlobalGenerator();
+  for (cmLocalGenerator const* lg : gg->GetLocalGenerators()) {
+    cmMakefile const* mf = lg->GetMakefile();
+    for (std::string const& file : mf->GetListFiles()) {
+      inputs.append(this->DumpInput(file));
+    }
+  }
+
+  return inputs;
+}
+
+Json::Value CMakeFiles::DumpInput(std::string const& file)
+{
+  Json::Value input = Json::objectValue;
+
+  bool const isCMake = cmSystemTools::IsSubDirectory(file, this->CMakeModules);
+  if (isCMake) {
+    input["isCMake"] = true;
+  }
+
+  if (!cmSystemTools::IsSubDirectory(file, this->TopSource) &&
+      !cmSystemTools::IsSubDirectory(file, this->TopBuild)) {
+    input["isExternal"] = true;
+  }
+
+  if (this->OutOfSource &&
+      cmSystemTools::IsSubDirectory(file, this->TopBuild)) {
+    input["isGenerated"] = true;
+  }
+
+  std::string path = file;
+  if (!isCMake && cmSystemTools::IsSubDirectory(path, this->TopSource)) {
+    // Use a relative path within the source directory.
+    path = cmSystemTools::RelativePath(this->TopSource, path);
+  }
+  input["path"] = path;
+
+  return input;
+}
+}
+
+Json::Value cmFileAPICMakeFilesDump(cmFileAPI& fileAPI, unsigned long version)
+{
+  CMakeFiles cmakeFiles(fileAPI, version);
+  return cmakeFiles.Dump();
+}