mirror of
https://github.com/ChrisTitusTech/linutil.git
synced 2024-11-05 13:15:21 +00:00
feat: implement syntax highlighting for preview text (#568)
* implement syntax highlighting for preview text * remove errant lifetimes Co-authored-by: Adam Perkowski <adas1per@protonmail.com> * remove errant lifetimes Co-authored-by: Adam Perkowski <adas1per@protonmail.com> * update Cargo.lock * only iterate over visible lines * break lines up on init * implement side scrolling * Remove unnecessary #![soft_unstable] This was accidentally left in from benching --------- Co-authored-by: Adam Perkowski <adas1per@protonmail.com>
This commit is contained in:
cartercanedy
GitHub
parent
006326afa9
commit
76a4ffc70e
129
Cargo.lock
generated
129
Cargo.lock
generated
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@ -14,6 +14,15 @@ dependencies = [
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"zerocopy",
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]
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[[package]]
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name = "aho-corasick"
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version = "1.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "8e60d3430d3a69478ad0993f19238d2df97c507009a52b3c10addcd7f6bcb916"
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dependencies = [
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"memchr",
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]
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[[package]]
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name = "allocator-api2"
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version = "0.2.18"
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@ -35,6 +44,19 @@ dependencies = [
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"libc",
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]
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[[package]]
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name = "ansi-to-tui"
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version = "6.0.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "00c4af0bef1b514c9b6a32a773caf604c1390fa7913f4eaa23bfe76f251d6a42"
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dependencies = [
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"nom",
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"ratatui",
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"simdutf8",
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"smallvec",
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"thiserror",
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]
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[[package]]
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name = "anstream"
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version = "0.6.15"
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@ -483,6 +505,8 @@ dependencies = [
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name = "linutil_tui"
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version = "24.9.19"
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dependencies = [
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"ansi-to-tui",
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"anstyle",
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"chrono",
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"clap",
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"crossterm",
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@ -492,8 +516,11 @@ dependencies = [
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"portable-pty",
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"rand 0.8.5",
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"ratatui",
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"tree-sitter-bash",
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"tree-sitter-highlight",
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"tui-term",
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"unicode-width",
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"zips",
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]
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[[package]]
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@ -542,6 +569,12 @@ dependencies = [
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"autocfg",
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]
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[[package]]
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name = "minimal-lexical"
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version = "0.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "68354c5c6bd36d73ff3feceb05efa59b6acb7626617f4962be322a825e61f79a"
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[[package]]
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name = "mio"
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version = "1.0.2"
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@ -569,6 +602,16 @@ dependencies = [
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"pin-utils",
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]
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[[package]]
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name = "nom"
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version = "7.1.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "d273983c5a657a70a3e8f2a01329822f3b8c8172b73826411a55751e404a0a4a"
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dependencies = [
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"memchr",
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"minimal-lexical",
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]
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[[package]]
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name = "num-traits"
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version = "0.2.19"
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@ -770,6 +813,35 @@ dependencies = [
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"bitflags 2.6.0",
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]
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[[package]]
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name = "regex"
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version = "1.10.6"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "4219d74c6b67a3654a9fbebc4b419e22126d13d2f3c4a07ee0cb61ff79a79619"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-automata",
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"regex-syntax",
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]
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[[package]]
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name = "regex-automata"
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version = "0.4.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "38caf58cc5ef2fed281f89292ef23f6365465ed9a41b7a7754eb4e26496c92df"
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dependencies = [
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"aho-corasick",
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"memchr",
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"regex-syntax",
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]
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[[package]]
