优化链接分割规则，避免附加参数中存在 ,{ 时导致规则切错

修复<str0,str2,...{{js}}>这种页数列表写法中，js部分内含 < 或 > 会切割错误的问题

格式化图片和匹配图片规则不在使用同一个正则，加快图片处理速度。

优化一下不需要循环执行却被循环执行的操作

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt

@@ -394,10 +394,7 @@ class AnalyzeRule(val ruleData: RuleDataInterface) : JsExtensions {
             1
         }else 0
         var tmp: String
-
-
         val jsMatcher = JS_PATTERN.matcher(ruleStr)
-
         while (jsMatcher.find()){
             if (jsMatcher.start() > start) {
                 tmp = ruleStr.substring(start, jsMatcher.start()).trim { it <= ' ' }

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt

@@ -142,18 +142,14 @@ class AnalyzeUrl(
      */
     private fun initUrl() { //replaceKeyPageJs已经替换掉额外内容，此处url是基础形式，可以直接切首个‘,’之前字符串。
 
-        var pos = ruleUrl.indexOf(',')
-
         urlHasQuery = ruleUrl.substringBefore(',')
-
         url = NetworkUtils.getAbsoluteURL(baseUrl,urlHasQuery )
-
         NetworkUtils.getBaseUrl(url)?.let {
             baseUrl = it
         }
 
-        if(pos != -1 ) {
-            GSON.fromJsonObject<UrlOption>(ruleUrl.substring(pos + 1).trim{ it < '!'})?.let { option ->
+        if(urlHasQuery.length != ruleUrl.length ) {
+            GSON.fromJsonObject<UrlOption>(ruleUrl.substring(urlHasQuery.length + 1).trim{ it < '!'})?.let { option ->
 
                 option.method?.let {
                     if (it.equals("POST", true)) method = RequestMethod.POST
@@ -191,7 +187,7 @@ class AnalyzeUrl(
         when (method) {
             RequestMethod.GET -> {
                 if (!useWebView) {
-                    pos = url.indexOf('?')
+                    val pos = url.indexOf('?')
                     if(pos != -1) {
                         analyzeFields(url.substring(pos + 1))
                         url = url.substring(0,pos)

app/src/main/java/io/legado/app/ui/book/read/page/provider/ChapterProvider.kt

@@ -111,11 +111,9 @@ object ChapterProvider {
                     )
                 }
             } else if (book.getImageStyle() != Book.imgStyleText) {
-                var contentX = content.replace(AppPattern.imgPattern.toRegex(), "\n\$0\n").split("\n")
-                val start = contentX.first() == "\n"
-                val end = contentX.last() == "\n"
-                if(start || end )contentX = contentX.subList(if(start) 1 else 0,if(end) contentX.size-1 else contentX.size )
-                contentX.forEach { text ->
+                content.replace(AppPattern.imgPattern.toRegex(), "\n\$0\n").split("\n")
+                    .forEach { text ->
+                        if(text.isNotBlank()){
                             if (!text.startsWith("<img src=\"")) { //非图片
                                 val isTitle = index == 0
                                 val textPaint = if (isTitle) titlePaint else contentPaint
@@ -134,6 +132,7 @@ object ChapterProvider {
                         }
                     }
             }
+        }
         textPages.last().height = durY + 20.dp
         textPages.last().text = stringBuilder.toString()
         textPages.forEachIndexed { index, item ->