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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
30import sys
31
32import hasher
33import in_generator
34import template_expander
35import name_utilities
36
37def _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
46class 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
96if __name__ == "__main__":
97    in_generator.Maker(MakeNamesWriter).main(sys.argv)
98