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#!/usr/bin/env python
HEADERS = [
(':authority', 0),
(':path', 1),
('age', 2),
('content-disposition', 3),
('content-length', 4),
('cookie', 5),
('date', 6),
('etag', 7),
('if-modified-since', 8),
('if-none-match', 9),
('last-modified', 10),
('link', 11),
('location', 12),
('referer', 13),
('set-cookie', 14),
(':method', 15),
(':method', 16),
(':method', 17),
(':method', 18),
(':method', 19),
(':method', 20),
(':method', 21),
(':scheme', 22),
(':scheme', 23),
(':status', 24),
(':status', 25),
(':status', 26),
(':status', 27),
(':status', 28),
('accept', 29),
('accept', 30),
('accept-encoding', 31),
('accept-ranges', 32),
('access-control-allow-headers', 33),
('access-control-allow-headers', 34),
('access-control-allow-origin', 35),
('cache-control', 36),
('cache-control', 37),
('cache-control', 38),
('cache-control', 39),
('cache-control', 40),
('cache-control', 41),
('content-encoding', 42),
('content-encoding', 43),
('content-type', 44),
('content-type', 45),
('content-type', 46),
('content-type', 47),
('content-type', 48),
('content-type', 49),
('content-type', 50),
('content-type', 51),
('content-type', 52),
('content-type', 53),
('content-type', 54),
('range', 55),
('strict-transport-security', 56),
('strict-transport-security', 57),
('strict-transport-security', 58),
('vary', 59),
('vary', 60),
('x-content-type-options', 61),
('x-xss-protection', 62),
(':status', 63),
(':status', 64),
(':status', 65),
(':status', 66),
(':status', 67),
(':status', 68),
(':status', 69),
(':status', 70),
(':status', 71),
('accept-language', 72),
('access-control-allow-credentials', 73),
('access-control-allow-credentials', 74),
('access-control-allow-headers', 75),
('access-control-allow-methods', 76),
('access-control-allow-methods', 77),
('access-control-allow-methods', 78),
('access-control-expose-headers', 79),
('access-control-request-headers', 80),
('access-control-request-method', 81),
('access-control-request-method', 82),
('alt-svc', 83),
('authorization', 84),
('content-security-policy', 85),
('early-data', 86),
('expect-ct', 87),
('forwarded', 88),
('if-range', 89),
('origin', 90),
('purpose', 91),
('server', 92),
('timing-allow-origin', 93),
('upgrade-insecure-requests', 94),
('user-agent', 95),
('x-forwarded-for', 96),
('x-frame-options', 97),
('x-frame-options', 98),
# Additional header fields for HTTP messaging validation
('host', None),
('connection', None),
('keep-alive', None),
('proxy-connection', None),
('transfer-encoding', None),
('upgrade', None),
('te', None),
(':protocol', None),
('priority', None),
]
def to_enum_hd(k):
res = 'NGHTTP3_QPACK_TOKEN_'
for c in k.upper():
if c == ':' or c == '-':
res += '_'
continue
res += c
return res
def build_header(headers):
res = {}
for k, _ in headers:
size = len(k)
if size not in res:
res[size] = {}
ent = res[size]
c = k[-1]
if c not in ent:
ent[c] = []
if k not in ent[c]:
ent[c].append(k)
return res
def gen_enum():
name = ''
print 'typedef enum {'
for k, token in HEADERS:
if token is None:
print ' {},'.format(to_enum_hd(k))
else:
if name != k:
name = k
print ' {} = {},'.format(to_enum_hd(k), token)
print '} nghttp3_qpack_token;'
def gen_index_header():
print '''\
static int32_t lookup_token(const uint8_t *name, size_t namelen) {
switch (namelen) {'''
b = build_header(HEADERS)
for size in sorted(b.keys()):
ents = b[size]
print '''\
case {}:'''.format(size)
print '''\
switch (name[{}]) {{'''.format(size - 1)
for c in sorted(ents.keys()):
headers = sorted(ents[c])
print '''\
case '{}':'''.format(c)
for k in headers:
print '''\
if (memeq("{}", name, {})) {{
return {};
}}'''.format(k[:-1], size - 1, to_enum_hd(k))
print '''\
break;'''
print '''\
}
break;'''
print '''\
}
return -1;
}'''
if __name__ == '__main__':
print '''/* Don't use nghttp3_qpack_token below. Use mkstatichdtbl.py instead */'''
gen_enum()
print ''
gen_index_header()
|
