STYLE: create command documentation for ctest

I think some of the cmake commands should be removed from ctest if possible,
like add_executable etc.

Alex

Source/CTest/cmCTestScriptHandler.cxx

@@ -283,6 +283,46 @@ int cmCTestScriptHandler::ExecuteScript(const std::string& total_script_arg)
   return retVal;
 }
 
+void cmCTestScriptHandler::CreateCMake()
+{
+  // create a cmake instance to read the configuration script
+  if (this->CMake)
+    {
+    delete this->CMake;
+    delete this->GlobalGenerator;
+    delete this->LocalGenerator;
+    }
+  this->CMake = new cmake;
+  this->CMake->AddCMakePaths(this->CTest->GetCTestExecutable());
+  this->GlobalGenerator = new cmGlobalGenerator;
+  this->GlobalGenerator->SetCMakeInstance(this->CMake);
+
+  this->LocalGenerator = this->GlobalGenerator->CreateLocalGenerator();
+  this->LocalGenerator->SetGlobalGenerator(this->GlobalGenerator);
+  this->Makefile = this->LocalGenerator->GetMakefile();
+
+
+  // add any ctest specific commands, probably should have common superclass
+  // for ctest commands to clean this up. If a couple more commands are
+  // created with the same format lets do that - ken
+  this->AddCTestCommand(new cmCTestBuildCommand);
+  this->AddCTestCommand(new cmCTestConfigureCommand);
+  this->AddCTestCommand(new cmCTestCoverageCommand);
+  this->AddCTestCommand(new cmCTestEmptyBinaryDirectoryCommand);
+  this->AddCTestCommand(new cmCTestMemCheckCommand);
+  this->AddCTestCommand(new cmCTestReadCustomFilesCommand);
+  this->AddCTestCommand(new cmCTestRunScriptCommand);
+  this->AddCTestCommand(new cmCTestSleepCommand);
+  this->AddCTestCommand(new cmCTestStartCommand);
+  this->AddCTestCommand(new cmCTestSubmitCommand);
+  this->AddCTestCommand(new cmCTestTestCommand);
+  this->AddCTestCommand(new cmCTestUpdateCommand);
+}
+
+void cmCTestScriptHandler::GetCommandDocumentation(std::vector<cmDocumentationEntry>& v) const
+{
+  this->CMake->GetCommandDocumentation(v);
+}
 
 //----------------------------------------------------------------------
 // this sets up some variables for the script to use, creates the required
@@ -307,22 +347,9 @@ int cmCTestScriptHandler::ReadInScript(const std::string& total_script_arg)
     return 1;
     }
 
-  // create a cmake instance to read the configuration script
   // read in the list file to fill the cache
-  if (this->CMake)
-    {
-    delete this->CMake;
-    delete this->GlobalGenerator;
-    delete this->LocalGenerator;
-    }
-  this->CMake = new cmake;
-  this->CMake->AddCMakePaths(this->CTest->GetCTestExecutable());
-  this->GlobalGenerator = new cmGlobalGenerator;
-  this->GlobalGenerator->SetCMakeInstance(this->CMake);
-
-  this->LocalGenerator = this->GlobalGenerator->CreateLocalGenerator();
-  this->LocalGenerator->SetGlobalGenerator(this->GlobalGenerator);
-  this->Makefile = this->LocalGenerator->GetMakefile();
+  // create a cmake instance to read the configuration script
+  this->CreateCMake();
 
   // set a variable with the path to the current script
   this->Makefile->AddDefinition("CTEST_SCRIPT_DIRECTORY",
@@ -336,22 +363,6 @@ int cmCTestScriptHandler::ReadInScript(const std::string& total_script_arg)
   this->Makefile->AddDefinition("CTEST_RUN_CURRENT_SCRIPT", true);
   this->UpdateElapsedTime();
 
