Scala Parser Combinators
Kaitai Struct
Scala Parser Combinators | Kaitai Struct | |
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3 | 44 | |
641 | 3,844 | |
-0.2% | 1.2% | |
6.9 | 7.5 | |
3 days ago | 25 days ago | |
Scala | Shell | |
Apache License 2.0 | GPL-3.0-or-later |
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Scala Parser Combinators
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Best way to port a scala + swing app to flutter?
Scala used to include a parser combinator library. I don't know whether it comes with a Scala grammar as an example but I'd probably take a day and experiment whether it would be possible to create an AST parser for the Scala grammar.
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thoroughful tutorial for scala.util.parsing.combinator._
If you find anything that isn't already linked from the README at https://github.com/scala/scala-parser-combinators , please PR the addition to the readme.
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-🎄- 2021 Day 18 Solutions -🎄-
Mostly a mess of pattern matching. I really need to make some generic tree utilities. Haven't been able to find a decent parser combinator that works in Scala 3 (I usually use fastparse which depends heavily on Scala 2 macros, and scala-parser-combinators works in Scala 3, but I've had a lot of trouble getting it to not be too greedy), so I used the state monad from cats to parse at the bottom of the file, which I think turned out fairly nice.
Kaitai Struct
- Reverse-engineering an encrypted IoT protocol
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Parsing an Undocumented File Format
- ImHex [2], which has a pattern language [3] which allows parsing, and it seems more powerful than what Kaitai offers. I stumbled upon some limitations with it but it was still useful.
[1]: https://kaitai.io/
- Kaitai Struct – a declarative language used to describe binary data structures
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HTTPie Desktop: cross-platform API testing client for humans
Beautiful. Didn't know something like this exists. Reminds me of Katai[0]
[0]. https://kaitai.io/
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Hacking the LG Monitor's EDID
An EDID override like this would be helpful for macOS as well, where the monitors swapping around after standby is a real annoyance [0] [1]
EDID rewrites are 99% of the time blocked by the monitor firmware: https://notes.alinpanaitiu.com/Decoding-monitor-EDID-on-macO...
By the way, one helpful tool that helped me navigate the EDID dump was Kaitai Struct [2]. It shows a side by side view with the hex view and the EDID structure, and it highlights the hex values in real time as you navigate the structure. Unfortunately [3] it doesn't support the extension blocks that the author needs.
[0] https://notes.alinpanaitiu.com/Weird-monitor-bugs
[1] https://forums.macrumors.com/threads/external-displays-swapp...
[2] https://kaitai.io/
[3] https://github.com/kaitai-io/edid.ksy
- Kaitai Struct: new way to develop parsers for binary structures
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Fq: Jq for Binary Formats
Kaitai Struct might be a good choice for that: https://kaitai.io/
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Ingesting, parsing and making sense of device log data
For binary log format, there's the excellent Kaitai Struct frameworks, that make it very easy to generate parsers from a declarative schema
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What is this tool? More info in comments
kaitai
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Visual Programming with Elixir: Learning to Write Binary Parsers (2019)
https://kaitai.io/
Worth a look if you are writing binary parsers.
What are some alternatives?
Fast Parse - Writing Fast Parsers Fast in Scala
Protobuf - Protocol Buffers - Google's data interchange format
Scopt - command line options parsing for Scala
csvkit - A suite of utilities for converting to and working with CSV, the king of tabular file formats.
Parboiled2 - A macro-based PEG parser generator for Scala 2.10+
Camelot - A Python library to extract tabular data from PDFs
Scallop - a simple Scala CLI parsing library
tablib - Python Module for Tabular Datasets in XLS, CSV, JSON, YAML, &c.
atto - friendly little parsers
PDFMiner - Python PDF Parser (Not actively maintained). Check out pdfminer.six.
decline - A composable command-line parser for Scala.
PyYAML