key_value_parser alternatives and similar packages

Based on the "Lexical analysis" category.
Alternatively, view key_value_parser alternatives based on common mentions on social networks and blogs.

elixir_script

9.7 0.0 key_value_parser VS elixir_script

Converts Elixir to JavaScript
ex_abnf

5.6 0.0 key_value_parser VS ex_abnf

Parser for ABNF Grammars

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abnf_parsec

4.6 5.7 key_value_parser VS abnf_parsec

ABNF in, parser out
lex_luthor

3.9 7.5 key_value_parser VS lex_luthor

Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir. Lexer in Elixir.

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README

Logfmt for Elixir

A simple logfmt decoder for elixir that uses binary scanning for high performance.

Brought to you by Timber.io. This library is used to parse millions of log lines every day.

Installation

# mix.exs

def deps do
  [{:timber_logfmt, "~> 1.0"}]
end

Usage

Using = as the delimiter

Logfmt.parse("key1=value1 key2=\"This is a quoted value\" key3=1")
=> {:ok, [key1: "value1", key2: "This is a quoted value", key3: "1"]}

Using : as the delimiter

Logfmt.parse("key1:value1 key2:\"This is a quoted value\" key3:1 key4")
=> {:ok, [key1: "value1", key2: "This is a quoted value", key3: "1", key4=true]}

Notable logfmt deviations

We deviated slightly from the logfmt spec:

We accept : as a delimited in addition to =
We do not cast or coerce values. All values will parsed into a string. This is because logfmt does not have any syntax for types. Ex: key:true could evaluate to true or "true".
Values are decoded into a Keyword.t to preserve the order.
Valueless keywords will error. In the context of logging, this makes virtually any string valid, which is not ideal.
Unless keys are quoted, the charaters allowed are restricted.

Shoutout

If you appreciate this library, head over to timber.io.

License

Released into the public domain (see UNLICENSE). Optionally available under the ISC License (see LICENSE), meant especially for jurisdictions that do not recognize public domain works.

*Note that all licence references and agreements mentioned in the key_value_parser README section above are relevant to that project's source code only.