From 307a077b6071adc6947c52f227ac29b9668d9f13 Mon Sep 17 00:00:00 2001
From: Ayman Bagabas <ayman.bagabas@gmail.com>
Date: Fri, 13 Sep 2024 10:12:29 -0400
Subject: [PATCH] feat(ansi): add parser pool to get/put parsers in a
 thread-safe manner

---
 ansi/parser_sync.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 ansi/parser_sync.go

diff --git a/ansi/parser_sync.go b/ansi/parser_sync.go
new file mode 100644
index 0000000..562e806
--- /dev/null
+++ b/ansi/parser_sync.go
@@ -0,0 +1,26 @@
+package ansi
+
+import (
+	"sync"
+
+	"github.com/charmbracelet/x/ansi/parser"
+)
+
+var parserPool = sync.Pool{
+	New: func() any {
+		return NewParser(parser.MaxParamsSize, 1024*4) // 4MB data buffer
+	},
+}
+
+// GetParser returns a parser from a sync pool.
+func GetParser() *Parser {
+	return parserPool.Get().(*Parser)
+}
+
+// PutParser returns a parser to a sync pool. The parser is reset
+// automatically.
+func PutParser(p *Parser) {
+	p.Reset()
+	p.DataLen = 0
+	parserPool.Put(p)
+}