diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt
index 62bde5a88..b2704513a 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSonPath.kt
@@ -1,78 +1,77 @@
 package io.legado.app.model.analyzeRule
 
-import android.text.TextUtils
 import androidx.annotation.Keep
 import com.jayway.jsonpath.JsonPath
 import com.jayway.jsonpath.ReadContext
-import io.legado.app.utils.splitNotBlank
 import java.util.*
-import java.util.regex.Pattern
 
 @Suppress("RegExpRedundantEscape")
 @Keep
 class AnalyzeByJSonPath(json: Any) {
 
     companion object {
-        private val jsonRulePattern = Pattern.compile("(?<=\\{)\\$\\..+?(?=\\})")
 
         fun parse(json: Any): ReadContext {
             return when (json) {
                 is ReadContext -> json
-                is String -> JsonPath.parse(json)
-                else -> JsonPath.parse(json)
+                is String -> JsonPath.parse(json) //JsonPath.parse<String>(json)
+                else -> JsonPath.parse(json) //JsonPath.parse<Any>(json)
             }
         }
     }
 
     private var ctx: ReadContext = parse(json)
 
+    /**
+     * 改进解析方法
+     * 解决阅读”&&“、”||“与jsonPath支持的”&&“、”||“之间的冲突
+     * 解决{$.rule}形式规则可能匹配错误的问题，旧规则用正则解析内容含‘}’的json文本时，用规则中的字段去匹配这种内容会匹配错误.现改用平衡嵌套方法解决这个问题
+     * */
     fun getString(rule: String): String? {
-        if (TextUtils.isEmpty(rule)) return null
-        var result = ""
-        val rules: Array<String>
-        val elementsType: String
-        if (rule.contains("&&")) {
-            rules = rule.splitNotBlank("&&")
-            elementsType = "&"
-        } else {
-            rules = rule.splitNotBlank("||")
-            elementsType = "|"
-        }
+        if (rule.isEmpty()) return null
+        var result: String
+        val ruleAnalyzes = RuleAnalyzer(rule)
+        val rules = ruleAnalyzes.splitRule("&&","||")
+
         if (rules.size == 1) {
-            if (!rule.contains("{$.")) {
+
+            ruleAnalyzes.reSetPos() //将pos重置为0，复用解析器
+
+            result = ruleAnalyzes.innerRule("{$."){ getString(it) } //替换所有{$.rule...}
+
+            if (result.isEmpty()) { //st为空，表明无成功替换的内嵌规则
+
                 try {
+
                     val ob = ctx.read<Any>(rule)
-                    result =
-                        if (ob is List<*>) {
-                            val builder = StringBuilder()
-                            for (o in ob) {
-                                builder.append(o).append("\n")
-                            }
-                            builder.toString().replace("\\n$".toRegex(), "")
-                        } else {
-                            ob.toString()
+
+                    result =(if (ob is List<*>) {
+
+                        val builder = StringBuilder()
+                        for (o in ob) {
+                            builder.append(o).append("\n")
                         }
+
+                        builder.deleteCharAt(builder.lastIndex) //删除末尾赘余换行
+
+                        builder
+
+                    } else ob).toString()
+
                 } catch (ignored: Exception) {
                 }
-                return result
-            } else {
-                result = rule
-                val matcher = jsonRulePattern.matcher(rule)
-                while (matcher.find()) {
-                    result = result.replace(
-                        String.format("{%s}", matcher.group()),
-                        getString(matcher.group())!!
-                    )
-                }
-                return result
+
             }
+
+            return result
+
         } else {
             val textList = arrayListOf<String>()
             for (rl in rules) {
                 val temp = getString(rl)
                 if (!temp.isNullOrEmpty()) {
                     textList.add(temp)
-                    if (elementsType == "|") {
+                    if (ruleAnalyzes.elementsType == "||") {
                         break
                     }
                 }
@@ -83,59 +82,48 @@ class AnalyzeByJSonPath(json: Any) {
 
     internal fun getStringList(rule: String): List<String> {
         val result = ArrayList<String>()
-        if (TextUtils.isEmpty(rule)) return result
-        val rules: Array<String>
-        val elementsType: String
-        when {
-            rule.contains("&&") -> {
-                rules = rule.splitNotBlank("&&")
-                elementsType = "&"
-            }
-            rule.contains("%%") -> {
-                rules = rule.splitNotBlank("%%")
-                elementsType = "%"
-            }
-            else -> {
-                rules = rule.splitNotBlank("||")
-                elementsType = "|"
-            }
-        }
+        if (rule.isEmpty()) return result
+        val ruleAnalyzes = RuleAnalyzer(rule)
+        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+
         if (rules.size == 1) {
-            if (!rule.contains("{$.")) {
+
+            ruleAnalyzes.reSetPos() //将pos重置为0，复用解析器
+
+            val st = ruleAnalyzes.innerRule("{$."){ getString(it) } //替换所有{$.rule...}
+
+            if (st.isEmpty()) { //st为空，表明无成功替换的内嵌规则
+
                 try {
-                    val obj = ctx.read<Any>(rule) ?: return result
+
+                    val obj = ctx.read<Any>(rule) //kotlin的Any型返回值不包含null ，删除赘余 ?: return result
+
                     if (obj is List<*>) {
-                        for (o in obj)
-                            result.add(o.toString())
-                    } else {
-                        result.add(obj.toString())
-                    }
+
+                        for (o in obj) result.add(o.toString())
+
+                    } else result.add(obj.toString())
+
                 } catch (ignored: Exception) {
                 }
-                return result
-            } else {
-                val matcher = jsonRulePattern.matcher(rule)
-                while (matcher.find()) {
-                    val stringList = getStringList(matcher.group())
-                    for (s in stringList) {
-                        result.add(rule.replace(String.format("{%s}", matcher.group()), s))
-                    }
-                }
-                return result
-            }
+
+            }else result.add(st)
+
+            return result
+
         } else {
             val results = ArrayList<List<String>>()
             for (rl in rules) {
                 val temp = getStringList(rl)
                 if (temp.isNotEmpty()) {
                     results.add(temp)
-                    if (temp.isNotEmpty() && elementsType == "|") {
+                    if (temp.isNotEmpty() && ruleAnalyzes.elementsType == "||") {
                         break
                     }
                 }
             }
             if (results.size > 0) {
-                if ("%" == elementsType) {
+                if ("%%" == ruleAnalyzes.elementsType) {
                     for (i in results[0].indices) {
                         for (temp in results) {
                             if (i < temp.size) {
@@ -159,23 +147,9 @@ class AnalyzeByJSonPath(json: Any) {
 
