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0215d09ccb
… rather than as an extra step after `cargo doc`. This helps always using the correct set of CSS properties (for layout 2013 v.s. 2020).
143 lines
4.9 KiB
Python
143 lines
4.9 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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# We do one global pass over all the WebIDL to generate our prototype enum
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# and generate information for subsequent phases.
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import sys
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import os
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import json
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sys.path.append(os.path.join(".", "parser"))
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sys.path.append(os.path.join(".", "ply"))
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import WebIDL
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import cPickle
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from Configuration import Configuration
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from CodegenRust import GlobalGenRoots, replaceFileIfChanged
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def generate_file(config, name, filename):
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root = getattr(GlobalGenRoots, name)(config)
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code = root.define()
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if replaceFileIfChanged(filename, code):
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print "Generating %s" % (filename)
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else:
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print "%s hasn't changed - not touching it" % (filename)
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def main():
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# Parse arguments.
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from optparse import OptionParser
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usageString = "usage: %prog [options] configFile outputdir webidldir cssProperties.json docServoDir [files]"
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o = OptionParser(usage=usageString)
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o.add_option("--cachedir", dest='cachedir', default=None,
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help="Directory in which to cache lex/parse tables.")
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o.add_option("--filelist", dest='filelist', default=None,
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help="A file containing the list (one per line) of webidl files to process.")
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(options, args) = o.parse_args()
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if len(args) < 2:
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o.error(usageString)
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configFile = args[0]
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outputdir = args[1]
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baseDir = args[2]
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css_properties_json = args[3]
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doc_servo = args[4]
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if options.filelist is not None:
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fileList = [l.strip() for l in open(options.filelist).xreadlines()]
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else:
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fileList = args[3:]
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# Parse the WebIDL.
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parser = WebIDL.Parser(options.cachedir)
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for filename in fileList:
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fullPath = os.path.normpath(os.path.join(baseDir, filename))
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with open(fullPath, 'rb') as f:
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lines = f.readlines()
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parser.parse(''.join(lines), fullPath)
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add_css_properties_attributes(fileList, css_properties_json, parser)
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parserResults = parser.finish()
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# Write the parser results out to a pickle.
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resultsPath = os.path.join(outputdir, 'ParserResults.pkl')
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with open(resultsPath, 'wb') as resultsFile:
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cPickle.dump(parserResults, resultsFile, -1)
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# Load the configuration.
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config = Configuration(configFile, parserResults)
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to_generate = [
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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', os.path.join('Bindings', 'mod.rs')),
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('UnionTypes', 'UnionTypes.rs'),
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]
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for name, filename in to_generate:
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generate_file(config, name, os.path.join(outputdir, filename))
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generate_file(config, 'SupportedDomApis', os.path.join(doc_servo, 'apis.html'))
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def add_css_properties_attributes(webidl_files, css_properties_json, parser):
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for filename in webidl_files:
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if os.path.basename(filename) == "CSSStyleDeclaration.webidl":
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break
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else:
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return
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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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