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name = "regex-syntax"
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version = "0.8.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "7a66a03ae7c801facd77a29370b4faec201768915ac14a721ba36f20bc9c209b"
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[[package]]
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name = "remove_dir_all"
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version = "0.5.3"
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@ -933,6 +1005,12 @@ dependencies = [
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"libc",
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]
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[[package]]
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name = "simdutf8"
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version = "0.1.4"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "f27f6278552951f1f2b8cf9da965d10969b2efdea95a6ec47987ab46edfe263a"
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[[package]]
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name = "smallvec"
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version = "1.13.2"
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@ -1057,6 +1135,46 @@ dependencies = [
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"winnow",
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]
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[[package]]
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name = "tree-sitter"
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version = "0.23.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "20f4cd3642c47a85052a887d86704f4eac272969f61b686bdd3f772122aabaff"
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dependencies = [
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"cc",
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"regex",
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"regex-syntax",
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"tree-sitter-language",
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]
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[[package]]
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name = "tree-sitter-bash"
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version = "0.23.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "3aa5e1c6bd02c0053f3f68edcf5d8866b38a8640584279e30fca88149ce14dda"
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dependencies = [
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"cc",
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"tree-sitter-language",
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]
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[[package]]
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name = "tree-sitter-highlight"
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version = "0.23.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "395d7a477a4504fd7d5e4d003e0dd41bd5b9c4985d53592a943a8354ec452dae"
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dependencies = [
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"lazy_static",
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"regex",
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"thiserror",
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"tree-sitter",
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]
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[[package]]
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name = "tree-sitter-language"
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version = "0.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "2545046bd1473dac6c626659cc2567c6c0ff302fc8b84a56c4243378276f7f57"
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[[package]]
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name = "tui-term"
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version = "0.1.13"
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@ -1362,3 +1480,14 @@ dependencies = [
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"quote",
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"syn",
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]
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[[package]]
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name = "zips"
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version = "0.1.7"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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checksum = "ba09194204fda6b1e206faf9096a3c0658ddf7606560f6edce112da3fcc9b111"
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dependencies = [
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"proc-macro2",
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"quote",
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"syn",
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]
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@ -25,6 +25,11 @@ tui-term = "0.1.12"
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unicode-width = "0.1.13"
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rand = { version = "0.8.5", optional = true }
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linutil_core = { path = "../core", version = "24.9.19" }
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tree-sitter-highlight = "0.23.0"
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tree-sitter-bash = "0.23.1"
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anstyle = "1.0.8"
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ansi-to-tui = "6.0.0"
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zips = "0.1.7"
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[build-dependencies]
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chrono = "0.4.33"
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@ -1,9 +1,18 @@
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use std::{
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borrow::Cow,
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collections::VecDeque,
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io::{Cursor, Read as _, Seek, SeekFrom, Write as _},
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};
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use crate::{
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float::FloatContent,
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hint::{Shortcut, ShortcutList},
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};
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use crossterm::event::{KeyCode, KeyEvent};
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use linutil_core::Command;
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use crossterm::event::{KeyCode, KeyEvent};
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use ratatui::{
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layout::Rect,
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style::{Style, Stylize},
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@ -11,53 +20,187 @@ use ratatui::{
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widgets::{Block, Borders, Clear, List},
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Frame,
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};
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use ansi_to_tui::IntoText;
