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sapling/lib/configparser/Cargo.toml

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configparser: add a new Rust library Summary: This will be used to parse hgrc-like config files. Reviewed By: mitrandir77 Differential Revision: D8777330 fbshipit-source-id: 73a114df36e23246a3fc1206be202fba8705453a
2018-07-12 03:21:46 +03:00
[package]
name = "configparser"
version = "0.1.0"
[dependencies]
bytes = "0.4.8"
configparser: use dirs crate Summary: `home_dir` in stdlib is going to be deprecated. Therefore switch to external crate. Reviewed By: DurhamG Differential Revision: D8960874 fbshipit-source-id: e123debc5c58e6a632a801dedcd9fc6834cb1f65
2018-08-10 07:06:52 +03:00
dirs = "1.0.2"
configparser: add a new Rust library Summary: This will be used to parse hgrc-like config files. Reviewed By: mitrandir77 Differential Revision: D8777330 fbshipit-source-id: 73a114df36e23246a3fc1206be202fba8705453a
2018-07-12 03:21:46 +03:00
failure = "0.1.1"
failure_derive = "0.1.1"
configparser: use indexmap Summary: Switch to indexmap, which is more actively maintained than linked-hash-map. There is no visible performance difference when parsing large config files. Reviewed By: DurhamG Differential Revision: D8960870 fbshipit-source-id: 8d6650e2d8b14989061dceb2081a3f93004cea76
2018-08-10 07:06:54 +03:00
indexmap = "1.0.1"
configparser: use pest to parse config files Summary: [pest](https://github.com/pest-parser/pest) is an elegant Rust library for parsing text. A navie benchmark on a 1MB config file shows pest is about 1.5 to 2x slower. But the better error message and cleaner code seems worth it. Practically, in a VirtualBox VM, parsing a set of our config files takes 3-7ms. The overhead seems to be opening too many files. Reducing it to one file makes parsing complete in 2-4ms. Unfortunately the buck build has issues with the elegant syntax `#[grammar = "spec.pest"]`, because "spec.pest" cannot be located by pest_derive. Therefore a workaround is used to generate the parser. The motivation behind this is because I noticed multi-line value can not be taken as a plain Bytes slice. For example: [section] foo = line1 line2 "foo" should be "line1\nline2", instead of "line1\n line2". It does not make a difference on configlist. But it affects templates. Rather than making the parser more complex, it seems better to just adopt a reasonbly fast parsing library. Reviewed By: DurhamG Differential Revision: D8960876 fbshipit-source-id: 2fa04e38b706f7126008512732c9efa168f84cc7
2018-08-09 03:15:29 +03:00
pest = "1.0.6"
pest_derive = "1.0.7"
configparser: use shellexpand crate to expand paths Summary: The crate also helps expanding environment variables. Reviewed By: DurhamG Differential Revision: D8960873 fbshipit-source-id: c83fc7256a8297752a14c1d86d1ddb3735f95682
2018-08-10 07:06:50 +03:00
shellexpand = "1.0.0"
configparser: add a new Rust library Summary: This will be used to parse hgrc-like config files. Reviewed By: mitrandir77 Differential Revision: D8777330 fbshipit-source-id: 73a114df36e23246a3fc1206be202fba8705453a
2018-07-12 03:21:46 +03:00
[dev-dependencies]
configparser: add a benchmark parsing large files Summary: This would provide information about performance changes. Reviewed By: singhsrb Differential Revision: D9620252 fbshipit-source-id: 51d243b50b349c63e552bd1c43db17497025f73a
2018-09-08 02:54:44 +03:00
minibench = { path = "../minibench" }
configparser: add a new Rust library Summary: This will be used to parse hgrc-like config files. Reviewed By: mitrandir77 Differential Revision: D8777330 fbshipit-source-id: 73a114df36e23246a3fc1206be202fba8705453a
2018-07-12 03:21:46 +03:00
tempdir = "0.3.7"
configparser: add a benchmark parsing large files Summary: This would provide information about performance changes. Reviewed By: singhsrb Differential Revision: D9620252 fbshipit-source-id: 51d243b50b349c63e552bd1c43db17497025f73a
2018-09-08 02:54:44 +03:00
[[bench]]
name = "bench"
harness = false
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