c6bbb5991e
Backed out changeset 020151240bb8 (bug 1456364) Backed out changeset bc0aa5224d91 (bug 1456364) Backed out changeset d919bbe7440c (bug 1456364) Backed out changeset ab1472823e8a (bug 1456364)
100 lines
3.4 KiB
Python
100 lines
3.4 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 file,
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# You can obtain one at http://mozilla.org/MPL/2.0/.
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import sys
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import string
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import argparse
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def get_properties(dataFile):
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with open(dataFile, "r") as f:
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properties = eval(f.read())
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properties = [{"name":p[0], "prop":p[1], "id":p[2],
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"flags":p[3], "pref":p[4], "proptype":p[5]}
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for (i, p) in enumerate(properties)]
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# Sort the list so that longhand properties are intermingled first,
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# shorthand properties follow, then aliases appear last.
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# This matches the order of the nsCSSPropertyID enum.
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def property_compare(x, y):
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property_order = {"longhand": 0, "shorthand": 1, "alias": 2}
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return property_order[x["proptype"]] - property_order[y["proptype"]]
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properties = sorted(properties, cmp=property_compare)
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for i, p in enumerate(properties):
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p["index"] = i
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# Record each property's IDL name.
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for p in properties:
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if "CSS_PROPERTY_INTERNAL" in p["flags"]:
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p["idlname"] = None
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else:
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idl_name = p["prop"]
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if not idl_name.startswith("Moz"):
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idl_name = idl_name[0].lower() + idl_name[1:]
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p["idlname"] = idl_name
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return properties
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def generate_idl_names(properties):
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names = []
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for p in properties:
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if p["proptype"] is "alias":
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continue
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if p["idlname"] is None:
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names.append(" nullptr, // %s" % p["name"])
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else:
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names.append(' "%s",' % p["idlname"])
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return "\n".join(names)
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def generate_assertions(properties):
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def enum(p):
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if p["proptype"] is "alias":
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return "eCSSPropertyAlias_%s" % p["id"][0]
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else:
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return "eCSSProperty_%s" % p["id"]
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msg = ('static_assert(%s == %d, "GenerateCSSPropsGenerated.py did not list '
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'properties in nsCSSPropertyID order");')
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return "\n".join(map(lambda p: msg % (enum(p), p["index"]), properties))
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def generate_idl_name_positions(properties):
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# Skip aliases.
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ps = filter(lambda p: p["proptype"] is not "alias", properties)
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# Sort alphabetically by IDL name.
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ps = sorted(ps, key=lambda p: p["idlname"])
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# Annotate entries with the sorted position.
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ps = [(p, position) for position, p in enumerate(ps)]
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# Sort back to nsCSSPropertyID order.
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ps = sorted(ps, key=lambda (p, position): p["index"])
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return ",\n".join(map(lambda (p, position): " %d" % position, ps))
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def generate(output, cppTemplate, dataFile):
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cppFile = open(cppTemplate, "r")
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cppTemplate = cppFile.read()
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cppFile.close()
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properties = get_properties(dataFile)
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substitutions = {
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"idl_names": generate_idl_names(properties),
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"assertions": generate_assertions(properties),
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"idl_name_positions": generate_idl_name_positions(properties),
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}
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output.write("/* THIS IS AN AUTOGENERATED FILE. DO NOT EDIT */\n\n" +
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string.Template(cppTemplate).substitute(substitutions) + "\n")
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def main():
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parser = argparse.ArgumentParser()
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parser.add_argument('cppTemplate', help='CSS property file template')
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parser.add_argument('preprocessorHeader', help='Header file to pass through the preprocessor')
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args = parser.parse_args()
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generate(sys.stdout, args.cppTemplate, args.preprocessorHeader)
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if __name__ == '__main__':
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main()
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