cpp-peglib
A single file C++ header-only PEG (Parsing Expression Grammars) library (by yhirose)
scnlib
scanf for modern C++ (by eliaskosunen)
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| cpp-peglib | scnlib | |
|---|---|---|
| 4 | 18 | |
| 827 | 947 | |
| - | - | |
| 5.8 | 9.3 | |
| 6 days ago | 5 days ago | |
| C++ | C++ | |
| MIT License | Apache License 2.0 |
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
cpp-peglib
Posts with mentions or reviews of cpp-peglib.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2022-12-12.
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-š- 2022 Day 13 Solutions -š-
I used yhirose's PEG (parsing expression grammar) libraryfor parsing.
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What are some cool modern libraries you enjoy using?
By the same author, https://github.com/yhirose/cpp-peglib is also very nice.
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A Good Tool for Resuming Parsers?
Most of the research into this sort of incremental and differential parsing unsurprisingly looks to be in the Haskell community, but I was hoping that someone here might know of some C++-friendly tools that might support generating parsers that support interruption and resuming. cpp-peglib looked really promising, but its parsers don't look like they can be engaged from any but the initial state.
- yhirose/cpp-peglib - A single file C++ header-only PEG (Parsing Expression Grammars) library
scnlib
Posts with mentions or reviews of scnlib.
We have used some of these posts to build our list of alternatives
and similar projects. The last one was on 2023-12-07.
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Why are strings and IO so complicated?
scnlib (https://github.com/eliaskosunen/scnlib) scanf
- Reddit++
- Safe and cross platform C++11 alternative to sscanf
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CPM.cmake to make CMake's FetchContent easier
include(FetchContent) FetchContent_Declare( Catch2 GIT_REPOSITORY https://github.com/catchorg/Catch2.git GIT_TAG v3.0.0-preview4 ) FetchContent_Declare( fmt GIT_REPOSITORY https://github.com/fmtlib/fmt.git GIT_TAG 9.1.0 ) FetchContent_Declare( scnlib GIT_REPOSITORY https://github.com/eliaskosunen/scnlib.git GIT_TAG v1.1.2 ) FetchContent_MakeAvailable(Catch2 fmt scnlib)
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[C++20] ClearIO library (unfinished)
Yeah, but parsing format strings in runtime induces an overhead, and doing it in compile time is not trivial, and Iām not sure ClearIO is worth the trouble, since it turns out scnlib exists.
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My AoC2021 solutions in C++
The code is rather nice (in my biased opinion) and makes heavy use of a couple of libraries like scnlib and [Eigen](eigen.tuxfamily.org/). Some things could probably be more optimized but I mainly focused on conciseness. I hope this is useful and I can explain my thought process further if you have any questions.
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what annoys you most while using c++?
I've found https://github.com/eliaskosunen/scnlib but haven't tested it. Maybe that suits your needs for 2.
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The Year is 2022 and the Standard is C++20; what is your preferred way to do Text I/O?
I had a user enum like enum class Color {Red, Green, Blue}; that I wanted to add serialization support for. Following the docs (https://scnlib.readthedocs.io/), after some tweaks I arrived at the following:
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scnlib (scanf for modern C++) - version 1.0 released
Thanks for the comment, I made an issue tracking this: https://github.com/eliaskosunen/scnlib/issues/51
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Modern C++ in Advent of Code
I am using some modern libraries: scnlib fmtlib Eigen and usually abuse lambdas :)
What are some alternatives?
When comparing cpp-peglib and scnlib you can also consider the following projects:
PEGTL - Parsing Expression Grammar Template Library
C++ Format - A modern formatting library
ctpg - Compile Time Parser Generator is a C++ single header library which takes a language description as a C++ code and turns it into a LR1 table parser with a deterministic finite automaton lexical analyzer, all in compile time.
gainput - Cross-platform C++ input library supporting gamepads, keyboard, mouse, touch
filter_spirit - Advanced item filter generator for Path of Exile that uses it's own DSL and online item price APIs
aoc2021 - Advent of Code 2021
flex - The Fast Lexical Analyzer - scanner generator for lexing in C and C++
tinyformat - Minimal, type safe printf replacement library for C++
AoC-2022 - Advent of code 2022
libflow
scope_guard - A modern C++ scope guard that is easy to use but hard to misuse.
AnyAny - C++17 library for comfortable and efficient dynamic polymorphism