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, 103 insertions, 145 deletions

diff --git a/Source/cmArchiveWrite.cxx b/Source/cmArchiveWrite.cxx
index 399c513585..a0150ec60e 100644
--- a/Source/cmArchiveWrite.cxx
+++ b/Source/cmArchiveWrite.cxx
@@ -19,17 +19,17 @@
 #include <cmsys/FStream.hxx>
 
 #ifndef __LA_SSIZE_T
-# define __LA_SSIZE_T la_ssize_t
+#define __LA_SSIZE_T la_ssize_t
 #endif
 
 static std::string cm_archive_error_string(struct archive* a)
 {
   const char* e = archive_error_string(a);
-  return e? e : "unknown error";
+  return e ? e : "unknown error";
 }
 
 static void cm_archive_entry_copy_pathname(struct archive_entry* e,
-  const std::string& dest)
+                                           const std::string& dest)
 {
 #if cmsys_STL_HAS_WSTRING
   archive_entry_copy_pathname_w(e, cmsys::Encoding::ToWide(dest).c_str());
@@ -39,7 +39,7 @@ static void cm_archive_entry_copy_pathname(struct archive_entry* e,
 }
 
 static void cm_archive_entry_copy_sourcepath(struct archive_entry* e,
-  const std::string& file)
+                                             const std::string& file)
 {
 #if cmsys_STL_HAS_WSTRING
   archive_entry_copy_sourcepath_w(e, cmsys::Encoding::ToWide(file).c_str());
@@ -51,8 +51,12 @@ static void cm_archive_entry_copy_sourcepath(struct archive_entry* e,
 class cmArchiveWrite::Entry
 {
   struct archive_entry* Object;
+
 public:
-  Entry(): Object(archive_entry_new()) {}
+  Entry()
+    : Object(archive_entry_new())
+  {
+  }
   ~Entry() { archive_entry_free(this->Object); }
   operator struct archive_entry*() { return this->Object; }
 };
@@ -60,115 +64,100 @@ public:
 struct cmArchiveWrite::Callback
 {
   // archive_write_callback
-  static __LA_SSIZE_T Write(struct archive*, void *cd,
-                            const void *b, size_t n)
-    {
+  static __LA_SSIZE_T Write(struct archive*, void* cd, const void* b, size_t n)
+  {
     cmArchiveWrite* self = static_cast<cmArchiveWrite*>(cd);
-    if(self->Stream.write(static_cast<const char*>(b),
-                          static_cast<std::streamsize>(n)))
-      {
+    if (self->Stream.write(static_cast<const char*>(b),
+                           static_cast<std::streamsize>(n))) {
       return static_cast<__LA_SSIZE_T>(n);
-      }
-    else
-      {
+    } else {
       return static_cast<__LA_SSIZE_T>(-1);
-      }
     }
+  }
 };
 