     internal fun getList(rule: String): ArrayList<Any>? {
         val result = ArrayList<Any>()
-        if (TextUtils.isEmpty(rule)) return result
-        val elementsType: String
-        val rules: Array<String>
-        when {
-            rule.contains("&&") -> {
-                rules = rule.splitNotBlank("&&")
-                elementsType = "&"
-            }
-            rule.contains("%%") -> {
-                rules = rule.splitNotBlank("%%")
-                elementsType = "%"
-            }
-            else -> {
-                rules = rule.splitNotBlank("||")
-                elementsType = "|"
-            }
-        }
+        if (rule.isEmpty()) return result
+        val ruleAnalyzes = RuleAnalyzer(rule)
+        val rules = ruleAnalyzes.splitRule("&&","||","%%")
         if (rules.size == 1) {
             ctx.let {
                 try {
@@ -191,13 +165,13 @@ class AnalyzeByJSonPath(json: Any) {
                 val temp = getList(rl)
                 if (temp != null && temp.isNotEmpty()) {
                     results.add(temp)
-                    if (temp.isNotEmpty() && elementsType == "|") {
+                    if (temp.isNotEmpty() && ruleAnalyzes.elementsType == "||") {
                         break
                     }
                 }
             }
             if (results.size > 0) {
-                if ("%" == elementsType) {
+                if ("%%" == ruleAnalyzes.elementsType) {
                     for (i in 0 until results[0].size) {
                         for (temp in results) {
                             if (i < temp.size) {
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSoup.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSoup.kt
index be68320e9..4ce3be1bb 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSoup.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByJSoup.kt
@@ -1,9 +1,7 @@
 package io.legado.app.model.analyzeRule
 
-import android.text.TextUtils.isEmpty
 import android.text.TextUtils.join
 import androidx.annotation.Keep
-import io.legado.app.utils.splitNotBlank
 import org.jsoup.Jsoup
 import org.jsoup.nodes.Element
 import org.jsoup.select.Collector
@@ -19,6 +17,9 @@ import java.util.*
 @Keep
 class AnalyzeByJSoup(doc: Any) {
     companion object {
+        /**
+         * "class", "id", "tag", "text", "children"
+         */
         val validKeys = arrayOf("class", "id", "tag", "text", "children")
 
         fun parse(doc: Any): Element {
@@ -36,67 +37,44 @@ class AnalyzeByJSoup(doc: Any) {
     /**
      * 获取列表
      */
-    internal fun getElements(rule: String): Elements {
-        return getElements(element, rule)
-    }
+    internal fun getElements(rule: String) = getElements(element, rule)
 
     /**
      * 合并内容列表,得到内容
      */
-    internal fun getString(ruleStr: String): String? {
-        if (isEmpty(ruleStr)) {
-            return null
-        }
-        val textS = getStringList(ruleStr)
-        return if (textS.isEmpty()) {
-            null
-        } else {
-            textS.joinToString("\n")
-        }
-
-    }
+    internal fun getString(ruleStr: String) =
+        if(ruleStr.isEmpty()) null
+        else getStringList(ruleStr).takeIf { it.isNotEmpty() }?.joinToString("\n")
 
     /**
      * 获取一个字符串
      */
-    internal fun getString0(ruleStr: String): String {
-        val urlList = getStringList(ruleStr)
-        return if (urlList.isNotEmpty()) {
-            urlList[0]
-        } else ""
-    }
+    internal fun getString0(ruleStr: String) = getStringList(ruleStr).let{ if ( it.isEmpty() ) "" else it[0] }
 
     /**
      * 获取所有内容列表
      */
     internal fun getStringList(ruleStr: String): List<String> {
+
         val textS = ArrayList<String>()
-        if (isEmpty(ruleStr)) {
-            return textS
-        }
+
+        if (ruleStr.isEmpty()) return textS
+
         //拆分规则
         val sourceRule = SourceRule(ruleStr)
-        if (isEmpty(sourceRule.elementsRule)) {
+
+        if (sourceRule.elementsRule.isEmpty()) {
+
             textS.add(element.data() ?: "")
+
         } else {
-            val elementsType: String
-            val ruleStrS: Array<String>
-            when {
-                sourceRule.elementsRule.contains("&&") -> {
-                    elementsType = "&"
-                    ruleStrS = sourceRule.elementsRule.splitNotBlank("&&")
-                }
-                sourceRule.elementsRule.contains("%%") -> {
-                    elementsType = "%"
-                    ruleStrS = sourceRule.elementsRule.splitNotBlank("%%")
-                }
-                else -> {
-                    elementsType = "|"
-                    ruleStrS = sourceRule.elementsRule.splitNotBlank("||")
-                }
-            }
+
+            val ruleAnalyzes = RuleAnalyzer(sourceRule.elementsRule)
+            val ruleStrS = ruleAnalyzes.splitRule("&&","||" ,"%%")
+
             val results = ArrayList<List<String>>()
             for (ruleStrX in ruleStrS) {
+
                 val temp: List<String>? =
                     if (sourceRule.isCss) {
                         val lastIndex = ruleStrX.lastIndexOf('@')
@@ -107,15 +85,17 @@ class AnalyzeByJSoup(doc: Any) {
                     } else {
                         getResultList(ruleStrX)
                     }
+
                 if (!temp.isNullOrEmpty()) {
-                    results.add(temp)
-                    if (results.isNotEmpty() && elementsType == "|") {
-                        break
-                    }
+
+                    results.add(temp) //!temp.isNullOrEmpty()时，results.isNotEmpty()为true
+
+                    if (ruleAnalyzes.elementsType == "||") break
+
                 }
             }
             if (results.size > 0) {
-                if ("%" == elementsType) {
+                if ("%%" == ruleAnalyzes.elementsType) {
                     for (i in results[0].indices) {
                         for (temp in results) {
                             if (i < temp.size) {
@@ -137,47 +117,56 @@ class AnalyzeByJSoup(doc: Any) {
      * 获取Elements
      */
     private fun getElements(temp: Element?, rule: String): Elements {
+
+        if (temp == null || rule.isEmpty()) return Elements()
+
         val elements = Elements()
-        if (temp == null || isEmpty(rule)) {
-            return elements
-        }
+
         val sourceRule = SourceRule(rule)
-        val elementsType: String
-        val ruleStrS: Array<String>
-        when {
-            sourceRule.elementsRule.contains("&&") -> {
-                elementsType = "&"
-                ruleStrS = sourceRule.elementsRule.splitNotBlank("&&")
-            }
-            sourceRule.elementsRule.contains("%%") -> {
-                elementsType = "%"
-                ruleStrS = sourceRule.elementsRule.splitNotBlank("%%")
-            }
-            else -> {
-                elementsType = "|"
-                ruleStrS = sourceRule.elementsRule.splitNotBlank("||")
-            }
-        }
+        val ruleAnalyzes = RuleAnalyzer(sourceRule.elementsRule)
+        val ruleStrS = ruleAnalyzes.splitRule("&&","||","%%")
+
         val elementsList = ArrayList<Elements>()
         if (sourceRule.isCss) {
             for (ruleStr in ruleStrS) {
                 val tempS = temp.select(ruleStr)
                 elementsList.add(tempS)
-                if (tempS.size > 0 && elementsType == "|") {
+                if (tempS.size > 0 && ruleAnalyzes.elementsType == "||") {
                     break
                 }
             }
         } else {
             for (ruleStr in ruleStrS) {
-                val tempS = getElementsSingle(temp, ruleStr)
-                elementsList.add(tempS)
-                if (tempS.size > 0 && elementsType == "|") {
+                //将原getElementsSingle函数调用的函数的部分代码内联过来，方便简化getElementsSingle函数
+
+                val rsRule = RuleAnalyzer(ruleStr)
+
+                if( rsRule.peek() =='@' || rsRule.peek() < '!' ) rsRule.advance()  // 修剪当前规则之前的"@"或者空白符
+
+                val rs = rsRule.splitRule("@")
+
+                val el = if (rs.size > 1) {
+                    val el = Elements()
+                    el.add(temp)
+                    for (rl in rs) {
+                        val es = Elements()
+                        for (et in el) {
+                            es.addAll(getElements(et, rl))
+                        }
+                        el.clear()
+                        el.addAll(es)
+                    }
+                    el
+                }else getElementsSingle(temp,ruleStr)
+
+                elementsList.add(el)
+                if (el.size > 0 && ruleAnalyzes.elementsType == "||") {
                     break
                 }
             }
         }
         if (elementsList.size > 0) {
-            if ("%" == elementsType) {
+            if ("%%" == ruleAnalyzes.elementsType) {
                 for (i in 0 until elementsList[0].size) {
                     for (es in elementsList) {
                         if (i < es.size) {
@@ -194,134 +183,162 @@ class AnalyzeByJSoup(doc: Any) {
         return elements
     }
 
