refactor(cheddar): Set up scaffolding for Markdown rendering
Generalises the two bits of the program that will be required either way (extension parsing and syntax loading). A dependency on Comrak is introduced as I think GitHub-flavoured Markdown (with all its fancy extensions) is desirable!
This commit is contained in:
Vincent Ambo
parent
eb650eb8d8
commit
d35aa4ae46
3 changed files with 224 additions and 13 deletions
183
tools/cheddar/Cargo.lock
generated
183
tools/cheddar/Cargo.lock
generated
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@ -94,6 +94,30 @@ name = "bitflags"
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version = "1.2.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "block-buffer"
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version = "0.7.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"block-padding 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
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"byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "block-padding"
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version = "0.1.5"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "byte-tools"
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version = "0.3.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "byteorder"
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version = "1.3.2"
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@ -121,6 +145,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "cheddar"
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version = "0.1.0"
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dependencies = [
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"comrak 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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"syntect 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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@ -148,6 +174,22 @@ dependencies = [
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"vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "comrak"
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version = "0.6.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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]
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[[package]]
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name = "crc32fast"
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version = "1.2.0"
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@ -156,6 +198,19 @@ dependencies = [
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"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "digest"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"generic-array 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "entities"
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version = "1.0.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "env_logger"
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version = "0.6.2"
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@ -176,6 +231,11 @@ dependencies = [
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"backtrace 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "fake-simd"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "flate2"
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version = "1.0.13"
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@ -200,6 +260,14 @@ dependencies = [
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"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "generic-array"
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version = "0.12.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "glob"
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version = "0.3.0"
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@ -263,6 +331,11 @@ dependencies = [
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"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "maplit"
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version = "1.0.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "memchr"
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version = "2.2.1"
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@ -306,11 +379,55 @@ dependencies = [
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"pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "opaque-debug"
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version = "0.2.3"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "peeking_take_while"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "pest"
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version = "2.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"ucd-trie 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "pest_derive"
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version = "2.1.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"pest 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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"pest_generator 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "pest_generator"
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version = "2.1.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"pest 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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name = "pest_meta"
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version = "2.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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dependencies = [
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"maplit 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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name = "pkg-config"
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version = "0.3.17"
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"serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "sha-1"
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version = "0.8.1"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "shlex"
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version = "0.1.1"
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"lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
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]
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[[package]]
