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# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at https://mozilla.org/MPL/2.0/.
import json
import os.path
import re
import sys
BASE = os.path.dirname(__file__.replace("\\", "/"))
sys.path.insert(0, BASE) # For importing `data.py`
from mako import exceptions
from mako.lookup import TemplateLookup
from mako.template import Template
import data
RE_PYTHON_ADDR = re.compile(r"<.+? object at 0x[0-9a-fA-F]+>")
OUT_DIR = os.environ.get("OUT_DIR", "")
STYLE_STRUCT_LIST = [
"background",
"border",
"box",
"column",
"counters",
"effects",
"font",
"inherited_box",
"inherited_svg",
"inherited_table",
"inherited_text",
"inherited_ui",
"list",
"margin",
"outline",
"page",
"padding",
"position",
"svg",
"table",
"text",
"ui",
"xul",
]
def main():
usage = (
"Usage: %s [ servo-2013 | servo-2020 | gecko ] [ style-crate | geckolib <template> | html ]"
% sys.argv[0]
)
if len(sys.argv) < 3:
abort(usage)
engine = sys.argv[1]
output = sys.argv[2]
if engine not in ["servo-2013", "servo-2020", "gecko"] or output not in [
"style-crate",
"geckolib",
"html",
]:
abort(usage)
properties = data.PropertiesData(engine=engine)
files = {}
for kind in ["longhands", "shorthands"]:
files[kind] = {}
for struct in STYLE_STRUCT_LIST:
file_name = os.path.join(BASE, kind, "{}.mako.rs".format(struct))
if kind == "shorthands" and not os.path.exists(file_name):
files[kind][struct] = ""
continue
files[kind][struct] = render(
file_name,
engine=engine,
data=properties,
)
properties_template = os.path.join(BASE, "properties.mako.rs")
files["properties"] = render(
properties_template,
engine=engine,
data=properties,
__file__=properties_template,
OUT_DIR=OUT_DIR,
)
if output == "style-crate":
write(OUT_DIR, "properties.rs", files["properties"])
for kind in ["longhands", "shorthands"]:
for struct in files[kind]:
write(
os.path.join(OUT_DIR, kind),
"{}.rs".format(struct),
files[kind][struct],
)
if engine == "gecko":
template = os.path.join(BASE, "gecko.mako.rs")
rust = render(template, data=properties)
write(OUT_DIR, "gecko_properties.rs", rust)
if engine in ["servo-2013", "servo-2020"]:
if engine == "servo-2013":
pref_attr = "servo_2013_pref"
if engine == "servo-2020":
pref_attr = "servo_2020_pref"
properties_dict = {
kind: {
p.name: {"pref": getattr(p, pref_attr)}
for prop in properties_list
if prop.enabled_in_content()
for p in [prop] + prop.alias
}
for kind, properties_list in [
("longhands", properties.longhands),
("shorthands", properties.shorthands),
]
}
as_html = render(
os.path.join(BASE, "properties.html.mako"), properties=properties_dict
)
as_json = json.dumps(properties_dict, indent=4, sort_keys=True)
doc_servo = os.path.join(BASE, "..", "..", "..", "target", "doc", "servo")
write(doc_servo, "css-properties.html", as_html)
write(doc_servo, "css-properties.json", as_json)
write(OUT_DIR, "css-properties.json", as_json)
elif output == "geckolib":
if len(sys.argv) < 4:
abort(usage)
template = sys.argv[3]
header = render(template, data=properties)
sys.stdout.write(header)
def abort(message):
print(message, file=sys.stderr)
sys.exit(1)
def render(filename, **context):
try:
lookup = TemplateLookup(
directories=[BASE], input_encoding="utf8", strict_undefined=True
)
template = Template(
open(filename, "rb").read(),
filename=filename,
input_encoding="utf8",
lookup=lookup,
strict_undefined=True,
)
# Uncomment to debug generated Python code:
# write("/tmp", "mako_%s.py" % os.path.basename(filename), template.code)
return template.render(**context)
except Exception:
# Uncomment to see a traceback in generated Python code:
# raise
abort(exceptions.text_error_template().render())
def write(directory, filename, content):
if not os.path.exists(directory):
os.makedirs(directory)
full_path = os.path.join(directory, filename)
open(full_path, "w", encoding="utf-8").write(content)
python_addr = RE_PYTHON_ADDR.search(content)
if python_addr:
abort('Found "{}" in {} ({})'.format(python_addr.group(0), filename, full_path))
if __name__ == "__main__":
main()
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