1 files changed, 97 insertions, 0 deletions
diff --git a/tools/inspect/crlf_check.cpp b/tools/inspect/crlf_check.cpp
new file mode 100644
index 0000000000..c382711403
--- /dev/null
+++ b/tools/inspect/crlf_check.cpp
@@ -0,0 +1,97 @@
+//  crlf_check implementation  ------------------------------------------------//
+
+//  Copyright Beman Dawes 2002.
+//
+//  Distributed under the Boost Software License, Version 1.0.
+//  (See accompanying file LICENSE_1_0.txt or copy at
+//  http://www.boost.org/LICENSE_1_0.txt)
+
+//  Contributed by Joerg Walter
+
+#include "crlf_check.hpp"
+
+namespace boost
+{
+  namespace inspect
+  {
+   crlf_check::crlf_check() : m_files_with_errors(0)
+   {
+   }
+
+   void crlf_check::inspect(
+      const string & library_name,
+      const path & full_path,   // example: c:/foo/boost/filesystem/path.hpp
+      const string & contents )     // contents of file to be inspected
+    {
+      if (contents.find( "boostinspect:" "nocrlf" ) != string::npos) return;
+
+      // this file deliberately contains errors
+      const char test_file_name[] = "wrong_line_ends_test.cpp";
+
+      bool failed = false;
+      // The understanding on line endings, as I remember it, was that
+      // either "\n" or "\r\n" is OK, and they can be mixed, but "\r" alone
+      // is not acceptable. Mixed line endings are allowed because Boost files
+      // are commonly edited in both Windows and UNIX environments, and editors
+      // in those environments generally accept either ending. Even Mac people
+      // agreed with this policy. --Beman
+
+      // Joerg's original implementation is saved below,
+      // in case we change our minds!
+
+      for ( std::string::const_iterator itr ( contents.begin() );
+        itr != contents.end(); ++itr )
+      {
+        if ( *itr == '\r' && ((itr+1) == contents.end() || *(itr+1) != '\n') )
+        {
+          failed = true;
+          break;
+        }
+      }
+
+      if (failed && full_path.leaf() != test_file_name)
+      {
+        ++m_files_with_errors;
+        error( library_name, full_path, name() );
+      }
+
+      if (!failed && full_path.leaf() == test_file_name)
+      {
+        ++m_files_with_errors;
+        error( library_name, full_path, string(name()) + " should have cr-only line endings" );
+      }
+
+/*
+      size_t cr_count = 0;
+      size_t lf_count = 0;
+      size_t crlf_count = 0;
+      bool had_cr = false;
+      for ( size_t i = 0; i < contents.length(); ++i )
+      {
+        switch ( contents[i] )
+        {
+          case '\r':
+            had_cr = true;
+            ++cr_count;
+            break;
+          case '\n':
+            ++lf_count;
+            if ( had_cr )
+              ++crlf_count;
+            // fallthrough
+          default:
+            had_cr = false;
+            break;
+        }
+      }
+      if ( cr_count > 0 && lf_count != crlf_count )
+      {
+        ++m_files_with_errors;
+        error( library_name, full_path, desc() );
+      }
+*/
+    }
+  } // namespace inspect
+} // namespace boost
+
+