-    private fun filterElements(elements: Elements, rules: Array<String>?): Elements {
-        if (rules == null || rules.size < 2) return elements
-        val result = Elements()
-        for (element in elements) {
-            var isOk = false
-            when (rules[0]) {
-                "class" -> isOk = element.getElementsByClass(rules[1]).size > 0
-                "id" -> isOk = element.getElementById(rules[1]) != null
-                "tag" -> isOk = element.getElementsByTag(rules[1]).size > 0
-                "text" -> isOk = element.getElementsContainingOwnText(rules[1]).size > 0
+    /**
+     * 1.支持阅读原有写法，':'分隔索引，!或.表示筛选方式，索引可为负数
+     *
+     * 例如 tag.div.-1:10:2 或 tag.div!0:3
+     *
+     * 2. 支持与jsonPath类似的[]索引写法
+     *
+     * 格式形如 [it,it，。。。] 或 [!it,it，。。。] 其中[!开头表示筛选方式为排除，it为单个索引或区间。
+     *
+     * 区间格式为 start:end 或 start:end:step，其中start为0可省略，end为-1可省略。
+     *
+     * 索引，区间两端及间隔都支持负数
+     *
+     * 例如 tag.div[-1, 3:-2:-10, 2]
+     *
+     * 特殊用法 tag.div[-1:0] 可在任意地方让列表反向
+     *
+     * */
+
+    fun findIndexSet( rule:String ): IndexSet {
+
+        val indexSet = IndexSet()
+        val rus = rule.trim{ it <= ' '}
+
+        var len = rus.length
+        var curInt: Int? //当前数字
+        var curMinus = false //当前数字是否为负
+        val curList = mutableListOf<Int?>() //当前数字区间
+        var l = "" //暂存数字字符串
+
+        val head = rus[rus.length-1] == ']' //是否为常规索引写法
+
+        if(head){ //常规索引写法[index...]
+
+            len-- //跳过尾部']'
+
+            while (len-- > 0) { //逆向遍历,至少有一位前置字符,如 [
+
+                var rl = rus[len]
+                if (rl == ' ') continue //跳过空格
+
+                if (rl in '0'..'9') l += rl //将数值累接入临时字串中，遇到分界符才取出
+                else if (rl == '-') curMinus = true
+                else {
+
+                    curInt = if (l.isEmpty()) null else if (curMinus) -l.toInt() else l.toInt() //当前数字
+
+                    when (rl) {
+
+                        ':' -> curList.add(curInt) //区间右端或区间间隔
+
+                        else -> {
+
+                            //为保证查找顺序，区间和单个索引都添加到同一集合 
+                            if(curList.isEmpty())indexSet.indexs.add(curInt!!)
+                            else{
+
+                                //列表最后压入的是区间右端，若列表有两位则最先压入的是间隔
+                                indexSet.indexs.add( Triple(curInt, curList.last(), if(curList.size == 2) curList.first() else 1) )
+
+                                curList.clear() //重置临时列表，避免影响到下个区间的处理
+
+                            }
+
+                            if(rl == '!'){
+                                indexSet.split='!'
+                                do{ rl = rus[--len] } while (len > 0 && rl == ' ')//跳过所有空格
+                            }
+
+                            if(rl == '[') return indexSet.apply {
+                                beforeRule = rus.substring(0, len)
+                            } //遇到索引边界，返回结果
+
+                            if(rl != ',') break //非索引结构，跳出
+
+                        }
+                    }
+
+                    l = "" //清空
+                    curMinus = false //重置
+                }
             }
-            if (isOk) {
-                result.add(element)
+        } else while (len --> 1) { //阅读原本写法，逆向遍历,至少两位前置字符,如 p.
+
+            val rl = rus[len]
+            if (rl == ' ') continue //跳过空格
+
+            if (rl in '0'..'9') l += rl //将数值累接入临时字串中，遇到分界符才取出
+            else if (rl == '-') curMinus = true
+            else {
+
+                if(rl == '!'  || rl == '.' || rl == ':') { //分隔符或起始符
+
+                    indexSet.indexDefault.add(if (curMinus) -l.toInt() else l.toInt()) // 当前数字追加到列表
+
+                    if (rl != ':') return indexSet.apply { //rl == '!'  || rl == '.'
+                        split = rl
+                        beforeRule = rus.substring(0, len)
+                    }
+
+                }else break //非索引结构，跳出循环
+
+                l = "" //清空
+                curMinus = false //重置
             }
+
         }
-        return result
+
+        return indexSet.apply{
+            split = ' '
+            beforeRule = rus } //非索引格式
     }
 
