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@ -1,5 +1,6 @@ |
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package io.legado.app.utils |
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import io.legado.app.model.analyzeRule.AnalyzeUrl |
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import java.net.URL |
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import java.util.regex.Pattern |
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@ -26,43 +27,66 @@ object HtmlFormatter { |
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.replace("[\\n\\s]+\$|^[\\n\\s]+".toRegex(), "") |
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.replace("\\s*\\n+\\s*".toRegex(), "\n") |
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val sb = StringBuffer() |
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var str = "" |
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var endPos = 0 |
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for (pattern in listOf( |
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"<img[^>]*data-[^=]*= *\"([^\"])\"[^>]*>", |
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"<img[^>]*src *= *\"([^\"{]+(?:\\{(?:[^{}]|\\{[^{}]*\\})*\\})?)\"[^>]*>" |
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)) { |
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var hasMatch = true //普通图片标签是否还未处理过 |
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var hasMatchX = false //是否存在带参数或带数据属性的图片标签 |
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var pos = -1 |
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val list = listOf("<img[^>]*src *= *\"([^\"{]+\\{(?:[^{}]|\\{[^}]+\\})+\\})\"[^>]*>","<img[^>]*data-[^=]*= *\"([^\"]+)\"[^>]*>","<img[^>]*src *= *\"([^\"]+)\"[^>]*>") //优先匹配用户处理过所以带参数的图片标签,其次匹配带数据属性的图片标签 |
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while(++pos<3){ |
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if(pos == 2) { |
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if(hasMatchX)break //普通图片标签只在不存在存在带参数或带数据属性的图片标签的时候匹配 |
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else hasMatch = false //匹配带参数或带数据属性的图片标签同时也会格式化普通图片标签 |
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} |
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var appendPos = 0 |
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val matcher = Pattern.compile(pattern, Pattern.CASE_INSENSITIVE).matcher(keepImgHtml) |
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while (matcher.find()) { |
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val url = matcher.group(1)!! |
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val urlBefore = url.substringBefore(',') |
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val strBefore = keepImgHtml.substring(appendPos, matcher.start()) |
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sb.append( |
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if (strBefore.isBlank()) strBefore else strBefore.replace( |
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"\n", |
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"\n " |
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) //缩进图片之间的非空白段落 |
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) |
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val matcher = |
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Pattern.compile(list[pos], Pattern.CASE_INSENSITIVE).matcher(keepImgHtml) |
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val sb = StringBuffer() |
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if (matcher.find()) { |
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do { |
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var strBefore = keepImgHtml.substring(appendPos, matcher.start()) |
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if (hasMatch) { //格式化不带参数和数据属性的普通图片标签 |
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var appendPos0 = 0 |
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val matcher0 = Pattern.compile("<img[^>]*src *= *\"([^\"]+)\"[^>]*>", Pattern.CASE_INSENSITIVE).matcher(strBefore) //格式化普通图片标签 |
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while (matcher0.find()) { |
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val strBefore0 = strBefore.substring(appendPos0, matcher.start()) |
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sb.append( if (strBefore0.isBlank()) strBefore0 else strBefore0.replace("\n","\n ")) |
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sb.append("<img src=\"${NetworkUtils.getAbsoluteURL(redirectUrl,matcher.group(1)!!)}\">") |
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appendPos0 = matcher.end() |
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} |
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strBefore = if (appendPos0 < strBefore.length) strBefore.substring(appendPos0, strBefore.length) else "" |
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} |
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sb.append( |
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"<img src=\"${ |
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NetworkUtils.getAbsoluteURL( |
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redirectUrl, |
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urlBefore |
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) + url.substring(urlBefore.length) |
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}\">" |
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if (strBefore.isBlank()) strBefore else strBefore.replace("\n","\n ") //缩进图片之间的非空白段落 |
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) |
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if (pos == 0) { |
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val url = matcher.group(1)!! |
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val urlMatcher = AnalyzeUrl.paramPattern.matcher(url) |
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val find = urlMatcher.find() |
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sb.append("<img src=\"${ |
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if(find) NetworkUtils.getAbsoluteURL(redirectUrl,url.substring(0,urlMatcher.start())) + ',' + url.substring(urlMatcher.end()) |
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else url |
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}\">") |
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} else sb.append("<img src=\"${NetworkUtils.getAbsoluteURL(redirectUrl,matcher.group(1)!!)}\">") |
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appendPos = matcher.end() |
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} |
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if (appendPos != 0) endPos = appendPos |
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} while (matcher.find()) |
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hasMatch = false //普通图片标签已经处理过 |
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} |
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if (endPos < keepImgHtml.length) { |
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sb.append( |
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keepImgHtml.substring(endPos, keepImgHtml.length).replace("\n", "\n ") |
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) //缩进图片之后的非空白段落 |
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if (appendPos != 0) { |
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hasMatchX = true //存在带参数或带数据属性的图片标签 |
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endPos = appendPos //存在匹配,更新位置 |
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str = sb.toString() //存在匹配,更新字符串 |
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} |
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return sb.toString() |
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} |
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return if (endPos < keepImgHtml.length) { |
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str + keepImgHtml.substring( endPos, keepImgHtml.length ).replace("\n","\n ") //缩进图片之后的非空白段落 |
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}else str |
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} |
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} |
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