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working date parsing

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This commit is contained in:
byte[] 2019-08-22 00:45:38 -04:00
parent 50740b7b91
commit 7845ab4818
1 changed files with 38 additions and 21 deletions
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59
lib/philomena/search/lexer.ex
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@ -91,37 +91,54 @@ defmodule Philomena.Search.Lexer do
ymd_sep = ignore(string("-")) ymd_sep = ignore(string("-"))
hms_sep = ignore(string(":")) hms_sep = ignore(string(":"))
iso8601_sep = ignore(choice([string("T"), string("t"), space])) iso8601_sep = ignore(choice([string("T"), string("t"), space]))
iso8601_tzsep = choice([string("+"), string("-")]) iso8601_tzsep =
choice([
string("+") |> replace(1),
string("-") |> replace(-1)
])
zulu = ignore(choice([string("Z"), string("z")])) zulu = ignore(choice([string("Z"), string("z")]))
""" date_part =
absolute_date =
year year
|> optional( |> optional(
concat(ymd_sep, month) ymd_sep
|> concat(month)
|> optional( |> optional(
concat(ymd_sep, day) ymd_sep
|> concat(day)
|> optional( |> optional(
concat(iso8601_sep, hour) iso8601_sep
|> optional( |> optional(
concat(hms_sep, minute) hour
|> optional( |> optional(
concat(hms_sep, second) hms_sep
|> concat(minute)
|> optional(
concat(hms_sep, second)
)
) )
) )
) )
) )
) )
|> optional( |> tag(:date)
choice([
concat(iso8601_tzsep, tz_hour) timezone_part =
|> optional( choice([
concat(hms_sep, tz_minute) iso8601_tzsep
), |> concat(tz_hour)
zulu |> optional(
]) hms_sep
) |> concat(tz_minute)
""" )
|> tag(:timezone),
zulu
])
absolute_date =
date_part
|> optional(timezone_part)
|> tag(:absolute_date)
relative_date = relative_date =
integer(min: 1) integer(min: 1)
@ -139,10 +156,10 @@ defmodule Philomena.Search.Lexer do
|> tag(:relative_date) |> tag(:relative_date)
date = date =
# choice([ choice([
# absolute_date, absolute_date,
relative_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)