     /**
      * 获取Elements按照一个规则
      */
     private fun getElementsSingle(temp: Element, rule: String): Elements {
-        val elements = Elements()
-        try {
-            val rs = rule.trim { it <= ' ' }.splitNotBlank("@")
-            if (rs.size > 1) {
-                elements.add(temp)
-                for (rl in rs) {
-                    val es = Elements()
-                    for (et in elements) {
-                        es.addAll(getElements(et, rl))
-                    }
-                    elements.clear()
-                    elements.addAll(es)
-                }
-            } else {
-                val rulePcx = rule.split("!")
-                val rulePc = rulePcx[0].trim { it <= ' ' }.split(">")
-                val rules = rulePc[0].trim { it <= ' ' }.split(".")
-                var filterRules: Array<String>? = null
-                var needFilterElements = rulePc.size > 1 && !isEmpty(rulePc[1].trim { it <= ' ' })
-                if (needFilterElements) {
-                    filterRules = rulePc[1].trim { it <= ' ' }.split(".").toTypedArray()
-                    filterRules[0] = filterRules[0].trim { it <= ' ' }
-                    if (filterRules.size < 2
-                        || !validKeys.contains(filterRules[0])
-                        || filterRules[1].trim { it <= ' ' }.isEmpty()
-                    ) {
-                        needFilterElements = false
-                    }
-                    filterRules[1] = filterRules[1].trim { it <= ' ' }
-                }
-                when (rules[0]) {
-                    "children" -> {
-                        var children = temp.children()
-                        if (needFilterElements)
-                            children = filterElements(children, filterRules)
-                        elements.addAll(children)
-                    }
-                    "class" -> {
-                        var elementsByClass = temp.getElementsByClass(rules[1])
-                        if (rules.size == 3 && rules[2].isNotEmpty()) {
-                            val index = Integer.parseInt(rules[2])
-                            if (index < 0) {
-                                elements.add(elementsByClass[elementsByClass.size + index])
-                            } else {
-                                elements.add(elementsByClass[index])
-                            }
-                        } else {
-                            if (needFilterElements)
-                                elementsByClass = filterElements(elementsByClass, filterRules)
-                            elements.addAll(elementsByClass)
-                        }
-                    }
-                    "tag" -> {
-                        var elementsByTag = temp.getElementsByTag(rules[1])
-                        if (rules.size == 3 && rules[2].isNotEmpty()) {
-                            val index = Integer.parseInt(rules[2])
-                            if (index < 0) {
-                                elements.add(elementsByTag[elementsByTag.size + index])
-                            } else {
-                                elements.add(elementsByTag[index])
-                            }
-                        } else {
-                            if (needFilterElements)
-                                elementsByTag = filterElements(elementsByTag, filterRules)
-                            elements.addAll(elementsByTag)
-                        }
-                    }
-                    "id" -> {
-                        var elementsById = Collector.collect(Evaluator.Id(rules[1]), temp)
-                        if (rules.size == 3 && rules[2].isNotEmpty()) {
-                            val index = Integer.parseInt(rules[2])
-                            if (index < 0) {
-                                elements.add(elementsById[elementsById.size + index])
-                            } else {
-                                elements.add(elementsById[index])
-                            }
-                        } else {
-                            if (needFilterElements)
-                                elementsById = filterElements(elementsById, filterRules)
-                            elements.addAll(elementsById)
-                        }
-                    }
-                    "text" -> {
-                        var elementsByText = temp.getElementsContainingOwnText(rules[1])
-                        if (needFilterElements)
-                            elementsByText = filterElements(elementsByText, filterRules)
-                        elements.addAll(elementsByText)
-                    }
-                    else -> elements.addAll(temp.select(rulePcx[0]))
-                }
-                if (rulePcx.size > 1) {
-                    val rulePcs = rulePcx[1].splitNotBlank(":")
-                    for (pc in rulePcs) {
-                        val pcInt = Integer.parseInt(pc)
-                        if (pcInt < 0 && elements.size + pcInt >= 0) {
-                            elements[elements.size + pcInt] = null
-                        } else if (Integer.parseInt(pc) < elements.size) {
-                            elements[Integer.parseInt(pc)] = null
-                        }
-                    }
-                    val es = Elements()
-                    es.add(null)
-                    elements.removeAll(es)
-                }
-            }
-        } catch (ignore: Exception) {
+
+        var elements = Elements()
+
+        val fi = findIndexSet(rule) //执行索引列表处理器
+
+        val (filterType,ruleStr) = fi //获取操作类型及非索引部分的规则字串
+
+//        val rulePc = rulePcx[0].trim { it <= ' ' }.split(">")
+//        jsoup中，当前节点是参与选择的，tag.div 与 tag.div@tag.div 结果相同
+//        此处">"效果和“@”完全相同，且容易让人误解成选择子节点，实际并不是。以后不允许这种无意义的写法
+
+        val rules = ruleStr.split(".")
+
+        elements.addAll(
+            when (rules[0]) {
+                "children" -> temp.children()
+                "class" -> temp.getElementsByClass(rules[1])
+                "tag" -> temp.getElementsByTag(rules[1])
+                "id" -> Collector.collect(Evaluator.Id(rules[1]), temp)
+                "text" -> temp.getElementsContainingOwnText(rules[1])
+                else -> temp.select(ruleStr)
+            } )
+
+        val indexSet = fi.getIndexs(elements.size) //传入元素数量，处理负数索引及索引越界问题，生成可用索引集合。
+
+        if(filterType == '!'){ //排除
+
+            for (pcInt in indexSet) elements[pcInt] = null
+
+            elements.removeAll(listOf(null)) //测试过，这样就行
+
+        }else if(filterType == '.'){ //选择
+
+            val es = Elements()
+
+            for (pcInt in indexSet) es.add(elements[pcInt])
+
+            elements = es
+
         }
 
         return elements
@@ -331,13 +348,21 @@ class AnalyzeByJSoup(doc: Any) {
      * 获取内容列表
      */
     private fun getResultList(ruleStr: String): List<String>? {
-        if (isEmpty(ruleStr)) {
-            return null
-        }
+
+        if (ruleStr.isEmpty()) return null
+
         var elements = Elements()
+
         elements.add(element)
-        val rules = ruleStr.splitNotBlank("@")
-        for (i in 0 until rules.size - 1) {
+
+        val rule = RuleAnalyzer(ruleStr) //创建解析
+
+        while( rule.peek() =='@' || rule.peek() < '!' ) rule.advance()  // 修剪当前规则之前的"@"或者空白符
+
+        val rules = rule.splitRule("@") // 切割成列表
+
+        val last = rules.size - 1
+        for (i in 0 until last) {
             val es = Elements()
             for (elt in elements) {
                 es.addAll(getElementsSingle(elt, rules[i]))
@@ -345,9 +370,7 @@ class AnalyzeByJSoup(doc: Any) {
             elements.clear()
             elements = es
         }
-        return if (elements.isEmpty()) {
-            null
-        } else getResultLast(elements, rules[rules.size - 1])
+        return if (elements.isEmpty()) null else getResultLast(elements, rules[last])
     }
 
     /**
@@ -365,7 +388,7 @@ class AnalyzeByJSoup(doc: Any) {
                     val contentEs = element.textNodes()
                     for (item in contentEs) {
                         val temp = item.text().trim { it <= ' ' }
-                        if (!isEmpty(temp)) {
+                        if (temp.isNotEmpty()) {
                             tn.add(temp)
                         }
                     }
@@ -382,10 +405,12 @@ class AnalyzeByJSoup(doc: Any) {
                 }
                 "all" -> textS.add(elements.outerHtml())
                 else -> for (element in elements) {
+
                     val url = element.attr(lastRule)
-                    if (!isEmpty(url) && !textS.contains(url)) {
-                        textS.add(url)
-                    }
+
+                    if(url.isEmpty() || textS.contains(url)) break
+
+                    textS.add(url)
                 }
             }
         } catch (e: Exception) {
@@ -395,17 +420,75 @@ class AnalyzeByJSoup(doc: Any) {
         return textS
     }
 
