Merge topic 'cleanup-Convert'

6afd35b9 cmState: remove unused code
8d47a20f cmOutputConverter: use new ConvertToRelativePath signature internally
149af87b cmOutputConverter: split ConvertToRelativePath

4 files changed, 75 insertions, 77 deletions

diff --git a/Source/cmOutputConverter.cxx b/Source/cmOutputConverter.cxx
index d44fbb7..ae7c583 100644
--- a/Source/cmOutputConverter.cxx
+++ b/Source/cmOutputConverter.cxx
@@ -54,21 +54,19 @@ std::string cmOutputConverter::ConvertToRelativePath(
   switch (relative) {
     case HOME:
       result = this->ConvertToRelativePath(
-        this->GetState()->GetSourceDirectoryComponents(), source);
+        this->GetState()->GetSourceDirectory(), source);
       break;
     case START:
       result = this->ConvertToRelativePath(
-        this->StateSnapshot.GetDirectory().GetCurrentSourceComponents(),
-        source);
+        this->StateSnapshot.GetDirectory().GetCurrentSource(), source);
       break;
     case HOME_OUTPUT:
       result = this->ConvertToRelativePath(
-        this->GetState()->GetBinaryDirectoryComponents(), source);
+        this->GetState()->GetBinaryDirectory(), source);
       break;
     case START_OUTPUT:
       result = this->ConvertToRelativePath(
-        this->StateSnapshot.GetDirectory().GetCurrentBinaryComponents(),
-        source);
+        this->StateSnapshot.GetDirectory().GetCurrentBinary(), source);
       break;
   }
   return result;
@@ -128,41 +126,67 @@ std::string cmOutputConverter::ConvertToRelativePath(
   const std::vector<std::string>& local, const std::string& in_remote,
   bool force) const
 {
-  // The path should never be quoted.
-  assert(in_remote[0] != '\"');
+  std::string local_path = cmSystemTools::JoinPath(local);
+  return force ? this->ForceToRelativePath(local_path, in_remote)
+               : this->ConvertToRelativePath(local_path, in_remote);
+}
+
+std::string cmOutputConverter::ConvertToRelativePath(
+  std::string const& local_path, std::string const& remote_path) const
+{
+  // The paths should never be quoted.
+  assert(local_path[0] != '\"');
+  assert(remote_path[0] != '\"');
 
   // The local path should never have a trailing slash.
-  assert(!local.empty() && !(local[local.size() - 1] == ""));
+  assert(local_path.empty() || local_path[local_path.size() - 1] != '/');
 
   // If the path is already relative then just return the path.
-  if (!cmSystemTools::FileIsFullPath(in_remote.c_str())) {
-    return in_remote;
-  }
-
-  if (!force) {
-    // Skip conversion if the path and local are not both in the source
-    // or both in the binary tree.
-    std::string local_path = cmSystemTools::JoinPath(local);
-    if (!((cmOutputConverterNotAbove(
-             local_path.c_str(),
-             this->StateSnapshot.GetDirectory().GetRelativePathTopBinary()) &&
-           cmOutputConverterNotAbove(
-             in_remote.c_str(),
-             this->StateSnapshot.GetDirectory().GetRelativePathTopBinary())) ||
-          (cmOutputConverterNotAbove(
-             local_path.c_str(),
-             this->StateSnapshot.GetDirectory().GetRelativePathTopSource()) &&
-           cmOutputConverterNotAbove(in_remote.c_str(),
-                                     this->StateSnapshot.GetDirectory()
-                                       .GetRelativePathTopSource())))) {
-      return in_remote;
-    }
+  if (!cmSystemTools::FileIsFullPath(remote_path.c_str())) {
+    return remote_path;
+  }
+
+  // Skip conversion if the path and local are not both in the source
+  // or both in the binary tree.
+  if (!((cmOutputConverterNotAbove(
+           local_path.c_str(),
+           this->StateSnapshot.GetDirectory().GetRelativePathTopBinary()) &&
+         cmOutputConverterNotAbove(
+           remote_path.c_str(),
+           this->StateSnapshot.GetDirectory().GetRelativePathTopBinary())) ||
+        (cmOutputConverterNotAbove(
+           local_path.c_str(),
+           this->StateSnapshot.GetDirectory().GetRelativePathTopSource()) &&
+         cmOutputConverterNotAbove(
+           remote_path.c_str(),
+           this->StateSnapshot.GetDirectory().GetRelativePathTopSource())))) {
+    return remote_path;
+  }
+
+  return this->ForceToRelativePath(local_path, remote_path);
+}
+
+std::string cmOutputConverter::ForceToRelativePath(
+  std::string const& local_path, std::string const& remote_path)
+{
+  // The paths should never be quoted.
+  assert(local_path[0] != '\"');
+  assert(remote_path[0] != '\"');
+
+  // The local path should never have a trailing slash.
+  assert(local_path.empty() || local_path[local_path.size() - 1] != '/');
+
+  // If the path is already relative then just return the path.
+  if (!cmSystemTools::FileIsFullPath(remote_path.c_str())) {
+    return remote_path;
   }
 
