From 63050f3bad00098e4ce1ad40413e4f564e787bbf Mon Sep 17 00:00:00 2001
From: Lars Mueller <appgurulars@gmx.de>
Date: Thu, 4 Mar 2021 19:45:34 +0100
Subject: [PATCH] Add text.inputstream

---
 text.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/text.lua b/text.lua
index ea98f61..559c191 100644
--- a/text.lua
+++ b/text.lua
@@ -50,6 +50,19 @@ end
 
 trim_right = trim_end
 
+local inputstream_metatable = {
+	__index = {read = function(self, count)
+		local cursor = self.cursor + 1
+		self.cursor = self.cursor + count
+		local text = self.text:sub(cursor, self.cursor)
+		return text ~= "" and text or nil
+	end}
+}
+function inputstream(text)
+	return setmetatable({text = text, cursor = 0}, inputstream_metatable)
+end
+
+
 function split(text, delimiter, limit, is_regex)
 	limit = limit or math.huge
 	local no_regex = not is_regex