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优化补全
* 补全对由||、&&、%%分割的规则生效 * 补全对尾部存在##替换规则生效
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CHANGELOG.md
13
CHANGELOG.md
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@ -1,11 +1,4 @@
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**2022/02/27**
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**2022/03/03**
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* APP内编写规则时,对由XPath|JSOUP|CSS组成的规则进行简单的默认补全。
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* 对需求文本的获取text
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* 对需求文本的img元素(以img结尾)的获取alt属性
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* 对需求链接的获取href属性
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* 对需求图片的获取src属性
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* 详情页预处理存在js/json/正则的不对详情页规则进行补全
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* 多条规则只补全最后一条规则
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* 书源编辑页点击调试/保存时补全开始生效
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* 注意:不改变编辑框内容显示,保存后再次编辑可查看补全后的规则,方便调试时快速修改规则
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* 补全对由||、&&、%%分割的规则生效
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* 补全对尾部存在##替换规则生效
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@ -2,69 +2,64 @@ package io.legado.app.help
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object RuleComplete {
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// 需要补全
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private val needComplete =Regex(
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"""(?!=(@|/|^)(attr|text|ownText|textNodes|href|content|html|alt|all|value|src)(\(\))?)(?<seq>\&{2}|%%|\|{2}|$)""")
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// 补全时忽略匹配规则
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private val completeIgnore =
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Regex(
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"""\\n|##|@js:|<js>|@Json:|\$\.|(attr|text|ownText|textNodes|href|content|html|alt|all|value|src)(\(\)|##.*)?\s*$""",
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RegexOption.MULTILINE
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)
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// 不能补全 存在js/json/{{xx}}的复杂情况
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private val notComplete = Regex("""^:|^##|\{\{|@js:|<js>|@Json:|\$\.""")
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// 补全时忽略匹配的规则(判断列表项和详情页预处理规则生效)
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private val completeIgnorePreRule = Regex("""^:|##|@js:|<js>|@Json:|\$\.""")
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// 匹配从图片获取信息的规则
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private val imgComplete = Regex(
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"""(?<=(tag\.|[+/@~>| &]))img[@/]text(\(\))?$|^img[@/]text(\(\))?$""",
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RegexOption.IGNORE_CASE
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)
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// 修正从图片获取信息
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private val fixImgInfo = Regex("""(?<=(^|tag\.|[\+/@>~| &]))img(?<at>\[@.+\]|\.[-\w]+)?[@/]+text(\(\))?(?<seq>\&{2}|%%|\|{2}|$)""")
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private val isXpath= Regex("^//|^@Xpath:")
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/**
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* 对简单规则进行补全,简化部分书源规则的编写
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* 该方法仅对对JSOUP/XPath/CSS规则生效
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* 对JSOUP/XPath/CSS规则生效
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* @author 希弥
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* @return 补全后的规则 或 原规则
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* @param rule 需要补全的规则
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* @param preRule 预处理规则
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* 用于分析详情页预处理规则
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* @param rules 需要补全的规则
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* @param preRule 预处理规则或列表规则
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* @param type 补全结果的类型,可选的值有:
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* 1 文字(默认)
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* 2 链接
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* 3 图片
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*/
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fun autoComplete(
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rule: String?,
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rules: String?,
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preRule: String? = null,
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type: Int = 1
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): String? {
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if (rule.isNullOrEmpty() || rule.contains(completeIgnore)
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|| preRule?.contains(completeIgnorePreRule) == true
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) {
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return rule
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if (rules.isNullOrEmpty()||rules.contains(notComplete) || preRule?.contains(notComplete) ?: false){
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return rules
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}
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// 分离正则
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val regexSplit=rules.split("##".toRegex(),2)
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val cleanedRule=regexSplit[0]
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val regexRule=if (regexSplit.size>1) "##"+regexSplit[1] else ""
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val textRule: String
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val linkRule: String
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val imgRule: String
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val imgText: String
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if (rule.contains(Regex("/[^@]+$"))) {
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textRule = "/text()"
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linkRule = "/@href"
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imgRule = "/@src"
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imgText = "img/@alt"
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if (cleanedRule.contains(isXpath)){
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textRule = "//text()\${seq}"
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linkRule = "//@href\${seq}"
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imgRule = "//@src\${seq}"
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imgText = "img\${at}/@alt\${seq}"
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} else {
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textRule = "@text"
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linkRule = "@href"
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imgRule = "@src"
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imgText = "img@alt"
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textRule = "@text\${seq}"
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linkRule = "@href\${seq}"
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imgRule = "@src\${seq}"
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imgText = "img\${at}@alt\${seq}"
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}
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var ret: String = rule
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when (type) {
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1 -> ret = rule.replace(Regex("$"), textRule).replace(imgComplete, imgText)
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2 -> ret = rule.replace(Regex("$"), linkRule)
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3 -> ret = rule.replace(Regex("$"), imgRule)
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return when (type) {
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1 -> needComplete.replace(cleanedRule, textRule).replace(fixImgInfo, imgText) + regexRule
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2 -> needComplete.replace(cleanedRule, linkRule) + regexRule
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3 -> needComplete.replace(cleanedRule, imgRule) + regexRule
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else -> rules
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}
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return ret
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}
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