From 3c99fd4a4c2f707b70b80e73570773e36462bd52 Mon Sep 17 00:00:00 2001
From: Starbeamrainbowlabs <sbrl@starbeamrainbowlabs.com>
Date: Thu, 16 Jul 2020 17:07:25 +0100
Subject: [PATCH] Add support for the new parameter of Terrain50.ParseStream()

---
 Changelog.md                       | 3 +++
 src/Subcommands/validate/index.mjs | 4 ++--
 src/Subcommands/validate/meta.toml | 6 ++++++
 3 files changed, 11 insertions(+), 2 deletions(-)

diff --git a/Changelog.md b/Changelog.md
index 93fc915..c0e00c2 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -14,6 +14,9 @@ npm install --save terrain50-cli
 -----
 
 
+## Unreleased
+ - Add new `--use-regex` flag to `validate` subcommand
+
 ## v1.3
  - Added new `identify` subcommand
  - Added new `stream-slice` subcommand
diff --git a/src/Subcommands/validate/index.mjs b/src/Subcommands/validate/index.mjs
index 6634570..67005e0 100644
--- a/src/Subcommands/validate/index.mjs
+++ b/src/Subcommands/validate/index.mjs
@@ -16,8 +16,8 @@ export default async function(settings) {
 			break;
 		
 		case "stream":
-			let i = 0;
-			for await (let next of Terrain50.ParseStream(process.stdin)) {
+			let i = 0
+			for await (let next of Terrain50.ParseStream(process.stdin, settings.cli.use_regex ? /\s+/ : " ")) {
 				console.log(`>>> Item ${i} <<<`);
 				display_errors(next.validate());
 				i++;
diff --git a/src/Subcommands/validate/meta.toml b/src/Subcommands/validate/meta.toml
index a85f6d9..a6d6f43 100644
--- a/src/Subcommands/validate/meta.toml
+++ b/src/Subcommands/validate/meta.toml
@@ -5,3 +5,9 @@ name = "mode"
 description = "The mode to operate in. Possible values: validate (default), stream. If stream, then validation will be done on individual items after parsing (otherwise validation is done during parsing, which catches more errors)"
 default_value = "validate"
 type = "string"
+
+[[arguments]]
+name = "use-regex"
+description = "When in stream mode, setting this flag causes a regular expression to be used when parsing input data (otherwise it is assumed a single space separates data elements on a line). Makes the parser more tolerant, but less performant."
+default_value = false
+type = "boolean"