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| 1 #!/usr/bin/env python |
| 2 # Copyright 2014 The Chromium Authors. All rights reserved. |
| 3 # Use of this source code is governed by a BSD-style license that can be |
| 4 # found in the LICENSE file. |
| 5 |
| 6 import sys |
| 7 from collections import defaultdict |
| 8 |
| 9 import hasher |
| 10 import in_generator |
| 11 import name_utilities |
| 12 import template_expander |
| 13 |
| 14 from in_file import InFile |
| 15 |
| 16 |
| 17 class MakeElementTypeHelpersWriter(in_generator.Writer): |
| 18 defaults = { |
| 19 'interfaceName': None, |
| 20 'noConstructor': None, |
| 21 'JSInterfaceName': None, |
| 22 'constructorNeedsCreatedByParser': None, |
| 23 'constructorNeedsFormElement': None, |
| 24 'contextConditional': None, |
| 25 'interfaceName': None, |
| 26 'noConstructor': None, |
| 27 'runtimeEnabled': None, |
| 28 } |
| 29 default_parameters = { |
| 30 'attrsNullNamespace': None, |
| 31 'namespace': '', |
| 32 'namespacePrefix': '', |
| 33 'namespaceURI': '', |
| 34 'fallbackInterfaceName': '', |
| 35 'fallbackJSInterfaceName': '', |
| 36 } |
| 37 filters = { |
| 38 'hash': hasher.hash, |
| 39 } |
| 40 |
| 41 def __init__(self, in_file_path): |
| 42 super(MakeElementTypeHelpersWriter, self).__init__(in_file_path) |
| 43 |
| 44 self.namespace = self.in_file.parameters['namespace'].strip('"') |
| 45 |
| 46 assert self.namespace, 'A namespace is required.' |
| 47 |
| 48 self._outputs = { |
| 49 (self.namespace + "ElementTypeHelpers.h"): self.generate_helper_head
er, |
| 50 } |
| 51 |
| 52 self._template_context = { |
| 53 'namespace': self.namespace, |
| 54 'tags': self.in_file.name_dictionaries, |
| 55 } |
| 56 |
| 57 tags = self._template_context['tags'] |
| 58 interface_counts = defaultdict(int) |
| 59 for tag in tags: |
| 60 tag['interface'] = self._interface(tag) |
| 61 interface_counts[tag['interface']] += 1 |
| 62 |
| 63 for tag in tags: |
| 64 tag['multipleTagNames'] = interface_counts[tag['interface']] > 1 |
| 65 |
| 66 @template_expander.use_jinja("ElementTypeHelpers.h.tmpl", filters=filters) |
| 67 def generate_helper_header(self): |
| 68 return self._template_context |
| 69 |
| 70 def _interface(self, tag): |
| 71 if tag['interfaceName']: |
| 72 return tag['interfaceName'] |
| 73 name = name_utilities.upper_first(tag['name']) |
| 74 # FIXME: We shouldn't hard-code HTML here. |
| 75 if name == 'HTML': |
| 76 name = 'Html' |
| 77 dash = name.find('-') |
| 78 while dash != -1: |
| 79 name = name[:dash] + name[dash + 1].upper() + name[dash + 2:] |
| 80 dash = name.find('-') |
| 81 return '%s%sElement' % (self.namespace, name) |
| 82 |
| 83 if __name__ == "__main__": |
| 84 in_generator.Maker(MakeElementTypeHelpersWriter).main(sys.argv) |
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