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@ -12,6 +12,7 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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private var rule = arrayOf<String>() //分割出的规则列表 |
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private var step: Int = 0 //分割字符的长度 |
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var elementsType = "" //当前分割字符串 |
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var innerType = true //是否为内嵌{{}} |
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//设置平衡组函数，json或JavaScript时设置成chompCodeBalanced，否则为chompRuleBalanced |
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val chompBalanced = if (code) ::chompCodeBalanced else ::chompRuleBalanced |
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@ -31,9 +32,14 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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startX = 0 |
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} |
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//返回剩余字段 |
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fun Remained(): String { |
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return queue.substring(pos) |
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} |
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/** |
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* 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。 |
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* @param seq 分隔字符 **区分大小写** |
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* 从剩余字串中拉出一个字符串，直到但不包括匹配序列 |
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* @param seq 查找的字符串 **区分大小写** |
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* @return 是否找到相应字段。 |
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*/ |
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fun consumeTo(seq: String): Boolean { |
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@ -45,6 +51,20 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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} else false |
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} |
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/** |
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* 从剩余字串中拉出一个字符串，直到但不包括匹配序列 |
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* @param seq 查找的字符串 **区分大小写** |
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* @return 返回查找的字符串之前的匹配字段 |
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*/ |
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fun consumeToString(seq: String): String { |
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start = pos //将处理到的位置设置为规则起点 |
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val offset = queue.indexOf(seq, pos) |
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return if (offset != -1) { |
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pos = offset |
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queue.substring(start, offset) |
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} else "" |
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} |
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/** |
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* 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。 |
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* @param seq 匹配字符串序列 |
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@ -91,50 +111,61 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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} |
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//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 |
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fun chompJsBalanced( |
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f: ((Char) -> Boolean?) = { |
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when (it) { |
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'{' -> true //开始嵌套一层 |
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'}' -> false //闭合一层嵌套 |
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else -> null |
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} |
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} |
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): Boolean { |
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var pos = pos //声明变量记录临时处理位置 |
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var depth = 0 //嵌套深度 |
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fun chompJsBalanced(innerType:Boolean = true,startPos:Int = pos): String { |
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var pos = startPos //声明变量记录临时处理位置 |
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var bracketsDepth = 0 //[]嵌套深度 |
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var inSingleQuote = false //单引号 |
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var inDoubleQuote = false //双引号 |
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var inOtherQuote = false //js原始字串分隔字符 |
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var regex = false //正则 |
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var commit = false //单行注释 |
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var commits = false //多行注释 |
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var inRegex = false //正则 |
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var inCommit = false //单行注释 |
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var inCommits = false //多行注释 |
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val start:String |
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val end:String |
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val endChar:Char |
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if(innerType){ |
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start = "{{" |
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end = "}}" |
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endChar = '}' |
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}else{ |
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start = "<js>" |
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end = "</js>" |
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endChar = '<' |
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} |
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pos += start.length //跳过起始字符串 |
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do { |
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if (pos == queue.length) break |
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var c = queue[pos++] |
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if (c != '\\') { //非转义字符 |
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if (c == '\'' && !commits && !commit && !regex && !inDoubleQuote && !inOtherQuote) inSingleQuote = |
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!inSingleQuote //匹配具有语法功能的单引号 |
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else if (c == '"' && !commits && !commit && !regex && !inSingleQuote && !inOtherQuote) inDoubleQuote = |
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!inDoubleQuote //匹配具有语法功能的双引号 |
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else if (c == '`' && !commits && !commit && !regex && !inSingleQuote && !inDoubleQuote) inOtherQuote = |