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use tree_sitter_bash as hl_bash;
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use tree_sitter_highlight::{self as hl, HighlightEvent};
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use zips::zip_result;
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pub enum FloatingTextMode {
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Preview,
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Description,
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}
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pub struct FloatingText {
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text: Vec<String>,
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pub src: Vec<String>,
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max_line_width: usize,
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v_scroll: usize,
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h_scroll: usize,
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mode: FloatingTextMode,
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scroll: usize,
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}
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macro_rules! style {
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($r:literal, $g:literal, $b:literal) => {{
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use anstyle::{Color, RgbColor, Style};
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Style::new().fg_color(Some(Color::Rgb(RgbColor($r, $g, $b))))
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}};
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}
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const SYNTAX_HIGHLIGHT_STYLES: [(&str, anstyle::Style); 8] = [
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("function", style!(220, 220, 170)), // yellow
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("string", style!(206, 145, 120)), // brown
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("property", style!(156, 220, 254)), // light blue
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("comment", style!(92, 131, 75)), // green
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("embedded", style!(206, 145, 120)), // blue (string expansions)
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("constant", style!(79, 193, 255)), // dark blue
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("keyword", style!(197, 134, 192)), // magenta
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("number", style!(181, 206, 168)), // light green
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];
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fn get_highlighted_string(s: &str) -> Option<String> {
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let mut hl_conf = hl::HighlightConfiguration::new(
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hl_bash::LANGUAGE.into(),
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"bash",
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hl_bash::HIGHLIGHT_QUERY,
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"",
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"",
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)
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.ok()?;
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let matched_tokens = &SYNTAX_HIGHLIGHT_STYLES
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.iter()
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.map(|hl| hl.0)
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.collect::<Vec<_>>();
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hl_conf.configure(matched_tokens);
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let mut hl = hl::Highlighter::new();
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let mut style_stack = vec![anstyle::Style::new()];
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let src = s.as_bytes();
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let events = hl.highlight(&hl_conf, src, None, |_| None).ok()?;
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let mut buf = Cursor::new(vec![]);
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for event in events {
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match event.unwrap() {
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HighlightEvent::HighlightStart(h) => {
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style_stack.push(SYNTAX_HIGHLIGHT_STYLES.get(h.0)?.1);
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}
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HighlightEvent::HighlightEnd => {
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style_stack.pop();
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}
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HighlightEvent::Source { start, end } => {
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let style = style_stack.last()?;
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zip_result!(
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write!(&mut buf, "{}", style),
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buf.write_all(&src[start..end]),
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write!(&mut buf, "{style:#}"),
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)?;
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}
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}
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}
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let mut output = String::new();
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zip_result!(
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buf.seek(SeekFrom::Start(0)),
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buf.read_to_string(&mut output),
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)?;
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Some(output)
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}
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macro_rules! max_width {
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($($lines:tt)+) => {{
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$($lines)+.iter().fold(0, |accum, val| accum.max(val.len()))
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}}
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}
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#[inline]
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fn get_lines(s: &str) -> Vec<&str> {
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s.lines().collect::<Vec<_>>()
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}
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#[inline]
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fn get_lines_owned(s: &str) -> Vec<String> {
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get_lines(s).iter().map(|s| s.to_string()).collect()
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}
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impl FloatingText {
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pub fn new(text: Vec<String>, mode: FloatingTextMode) -> Self {
|
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pub fn new(text: String, mode: FloatingTextMode) -> Self {
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let src = get_lines(&text)
