Branch CEF3 files from /branches/cef3 to /trunk/cef3 (issue #564).

git-svn-id: https://chromiumembedded.googlecode.com/svn/trunk@571 5089003a-bbd8-11dd-ad1f-f1f9622dbc98

tools/make_cpptoc_header.py

@@ -0,0 +1,106 @@
+# 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(get_capi_name(clsname[3:], False))
+    capiname = cls.get_capi_name()
+    
+    result = get_copyright()
+
+    result += '#ifndef CEF_LIBCEF_DLL_CPPTOC_'+defname+'_CPPTOC_H_\n'+ \
+              '#define CEF_LIBCEF_DLL_CPPTOC_'+defname+'_CPPTOC_H_\n' + \
+              '#pragma once\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'+ \
+               ' public:\n'+ \
+               '  explicit '+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  // CEF_LIBCEF_DLL_CPPTOC_'+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]))