Update HtmlFormatter.kt

优化

app/src/main/java/io/legado/app/utils/HtmlFormatter.kt

@@ -11,10 +11,10 @@ object HtmlFormatter {
     fun format(html: String?, otherRegex: Regex = otherHtmlRegex): String {
         html ?: return ""
         return html.replace(wrapHtmlRegex, "\n")
-            .replace(otherRegex, "")
+                .replace(otherRegex, "")
-            .replace("\\s*\\n+\\s*".toRegex(), "\n　　")
+                .replace("\\s*\\n+\\s*".toRegex(), "\n　　")
-            .replace("^[\\n\\s]+".toRegex(), "　　")
+                .replace("^[\\n\\s]+".toRegex(), "　　")
-            .replace("[\\n\\s]+$".toRegex(), "")
+                .replace("[\\n\\s]+$".toRegex(), "")
     }
 
     fun formatKeepImg(html: String?) = format(html, notImgHtmlRegex)
@@ -22,59 +22,43 @@ object HtmlFormatter {
     fun formatKeepImg(html: String?, redirectUrl: URL?): String {
         html ?: return ""
         val keepImgHtml = html.replace(wrapHtmlRegex, "\n")
-            .replace(notImgHtmlRegex, "")
+                .replace(notImgHtmlRegex, "")
-            .replace("[\\n\\s]+\$|^[\\n\\s]*".toRegex(), "")
+                .replace("[\\n\\s]+\$|^[\\n\\s]*".toRegex(), "")
-            .replace("\\s*\\n+\\s*".toRegex(), "\n")
+                .replace("\\s*\\n+\\s*".toRegex(), "\n")
 
         val sb = StringBuffer()
         val hasDataType:Boolean //是否有数据属性
 
         //图片有data-开头的数据属性时优先用数据属性作为src，没有数据属性时匹配src
         val imgPattern = Pattern.compile(
-            if(keepImgHtml.matches("<img[^>]*data-".toRegex())) {
+                if(keepImgHtml.matches("<img[^>]*data-".toRegex())) {
-                hasDataType = true
+                    hasDataType = true
-                "<img[^>]*data-[^=]*= *\"([^\"])\"[^>]*>"
+                    "<img[^>]*data-[^=]*= *\"([^\"])\"[^>]*>"
-            }
+                }
-            else {
+                else {
-                hasDataType = false
+                    hasDataType = false
-                "<img[^>]*src *= *\"([^\"{]+(?:\\{(?:[^{}]|\\{[^{}]*\\})*\\})?)\"[^>]*>"
+                    "<img[^>]*src *= *\"([^\"{]+(?:\\{(?:[^{}]|\\{[^{}]*\\})*\\})?)\"[^>]*>"
-            }, Pattern.CASE_INSENSITIVE
+                }, Pattern.CASE_INSENSITIVE
         )
 
         val matcher = imgPattern.matcher(keepImgHtml)
         var appendPos = 0
 
-        if(matcher.find()){
+        while(matcher.find()){
-            if(hasDataType || matcher.group(1)!!.indexOf(',') == -1) { //图片无参
+            val url = matcher.group(1)!!
-
+            val urlBefore = url.substringBefore(',')
-                do{
+            sb.append( keepImgHtml.substring(appendPos, matcher.start()).replace("\n","\n　　") ) //缩进换行下个非图片段落
-                    sb.append(keepImgHtml.substring(appendPos, matcher.start()).replace("\n","\n　　")) //非图片部分换行缩进
+            sb.append(
-                    sb.append( "<img src=\"${
+                    "<img src=\"${
-                        NetworkUtils.getAbsoluteURL(redirectUrl,matcher.group(1)!!)
+                        NetworkUtils.getAbsoluteURL(
-                    }\">" )
-                    appendPos = matcher.end()
-                }while (matcher.find())
-
-            }else{ //图片有参
-
-                do{
-                    val url = matcher.group(1)!!
-                    val urlBefore = url.substringBefore(',')
-                    sb.append( keepImgHtml.substring(appendPos, matcher.start()).replace("\n","\n　　") ) //缩进换行下个非图片段落
-                    sb.append(
-                        "<img src=\"${
-                            NetworkUtils.getAbsoluteURL(
                                 redirectUrl,
                                 urlBefore
-                            )
+                        )
-                        }${
+                    }${
-                            url.substring(urlBefore.length)
+                        url.substring(urlBefore.length)
-                        }\">"
+                    }\">"
-                    )
+            )
-                    appendPos = matcher.end()
+            appendPos = matcher.end()
-                }while(matcher.find())
-
-            }
         }
 
         if (appendPos < keepImgHtml.length) {