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name = "twoway"
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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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dependencies = [
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[[package]]
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name = "typed-arena"
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version = "1.7.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "typenum"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "ucd-trie"
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version = "0.1.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "unchecked-index"
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version = "0.2.2"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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name = "unicode-width"
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version = "0.1.7"
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version = "0.2.0"
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source = "registry+https://github.com/rust-lang/crates.io-index"
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[[package]]
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name = "vec_map"
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@ -599,18 +761,26 @@ dependencies = [
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@ -621,12 +791,18 @@ dependencies = [
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|
||||
"checksum pest_derive 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "833d1ae558dc601e9a60366421196a8d94bc0ac980476d0b67e1d0988d72b2d0"
|
||||
"checksum pest_generator 2.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7b9fcf299b5712d06ee128a556c94709aaa04512c4dffb8ead07c5c998447fc0"
|
||||
"checksum pest_meta 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "df43fd99896fd72c485fe47542c7b500e4ac1e8700bf995544d1317a60ded547"
|
||||
"checksum pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)" = "05da548ad6865900e60eaba7f589cc0783590a92e940c26953ff81ddbab2d677"
|
||||
"checksum plist 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5f2a9f075f6394100e7c105ed1af73fb1859d6fd14e49d4290d578120beb167f"
|
||||
"checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
|
||||
|
|
@ -643,6 +819,7 @@ dependencies = [
|
|||
"checksum serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "414115f25f818d7dfccec8ee535d76949ae78584fc4f79a6f45a904bf8ab4449"
|
||||
"checksum serde_derive 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)" = "128f9e303a5a29922045a830221b8f78ec74a5f544944f3d5984f8ec3895ef64"
|
||||
"checksum serde_json 1.0.44 (registry+https://github.com/rust-lang/crates.io-index)" = "48c575e0cc52bdd09b47f330f646cf59afc586e9c4e3ccd6fc1f625b8ea1dad7"
|
||||
"checksum sha-1 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "23962131a91661d643c98940b20fcaffe62d776a823247be80a48fcb8b6fce68"
|
||||
"checksum shlex 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
|
||||
"checksum strsim 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8ea5119cdb4c55b55d432abb513a0429384878c15dde60cc77b1c99de1a95a6a"
|
||||
"checksum syn 1.0.11 (registry+https://github.com/rust-lang/crates.io-index)" = "dff0acdb207ae2fe6d5976617f887eb1e35a2ba52c13c7234c790960cdad9238"
|
||||
|
|
@ -650,9 +827,15 @@ dependencies = [
|
|||
"checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
|
||||
"checksum textwrap 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d326610f408c7a4eb6f51c37c330e496b08506c9457c9d34287ecc38809fb060"
|
||||
"checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
|
||||
"checksum twoway 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6b40075910de3a912adbd80b5d8bad6ad10a23eeb1f5bf9d4006839e899ba5bc"
|
||||
"checksum typed-arena 1.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a9b2228007eba4120145f785df0f6c92ea538f5a3635a612ecf4e334c8c1446d"
|
||||
"checksum typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d2783fe2d6b8c1101136184eb41be8b1ad379e4657050b8aaff0c79ee7575f9"
|
||||
"checksum ucd-trie 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8f00ed7be0c1ff1e24f46c3d2af4859f7e863672ba3a6e92e7cff702bf9f06c2"
|
||||
"checksum unchecked-index 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "eeba86d422ce181a719445e51872fa30f1f7413b62becb52e95ec91aa262d85c"
|
||||
"checksum unicode-width 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "caaa9d531767d1ff2150b9332433f32a24622147e5ebb1f26409d5da67afd479"
|
||||
"checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
|
||||
"checksum unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "826e7639553986605ec5979c7dd957c7895e93eabed50ab2ffa7f6128a75097c"
|
||||
"checksum unicode_categories 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39ec24b3121d976906ece63c9daad25b85969647682eee313cb5779fdd69e14e"
|
||||
"checksum vec_map 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "05c78687fb1a80548ae3250346c3db86a80a7cdd77bda190189f2d0a0987c81a"
|
||||
"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
|
||||
"checksum walkdir 2.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "9658c94fa8b940eab2250bd5a457f9c48b748420d71293b165c8cdbe2f55f71e"
|
||||
|
|
|
|||
|
|
@ -4,5 +4,7 @@ version = "0.1.0"
|
|||
authors = ["Vincent Ambo <mail@tazj.in>"]
|
||||
edition = "2018"
|
||||
|
||||
[dependencies.syntect]
|
||||
version = "3.3"
|
||||
[dependencies]
|
||||
comrak = "0.6"
|
||||
lazy_static = "1.4"
|
||||
syntect = "3.3"
|
||||
|
|
|
|||
|
|
@ -6,7 +6,8 @@ use std::path::Path;
|
|||
use syntect::easy::HighlightLines;
|
||||
use syntect::dumps::from_binary;
|
||||
use syntect::highlighting::ThemeSet;
|
||||
use syntect::parsing::{SyntaxSet, SyntaxReference};
|
||||
use syntect::parsing::SyntaxSet;
|
||||
use lazy_static::lazy_static;
|
||||
|
||||
use syntect::html::{
|
||||
append_highlighted_html_for_styled_line,
|
||||
|
|
@ -14,7 +15,14 @@ use syntect::html::{
|
|||
IncludeBackground,
|
||||
};
|
||||
|
||||
fn syntax_from_args(syntaxes: &SyntaxSet) -> Option<&SyntaxReference> {
|
||||
// Set up syntaxes as a lazy_static. Initialisation might not be
|
||||
// required in the case of Markdown rendering (if there's no code
|
||||
// blocks within the document).
