mirror of
https://github.com/servo/servo.git
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119 lines
4.1 KiB
Python
119 lines
4.1 KiB
Python
# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at https://mozilla.org/MPL/2.0/.
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import os
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import sys
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import json
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def main():
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os.chdir(os.path.join(os.path.dirname(__file__)))
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sys.path[0:0] = ["./parser", "./ply"]
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css_properties_json, out_dir = sys.argv[1:]
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doc_servo = "../../../../../target/doc/servo"
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webidls_dir = "../../webidls"
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config_file = "Bindings.conf"
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import WebIDL
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from Configuration import Configuration
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from CodegenRust import CGBindingRoot
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parser = WebIDL.Parser(make_dir(os.path.join(out_dir, "cache")))
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webidls = [name for name in os.listdir(webidls_dir) if name.endswith(".webidl")]
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for webidl in webidls:
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filename = os.path.join(webidls_dir, webidl)
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with open(filename, "rb") as f:
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parser.parse(f.read(), filename)
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add_css_properties_attributes(css_properties_json, parser)
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parser_results = parser.finish()
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config = Configuration(config_file, parser_results)
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make_dir(os.path.join(out_dir, "Bindings"))
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for name, filename in [
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("PrototypeList", "PrototypeList.rs"),
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("RegisterBindings", "RegisterBindings.rs"),
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("InterfaceObjectMap", "InterfaceObjectMap.rs"),
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("InterfaceObjectMapData", "InterfaceObjectMapData.json"),
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("InterfaceTypes", "InterfaceTypes.rs"),
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("InheritTypes", "InheritTypes.rs"),
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("Bindings", "Bindings/mod.rs"),
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("UnionTypes", "UnionTypes.rs"),
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]:
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generate(config, name, os.path.join(out_dir, filename))
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make_dir(doc_servo)
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generate(config, "SupportedDomApis", os.path.join(doc_servo, "apis.html"))
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for webidl in webidls:
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filename = os.path.join(webidls_dir, webidl)
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prefix = "Bindings/%sBinding" % webidl[:-len(".webidl")]
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module = CGBindingRoot(config, prefix, filename).define()
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if module:
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with open(os.path.join(out_dir, prefix + ".rs"), "wb") as f:
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f.write(module.encode("utf-8"))
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def make_dir(path):
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if not os.path.exists(path):
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os.makedirs(path)
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return path
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def generate(config, name, filename):
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from CodegenRust import GlobalGenRoots
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root = getattr(GlobalGenRoots, name)(config)
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code = root.define()
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with open(filename, "wb") as f:
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f.write(code.encode("utf-8"))
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def add_css_properties_attributes(css_properties_json, parser):
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css_properties = json.load(open(css_properties_json, "rb"))
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idl = "partial interface CSSStyleDeclaration {\n%s\n};\n" % "\n".join(
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" [%sCEReactions, SetterThrows] attribute [TreatNullAs=EmptyString] DOMString %s;" % (
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('Pref="%s", ' % data["pref"] if data["pref"] else ""),
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attribute_name
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)
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for (kind, properties_list) in sorted(css_properties.items())
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for (property_name, data) in sorted(properties_list.items())
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for attribute_name in attribute_names(property_name)
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)
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parser.parse(idl.encode("utf-8"), "CSSStyleDeclaration_generated.webidl")
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def attribute_names(property_name):
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# https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-dashed-attribute
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if property_name != "float":
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yield property_name
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else:
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yield "_float"
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# https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-camel-cased-attribute
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if "-" in property_name:
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yield "".join(camel_case(property_name))
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# https://drafts.csswg.org/cssom/#dom-cssstyledeclaration-webkit-cased-attribute
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if property_name.startswith("-webkit-"):
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yield "".join(camel_case(property_name), True)
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# https://drafts.csswg.org/cssom/#css-property-to-idl-attribute
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def camel_case(chars, webkit_prefixed=False):
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if webkit_prefixed:
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chars = chars[1:]
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next_is_uppercase = False
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for c in chars:
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if c == '-':
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next_is_uppercase = True
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elif next_is_uppercase:
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next_is_uppercase = False
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# Should be ASCII-uppercase, but all non-custom CSS property names are within ASCII
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yield c.upper()
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else:
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yield c
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if __name__ == "__main__":
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main()
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