-cmArchiveWrite::cmArchiveWrite(
-  std::ostream& os, Compress c, std::string const& format):
-    Stream(os),
-    Archive(archive_write_new()),
-    Disk(archive_read_disk_new()),
-    Verbose(false),
-    Format(format)
+cmArchiveWrite::cmArchiveWrite(std::ostream& os, Compress c,
+                               std::string const& format)
+  : Stream(os)
+  , Archive(archive_write_new())
+  , Disk(archive_read_disk_new())
+  , Verbose(false)
+  , Format(format)
 {
-  switch (c)
-    {
+  switch (c) {
     case CompressNone:
-      if(archive_write_add_filter_none(this->Archive) != ARCHIVE_OK)
-        {
+      if (archive_write_add_filter_none(this->Archive) != ARCHIVE_OK) {
         this->Error = "archive_write_add_filter_none: ";
         this->Error += cm_archive_error_string(this->Archive);
         return;
-        }
+      }
       break;
     case CompressCompress:
-      if(archive_write_add_filter_compress(this->Archive) != ARCHIVE_OK)
-        {
+      if (archive_write_add_filter_compress(this->Archive) != ARCHIVE_OK) {
         this->Error = "archive_write_add_filter_compress: ";
         this->Error += cm_archive_error_string(this->Archive);
         return;
-        }
+      }
       break;
     case CompressGZip:
-      if(archive_write_add_filter_gzip(this->Archive) != ARCHIVE_OK)
-        {
+      if (archive_write_add_filter_gzip(this->Archive) != ARCHIVE_OK) {
         this->Error = "archive_write_add_filter_gzip: ";
         this->Error += cm_archive_error_string(this->Archive);
         return;
-        }
+      }
       break;
     case CompressBZip2:
-      if(archive_write_add_filter_bzip2(this->Archive) != ARCHIVE_OK)
-        {
+      if (archive_write_add_filter_bzip2(this->Archive) != ARCHIVE_OK) {
         this->Error = "archive_write_add_filter_bzip2: ";
         this->Error += cm_archive_error_string(this->Archive);
         return;
-        }
+      }
       break;
     case CompressLZMA:
-      if(archive_write_add_filter_lzma(this->Archive) != ARCHIVE_OK)
-        {
+      if (archive_write_add_filter_lzma(this->Archive) != ARCHIVE_OK) {
         this->Error = "archive_write_add_filter_lzma: ";
         this->Error += cm_archive_error_string(this->Archive);
         return;
-        }
+      }
       break;
     case CompressXZ:
-      if(archive_write_add_filter_xz(this->Archive) != ARCHIVE_OK)
-        {
+      if (archive_write_add_filter_xz(this->Archive) != ARCHIVE_OK) {
         this->Error = "archive_write_add_filter_xz: ";
         this->Error += cm_archive_error_string(this->Archive);
         return;
-        }
+      }
       break;
-    };
+  };
 #if !defined(_WIN32) || defined(__CYGWIN__)
-  if (archive_read_disk_set_standard_lookup(this->Disk) != ARCHIVE_OK)
-    {
+  if (archive_read_disk_set_standard_lookup(this->Disk) != ARCHIVE_OK) {
     this->Error = "archive_read_disk_set_standard_lookup: ";
     this->Error += cm_archive_error_string(this->Archive);
     return;
-    }
+  }
 #endif
 
-  if(archive_write_set_format_by_name(this->Archive, format.c_str())
-    != ARCHIVE_OK)
-    {
+  if (archive_write_set_format_by_name(this->Archive, format.c_str()) !=
+      ARCHIVE_OK) {
     this->Error = "archive_write_set_format_by_name: ";
     this->Error += cm_archive_error_string(this->Archive);
     return;
-    }
+  }
 
   // do not pad the last block!!
-  if (archive_write_set_bytes_in_last_block(this->Archive, 1))
-    {
+  if (archive_write_set_bytes_in_last_block(this->Archive, 1)) {
     this->Error = "archive_write_set_bytes_in_last_block: ";
     this->Error += cm_archive_error_string(this->Archive);
     return;
-    }
+  }
 
-  if(archive_write_open(
-       this->Archive, this, 0,
-       reinterpret_cast<archive_write_callback*>(&Callback::Write),
-       0) != ARCHIVE_OK)
-    {
+  if (archive_write_open(
+        this->Archive, this, 0,
+        reinterpret_cast<archive_write_callback*>(&Callback::Write),
+        0) != ARCHIVE_OK) {
     this->Error = "archive_write_open: ";
     this->Error += cm_archive_error_string(this->Archive);
     return;
-    }
+  }
 }
 
 cmArchiveWrite::~cmArchiveWrite()
@@ -177,205 +166,174 @@ cmArchiveWrite::~cmArchiveWrite()
   archive_write_free(this->Archive);
 }
 
-bool cmArchiveWrite::Add(std::string path,
-                         size_t skip,
-                         const char* prefix,
+bool cmArchiveWrite::Add(std::string path, size_t skip, const char* prefix,
                          bool recursive)
 {
-  if(this->Okay())
-    {
-    if(!path.empty() && path[path.size()-1] == '/')
-      {
-      path.erase(path.size()-1);
-      }
-    this->AddPath(path.c_str(), skip, prefix, recursive);
+  if (this->Okay()) {
+    if (!path.empty() && path[path.size() - 1] == '/') {
+      path.erase(path.size() - 1);
     }
+    this->AddPath(path.c_str(), skip, prefix, recursive);
+  }
   return this->Okay();
 }
 