|
||||
lazy_static! {
|
||||
static ref SYNTAXES: SyntaxSet = from_binary(include_bytes!(env!("BAT_SYNTAXES")));
|
||||
}
|
||||
|
||||
fn args_extension() -> Option<String> {
|
||||
// The name of the file to be formatted is usually passed in as
|
||||
// the first argument and can be used to determine a syntax set.
|
||||
let args = env::args().collect::<Vec<String>>();
|
||||
|
|
@ -22,10 +30,9 @@ fn syntax_from_args(syntaxes: &SyntaxSet) -> Option<&SyntaxReference> {
|
|||
return None
|
||||
}
|
||||
|
||||
Path::new(&args[1])
|
||||
.extension()
|
||||
Path::new(&args[1]).extension()
|
||||
.and_then(OsStr::to_str)
|
||||
.and_then(|ext| syntaxes.find_syntax_by_extension(ext))
|
||||
.map(|s| s.to_string())
|
||||
}
|
||||
|
||||
fn should_continue(res: &io::Result<usize>) -> bool {
|
||||
|
|
@ -35,9 +42,11 @@ fn should_continue(res: &io::Result<usize>) -> bool {
|
|||
}
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let syntaxes = from_binary(include_bytes!(env!("BAT_SYNTAXES")));
|
||||
fn format_markdown() {
|
||||
unimplemented!("Not able to format Markdown just yet");
|
||||
}
|
||||
|
||||
fn format_code(extension: String) {
|
||||
let stdin = io::stdin();
|
||||
let mut stdin = stdin.lock();
|
||||
let mut linebuf = String::new();
|
||||
|
|
@ -49,9 +58,15 @@ fn main() {
|
|||
let ts = ThemeSet::load_defaults();
|
||||
let theme = &ts.themes["InspiredGitHub"];
|
||||
|
||||
let syntax = syntax_from_args(&syntaxes)
|
||||
.or_else(|| syntaxes.find_syntax_by_first_line(&linebuf))
|
||||
.unwrap_or_else(|| syntaxes.find_syntax_plain_text());
|
||||
let syntax = SYNTAXES.find_syntax_by_extension(&extension)
|
||||
.or_else(|| SYNTAXES.find_syntax_by_first_line(&linebuf))
|
||||
.unwrap_or_else(|| SYNTAXES.find_syntax_plain_text());
|
||||
|
||||
// We're doing a completely different thing if the file is
|
||||
// Markdown, so lets do that thing.
|
||||
if syntax.name == "markdown" {
|
||||
|
||||
}
|
||||
|
||||
let mut hl = HighlightLines::new(syntax, theme);
|
||||
let (mut outbuf, bg) = start_highlighted_html_snippet(theme);
|
||||
|
|
@ -63,7 +78,7 @@ fn main() {
|
|||
// newlines to be efficient, and those are stripped in the lines
|
||||
// iterator.
|
||||
while should_continue(&read_result) {
|
||||
let regions = hl.highlight(&linebuf, &syntaxes);
|
||||
let regions = hl.highlight(&linebuf, &SYNTAXES);
|
||||
|
||||
append_highlighted_html_for_styled_line(
|
||||
®ions[..],
|
||||
|
|
@ -83,3 +98,14 @@ fn main() {
|
|||
|
||||
println!("</pre>");
|
||||
}
|
||||
|
||||
fn main() {
|
||||
let extension = args_extension()
|
||||
.expect("cheddar should be invoked with a filename!");
|
||||
|
||||
if extension == "md" {
|
||||
format_markdown();
|
||||
} else {
|
||||
format_code(extension);
|
||||
}
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue