From 49beb17a8fbdbf3517c103a477a5459a3bba404d Mon Sep 17 00:00:00 2001
From: Autumn! <86073772+autumnull@users.noreply.github.com>
Date: Fri, 3 Feb 2023 10:58:58 +0000
Subject: [chore] Text formatting overhaul (#1406)

* Implement goldmark debug print for hashtags and mentions

* Minify HTML in FromPlain

* Convert plaintext status parser to goldmark

* Move mention/tag/emoji finding logic into formatter

* Combine mention and hashtag boundary characters

* Normalize unicode when rendering hashtags
---
 internal/text/link.go | 86 ---------------------------------------------------
 1 file changed, 86 deletions(-)
 delete mode 100644 internal/text/link.go

(limited to 'internal/text/link.go')

diff --git a/internal/text/link.go b/internal/text/link.go
deleted file mode 100644
index 2b2b45e73..000000000
--- a/internal/text/link.go
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
-   GoToSocial
-   Copyright (C) 2021-2023 GoToSocial Authors admin@gotosocial.org
-
-   This program is free software: you can redistribute it and/or modify
-   it under the terms of the GNU Affero General Public License as published by
-   the Free Software Foundation, either version 3 of the License, or
-   (at your option) any later version.
-
-   This program is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-   GNU Affero General Public License for more details.
-
-   You should have received a copy of the GNU Affero General Public License
-   along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-package text
-
-import (
-	"bytes"
-	"context"
-	"net/url"
-	"strings"
-
-	"github.com/superseriousbusiness/gotosocial/internal/regexes"
-)
-
-// FindLinks parses the given string looking for recognizable URLs (including scheme).
-// It returns a list of those URLs, without changing the string, or an error if something goes wrong.
-// If no URLs are found within the given string, an empty slice and nil will be returned.
-func FindLinks(in string) []*url.URL {
-	var urls []*url.URL
-
-	// bail already if we don't find anything
-	found := regexes.LinkScheme.FindAllString(in, -1)
-	if len(found) == 0 {
-		return nil
-	}
-
-	urlmap := map[string]struct{}{}
-
-	// for each string we find, we want to parse it into a URL if we can
-	// if we fail to parse it, just ignore this match and continue
-	for _, f := range found {
-		u, err := url.Parse(f)
-		if err != nil {
-			continue
-		}
-
-		// Calculate string
-		ustr := u.String()
-
-		if _, ok := urlmap[ustr]; !ok {
-			// Has not been encountered yet
-			urls = append(urls, u)
-			urlmap[ustr] = struct{}{}
-		}
-	}
-
-	return urls
-}
-
-// ReplaceLinks replaces all detected links in a piece of text with their HTML (href) equivalents.
-// Note: because Go doesn't allow negative lookbehinds in regex, it's possible that an already-formatted
-// href will end up double-formatted, if the text you pass here contains one or more hrefs already.
-// To avoid this, you should sanitize any HTML out of text before you pass it into this function.
-func (f *formatter) ReplaceLinks(ctx context.Context, in string) string {
-	return regexes.ReplaceAllStringFunc(regexes.LinkScheme, in, func(urlString string, buf *bytes.Buffer) string {
-		thisURL, err := url.Parse(urlString)
-		if err != nil {
-			return urlString // we can't parse it as a URL so don't replace it
-		}
-		// <a href="thisURL.String()" rel="noopener">urlString</a>
-		urlString = thisURL.String()
-		buf.WriteString(`<a href="`)
-		buf.WriteString(thisURL.String())
-		buf.WriteString(`" rel="noopener">`)
-		urlString = strings.TrimPrefix(urlString, thisURL.Scheme)
-		urlString = strings.TrimPrefix(urlString, "://")
-		buf.WriteString(urlString)
-		buf.WriteString(`</a>`)
-		return buf.String()
-	})
-}
-- 
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