From b0cd630521658ddf8f8547597ac9c24a725f20e7 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Fri, 23 Sep 2011 14:27:25 -0400
Subject: Refactor find_* command final path list computation

All find_* commands re-root the list of paths and then add trailing
slashes.  Factor this pair of calls out into a dedicated method.  The
new method would be the only caller to AddTrailingSlashes, so subsume
that method into it.
---
 Source/cmFindBase.cxx           |  6 +-----
 Source/cmFindCommon.cxx         |  7 ++++++-
 Source/cmFindCommon.h           |  4 ++--
 Source/cmFindPackageCommand.cxx | 14 +-------------
 Source/cmFindPackageCommand.h   |  1 -
 5 files changed, 10 insertions(+), 22 deletions(-)

diff --git a/Source/cmFindBase.cxx b/Source/cmFindBase.cxx
index ce9deb1..183da4a 100644
--- a/Source/cmFindBase.cxx
+++ b/Source/cmFindBase.cxx
@@ -299,11 +299,7 @@ bool cmFindBase::ParseArguments(std::vector<std::string> const& argsIn)
   this->GetIgnoredPaths(ignored);
   this->FilterPaths(this->SearchPaths, ignored);
 
-  // Handle search root stuff.
-  this->RerootPaths(this->SearchPaths);
-
-  // Add a trailing slash to all prefixes to aid the search process.
-  this->AddTrailingSlashes(this->SearchPaths);
+  this->ComputeFinalPaths();
 
   return true;
 }
diff --git a/Source/cmFindCommon.cxx b/Source/cmFindCommon.cxx
index a05e337..b44864e 100644
--- a/Source/cmFindCommon.cxx
+++ b/Source/cmFindCommon.cxx
@@ -471,8 +471,13 @@ void cmFindCommon::AddPathInternal(std::string const& in_path,
 }
 
 //----------------------------------------------------------------------------
-void cmFindCommon::AddTrailingSlashes(std::vector<std::string>& paths)
+void cmFindCommon::ComputeFinalPaths()
 {
+  std::vector<std::string>& paths = this->SearchPaths;
+
+  // Expand list of paths inside all search roots.
+  this->RerootPaths(paths);
+
   // Add a trailing slash to all paths to aid the search process.
   for(std::vector<std::string>::iterator i = paths.begin();
       i != paths.end(); ++i)
diff --git a/Source/cmFindCommon.h b/Source/cmFindCommon.h
index 875c223..542805f 100644
--- a/Source/cmFindCommon.h
+++ b/Source/cmFindCommon.h
@@ -47,8 +47,8 @@ protected:
   void FilterPaths(std::vector<std::string>& paths,
                    const std::set<std::string>& ignore);
 
-  /** Add trailing slashes to all search paths.  */
-  void AddTrailingSlashes(std::vector<std::string>& paths);
+  /** Compute final search path list (reroot + trailing slash).  */
+  void ComputeFinalPaths();
 
   /** Compute the current default root path mode.  */
   void SelectDefaultRootPathMode();
diff --git a/Source/cmFindPackageCommand.cxx b/Source/cmFindPackageCommand.cxx
index 2e72b58..7d3f09b 100644
--- a/Source/cmFindPackageCommand.cxx
+++ b/Source/cmFindPackageCommand.cxx
@@ -1243,7 +1243,7 @@ void cmFindPackageCommand::ComputePrefixes()
   this->AddPrefixesCMakeSystemVariable();
   this->AddPrefixesSystemRegistry();
   this->AddPrefixesUserGuess();
-  this->ComputeFinalPrefixes();
+  this->ComputeFinalPaths();
 }
 
 //----------------------------------------------------------------------------
@@ -1574,18 +1574,6 @@ void cmFindPackageCommand::AddPrefixesUserHints()
 }
 
 //----------------------------------------------------------------------------
-void cmFindPackageCommand::ComputeFinalPrefixes()
-{
-  std::vector<std::string>& prefixes = this->SearchPaths;
-
-  // Construct the final set of prefixes.
-  this->RerootPaths(prefixes);
-
-  // Add a trailing slash to all prefixes to aid the search process.
-  this->AddTrailingSlashes(prefixes);
-}
-
-//----------------------------------------------------------------------------
 bool cmFindPackageCommand::SearchDirectory(std::string const& dir)
 {
   assert(!dir.empty() && dir[dir.size()-1] == '/');
diff --git a/Source/cmFindPackageCommand.h b/Source/cmFindPackageCommand.h
index 2b2e1da..e736352 100644
--- a/Source/cmFindPackageCommand.h
+++ b/Source/cmFindPackageCommand.h
@@ -93,7 +93,6 @@ private:
   void AddPrefixesCMakeSystemVariable();
   void AddPrefixesUserGuess();
   void AddPrefixesUserHints();
-  void ComputeFinalPrefixes();
   void LoadPackageRegistryDir(std::string const& dir);
   void LoadPackageRegistryWinUser();
   void LoadPackageRegistryWinSystem();
-- 
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