-    internal inner class SourceRule(ruleStr: String) {
-        var isCss = false
-        var elementsRule: String
+    data class IndexSet(var split:Char = '.',
+                        var beforeRule:String = "",
+                        val indexDefault:MutableList<Int> = mutableListOf(),
+                        val indexs:MutableList<Any> = mutableListOf()){
+
+        fun getIndexs(len:Int): MutableSet<Int> {
+
+            val indexSet = mutableSetOf<Int>()
+
+            val lastIndexs = (indexDefault.size - 1).takeIf { it !=-1 } ?: indexs.size -1
+
+
+            if(indexs.isEmpty())for (ix in lastIndexs downTo 0 ){ //indexs为空，表明是非[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
+
+                val it = indexDefault[ix]
+                if(it in 0 until len) indexSet.add(it) //将正数不越界的索引添加到集合
+                else if(it < 0 && len >= -it) indexSet.add(it + len) //将负数不越界的索引添加到集合
+
+            }else for (ix in lastIndexs downTo 0 ){ //indexs不空，表明是[]式索引，集合是逆向遍历插入的，所以这里也逆向遍历，好还原顺序
+
+                if(indexs[ix] is Triple<*, *, *>){ //区间
+
+                    val (startx, endx, stepx) = indexs[ix] as Triple<Int?, Int?, Int> //还原储存时的类型
+
+                    val start = if (startx == null)  0 //左端省略表示0
+                    else if (startx >= 0) if (startx < len) startx else len - 1 //右端越界，设置为最大索引
+                    else if (-startx <= len) len + startx /* 将负索引转正 */ else 0 //左端越界，设置为最小索引
+
+                    val end = if (endx == null)  len - 1 //右端省略表示 len - 1
+                    else if (endx >= 0) if (endx < len) endx else len - 1 //右端越界，设置为最大索引
+                    else if (-endx <= len) len + endx /* 将负索引转正 */ else 0 //左端越界，设置为最小索引
+
+                    if (start == end || stepx >= len) { //两端相同，区间里只有一个数。或间隔过大，区间实际上仅有首位
+
+                        indexSet.add(start)
+                        continue
+
+                    }
+
+                    val step = if (stepx > 0) stepx else if (-stepx < len) stepx + len else 1 //最小正数间隔为1
+
+                    //将区间展开到集合中,允许列表反向。
+                    indexSet.addAll(if (end > start) start..end step step else start downTo end step step)
+
+                }else{//单个索引
+
+                    val it = indexs[ix] as Int //还原储存时的类型
+
+                    if(it in 0 until len) indexSet.add(it) //将正数不越界的索引添加到集合
+                    else if(it < 0 && len >= -it) indexSet.add(it + len) //将负数不越界的索引添加到集合
+
+                }
 
-        init {
-            if (ruleStr.startsWith("@CSS:", true)) {
-                isCss = true
-                elementsRule = ruleStr.substring(5).trim { it <= ' ' }
-            } else {
-                elementsRule = ruleStr
             }
+
+            return indexSet
+
+        }
+
+    }
+
+
+    internal inner class SourceRule(ruleStr: String) {
+        var isCss = false
+        var elementsRule: String = if (ruleStr.startsWith("@CSS:", true)) {
+            isCss = true
+            ruleStr.substring(5).trim { it <= ' ' }
+        } else {
+            ruleStr
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByXPath.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByXPath.kt
index 5954ccdf2..dff178b46 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByXPath.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeByXPath.kt
@@ -2,7 +2,6 @@ package io.legado.app.model.analyzeRule
 
 import android.text.TextUtils
 import androidx.annotation.Keep
-import io.legado.app.utils.splitNotBlank
 import org.jsoup.nodes.Document
 import org.jsoup.nodes.Element
 import org.jsoup.select.Elements
@@ -27,10 +26,10 @@ class AnalyzeByXPath(doc: Any) {
     private fun strToJXDocument(html: String): JXDocument {
         var html1 = html
         if (html1.endsWith("</td>")) {
-            html1 = String.format("<tr>%s</tr>", html1)
+            html1 = "<tr>${html1}</tr>"
         }
         if (html1.endsWith("</tr>") || html1.endsWith("</tbody>")) {
-            html1 = String.format("<table>%s</table>", html1)
+            html1 = "<table>${html1}</table>"
         }
         return JXDocument.create(html1)
     }
@@ -45,26 +44,13 @@ class AnalyzeByXPath(doc: Any) {
     }
 
     internal fun getElements(xPath: String): List<JXNode>? {
-        if (TextUtils.isEmpty(xPath)) {
-            return null
-        }
+
+        if(xPath.isEmpty()) return null
+
         val jxNodes = ArrayList<JXNode>()
-        val elementsType: String
-        val rules: Array<String>
-        when {
-            xPath.contains("&&") -> {
-                rules = xPath.splitNotBlank("&&")
-                elementsType = "&"
-            }
-            xPath.contains("%%") -> {
-                rules = xPath.splitNotBlank("%%")
-                elementsType = "%"
-            }
-            else -> {
-                rules = xPath.splitNotBlank("||")
-                elementsType = "|"
-            }
-        }
+        val ruleAnalyzes = RuleAnalyzer(xPath)
+        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+
         if (rules.size == 1) {
             return getResult(rules[0])
         } else {
@@ -73,13 +59,13 @@ class AnalyzeByXPath(doc: Any) {
                 val temp = getElements(rl)
                 if (temp != null && temp.isNotEmpty()) {
                     results.add(temp)
-                    if (temp.isNotEmpty() && elementsType == "|") {
+                    if (temp.isNotEmpty() && ruleAnalyzes.elementsType == "||") {
                         break
                     }
                 }
             }
             if (results.size > 0) {
-                if ("%" == elementsType) {
+                if ("%%" == ruleAnalyzes.elementsType) {
                     for (i in results[0].indices) {
                         for (temp in results) {
                             if (i < temp.size) {
@@ -98,23 +84,11 @@ class AnalyzeByXPath(doc: Any) {
     }
 
     internal fun getStringList(xPath: String): List<String> {
+
         val result = ArrayList<String>()
-        val elementsType: String
-        val rules: Array<String>
-        when {
-            xPath.contains("&&") -> {
-                rules = xPath.splitNotBlank("&&")
-                elementsType = "&"
-            }
-            xPath.contains("%%") -> {
-                rules = xPath.splitNotBlank("%%")
-                elementsType = "%"
-            }
-            else -> {
-                rules = xPath.splitNotBlank("||")
-                elementsType = "|"
-            }
-        }
+        val ruleAnalyzes = RuleAnalyzer(xPath)
+        val rules = ruleAnalyzes.splitRule("&&","||","%%")
+
         if (rules.size == 1) {
             getResult(xPath)?.map {
                 result.add(it.asString())
@@ -126,13 +100,13 @@ class AnalyzeByXPath(doc: Any) {
                 val temp = getStringList(rl)
                 if (temp.isNotEmpty()) {
                     results.add(temp)
-                    if (temp.isNotEmpty() && elementsType == "|") {
+                    if (temp.isNotEmpty() && ruleAnalyzes.elementsType == "||") {
                         break
                     }
                 }
             }
             if (results.size > 0) {
-                if ("%" == elementsType) {
+                if ("%%" == ruleAnalyzes.elementsType) {
                     for (i in results[0].indices) {
                         for (temp in results) {
                             if (i < temp.size) {
@@ -151,15 +125,8 @@ class AnalyzeByXPath(doc: Any) {
     }
 
