Revise C++ coding style using clang-format

Run the `Utilities/Scripts/clang-format.bash` script to update
all our C++ code to a new style defined by `.clang-format`.
Use `clang-format` version 3.8.

* If you reached this commit for a line in `git blame`, re-run the blame
  operation starting at the parent of this commit to see older history
  for the content.

* See the parent commit for instructions to rebase a change across this
  style transition commit.

1 files changed, 39 insertions, 62 deletions

diff --git a/Source/cmIncludeDirectoryCommand.cxx b/Source/cmIncludeDirectoryCommand.cxx
index 5c28cfd..cafdba7 100644
--- a/Source/cmIncludeDirectoryCommand.cxx
+++ b/Source/cmIncludeDirectoryCommand.cxx
@@ -12,68 +12,55 @@
 #include "cmIncludeDirectoryCommand.h"
 
 // cmIncludeDirectoryCommand
-bool cmIncludeDirectoryCommand
-::InitialPass(std::vector<std::string> const& args, cmExecutionStatus &)
+bool cmIncludeDirectoryCommand::InitialPass(
+  std::vector<std::string> const& args, cmExecutionStatus&)
 {
-  if(args.size() < 1 )
-    {
+  if (args.size() < 1) {
     return true;
-    }
+  }
 
   std::vector<std::string>::const_iterator i = args.begin();
 
   bool before = this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
   bool system = false;
 
-  if ((*i) == "BEFORE")
-    {
+  if ((*i) == "BEFORE") {
     before = true;
     ++i;
-    }
-  else if ((*i) == "AFTER")
-    {
+  } else if ((*i) == "AFTER") {
     before = false;
     ++i;
-    }
+  }
 
   std::vector<std::string> beforeIncludes;
   std::vector<std::string> afterIncludes;
   std::set<std::string> systemIncludes;
 
-  for(; i != args.end(); ++i)
-    {
-    if(*i == "SYSTEM")
-      {
+  for (; i != args.end(); ++i) {
+    if (*i == "SYSTEM") {
       system = true;
       continue;
-      }
-    if(i->empty())
-      {
+    }
+    if (i->empty()) {
       this->SetError("given empty-string as include directory.");
       return false;
-      }
+    }
 
     std::vector<std::string> includes;
 
     this->GetIncludes(*i, includes);
 
-    if (before)
-      {
-      beforeIncludes.insert(beforeIncludes.end(),
-                            includes.begin(),
+    if (before) {
+      beforeIncludes.insert(beforeIncludes.end(), includes.begin(),
                             includes.end());
-      }
-    else
-      {
-      afterIncludes.insert(afterIncludes.end(),
-                           includes.begin(),
+    } else {
+      afterIncludes.insert(afterIncludes.end(), includes.begin(),
                            includes.end());
-      }
-    if (system)
-      {
+    }
+    if (system) {
       systemIncludes.insert(includes.begin(), includes.end());
-      }
     }
+  }
   std::reverse(beforeIncludes.begin(), beforeIncludes.end());
 
   this->Makefile->AddIncludeDirectories(afterIncludes);
@@ -83,7 +70,7 @@ bool cmIncludeDirectoryCommand
   return true;
 }
 
-static bool StartsWithGeneratorExpression(const std::string &input)
+static bool StartsWithGeneratorExpression(const std::string& input)
 {
   return input[0] == '$' && input[1] == '<';
 }
@@ -100,60 +87,50 @@ static bool StartsWithGeneratorExpression(const std::string &input)
 // output from a program and passing it into a command the cleanup doesn't
 // always happen
 //
-void cmIncludeDirectoryCommand::GetIncludes(const std::string &arg,
-                                            std::vector<std::string> &incs)
+void cmIncludeDirectoryCommand::GetIncludes(const std::string& arg,
+                                            std::vector<std::string>& incs)
 {
   // break apart any line feed arguments
   std::string::size_type pos = 0;
   std::string::size_type lastPos = 0;
-  while((pos = arg.find('\n', lastPos)) != std::string::npos)
-    {
-    if (pos)
-      {
-      std::string inc = arg.substr(lastPos,pos);
+  while ((pos = arg.find('\n', lastPos)) != std::string::npos) {
+    if (pos) {
+      std::string inc = arg.substr(lastPos, pos);
       this->NormalizeInclude(inc);
-      if (!inc.empty())
-        {
+      if (!inc.empty()) {
         incs.push_back(inc);
-        }
       }
-    lastPos = pos + 1;
     }
+    lastPos = pos + 1;
+  }
   std::string inc = arg.substr(lastPos);
   this->NormalizeInclude(inc);
-  if (!inc.empty())
-    {
+  if (!inc.empty()) {
     incs.push_back(inc);
-    }
+  }
 }
 
-void cmIncludeDirectoryCommand::NormalizeInclude(std::string &inc)
+void cmIncludeDirectoryCommand::NormalizeInclude(std::string& inc)
 {
   std::string::size_type b = inc.find_first_not_of(" \r");
   std::string::size_type e = inc.find_last_not_of(" \r");
-  if ((b!=inc.npos) && (e!=inc.npos))
-    {
-    inc.assign(inc, b, 1+e-b);   // copy the remaining substring
-    }
-  else
-    {
+  if ((b != inc.npos) && (e != inc.npos)) {
+    inc.assign(inc, b, 1 + e - b); // copy the remaining substring
+  } else {
     inc = "";
     return;
-    }
+  }
 
-  if (!cmSystemTools::IsOff(inc.c_str()))
-    {
+  if (!cmSystemTools::IsOff(inc.c_str())) {
     cmSystemTools::ConvertToUnixSlashes(inc);
 
-    if(!cmSystemTools::FileIsFullPath(inc.c_str()))
-      {
-      if(!StartsWithGeneratorExpression(inc))
-        {
+    if (!cmSystemTools::FileIsFullPath(inc.c_str())) {
+      if (!StartsWithGeneratorExpression(inc)) {
         std::string tmp = this->Makefile->GetCurrentSourceDirectory();
         tmp += "/";
         tmp += inc;
         inc = tmp;
-        }
       }
     }
+  }
 }