From 8879a6bd7c82d7cdb61ee8a293ee26490ed53e4e Mon Sep 17 00:00:00 2001
From: Feuerfuchs <git@feuerfuchs.dev>
Date: Sat, 18 Jan 2020 11:12:14 +0100
Subject: Remove ANSI SGR sequences from Gemini docs

---
 gopherproxy/gopherproxy.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/gopherproxy/gopherproxy.go b/gopherproxy/gopherproxy.go
index 4a7d972..453ee9c 100644
--- a/gopherproxy/gopherproxy.go
+++ b/gopherproxy/gopherproxy.go
@@ -29,6 +29,10 @@ import (
 	"github.com/temoto/robotstxt"
 )
 
+var (
+	TermEscapeSGRPattern = regexp.MustCompile("\\[\\d+(;\\d+)*m")
+)
+
 const (
 	ITEM_TYPE_GEMINI_LINE = ""
 	ITEM_TYPE_GEMINI_LINK = " =>"
@@ -177,6 +181,7 @@ func parseGeminiDocument(body *bytes.Buffer, uri string, hostport string) (items
 
 	for scanner.Scan() {
 		line := strings.Trim(scanner.Text(), "\r\n")
+		line = TermEscapeSGRPattern.ReplaceAllString(line, "")
 
 		item := Item{
 			Type: ITEM_TYPE_GEMINI_LINE,
-- 
cgit v1.2.3-54-g00ecf