     fun getString(rule: String): String? {
-        val rules: Array<String>
-        val elementsType: String
-        if (rule.contains("&&")) {
-            rules = rule.splitNotBlank("&&")
-            elementsType = "&"
-        } else {
-            rules = rule.splitNotBlank("||")
-            elementsType = "|"
-        }
+        val ruleAnalyzes = RuleAnalyzer(rule)
+        val rules = ruleAnalyzes.splitRule("&&","||")
         if (rules.size == 1) {
             getResult(rule)?.let {
                 return TextUtils.join("\n", it)
@@ -171,7 +138,7 @@ class AnalyzeByXPath(doc: Any) {
                 val temp = getString(rl)
                 if (!temp.isNullOrEmpty()) {
                     textList.add(temp)
-                    if (elementsType == "|") {
+                    if (ruleAnalyzes.elementsType == "||") {
                         break
                     }
                 }
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/RuleAnalyzer.kt b/app/src/main/java/io/legado/app/model/analyzeRule/RuleAnalyzer.kt
new file mode 100644
index 000000000..73a861acf
--- /dev/null
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/RuleAnalyzer.kt
@@ -0,0 +1,515 @@
+package io.legado.app.model.analyzeRule
+
+//通用的规则切分处理
+
+class RuleAnalyzer(data: String) {
+
+    private var queue: String = data //被处理字符串
+    private var pos = 0 //处理到的位置
+
+    private var start = 0 //每次处理字段的开始
+    private var end:Int = queue.length //每次处理字段的终点
+    private var step:Int = 0 //分割字符的长度
+
+    var elementsType = ""
+
+    //当前平衡字段
+    fun currBalancedString( stepStart:Int = 1 , stepEnd:Int = 1): String { //stepStart平衡字符的起始分隔字串长度，stepEnd平衡字符的结束分隔字串长度
+        return queue.substring(start+stepStart,pos-stepEnd) //当前平衡字段
+    }
+
+    //将pos重置为0，方便复用
+    fun reSetPos() {
+        pos = 0
+    }
+
+    //当前拉取字段
+    fun currString(): String {
+        return queue.substring(start,pos) //当前拉取到的字段
+    }
+
+    //剩余字串
+    fun remainingString(): String {
+        start = pos
+        pos = queue.length
+        return queue.substring(start)
+    }
+
+    /**
+     * pos位置回退
+     */
+    fun back(num :Int = 0) {
+        if(num == 0)pos = start  //回退
+        else pos -= num
+    }
+
+    /**
+     * pos位置后移
+     */
+    fun advance(num :Int = 1) {
+        pos+=num
+    }
+
+    /**
+     * 是否已无剩余字符?
+     * @return 若剩余字串中已无字符则返回true
+     */
+    val isEmpty: Boolean
+        get() = queue.length - pos  == 0 //是否处理到最后
+
+    /**
+     * 检索并返回首字符,但pos不变
+     * @return 首字符：若为空则为 0 号字符
+     */
+    fun peek(): Char { //检索首字符
+        return if (isEmpty) 0.toChar() else queue[pos]
+    }
+
+    /**
+     * 消耗剩余字串中一个字符。
+     * @return 返回剩余字串中的下个字符。
+     */
+    fun consume(): Char {
+        return queue[pos++]
+    }
+
+    /**
+     * 字串与剩余字串是否匹配，不区分大小写
+     * @param seq 字符串被检查
+     * @return 若下字符串匹配返回 true
+     */
+    fun matches(seq: String): Boolean {
+        return queue.regionMatches(pos, seq, 0, seq.length, ignoreCase = true)
+    }
+
+    /**
+     * 测试下个字符是否与序列中相应位置的字符相等。
+     * @param seq ：被检查的字符列表
+     * @return 相等就为 true ，不相等则为 false
+     */
+    fun matchesAny(vararg seq: Char): Boolean {
+        if (isEmpty) return false
+        for (c in seq) {
+            if (queue[pos] == c) {
+                return true
+            }
+        }
+        return false
+    }
+
+    /**
+     * 测试下个字符（串）是否与参数列表里的序列存在匹配。 不区分大小写。
+     * @param seq ：被不区分大小写检查的字符串列表
+     * @return 只要匹配就为 true ，没有匹配则为 false
+     */
+    fun matchesAny(vararg seq: String): Boolean {
+        for (s in seq) {
+            if (matches(s)) {
+                step = s.length
+                return true
+            }
+        }
+        return false
+    }
+
+    /**
+     * 从剩余字串中拉出一个字符串，直到但不包括匹配序列，或剩余字串用完。
+     * @param seq ：分隔字符 **区分大小写**
+     * @return 是否找到相应字段。
+     */
+    fun consumeTo(seq: String,setStartPos:Boolean = true): Boolean {
+        if(setStartPos)start = pos //将处理到的位置设置为规则起点
+        val offset = queue.indexOf(seq, pos)
+        return if (offset != -1) {
+            pos = offset
+            true
+        } else false
+    }
+
+    /**
+     * 从剩余字串中拉出一个字符串，直到但不包括匹配序列（匹配参数列表中一项即为匹配），或剩余字串用完。
+     * @param f 消费函数，返回true表示消费，fasle表示不消费
+     * @param setStartPos 设置开始消费位置
+     * @return 消耗的字符串
+     */
+    fun consumeToAny(setStartPos:Boolean = true, f:()->Boolean,): Boolean {
+        if(setStartPos)start = pos //将处理到的位置设置为规则起点
+        while (!isEmpty &&  !f()) {
+            pos++
+        }
+        return !isEmpty
+    }
+
+    //其中js只要符合语法，就不用避开任何阅读关键字，自由发挥
+    fun chompJsBalanced(f: ((Char) -> Boolean?) = {
+        if ( it == '{' )true //开始嵌套一层
+        else if ( it == '}') false //闭合一层嵌套
+        else null
+    } ): Boolean {
+        start = pos
+        var depth = 0 //嵌套深度
+        var bracketsDepth = 0 //[]嵌套深度
+
+        var inSingleQuote = false //单引号
+        var inDoubleQuote = false //双引号
+        var inOtherQuote = false //js原始字串分隔字符
+        var regex = false //正则
+        var commit = false //单行注释
+        var commits = false //多行注释
+
+        do {
+            if (isEmpty) break
+            var c = consume()
+            if (c != '\\') { //非转义字符
+                if (c == '\'' && !commits && !commit && !regex && !inDoubleQuote && !inOtherQuote) inSingleQuote = !inSingleQuote //匹配具有语法功能的单引号
+                else if (c == '"' && !commits && !commit && !regex && !inSingleQuote && !inOtherQuote) inDoubleQuote = !inDoubleQuote //匹配具有语法功能的双引号
+                else if (c == '`' && !commits && !commit && !regex && !inSingleQuote && !inDoubleQuote) inOtherQuote = !inOtherQuote //匹配具有语法功能的'`'
+                else if (c == '/' && !commits && !commit && !regex && !inSingleQuote && !inDoubleQuote && !inOtherQuote) { //匹配注释或正则起点
