🎨 块引搜索结果高亮片段改进 https://github.com/siyuan-note/siyuan/issues/5125

改进全局搜索多个关键字命中时高亮片段 https://github.com/siyuan-note/siyuan/issues/5124

app/appearance/langs/en_US.json

@@ -526,7 +526,7 @@
   "md35": "Virtual Reference keyword exclusion list",
   "md36": "Use the English comma <code>,</code> to separate, the comma itself can be escaped by <code>\\,</code>",
   "md37": "The maximum length of block ref dynamic anchor text",
-  "md38": "The maximum length of the anchor text that is automatically rendered when the block ref anchor text is not customized, the default is <code>64</code> characters",
+  "md38": "The maximum length of the anchor text that is automatically rendered when the block ref anchor text is not customized, the default is <code>96</code> characters",
   "md39": "PlantUML Serve Address",
   "md40": "Leave blank to restore default <code>https://www.plantuml.com/plantuml/svg/~1</code>",
   "fileTree2": "The doc tree will automatically select the current document when the editor tab is switched",

app/appearance/langs/fr_FR.json

@@ -526,7 +526,7 @@
   "md35": "Liste d'exclusion des mots-clés de la référence virtuelle",
   "md36": "Utiliser la virgule anglaise <code>,</code> pour séparer, la virgule elle-même peut être échappée par  <code>\\,</code>",
   "md37": "La longueur maximale du texte d'ancrage dynamique de référence de bloc",
-  "md38": "La longueur maximale du texte d'ancrage qui est automatiquement rendu lorsque le texte d'ancrage de la référence de bloc n'est pas personnalisé, la valeur par défaut est de <code>64</code> caractères",
+  "md38": "La longueur maximale du texte d'ancrage qui est automatiquement rendu lorsque le texte d'ancrage de la référence de bloc n'est pas personnalisé, la valeur par défaut est de <code>96</code> caractères",
   "md39": "Adresse Servo PlantUML",
   "md40": "Laissez vide pour restaurer <code>https://www.plantuml.com/plantuml/svg/~1/code> par défaut",
   "fileTree2": "L'arbre des Docs sélectionne automatiquement le document en cours lorsque l'on change d'onglet d'édition",

app/appearance/langs/zh_CHT.json

@@ -526,7 +526,7 @@
   "md35": "虛擬引用關鍵字排除列表",
   "md36": "使用英文狀態下的逗號 <code>,</code> 進行分隔，逗號自身可通過 <code>\\,</code> 轉義",
   "md37": "塊引動態錨文本最大長度",
-  "md38": "不自訂塊引錨文本時自動渲染錨文本的最大長度，預設為 <code>64</code> 個字元",
+  "md38": "不自訂塊引錨文本時自動渲染錨文本的最大長度，預設為 <code>96</code> 個字元",
   "md39": "PlantUML 伺服地址",
   "md40": "留空將恢復默認值 <code>https://www.plantuml.com/plantuml/svg/~1</code>",
   "fileTree2": "在編輯器切換分頁時文檔樹會自動選中當前的文檔",

app/appearance/langs/zh_CN.json

@@ -527,7 +527,7 @@
   "md35": "虚拟引用关键字排除列表",
   "md36": "使用英文状态下的逗号 <code>,</code> 进行分隔，逗号自身可通过 <code>\\,</code> 转义",
   "md37": "块引动态锚文本最大长度",
-  "md38": "不自定义块引锚文本时自动渲染锚文本的最大长度，默认为 <code>64</code> 个字符",
+  "md38": "不自定义块引锚文本时自动渲染锚文本的最大长度，默认为 <code>96</code> 个字符",
   "md39": "PlantUML 伺服地址",
   "md40": "留空将恢复默认值 <code>https://www.plantuml.com/plantuml/svg/~1</code>",
   "fileTree2": "在编辑器页签切换时文档树会自动选中当前的文档",

kernel/conf/editor.go

@@ -47,7 +47,7 @@ func NewEditor() *Editor {
 		HistoryRetentionDays:            30,
 		Emoji:                           []string{},
 		VirtualBlockRef:                 false,
-		BlockRefDynamicAnchorTextMaxLen: 64,
+		BlockRefDynamicAnchorTextMaxLen: 96,
 		PlantUMLServePath:               "https://www.plantuml.com/plantuml/svg/~1",
 	}
 }

kernel/model/search.go

@@ -26,7 +26,6 @@ import (
 
 	"github.com/88250/gulu"
 	"github.com/88250/lute/ast"
-	"github.com/88250/lute/html"
 	"github.com/88250/lute/parse"
 	"github.com/jinzhu/copier"
 	"github.com/siyuan-note/siyuan/kernel/conf"
@@ -249,12 +248,12 @@ func fullTextSearchRefBlock(keyword string, beforeLen int) (ret []*Block) {
 	}
 