-  // add any ctest specific commands, probably should have common superclass
-  // for ctest commands to clean this up. If a couple more commands are
-  // created with the same format lets do that - ken
-  this->AddCTestCommand(new cmCTestBuildCommand);
-  this->AddCTestCommand(new cmCTestConfigureCommand);
-  this->AddCTestCommand(new cmCTestCoverageCommand);
-  this->AddCTestCommand(new cmCTestEmptyBinaryDirectoryCommand);
-  this->AddCTestCommand(new cmCTestMemCheckCommand);
-  this->AddCTestCommand(new cmCTestReadCustomFilesCommand);
-  this->AddCTestCommand(new cmCTestRunScriptCommand);
-  this->AddCTestCommand(new cmCTestSleepCommand);
-  this->AddCTestCommand(new cmCTestStartCommand);
-  this->AddCTestCommand(new cmCTestSubmitCommand);
-  this->AddCTestCommand(new cmCTestTestCommand);
-  this->AddCTestCommand(new cmCTestUpdateCommand);
-
   // add the script arg if defined
   if (script_arg.size())
     {

Source/CTest/cmCTestScriptHandler.h

@@ -108,6 +108,9 @@ public:
 
   void Initialize();
 
+  void CreateCMake();
+  void GetCommandDocumentation(std::vector<cmDocumentationEntry>& v) const;
+
 private:
   // reads in a script
   int ReadInScript(const std::string& total_script_arg);

Source/cmDocumentation.cxx

@@ -301,28 +301,31 @@ bool cmDocumentation::PrintDocumentation(Type ht, std::ostream& os)
 //----------------------------------------------------------------------------
 bool cmDocumentation::CreateModulesSection()
 {
-  this->ModulesSection.Append(cmDocumentationModulesHeader[0]);
   std::string cmakeModules = this->CMakeRoot;
   cmakeModules += "/Modules";
   cmsys::Directory dir;
   dir.Load(cmakeModules.c_str());
-  for(unsigned int i = 0; i < dir.GetNumberOfFiles(); ++i)
+  if (dir.GetNumberOfFiles() > 0)
     {
-    std::string fname = dir.GetFile(i);
-    if(fname.length() > 6)
+    this->ModulesSection.Append(cmDocumentationModulesHeader[0]);
+    for(unsigned int i = 0; i < dir.GetNumberOfFiles(); ++i)
       {
-      if(fname.substr(fname.length()-6, 6) == ".cmake")
+      std::string fname = dir.GetFile(i);
+      if(fname.length() > 6)
         {
-        std::string moduleName = fname.substr(0, fname.length()-6);
-        std::string path = cmakeModules;
-        path += "/";
-        path += fname;
-        this->CreateSingleModule(path.c_str(), moduleName.c_str());
+        if(fname.substr(fname.length()-6, 6) == ".cmake")
+          {
+          std::string moduleName = fname.substr(0, fname.length()-6);
+          std::string path = cmakeModules;
+          path += "/";
+          path += fname;
+          this->CreateSingleModule(path.c_str(), moduleName.c_str());
+          }
         }
       } 
+    cmDocumentationEntry e = { 0, 0, 0 };
+    this->ModulesSection.Append(e);
     }
-  cmDocumentationEntry e = { 0, 0, 0 };
-  this->ModulesSection.Append(e);
   return true;
 }
 

Source/ctest.cxx

@@ -21,6 +21,7 @@
 #include "cmake.h"
 #include "cmDocumentation.h"
 
+#include "CTest/cmCTestScriptHandler.h"
 
 //----------------------------------------------------------------------------
 static const cmDocumentationEntry cmDocumentationName[] =
@@ -236,11 +237,18 @@ int main (int argc, char *argv[])
     if(doc.CheckOptions(argc, argv) || nocwd)
       {
       // Construct and print requested documentation.
+      std::vector<cmDocumentationEntry> commands;
+      cmCTestScriptHandler* ch =
+                 static_cast<cmCTestScriptHandler*>(inst.GetHandler("script"));
+      ch->CreateCMake();
+      ch->GetCommandDocumentation(commands);
+
       doc.SetName("ctest");
       doc.SetNameSection(cmDocumentationName);
       doc.SetUsageSection(cmDocumentationUsage);
       doc.SetDescriptionSection(cmDocumentationDescription);
       doc.SetOptionsSection(cmDocumentationOptions);
+      doc.SetCommandsSection(&commands[0]);
       doc.SetSeeAlsoList(cmDocumentationSeeAlso);
 #ifdef cout
 #  undef cout