-bool cmArchiveWrite::AddPath(const char* path,
-                             size_t skip, const char* prefix,
+bool cmArchiveWrite::AddPath(const char* path, size_t skip, const char* prefix,
                              bool recursive)
 {
-  if(!this->AddFile(path, skip, prefix))
-    {
+  if (!this->AddFile(path, skip, prefix)) {
     return false;
-    }
-  if((!cmSystemTools::FileIsDirectory(path) || !recursive) ||
-    cmSystemTools::FileIsSymlink(path))
-    {
+  }
+  if ((!cmSystemTools::FileIsDirectory(path) || !recursive) ||
+      cmSystemTools::FileIsSymlink(path)) {
     return true;
-    }
+  }
   cmsys::Directory d;
-  if(d.Load(path))
-    {
+  if (d.Load(path)) {
     std::string next = path;
     next += "/";
     std::string::size_type end = next.size();
     unsigned long n = d.GetNumberOfFiles();
-    for(unsigned long i = 0; i < n; ++i)
-      {
+    for (unsigned long i = 0; i < n; ++i) {
       const char* file = d.GetFile(i);
-      if(strcmp(file, ".") != 0 && strcmp(file, "..") != 0)
-        {
+      if (strcmp(file, ".") != 0 && strcmp(file, "..") != 0) {
         next.erase(end);
         next += file;
-        if(!this->AddPath(next.c_str(), skip, prefix))
-          {
+        if (!this->AddPath(next.c_str(), skip, prefix)) {
           return false;
-          }
         }
       }
     }
+  }
   return true;
 }
 
-bool cmArchiveWrite::AddFile(const char* file,
-                             size_t skip, const char* prefix)
+bool cmArchiveWrite::AddFile(const char* file, size_t skip, const char* prefix)
 {
   // Skip the file if we have no name for it.  This may happen on a
   // top-level directory, which does not need to be included anyway.
-  if(skip >= strlen(file))
-    {
+  if (skip >= strlen(file)) {
     return true;
-    }
+  }
   const char* out = file + skip;
 
   cmLocaleRAII localeRAII;
   static_cast<void>(localeRAII);
 
   // Meta-data.
-  std::string dest = prefix? prefix : "";
+  std::string dest = prefix ? prefix : "";
   dest += out;
-  if(this->Verbose)
-    {
+  if (this->Verbose) {
     std::cout << dest << "\n";
-    }
+  }
   Entry e;
   cm_archive_entry_copy_sourcepath(e, file);
   cm_archive_entry_copy_pathname(e, dest);
-  if(archive_read_disk_entry_from_file(this->Disk, e, -1, 0) != ARCHIVE_OK)
-    {
+  if (archive_read_disk_entry_from_file(this->Disk, e, -1, 0) != ARCHIVE_OK) {
     this->Error = "archive_read_disk_entry_from_file '";
     this->Error += file;
     this->Error += "': ";
     this->Error += cm_archive_error_string(this->Disk);
     return false;
-    }
-  if (!this->MTime.empty())
-    {
+  }
+  if (!this->MTime.empty()) {
     time_t now;
     time(&now);
     time_t t = cm_get_date(now, this->MTime.c_str());
-    if (t == -1)
-      {
+    if (t == -1) {
       this->Error = "unable to parse mtime '";
       this->Error += this->MTime;
       this->Error += "'";
       return false;
-      }
-    archive_entry_set_mtime(e, t, 0);
     }
+    archive_entry_set_mtime(e, t, 0);
+  }
 
   // manages the uid/guid of the entry (if any)
-  if (this->Uid.IsSet() && this->Gid.IsSet())
-    {
+  if (this->Uid.IsSet() && this->Gid.IsSet()) {
     archive_entry_set_uid(e, this->Uid.Get());
     archive_entry_set_gid(e, this->Gid.Get());
-    }
+  }
 
