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      1 #!/usr/bin/env python
      2 # Copyright (C) 2013 Google Inc. All rights reserved.
      3 #
      4 # Redistribution and use in source and binary forms, with or without
      5 # modification, are permitted provided that the following conditions are
      6 # met:
      7 #
      8 #     * Redistributions of source code must retain the above copyright
      9 # notice, this list of conditions and the following disclaimer.
     10 #     * Redistributions in binary form must reproduce the above
     11 # copyright notice, this list of conditions and the following disclaimer
     12 # in the documentation and/or other materials provided with the
     13 # distribution.
     14 #     * Neither the name of Google Inc. nor the names of its
     15 # contributors may be used to endorse or promote products derived from
     16 # this software without specific prior written permission.
     17 #
     18 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29 
     30 import sys
     31 
     32 import hasher
     33 import in_generator
     34 import template_expander
     35 import name_utilities
     36 
     37 def _symbol(entry):
     38     if entry['Symbol'] is not None:
     39         return entry['Symbol']
     40     # FIXME: Remove this special case for the ugly x-webkit-foo attributes.
     41     if entry['name'].startswith('-webkit-'):
     42         return entry['name'].replace('-', '_')[1:]
     43     return name_utilities.cpp_name(entry).replace('-', '_')
     44 
     45 
     46 class MakeNamesWriter(in_generator.Writer):
     47     defaults = {
     48         'Conditional': None,  # FIXME: Add support for Conditional.
     49         'ImplementedAs': None,
     50         'RuntimeEnabled': None,  # What should we do for runtime-enabled features?
     51         'Symbol': None,
     52     }
     53     default_parameters = {
     54         'export': '',
     55         'namespace': '',
     56         'suffix': '',
     57     }
     58     filters = {
     59         'cpp_name': name_utilities.cpp_name,
     60         'enable_conditional': name_utilities.enable_conditional_if_endif,
     61         'hash': hasher.hash,
     62         'script_name': name_utilities.script_name,
     63         'symbol': _symbol,
     64         'to_macro_style': name_utilities.to_macro_style,
     65     }
     66 
     67     def __init__(self, in_file_path):
     68         super(MakeNamesWriter, self).__init__(in_file_path)
     69 
     70         namespace = self.in_file.parameters['namespace'].strip('"')
     71         suffix = self.in_file.parameters['suffix'].strip('"')
     72         export = self.in_file.parameters['export'].strip('"')
     73 
     74         assert namespace, 'A namespace is required.'
     75 
     76         self._outputs = {
     77             (namespace + suffix + 'Names.h'): self.generate_header,
     78             (namespace + suffix + 'Names.cpp'): self.generate_implementation,
     79         }
     80         self._template_context = {
     81             'namespace': namespace,
     82             'suffix': suffix,
     83             'export': export,
     84             'entries': self.in_file.name_dictionaries,
     85         }
     86 
     87     @template_expander.use_jinja("MakeNames.h.tmpl", filters=filters)
     88     def generate_header(self):
     89         return self._template_context
     90 
     91     @template_expander.use_jinja("MakeNames.cpp.tmpl", filters=filters)
     92     def generate_implementation(self):
     93         return self._template_context
     94 
     95 
     96 if __name__ == "__main__":
     97     in_generator.Maker(MakeNamesWriter).main(sys.argv)
     98