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.into_iter()
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.map(|s| s.to_string())
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.collect::<Vec<_>>();
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|
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let max_line_width = max_width!(src);
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|
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Self {
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text,
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scroll: 0,
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src,
|
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mode,
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max_line_width,
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v_scroll: 0,
|
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h_scroll: 0,
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}
|
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}
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|
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pub fn from_command(command: &Command, mode: FloatingTextMode) -> Option<Self> {
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let lines = match command {
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let (max_line_width, src) = match command {
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Command::Raw(cmd) => {
|
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// Reconstruct the line breaks and file formatting after the
|
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// 'include_str!()' call in the node
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cmd.lines().map(|line| line.to_string()).collect()
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// just apply highlights directly
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(max_width!(get_lines(cmd)), Some(cmd.clone()))
|
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}
|
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|
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Command::LocalFile(file_path) => {
|
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let file_contents = std::fs::read_to_string(file_path)
|
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// have to read from tmp dir to get cmd src
|
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let raw = std::fs::read_to_string(file_path)
|
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.map_err(|_| format!("File not found: {:?}", file_path))
|
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.unwrap();
|
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file_contents.lines().map(|line| line.to_string()).collect()
|
||||
|
||||
(max_width!(get_lines(&raw)), Some(raw))
|
||||
}
|
||||
|
||||
// If command is a folder, we don't display a preview
|
||||
Command::None => return None,
|
||||
Command::None => (0usize, None),
|
||||
};
|
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Some(Self::new(lines, mode))
|
||||
|
||||
let src = get_lines_owned(&get_highlighted_string(&src?)?);
|
||||
|
||||
Some(Self {
|
||||
src,
|
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mode,
|
||||
max_line_width,
|
||||
h_scroll: 0,
|
||||
v_scroll: 0,
|
||||
})
|
||||
}
|
||||
|
||||
fn scroll_down(&mut self) {
|
||||
if self.scroll + 1 < self.text.len() {
|
||||
self.scroll += 1;
|
||||
if self.v_scroll + 1 < self.src.len() {
|
||||
self.v_scroll += 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn scroll_up(&mut self) {
|
||||
if self.scroll > 0 {
|
||||
self.scroll -= 1;
|
||||
if self.v_scroll > 0 {
|
||||
self.v_scroll -= 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn scroll_left(&mut self) {
|
||||
if self.h_scroll > 0 {
|
||||
self.h_scroll -= 1;
|
||||
}
|
||||
}
|
||||
|
||||
fn scroll_right(&mut self) {
|
||||
if self.h_scroll + 1 < self.max_line_width {
|
||||
self.h_scroll += 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -82,25 +225,43 @@ impl FloatContent for FloatingText {
|
|||
|
||||
// Calculate the inner area to ensure text is not drawn over the border
|
||||
let inner_area = block.inner(area);
|
||||
|
||||
// Create the list of lines to be displayed
|
||||
let lines: Vec<Line> = self
|
||||
.text
|
||||
let Rect { height, .. } = inner_area;
|
||||
let lines = self
|
||||
.src
|
||||
.iter()
|
||||
.skip(self.scroll)
|
||||
.flat_map(|line| {
|
||||
if line.is_empty() {
|
||||
return vec![String::new()];
|
||||
.skip(self.v_scroll)
|
||||
.take(height as usize)
|
||||
.flat_map(|l| l.into_text().unwrap())
|
||||
.map(|line| {
|
||||
let mut skipped = 0;
|
||||
let mut spans = line
|
||||
.into_iter()
|
||||
.skip_while(|span| {
|
||||
let skip = (skipped + span.content.len()) <= self.h_scroll;
|
||||
if skip {
|
||||
skipped += span.content.len();
|
||||
true
|
||||
} else {
|
||||
false
|
||||
}
|
||||
line.chars()
|
||||
.collect::<Vec<char>>()
|
||||
.chunks(inner_area.width as usize)
|
||||
.map(|chunk| chunk.iter().collect())
|
||||
.collect::<Vec<String>>()
|
||||
})
|
||||
.take(inner_area.height as usize)
|
||||
.map(Line::from)
|
||||
.collect();
|
||||
.collect::<VecDeque<_>>();
|
||||
|
||||
if spans.is_empty() {
|
||||
Line::raw(Cow::Owned(String::new()))
|
||||
} else {
|
||||
if skipped < self.h_scroll {
|
||||
let to_split = spans.pop_front().unwrap();
|
||||
let new_content = to_split.content.clone().into_owned()
|
||||
[self.h_scroll - skipped..]
|
||||
.to_owned();
|
||||
spans.push_front(to_split.content(Cow::Owned(new_content)));
|
||||
}
|
||||
|
||||
Line::from(Vec::from(spans))
|
||||
}
|
||||
})
|
||||
.collect::<Vec<_>>();
|
||||
|
||||
// Create list widget
|
||||
let list = List::new(lines)
|
||||
|
|
@ -115,9 +276,12 @@ impl FloatContent for FloatingText {
|
|||
}
|
||||
|
||||
fn handle_key_event(&mut self, key: &KeyEvent) -> bool {
|
||||
use KeyCode::*;
|
||||
match key.code {
|
||||
KeyCode::Down | KeyCode::Char('j') => self.scroll_down(),
|
||||
KeyCode::Up | KeyCode::Char('k') => self.scroll_up(),
|
||||
Down | Char('j') => self.scroll_down(),
|
||||
Up | Char('k') => self.scroll_up(),
|
||||
Left | Char('h') => self.scroll_left(),
|
||||
Right | Char('l') => self.scroll_right(),
|
||||
_ => {}
|
||||
}
|
||||
false
|
||||
|
|
@ -133,7 +297,9 @@ impl FloatContent for FloatingText {
|
|||
hints: vec![
|
||||
Shortcut::new(vec!["j", "Down"], "Scroll down"),
|
||||
Shortcut::new(vec!["k", "Up"], "Scroll up"),
|
||||
Shortcut::new(vec!["Enter", "q"], "Close window"),
|
||||
Shortcut::new(vec!["h", "Left"], "Scroll left"),
|
||||
Shortcut::new(vec!["l", "Right"], "Scroll right"),
|
||||
Shortcut::new(vec!["Enter", "p", "d"], "Close window"),
|
||||
],
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -495,12 +495,7 @@ impl AppState {
|
|||
}
|
||||
fn enable_description(&mut self) {
|
||||
if let Some(command_description) = self.get_selected_description() {
|
||||
let description_content: Vec<String> = vec![]
|
||||
.into_iter()
|
||||
.chain(command_description.lines().map(|line| line.to_string())) // New line when \n is given in toml
|
||||
.collect();
|
||||
|
||||
let description = FloatingText::new(description_content, FloatingTextMode::Description);
|
||||
let description = FloatingText::new(command_description, FloatingTextMode::Description);
|
||||
self.spawn_float(description, 80, 80);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user