   // Identify the longest shared path component between the remote
   // path and the local path.
+  std::vector<std::string> local;
+  cmSystemTools::SplitPath(local_path, local);
   std::vector<std::string> remote;
-  cmSystemTools::SplitPath(in_remote, remote);
+  cmSystemTools::SplitPath(remote_path, remote);
   unsigned int common = 0;
   while (common < remote.size() && common < local.size() &&
          cmSystemTools::ComparePath(remote[common], local[common])) {
@@ -171,7 +195,7 @@ std::string cmOutputConverter::ConvertToRelativePath(
 
   // If no part of the path is in common then return the full path.
   if (common == 0) {
-    return in_remote;
+    return remote_path;
   }
 
   // If the entire path is in common then just return a ".".
diff --git a/Source/cmOutputConverter.h b/Source/cmOutputConverter.h
index ac58ddc..1efe109 100644
--- a/Source/cmOutputConverter.h
+++ b/Source/cmOutputConverter.h
@@ -145,6 +145,24 @@ public:
                                     const std::string& in_remote,
                                     bool force = false) const;
 
+  /**
+   * Convert the given remote path to a relative path with respect to
+   * the given local path.  Both paths must use forward slashes and not
+   * already be escaped or quoted.
+   * The conversion is skipped if the paths are not both in the source
+   * or both in the binary tree.
+   */
+  std::string ConvertToRelativePath(std::string const& local_path,
+                                    std::string const& remote_path) const;
+
+  /**
+   * Convert the given remote path to a relative path with respect to
+   * the given local path.  Both paths must use forward slashes and not
+   * already be escaped or quoted.
+   */
+  static std::string ForceToRelativePath(std::string const& local_path,
+                                         std::string const& remote_path);
+
 private:
   cmState* GetState() const;
 
diff --git a/Source/cmState.cxx b/Source/cmState.cxx
index 073c239..ffb104b 100644
--- a/Source/cmState.cxx
+++ b/Source/cmState.cxx
@@ -77,8 +77,6 @@ struct cmState::BuildsystemDirectoryStateType
   std::string Location;
   std::string OutputLocation;
 
-  std::vector<std::string> CurrentSourceDirectoryComponents;
-  std::vector<std::string> CurrentBinaryDirectoryComponents;
   // The top-most directories for relative path conversion.  Both the
   // source and destination location of a relative path conversion
   // must be underneath one of these directories (both under source or
@@ -591,10 +589,6 @@ void cmState::SetSourceDirectory(std::string const& sourceDirectory)
 {
   this->SourceDirectory = sourceDirectory;
   cmSystemTools::ConvertToUnixSlashes(this->SourceDirectory);
-
-  cmSystemTools::SplitPath(
-    cmSystemTools::CollapseFullPath(this->SourceDirectory),
-    this->SourceDirectoryComponents);
 }
 
 const char* cmState::GetSourceDirectory() const
@@ -602,19 +596,10 @@ const char* cmState::GetSourceDirectory() const
   return this->SourceDirectory.c_str();
 }
 
