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1 #!/usr/bin/env python | 1 #!/usr/bin/env python |
2 # Copyright (C) 2013 Google Inc. All rights reserved. | 2 # Copyright (C) 2013 Google Inc. All rights reserved. |
3 # | 3 # |
4 # Redistribution and use in source and binary forms, with or without | 4 # Redistribution and use in source and binary forms, with or without |
5 # modification, are permitted provided that the following conditions are | 5 # modification, are permitted provided that the following conditions are |
6 # met: | 6 # met: |
7 # | 7 # |
8 # * Redistributions of source code must retain the above copyright | 8 # * Redistributions of source code must retain the above copyright |
9 # notice, this list of conditions and the following disclaimer. | 9 # notice, this list of conditions and the following disclaimer. |
10 # * Redistributions in binary form must reproduce the above | 10 # * Redistributions in binary form must reproduce the above |
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25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | 25 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | 26 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | 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. | 28 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | 29 |
30 import os.path | 30 import os.path |
31 import sys | 31 import sys |
32 | 32 |
33 from in_file import InFile | 33 from in_file import InFile |
34 import in_generator | 34 import in_generator |
| 35 from name_utilities import lower_first |
35 import template_expander | 36 import template_expander |
36 | 37 |
37 | 38 |
38 class RuntimeFeatureWriter(in_generator.Writer): | 39 class RuntimeFeatureWriter(in_generator.Writer): |
39 class_name = 'RuntimeEnabledFeatures' | 40 class_name = 'RuntimeEnabledFeatures' |
40 | 41 |
41 # FIXME: valid_values and defaults should probably roll into one object. | 42 # FIXME: valid_values and defaults should probably roll into one object. |
42 valid_values = { | 43 valid_values = { |
43 'status': ['stable', 'experimental', 'test'], | 44 'status': ['stable', 'experimental', 'test'], |
44 } | 45 } |
45 defaults = { | 46 defaults = { |
46 'condition' : None, | 47 'condition' : None, |
47 'depends_on' : [], | 48 'depends_on' : [], |
48 'custom': False, | 49 'custom': False, |
49 'status': None, | 50 'status': None, |
50 'writeable': False, | |
51 } | 51 } |
52 | 52 |
53 def __init__(self, in_file_path, enabled_conditions): | 53 def __init__(self, in_file_path, enabled_conditions): |
54 super(RuntimeFeatureWriter, self).__init__(in_file_path, enabled_conditi
ons) | 54 super(RuntimeFeatureWriter, self).__init__(in_file_path, enabled_conditi
ons) |
55 self._outputs = {(self.class_name + ".h"): self.generate_header, | 55 self._outputs = {(self.class_name + ".h"): self.generate_header, |
56 (self.class_name + ".cpp"): self.generate_implementatio
n, | 56 (self.class_name + ".cpp"): self.generate_implementatio
n, |
57 } | 57 } |
58 | 58 |
59 self._features = self.in_file.name_dictionaries | 59 self._features = self.in_file.name_dictionaries |
60 # Make sure the resulting dictionaries have all the keys we expect. | 60 # Make sure the resulting dictionaries have all the keys we expect. |
61 for feature in self._features: | 61 for feature in self._features: |
62 feature['first_lowered_name'] = self._lower_first(feature['name']) | 62 feature['first_lowered_name'] = lower_first(feature['name']) |
63 # Most features just check their isFooEnabled bool | 63 # Most features just check their isFooEnabled bool |
64 # but some depend on more than one bool. | 64 # but some depend on more than one bool. |
65 enabled_condition = "is%sEnabled" % feature['name'] | 65 enabled_condition = "is%sEnabled" % feature['name'] |
66 for dependant_name in feature['depends_on']: | 66 for dependant_name in feature['depends_on']: |
67 enabled_condition += " && is%sEnabled" % dependant_name | 67 enabled_condition += " && is%sEnabled" % dependant_name |
68 feature['enabled_condition'] = enabled_condition | 68 feature['enabled_condition'] = enabled_condition |
69 self._non_custom_features = filter(lambda feature: not feature['custom']
, self._features) | 69 self._non_custom_features = filter(lambda feature: not feature['custom']
, self._features) |
70 | 70 |
71 def _lower_first(self, string): | |
72 lowered = string[0].lower() + string[1:] | |
73 lowered = lowered.replace("cSS", "css") | |
74 lowered = lowered.replace("iME", "ime") | |
75 lowered = lowered.replace("hTML", "html") | |
76 lowered = lowered.replace("sVG", "svg") | |
77 lowered = lowered.replace("wOFF", "woff") | |
78 return lowered | |
79 | |
80 def _feature_sets(self): | 71 def _feature_sets(self): |
81 # Another way to think of the status levels is as "sets of features" | 72 # Another way to think of the status levels is as "sets of features" |
82 # which is how we're referring to them in this generator. | 73 # which is how we're referring to them in this generator. |
83 return self.valid_values['status'] | 74 return self.valid_values['status'] |
84 | 75 |
85 @template_expander.use_jinja(class_name + ".h.tmpl") | 76 @template_expander.use_jinja(class_name + ".h.tmpl") |
86 def generate_header(self): | 77 def generate_header(self): |
87 return { | 78 return { |
88 'features': self._features, | 79 'features': self._features, |
89 'feature_sets': self._feature_sets(), | 80 'feature_sets': self._feature_sets(), |
90 } | 81 } |
91 | 82 |
92 @template_expander.use_jinja(class_name + ".cpp.tmpl") | 83 @template_expander.use_jinja(class_name + ".cpp.tmpl") |
93 def generate_implementation(self): | 84 def generate_implementation(self): |
94 return { | 85 return { |
95 'features': self._features, | 86 'features': self._features, |
96 'feature_sets': self._feature_sets(), | 87 'feature_sets': self._feature_sets(), |
97 } | 88 } |
98 | 89 |
99 | 90 |
100 if __name__ == "__main__": | 91 if __name__ == "__main__": |
101 in_generator.Maker(RuntimeFeatureWriter).main(sys.argv) | 92 in_generator.Maker(RuntimeFeatureWriter).main(sys.argv) |
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