[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

1 files changed, 0 insertions, 112 deletions

diff --git a/internal/text/common.go b/internal/text/common.go
deleted file mode 100644
index 2293ca3fe..000000000
--- a/internal/text/common.go
+++ /dev/null
@@ -1,112 +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"
-	"strings"
-	"unicode"
-
-	"github.com/superseriousbusiness/gotosocial/internal/gtsmodel"
-	"github.com/superseriousbusiness/gotosocial/internal/log"
-	"github.com/superseriousbusiness/gotosocial/internal/regexes"
-	"github.com/superseriousbusiness/gotosocial/internal/util"
-)
-
-func (f *formatter) ReplaceTags(ctx context.Context, in string, tags []*gtsmodel.Tag) string {
-	spans := util.FindHashtagSpansInText(in)
-
-	if len(spans) == 0 {
-		return in
-	}
-
-	var b strings.Builder
-	i := 0
-
-spans:
-	for _, t := range spans {
-		b.WriteString(in[i:t.First])
-		i = t.Second
-		tagAsEntered := in[t.First+1 : t.Second]
-
-		for _, tag := range tags {
-			if strings.EqualFold(tagAsEntered, tag.Name) {
-				// replace the #tag with the formatted tag content
-				// `<a href="tag.URL" class="mention hashtag" rel="tag">#<span>tagAsEntered</span></a>
-				b.WriteString(`<a href="`)
-				b.WriteString(tag.URL)
-				b.WriteString(`" class="mention hashtag" rel="tag">#<span>`)
-				b.WriteString(tagAsEntered)
-				b.WriteString(`</span></a>`)
-				continue spans
-			}
-		}
-
-		b.WriteString(in[t.First:t.Second])
-	}
-
-	// Get the last bits.
-	i = spans[len(spans)-1].Second
-	b.WriteString(in[i:])
-
-	return b.String()
-}
-
-func (f *formatter) ReplaceMentions(ctx context.Context, in string, mentions []*gtsmodel.Mention) string {
-	return regexes.ReplaceAllStringFunc(regexes.MentionFinder, in, func(match string, buf *bytes.Buffer) string {
-		// we have a match, trim any spaces
-		matchTrimmed := strings.TrimSpace(match)
-
-		// check through mentions to find what we're matching
-		for _, menchie := range mentions {
-			if strings.EqualFold(matchTrimmed, menchie.NameString) {
-				// make sure we have an account attached to this mention
-				if menchie.TargetAccount == nil {
-					a, err := f.db.GetAccountByID(ctx, menchie.TargetAccountID)
-					if err != nil {
-						log.Errorf("error getting account with id %s from the db: %s", menchie.TargetAccountID, err)
-						return match
-					}
-					menchie.TargetAccount = a
-				}
-
-				// The mention's target is our target
-				targetAccount := menchie.TargetAccount
-
-				// Add any dropped space from match
-				if unicode.IsSpace(rune(match[0])) {
-					buf.WriteByte(match[0])
-				}
-
-				// replace the mention with the formatted mention content
-				// <span class="h-card"><a href="targetAccount.URL" class="u-url mention">@<span>targetAccount.Username</span></a></span>
-				buf.WriteString(`<span class="h-card"><a href="`)
-				buf.WriteString(targetAccount.URL)
-				buf.WriteString(`" class="u-url mention">@<span>`)
-				buf.WriteString(targetAccount.Username)
-				buf.WriteString(`</span></a></span>`)
-				return buf.String()
-			}
-		}
-
-		// the match wasn't in the list of mentions for whatever reason, so just return the match as we found it so nothing changes
-		return match
-	})
-}