refactor: extract the line protocol parser to a separate crate

This will facilitate reusing the parser for other tasks.

Cargo.lock

@@ -373,6 +373,7 @@ dependencies = [
  "criterion 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "croaring 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "csv 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "delorean_line_parser 0.1.0",
  "delorean_test_helpers 0.1.0",
  "delorean_wal 0.1.0",
  "dirs 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -385,7 +386,6 @@ dependencies = [
  "hyper 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "integer-encoding 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "nom 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "num 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "prost 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -395,7 +395,6 @@ dependencies = [
  "serde 1.0.110 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.53 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_urlencoded 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "snafu 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.2.20 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -403,6 +402,17 @@ dependencies = [
  "tonic-build 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "delorean_line_parser"
+version = "0.1.0"
+dependencies = [
+ "delorean_test_helpers 0.1.0",
+ "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nom 5.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "snafu 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "delorean_test_helpers"
 version = "0.1.0"

Cargo.toml

@@ -7,6 +7,7 @@ default-run = "delorean"
 
 [workspace]
 members = [
+    "delorean_line_parser",
     "delorean_test_helpers",
     "delorean_utilities",
     "delorean_wal",
@@ -18,6 +19,7 @@ debug = true
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
+delorean_line_parser = { path = "delorean_line_parser" }
 delorean_wal = { path = "delorean_wal" }
 
 bytes = "0.5.4"
@@ -52,10 +54,8 @@ num = "0.2.1"
 croaring = "0.4.2"
 http = "0.2.0"
 serde_urlencoded = "0.6.1"
-nom = "5.1.1"
 snafu = "0.6.2"
 either = "1.5.3"
-smallvec = "1.2.0"
 flatbuffers = "0.6.1"
 
 [dev-dependencies]

delorean_line_parser/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "delorean_line_parser"
+version = "0.1.0"
+authors = ["Paul Dix <paul@pauldix.net>"]
+edition = "2018"
+
+[dependencies]
+either = "1.5.3"
+nom = "5.1.1"
+smallvec = "1.2.0"
+snafu = "0.6.2"
+
+[dev-dependencies]
+delorean_test_helpers = { path = "../delorean_test_helpers" }