-  if (this->Uname.size() && this->Gname.size())
-    {
+  if (this->Uname.size() && this->Gname.size()) {
     archive_entry_set_uname(e, this->Uname.c_str());
     archive_entry_set_gname(e, this->Gname.c_str());
-    }
-
+  }
 
   // manages the permissions
-  if (this->Permissions.IsSet())
-    {
+  if (this->Permissions.IsSet()) {
     archive_entry_set_perm(e, this->Permissions.Get());
-    }
+  }
 
-  if (this->PermissionsMask.IsSet())
-    {
+  if (this->PermissionsMask.IsSet()) {
     mode_t perm = archive_entry_perm(e);
     archive_entry_set_perm(e, perm & this->PermissionsMask.Get());
-    }
+  }
 
   // Clear acl and xattr fields not useful for distribution.
   archive_entry_acl_clear(e);
   archive_entry_xattr_clear(e);
   archive_entry_set_fflags(e, 0, 0);
 
-  if (this->Format == "pax" || this->Format == "paxr")
-    {
+  if (this->Format == "pax" || this->Format == "paxr") {
     // Sparse files are a GNU tar extension.
     // Do not use them in standard tar files.
     archive_entry_sparse_clear(e);
-    }
+  }
 
-  if(archive_write_header(this->Archive, e) != ARCHIVE_OK)
-    {
+  if (archive_write_header(this->Archive, e) != ARCHIVE_OK) {
     this->Error = "archive_write_header: ";
     this->Error += cm_archive_error_string(this->Archive);
     return false;
-    }
+  }
 
   // do not copy content of symlink
-  if (!archive_entry_symlink(e))
-    {
+  if (!archive_entry_symlink(e)) {
     // Content.
-    if(size_t size = static_cast<size_t>(archive_entry_size(e)))
-      {
+    if (size_t size = static_cast<size_t>(archive_entry_size(e))) {
       return this->AddData(file, size);
-      }
     }
+  }
   return true;
 }
 
 bool cmArchiveWrite::AddData(const char* file, size_t size)
 {
   cmsys::ifstream fin(file, std::ios::in | std::ios::binary);
-  if(!fin)
-    {
+  if (!fin) {
     this->Error = "Error opening \"";
     this->Error += file;
     this->Error += "\": ";
     this->Error += cmSystemTools::GetLastSystemError();
     return false;
-    }
+  }
 
   char buffer[16384];
   size_t nleft = size;
-  while(nleft > 0)
-    {
+  while (nleft > 0) {
     typedef std::streamsize ssize_type;
-    size_t const nnext = nleft > sizeof(buffer)? sizeof(buffer) : nleft;
+    size_t const nnext = nleft > sizeof(buffer) ? sizeof(buffer) : nleft;
     ssize_type const nnext_s = static_cast<ssize_type>(nnext);
     fin.read(buffer, nnext_s);
     // Some stream libraries (older HPUX) return failure at end of
     // file on the last read even if some data were read.  Check
     // gcount instead of trusting the stream error status.
-    if(static_cast<size_t>(fin.gcount()) != nnext)
-      {
+    if (static_cast<size_t>(fin.gcount()) != nnext) {
       break;
-      }
-    if(archive_write_data(this->Archive, buffer, nnext) != nnext_s)
-      {
+    }
+    if (archive_write_data(this->Archive, buffer, nnext) != nnext_s) {
       this->Error = "archive_write_data: ";
       this->Error += cm_archive_error_string(this->Archive);
       return false;
-      }
-    nleft -= nnext;
     }
-  if(nleft > 0)
-    {
+    nleft -= nnext;
+  }
+  if (nleft > 0) {
     this->Error = "Error reading \"";
     this->Error += file;
     this->Error += "\": ";
     this->Error += cmSystemTools::GetLastSystemError();
     return false;
-    }
+  }
   return true;
 }