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!inOtherQuote //匹配具有语法功能的'`' |
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else if (c == '/' && !commits && !commit && !regex && !inSingleQuote && !inDoubleQuote && !inOtherQuote) { //匹配注释或正则起点 |
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if (c == '\'' && !inCommits && !inCommit && !inRegex && !inDoubleQuote && !inOtherQuote) inSingleQuote = |
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!inSingleQuote //匹配具有语法功能的单引号 |
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else if (c == '"' && !inCommits && !inCommit && !inRegex && !inSingleQuote && !inOtherQuote) inDoubleQuote = |
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!inDoubleQuote //匹配具有语法功能的双引号 |
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else if (c == '`' && !inCommits && !inCommit && !inRegex && !inSingleQuote && !inDoubleQuote) inOtherQuote = |
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!inOtherQuote //匹配具有语法功能的'`' |
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else if (c == '/' && !inCommits && !inCommit && !inRegex && !inSingleQuote && !inDoubleQuote && !inOtherQuote) { //匹配注释或正则起点 |
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c = queue[pos++] |
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when (c) { |
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'/' -> commit = true //匹配单行注释起点 |
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'*' -> commits = true //匹配多行注释起点 |
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else -> regex = true //匹配正则起点 |
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'/' -> inCommit = true //匹配单行注释起点 |
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'*' -> inCommits = true //匹配多行注释起点 |
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else -> inRegex = true //匹配正则起点 |
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} |
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} else if (commits && c == '*') { //匹配多行注释终点 |
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c = queue[pos++] |
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if (c == '/') commits = false |
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} else if (regex && c == '/') { //正则的终点或[]平衡 |
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} else if (inCommits) { //匹配多行注释终点 |
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pos = queue.indexOf("*/", pos) //跳过多行注释 |
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if(pos == -1)break //没有终点，语法出错，跳出 |
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continue |
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} else if (inRegex) { //正则的终点或[]平衡 |
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when (c) { |
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'/' -> regex = false//匹配正则终点 |
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'/' -> inRegex = false//匹配正则终点 |
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//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。 |
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// 注：正则里[(]、[)]、[{]、[}]都是合法的，所以只有[]必须平衡。 |
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@ -142,21 +173,20 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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']' -> bracketsDepth-- //闭合一层嵌套[] |
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} |
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} else if (c == '\n') commit = false |
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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 |
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} else if (c == '\n') inCommit = false //单行注释终点 |
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val fn = f(c) ?: continue |
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if (fn) depth++ else depth-- //嵌套或者闭合 |
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if (inCommits || inCommit || inRegex || inSingleQuote || inDoubleQuote || inOtherQuote) continue //语法单元未匹配结束，直接进入下个循环 |
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if( c == endChar && queue.regionMatches(pos, end, 0, end.length)) { |
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this.pos = pos |
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return queue.substring(startPos + start.length, pos - end.length) //匹配到终点,返回结果 |
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} |
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} else pos++ |
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} while (depth > 0 || bracketsDepth > 0) //拉出全部符合js语法的字段 |
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} while (bracketsDepth > 0) //拉出全部符合js语法的字段 |
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return "" |
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return if (depth > 0 || bracketsDepth > 0) false else { |
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this.pos = pos //同步位置 |
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true |
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} |
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} |
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/** |
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@ -392,7 +422,7 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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val posPre = pos //记录consumeTo匹配位置 |
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if (chompCodeBalanced('{', '}')) { |
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val frv = fr(queue.substring(posPre + startStep, pos - endStep)) |
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if (frv != null) { |
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if (!frv.isNullOrEmpty()) { |
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st.append(queue.substring(startX, posPre) + frv) //压入内嵌规则前的内容，及内嵌规则解析得到的字符串 |
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startX = pos //记录下次规则起点 |
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continue //获取内容成功，继续选择下个内嵌规则 |
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@ -412,11 +442,16 @@ class RuleAnalyzer(data: String, code: Boolean = false) { |
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*/ |
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private const val ESC = '\\' |
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/** |
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* "<js>" |
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*/ |
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private const val JSSTART = "<js>" |
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/** |
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* 阅读共有分隔字串起始部分 |
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* "##","@@","{{","{[","<js>", "@js:" |
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*/ |
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val splitList = arrayOf("##", "@@", "{{", "{[", "<js>", "@js:") |
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val splitList2 = arrayOf("##", "@@", "{{", "{[") |
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/** |
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* 发现‘名称-链接’分隔字串 |
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bushixuanqi
3 years ago