text: # Copyright (c) 2011 The Chromium Embedded Framework Authors. All rights
  # reserved. Use of this source code is governed by a BSD-style license that
  # can be found in the LICENSE file.
  
  from cef_parser import *
  
  def make_cpptoc_header(header, clsname):
      cls = header.get_class(clsname)
      if cls is None:
          raise Exception('Class does not exist: '+clsname)
      
      dllside = cls.is_library_side()
      defname = string.upper(clsname[3:])
      capiname = cls.get_capi_name()
      
      result = get_copyright()
  
      result += '#ifndef _'+defname+'_CPPTOC_H\n'+ \
                '#define _'+defname+'_CPPTOC_H\n'
      
      if dllside:
          result += """
  #ifndef BUILDING_CEF_SHARED
  #pragma message("Warning: "__FILE__" may be accessed DLL-side only")
  #else // BUILDING_CEF_SHARED
  """
      else:
          result += """
  #ifndef USING_CEF_SHARED
  #pragma message("Warning: "__FILE__" may be accessed wrapper-side only")
  #else // USING_CEF_SHARED
  """
  
      # include the headers for this class
      result += '\n#include "include/'+cls.get_file_name()+'"\n' \
                '#include "include/capi/'+cls.get_capi_file_name()+'"\n'
  
      # include headers for any forward declared classes that are not in the same file
      declares = cls.get_forward_declares()
      for declare in declares:
          dcls = header.get_class(declare)
          if dcls.get_file_name() != cls.get_file_name():
                result += '#include "include/'+dcls.get_file_name()+'"\n' \
                          '#include "include/capi/'+dcls.get_capi_file_name()+'"\n'
  
      result += """#include "libcef_dll/cpptoc/cpptoc.h"
  
  // Wrap a C++ class with a C structure.
  """
  
      if dllside:
          result += '// This class may be instantiated and accessed DLL-side only.\n'
      else:
          result += '// This class may be instantiated and accessed wrapper-side only.\n'
      
      result +=  'class '+clsname+'CppToC\n'+ \
                 '    : public CefCppToC<'+clsname+'CppToC, '+clsname+', '+capiname+'>\n'+ \
                 '{\n'+ \
                 'public:\n'+ \
                 '  '+clsname+'CppToC('+clsname+'* cls);\n'+ \
                 '  virtual ~'+clsname+'CppToC() {}\n'+ \
                 '};\n\n'
      
      if dllside:
          result += '#endif // BUILDING_CEF_SHARED\n'
      else:
          result += '#endif // USING_CEF_SHARED\n'
      
      result += '#endif // _'+defname+'_CPPTOC_H\n'
      
      return wrap_code(result)
  
  
  def write_cpptoc_header(header, clsname, dir, backup):
      file = dir+os.sep+get_capi_name(clsname[3:], False)+'_cpptoc.h'
      
      if path_exists(file):
          oldcontents = read_file(file)
      else:
          oldcontents = ''
      
      newcontents = make_cpptoc_header(header, clsname)
      if newcontents != oldcontents:
          if backup and oldcontents != '':
              backup_file(file)
          write_file(file, newcontents)
          return True
      
      return False
  
  
  # test the module
  if __name__ == "__main__":
      import sys
      
      # verify that the correct number of command-line arguments are provided
      if len(sys.argv) < 3:
          sys.stderr.write('Usage: '+sys.argv[0]+' <infile> <classname>')
          sys.exit()
          
      # create the header object
      header = obj_header()
      header.add_file(sys.argv[1])
      
      # dump the result to stdout
      sys.stdout.write(make_cpptoc_header(header, sys.argv[2]))
  