+                    c = consume()
+                    when(c){
+                        '/'->commit=true //匹配单行注释起点
+                        '*'->commits=true //匹配多行注释起点
+                        else ->regex=true //匹配正则起点
+                    }
+                }
+                else if(commits && c == '*') { //匹配多行注释终点
+                    c = consume()
+                    if(c == '/')commits = false
+                }
+                else if(regex && c == '/') { //正则的终点或[]平衡
+
+                    if(c == '/')regex = false//匹配正则终点
+
+                    //为了保证当open为（ 且 close 为 ）时，正则中[(]或[)]的合法性。故对[]这对在任何规则中都平衡的成对符号做匹配。
+                    // 注：正则里[(]、[)]、[{]、[}]都是合法的，所以只有[]必须平衡。
+
+                    else if ( c == '[' )bracketsDepth++ //开始嵌套一层[]
+                    else if ( c== ']') bracketsDepth-- //闭合一层嵌套[]
+
+                }
+
+                if (commits || commit || regex || inSingleQuote  || inDoubleQuote || inOtherQuote) continue //语法单元未匹配结束，直接进入下个循环
+
+                val fn = f(c)
+                if (fn == null) continue
+                if (fn) depth++ else depth-- //嵌套或者闭合
+
+            }else { //转义字符
+                var next = consume() //拉出被转义字符
+                if(commit && next == 'n') commit = false //匹配单行注释终点。当前为\,下个为n，表示换行
+                else if (!commits && !commit && next == '\\') {
+                    consume() //当前为\,下个为\，双重转义中"\\"表示转义字符本身，根据if条件"\\"字串不在注释中，则只能在字串或正则中
+                    next = consume() //拉出下个字符，因为在双重转义的字串或正则中，类似于 \\/ 这样的结构才是转义结构
+                    if(next == '\\')consume() //若为转义字符则继续拉出，因为双重转义中转义字符成对存在,即 \\\\
+                }
+            }
+        } while (depth > 0 || bracketsDepth >0) //拉出全部符合js语法的字段
+
+        if(depth > 0 || bracketsDepth >0) start = pos
+
+        return  pos > start
+    }
+
+    /**
+     * 在双重转义字串中拉出一个规则平衡组
+     */
+    fun chompRuleBalanced(open: Char = '[', close: Char = ']',f: ((Char) ->Boolean?)? = null ): Boolean {
+        start = pos
+        var depth = 0 //嵌套深度
+        var otherDepth = 0 //其他对称符合嵌套深度
+
+        var inSingleQuote = false //单引号
+        var inDoubleQuote = false //双引号
+
+        do {
+            if (isEmpty) break
+            val c = consume()
+            if (c != ESC) { //非转义字符
+                if (c == '\'' && !inDoubleQuote) inSingleQuote = !inSingleQuote //匹配具有语法功能的单引号
+                else if (c == '"' && !inSingleQuote) inDoubleQuote = !inDoubleQuote //匹配具有语法功能的双引号
+
+                if (inSingleQuote  || inDoubleQuote) continue //语法单元未匹配结束，直接进入下个循环
+
+                if ( c == open )depth++ //开始嵌套一层
+                else if ( c== close) depth-- //闭合一层嵌套
+                else if(depth == 0 && f != null) { //处于默认嵌套中的非默认字符不需要平衡，仅depth为0时默认嵌套全部闭合，此字符才进行嵌套
+                    val fn = f(c)
+                    if (fn == null) continue
+                    if (fn) otherDepth++ else otherDepth--
+                }
+
+            }else { //转义字符
+                var next = consume() //拉出被转义字符，匹配\/、\"、\'等
+                if (next == ESC) {
+                    consume() //当前为\,下个为\，双重转义中"\\"表示转义字符本身，根据语法特征当前字段在字串或正则中
+                    next = consume() //拉出下个字符，因为在双重转义的字串或正则中，类似于 \\/ 这样的结构才是转义结构
+                    if(next == ESC)consume() //若为转义字符则继续拉出，因为双重转义中转义字符成对存在,即 \\\\
+                }
+            }
+        } while (depth > 0 || otherDepth > 0) //拉出一个平衡字串
+
+        return !(depth > 0 || otherDepth > 0) //平衡返回false，不平衡返回true
+    }
+
+    /**
+     * 不用正则,不到最后不切片也不用中间变量存储,只在序列中标记当前查找字段的开头结尾,到返回时才切片,高效快速准确切割规则
+     * 解决jsonPath自带的"&&"和"||"与阅读的规则冲突,以及规则正则或字符串中包含"&&"或"||"或"%%"而导致的冲突
+     */
+    tailrec fun splitRule(vararg split: String): Array<String>{ //首段匹配,elementsType为空
+
+        if (!consumeToAny { matchesAny(* split) }) return arrayOf(queue) //未找到分隔符
+
+        end = pos
+        val st = if( consumeToAny(false){ matchesAny( '(','[' ) } )pos else -1 //查找筛选器
+        pos = end
+
+        if(st == -1) {
+
+            var rule = arrayOf(queue.substring(0, pos)) //压入分隔的首段规则到数组
+
+            pos += step //跳过分隔符
+            elementsType = queue.substring(pos - step, pos) //设置组合类型
+
+            while (consumeToAny { matchesAny(* split) }) { //循环切分规则压入数组
+                rule += queue.substring(start, pos)
+                pos += step //跳过分隔符
+            }
+            rule+= queue.substring(start) //将剩余字段压入数组末尾
+            return rule
+        }
+
+        val rule = if(st >pos ){ //先匹配到st1pos，表明"&&","||"不在选择器中，将选择器前"&&","||"分隔的字段依次压入数组
+
+            var rule = arrayOf(queue.substring(0, pos)) //压入分隔的首段规则到数组
+
+            pos += step //跳过分隔符
+            elementsType = queue.substring(pos - step, pos) //设置组合类型
+
+            while (pos < st && consumeToAny { matchesAny( * split ) }) {
+                rule += queue.substring(start, pos) //循环切分规则压入数组
+                pos += step //跳过分隔符
+            }
+            rule
+        }else null
+
+        pos = st //位置推移到筛选器处
+        val next = if(queue[pos] == '[' ) ']' else ')' //平衡组末尾字符
+
+        return if (rule == null) { //rule为空,首段未匹配完成
+
+            if(!chompRuleBalanced(queue[pos],next)) throw Error(queue.substring(0, start)+"后未平衡") //拉出一个筛选器,不平衡则报错
+            splitRule(* split) //递归调用首段匹配
+
+        }  else {
+
+            val start0 = start //记录当前规则开头位置
+            if(!chompRuleBalanced(queue[pos],next)) throw Error(queue.substring(0, start)+"后未平衡") //拉出一个筛选器,不平衡则报错
+            start = start0 //筛选器的开头不是本段规则开头,故恢复开头设置
+            splitRule(rule) //首段已匹配,但当前段匹配未完成,调用二段匹配
+
+        }
+
+    }
+
+    @JvmName("splitRuleNext")
+    private tailrec fun splitRule(rules:Array<String>): Array<String>{ //二段匹配被调用,elementsType非空(已在首段赋值),直接按elementsType查找,比首段采用的方式更快
+