 	projections := "id, parent_id, root_id, hash, box, path, " +
-		"highlight(" + table + ", 6, '__@mark__', '__mark@__') AS hpath, " +
-		"highlight(" + table + ", 7, '__@mark__', '__mark@__') AS name, " +
-		"highlight(" + table + ", 8, '__@mark__', '__mark@__') AS alias, " +
-		"highlight(" + table + ", 9, '__@mark__', '__mark@__') AS memo, " +
+		"snippet(" + table + ", 6, '<mark>__r', '</mark>', '...', 64) AS hpath, " +
+		"snippet(" + table + ", 7, '<mark>__r', '</mark>', '...', 64) AS name, " +
+		"snippet(" + table + ", 8, '<mark>__r', '</mark>', '...', 64) AS alias, " +
+		"snippet(" + table + ", 9, '<mark>__r', '</mark>', '...', 64) AS memo, " +
 		"tag, " +
-		"highlight(" + table + ", 11, '__@mark__', '__mark@__') AS content, " +
+		"snippet(" + table + ", 11, '<mark>__r', '</mark>', '...', 64) AS content, " +
 		"fcontent, markdown, length, type, subtype, ial, sort, created, updated"
 	stmt := "SELECT " + projections + " FROM " + table + " WHERE " + table + " MATCH '" + columnFilter() + ":(" + quotedKeyword + ")' AND type IN " + Conf.Search.TypeFilter()
 	orderBy := ` order by case
@@ -383,19 +382,28 @@ func query2Stmt(queryStr string) (ret string) {
 	return
 }
 
-func markSearch(text string, keyword string, beforeLen int) (pos int, marked string, score float64) {
+func markSearch(text string, keyword string, beforeLen int) (marked string, score float64) {
 	if 0 == len(keyword) {
 		marked = text
 		if maxLen := 5120; maxLen < utf8.RuneCountInString(marked) {
 			marked = gulu.Str.SubStr(marked, maxLen) + "..."
 		}
-		marked = html.EscapeString(marked)
-		marked = strings.ReplaceAll(marked, "__@mark__", "<mark>")
-		marked = strings.ReplaceAll(marked, "__mark@__", "</mark>")
+
+		if strings.Contains(marked, "<mark>__r") { // 使用 FTS snippet() 处理过高亮片段，这里简单替换后就返回
+			marked = strings.ReplaceAll(marked, "<mark>__r", "<mark>")
+			return
+		}
+
+		keywords := util.SubstringsBetween(marked, "__@mark__", "__mark@__")
+		keywords = util.RemoveDuplicatedElem(keywords)
+		keyword = strings.Join(keywords, search.TermSep)
+		marked = strings.ReplaceAll(marked, "__@mark__", "")
+		marked = strings.ReplaceAll(marked, "__mark@__", "")
+		_, marked = search.MarkText(marked, keyword, beforeLen, Conf.Search.CaseSensitive)
 		return
 	}
 
-	pos, marked = search.MarkText(text, keyword, beforeLen, Conf.Search.CaseSensitive)
+	pos, marked := search.MarkText(text, keyword, beforeLen, Conf.Search.CaseSensitive)
 	if -1 < pos {
 		if 0 == pos {
 			score = 1
@@ -424,7 +432,7 @@ func fromSQLBlock(sqlBlock *sql.Block, terms string, beforeLen int) (block *Bloc
 	content := sqlBlock.Content
 	p := sqlBlock.Path
 
-	_, content, _ = markSearch(content, terms, beforeLen)
+	content, _ = markSearch(content, terms, beforeLen)
 	markdown := maxContent(sqlBlock.Markdown, 5120)
 	content = maxContent(content, 5120)
 
@@ -454,20 +462,20 @@ func fromSQLBlock(sqlBlock *sql.Block, terms string, beforeLen int) (block *Bloc
 		}
 	}
 
-	_, hPath, _ := markSearch(sqlBlock.HPath, terms, 18)
+	hPath, _ := markSearch(sqlBlock.HPath, terms, 18)
 	if !strings.HasPrefix(hPath, "/") {
 		hPath = "/" + hPath
 	}
 	block.HPath = hPath
 
 	if "" != block.Name {
-		_, block.Name, _ = markSearch(block.Name, terms, 256)
+		block.Name, _ = markSearch(block.Name, terms, 256)
 	}
 	if "" != block.Alias {
-		_, block.Alias, _ = markSearch(block.Alias, terms, 256)
+		block.Alias, _ = markSearch(block.Alias, terms, 256)
 	}
 	if "" != block.Memo {
-		_, block.Memo, _ = markSearch(block.Memo, terms, 256)
+		block.Memo, _ = markSearch(block.Memo, terms, 256)
 	}
 	return
 }