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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 name_utilities
35import template_expander
36
37from in_file import InFile
38
39
40def _symbol(entry):
41    # FIXME: Remove this special case for the ugly x-webkit-foo attributes.
42    if entry['name'].startswith('x-webkit-'):
43        return entry['name'].replace('-', '')[1:]
44    return entry['name'].replace('-', '_')
45
46
47class MakeQualifiedNamesWriter(in_generator.Writer):
48    defaults = {
49    }
50    default_parameters = {
51        'attrsNullNamespace': None,
52        'namespace': '',
53        'namespacePrefix': '',
54        'namespaceURI': '',
55    }
56    filters = {
57        'hash': hasher.hash,
58        'enable_conditional': name_utilities.enable_conditional_if_endif,
59        'symbol': _symbol,
60        'to_macro_style': name_utilities.to_macro_style,
61    }
62
63    def __init__(self, in_file_paths):
64        super(MakeQualifiedNamesWriter, self).__init__(None)
65        assert len(in_file_paths) <= 2, 'MakeQualifiedNamesWriter requires at most 2 in files, got %d.' % len(in_file_paths)
66
67        if len(in_file_paths) == 2:
68            self.tags_in_file = InFile.load_from_files([in_file_paths.pop(0)], self.defaults, self.valid_values, self.default_parameters)
69        else:
70            self.tags_in_file = None
71
72        self.attrs_in_file = InFile.load_from_files([in_file_paths.pop()], self.defaults, self.valid_values, self.default_parameters)
73
74        self.namespace = self._parameter('namespace')
75
76        namespace_prefix = self._parameter('namespacePrefix') or self.namespace.lower()
77        namespace_uri = self._parameter('namespaceURI')
78
79        use_namespace_for_attrs = self.attrs_in_file.parameters['attrsNullNamespace'] is None
80
81        self._outputs = {
82            (self.namespace + "Names.h"): self.generate_header,
83            (self.namespace + "Names.cpp"): self.generate_implementation,
84        }
85        self._template_context = {
86            'namespace': self.namespace,
87            'namespace_prefix': namespace_prefix,
88            'namespace_uri': namespace_uri,
89            'use_namespace_for_attrs': use_namespace_for_attrs,
90            'tags': self.tags_in_file.name_dictionaries if self.tags_in_file else [],
91            'attrs': self.attrs_in_file.name_dictionaries,
92        }
93
94    def _parameter(self, name):
95        parameter = self.attrs_in_file.parameters[name].strip('"')
96        if self.tags_in_file:
97            assert parameter == self.tags_in_file.parameters[name].strip('"'), 'Both in files must have the same %s.' % name
98        return parameter
99
100    @template_expander.use_jinja('MakeQualifiedNames.h.tmpl', filters=filters)
101    def generate_header(self):
102        return self._template_context
103
104    @template_expander.use_jinja('MakeQualifiedNames.cpp.tmpl', filters=filters)
105    def generate_implementation(self):
106        return self._template_context
107
108
109if __name__ == "__main__":
110    in_generator.Maker(MakeQualifiedNamesWriter).main(sys.argv)
111