ENH: move relative path to parent generator class

1 files changed, 66 insertions, 0 deletions

diff --git a/Source/cmLocalGenerator.cxx b/Source/cmLocalGenerator.cxx
index 6389300..2c7f21d 100644
--- a/Source/cmLocalGenerator.cxx
+++ b/Source/cmLocalGenerator.cxx
@@ -54,9 +54,75 @@ void cmLocalGenerator::SetGlobalGenerator(cmGlobalGenerator *gg)
     gg->GetCMakeInstance()->GetHomeDirectory());
   m_Makefile->SetHomeOutputDirectory(
     gg->GetCMakeInstance()->GetHomeOutputDirectory());
+  
 }
 
+
 void cmLocalGenerator::ConfigureFinalPass()
 { 
   m_Makefile->ConfigureFinalPass(); 
 }
+
+std::string cmLocalGenerator::ConvertToRelativeOutputPath(const char* p)
+{
+  // The first time this is called, initialize all
+  // the path ivars that are used.   This can not 
+  // be moved to the constructor because all the paths are not set yet.
+  if(m_CurrentOutputDirectory.size() == 0)
+    {
+    m_CurrentOutputDirectory = m_Makefile->GetCurrentOutputDirectory();
+    m_HomeOutputDirectory =  m_Makefile->GetHomeOutputDirectory();
+    m_HomeDirectory = m_Makefile->GetHomeDirectory();
+#if defined(_WIN32) || defined(__APPLE__)
+    m_CurrentOutputDirectory = cmSystemTools::LowerCase(m_CurrentOutputDirectory);
+    m_HomeOutputDirectory = cmSystemTools::LowerCase(m_HomeOutputDirectory);
+    m_HomeDirectory = cmSystemTools::LowerCase(m_HomeDirectory);
+#endif
+    if(m_RelativePathToSourceDir.size() == 0)
+      {
+      m_RelativePathToSourceDir = cmSystemTools::RelativePath(
+        m_CurrentOutputDirectory.c_str(),
+        m_HomeDirectory.c_str());
+      std::string path = m_CurrentOutputDirectory;
+      cmSystemTools::ReplaceString(path, m_HomeOutputDirectory.c_str(), "");
+      unsigned i;
+      m_RelativePathToBinaryDir = "";
+      for(i =0; i < path.size(); ++i)
+        {
+        if(path[i] == '/')
+          {
+          m_RelativePathToBinaryDir += "../";
+          }
+        }
+      }
+    m_HomeOutputDirectoryNoSlash = m_HomeOutputDirectory;
+    m_HomeOutputDirectory += "/";
+    m_CurrentOutputDirectory += "/";
+    }
+
+  // Do the work of converting to a relative path 
+  std::string pathIn = p;
+#if defined(_WIN32) || defined(__APPLE__)
+  pathIn = cmSystemTools::LowerCase(pathIn);
+#endif
+
+  std::string ret = pathIn;
+  cmSystemTools::ReplaceString(ret, m_CurrentOutputDirectory.c_str(), "");
+  cmSystemTools::ReplaceString(ret, m_HomeDirectory.c_str(),
+                               m_RelativePathToSourceDir.c_str());
+  cmSystemTools::ReplaceString(ret, m_HomeOutputDirectory.c_str(),
+                               m_RelativePathToBinaryDir.c_str());
+  std::string relpath = m_RelativePathToBinaryDir;
+  if(relpath.size())
+    {
+    relpath.erase(relpath.size()-1, 1);
+    }
+  else
+    {
+    relpath = ".";
+    }
+  cmSystemTools::ReplaceString(ret, m_HomeOutputDirectoryNoSlash.c_str(),
+                               relpath.c_str());
+  ret = cmSystemTools::ConvertToOutputPath(ret.c_str());
+  return ret;
+}