+        if (!consumeTo(elementsType,false)) return rules + queue.substring(start) //此处consumeTo(...)开始位置不是规则的开始位置,start沿用上次设置
+
+        end = pos
+        val st = if( consumeToAny(false){ matchesAny( '(','[' ) } )pos else -1 //查找筛选器
+        pos = end
+
+        if(st == -1) {
+            var rule = rules + queue.substring(start, pos) //压入本次分隔的首段规则到数组
+            pos += step //跳过分隔符
+            while (consumeTo(elementsType)) { //循环切分规则压入数组
+                rule += queue.substring(start, pos)
+                pos += step //跳过分隔符
+            }
+            rule += queue.substring(start) //将剩余字段压入数组末尾
+            return rule
+        }
+
+        val rule = if(st > pos ){//先匹配到st1pos，表明"&&","||"不在选择器中，将选择器前"&&","||"分隔的字段依次压入数组
+            var rule = rules + queue.substring(start, pos) //压入本次分隔的首段规则到数组
+            pos += step //跳过分隔符
+            while (pos < st && consumeTo(elementsType)) { //循环切分规则压入数组
+                rule += queue.substring(start, pos)
+                pos += step //跳过分隔符
+            }
+            rule
+        }else rules
+
+        pos = st //位置推移到筛选器处
+        val next = if(queue[pos] == '[' ) ']' else ')' //平衡组末尾字符
+
+        val start0 = start //记录当前规则开头位置
+        if(!chompRuleBalanced(queue[pos],next)) throw Error(queue.substring(0, start)+"后未平衡") //拉出一个筛选器,不平衡时返回true,表示未平衡
+        start = start0 //筛选器平衡,但筛选器的开头不是当前规则开头,故恢复开头设置
+
+        return splitRule(rule) //递归匹配
+
+    }
+
+
+    /**
+     * 替换内嵌规则
+     * @param inner 起始标志,如{$. 或 {{
+     * @param startStep 不属于规则部分的前置字符长度，如{$.中{不属于规则的组成部分，故startStep为1
+     * @param endStep 不属于规则部分的后置字符长度，如}}长度为2
+     * @param fr 查找到内嵌规则时，用于解析的函数
+     *
+     * */
+    fun innerRule( inner:String,startStep:Int = 1,endStep:Int = 1,fr:(String)->String?): String {
+
+        val start0 = pos //规则匹配前起点
+
+        val st = StringBuilder()
+
+        while (!isEmpty && consumeTo(inner)) { //拉取成功返回true，ruleAnalyzes里的字符序列索引变量pos后移相应位置，否则返回false,且isEmpty为true
+
+            val start1 = start //记录拉取前起点
+
+            if (chompRuleBalanced {//拉出一个以[]为默认嵌套、以{}为补充嵌套的平衡字段
+                    when (it) {
+                        '{' -> true
+                        '}' -> false
+                        else -> null
+                    }
+                }) {
+                val frv= fr(currBalancedString(startStep,endStep))
+                if(frv != null) {
+
+                    st.append(queue.substring(start1,start)+frv) //压入内嵌规则前的内容，及内嵌规则解析得到的字符串
+                    continue //获取内容成功，继续选择下个内嵌规则
+
+                }
+            }
+
+            start = start1 //拉出字段不平衡，重置起点
+            pos = start + inner.length //拉出字段不平衡，inner只是个普通字串，规则回退到开头，并跳到此inner后继续匹配
+
+        }
+
+        //匹配前起点与当前规则起点相同，证明无替换成功的内嵌规则,返回空字符串。否则返回替换后的字符串
+        return if(start0 == start) "" else {
+            st.append(remainingString()) //压入剩余字符串
+            st.toString()
+        }
+    }
+
+//    /**
+//     * 匹配并返回标签中的属性键字串（字母、数字、-、_、:）
+//     * @return 属性键字串
+//     */
+//    fun consumeAttributeKey(start:Int = pos): String {
+//        while (!isEmpty && (Character.isLetterOrDigit(queue[pos]) || matchesAny('-', '_', ':'))) pos++
+//        return queue.substring(start, pos)
+//    }
+
+//    fun splitRule(query:String,item:String = "other",listItem:String = "allInOne"):String{
+//
+//        val cuurItem = item //当前项类型，list->列表项 mulu->章节列表项 url->链接项 search->搜索链接项 find发现链接列表项 other->其他项
+//        val cuurList = listItem//当前界面总列表项类型，allInOne，json，xml，kotin，java
+//        var Reverse = false //是否反转列表
+//
+//        consumeWhitespace() //消耗开头空白
+//        var fisrt = consume() //拉出并消费首字符
+//
+//        when(item){
+//            "search" ->
+//            "find" ->
+//            "mulu" -> if(fisrt == '-'){
+//                Reverse=true //开启反转
+//                consumeWhitespace() //拉出所有空白符
+//                fisrt = consume() //首字符后移
+//            }
+//            else ->
+//
+//        }
+//
+//        return  query
+//    }
+
+    companion object {
+        /**
+         * 转义字符
+         */
+        private const val ESC = '\\'
+
+        /**
+         * 阅读共有分隔字串起始部分
+         * "##","@@","{{","{[","<js>", "@js:"
+         */
+        val splitList =arrayOf("##","@@","{{","{[","<js>", "@js:")
+
+        /**
+         * 发现‘名称-链接’分隔字串
+         * "::"
+         */
+        const val splitListFaXian = "::"
+
+        /**
+         * 目录专有起始字符
+         * "-"
+         */
+        const val splitListMulu = "-"
+
+        /**
+         * 结果为元素列表的 all in one 模式起始字符
+         * "+"
+         */
+        const val splitListTongYi = "+"
+
+        /**
+         * 结果为元素列表的项的同规则组合结构
+         * "||","&&","%%"
+         */
+        val splitListReSplit = arrayOf("||","&&","%%")
+
+        /**
+         * js脚本结束字串
+         * "</js>"
+         */
+        const val splitListEndJS = "</js>"
+
+        /**
+         *内嵌js结束字串
+         * "}}"
+         */
+        const val splitListEndInnerJS = "}}"
+
+        /**
+         * 内嵌规则结束字串
+         * "]}"
+         */
+        const val splitListEndInnerRule = "]}"
+
+        /**
+         * '[', ']', '(', ')','{','}'
+         */
+        val splitListPublic = charArrayOf('[', ']', '(', ')','{','}')
+
+        /**
+         * '*',"/","//",":","::","@","|","@xpath:"
+         */
+        val splitListXpath = arrayOf("*","/","//",":","::","@","|","@xpath:")
+
+        /**
+         * '*','$',".","..", "@json:"
+         */
+        val splitListJson = arrayOf('*','$',".","..", "@json:")
+
+        /**
+         * '*',"+","~",".",",","|","@","@css:",":"
+         */
+        val splitListCss = arrayOf('*',"+","~",".",",","|","@","@css:",":")
+
+        /**
+         * "-",".","!","@","@@"
+         */
+        val splitListDefault = arrayOf("-",".","!","@","@@")
+
+    }
+}
\ No newline at end of file