-std::vector<std::string> const& cmState::GetSourceDirectoryComponents() const
-{
-  return this->SourceDirectoryComponents;
-}
-
 void cmState::SetBinaryDirectory(std::string const& binaryDirectory)
 {
   this->BinaryDirectory = binaryDirectory;
   cmSystemTools::ConvertToUnixSlashes(this->BinaryDirectory);
-
-  cmSystemTools::SplitPath(
-    cmSystemTools::CollapseFullPath(this->BinaryDirectory),
-    this->BinaryDirectoryComponents);
 }
 
 void cmState::SetWindowsShell(bool windowsShell)
@@ -692,11 +677,6 @@ const char* cmState::GetBinaryDirectory() const
   return this->BinaryDirectory.c_str();
 }
 
-std::vector<std::string> const& cmState::GetBinaryDirectoryComponents() const
-{
-  return this->BinaryDirectoryComponents;
-}
-
 void cmState::Directory::ComputeRelativePathTopSource()
 {
   // Relative path conversion inside the source tree is not used to
@@ -978,8 +958,6 @@ void cmState::Directory::SetCurrentSource(std::string const& dir)
   cmSystemTools::ConvertToUnixSlashes(loc);
   loc = cmSystemTools::CollapseFullPath(loc);
 
-  cmSystemTools::SplitPath(
-    loc, this->DirectoryState->CurrentSourceDirectoryComponents);
   this->ComputeRelativePathTopSource();
 
   this->Snapshot_.SetDefinition("CMAKE_CURRENT_SOURCE_DIR", loc);
@@ -997,8 +975,6 @@ void cmState::Directory::SetCurrentBinary(std::string const& dir)
   cmSystemTools::ConvertToUnixSlashes(loc);
   loc = cmSystemTools::CollapseFullPath(loc);
 
-  cmSystemTools::SplitPath(
-    loc, this->DirectoryState->CurrentBinaryDirectoryComponents);
   this->ComputeRelativePathTopBinary();
 
   this->Snapshot_.SetDefinition("CMAKE_CURRENT_BINARY_DIR", loc);
@@ -1009,18 +985,6 @@ void cmState::Snapshot::SetListFile(const std::string& listfile)
   *this->Position->ExecutionListFile = listfile;
 }
 
-std::vector<std::string> const&
-cmState::Directory::GetCurrentSourceComponents() const
-{
-  return this->DirectoryState->CurrentSourceDirectoryComponents;
-}
-
-std::vector<std::string> const&
-cmState::Directory::GetCurrentBinaryComponents() const
-{
-  return this->DirectoryState->CurrentBinaryDirectoryComponents;
-}
-
 const char* cmState::Directory::GetRelativePathTopSource() const
 {
   return this->DirectoryState->RelativePathTopSource.c_str();
diff --git a/Source/cmState.h b/Source/cmState.h
index 9ab4213..0fac42c 100644
--- a/Source/cmState.h
+++ b/Source/cmState.h
@@ -135,9 +135,6 @@ public:
     const char* GetCurrentBinary() const;
     void SetCurrentBinary(std::string const& dir);
 
-    std::vector<std::string> const& GetCurrentSourceComponents() const;
-    std::vector<std::string> const& GetCurrentBinaryComponents() const;
-
     const char* GetRelativePathTopSource() const;
     const char* GetRelativePathTopBinary() const;
     void SetRelativePathTopSource(const char* dir);
@@ -312,9 +309,6 @@ public:
   const char* GetBinaryDirectory() const;
   void SetBinaryDirectory(std::string const& binaryDirectory);
 
-  std::vector<std::string> const& GetSourceDirectoryComponents() const;
-  std::vector<std::string> const& GetBinaryDirectoryComponents() const;
-
   void SetWindowsShell(bool windowsShell);
   bool UseWindowsShell() const;
   void SetWindowsVSIDE(bool windowsVSIDE);
@@ -350,8 +344,6 @@ private:
   cmLinkedTree<SnapshotDataType> SnapshotData;
   cmLinkedTree<cmDefinitions> VarTree;
 
-  std::vector<std::string> SourceDirectoryComponents;
-  std::vector<std::string> BinaryDirectoryComponents;
   std::string SourceDirectory;
   std::string BinaryDirectory;
   bool IsInTryCompile;