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This commit is contained in:
byte[] 2019-08-21 21:53:44 -04:00
parent 108377462e
commit 50740b7b91
1 changed files with 108 additions and 4 deletions
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112
lib/philomena/search/lexer.ex
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@ -29,6 +29,10 @@ defmodule Philomena.Search.Lexer do
lparen = string("(") |> unwrap_and_tag(:lparen) lparen = string("(") |> unwrap_and_tag(:lparen)
rparen = string(")") |> unwrap_and_tag(:rparen) rparen = string(")") |> unwrap_and_tag(:rparen)
space =
choice([string(" "), string("\t"), string("\n"), string("\r"), string("\v"), string("\f")])
|> ignore()
number = number =
optional(ascii_char('-+')) optional(ascii_char('-+'))
|> ascii_char([?0..?9]) |> ascii_char([?0..?9])
@ -36,13 +40,113 @@ defmodule Philomena.Search.Lexer do
|> optional(ascii_char('.') |> ascii_char([?0..?9]) |> times(min: 1)) |> optional(ascii_char('.') |> ascii_char([?0..?9]) |> times(min: 1))
|> reduce(:to_number) |> reduce(:to_number)
bool =
choice([
string("true"),
string("false")
])
|> reduce({Jason, :decode!, []})
ipv4_octet =
ascii_string([?0..?9], min: 1, max: 3)
ipv4_mask =
string("/")
|> ascii_string([?0..?9], min: 1, max: 2)
ipv4_address =
concat(ipv4_octet, string("."))
|> concat(ipv4_octet)
|> string(".")
|> concat(ipv4_octet)
|> string(".")
|> concat(ipv4_octet)
ipv4_cidr =
concat(ipv4_address, optional(ipv4_mask))
ipv6_hexadectet =
ascii_string('0123456789abcdefABCDEF', min: 1, max: 4)
ipv6_mask =
string("/")
|> ascii_string([?0..?9], min: 1, max: 3)
ipv4_mapped_ipv6 =
string("::ffff:")
|> concat(ipv4_address)
# ipv6_address = # todo
year = integer(4)
month = integer(2)
day = integer(2)
hour = integer(2)
minute = integer(2)
second = integer(2)
tz_hour = integer(2)
tz_minute = integer(2)
ymd_sep = ignore(string("-"))
hms_sep = ignore(string(":"))
iso8601_sep = ignore(choice([string("T"), string("t"), space]))
iso8601_tzsep = choice([string("+"), string("-")])
zulu = ignore(choice([string("Z"), string("z")]))
"""
absolute_date =
year
|> optional(
concat(ymd_sep, month)
|> optional(
concat(ymd_sep, day)
|> optional(
concat(iso8601_sep, hour)
|> optional(
concat(hms_sep, minute)
|> optional(
concat(hms_sep, second)
)
)
)
)
)
|> optional(
choice([
concat(iso8601_tzsep, tz_hour)
|> optional(
concat(hms_sep, tz_minute)
),
zulu
])
)
"""
relative_date =
integer(min: 1)
|> ignore(concat(space, empty()))
|> choice([
string("second") |> optional(string("s")) |> replace(1),
string("minute") |> optional(string("s")) |> replace(60),
string("hour") |> optional(string("s")) |> replace(3600),
string("day") |> optional(string("s")) |> replace(86400),
string("week") |> optional(string("s")) |> replace(604800),
string("month") |> optional(string("s")) |> replace(2629746),
string("year") |> optional(string("s")) |> replace(31556952)
])
|> ignore(string(" ago"))
|> tag(:relative_date)
date =
# choice([
# absolute_date,
relative_date
# ])
boost = ignore(string("^")) |> unwrap_and_tag(number, :boost) boost = ignore(string("^")) |> unwrap_and_tag(number, :boost)
fuzz = ignore(string("~")) |> unwrap_and_tag(number, :fuzz) fuzz = ignore(string("~")) |> unwrap_and_tag(number, :fuzz)
space =
choice([string(" "), string("\t"), string("\n"), string("\r"), string("\v"), string("\f")])
|> ignore()
quot = string("\"") quot = string("\"")
quoted_term = quoted_term =